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750 files changed, 7518 insertions, 4139 deletions
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst index 25f3b2532198..e05e581af5cf 100644 --- a/Documentation/admin-guide/hw-vuln/spectre.rst +++ b/Documentation/admin-guide/hw-vuln/spectre.rst @@ -41,10 +41,11 @@ Related CVEs The following CVE entries describe Spectre variants: - ============= ======================= ================= + ============= ======================= ========================== CVE-2017-5753 Bounds check bypass Spectre variant 1 CVE-2017-5715 Branch target injection Spectre variant 2 - ============= ======================= ================= + CVE-2019-1125 Spectre v1 swapgs Spectre variant 1 (swapgs) + ============= ======================= ========================== Problem ------- @@ -78,6 +79,13 @@ There are some extensions of Spectre variant 1 attacks for reading data over the network, see :ref:`[12] <spec_ref12>`. However such attacks are difficult, low bandwidth, fragile, and are considered low risk. +Note that, despite "Bounds Check Bypass" name, Spectre variant 1 is not +only about user-controlled array bounds checks. It can affect any +conditional checks. The kernel entry code interrupt, exception, and NMI +handlers all have conditional swapgs checks. Those may be problematic +in the context of Spectre v1, as kernel code can speculatively run with +a user GS. + Spectre variant 2 (Branch Target Injection) ------------------------------------------- @@ -132,6 +140,9 @@ not cover all possible attack vectors. 1. A user process attacking the kernel ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Spectre variant 1 +~~~~~~~~~~~~~~~~~ + The attacker passes a parameter to the kernel via a register or via a known address in memory during a syscall. Such parameter may be used later by the kernel as an index to an array or to derive @@ -144,7 +155,40 @@ not cover all possible attack vectors. potentially be influenced for Spectre attacks, new "nospec" accessor macros are used to prevent speculative loading of data. - Spectre variant 2 attacker can :ref:`poison <poison_btb>` the branch +Spectre variant 1 (swapgs) +~~~~~~~~~~~~~~~~~~~~~~~~~~ + + An attacker can train the branch predictor to speculatively skip the + swapgs path for an interrupt or exception. If they initialize + the GS register to a user-space value, if the swapgs is speculatively + skipped, subsequent GS-related percpu accesses in the speculation + window will be done with the attacker-controlled GS value. This + could cause privileged memory to be accessed and leaked. + + For example: + + :: + + if (coming from user space) + swapgs + mov %gs:<percpu_offset>, %reg + mov (%reg), %reg1 + + When coming from user space, the CPU can speculatively skip the + swapgs, and then do a speculative percpu load using the user GS + value. So the user can speculatively force a read of any kernel + value. If a gadget exists which uses the percpu value as an address + in another load/store, then the contents of the kernel value may + become visible via an L1 side channel attack. + + A similar attack exists when coming from kernel space. The CPU can + speculatively do the swapgs, causing the user GS to get used for the + rest of the speculative window. + +Spectre variant 2 +~~~~~~~~~~~~~~~~~ + + A spectre variant 2 attacker can :ref:`poison <poison_btb>` the branch target buffer (BTB) before issuing syscall to launch an attack. After entering the kernel, the kernel could use the poisoned branch target buffer on indirect jump and jump to gadget code in speculative @@ -280,11 +324,18 @@ The sysfs file showing Spectre variant 1 mitigation status is: The possible values in this file are: - ======================================= ================================= - 'Mitigation: __user pointer sanitation' Protection in kernel on a case by - case base with explicit pointer - sanitation. - ======================================= ================================= + .. list-table:: + + * - 'Not affected' + - The processor is not vulnerable. + * - 'Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers' + - The swapgs protections are disabled; otherwise it has + protection in the kernel on a case by case base with explicit + pointer sanitation and usercopy LFENCE barriers. + * - 'Mitigation: usercopy/swapgs barriers and __user pointer sanitization' + - Protection in the kernel on a case by case base with explicit + pointer sanitation, usercopy LFENCE barriers, and swapgs LFENCE + barriers. However, the protections are put in place on a case by case basis, and there is no guarantee that all possible attack vectors for Spectre @@ -366,12 +417,27 @@ Turning on mitigation for Spectre variant 1 and Spectre variant 2 1. Kernel mitigation ^^^^^^^^^^^^^^^^^^^^ +Spectre variant 1 +~~~~~~~~~~~~~~~~~ + For the Spectre variant 1, vulnerable kernel code (as determined by code audit or scanning tools) is annotated on a case by case basis to use nospec accessor macros for bounds clipping :ref:`[2] <spec_ref2>` to avoid any usable disclosure gadgets. However, it may not cover all attack vectors for Spectre variant 1. + Copy-from-user code has an LFENCE barrier to prevent the access_ok() + check from being mis-speculated. The barrier is done by the + barrier_nospec() macro. + + For the swapgs variant of Spectre variant 1, LFENCE barriers are + added to interrupt, exception and NMI entry where needed. These + barriers are done by the FENCE_SWAPGS_KERNEL_ENTRY and + FENCE_SWAPGS_USER_ENTRY macros. + +Spectre variant 2 +~~~~~~~~~~~~~~~~~ + For Spectre variant 2 mitigation, the compiler turns indirect calls or jumps in the kernel into equivalent return trampolines (retpolines) :ref:`[3] <spec_ref3>` :ref:`[9] <spec_ref9>` to go to the target @@ -473,6 +539,12 @@ Mitigation control on the kernel command line Spectre variant 2 mitigation can be disabled or force enabled at the kernel command line. + nospectre_v1 + + [X86,PPC] Disable mitigations for Spectre Variant 1 + (bounds check bypass). With this option data leaks are + possible in the system. + nospectre_v2 [X86] Disable all mitigations for the Spectre variant 2 diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 7ccd158b3894..47d981a86e2f 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2604,7 +2604,7 @@ expose users to several CPU vulnerabilities. Equivalent to: nopti [X86,PPC] kpti=0 [ARM64] - nospectre_v1 [PPC] + nospectre_v1 [X86,PPC] nobp=0 [S390] nospectre_v2 [X86,PPC,S390,ARM64] spectre_v2_user=off [X86] @@ -2965,9 +2965,9 @@ nosmt=force: Force disable SMT, cannot be undone via the sysfs control file. - nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds - check bypass). With this option data leaks are possible - in the system. + nospectre_v1 [X86,PPC] Disable mitigations for Spectre Variant 1 + (bounds check bypass). With this option data leaks are + possible in the system. nospectre_v2 [X86,PPC_FSL_BOOK3E,ARM64] Disable all mitigations for the Spectre variant 2 (indirect branch prediction) diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml index 876c0623f322..a02e2fe2bfb2 100644 --- a/Documentation/devicetree/bindings/spi/spi-controller.yaml +++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml @@ -73,7 +73,6 @@ patternProperties: Compatible of the SPI device. reg: - maxItems: 1 minimum: 0 maximum: 256 description: diff --git a/Documentation/filesystems/cifs/TODO b/Documentation/filesystems/cifs/TODO index 9267f3fb131f..edbbccda1942 100644 --- a/Documentation/filesystems/cifs/TODO +++ b/Documentation/filesystems/cifs/TODO @@ -13,7 +13,8 @@ a) SMB3 (and SMB3.1.1) missing optional features: - T10 copy offload ie "ODX" (copy chunk, and "Duplicate Extents" ioctl currently the only two server side copy mechanisms supported) -b) improved sparse file support +b) improved sparse file support (fiemap and SEEK_HOLE are implemented +but additional features would be supportable by the protocol). c) Directory entry caching relies on a 1 second timer, rather than using Directory Leases, currently only the root file handle is cached longer @@ -21,9 +22,13 @@ using Directory Leases, currently only the root file handle is cached longer d) quota support (needs minor kernel change since quota calls to make it to network filesystems or deviceless filesystems) -e) Additional use cases where we use "compoounding" (e.g. open/query/close -and open/setinfo/close) to reduce the number of roundtrips, and also -open to reduce redundant opens (using deferred close and reference counts more). +e) Additional use cases can be optimized to use "compounding" +(e.g. open/query/close and open/setinfo/close) to reduce the number +of roundtrips to the server and improve performance. Various cases +(stat, statfs, create, unlink, mkdir) already have been improved by +using compounding but more can be done. In addition we could significantly +reduce redundant opens by using deferred close (with handle caching leases) +and better using reference counters on file handles. f) Finish inotify support so kde and gnome file list windows will autorefresh (partially complete by Asser). Needs minor kernel @@ -43,18 +48,17 @@ mount or a per server basis to client UIDs or nobody if no mapping exists. Also better integration with winbind for resolving SID owners k) Add tools to take advantage of more smb3 specific ioctls and features -(passthrough ioctl/fsctl for sending various SMB3 fsctls to the server -is in progress, and a passthrough query_info call is already implemented -in cifs.ko to allow smb3 info levels queries to be sent from userspace) +(passthrough ioctl/fsctl is now implemented in cifs.ko to allow sending +various SMB3 fsctls and query info and set info calls directly from user space) +Add tools to make setting various non-POSIX metadata attributes easier +from tools (e.g. extending what was done in smb-info tool). l) encrypted file support m) improved stats gathering tools (perhaps integration with nfsometer?) to extend and make easier to use what is currently in /proc/fs/cifs/Stats -n) allow setting more NTFS/SMB3 file attributes remotely (currently limited to compressed -file attribute via chflags) and improve user space tools for managing and -viewing them. +n) Add support for claims based ACLs ("DAC") o) mount helper GUI (to simplify the various configuration options on mount) @@ -82,6 +86,8 @@ so far). w) Add support for additional strong encryption types, and additional spnego authentication mechanisms (see MS-SMB2) +x) Finish support for SMB3.1.1 compression + KNOWN BUGS ==================================== See http://bugzilla.samba.org - search on product "CifsVFS" for diff --git a/Documentation/networking/tls-offload.rst b/Documentation/networking/tls-offload.rst index 048e5ca44824..b70b70dc4524 100644 --- a/Documentation/networking/tls-offload.rst +++ b/Documentation/networking/tls-offload.rst @@ -424,13 +424,24 @@ Statistics Following minimum set of TLS-related statistics should be reported by the driver: - * ``rx_tls_decrypted`` - number of successfully decrypted TLS segments - * ``tx_tls_encrypted`` - number of in-order TLS segments passed to device - for encryption + * ``rx_tls_decrypted_packets`` - number of successfully decrypted RX packets + which were part of a TLS stream. + * ``rx_tls_decrypted_bytes`` - number of TLS payload bytes in RX packets + which were successfully decrypted. + * ``tx_tls_encrypted_packets`` - number of TX packets passed to the device + for encryption of their TLS payload. + * ``tx_tls_encrypted_bytes`` - number of TLS payload bytes in TX packets + passed to the device for encryption. + * ``tx_tls_ctx`` - number of TLS TX HW offload contexts added to device for + encryption. * ``tx_tls_ooo`` - number of TX packets which were part of a TLS stream - but did not arrive in the expected order - * ``tx_tls_drop_no_sync_data`` - number of TX packets dropped because - they arrived out of order and associated record could not be found + but did not arrive in the expected order. + * ``tx_tls_drop_no_sync_data`` - number of TX packets which were part of + a TLS stream dropped, because they arrived out of order and associated + record could not be found. + * ``tx_tls_drop_bypass_req`` - number of TX packets which were part of a TLS + stream dropped, because they contain both data that has been encrypted by + software and data that expects hardware crypto offload. Notable corner cases, exceptions and additional requirements ============================================================ diff --git a/Documentation/vm/hmm.rst b/Documentation/vm/hmm.rst index 7d90964abbb0..710ce1c701bf 100644 --- a/Documentation/vm/hmm.rst +++ b/Documentation/vm/hmm.rst @@ -237,7 +237,7 @@ The usage pattern is:: ret = hmm_range_snapshot(&range); if (ret) { up_read(&mm->mmap_sem); - if (ret == -EAGAIN) { + if (ret == -EBUSY) { /* * No need to check hmm_range_wait_until_valid() return value * on retry we will get proper error with hmm_range_snapshot() diff --git a/MAINTAINERS b/MAINTAINERS index 6426db5198f0..e81e60bd7c26 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2155,10 +2155,12 @@ F: Documentation/devicetree/bindings/arm/realtek.txt ARM/RENESAS ARM64 ARCHITECTURE M: Simon Horman <horms@verge.net.au> +M: Geert Uytterhoeven <geert+renesas@glider.be> M: Magnus Damm <magnus.damm@gmail.com> L: linux-renesas-soc@vger.kernel.org Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next +T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next S: Supported F: arch/arm64/boot/dts/renesas/ F: Documentation/devicetree/bindings/arm/renesas.yaml @@ -2269,10 +2271,12 @@ F: drivers/media/platform/s5p-mfc/ ARM/SHMOBILE ARM ARCHITECTURE M: Simon Horman <horms@verge.net.au> +M: Geert Uytterhoeven <geert+renesas@glider.be> M: Magnus Damm <magnus.damm@gmail.com> L: linux-renesas-soc@vger.kernel.org Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next +T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next S: Supported F: arch/arm/boot/dts/emev2* F: arch/arm/boot/dts/gr-peach* @@ -6322,7 +6326,8 @@ F: Documentation/devicetree/bindings/counter/ftm-quaddec.txt F: drivers/counter/ftm-quaddec.c FLOPPY DRIVER -S: Orphan +M: Denis Efremov <efremov@linux.com> +S: Odd Fixes L: linux-block@vger.kernel.org F: drivers/block/floppy.c @@ -6339,7 +6344,7 @@ FPGA MANAGER FRAMEWORK M: Moritz Fischer <mdf@kernel.org> L: linux-fpga@vger.kernel.org S: Maintained -T: git git://git.kernel.org/pub/scm/linux/kernel/git/atull/linux-fpga.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga.git Q: http://patchwork.kernel.org/project/linux-fpga/list/ F: Documentation/fpga/ F: Documentation/driver-api/fpga/ @@ -6372,7 +6377,7 @@ FRAMEBUFFER LAYER M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> L: dri-devel@lists.freedesktop.org L: linux-fbdev@vger.kernel.org -T: git git://github.com/bzolnier/linux.git +T: git git://anongit.freedesktop.org/drm/drm-misc Q: http://patchwork.kernel.org/project/linux-fbdev/list/ S: Maintained F: Documentation/fb/ @@ -6822,13 +6827,6 @@ F: Documentation/filesystems/gfs2*.txt F: fs/gfs2/ F: include/uapi/linux/gfs2_ondisk.h -GIGASET ISDN DRIVERS -M: Paul Bolle <pebolle@tiscali.nl> -L: gigaset307x-common@lists.sourceforge.net -W: http://gigaset307x.sourceforge.net/ -S: Odd Fixes -F: drivers/staging/isdn/gigaset/ - GNSS SUBSYSTEM M: Johan Hovold <johan@kernel.org> T: git git://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss.git @@ -8044,6 +8042,7 @@ S: Maintained F: drivers/video/fbdev/i810/ INTEL ASoC DRIVERS +M: Cezary Rojewski <cezary.rojewski@intel.com> M: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> M: Liam Girdwood <liam.r.girdwood@linux.intel.com> M: Jie Yang <yang.jie@linux.intel.com> @@ -11144,6 +11143,7 @@ L: netdev@vger.kernel.org S: Maintained W: https://fedorahosted.org/dropwatch/ F: net/core/drop_monitor.c +F: include/uapi/linux/net_dropmon.h NETWORKING DRIVERS M: "David S. Miller" <davem@davemloft.net> @@ -11282,6 +11282,7 @@ M: Aviad Yehezkel <aviadye@mellanox.com> M: Dave Watson <davejwatson@fb.com> M: John Fastabend <john.fastabend@gmail.com> M: Daniel Borkmann <daniel@iogearbox.net> +M: Jakub Kicinski <jakub.kicinski@netronome.com> L: netdev@vger.kernel.org S: Maintained F: net/tls/* @@ -14016,6 +14017,12 @@ F: drivers/media/common/saa7146/ F: drivers/media/pci/saa7146/ F: include/media/drv-intf/saa7146* +SAFESETID SECURITY MODULE +M: Micah Morton <mortonm@chromium.org> +S: Supported +F: security/safesetid/ +F: Documentation/admin-guide/LSM/SafeSetID.rst + SAMSUNG AUDIO (ASoC) DRIVERS M: Krzysztof Kozlowski <krzk@kernel.org> M: Sangbeom Kim <sbkim73@samsung.com> @@ -16078,7 +16085,7 @@ S: Maintained F: drivers/net/ethernet/ti/netcp* TI PCM3060 ASoC CODEC DRIVER -M: Kirill Marinushkin <kmarinushkin@birdec.tech> +M: Kirill Marinushkin <kmarinushkin@birdec.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) S: Maintained F: Documentation/devicetree/bindings/sound/pcm3060.txt @@ -17554,7 +17561,6 @@ M: Jakub Kicinski <jakub.kicinski@netronome.com> M: Jesper Dangaard Brouer <hawk@kernel.org> M: John Fastabend <john.fastabend@gmail.com> L: netdev@vger.kernel.org -L: xdp-newbies@vger.kernel.org L: bpf@vger.kernel.org S: Supported F: net/core/xdp.c @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 3 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc3 NAME = Bobtail Squid # *DOCUMENTATION* @@ -419,6 +419,7 @@ NM = $(CROSS_COMPILE)nm STRIP = $(CROSS_COMPILE)strip OBJCOPY = $(CROSS_COMPILE)objcopy OBJDUMP = $(CROSS_COMPILE)objdump +OBJSIZE = $(CROSS_COMPILE)size PAHOLE = pahole LEX = flex YACC = bison @@ -472,11 +473,12 @@ KBUILD_CFLAGS_MODULE := -DMODULE KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds KBUILD_LDFLAGS := GCC_PLUGINS_CFLAGS := +CLANG_FLAGS := export ARCH SRCARCH CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC -export CPP AR NM STRIP OBJCOPY OBJDUMP PAHOLE KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS -export MAKE LEX YACC AWK INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE -export HOSTCXX KBUILD_HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS +export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE PAHOLE LEX YACC AWK INSTALLKERNEL +export PERL PYTHON PYTHON2 PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX +export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE @@ -519,7 +521,7 @@ endif ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) ifneq ($(CROSS_COMPILE),) -CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE:%-=%)) +CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit)) CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR) GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..) @@ -844,7 +846,7 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) KBUILD_CFLAGS += -Wdeclaration-after-statement # Warn about unmarked fall-throughs in switch statement. -KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough=3,) +KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough,) # Variable Length Arrays (VLAs) should not be used anywhere in the kernel KBUILD_CFLAGS += -Wvla @@ -1001,6 +1003,8 @@ endif PHONY += prepare0 +export MODORDER := $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)modules.order + ifeq ($(KBUILD_EXTMOD),) core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/ @@ -1770,13 +1774,22 @@ build-dir = $(patsubst %/,%,$(dir $(build-target))) $(Q)$(MAKE) $(build)=$(build-dir) $(build-target) %.symtypes: prepare FORCE $(Q)$(MAKE) $(build)=$(build-dir) $(build-target) +ifeq ($(KBUILD_EXTMOD),) +# For the single build of an in-tree module, use a temporary file to avoid +# the situation of modules_install installing an invalid modules.order. +%.ko: MODORDER := .modules.tmp +endif +%.ko: prepare FORCE + $(Q)$(MAKE) $(build)=$(build-dir) $(build-target:.ko=.mod) + $(Q)echo $(build-target) > $(MODORDER) + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost # Modules PHONY += / /: ./ %/: prepare FORCE - $(Q)$(MAKE) KBUILD_MODULES=1 $(build)=$(build-dir) + $(Q)$(MAKE) KBUILD_MODULES=1 $(build)=$(build-dir) need-modorder=1 # FIXME Should go into a make.lib or something # =========================================================================== diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 7e0486ad1318..dba9355e2484 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -18,7 +18,9 @@ extern const struct dma_map_ops arm_coherent_dma_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { - return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : NULL; + if (IS_ENABLED(CONFIG_MMU) && !IS_ENABLED(CONFIG_ARM_LPAE)) + return &arm_dma_ops; + return NULL; } #ifdef __arch_page_to_dma diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index af8b8e15f589..b0c195e3a06d 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -544,6 +544,7 @@ static int arch_build_bp_info(struct perf_event *bp, if ((hw->ctrl.type != ARM_BREAKPOINT_EXECUTE) && max_watchpoint_len >= 8) break; + /* Else, fall through */ default: return -EINVAL; } @@ -608,10 +609,12 @@ int hw_breakpoint_arch_parse(struct perf_event *bp, /* Allow halfword watchpoints and breakpoints. */ if (hw->ctrl.len == ARM_BREAKPOINT_LEN_2) break; + /* Else, fall through */ case 3: /* Allow single byte watchpoint. */ if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1) break; + /* Else, fall through */ default: ret = -EINVAL; goto out; @@ -861,6 +864,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, break; case ARM_ENTRY_ASYNC_WATCHPOINT: WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n"); + /* Fall through */ case ARM_ENTRY_SYNC_WATCHPOINT: watchpoint_handler(addr, fsr, regs); break; @@ -909,6 +913,7 @@ static bool core_has_os_save_restore(void) ARM_DBG_READ(c1, c1, 4, oslsr); if (oslsr & ARM_OSLSR_OSLM0) return true; + /* Else, fall through */ default: return false; } diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 09f6fdd41974..ab2568996ddb 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -596,6 +596,7 @@ static int do_signal(struct pt_regs *regs, int syscall) switch (retval) { case -ERESTART_RESTARTBLOCK: restart -= 2; + /* Fall through */ case -ERESTARTNOHAND: case -ERESTARTSYS: case -ERESTARTNOINTR: diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c index d2806bcff8bb..07745ee022a1 100644 --- a/arch/arm/kvm/coproc.c +++ b/arch/arm/kvm/coproc.c @@ -651,13 +651,22 @@ int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run) } static void reset_coproc_regs(struct kvm_vcpu *vcpu, - const struct coproc_reg *table, size_t num) + const struct coproc_reg *table, size_t num, + unsigned long *bmap) { unsigned long i; for (i = 0; i < num; i++) - if (table[i].reset) + if (table[i].reset) { + int reg = table[i].reg; + table[i].reset(vcpu, &table[i]); + if (reg > 0 && reg < NR_CP15_REGS) { + set_bit(reg, bmap); + if (table[i].is_64bit) + set_bit(reg + 1, bmap); + } + } } static struct coproc_params decode_32bit_hsr(struct kvm_vcpu *vcpu) @@ -1432,17 +1441,15 @@ void kvm_reset_coprocs(struct kvm_vcpu *vcpu) { size_t num; const struct coproc_reg *table; - - /* Catch someone adding a register without putting in reset entry. */ - memset(vcpu->arch.ctxt.cp15, 0x42, sizeof(vcpu->arch.ctxt.cp15)); + DECLARE_BITMAP(bmap, NR_CP15_REGS) = { 0, }; /* Generic chip reset first (so target could override). */ - reset_coproc_regs(vcpu, cp15_regs, ARRAY_SIZE(cp15_regs)); + reset_coproc_regs(vcpu, cp15_regs, ARRAY_SIZE(cp15_regs), bmap); table = get_target_table(vcpu->arch.target, &num); - reset_coproc_regs(vcpu, table, num); + reset_coproc_regs(vcpu, table, num, bmap); for (num = 1; num < NR_CP15_REGS; num++) - WARN(vcpu_cp15(vcpu, num) == 0x42424242, + WARN(!test_bit(num, bmap), "Didn't reset vcpu_cp15(vcpu, %zi)", num); } diff --git a/arch/arm/mach-ep93xx/crunch.c b/arch/arm/mach-ep93xx/crunch.c index 1c9a4be8b503..1c05c5bf7e5c 100644 --- a/arch/arm/mach-ep93xx/crunch.c +++ b/arch/arm/mach-ep93xx/crunch.c @@ -49,6 +49,7 @@ static int crunch_do(struct notifier_block *self, unsigned long cmd, void *t) * FALLTHROUGH: Ensure we don't try to overwrite our newly * initialised state information on the first fault. */ + /* Fall through */ case THREAD_NOTIFY_EXIT: crunch_task_release(thread); diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c index 5a67a71f80cc..76a65df42d10 100644 --- a/arch/arm/mach-tegra/reset.c +++ b/arch/arm/mach-tegra/reset.c @@ -70,7 +70,7 @@ static void __init tegra_cpu_reset_handler_enable(void) switch (err) { case -ENOSYS: tegra_cpu_reset_handler_set(reset_address); - /* pass-through */ + /* fall through */ case 0: is_enabled = true; break; diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 820b60a50125..c54cd7ed90ba 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -663,6 +663,11 @@ config ARM_LPAE depends on MMU && CPU_32v7 && !CPU_32v6 && !CPU_32v5 && \ !CPU_32v4 && !CPU_32v3 select PHYS_ADDR_T_64BIT + select SWIOTLB + select ARCH_HAS_DMA_COHERENT_TO_PFN + select ARCH_HAS_DMA_MMAP_PGPROT + select ARCH_HAS_SYNC_DMA_FOR_DEVICE + select ARCH_HAS_SYNC_DMA_FOR_CPU help Say Y if you have an ARMv7 processor supporting the LPAE page table format and you would like to access memory beyond the diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index 8cdb78642e93..04b36436cbc0 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -695,7 +695,7 @@ thumb2arm(u16 tinstr) return subset[(L<<1) | ((tinstr & (1<<8)) >> 8)] | (tinstr & 255); /* register_list */ } - /* Else fall through for illegal instruction case */ + /* Else, fall through - for illegal instruction case */ default: return BAD_INSTR; @@ -751,6 +751,8 @@ do_alignment_t32_to_handler(unsigned long *pinstr, struct pt_regs *regs, case 0xe8e0: case 0xe9e0: poffset->un = (tinst2 & 0xff) << 2; + /* Fall through */ + case 0xe940: case 0xe9c0: return do_alignment_ldrdstrd; diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 4789c60a86e3..6774b03aa405 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/device.h> #include <linux/dma-mapping.h> +#include <linux/dma-noncoherent.h> #include <linux/dma-contiguous.h> #include <linux/highmem.h> #include <linux/memblock.h> @@ -1125,6 +1126,19 @@ int arm_dma_supported(struct device *dev, u64 mask) static const struct dma_map_ops *arm_get_dma_map_ops(bool coherent) { + /* + * When CONFIG_ARM_LPAE is set, physical address can extend above + * 32-bits, which then can't be addressed by devices that only support + * 32-bit DMA. + * Use the generic dma-direct / swiotlb ops code in that case, as that + * handles bounce buffering for us. + * + * Note: this checks CONFIG_ARM_LPAE instead of CONFIG_SWIOTLB as the + * latter is also selected by the Xen code, but that code for now relies + * on non-NULL dev_dma_ops. To be cleaned up later. + */ + if (IS_ENABLED(CONFIG_ARM_LPAE)) + return NULL; return coherent ? &arm_coherent_dma_ops : &arm_dma_ops; } @@ -2329,6 +2343,9 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, const struct dma_map_ops *dma_ops; dev->archdata.dma_coherent = coherent; +#ifdef CONFIG_SWIOTLB + dev->dma_coherent = coherent; +#endif /* * Don't override the dma_ops if they have already been set. Ideally @@ -2363,3 +2380,47 @@ void arch_teardown_dma_ops(struct device *dev) /* Let arch_setup_dma_ops() start again from scratch upon re-probe */ set_dma_ops(dev, NULL); } + +#ifdef CONFIG_SWIOTLB +void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr, + size_t size, enum dma_data_direction dir) +{ + __dma_page_cpu_to_dev(phys_to_page(paddr), paddr & (PAGE_SIZE - 1), + size, dir); +} + +void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr, + size_t size, enum dma_data_direction dir) +{ + __dma_page_dev_to_cpu(phys_to_page(paddr), paddr & (PAGE_SIZE - 1), + size, dir); +} + +long arch_dma_coherent_to_pfn(struct device *dev, void *cpu_addr, + dma_addr_t dma_addr) +{ + return dma_to_pfn(dev, dma_addr); +} + +pgprot_t arch_dma_mmap_pgprot(struct device *dev, pgprot_t prot, + unsigned long attrs) +{ + if (!dev_is_dma_coherent(dev)) + return __get_dma_pgprot(attrs, prot); + return prot; +} + +void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, + gfp_t gfp, unsigned long attrs) +{ + return __dma_alloc(dev, size, dma_handle, gfp, + __get_dma_pgprot(attrs, PAGE_KERNEL), false, + attrs, __builtin_return_address(0)); +} + +void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, + dma_addr_t dma_handle, unsigned long attrs) +{ + __arm_dma_free(dev, size, cpu_addr, dma_handle, attrs, false); +} +#endif /* CONFIG_SWIOTLB */ diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 4920a206dce9..16d373d587c4 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -21,6 +21,7 @@ #include <linux/dma-contiguous.h> #include <linux/sizes.h> #include <linux/stop_machine.h> +#include <linux/swiotlb.h> #include <asm/cp15.h> #include <asm/mach-types.h> @@ -463,6 +464,10 @@ static void __init free_highpages(void) */ void __init mem_init(void) { +#ifdef CONFIG_ARM_LPAE + swiotlb_init(1); +#endif + set_max_mapnr(pfn_to_page(max_pfn) - mem_map); /* this will put all unused low memory onto the freelists */ diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 79f43acf9acb..08c99413d02c 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -388,17 +388,15 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) /* * not supported by current hardware on OMAP1 * w |= (0x03 << 7); - * fall through */ + /* fall through */ case OMAP_DMA_DATA_BURST_16: if (dma_omap2plus()) { burst = 0x3; break; } - /* - * OMAP1 don't support burst 16 - * fall through - */ + /* OMAP1 don't support burst 16 */ + /* fall through */ default: BUG(); } @@ -474,10 +472,8 @@ void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode) burst = 0x3; break; } - /* - * OMAP1 don't support burst 16 - * fall through - */ + /* OMAP1 don't support burst 16 */ + /* fall through */ default: printk(KERN_ERR "Invalid DMA burst mode\n"); BUG(); diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index bb1f1dbb34e8..61de992bbea3 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -52,7 +52,7 @@ ifeq ($(CONFIG_GENERIC_COMPAT_VDSO), y) ifeq ($(CONFIG_CC_IS_CLANG), y) $(warning CROSS_COMPILE_COMPAT is clang, the compat vDSO will not be built) - else ifeq ($(CROSS_COMPILE_COMPAT),) + else ifeq ($(strip $(CROSS_COMPILE_COMPAT)),) $(warning CROSS_COMPILE_COMPAT not defined or empty, the compat vDSO will not be built) else ifeq ($(shell which $(CROSS_COMPILE_COMPAT)gcc 2> /dev/null),) $(error $(CROSS_COMPILE_COMPAT)gcc not found, check CROSS_COMPILE_COMPAT) diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h index 79155a8cfe7c..89e4c8b79349 100644 --- a/arch/arm64/include/asm/arch_gicv3.h +++ b/arch/arm64/include/asm/arch_gicv3.h @@ -155,6 +155,12 @@ static inline void gic_pmr_mask_irqs(void) BUILD_BUG_ON(GICD_INT_DEF_PRI < (GIC_PRIO_IRQOFF | GIC_PRIO_PSR_I_SET)); BUILD_BUG_ON(GICD_INT_DEF_PRI >= GIC_PRIO_IRQON); + /* + * Need to make sure IRQON allows IRQs when SCR_EL3.FIQ is cleared + * and non-secure PMR accesses are not subject to the shifts that + * are applied to IRQ priorities + */ + BUILD_BUG_ON((0x80 | (GICD_INT_DEF_PRI >> 1)) >= GIC_PRIO_IRQON); gic_write_pmr(GIC_PRIO_IRQOFF); } diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 407e2bf23676..c96ffa4722d3 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -35,9 +35,10 @@ */ enum ftr_type { - FTR_EXACT, /* Use a predefined safe value */ - FTR_LOWER_SAFE, /* Smaller value is safe */ - FTR_HIGHER_SAFE,/* Bigger value is safe */ + FTR_EXACT, /* Use a predefined safe value */ + FTR_LOWER_SAFE, /* Smaller value is safe */ + FTR_HIGHER_SAFE, /* Bigger value is safe */ + FTR_HIGHER_OR_ZERO_SAFE, /* Bigger value is safe, but 0 is biggest */ }; #define FTR_STRICT true /* SANITY check strict matching required */ diff --git a/arch/arm64/include/asm/daifflags.h b/arch/arm64/include/asm/daifflags.h index 987926ed535e..063c964af705 100644 --- a/arch/arm64/include/asm/daifflags.h +++ b/arch/arm64/include/asm/daifflags.h @@ -13,6 +13,8 @@ #define DAIF_PROCCTX 0 #define DAIF_PROCCTX_NOIRQ PSR_I_BIT #define DAIF_ERRCTX (PSR_I_BIT | PSR_A_BIT) +#define DAIF_MASK (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT) + /* mask/save/unmask/restore all exceptions, including interrupts. */ static inline void local_daif_mask(void) diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h index 8e79ce9c3f5c..76a144702586 100644 --- a/arch/arm64/include/asm/efi.h +++ b/arch/arm64/include/asm/efi.h @@ -105,7 +105,11 @@ static inline unsigned long efi_get_max_initrd_addr(unsigned long dram_base, ((protocol##_t *)instance)->f(instance, ##__VA_ARGS__) #define alloc_screen_info(x...) &screen_info -#define free_screen_info(x...) + +static inline void free_screen_info(efi_system_table_t *sys_table_arg, + struct screen_info *si) +{ +} /* redeclare as 'hidden' so the compiler will generate relative references */ extern struct screen_info screen_info __attribute__((__visibility__("hidden"))); diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index a8b205e5c4a8..ddf9d762ac62 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -316,9 +316,10 @@ #define kvm_arm_exception_class \ ECN(UNKNOWN), ECN(WFx), ECN(CP15_32), ECN(CP15_64), ECN(CP14_MR), \ - ECN(CP14_LS), ECN(FP_ASIMD), ECN(CP10_ID), ECN(CP14_64), ECN(SVC64), \ - ECN(HVC64), ECN(SMC64), ECN(SYS64), ECN(IMP_DEF), ECN(IABT_LOW), \ - ECN(IABT_CUR), ECN(PC_ALIGN), ECN(DABT_LOW), ECN(DABT_CUR), \ + ECN(CP14_LS), ECN(FP_ASIMD), ECN(CP10_ID), ECN(PAC), ECN(CP14_64), \ + ECN(SVC64), ECN(HVC64), ECN(SMC64), ECN(SYS64), ECN(SVE), \ + ECN(IMP_DEF), ECN(IABT_LOW), ECN(IABT_CUR), \ + ECN(PC_ALIGN), ECN(DABT_LOW), ECN(DABT_CUR), \ ECN(SP_ALIGN), ECN(FP_EXC32), ECN(FP_EXC64), ECN(SERROR), \ ECN(BREAKPT_LOW), ECN(BREAKPT_CUR), ECN(SOFTSTP_LOW), \ ECN(SOFTSTP_CUR), ECN(WATCHPT_LOW), ECN(WATCHPT_CUR), \ diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index b7ba75809751..fb04f10a78ab 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -210,7 +210,11 @@ extern u64 vabits_user; #define __tag_reset(addr) untagged_addr(addr) #define __tag_get(addr) (__u8)((u64)(addr) >> 56) #else -#define __tag_set(addr, tag) (addr) +static inline const void *__tag_set(const void *addr, u8 tag) +{ + return addr; +} + #define __tag_reset(addr) (addr) #define __tag_get(addr) 0 #endif @@ -301,8 +305,8 @@ static inline void *phys_to_virt(phys_addr_t x) #define page_to_virt(page) ({ \ unsigned long __addr = \ ((__page_to_voff(page)) | PAGE_OFFSET); \ - unsigned long __addr_tag = \ - __tag_set(__addr, page_kasan_tag(page)); \ + const void *__addr_tag = \ + __tag_set((void *)__addr, page_kasan_tag(page)); \ ((void *)__addr_tag); \ }) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 3f5461f7b560..e09760ece844 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -209,7 +209,7 @@ static inline pmd_t pmd_mkcont(pmd_t pmd) static inline pte_t pte_mkdevmap(pte_t pte) { - return set_pte_bit(pte, __pgprot(PTE_DEVMAP)); + return set_pte_bit(pte, __pgprot(PTE_DEVMAP | PTE_SPECIAL)); } static inline void set_pte(pte_t *ptep, pte_t pte) @@ -396,7 +396,10 @@ static inline int pmd_protnone(pmd_t pmd) #ifdef CONFIG_TRANSPARENT_HUGEPAGE #define pmd_devmap(pmd) pte_devmap(pmd_pte(pmd)) #endif -#define pmd_mkdevmap(pmd) pte_pmd(pte_mkdevmap(pmd_pte(pmd))) +static inline pmd_t pmd_mkdevmap(pmd_t pmd) +{ + return pte_pmd(set_pte_bit(pmd_pte(pmd), __pgprot(PTE_DEVMAP))); +} #define __pmd_to_phys(pmd) __pte_to_phys(pmd_pte(pmd)) #define __phys_to_pmd_val(phys) __phys_to_pte_val(phys) @@ -447,8 +450,8 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, PMD_TYPE_SECT) #if defined(CONFIG_ARM64_64K_PAGES) || CONFIG_PGTABLE_LEVELS < 3 -#define pud_sect(pud) (0) -#define pud_table(pud) (1) +static inline bool pud_sect(pud_t pud) { return false; } +static inline bool pud_table(pud_t pud) { return true; } #else #define pud_sect(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \ PUD_TYPE_SECT) diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index b1dd039023ef..1dcf63a9ac1f 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -30,7 +30,7 @@ * in the the priority mask, it indicates that PSR.I should be set and * interrupt disabling temporarily does not rely on IRQ priorities. */ -#define GIC_PRIO_IRQON 0xc0 +#define GIC_PRIO_IRQON 0xe0 #define GIC_PRIO_IRQOFF (GIC_PRIO_IRQON & ~0x80) #define GIC_PRIO_PSR_I_SET (1 << 4) diff --git a/arch/arm64/include/asm/vdso/compat_gettimeofday.h b/arch/arm64/include/asm/vdso/compat_gettimeofday.h index f4812777f5c5..c50ee1b7d5cd 100644 --- a/arch/arm64/include/asm/vdso/compat_gettimeofday.h +++ b/arch/arm64/include/asm/vdso/compat_gettimeofday.h @@ -16,6 +16,8 @@ #define VDSO_HAS_CLOCK_GETRES 1 +#define VDSO_HAS_32BIT_FALLBACK 1 + static __always_inline int gettimeofday_fallback(struct __kernel_old_timeval *_tv, struct timezone *_tz) @@ -52,6 +54,23 @@ long clock_gettime_fallback(clockid_t _clkid, struct __kernel_timespec *_ts) } static __always_inline +long clock_gettime32_fallback(clockid_t _clkid, struct old_timespec32 *_ts) +{ + register struct old_timespec32 *ts asm("r1") = _ts; + register clockid_t clkid asm("r0") = _clkid; + register long ret asm ("r0"); + register long nr asm("r7") = __NR_compat_clock_gettime; + + asm volatile( + " swi #0\n" + : "=r" (ret) + : "r" (clkid), "r" (ts), "r" (nr) + : "memory"); + + return ret; +} + +static __always_inline int clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts) { register struct __kernel_timespec *ts asm("r1") = _ts; @@ -72,6 +91,27 @@ int clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts) return ret; } +static __always_inline +int clock_getres32_fallback(clockid_t _clkid, struct old_timespec32 *_ts) +{ + register struct old_timespec32 *ts asm("r1") = _ts; + register clockid_t clkid asm("r0") = _clkid; + register long ret asm ("r0"); + register long nr asm("r7") = __NR_compat_clock_getres; + + /* The checks below are required for ABI consistency with arm */ + if ((_clkid >= MAX_CLOCKS) && (_ts == NULL)) + return -EINVAL; + + asm volatile( + " swi #0\n" + : "=r" (ret) + : "r" (clkid), "r" (ts), "r" (nr) + : "memory"); + + return ret; +} + static __always_inline u64 __arch_get_hw_counter(s32 clock_mode) { u64 res; diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index f29f36a65175..d19d14ba9ae4 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -225,8 +225,8 @@ static const struct arm64_ftr_bits ftr_ctr[] = { ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, 31, 1, 1), /* RES1 */ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, CTR_DIC_SHIFT, 1, 1), ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, CTR_IDC_SHIFT, 1, 1), - ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_SAFE, CTR_CWG_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_SAFE, CTR_ERG_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_OR_ZERO_SAFE, CTR_CWG_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_OR_ZERO_SAFE, CTR_ERG_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, CTR_DMINLINE_SHIFT, 4, 1), /* * Linux can handle differing I-cache policies. Userspace JITs will @@ -468,6 +468,10 @@ static s64 arm64_ftr_safe_value(const struct arm64_ftr_bits *ftrp, s64 new, case FTR_LOWER_SAFE: ret = new < cur ? new : cur; break; + case FTR_HIGHER_OR_ZERO_SAFE: + if (!cur || !new) + break; + /* Fallthrough */ case FTR_HIGHER_SAFE: ret = new > cur ? new : cur; break; diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c index f8719bd30850..48222a4760c2 100644 --- a/arch/arm64/kernel/debug-monitors.c +++ b/arch/arm64/kernel/debug-monitors.c @@ -207,16 +207,16 @@ static int call_step_hook(struct pt_regs *regs, unsigned int esr) list = user_mode(regs) ? &user_step_hook : &kernel_step_hook; - rcu_read_lock(); - + /* + * Since single-step exception disables interrupt, this function is + * entirely not preemptible, and we can use rcu list safely here. + */ list_for_each_entry_rcu(hook, list, node) { retval = hook->fn(regs, esr); if (retval == DBG_HOOK_HANDLED) break; } - rcu_read_unlock(); - return retval; } NOKPROBE_SYMBOL(call_step_hook); @@ -305,14 +305,16 @@ static int call_break_hook(struct pt_regs *regs, unsigned int esr) list = user_mode(regs) ? &user_break_hook : &kernel_break_hook; - rcu_read_lock(); + /* + * Since brk exception disables interrupt, this function is + * entirely not preemptible, and we can use rcu list safely here. + */ list_for_each_entry_rcu(hook, list, node) { unsigned int comment = esr & ESR_ELx_BRK64_ISS_COMMENT_MASK; if ((comment & ~hook->mask) == hook->imm) fn = hook->fn; } - rcu_read_unlock(); return fn ? fn(regs, esr) : DBG_HOOK_ERROR; } diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c index dceb84520948..38ee1514cd9c 100644 --- a/arch/arm64/kernel/hw_breakpoint.c +++ b/arch/arm64/kernel/hw_breakpoint.c @@ -536,13 +536,18 @@ int hw_breakpoint_arch_parse(struct perf_event *bp, /* Aligned */ break; case 1: - /* Allow single byte watchpoint. */ - if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1) - break; case 2: /* Allow halfword watchpoints and breakpoints. */ if (hw->ctrl.len == ARM_BREAKPOINT_LEN_2) break; + + /* Fallthrough */ + case 3: + /* Allow single byte watchpoint. */ + if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1) + break; + + /* Fallthrough */ default: return -EINVAL; } diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c index 46e643e30708..03ff15bffbb6 100644 --- a/arch/arm64/kernel/module.c +++ b/arch/arm64/kernel/module.c @@ -314,18 +314,21 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, /* MOVW instruction relocations. */ case R_AARCH64_MOVW_UABS_G0_NC: overflow_check = false; + /* Fall through */ case R_AARCH64_MOVW_UABS_G0: ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 0, AARCH64_INSN_IMM_MOVKZ); break; case R_AARCH64_MOVW_UABS_G1_NC: overflow_check = false; + /* Fall through */ case R_AARCH64_MOVW_UABS_G1: ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 16, AARCH64_INSN_IMM_MOVKZ); break; case R_AARCH64_MOVW_UABS_G2_NC: overflow_check = false; + /* Fall through */ case R_AARCH64_MOVW_UABS_G2: ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 32, AARCH64_INSN_IMM_MOVKZ); @@ -393,6 +396,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, break; case R_AARCH64_ADR_PREL_PG_HI21_NC: overflow_check = false; + /* Fall through */ case R_AARCH64_ADR_PREL_PG_HI21: ovf = reloc_insn_adrp(me, sechdrs, loc, val); if (ovf && ovf != -ERANGE) diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c index bd5dfffca272..c4452827419b 100644 --- a/arch/arm64/kernel/probes/kprobes.c +++ b/arch/arm64/kernel/probes/kprobes.c @@ -21,6 +21,7 @@ #include <asm/ptrace.h> #include <asm/cacheflush.h> #include <asm/debug-monitors.h> +#include <asm/daifflags.h> #include <asm/system_misc.h> #include <asm/insn.h> #include <linux/uaccess.h> @@ -168,33 +169,6 @@ static void __kprobes set_current_kprobe(struct kprobe *p) } /* - * When PSTATE.D is set (masked), then software step exceptions can not be - * generated. - * SPSR's D bit shows the value of PSTATE.D immediately before the - * exception was taken. PSTATE.D is set while entering into any exception - * mode, however software clears it for any normal (none-debug-exception) - * mode in the exception entry. Therefore, when we are entering into kprobe - * breakpoint handler from any normal mode then SPSR.D bit is already - * cleared, however it is set when we are entering from any debug exception - * mode. - * Since we always need to generate single step exception after a kprobe - * breakpoint exception therefore we need to clear it unconditionally, when - * we become sure that the current breakpoint exception is for kprobe. - */ -static void __kprobes -spsr_set_debug_flag(struct pt_regs *regs, int mask) -{ - unsigned long spsr = regs->pstate; - - if (mask) - spsr |= PSR_D_BIT; - else - spsr &= ~PSR_D_BIT; - - regs->pstate = spsr; -} - -/* * Interrupts need to be disabled before single-step mode is set, and not * reenabled until after single-step mode ends. * Without disabling interrupt on local CPU, there is a chance of @@ -205,17 +179,17 @@ spsr_set_debug_flag(struct pt_regs *regs, int mask) static void __kprobes kprobes_save_local_irqflag(struct kprobe_ctlblk *kcb, struct pt_regs *regs) { - kcb->saved_irqflag = regs->pstate; + kcb->saved_irqflag = regs->pstate & DAIF_MASK; regs->pstate |= PSR_I_BIT; + /* Unmask PSTATE.D for enabling software step exceptions. */ + regs->pstate &= ~PSR_D_BIT; } static void __kprobes kprobes_restore_local_irqflag(struct kprobe_ctlblk *kcb, struct pt_regs *regs) { - if (kcb->saved_irqflag & PSR_I_BIT) - regs->pstate |= PSR_I_BIT; - else - regs->pstate &= ~PSR_I_BIT; + regs->pstate &= ~DAIF_MASK; + regs->pstate |= kcb->saved_irqflag; } static void __kprobes @@ -252,8 +226,6 @@ static void __kprobes setup_singlestep(struct kprobe *p, set_ss_context(kcb, slot); /* mark pending ss */ - spsr_set_debug_flag(regs, 0); - /* IRQs and single stepping do not mix well. */ kprobes_save_local_irqflag(kcb, regs); kernel_enable_single_step(regs); diff --git a/arch/arm64/kernel/return_address.c b/arch/arm64/kernel/return_address.c index c4ae647d2306..a5e8b3b9d798 100644 --- a/arch/arm64/kernel/return_address.c +++ b/arch/arm64/kernel/return_address.c @@ -8,6 +8,7 @@ #include <linux/export.h> #include <linux/ftrace.h> +#include <linux/kprobes.h> #include <asm/stack_pointer.h> #include <asm/stacktrace.h> @@ -29,6 +30,7 @@ static int save_return_addr(struct stackframe *frame, void *d) return 0; } } +NOKPROBE_SYMBOL(save_return_addr); void *return_address(unsigned int level) { @@ -49,3 +51,4 @@ void *return_address(unsigned int level) return NULL; } EXPORT_SYMBOL_GPL(return_address); +NOKPROBE_SYMBOL(return_address); diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index ea90d3bd9253..018a33e01b0e 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -152,8 +152,8 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle) pr_crit("CPU%u: died during early boot\n", cpu); break; } - /* Fall through */ pr_crit("CPU%u: may not have shut down cleanly\n", cpu); + /* Fall through */ case CPU_STUCK_IN_KERNEL: pr_crit("CPU%u: is stuck in kernel\n", cpu); if (status & CPU_STUCK_REASON_52_BIT_VA) diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 2b160ae594eb..a336cb124320 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -7,6 +7,7 @@ #include <linux/kernel.h> #include <linux/export.h> #include <linux/ftrace.h> +#include <linux/kprobes.h> #include <linux/sched.h> #include <linux/sched/debug.h> #include <linux/sched/task_stack.h> @@ -111,6 +112,7 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) return 0; } +NOKPROBE_SYMBOL(unwind_frame); void notrace walk_stackframe(struct task_struct *tsk, struct stackframe *frame, int (*fn)(struct stackframe *, void *), void *data) @@ -125,6 +127,7 @@ void notrace walk_stackframe(struct task_struct *tsk, struct stackframe *frame, break; } } +NOKPROBE_SYMBOL(walk_stackframe); #ifdef CONFIG_STACKTRACE struct stack_trace_data { diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index d3313797cca9..32893b3d9164 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -733,6 +733,7 @@ static const char *esr_class_str[] = { [ESR_ELx_EC_CP14_LS] = "CP14 LDC/STC", [ESR_ELx_EC_FP_ASIMD] = "ASIMD", [ESR_ELx_EC_CP10_ID] = "CP10 MRC/VMRS", + [ESR_ELx_EC_PAC] = "PAC", [ESR_ELx_EC_CP14_64] = "CP14 MCRR/MRRC", [ESR_ELx_EC_ILL] = "PSTATE.IL", [ESR_ELx_EC_SVC32] = "SVC (AArch32)", diff --git a/arch/arm64/kvm/hyp/debug-sr.c b/arch/arm64/kvm/hyp/debug-sr.c index 26781da3ad3e..0fc9872a1467 100644 --- a/arch/arm64/kvm/hyp/debug-sr.c +++ b/arch/arm64/kvm/hyp/debug-sr.c @@ -18,40 +18,70 @@ #define save_debug(ptr,reg,nr) \ switch (nr) { \ case 15: ptr[15] = read_debug(reg, 15); \ + /* Fall through */ \ case 14: ptr[14] = read_debug(reg, 14); \ + /* Fall through */ \ case 13: ptr[13] = read_debug(reg, 13); \ + /* Fall through */ \ case 12: ptr[12] = read_debug(reg, 12); \ + /* Fall through */ \ case 11: ptr[11] = read_debug(reg, 11); \ + /* Fall through */ \ case 10: ptr[10] = read_debug(reg, 10); \ + /* Fall through */ \ case 9: ptr[9] = read_debug(reg, 9); \ + /* Fall through */ \ case 8: ptr[8] = read_debug(reg, 8); \ + /* Fall through */ \ case 7: ptr[7] = read_debug(reg, 7); \ + /* Fall through */ \ case 6: ptr[6] = read_debug(reg, 6); \ + /* Fall through */ \ case 5: ptr[5] = read_debug(reg, 5); \ + /* Fall through */ \ case 4: ptr[4] = read_debug(reg, 4); \ + /* Fall through */ \ case 3: ptr[3] = read_debug(reg, 3); \ + /* Fall through */ \ case 2: ptr[2] = read_debug(reg, 2); \ + /* Fall through */ \ case 1: ptr[1] = read_debug(reg, 1); \ + /* Fall through */ \ default: ptr[0] = read_debug(reg, 0); \ } #define restore_debug(ptr,reg,nr) \ switch (nr) { \ case 15: write_debug(ptr[15], reg, 15); \ + /* Fall through */ \ case 14: write_debug(ptr[14], reg, 14); \ + /* Fall through */ \ case 13: write_debug(ptr[13], reg, 13); \ + /* Fall through */ \ case 12: write_debug(ptr[12], reg, 12); \ + /* Fall through */ \ case 11: write_debug(ptr[11], reg, 11); \ + /* Fall through */ \ case 10: write_debug(ptr[10], reg, 10); \ + /* Fall through */ \ case 9: write_debug(ptr[9], reg, 9); \ + /* Fall through */ \ case 8: write_debug(ptr[8], reg, 8); \ + /* Fall through */ \ case 7: write_debug(ptr[7], reg, 7); \ + /* Fall through */ \ case 6: write_debug(ptr[6], reg, 6); \ + /* Fall through */ \ case 5: write_debug(ptr[5], reg, 5); \ + /* Fall through */ \ case 4: write_debug(ptr[4], reg, 4); \ + /* Fall through */ \ case 3: write_debug(ptr[3], reg, 3); \ + /* Fall through */ \ case 2: write_debug(ptr[2], reg, 2); \ + /* Fall through */ \ case 1: write_debug(ptr[1], reg, 1); \ + /* Fall through */ \ default: write_debug(ptr[0], reg, 0); \ } diff --git a/arch/arm64/kvm/regmap.c b/arch/arm64/kvm/regmap.c index 0d60e4f0af66..a900181e3867 100644 --- a/arch/arm64/kvm/regmap.c +++ b/arch/arm64/kvm/regmap.c @@ -178,13 +178,18 @@ void vcpu_write_spsr32(struct kvm_vcpu *vcpu, unsigned long v) switch (spsr_idx) { case KVM_SPSR_SVC: write_sysreg_el1(v, SYS_SPSR); + break; case KVM_SPSR_ABT: write_sysreg(v, spsr_abt); + break; case KVM_SPSR_UND: write_sysreg(v, spsr_und); + break; case KVM_SPSR_IRQ: write_sysreg(v, spsr_irq); + break; case KVM_SPSR_FIQ: write_sysreg(v, spsr_fiq); + break; } } diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index f26e181d881c..2071260a275b 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -632,7 +632,7 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) */ val = ((pmcr & ~ARMV8_PMU_PMCR_MASK) | (ARMV8_PMU_PMCR_MASK & 0xdecafbad)) & (~ARMV8_PMU_PMCR_E); - __vcpu_sys_reg(vcpu, PMCR_EL0) = val; + __vcpu_sys_reg(vcpu, r->reg) = val; } static bool check_pmu_access_disabled(struct kvm_vcpu *vcpu, u64 flags) @@ -981,13 +981,13 @@ static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p, /* Silly macro to expand the DBG{BCR,BVR,WVR,WCR}n_EL1 registers in one go */ #define DBG_BCR_BVR_WCR_WVR_EL1(n) \ { SYS_DESC(SYS_DBGBVRn_EL1(n)), \ - trap_bvr, reset_bvr, n, 0, get_bvr, set_bvr }, \ + trap_bvr, reset_bvr, 0, 0, get_bvr, set_bvr }, \ { SYS_DESC(SYS_DBGBCRn_EL1(n)), \ - trap_bcr, reset_bcr, n, 0, get_bcr, set_bcr }, \ + trap_bcr, reset_bcr, 0, 0, get_bcr, set_bcr }, \ { SYS_DESC(SYS_DBGWVRn_EL1(n)), \ - trap_wvr, reset_wvr, n, 0, get_wvr, set_wvr }, \ + trap_wvr, reset_wvr, 0, 0, get_wvr, set_wvr }, \ { SYS_DESC(SYS_DBGWCRn_EL1(n)), \ - trap_wcr, reset_wcr, n, 0, get_wcr, set_wcr } + trap_wcr, reset_wcr, 0, 0, get_wcr, set_wcr } /* Macro to expand the PMEVCNTRn_EL0 register */ #define PMU_PMEVCNTR_EL0(n) \ @@ -1540,7 +1540,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_CSSELR_EL1), access_csselr, reset_unknown, CSSELR_EL1 }, { SYS_DESC(SYS_CTR_EL0), access_ctr }, - { SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, }, + { SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 }, { SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 }, { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, NULL, PMCNTENSET_EL0 }, { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, NULL, PMOVSSET_EL0 }, @@ -2254,13 +2254,19 @@ static int emulate_sys_reg(struct kvm_vcpu *vcpu, } static void reset_sys_reg_descs(struct kvm_vcpu *vcpu, - const struct sys_reg_desc *table, size_t num) + const struct sys_reg_desc *table, size_t num, + unsigned long *bmap) { unsigned long i; for (i = 0; i < num; i++) - if (table[i].reset) + if (table[i].reset) { + int reg = table[i].reg; + table[i].reset(vcpu, &table[i]); + if (reg > 0 && reg < NR_SYS_REGS) + set_bit(reg, bmap); + } } /** @@ -2774,18 +2780,16 @@ void kvm_reset_sys_regs(struct kvm_vcpu *vcpu) { size_t num; const struct sys_reg_desc *table; - - /* Catch someone adding a register without putting in reset entry. */ - memset(&vcpu->arch.ctxt.sys_regs, 0x42, sizeof(vcpu->arch.ctxt.sys_regs)); + DECLARE_BITMAP(bmap, NR_SYS_REGS) = { 0, }; /* Generic chip reset first (so target could override). */ - reset_sys_reg_descs(vcpu, sys_reg_descs, ARRAY_SIZE(sys_reg_descs)); + reset_sys_reg_descs(vcpu, sys_reg_descs, ARRAY_SIZE(sys_reg_descs), bmap); table = get_target_table(vcpu->arch.target, true, &num); - reset_sys_reg_descs(vcpu, table, num); + reset_sys_reg_descs(vcpu, table, num, bmap); for (num = 1; num < NR_SYS_REGS; num++) { - if (WARN(__vcpu_sys_reg(vcpu, num) == 0x4242424242424242, + if (WARN(!test_bit(num, bmap), "Didn't reset __vcpu_sys_reg(%zi)\n", num)) break; } diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 9568c116ac7f..cfd65b63f36f 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -777,6 +777,53 @@ void __init hook_debug_fault_code(int nr, debug_fault_info[nr].name = name; } +/* + * In debug exception context, we explicitly disable preemption despite + * having interrupts disabled. + * This serves two purposes: it makes it much less likely that we would + * accidentally schedule in exception context and it will force a warning + * if we somehow manage to schedule by accident. + */ +static void debug_exception_enter(struct pt_regs *regs) +{ + /* + * Tell lockdep we disabled irqs in entry.S. Do nothing if they were + * already disabled to preserve the last enabled/disabled addresses. + */ + if (interrupts_enabled(regs)) + trace_hardirqs_off(); + + if (user_mode(regs)) { + RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU"); + } else { + /* + * We might have interrupted pretty much anything. In + * fact, if we're a debug exception, we can even interrupt + * NMI processing. We don't want this code makes in_nmi() + * to return true, but we need to notify RCU. + */ + rcu_nmi_enter(); + } + + preempt_disable(); + + /* This code is a bit fragile. Test it. */ + RCU_LOCKDEP_WARN(!rcu_is_watching(), "exception_enter didn't work"); +} +NOKPROBE_SYMBOL(debug_exception_enter); + +static void debug_exception_exit(struct pt_regs *regs) +{ + preempt_enable_no_resched(); + + if (!user_mode(regs)) + rcu_nmi_exit(); + + if (interrupts_enabled(regs)) + trace_hardirqs_on(); +} +NOKPROBE_SYMBOL(debug_exception_exit); + #ifdef CONFIG_ARM64_ERRATUM_1463225 DECLARE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa); @@ -817,12 +864,7 @@ asmlinkage void __exception do_debug_exception(unsigned long addr_if_watchpoint, if (cortex_a76_erratum_1463225_debug_handler(regs)) return; - /* - * Tell lockdep we disabled irqs in entry.S. Do nothing if they were - * already disabled to preserve the last enabled/disabled addresses. - */ - if (interrupts_enabled(regs)) - trace_hardirqs_off(); + debug_exception_enter(regs); if (user_mode(regs) && !is_ttbr0_addr(pc)) arm64_apply_bp_hardening(); @@ -832,7 +874,6 @@ asmlinkage void __exception do_debug_exception(unsigned long addr_if_watchpoint, inf->sig, inf->code, (void __user *)pc, esr); } - if (interrupts_enabled(regs)) - trace_hardirqs_on(); + debug_exception_exit(regs); } NOKPROBE_SYMBOL(do_debug_exception); diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c index 1f730ded5224..cc88a08bc1f7 100644 --- a/arch/mips/cavium-octeon/octeon-usb.c +++ b/arch/mips/cavium-octeon/octeon-usb.c @@ -398,6 +398,7 @@ static int dwc3_octeon_clocks_start(struct device *dev, u64 base) default: dev_err(dev, "Invalid ref_clk %u, using 100000000 instead\n", clock_rate); + /* fall through */ case 100000000: mpll_mul = 0x19; if (ref_clk_sel < 2) diff --git a/arch/mips/kernel/cacheinfo.c b/arch/mips/kernel/cacheinfo.c index e0dd66881da6..f777e44653d5 100644 --- a/arch/mips/kernel/cacheinfo.c +++ b/arch/mips/kernel/cacheinfo.c @@ -69,6 +69,8 @@ static int __populate_cache_leaves(unsigned int cpu) if (c->tcache.waysize) populate_cache(tcache, this_leaf, 3, CACHE_TYPE_UNIFIED); + this_cpu_ci->cpu_map_populated = true; + return 0; } diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c index 5f209f111e59..df7ddd246eaa 100644 --- a/arch/mips/kernel/i8253.c +++ b/arch/mips/kernel/i8253.c @@ -32,7 +32,8 @@ void __init setup_pit_timer(void) static int __init init_pit_clocksource(void) { - if (num_possible_cpus() > 1) /* PIT does not scale! */ + if (num_possible_cpus() > 1 || /* PIT does not scale! */ + !clockevent_state_periodic(&i8253_clockevent)) return 0; return clocksource_i8253_init(); diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c index e5de6bac8197..754094b40a75 100644 --- a/arch/mips/kvm/emulate.c +++ b/arch/mips/kvm/emulate.c @@ -140,6 +140,7 @@ static int kvm_compute_return_epc(struct kvm_vcpu *vcpu, unsigned long instpc, /* These are unconditional and in j_format. */ case jal_op: arch->gprs[31] = instpc + 8; + /* fall through */ case j_op: epc += 4; epc >>= 28; diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 2cfe839f0b3a..1109924560d8 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -150,16 +150,6 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) return 0; } -bool kvm_arch_has_vcpu_debugfs(void) -{ - return false; -} - -int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) -{ - return 0; -} - void kvm_mips_free_vcpus(struct kvm *kvm) { unsigned int i; diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 7c04b17f4a48..96c13a0ab078 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -172,12 +172,15 @@ static void mipsxx_cpu_setup(void *args) case 4: w_c0_perfctrl3(0); w_c0_perfcntr3(reg.counter[3]); + /* fall through */ case 3: w_c0_perfctrl2(0); w_c0_perfcntr2(reg.counter[2]); + /* fall through */ case 2: w_c0_perfctrl1(0); w_c0_perfcntr1(reg.counter[1]); + /* fall through */ case 1: w_c0_perfctrl0(0); w_c0_perfcntr0(reg.counter[0]); @@ -195,10 +198,13 @@ static void mipsxx_cpu_start(void *args) switch (counters) { case 4: w_c0_perfctrl3(WHAT | reg.control[3]); + /* fall through */ case 3: w_c0_perfctrl2(WHAT | reg.control[2]); + /* fall through */ case 2: w_c0_perfctrl1(WHAT | reg.control[1]); + /* fall through */ case 1: w_c0_perfctrl0(WHAT | reg.control[0]); } @@ -215,10 +221,13 @@ static void mipsxx_cpu_stop(void *args) switch (counters) { case 4: w_c0_perfctrl3(0); + /* fall through */ case 3: w_c0_perfctrl2(0); + /* fall through */ case 2: w_c0_perfctrl1(0); + /* fall through */ case 1: w_c0_perfctrl0(0); } @@ -236,6 +245,7 @@ static int mipsxx_perfcount_handler(void) switch (counters) { #define HANDLE_COUNTER(n) \ + /* fall through */ \ case n + 1: \ control = r_c0_perfctrl ## n(); \ counter = r_c0_perfcntr ## n(); \ @@ -297,12 +307,15 @@ static void reset_counters(void *arg) case 4: w_c0_perfctrl3(0); w_c0_perfcntr3(0); + /* fall through */ case 3: w_c0_perfctrl2(0); w_c0_perfcntr2(0); + /* fall through */ case 2: w_c0_perfctrl1(0); w_c0_perfcntr1(0); + /* fall through */ case 1: w_c0_perfctrl0(0); w_c0_perfcntr0(0); diff --git a/arch/mips/pci/ops-bcm63xx.c b/arch/mips/pci/ops-bcm63xx.c index d02eb9d16b55..925c72348fb6 100644 --- a/arch/mips/pci/ops-bcm63xx.c +++ b/arch/mips/pci/ops-bcm63xx.c @@ -474,6 +474,7 @@ static int bcm63xx_pcie_can_access(struct pci_bus *bus, int devfn) if (PCI_SLOT(devfn) == 0) return bcm_pcie_readl(PCIE_DLSTATUS_REG) & DLSTATUS_PHYLINKUP; + /* else, fall through */ default: return false; } diff --git a/arch/mips/vdso/vdso.h b/arch/mips/vdso/vdso.h index 14b1931be69c..b65b169778e3 100644 --- a/arch/mips/vdso/vdso.h +++ b/arch/mips/vdso/vdso.h @@ -9,6 +9,7 @@ #if _MIPS_SIM != _MIPS_SIM_ABI64 && defined(CONFIG_64BIT) /* Building 32-bit VDSO for the 64-bit kernel. Fake a 32-bit Kconfig. */ +#define BUILD_VDSO32_64 #undef CONFIG_64BIT #define CONFIG_32BIT 1 #ifndef __ASSEMBLY__ diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 8acb8fa1f8d6..3b77d729057f 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -19,8 +19,6 @@ KBUILD_IMAGE := vmlinuz -KBUILD_DEFCONFIG := default_defconfig - NM = sh $(srctree)/arch/parisc/nm CHECKFLAGS += -D__hppa__=1 LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) @@ -182,5 +180,8 @@ define archhelp @echo ' zinstall - Install compressed vmlinuz kernel' endef +archclean: + $(Q)$(MAKE) $(clean)=$(boot) + archheaders: $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile index 2da8624e5cf6..1e5879c6a752 100644 --- a/arch/parisc/boot/compressed/Makefile +++ b/arch/parisc/boot/compressed/Makefile @@ -12,6 +12,7 @@ UBSAN_SANITIZE := n targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 targets += misc.o piggy.o sizes.h head.o real2.o firmware.o +targets += real2.S firmware.c KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING @@ -55,7 +56,8 @@ $(obj)/misc.o: $(obj)/sizes.h CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER $(obj)/vmlinux.lds: $(obj)/sizes.h -$(obj)/vmlinux.bin: vmlinux +OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S +$(obj)/vmlinux.bin: vmlinux FORCE $(call if_changed,objcopy) vmlinux.bin.all-y := $(obj)/vmlinux.bin diff --git a/arch/parisc/boot/compressed/vmlinux.lds.S b/arch/parisc/boot/compressed/vmlinux.lds.S index bfd7872739a3..2ac3a643f2eb 100644 --- a/arch/parisc/boot/compressed/vmlinux.lds.S +++ b/arch/parisc/boot/compressed/vmlinux.lds.S @@ -48,8 +48,8 @@ SECTIONS *(.rodata.compressed) } - /* bootloader code and data starts behind area of extracted kernel */ - . = (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START); + /* bootloader code and data starts at least behind area of extracted kernel */ + . = MAX(ABSOLUTE(.), (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START)); /* align on next page boundary */ . = ALIGN(4096); diff --git a/arch/parisc/configs/default_defconfig b/arch/parisc/configs/defconfig index 5b877ca34ebf..5b877ca34ebf 100644 --- a/arch/parisc/configs/default_defconfig +++ b/arch/parisc/configs/defconfig diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c index d784ccdd8fef..b6fb30f2e4bf 100644 --- a/arch/parisc/kernel/ftrace.c +++ b/arch/parisc/kernel/ftrace.c @@ -181,8 +181,9 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, for (i = 0; i < ARRAY_SIZE(insn); i++) insn[i] = INSN_NOP; + __patch_text((void *)rec->ip, INSN_NOP); __patch_text_multiple((void *)rec->ip + 4 - sizeof(insn), - insn, sizeof(insn)); + insn, sizeof(insn)-4); return 0; } #endif diff --git a/arch/parisc/math-emu/Makefile b/arch/parisc/math-emu/Makefile index b6c4b254901a..3747a0cbd3b8 100644 --- a/arch/parisc/math-emu/Makefile +++ b/arch/parisc/math-emu/Makefile @@ -18,3 +18,4 @@ obj-y := frnd.o driver.o decode_exc.o fpudispatch.o denormal.o \ # other very old or stripped-down PA-RISC CPUs -- not currently supported obj-$(CONFIG_MATH_EMULATION) += unimplemented-math-emulation.o +CFLAGS_REMOVE_fpudispatch.o = -Wimplicit-fallthrough diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 6dd4669ce7a5..adbd5e2144a3 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -66,6 +66,7 @@ parisc_acctyp(unsigned long code, unsigned int inst) case 0x30000000: /* coproc2 */ if (bit22set(inst)) return VM_WRITE; + /* fall through */ case 0x0: /* indexed/memory management */ if (bit22set(inst)) { diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index b3388d95f451..45e3137ccd71 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -107,22 +107,22 @@ extern void _set_L3CR(unsigned long); static inline void dcbz(void *addr) { - __asm__ __volatile__ ("dcbz %y0" : : "Z"(*(u8 *)addr) : "memory"); + __asm__ __volatile__ ("dcbz 0, %0" : : "r"(addr) : "memory"); } static inline void dcbi(void *addr) { - __asm__ __volatile__ ("dcbi %y0" : : "Z"(*(u8 *)addr) : "memory"); + __asm__ __volatile__ ("dcbi 0, %0" : : "r"(addr) : "memory"); } static inline void dcbf(void *addr) { - __asm__ __volatile__ ("dcbf %y0" : : "Z"(*(u8 *)addr) : "memory"); + __asm__ __volatile__ ("dcbf 0, %0" : : "r"(addr) : "memory"); } static inline void dcbst(void *addr) { - __asm__ __volatile__ ("dcbst %y0" : : "Z"(*(u8 *)addr) : "memory"); + __asm__ __volatile__ ("dcbst 0, %0" : : "r"(addr) : "memory"); } #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 68473c3c471c..b0720c7c3fcf 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -49,6 +49,7 @@ #define __ARCH_WANT_SYS_FORK #define __ARCH_WANT_SYS_VFORK #define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_SYS_CLONE3 #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index 7107ad86de65..92045ed64976 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -176,9 +176,11 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg, ret |= __get_user_inatomic(temp.v[1], p++); ret |= __get_user_inatomic(temp.v[2], p++); ret |= __get_user_inatomic(temp.v[3], p++); + /* fall through */ case 4: ret |= __get_user_inatomic(temp.v[4], p++); ret |= __get_user_inatomic(temp.v[5], p++); + /* fall through */ case 2: ret |= __get_user_inatomic(temp.v[6], p++); ret |= __get_user_inatomic(temp.v[7], p++); @@ -259,9 +261,11 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg, ret |= __put_user_inatomic(data.v[1], p++); ret |= __put_user_inatomic(data.v[2], p++); ret |= __put_user_inatomic(data.v[3], p++); + /* fall through */ case 4: ret |= __put_user_inatomic(data.v[4], p++); ret |= __put_user_inatomic(data.v[5], p++); + /* fall through */ case 2: ret |= __put_user_inatomic(data.v[6], p++); ret |= __put_user_inatomic(data.v[7], p++); diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 85fdb6d879f1..54fab22c9a43 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -597,6 +597,14 @@ ppc_clone: stw r0,_TRAP(r1) /* register set saved */ b sys_clone + .globl ppc_clone3 +ppc_clone3: + SAVE_NVGPRS(r1) + lwz r0,_TRAP(r1) + rlwinm r0,r0,0,0,30 /* clear LSB to indicate full */ + stw r0,_TRAP(r1) /* register set saved */ + b sys_clone3 + .globl ppc_swapcontext ppc_swapcontext: SAVE_NVGPRS(r1) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index d9105fcf4021..0a0b5310f54a 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -487,6 +487,11 @@ _GLOBAL(ppc_clone) bl sys_clone b .Lsyscall_exit +_GLOBAL(ppc_clone3) + bl save_nvgprs + bl sys_clone3 + b .Lsyscall_exit + _GLOBAL(ppc32_swapcontext) bl save_nvgprs bl compat_sys_swapcontext diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 3331749aab20..43f736ed47f2 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -516,4 +516,4 @@ 432 common fsmount sys_fsmount 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open -# 435 reserved for clone3 +435 nospu clone3 ppc_clone3 diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c index 653936177857..18f244aad7aa 100644 --- a/arch/powerpc/kvm/book3s_32_mmu.c +++ b/arch/powerpc/kvm/book3s_32_mmu.c @@ -239,6 +239,7 @@ static int kvmppc_mmu_book3s_32_xlate_pte(struct kvm_vcpu *vcpu, gva_t eaddr, case 2: case 6: pte->may_write = true; + /* fall through */ case 3: case 5: case 7: diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 0dba7eb24f92..3e566c2e6066 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -50,6 +50,11 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *v) return !!(v->arch.pending_exceptions) || kvm_request_pending(v); } +bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu) +{ + return kvm_arch_vcpu_runnable(vcpu); +} + bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) { return false; @@ -452,16 +457,6 @@ err_out: return -EINVAL; } -bool kvm_arch_has_vcpu_debugfs(void) -{ - return false; -} - -int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) -{ - return 0; -} - void kvm_arch_destroy_vm(struct kvm *kvm) { unsigned int i; diff --git a/arch/powerpc/mm/kasan/kasan_init_32.c b/arch/powerpc/mm/kasan/kasan_init_32.c index 0d62be3cba47..74f4555a62ba 100644 --- a/arch/powerpc/mm/kasan/kasan_init_32.c +++ b/arch/powerpc/mm/kasan/kasan_init_32.c @@ -21,7 +21,7 @@ static void kasan_populate_pte(pte_t *ptep, pgprot_t prot) __set_pte_at(&init_mm, va, ptep, pfn_pte(PHYS_PFN(pa), prot), 0); } -static int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end) +static int __ref kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end) { pmd_t *pmd; unsigned long k_cur, k_next; @@ -35,7 +35,10 @@ static int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_ if ((void *)pmd_page_vaddr(*pmd) != kasan_early_shadow_pte) continue; - new = pte_alloc_one_kernel(&init_mm); + if (slab_is_available()) + new = pte_alloc_one_kernel(&init_mm); + else + new = memblock_alloc(PTE_FRAG_SIZE, PTE_FRAG_SIZE); if (!new) return -ENOMEM; diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index 2c07908359b2..a5ac371a3f06 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -275,12 +275,32 @@ static const struct attribute_group *papr_scm_dimm_groups[] = { NULL, }; +static inline int papr_scm_node(int node) +{ + int min_dist = INT_MAX, dist; + int nid, min_node; + + if ((node == NUMA_NO_NODE) || node_online(node)) + return node; + + min_node = first_online_node; + for_each_online_node(nid) { + dist = node_distance(node, nid); + if (dist < min_dist) { + min_dist = dist; + min_node = nid; + } + } + return min_node; +} + static int papr_scm_nvdimm_init(struct papr_scm_priv *p) { struct device *dev = &p->pdev->dev; struct nd_mapping_desc mapping; struct nd_region_desc ndr_desc; unsigned long dimm_flags; + int target_nid, online_nid; p->bus_desc.ndctl = papr_scm_ndctl; p->bus_desc.module = THIS_MODULE; @@ -319,8 +339,10 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p) memset(&ndr_desc, 0, sizeof(ndr_desc)); ndr_desc.attr_groups = region_attr_groups; - ndr_desc.numa_node = dev_to_node(&p->pdev->dev); - ndr_desc.target_node = ndr_desc.numa_node; + target_nid = dev_to_node(&p->pdev->dev); + online_nid = papr_scm_node(target_nid); + ndr_desc.numa_node = online_nid; + ndr_desc.target_node = target_nid; ndr_desc.res = &p->res; ndr_desc.of_node = p->dn; ndr_desc.provider_data = p; @@ -338,6 +360,9 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p) ndr_desc.res, p->dn); goto err; } + if (target_nid != online_nid) + dev_info(dev, "Region registered with target node %d and online node %d", + target_nid, online_nid); return 0; diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 9bf63f0ab253..42b5ec223100 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -21,7 +21,6 @@ cpus { #address-cells = <1>; #size-cells = <0>; - timebase-frequency = <1000000>; cpu0: cpu@0 { compatible = "sifive,e51", "sifive,rocket0", "riscv"; device_type = "cpu"; diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig index b7b749b18853..93205c0bf71d 100644 --- a/arch/riscv/configs/defconfig +++ b/arch/riscv/configs/defconfig @@ -34,6 +34,7 @@ CONFIG_PCIEPORTBUS=y CONFIG_PCI_HOST_GENERIC=y CONFIG_PCIE_XILINX=y CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y CONFIG_BLK_DEV_LOOP=y CONFIG_VIRTIO_BLK=y CONFIG_BLK_DEV_SD=y @@ -53,6 +54,8 @@ CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y CONFIG_SERIAL_EARLYCON_RISCV_SBI=y CONFIG_HVC_RISCV_SBI=y +CONFIG_SPI=y +CONFIG_SPI_SIFIVE=y # CONFIG_PTP_1588_CLOCK is not set CONFIG_DRM=y CONFIG_DRM_RADEON=y @@ -66,8 +69,9 @@ CONFIG_USB_OHCI_HCD=y CONFIG_USB_OHCI_HCD_PLATFORM=y CONFIG_USB_STORAGE=y CONFIG_USB_UAS=y +CONFIG_MMC=y +CONFIG_MMC_SPI=y CONFIG_VIRTIO_MMIO=y -CONFIG_SPI_SIFIVE=y CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_AUTOFS4_FS=y @@ -83,8 +87,4 @@ CONFIG_ROOT_NFS=y CONFIG_CRYPTO_USER_API_HASH=y CONFIG_CRYPTO_DEV_VIRTIO=y CONFIG_PRINTK_TIME=y -CONFIG_SPI=y -CONFIG_MMC_SPI=y -CONFIG_MMC=y -CONFIG_DEVTMPFS_MOUNT=y # CONFIG_RCU_TRACE is not set diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index f1d6ffe43e42..49a5852fd07d 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -37,7 +37,7 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE # these symbols in the kernel code rather than hand-coded addresses. SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \ - -Wl,--hash-style=both + -Wl,--build-id -Wl,--hash-style=both $(obj)/vdso-dummy.o: $(src)/vdso.lds $(obj)/rt_sigreturn.o FORCE $(call if_changed,vdsold) diff --git a/arch/s390/boot/boot.h b/arch/s390/boot/boot.h index 082905d97309..1c3b2b257637 100644 --- a/arch/s390/boot/boot.h +++ b/arch/s390/boot/boot.h @@ -8,6 +8,7 @@ void store_ipl_parmblock(void); void setup_boot_command_line(void); void parse_boot_command_line(void); void setup_memory_end(void); +void verify_facilities(void); void print_missing_facilities(void); unsigned long get_random_base(unsigned long safe_addr); diff --git a/arch/s390/boot/ipl_parm.c b/arch/s390/boot/ipl_parm.c index 3c49bde8aa5e..b8aa6a9f937b 100644 --- a/arch/s390/boot/ipl_parm.c +++ b/arch/s390/boot/ipl_parm.c @@ -48,9 +48,7 @@ void store_ipl_parmblock(void) { int rc; - uv_set_shared(__pa(&ipl_block)); rc = __diag308(DIAG308_STORE, &ipl_block); - uv_remove_shared(__pa(&ipl_block)); if (rc == DIAG308_RC_OK && ipl_block.hdr.version <= IPL_MAX_SUPPORTED_VERSION) ipl_block_valid = 1; diff --git a/arch/s390/boot/kaslr.c b/arch/s390/boot/kaslr.c index 3bdd8132e56b..c34a6387ce38 100644 --- a/arch/s390/boot/kaslr.c +++ b/arch/s390/boot/kaslr.c @@ -7,6 +7,7 @@ #include <asm/timex.h> #include <asm/sclp.h> #include "compressed/decompressor.h" +#include "boot.h" #define PRNG_MODE_TDES 1 #define PRNG_MODE_SHA512 2 diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index e26d4413d34c..74e78ec5beb6 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -3,6 +3,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_AUDIT=y CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_PREEMPT=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_TASKSTATS=y @@ -18,55 +19,71 @@ CONFIG_BLK_CGROUP=y CONFIG_CFS_BANDWIDTH=y CONFIG_RT_GROUP_SCHED=y CONFIG_CGROUP_PIDS=y +CONFIG_CGROUP_RDMA=y CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_HUGETLB=y CONFIG_CPUSETS=y CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_CGROUP_PERF=y +CONFIG_CGROUP_BPF=y CONFIG_NAMESPACES=y CONFIG_USER_NS=y +CONFIG_CHECKPOINT_RESTORE=y CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y # CONFIG_SYSFS_SYSCALL is not set -CONFIG_CHECKPOINT_RESTORE=y CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set CONFIG_PROFILING=y +CONFIG_LIVEPATCH=y +CONFIG_TUNE_ZEC12=y +CONFIG_NR_CPUS=512 +CONFIG_NUMA=y +CONFIG_HZ_100=y +CONFIG_KEXEC_FILE=y +CONFIG_EXPOLINE=y +CONFIG_EXPOLINE_AUTO=y +CONFIG_CHSC_SCH=y +CONFIG_VFIO_CCW=m +CONFIG_VFIO_AP=m +CONFIG_CRASH_DUMP=y +CONFIG_HIBERNATION=y +CONFIG_PM_DEBUG=y +CONFIG_CMM=m +CONFIG_APPLDATA_BASE=y +CONFIG_KVM=m +CONFIG_VHOST_NET=m +CONFIG_VHOST_VSOCK=m CONFIG_OPROFILE=m CONFIG_KPROBES=y CONFIG_JUMP_LABEL=y CONFIG_STATIC_KEYS_SELFTEST=y +CONFIG_REFCOUNT_FULL=y +CONFIG_LOCK_EVENT_COUNTS=y CONFIG_MODULES=y CONFIG_MODULE_FORCE_LOAD=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_MODULE_SIG=y +CONFIG_MODULE_SIG_SHA256=y CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y CONFIG_BLK_WBT=y -CONFIG_BLK_WBT_SQ=y +CONFIG_BLK_CGROUP_IOLATENCY=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_BSD_DISKLABEL=y CONFIG_MINIX_SUBPARTITION=y CONFIG_SOLARIS_X86_PARTITION=y CONFIG_UNIXWARE_DISKLABEL=y -CONFIG_CFQ_GROUP_IOSCHED=y -CONFIG_DEFAULT_DEADLINE=y -CONFIG_LIVEPATCH=y -CONFIG_TUNE_ZEC12=y -CONFIG_NR_CPUS=512 -CONFIG_NUMA=y -CONFIG_PREEMPT=y -CONFIG_HZ_100=y -CONFIG_KEXEC_FILE=y -CONFIG_KEXEC_VERIFY_SIG=y -CONFIG_EXPOLINE=y -CONFIG_EXPOLINE_AUTO=y +CONFIG_IOSCHED_BFQ=y +CONFIG_BFQ_GROUP_IOSCHED=y +CONFIG_BINFMT_MISC=m CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTREMOVE=y CONFIG_KSM=y @@ -82,17 +99,8 @@ CONFIG_ZSMALLOC=m CONFIG_ZSMALLOC_STAT=y CONFIG_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_IDLE_PAGE_TRACKING=y -CONFIG_PCI=y -CONFIG_PCI_DEBUG=y -CONFIG_HOTPLUG_PCI=y -CONFIG_HOTPLUG_PCI_S390=y -CONFIG_CHSC_SCH=y -CONFIG_VFIO_AP=m -CONFIG_VFIO_CCW=m -CONFIG_CRASH_DUMP=y -CONFIG_BINFMT_MISC=m -CONFIG_HIBERNATION=y -CONFIG_PM_DEBUG=y +CONFIG_PERCPU_STATS=y +CONFIG_GUP_BENCHMARK=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_PACKET_DIAG=m @@ -121,9 +129,6 @@ CONFIG_NET_IPVTI=m CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m -CONFIG_INET_XFRM_MODE_TRANSPORT=m -CONFIG_INET_XFRM_MODE_TUNNEL=m -CONFIG_INET_XFRM_MODE_BEET=m CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_TCP_CONG_ADVANCED=y @@ -139,10 +144,6 @@ CONFIG_INET6_AH=m CONFIG_INET6_ESP=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_MIP6=m -CONFIG_INET6_XFRM_MODE_TRANSPORT=m -CONFIG_INET6_XFRM_MODE_TUNNEL=m -CONFIG_INET6_XFRM_MODE_BEET=m -CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m CONFIG_IPV6_VTI=m CONFIG_IPV6_SIT=m CONFIG_IPV6_GRE=m @@ -264,11 +265,8 @@ CONFIG_IP_VS_SED=m CONFIG_IP_VS_NQ=m CONFIG_IP_VS_FTP=m CONFIG_IP_VS_PE_SIP=m -CONFIG_NF_CONNTRACK_IPV4=m CONFIG_NF_TABLES_IPV4=y -CONFIG_NFT_CHAIN_ROUTE_IPV4=m CONFIG_NF_TABLES_ARP=y -CONFIG_NFT_CHAIN_NAT_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -287,10 +285,7 @@ CONFIG_IP_NF_SECURITY=m CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m -CONFIG_NF_CONNTRACK_IPV6=m CONFIG_NF_TABLES_IPV6=y -CONFIG_NFT_CHAIN_ROUTE_IPV6=m -CONFIG_NFT_CHAIN_NAT_IPV6=m CONFIG_IP6_NF_IPTABLES=m CONFIG_IP6_NF_MATCH_AH=m CONFIG_IP6_NF_MATCH_EUI64=m @@ -309,7 +304,7 @@ CONFIG_IP6_NF_RAW=m CONFIG_IP6_NF_SECURITY=m CONFIG_IP6_NF_NAT=m CONFIG_IP6_NF_TARGET_MASQUERADE=m -CONFIG_NF_TABLES_BRIDGE=y +CONFIG_NF_TABLES_BRIDGE=m CONFIG_RDS=m CONFIG_RDS_RDMA=m CONFIG_RDS_TCP=m @@ -375,9 +370,11 @@ CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m +CONFIG_PCI=y +CONFIG_PCI_DEBUG=y +CONFIG_HOTPLUG_PCI=y +CONFIG_HOTPLUG_PCI_S390=y CONFIG_DEVTMPFS=y -CONFIG_DMA_CMA=y -CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CONNECTOR=y CONFIG_ZRAM=m CONFIG_BLK_DEV_LOOP=m @@ -395,7 +392,6 @@ CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_ST=m -CONFIG_CHR_DEV_OSST=m CONFIG_BLK_DEV_SR=m CONFIG_CHR_DEV_SG=y CONFIG_CHR_DEV_SCH=m @@ -415,17 +411,19 @@ CONFIG_SCSI_DH_RDAC=m CONFIG_SCSI_DH_HP_SW=m CONFIG_SCSI_DH_EMC=m CONFIG_SCSI_DH_ALUA=m -CONFIG_SCSI_OSD_INITIATOR=m -CONFIG_SCSI_OSD_ULD=m CONFIG_MD=y CONFIG_BLK_DEV_MD=y CONFIG_MD_LINEAR=m CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m +CONFIG_MD_CLUSTER=m +CONFIG_BCACHE=m CONFIG_BLK_DEV_DM=m +CONFIG_DM_UNSTRIPED=m CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m +CONFIG_DM_WRITECACHE=m CONFIG_DM_MIRROR=m CONFIG_DM_LOG_USERSPACE=m CONFIG_DM_RAID=m @@ -445,23 +443,78 @@ CONFIG_EQUALIZER=m CONFIG_IFB=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m -CONFIG_VXLAN=m CONFIG_TUN=m CONFIG_VETH=m CONFIG_VIRTIO_NET=m CONFIG_NLMON=m +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_NET_VENDOR_ADAPTEC is not set +# CONFIG_NET_VENDOR_AGERE is not set +# CONFIG_NET_VENDOR_ALACRITECH is not set +# CONFIG_NET_VENDOR_ALTEON is not set +# CONFIG_NET_VENDOR_AMAZON is not set +# CONFIG_NET_VENDOR_AMD is not set +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set +# CONFIG_NET_VENDOR_ATHEROS is not set +# CONFIG_NET_VENDOR_AURORA is not set +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_BROCADE is not set +# CONFIG_NET_VENDOR_CADENCE is not set +# CONFIG_NET_VENDOR_CAVIUM is not set # CONFIG_NET_VENDOR_CHELSIO is not set +# CONFIG_NET_VENDOR_CISCO is not set +# CONFIG_NET_VENDOR_CORTINA is not set +# CONFIG_NET_VENDOR_DEC is not set +# CONFIG_NET_VENDOR_DLINK is not set +# CONFIG_NET_VENDOR_EMULEX is not set +# CONFIG_NET_VENDOR_EZCHIP is not set +# CONFIG_NET_VENDOR_GOOGLE is not set +# CONFIG_NET_VENDOR_HP is not set +# CONFIG_NET_VENDOR_HUAWEI is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m CONFIG_MLX5_CORE=m CONFIG_MLX5_CORE_EN=y +# CONFIG_MLXFW is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_MICROCHIP is not set +# CONFIG_NET_VENDOR_MICROSEMI is not set +# CONFIG_NET_VENDOR_MYRI is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETERION is not set +# CONFIG_NET_VENDOR_NETRONOME is not set +# CONFIG_NET_VENDOR_NI is not set +# CONFIG_NET_VENDOR_NVIDIA is not set +# CONFIG_NET_VENDOR_OKI is not set +# CONFIG_NET_VENDOR_PACKET_ENGINES is not set +# CONFIG_NET_VENDOR_QLOGIC is not set +# CONFIG_NET_VENDOR_QUALCOMM is not set +# CONFIG_NET_VENDOR_RDC is not set +# CONFIG_NET_VENDOR_REALTEK is not set +# CONFIG_NET_VENDOR_RENESAS is not set +# CONFIG_NET_VENDOR_ROCKER is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_SOLARFLARE is not set +# CONFIG_NET_VENDOR_SILAN is not set +# CONFIG_NET_VENDOR_SIS is not set +# CONFIG_NET_VENDOR_SMSC is not set +# CONFIG_NET_VENDOR_SOCIONEXT is not set +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_NET_VENDOR_SUN is not set +# CONFIG_NET_VENDOR_SYNOPSYS is not set +# CONFIG_NET_VENDOR_TEHUTI is not set +# CONFIG_NET_VENDOR_TI is not set +# CONFIG_NET_VENDOR_VIA is not set +# CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m CONFIG_PPP_DEFLATE=m +CONFIG_PPP_FILTER=y CONFIG_PPP_MPPE=m +CONFIG_PPP_MULTILINK=y CONFIG_PPPOE=m CONFIG_PPTP=m CONFIG_PPPOL2TP=m @@ -473,10 +526,13 @@ CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set CONFIG_LEGACY_PTY_COUNT=0 +CONFIG_NULL_TTY=m CONFIG_HW_RANDOM_VIRTIO=m CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m CONFIG_TN3270_FS=y +CONFIG_PPS=m +# CONFIG_PTP_1588_CLOCK is not set # CONFIG_HWMON is not set CONFIG_WATCHDOG=y CONFIG_WATCHDOG_NOWAYOUT=y @@ -498,8 +554,8 @@ CONFIG_VFIO_MDEV_DEVICE=m CONFIG_VIRTIO_PCI=m CONFIG_VIRTIO_BALLOON=m CONFIG_VIRTIO_INPUT=y -CONFIG_S390_AP_IOMMU=y CONFIG_S390_CCW_IOMMU=y +CONFIG_S390_AP_IOMMU=y CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_EXT4_FS_SECURITY=y @@ -519,6 +575,7 @@ CONFIG_OCFS2_FS=m CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_BTRFS_DEBUG=y +CONFIG_BTRFS_ASSERT=y CONFIG_NILFS2_FS=m CONFIG_FS_DAX=y CONFIG_EXPORTFS_BLOCK_OPS=y @@ -552,8 +609,10 @@ CONFIG_ECRYPT_FS=m CONFIG_CRAMFS=m CONFIG_SQUASHFS=m CONFIG_SQUASHFS_XATTR=y +CONFIG_SQUASHFS_LZ4=y CONFIG_SQUASHFS_LZO=y CONFIG_SQUASHFS_XZ=y +CONFIG_SQUASHFS_ZSTD=y CONFIG_ROMFS_FS=m CONFIG_NFS_FS=m CONFIG_NFS_V3_ACL=y @@ -564,7 +623,6 @@ CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y CONFIG_CIFS=m -CONFIG_CIFS_STATS=y CONFIG_CIFS_STATS2=y CONFIG_CIFS_WEAK_PW_HASH=y CONFIG_CIFS_UPCALL=y @@ -580,19 +638,112 @@ CONFIG_NLS_ISO8859_1=m CONFIG_NLS_ISO8859_15=m CONFIG_NLS_UTF8=m CONFIG_DLM=m +CONFIG_UNICODE=y +CONFIG_PERSISTENT_KEYRINGS=y +CONFIG_BIG_KEYS=y +CONFIG_ENCRYPTED_KEYS=m +CONFIG_SECURITY=y +CONFIG_SECURITY_NETWORK=y +CONFIG_FORTIFY_SOURCE=y +CONFIG_SECURITY_SELINUX=y +CONFIG_SECURITY_SELINUX_BOOTPARAM=y +CONFIG_SECURITY_SELINUX_DISABLE=y +CONFIG_INTEGRITY_SIGNATURE=y +CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y +CONFIG_IMA=y +CONFIG_IMA_DEFAULT_HASH_SHA256=y +CONFIG_IMA_WRITE_POLICY=y +CONFIG_IMA_APPRAISE=y +CONFIG_CRYPTO_USER=m +# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set +CONFIG_CRYPTO_PCRYPT=m +CONFIG_CRYPTO_CRYPTD=m +CONFIG_CRYPTO_TEST=m +CONFIG_CRYPTO_DH=m +CONFIG_CRYPTO_ECDH=m +CONFIG_CRYPTO_ECRDSA=m +CONFIG_CRYPTO_CHACHA20POLY1305=m +CONFIG_CRYPTO_AEGIS128=m +CONFIG_CRYPTO_AEGIS128L=m +CONFIG_CRYPTO_AEGIS256=m +CONFIG_CRYPTO_MORUS640=m +CONFIG_CRYPTO_MORUS1280=m +CONFIG_CRYPTO_CFB=m +CONFIG_CRYPTO_LRW=m +CONFIG_CRYPTO_PCBC=m +CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_ADIANTUM=m +CONFIG_CRYPTO_XCBC=m +CONFIG_CRYPTO_VMAC=m +CONFIG_CRYPTO_CRC32=m +CONFIG_CRYPTO_XXHASH=m +CONFIG_CRYPTO_MICHAEL_MIC=m +CONFIG_CRYPTO_RMD128=m +CONFIG_CRYPTO_RMD160=m +CONFIG_CRYPTO_RMD256=m +CONFIG_CRYPTO_RMD320=m +CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m +CONFIG_CRYPTO_TGR192=m +CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m +CONFIG_CRYPTO_ANUBIS=m +CONFIG_CRYPTO_ARC4=m +CONFIG_CRYPTO_BLOWFISH=m +CONFIG_CRYPTO_CAMELLIA=m +CONFIG_CRYPTO_CAST5=m +CONFIG_CRYPTO_CAST6=m +CONFIG_CRYPTO_FCRYPT=m +CONFIG_CRYPTO_KHAZAD=m +CONFIG_CRYPTO_SALSA20=m +CONFIG_CRYPTO_SEED=m +CONFIG_CRYPTO_SERPENT=m +CONFIG_CRYPTO_SM4=m +CONFIG_CRYPTO_TEA=m +CONFIG_CRYPTO_TWOFISH=m +CONFIG_CRYPTO_842=m +CONFIG_CRYPTO_LZ4=m +CONFIG_CRYPTO_LZ4HC=m +CONFIG_CRYPTO_ZSTD=m +CONFIG_CRYPTO_ANSI_CPRNG=m +CONFIG_CRYPTO_USER_API_HASH=m +CONFIG_CRYPTO_USER_API_SKCIPHER=m +CONFIG_CRYPTO_USER_API_RNG=m +CONFIG_CRYPTO_USER_API_AEAD=m +CONFIG_CRYPTO_STATS=y +CONFIG_ZCRYPT=m +CONFIG_PKEY=m +CONFIG_CRYPTO_PAES_S390=m +CONFIG_CRYPTO_SHA1_S390=m +CONFIG_CRYPTO_SHA256_S390=m +CONFIG_CRYPTO_SHA512_S390=m +CONFIG_CRYPTO_DES_S390=m +CONFIG_CRYPTO_AES_S390=m +CONFIG_CRYPTO_GHASH_S390=m +CONFIG_CRYPTO_CRC32_S390=y +CONFIG_CORDIC=m +CONFIG_CRC32_SELFTEST=y +CONFIG_CRC4=m +CONFIG_CRC7=m +CONFIG_CRC8=m +CONFIG_RANDOM32_SELFTEST=y +CONFIG_DMA_CMA=y +CONFIG_CMA_SIZE_MBYTES=0 +CONFIG_DMA_API_DEBUG=y +CONFIG_STRING_SELFTEST=y CONFIG_PRINTK_TIME=y CONFIG_DYNAMIC_DEBUG=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_INFO_DWARF4=y CONFIG_GDB_SCRIPTS=y CONFIG_FRAME_WARN=1024 -CONFIG_READABLE_ASM=y CONFIG_UNUSED_SYMBOLS=y CONFIG_HEADERS_INSTALL=y CONFIG_HEADERS_CHECK=y CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_PAGEALLOC=y +CONFIG_PAGE_OWNER=y CONFIG_DEBUG_RODATA_TEST=y CONFIG_DEBUG_OBJECTS=y CONFIG_DEBUG_OBJECTS_SELFTEST=y @@ -645,7 +796,6 @@ CONFIG_STACK_TRACER=y CONFIG_BLK_DEV_IO_TRACE=y CONFIG_FUNCTION_PROFILER=y CONFIG_HIST_TRIGGERS=y -CONFIG_DMA_API_DEBUG=y CONFIG_LKDTM=m CONFIG_TEST_LIST_SORT=y CONFIG_TEST_SORT=y @@ -657,85 +807,3 @@ CONFIG_ATOMIC64_SELFTEST=y CONFIG_TEST_BPF=m CONFIG_BUG_ON_DATA_CORRUPTION=y CONFIG_S390_PTDUMP=y -CONFIG_PERSISTENT_KEYRINGS=y -CONFIG_BIG_KEYS=y -CONFIG_ENCRYPTED_KEYS=m -CONFIG_SECURITY=y -CONFIG_SECURITY_NETWORK=y -CONFIG_FORTIFY_SOURCE=y -CONFIG_SECURITY_SELINUX=y -CONFIG_SECURITY_SELINUX_BOOTPARAM=y -CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0 -CONFIG_SECURITY_SELINUX_DISABLE=y -CONFIG_INTEGRITY_SIGNATURE=y -CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y -CONFIG_IMA=y -CONFIG_IMA_DEFAULT_HASH_SHA256=y -CONFIG_IMA_WRITE_POLICY=y -CONFIG_IMA_APPRAISE=y -CONFIG_CRYPTO_DH=m -CONFIG_CRYPTO_ECDH=m -CONFIG_CRYPTO_USER=m -# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set -CONFIG_CRYPTO_PCRYPT=m -CONFIG_CRYPTO_CRYPTD=m -CONFIG_CRYPTO_TEST=m -CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_LRW=m -CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_KEYWRAP=m -CONFIG_CRYPTO_XCBC=m -CONFIG_CRYPTO_VMAC=m -CONFIG_CRYPTO_CRC32=m -CONFIG_CRYPTO_MICHAEL_MIC=m -CONFIG_CRYPTO_RMD128=m -CONFIG_CRYPTO_RMD160=m -CONFIG_CRYPTO_RMD256=m -CONFIG_CRYPTO_RMD320=m -CONFIG_CRYPTO_SHA512=m -CONFIG_CRYPTO_SHA3=m -CONFIG_CRYPTO_TGR192=m -CONFIG_CRYPTO_WP512=m -CONFIG_CRYPTO_AES_TI=m -CONFIG_CRYPTO_ANUBIS=m -CONFIG_CRYPTO_BLOWFISH=m -CONFIG_CRYPTO_CAMELLIA=m -CONFIG_CRYPTO_CAST5=m -CONFIG_CRYPTO_CAST6=m -CONFIG_CRYPTO_FCRYPT=m -CONFIG_CRYPTO_KHAZAD=m -CONFIG_CRYPTO_SALSA20=m -CONFIG_CRYPTO_SEED=m -CONFIG_CRYPTO_SERPENT=m -CONFIG_CRYPTO_TEA=m -CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_842=m -CONFIG_CRYPTO_LZ4=m -CONFIG_CRYPTO_LZ4HC=m -CONFIG_CRYPTO_ANSI_CPRNG=m -CONFIG_CRYPTO_USER_API_HASH=m -CONFIG_CRYPTO_USER_API_SKCIPHER=m -CONFIG_CRYPTO_USER_API_RNG=m -CONFIG_CRYPTO_USER_API_AEAD=m -CONFIG_ZCRYPT=m -CONFIG_PKEY=m -CONFIG_CRYPTO_PAES_S390=m -CONFIG_CRYPTO_SHA1_S390=m -CONFIG_CRYPTO_SHA256_S390=m -CONFIG_CRYPTO_SHA512_S390=m -CONFIG_CRYPTO_DES_S390=m -CONFIG_CRYPTO_AES_S390=m -CONFIG_CRYPTO_GHASH_S390=m -CONFIG_CRYPTO_CRC32_S390=y -CONFIG_PKCS7_MESSAGE_PARSER=y -CONFIG_SYSTEM_TRUSTED_KEYRING=y -CONFIG_CRC7=m -CONFIG_CRC8=m -CONFIG_RANDOM32_SELFTEST=y -CONFIG_CORDIC=m -CONFIG_CMM=m -CONFIG_APPLDATA_BASE=y -CONFIG_KVM=m -CONFIG_KVM_S390_UCONTROL=y -CONFIG_VHOST_NET=m -CONFIG_VHOST_VSOCK=m diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index e4bc40073003..68d3ca83302b 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -12,30 +12,51 @@ CONFIG_TASK_IO_ACCOUNTING=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_NUMA_BALANCING=y -# CONFIG_NUMA_BALANCING_DEFAULT_ENABLED is not set CONFIG_MEMCG=y CONFIG_MEMCG_SWAP=y CONFIG_BLK_CGROUP=y CONFIG_CFS_BANDWIDTH=y CONFIG_RT_GROUP_SCHED=y CONFIG_CGROUP_PIDS=y +CONFIG_CGROUP_RDMA=y CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_HUGETLB=y CONFIG_CPUSETS=y CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_CGROUP_PERF=y +CONFIG_CGROUP_BPF=y CONFIG_NAMESPACES=y CONFIG_USER_NS=y +CONFIG_CHECKPOINT_RESTORE=y CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y # CONFIG_SYSFS_SYSCALL is not set -CONFIG_CHECKPOINT_RESTORE=y CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set CONFIG_PROFILING=y +CONFIG_LIVEPATCH=y +CONFIG_TUNE_ZEC12=y +CONFIG_NR_CPUS=512 +CONFIG_NUMA=y +# CONFIG_NUMA_EMU is not set +CONFIG_HZ_100=y +CONFIG_KEXEC_FILE=y +CONFIG_EXPOLINE=y +CONFIG_EXPOLINE_AUTO=y +CONFIG_CHSC_SCH=y +CONFIG_VFIO_CCW=m +CONFIG_VFIO_AP=m +CONFIG_CRASH_DUMP=y +CONFIG_HIBERNATION=y +CONFIG_PM_DEBUG=y +CONFIG_CMM=m +CONFIG_APPLDATA_BASE=y +CONFIG_KVM=m +CONFIG_VHOST_NET=m +CONFIG_VHOST_VSOCK=m CONFIG_OPROFILE=m CONFIG_KPROBES=y CONFIG_JUMP_LABEL=y @@ -47,27 +68,18 @@ CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y CONFIG_MODULE_SIG=y CONFIG_MODULE_SIG_SHA256=y -CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y CONFIG_BLK_WBT=y -CONFIG_BLK_WBT_SQ=y +CONFIG_BLK_CGROUP_IOLATENCY=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_BSD_DISKLABEL=y CONFIG_MINIX_SUBPARTITION=y CONFIG_SOLARIS_X86_PARTITION=y CONFIG_UNIXWARE_DISKLABEL=y -CONFIG_CFQ_GROUP_IOSCHED=y -CONFIG_DEFAULT_DEADLINE=y -CONFIG_LIVEPATCH=y -CONFIG_TUNE_ZEC12=y -CONFIG_NR_CPUS=512 -CONFIG_NUMA=y -CONFIG_HZ_100=y -CONFIG_KEXEC_FILE=y -CONFIG_KEXEC_VERIFY_SIG=y -CONFIG_EXPOLINE=y -CONFIG_EXPOLINE_AUTO=y +CONFIG_IOSCHED_BFQ=y +CONFIG_BFQ_GROUP_IOSCHED=y +CONFIG_BINFMT_MISC=m CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTREMOVE=y CONFIG_KSM=y @@ -81,16 +93,8 @@ CONFIG_ZSMALLOC=m CONFIG_ZSMALLOC_STAT=y CONFIG_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_IDLE_PAGE_TRACKING=y -CONFIG_PCI=y -CONFIG_HOTPLUG_PCI=y -CONFIG_HOTPLUG_PCI_S390=y -CONFIG_CHSC_SCH=y -CONFIG_VFIO_AP=m -CONFIG_VFIO_CCW=m -CONFIG_CRASH_DUMP=y -CONFIG_BINFMT_MISC=m -CONFIG_HIBERNATION=y -CONFIG_PM_DEBUG=y +CONFIG_PERCPU_STATS=y +CONFIG_GUP_BENCHMARK=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_PACKET_DIAG=m @@ -119,9 +123,6 @@ CONFIG_NET_IPVTI=m CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m -CONFIG_INET_XFRM_MODE_TRANSPORT=m -CONFIG_INET_XFRM_MODE_TUNNEL=m -CONFIG_INET_XFRM_MODE_BEET=m CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_TCP_CONG_ADVANCED=y @@ -137,10 +138,6 @@ CONFIG_INET6_AH=m CONFIG_INET6_ESP=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_MIP6=m -CONFIG_INET6_XFRM_MODE_TRANSPORT=m -CONFIG_INET6_XFRM_MODE_TUNNEL=m -CONFIG_INET6_XFRM_MODE_BEET=m -CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m CONFIG_IPV6_VTI=m CONFIG_IPV6_SIT=m CONFIG_IPV6_GRE=m @@ -262,11 +259,8 @@ CONFIG_IP_VS_SED=m CONFIG_IP_VS_NQ=m CONFIG_IP_VS_FTP=m CONFIG_IP_VS_PE_SIP=m -CONFIG_NF_CONNTRACK_IPV4=m CONFIG_NF_TABLES_IPV4=y -CONFIG_NFT_CHAIN_ROUTE_IPV4=m CONFIG_NF_TABLES_ARP=y -CONFIG_NFT_CHAIN_NAT_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -285,10 +279,7 @@ CONFIG_IP_NF_SECURITY=m CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m -CONFIG_NF_CONNTRACK_IPV6=m CONFIG_NF_TABLES_IPV6=y -CONFIG_NFT_CHAIN_ROUTE_IPV6=m -CONFIG_NFT_CHAIN_NAT_IPV6=m CONFIG_IP6_NF_IPTABLES=m CONFIG_IP6_NF_MATCH_AH=m CONFIG_IP6_NF_MATCH_EUI64=m @@ -307,7 +298,7 @@ CONFIG_IP6_NF_RAW=m CONFIG_IP6_NF_SECURITY=m CONFIG_IP6_NF_NAT=m CONFIG_IP6_NF_TARGET_MASQUERADE=m -CONFIG_NF_TABLES_BRIDGE=y +CONFIG_NF_TABLES_BRIDGE=m CONFIG_RDS=m CONFIG_RDS_RDMA=m CONFIG_RDS_TCP=m @@ -372,9 +363,11 @@ CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m +CONFIG_PCI=y +CONFIG_HOTPLUG_PCI=y +CONFIG_HOTPLUG_PCI_S390=y +CONFIG_UEVENT_HELPER=y CONFIG_DEVTMPFS=y -CONFIG_DMA_CMA=y -CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CONNECTOR=y CONFIG_ZRAM=m CONFIG_BLK_DEV_LOOP=m @@ -383,6 +376,7 @@ CONFIG_BLK_DEV_DRBD=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=32768 +# CONFIG_BLK_DEV_XPRAM is not set CONFIG_VIRTIO_BLK=y CONFIG_BLK_DEV_RBD=m CONFIG_BLK_DEV_NVME=m @@ -392,7 +386,6 @@ CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_ST=m -CONFIG_CHR_DEV_OSST=m CONFIG_BLK_DEV_SR=m CONFIG_CHR_DEV_SG=y CONFIG_CHR_DEV_SCH=m @@ -412,17 +405,19 @@ CONFIG_SCSI_DH_RDAC=m CONFIG_SCSI_DH_HP_SW=m CONFIG_SCSI_DH_EMC=m CONFIG_SCSI_DH_ALUA=m -CONFIG_SCSI_OSD_INITIATOR=m -CONFIG_SCSI_OSD_ULD=m CONFIG_MD=y CONFIG_BLK_DEV_MD=y CONFIG_MD_LINEAR=m CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m +CONFIG_MD_CLUSTER=m +CONFIG_BCACHE=m CONFIG_BLK_DEV_DM=m +CONFIG_DM_UNSTRIPED=m CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m +CONFIG_DM_WRITECACHE=m CONFIG_DM_MIRROR=m CONFIG_DM_LOG_USERSPACE=m CONFIG_DM_RAID=m @@ -435,6 +430,7 @@ CONFIG_DM_UEVENT=y CONFIG_DM_FLAKEY=m CONFIG_DM_VERITY=m CONFIG_DM_SWITCH=m +CONFIG_DM_INTEGRITY=m CONFIG_NETDEVICES=y CONFIG_BONDING=m CONFIG_DUMMY=m @@ -442,23 +438,78 @@ CONFIG_EQUALIZER=m CONFIG_IFB=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m -CONFIG_VXLAN=m CONFIG_TUN=m CONFIG_VETH=m CONFIG_VIRTIO_NET=m CONFIG_NLMON=m +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_NET_VENDOR_ADAPTEC is not set +# CONFIG_NET_VENDOR_AGERE is not set +# CONFIG_NET_VENDOR_ALACRITECH is not set +# CONFIG_NET_VENDOR_ALTEON is not set +# CONFIG_NET_VENDOR_AMAZON is not set +# CONFIG_NET_VENDOR_AMD is not set +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set +# CONFIG_NET_VENDOR_ATHEROS is not set +# CONFIG_NET_VENDOR_AURORA is not set +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_BROCADE is not set +# CONFIG_NET_VENDOR_CADENCE is not set +# CONFIG_NET_VENDOR_CAVIUM is not set # CONFIG_NET_VENDOR_CHELSIO is not set +# CONFIG_NET_VENDOR_CISCO is not set +# CONFIG_NET_VENDOR_CORTINA is not set +# CONFIG_NET_VENDOR_DEC is not set +# CONFIG_NET_VENDOR_DLINK is not set +# CONFIG_NET_VENDOR_EMULEX is not set +# CONFIG_NET_VENDOR_EZCHIP is not set +# CONFIG_NET_VENDOR_GOOGLE is not set +# CONFIG_NET_VENDOR_HP is not set +# CONFIG_NET_VENDOR_HUAWEI is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m CONFIG_MLX5_CORE=m CONFIG_MLX5_CORE_EN=y +# CONFIG_MLXFW is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_MICROCHIP is not set +# CONFIG_NET_VENDOR_MICROSEMI is not set +# CONFIG_NET_VENDOR_MYRI is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETERION is not set +# CONFIG_NET_VENDOR_NETRONOME is not set +# CONFIG_NET_VENDOR_NI is not set +# CONFIG_NET_VENDOR_NVIDIA is not set +# CONFIG_NET_VENDOR_OKI is not set +# CONFIG_NET_VENDOR_PACKET_ENGINES is not set +# CONFIG_NET_VENDOR_QLOGIC is not set +# CONFIG_NET_VENDOR_QUALCOMM is not set +# CONFIG_NET_VENDOR_RDC is not set +# CONFIG_NET_VENDOR_REALTEK is not set +# CONFIG_NET_VENDOR_RENESAS is not set +# CONFIG_NET_VENDOR_ROCKER is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_SOLARFLARE is not set +# CONFIG_NET_VENDOR_SILAN is not set +# CONFIG_NET_VENDOR_SIS is not set +# CONFIG_NET_VENDOR_SMSC is not set +# CONFIG_NET_VENDOR_SOCIONEXT is not set +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_NET_VENDOR_SUN is not set +# CONFIG_NET_VENDOR_SYNOPSYS is not set +# CONFIG_NET_VENDOR_TEHUTI is not set +# CONFIG_NET_VENDOR_TI is not set +# CONFIG_NET_VENDOR_VIA is not set +# CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m CONFIG_PPP_DEFLATE=m +CONFIG_PPP_FILTER=y CONFIG_PPP_MPPE=m +CONFIG_PPP_MULTILINK=y CONFIG_PPPOE=m CONFIG_PPTP=m CONFIG_PPPOL2TP=m @@ -470,17 +521,21 @@ CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set CONFIG_LEGACY_PTY_COUNT=0 +CONFIG_NULL_TTY=m CONFIG_HW_RANDOM_VIRTIO=m CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m CONFIG_TN3270_FS=y +# CONFIG_PTP_1588_CLOCK is not set # CONFIG_HWMON is not set CONFIG_WATCHDOG=y +CONFIG_WATCHDOG_CORE=y CONFIG_WATCHDOG_NOWAYOUT=y CONFIG_SOFT_WATCHDOG=m CONFIG_DIAG288_WATCHDOG=m CONFIG_DRM=y CONFIG_DRM_VIRTIO_GPU=y +# CONFIG_BACKLIGHT_CLASS_DEVICE is not set CONFIG_FRAMEBUFFER_CONSOLE=y # CONFIG_HID is not set # CONFIG_USB_SUPPORT is not set @@ -495,8 +550,8 @@ CONFIG_VFIO_MDEV_DEVICE=m CONFIG_VIRTIO_PCI=m CONFIG_VIRTIO_BALLOON=m CONFIG_VIRTIO_INPUT=y -CONFIG_S390_AP_IOMMU=y CONFIG_S390_CCW_IOMMU=y +CONFIG_S390_AP_IOMMU=y CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_EXT4_FS_SECURITY=y @@ -546,8 +601,10 @@ CONFIG_ECRYPT_FS=m CONFIG_CRAMFS=m CONFIG_SQUASHFS=m CONFIG_SQUASHFS_XATTR=y +CONFIG_SQUASHFS_LZ4=y CONFIG_SQUASHFS_LZO=y CONFIG_SQUASHFS_XZ=y +CONFIG_SQUASHFS_ZSTD=y CONFIG_ROMFS_FS=m CONFIG_NFS_FS=m CONFIG_NFS_V3_ACL=y @@ -558,7 +615,6 @@ CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y CONFIG_CIFS=m -CONFIG_CIFS_STATS=y CONFIG_CIFS_STATS2=y CONFIG_CIFS_WEAK_PW_HASH=y CONFIG_CIFS_UPCALL=y @@ -574,31 +630,7 @@ CONFIG_NLS_ISO8859_1=m CONFIG_NLS_ISO8859_15=m CONFIG_NLS_UTF8=m CONFIG_DLM=m -CONFIG_PRINTK_TIME=y -CONFIG_DEBUG_INFO=y -CONFIG_DEBUG_INFO_DWARF4=y -CONFIG_GDB_SCRIPTS=y -# CONFIG_ENABLE_MUST_CHECK is not set -CONFIG_FRAME_WARN=1024 -CONFIG_UNUSED_SYMBOLS=y -CONFIG_MAGIC_SYSRQ=y -CONFIG_DEBUG_MEMORY_INIT=y -CONFIG_PANIC_ON_OOPS=y -CONFIG_RCU_TORTURE_TEST=m -CONFIG_RCU_CPU_STALL_TIMEOUT=60 -CONFIG_LATENCYTOP=y -CONFIG_SCHED_TRACER=y -CONFIG_FTRACE_SYSCALLS=y -CONFIG_STACK_TRACER=y -CONFIG_BLK_DEV_IO_TRACE=y -CONFIG_FUNCTION_PROFILER=y -CONFIG_HIST_TRIGGERS=y -CONFIG_LKDTM=m -CONFIG_PERCPU_TEST=m -CONFIG_ATOMIC64_SELFTEST=y -CONFIG_TEST_BPF=m -CONFIG_BUG_ON_DATA_CORRUPTION=y -CONFIG_S390_PTDUMP=y +CONFIG_UNICODE=y CONFIG_PERSISTENT_KEYRINGS=y CONFIG_BIG_KEYS=y CONFIG_ENCRYPTED_KEYS=m @@ -606,7 +638,6 @@ CONFIG_SECURITY=y CONFIG_SECURITY_NETWORK=y CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y -CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0 CONFIG_SECURITY_SELINUX_DISABLE=y CONFIG_INTEGRITY_SIGNATURE=y CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y @@ -615,31 +646,42 @@ CONFIG_IMA_DEFAULT_HASH_SHA256=y CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA_APPRAISE=y CONFIG_CRYPTO_FIPS=y -CONFIG_CRYPTO_DH=m -CONFIG_CRYPTO_ECDH=m CONFIG_CRYPTO_USER=m # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_TEST=m +CONFIG_CRYPTO_DH=m +CONFIG_CRYPTO_ECDH=m +CONFIG_CRYPTO_ECRDSA=m CONFIG_CRYPTO_CHACHA20POLY1305=m +CONFIG_CRYPTO_AEGIS128=m +CONFIG_CRYPTO_AEGIS128L=m +CONFIG_CRYPTO_AEGIS256=m +CONFIG_CRYPTO_MORUS640=m +CONFIG_CRYPTO_MORUS1280=m +CONFIG_CRYPTO_CFB=m CONFIG_CRYPTO_LRW=m +CONFIG_CRYPTO_OFB=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_ADIANTUM=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m +CONFIG_CRYPTO_XXHASH=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD128=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_RMD256=m CONFIG_CRYPTO_RMD320=m -CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m +CONFIG_CRYPTO_ARC4=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m CONFIG_CRYPTO_CAST5=m @@ -649,16 +691,19 @@ CONFIG_CRYPTO_KHAZAD=m CONFIG_CRYPTO_SALSA20=m CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m +CONFIG_CRYPTO_SM4=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m +CONFIG_CRYPTO_ZSTD=m CONFIG_CRYPTO_ANSI_CPRNG=m CONFIG_CRYPTO_USER_API_HASH=m CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m +CONFIG_CRYPTO_STATS=y CONFIG_ZCRYPT=m CONFIG_PKEY=m CONFIG_CRYPTO_PAES_S390=m @@ -669,12 +714,34 @@ CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m CONFIG_CRYPTO_GHASH_S390=m CONFIG_CRYPTO_CRC32_S390=y +CONFIG_CORDIC=m +CONFIG_CRC4=m CONFIG_CRC7=m CONFIG_CRC8=m -CONFIG_CORDIC=m -CONFIG_CMM=m -CONFIG_APPLDATA_BASE=y -CONFIG_KVM=m -CONFIG_KVM_S390_UCONTROL=y -CONFIG_VHOST_NET=m -CONFIG_VHOST_VSOCK=m +CONFIG_DMA_CMA=y +CONFIG_CMA_SIZE_MBYTES=0 +CONFIG_PRINTK_TIME=y +CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_INFO_DWARF4=y +CONFIG_GDB_SCRIPTS=y +CONFIG_FRAME_WARN=1024 +CONFIG_UNUSED_SYMBOLS=y +CONFIG_DEBUG_SECTION_MISMATCH=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_MEMORY_INIT=y +CONFIG_PANIC_ON_OOPS=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_RCU_CPU_STALL_TIMEOUT=60 +CONFIG_LATENCYTOP=y +CONFIG_SCHED_TRACER=y +CONFIG_FTRACE_SYSCALLS=y +CONFIG_STACK_TRACER=y +CONFIG_BLK_DEV_IO_TRACE=y +CONFIG_FUNCTION_PROFILER=y +CONFIG_HIST_TRIGGERS=y +CONFIG_LKDTM=m +CONFIG_PERCPU_TEST=m +CONFIG_ATOMIC64_SELFTEST=y +CONFIG_TEST_BPF=m +CONFIG_BUG_ON_DATA_CORRUPTION=y +CONFIG_S390_PTDUMP=y diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig index d92bab844b73..be09a208b608 100644 --- a/arch/s390/configs/zfcpdump_defconfig +++ b/arch/s390/configs/zfcpdump_defconfig @@ -1,27 +1,33 @@ # CONFIG_SWAP is not set CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y +# CONFIG_CPU_ISOLATION is not set +# CONFIG_UTS_NS is not set +# CONFIG_PID_NS is not set +# CONFIG_NET_NS is not set CONFIG_BLK_DEV_INITRD=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_COMPAT_BRK is not set -CONFIG_PARTITION_ADVANCED=y -CONFIG_IBM_PARTITION=y -CONFIG_DEFAULT_DEADLINE=y CONFIG_TUNE_ZEC12=y # CONFIG_COMPAT is not set CONFIG_NR_CPUS=2 -# CONFIG_HOTPLUG_CPU is not set CONFIG_HZ_100=y # CONFIG_ARCH_RANDOM is not set -# CONFIG_COMPACTION is not set -# CONFIG_MIGRATION is not set -# CONFIG_BOUNCE is not set -# CONFIG_CHECK_STACK is not set +# CONFIG_RELOCATABLE is not set # CONFIG_CHSC_SCH is not set # CONFIG_SCM_BUS is not set CONFIG_CRASH_DUMP=y -# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set # CONFIG_SECCOMP is not set +# CONFIG_PFAULT is not set +# CONFIG_S390_HYPFS_FS is not set +# CONFIG_VIRTUALIZATION is not set +# CONFIG_S390_GUEST is not set +CONFIG_PARTITION_ADVANCED=y +CONFIG_IBM_PARTITION=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_COMPACTION is not set +# CONFIG_MIGRATION is not set +# CONFIG_BOUNCE is not set CONFIG_NET=y # CONFIG_IUCV is not set CONFIG_DEVTMPFS=y @@ -43,7 +49,6 @@ CONFIG_ZFCP=y # CONFIG_HVC_IUCV is not set # CONFIG_HW_RANDOM_S390 is not set CONFIG_RAW_DRIVER=y -# CONFIG_SCLP_ASYNC is not set # CONFIG_HMC_DRV is not set # CONFIG_S390_TAPE is not set # CONFIG_VMCP is not set @@ -56,6 +61,7 @@ CONFIG_RAW_DRIVER=y CONFIG_CONFIGFS_FS=y # CONFIG_MISC_FILESYSTEMS is not set # CONFIG_NETWORK_FILESYSTEMS is not set +# CONFIG_DIMLIB is not set CONFIG_PRINTK_TIME=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_FS=y @@ -64,7 +70,4 @@ CONFIG_PANIC_ON_OOPS=y # CONFIG_SCHED_DEBUG is not set CONFIG_RCU_CPU_STALL_TIMEOUT=60 # CONFIG_FTRACE is not set -# CONFIG_PFAULT is not set -# CONFIG_S390_HYPFS_FS is not set -# CONFIG_VIRTUALIZATION is not set -# CONFIG_S390_GUEST is not set +# CONFIG_RUNTIME_TESTING_MENU is not set diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index db5ef22c46e4..f647d565bd6d 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -28,7 +28,7 @@ * @sliba: storage list information block address * @sla: storage list address * @slsba: storage list state block address - * @akey: access key for DLIB + * @akey: access key for SLIB * @bkey: access key for SL * @ckey: access key for SBALs * @dkey: access key for SLSB @@ -50,11 +50,10 @@ struct qdesfmt0 { /** * struct qdr - queue description record (QDR) * @qfmt: queue format - * @pfmt: implementation dependent parameter format * @ac: adapter characteristics * @iqdcnt: input queue descriptor count * @oqdcnt: output queue descriptor count - * @iqdsz: inpout queue descriptor size + * @iqdsz: input queue descriptor size * @oqdsz: output queue descriptor size * @qiba: queue information block address * @qkey: queue information block key @@ -62,8 +61,7 @@ struct qdesfmt0 { */ struct qdr { u32 qfmt : 8; - u32 pfmt : 8; - u32 : 8; + u32 : 16; u32 ac : 8; u32 : 8; u32 iqdcnt : 8; @@ -327,6 +325,7 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, * struct qdio_initialize - qdio initialization data * @cdev: associated ccw device * @q_format: queue format + * @qdr_ac: feature flags to set * @adapter_name: name for the adapter * @qib_param_field_format: format for qib_parm_field * @qib_param_field: pointer to 128 bytes or NULL, if no param field @@ -338,6 +337,7 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, * @input_handler: handler to be called for input queues * @output_handler: handler to be called for output queues * @queue_start_poll_array: polling handlers (one per input queue or NULL) + * @scan_threshold: # of in-use buffers that triggers scan on output queue * @int_parm: interruption parameter * @input_sbal_addr_array: address of no_input_qs * 128 pointers * @output_sbal_addr_array: address of no_output_qs * 128 pointers diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index c5cfff7b1f91..70bd65724ec4 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -84,6 +84,7 @@ extern int noexec_disabled; extern int memory_end_set; extern unsigned long memory_end; extern unsigned long max_physmem_end; +extern unsigned long __swsusp_reset_dma; #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c index ac06c3949ab3..34bdc60c0b11 100644 --- a/arch/s390/kernel/dumpstack.c +++ b/arch/s390/kernel/dumpstack.c @@ -114,12 +114,8 @@ recursion_check: * If it comes up a second time then there's something wrong going on: * just break out and report an unknown stack type. */ - if (*visit_mask & (1UL << info->type)) { - printk_deferred_once(KERN_WARNING - "WARNING: stack recursion on stack type %d\n", - info->type); + if (*visit_mask & (1UL << info->type)) goto unknown; - } *visit_mask |= 1UL << info->type; return 0; unknown: diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 5aea1a527443..f384a18e6c26 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -60,12 +60,5 @@ ENTRY(startup_continue) .align 16 .LPG1: -.Lpcmsk:.quad 0x0000000180000000 -.L4malign:.quad 0xffffffffffc00000 -.Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 -.Lnop: .long 0x07000700 -.Lparmaddr: - .quad PARMAREA - .align 64 .Ldw: .quad 0x0002000180000000,0x0000000000000000 .Laregs:.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 2c0a515428d6..6837affc19e8 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -31,7 +31,6 @@ #include <asm/os_info.h> #include <asm/sections.h> #include <asm/boot_data.h> -#include <asm/uv.h> #include "entry.h" #define IPL_PARM_BLOCK_VERSION 0 @@ -892,21 +891,15 @@ static void __reipl_run(void *unused) { switch (reipl_type) { case IPL_TYPE_CCW: - uv_set_shared(__pa(reipl_block_ccw)); diag308(DIAG308_SET, reipl_block_ccw); - uv_remove_shared(__pa(reipl_block_ccw)); diag308(DIAG308_LOAD_CLEAR, NULL); break; case IPL_TYPE_FCP: - uv_set_shared(__pa(reipl_block_fcp)); diag308(DIAG308_SET, reipl_block_fcp); - uv_remove_shared(__pa(reipl_block_fcp)); diag308(DIAG308_LOAD_CLEAR, NULL); break; case IPL_TYPE_NSS: - uv_set_shared(__pa(reipl_block_nss)); diag308(DIAG308_SET, reipl_block_nss); - uv_remove_shared(__pa(reipl_block_nss)); diag308(DIAG308_LOAD_CLEAR, NULL); break; case IPL_TYPE_UNKNOWN: @@ -1176,9 +1169,7 @@ static struct kset *dump_kset; static void diag308_dump(void *dump_block) { - uv_set_shared(__pa(dump_block)); diag308(DIAG308_SET, dump_block); - uv_remove_shared(__pa(dump_block)); while (1) { if (diag308(DIAG308_LOAD_NORMAL_DUMP, NULL) != 0x302) break; diff --git a/arch/s390/kernel/machine_kexec_reloc.c b/arch/s390/kernel/machine_kexec_reloc.c index 1dded39239f8..3b664cb3ec4d 100644 --- a/arch/s390/kernel/machine_kexec_reloc.c +++ b/arch/s390/kernel/machine_kexec_reloc.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/elf.h> +#include <asm/kexec.h> int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val, unsigned long addr) diff --git a/arch/s390/kernel/perf_cpum_cf_diag.c b/arch/s390/kernel/perf_cpum_cf_diag.c index d4e031f7b9c8..5f1fd1581330 100644 --- a/arch/s390/kernel/perf_cpum_cf_diag.c +++ b/arch/s390/kernel/perf_cpum_cf_diag.c @@ -34,7 +34,7 @@ struct cf_diag_csd { /* Counter set data per CPU */ unsigned char start[PAGE_SIZE]; /* Counter set at event start */ unsigned char data[PAGE_SIZE]; /* Counter set at event delete */ }; -DEFINE_PER_CPU(struct cf_diag_csd, cf_diag_csd); +static DEFINE_PER_CPU(struct cf_diag_csd, cf_diag_csd); /* Counter sets are stored as data stream in a page sized memory buffer and * exported to user space via raw data attached to the event sample data. diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 2b94b0ad3588..253177900950 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -1114,8 +1114,7 @@ void __init setup_arch(char **cmdline_p) ROOT_DEV = Root_RAM0; - /* Is init_mm really needed? */ - init_mm.start_code = PAGE_OFFSET; + init_mm.start_code = (unsigned long) _text; init_mm.end_code = (unsigned long) _etext; init_mm.end_data = (unsigned long) _edata; init_mm.brk = (unsigned long) _end; diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index 243d8b1185bf..c6bc190f3c28 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -216,11 +216,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) if (!vdso_enabled) return 0; - /* - * Only map the vdso for dynamically linked elf binaries. - */ - if (!uses_interp) - return 0; vdso_pages = vdso64_pages; #ifdef CONFIG_COMPAT_VDSO diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 49d55327de0b..7e0eb4020917 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -32,10 +32,9 @@ PHDRS { SECTIONS { . = 0x100000; - _stext = .; /* Start of text section */ .text : { - /* Text and read-only data */ - _text = .; + _stext = .; /* Start of text section */ + _text = .; /* Text and read-only data */ HEAD_TEXT TEXT_TEXT SCHED_TEXT @@ -47,11 +46,10 @@ SECTIONS *(.text.*_indirect_*) *(.fixup) *(.gnu.warning) + . = ALIGN(PAGE_SIZE); + _etext = .; /* End of text section */ } :text = 0x0700 - . = ALIGN(PAGE_SIZE); - _etext = .; /* End of text section */ - NOTES :text :note .dummy : { *(.dummy) } :data diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 3f520cd837fb..f329dcb3f44c 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2516,16 +2516,6 @@ out_err: return rc; } -bool kvm_arch_has_vcpu_debugfs(void) -{ - return false; -} - -int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) -{ - return 0; -} - void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) { VCPU_EVENT(vcpu, 3, "%s", "free cpu"); diff --git a/arch/s390/lib/xor.c b/arch/s390/lib/xor.c index 96580590ccaf..29d9470dbceb 100644 --- a/arch/s390/lib/xor.c +++ b/arch/s390/lib/xor.c @@ -9,6 +9,7 @@ #include <linux/types.h> #include <linux/export.h> #include <linux/raid/xor.h> +#include <asm/xor.h> static void xor_xc_2(unsigned long bytes, unsigned long *p1, unsigned long *p2) { diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c index 3b93ba0b5d8d..5d67b81c704a 100644 --- a/arch/s390/mm/dump_pagetables.c +++ b/arch/s390/mm/dump_pagetables.c @@ -161,9 +161,9 @@ static void walk_pmd_level(struct seq_file *m, struct pg_state *st, } #endif - for (i = 0; i < PTRS_PER_PMD && addr < max_addr; i++) { + pmd = pmd_offset(pud, addr); + for (i = 0; i < PTRS_PER_PMD && addr < max_addr; i++, pmd++) { st->current_address = addr; - pmd = pmd_offset(pud, addr); if (!pmd_none(*pmd)) { if (pmd_large(*pmd)) { prot = pmd_val(*pmd) & @@ -192,9 +192,9 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, } #endif - for (i = 0; i < PTRS_PER_PUD && addr < max_addr; i++) { + pud = pud_offset(p4d, addr); + for (i = 0; i < PTRS_PER_PUD && addr < max_addr; i++, pud++) { st->current_address = addr; - pud = pud_offset(p4d, addr); if (!pud_none(*pud)) if (pud_large(*pud)) { prot = pud_val(*pud) & @@ -222,9 +222,9 @@ static void walk_p4d_level(struct seq_file *m, struct pg_state *st, } #endif - for (i = 0; i < PTRS_PER_P4D && addr < max_addr; i++) { + p4d = p4d_offset(pgd, addr); + for (i = 0; i < PTRS_PER_P4D && addr < max_addr; i++, p4d++) { st->current_address = addr; - p4d = p4d_offset(pgd, addr); if (!p4d_none(*p4d)) walk_pud_level(m, st, p4d, addr); else diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 63507662828f..7b0bb475c166 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -327,6 +327,7 @@ static noinline void do_fault_error(struct pt_regs *regs, int access, case VM_FAULT_BADACCESS: if (access == VM_EXEC && signal_return(regs) == 0) break; + /* fallthrough */ case VM_FAULT_BADMAP: /* Bad memory access. Check if it is kernel or user space. */ if (user_mode(regs)) { @@ -336,7 +337,9 @@ static noinline void do_fault_error(struct pt_regs *regs, int access, do_sigsegv(regs, si_code); break; } + /* fallthrough */ case VM_FAULT_BADCONTEXT: + /* fallthrough */ case VM_FAULT_PFAULT: do_no_context(regs); break; diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index 1e668b95e0c6..39c3a6e3d262 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -2424,8 +2424,8 @@ EXPORT_SYMBOL_GPL(gmap_pmdp_idte_global); * This function is assumed to be called with the guest_table_lock * held. */ -bool gmap_test_and_clear_dirty_pmd(struct gmap *gmap, pmd_t *pmdp, - unsigned long gaddr) +static bool gmap_test_and_clear_dirty_pmd(struct gmap *gmap, pmd_t *pmdp, + unsigned long gaddr) { if (pmd_val(*pmdp) & _SEGMENT_ENTRY_INVALID) return false; diff --git a/arch/s390/scripts/Makefile.chkbss b/arch/s390/scripts/Makefile.chkbss index 884a9caff5fb..f4f4c2c6dee9 100644 --- a/arch/s390/scripts/Makefile.chkbss +++ b/arch/s390/scripts/Makefile.chkbss @@ -11,8 +11,7 @@ chkbss: $(addprefix $(obj)/, $(chkbss-files)) quiet_cmd_chkbss = CHKBSS $< cmd_chkbss = \ - if $(OBJDUMP) -h $< | grep -q "\.bss" && \ - ! $(OBJDUMP) -j .bss -w -h $< | awk 'END { if ($$3) exit 1 }'; then \ + if ! $(OBJSIZE) --common $< | $(AWK) 'END { if ($$3) exit 1 }'; then \ echo "error: $< .bss section is not empty" >&2; exit 1; \ fi; \ touch $@; diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h index 830bd984182b..515c0ceeb4a3 100644 --- a/arch/x86/entry/calling.h +++ b/arch/x86/entry/calling.h @@ -314,6 +314,23 @@ For 32-bit we have the following conventions - kernel is built with #endif +/* + * Mitigate Spectre v1 for conditional swapgs code paths. + * + * FENCE_SWAPGS_USER_ENTRY is used in the user entry swapgs code path, to + * prevent a speculative swapgs when coming from kernel space. + * + * FENCE_SWAPGS_KERNEL_ENTRY is used in the kernel entry non-swapgs code path, + * to prevent the swapgs from getting speculatively skipped when coming from + * user space. + */ +.macro FENCE_SWAPGS_USER_ENTRY + ALTERNATIVE "", "lfence", X86_FEATURE_FENCE_SWAPGS_USER +.endm +.macro FENCE_SWAPGS_KERNEL_ENTRY + ALTERNATIVE "", "lfence", X86_FEATURE_FENCE_SWAPGS_KERNEL +.endm + .macro STACKLEAK_ERASE_NOCLOBBER #ifdef CONFIG_GCC_PLUGIN_STACKLEAK PUSH_AND_CLEAR_REGS diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 3f5a978a02a7..be9ca198c581 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -519,7 +519,7 @@ ENTRY(interrupt_entry) testb $3, CS-ORIG_RAX+8(%rsp) jz 1f SWAPGS - + FENCE_SWAPGS_USER_ENTRY /* * Switch to the thread stack. The IRET frame and orig_ax are * on the stack, as well as the return address. RDI..R12 are @@ -549,8 +549,10 @@ ENTRY(interrupt_entry) UNWIND_HINT_FUNC movq (%rdi), %rdi + jmp 2f 1: - + FENCE_SWAPGS_KERNEL_ENTRY +2: PUSH_AND_CLEAR_REGS save_ret=1 ENCODE_FRAME_POINTER 8 @@ -1238,6 +1240,13 @@ ENTRY(paranoid_entry) */ SAVE_AND_SWITCH_TO_KERNEL_CR3 scratch_reg=%rax save_reg=%r14 + /* + * The above SAVE_AND_SWITCH_TO_KERNEL_CR3 macro doesn't do an + * unconditional CR3 write, even in the PTI case. So do an lfence + * to prevent GS speculation, regardless of whether PTI is enabled. + */ + FENCE_SWAPGS_KERNEL_ENTRY + ret END(paranoid_entry) @@ -1288,6 +1297,7 @@ ENTRY(error_entry) * from user mode due to an IRET fault. */ SWAPGS + FENCE_SWAPGS_USER_ENTRY /* We have user CR3. Change to kernel CR3. */ SWITCH_TO_KERNEL_CR3 scratch_reg=%rax @@ -1301,6 +1311,8 @@ ENTRY(error_entry) pushq %r12 ret +.Lerror_entry_done_lfence: + FENCE_SWAPGS_KERNEL_ENTRY .Lerror_entry_done: ret @@ -1318,7 +1330,7 @@ ENTRY(error_entry) cmpq %rax, RIP+8(%rsp) je .Lbstep_iret cmpq $.Lgs_change, RIP+8(%rsp) - jne .Lerror_entry_done + jne .Lerror_entry_done_lfence /* * hack: .Lgs_change can fail with user gsbase. If this happens, fix up @@ -1326,6 +1338,7 @@ ENTRY(error_entry) * .Lgs_change's error handler with kernel gsbase. */ SWAPGS + FENCE_SWAPGS_USER_ENTRY SWITCH_TO_KERNEL_CR3 scratch_reg=%rax jmp .Lerror_entry_done @@ -1340,6 +1353,7 @@ ENTRY(error_entry) * gsbase and CR3. Switch to kernel gsbase and CR3: */ SWAPGS + FENCE_SWAPGS_USER_ENTRY SWITCH_TO_KERNEL_CR3 scratch_reg=%rax /* @@ -1431,6 +1445,7 @@ ENTRY(nmi) swapgs cld + FENCE_SWAPGS_USER_ENTRY SWITCH_TO_KERNEL_CR3 scratch_reg=%rdx movq %rsp, %rdx movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 998c2cc08363..e880f2408e29 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -281,6 +281,8 @@ #define X86_FEATURE_CQM_OCCUP_LLC (11*32+ 1) /* LLC occupancy monitoring */ #define X86_FEATURE_CQM_MBM_TOTAL (11*32+ 2) /* LLC Total MBM monitoring */ #define X86_FEATURE_CQM_MBM_LOCAL (11*32+ 3) /* LLC Local MBM monitoring */ +#define X86_FEATURE_FENCE_SWAPGS_USER (11*32+ 4) /* "" LFENCE in user entry SWAPGS path */ +#define X86_FEATURE_FENCE_SWAPGS_KERNEL (11*32+ 5) /* "" LFENCE in kernel entry SWAPGS path */ /* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */ #define X86_FEATURE_AVX512_BF16 (12*32+ 5) /* AVX512 BFLOAT16 instructions */ @@ -394,5 +396,6 @@ #define X86_BUG_L1TF X86_BUG(18) /* CPU is affected by L1 Terminal Fault */ #define X86_BUG_MDS X86_BUG(19) /* CPU is affected by Microarchitectural data sampling */ #define X86_BUG_MSBDS_ONLY X86_BUG(20) /* CPU is only affected by the MSDBS variant of BUG_MDS */ +#define X86_BUG_SWAPGS X86_BUG(21) /* CPU is affected by speculation through SWAPGS */ #endif /* _ASM_X86_CPUFEATURES_H */ diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 7b0a4ee77313..74e88e5edd9c 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -35,6 +35,8 @@ #include <asm/kvm_vcpu_regs.h> #include <asm/hyperv-tlfs.h> +#define __KVM_HAVE_ARCH_VCPU_DEBUGFS + #define KVM_MAX_VCPUS 288 #define KVM_SOFT_MAX_VCPUS 240 #define KVM_MAX_VCPU_ID 1023 @@ -1175,6 +1177,7 @@ struct kvm_x86_ops { int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq, uint32_t guest_irq, bool set); void (*apicv_post_state_restore)(struct kvm_vcpu *vcpu); + bool (*dy_apicv_has_pending_interrupt)(struct kvm_vcpu *vcpu); int (*set_hv_timer)(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc, bool *expired); diff --git a/arch/x86/include/asm/vdso/gettimeofday.h b/arch/x86/include/asm/vdso/gettimeofday.h index ae91429129a6..ba71a63cdac4 100644 --- a/arch/x86/include/asm/vdso/gettimeofday.h +++ b/arch/x86/include/asm/vdso/gettimeofday.h @@ -96,6 +96,8 @@ long clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts) #else +#define VDSO_HAS_32BIT_FALLBACK 1 + static __always_inline long clock_gettime_fallback(clockid_t _clkid, struct __kernel_timespec *_ts) { @@ -114,6 +116,23 @@ long clock_gettime_fallback(clockid_t _clkid, struct __kernel_timespec *_ts) } static __always_inline +long clock_gettime32_fallback(clockid_t _clkid, struct old_timespec32 *_ts) +{ + long ret; + + asm ( + "mov %%ebx, %%edx \n" + "mov %[clock], %%ebx \n" + "call __kernel_vsyscall \n" + "mov %%edx, %%ebx \n" + : "=a" (ret), "=m" (*_ts) + : "0" (__NR_clock_gettime), [clock] "g" (_clkid), "c" (_ts) + : "edx"); + + return ret; +} + +static __always_inline long gettimeofday_fallback(struct __kernel_old_timeval *_tv, struct timezone *_tz) { @@ -148,6 +167,23 @@ clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts) return ret; } +static __always_inline +long clock_getres32_fallback(clockid_t _clkid, struct old_timespec32 *_ts) +{ + long ret; + + asm ( + "mov %%ebx, %%edx \n" + "mov %[clock], %%ebx \n" + "call __kernel_vsyscall \n" + "mov %%edx, %%ebx \n" + : "=a" (ret), "=m" (*_ts) + : "0" (__NR_clock_getres), [clock] "g" (_clkid), "c" (_ts) + : "edx"); + + return ret; +} + #endif #ifdef CONFIG_PARAVIRT_CLOCK diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 801ecd1c3fd5..c6fa3ef10b4e 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -34,6 +34,7 @@ #include "cpu.h" +static void __init spectre_v1_select_mitigation(void); static void __init spectre_v2_select_mitigation(void); static void __init ssb_select_mitigation(void); static void __init l1tf_select_mitigation(void); @@ -98,17 +99,11 @@ void __init check_bugs(void) if (boot_cpu_has(X86_FEATURE_STIBP)) x86_spec_ctrl_mask |= SPEC_CTRL_STIBP; - /* Select the proper spectre mitigation before patching alternatives */ + /* Select the proper CPU mitigations before patching alternatives: */ + spectre_v1_select_mitigation(); spectre_v2_select_mitigation(); - - /* - * Select proper mitigation for any exposure to the Speculative Store - * Bypass vulnerability. - */ ssb_select_mitigation(); - l1tf_select_mitigation(); - mds_select_mitigation(); arch_smt_update(); @@ -274,6 +269,98 @@ static int __init mds_cmdline(char *str) early_param("mds", mds_cmdline); #undef pr_fmt +#define pr_fmt(fmt) "Spectre V1 : " fmt + +enum spectre_v1_mitigation { + SPECTRE_V1_MITIGATION_NONE, + SPECTRE_V1_MITIGATION_AUTO, +}; + +static enum spectre_v1_mitigation spectre_v1_mitigation __ro_after_init = + SPECTRE_V1_MITIGATION_AUTO; + +static const char * const spectre_v1_strings[] = { + [SPECTRE_V1_MITIGATION_NONE] = "Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers", + [SPECTRE_V1_MITIGATION_AUTO] = "Mitigation: usercopy/swapgs barriers and __user pointer sanitization", +}; + +/* + * Does SMAP provide full mitigation against speculative kernel access to + * userspace? + */ +static bool smap_works_speculatively(void) +{ + if (!boot_cpu_has(X86_FEATURE_SMAP)) + return false; + + /* + * On CPUs which are vulnerable to Meltdown, SMAP does not + * prevent speculative access to user data in the L1 cache. + * Consider SMAP to be non-functional as a mitigation on these + * CPUs. + */ + if (boot_cpu_has(X86_BUG_CPU_MELTDOWN)) + return false; + + return true; +} + +static void __init spectre_v1_select_mitigation(void) +{ + if (!boot_cpu_has_bug(X86_BUG_SPECTRE_V1) || cpu_mitigations_off()) { + spectre_v1_mitigation = SPECTRE_V1_MITIGATION_NONE; + return; + } + + if (spectre_v1_mitigation == SPECTRE_V1_MITIGATION_AUTO) { + /* + * With Spectre v1, a user can speculatively control either + * path of a conditional swapgs with a user-controlled GS + * value. The mitigation is to add lfences to both code paths. + * + * If FSGSBASE is enabled, the user can put a kernel address in + * GS, in which case SMAP provides no protection. + * + * [ NOTE: Don't check for X86_FEATURE_FSGSBASE until the + * FSGSBASE enablement patches have been merged. ] + * + * If FSGSBASE is disabled, the user can only put a user space + * address in GS. That makes an attack harder, but still + * possible if there's no SMAP protection. + */ + if (!smap_works_speculatively()) { + /* + * Mitigation can be provided from SWAPGS itself or + * PTI as the CR3 write in the Meltdown mitigation + * is serializing. + * + * If neither is there, mitigate with an LFENCE to + * stop speculation through swapgs. + */ + if (boot_cpu_has_bug(X86_BUG_SWAPGS) && + !boot_cpu_has(X86_FEATURE_PTI)) + setup_force_cpu_cap(X86_FEATURE_FENCE_SWAPGS_USER); + + /* + * Enable lfences in the kernel entry (non-swapgs) + * paths, to prevent user entry from speculatively + * skipping swapgs. + */ + setup_force_cpu_cap(X86_FEATURE_FENCE_SWAPGS_KERNEL); + } + } + + pr_info("%s\n", spectre_v1_strings[spectre_v1_mitigation]); +} + +static int __init nospectre_v1_cmdline(char *str) +{ + spectre_v1_mitigation = SPECTRE_V1_MITIGATION_NONE; + return 0; +} +early_param("nospectre_v1", nospectre_v1_cmdline); + +#undef pr_fmt #define pr_fmt(fmt) "Spectre V2 : " fmt static enum spectre_v2_mitigation spectre_v2_enabled __ro_after_init = @@ -1290,7 +1377,7 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr break; case X86_BUG_SPECTRE_V1: - return sprintf(buf, "Mitigation: __user pointer sanitization\n"); + return sprintf(buf, "%s\n", spectre_v1_strings[spectre_v1_mitigation]); case X86_BUG_SPECTRE_V2: return sprintf(buf, "%s%s%s%s%s%s\n", spectre_v2_strings[spectre_v2_enabled], diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 11472178e17f..f125bf7ecb6f 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1022,6 +1022,7 @@ static void identify_cpu_without_cpuid(struct cpuinfo_x86 *c) #define NO_L1TF BIT(3) #define NO_MDS BIT(4) #define MSBDS_ONLY BIT(5) +#define NO_SWAPGS BIT(6) #define VULNWL(_vendor, _family, _model, _whitelist) \ { X86_VENDOR_##_vendor, _family, _model, X86_FEATURE_ANY, _whitelist } @@ -1048,30 +1049,38 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = { VULNWL_INTEL(ATOM_BONNELL, NO_SPECULATION), VULNWL_INTEL(ATOM_BONNELL_MID, NO_SPECULATION), - VULNWL_INTEL(ATOM_SILVERMONT, NO_SSB | NO_L1TF | MSBDS_ONLY), - VULNWL_INTEL(ATOM_SILVERMONT_X, NO_SSB | NO_L1TF | MSBDS_ONLY), - VULNWL_INTEL(ATOM_SILVERMONT_MID, NO_SSB | NO_L1TF | MSBDS_ONLY), - VULNWL_INTEL(ATOM_AIRMONT, NO_SSB | NO_L1TF | MSBDS_ONLY), - VULNWL_INTEL(XEON_PHI_KNL, NO_SSB | NO_L1TF | MSBDS_ONLY), - VULNWL_INTEL(XEON_PHI_KNM, NO_SSB | NO_L1TF | MSBDS_ONLY), + VULNWL_INTEL(ATOM_SILVERMONT, NO_SSB | NO_L1TF | MSBDS_ONLY | NO_SWAPGS), + VULNWL_INTEL(ATOM_SILVERMONT_X, NO_SSB | NO_L1TF | MSBDS_ONLY | NO_SWAPGS), + VULNWL_INTEL(ATOM_SILVERMONT_MID, NO_SSB | NO_L1TF | MSBDS_ONLY | NO_SWAPGS), + VULNWL_INTEL(ATOM_AIRMONT, NO_SSB | NO_L1TF | MSBDS_ONLY | NO_SWAPGS), + VULNWL_INTEL(XEON_PHI_KNL, NO_SSB | NO_L1TF | MSBDS_ONLY | NO_SWAPGS), + VULNWL_INTEL(XEON_PHI_KNM, NO_SSB | NO_L1TF | MSBDS_ONLY | NO_SWAPGS), VULNWL_INTEL(CORE_YONAH, NO_SSB), - VULNWL_INTEL(ATOM_AIRMONT_MID, NO_L1TF | MSBDS_ONLY), + VULNWL_INTEL(ATOM_AIRMONT_MID, NO_L1TF | MSBDS_ONLY | NO_SWAPGS), - VULNWL_INTEL(ATOM_GOLDMONT, NO_MDS | NO_L1TF), - VULNWL_INTEL(ATOM_GOLDMONT_X, NO_MDS | NO_L1TF), - VULNWL_INTEL(ATOM_GOLDMONT_PLUS, NO_MDS | NO_L1TF), + VULNWL_INTEL(ATOM_GOLDMONT, NO_MDS | NO_L1TF | NO_SWAPGS), + VULNWL_INTEL(ATOM_GOLDMONT_X, NO_MDS | NO_L1TF | NO_SWAPGS), + VULNWL_INTEL(ATOM_GOLDMONT_PLUS, NO_MDS | NO_L1TF | NO_SWAPGS), + + /* + * Technically, swapgs isn't serializing on AMD (despite it previously + * being documented as such in the APM). But according to AMD, %gs is + * updated non-speculatively, and the issuing of %gs-relative memory + * operands will be blocked until the %gs update completes, which is + * good enough for our purposes. + */ /* AMD Family 0xf - 0x12 */ - VULNWL_AMD(0x0f, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS), - VULNWL_AMD(0x10, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS), - VULNWL_AMD(0x11, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS), - VULNWL_AMD(0x12, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS), + VULNWL_AMD(0x0f, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS), + VULNWL_AMD(0x10, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS), + VULNWL_AMD(0x11, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS), + VULNWL_AMD(0x12, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS), /* FAMILY_ANY must be last, otherwise 0x0f - 0x12 matches won't work */ - VULNWL_AMD(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS), - VULNWL_HYGON(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS), + VULNWL_AMD(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS | NO_SWAPGS), + VULNWL_HYGON(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS | NO_SWAPGS), {} }; @@ -1108,6 +1117,9 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c) setup_force_cpu_bug(X86_BUG_MSBDS_ONLY); } + if (!cpu_matches(NO_SWAPGS)) + setup_force_cpu_bug(X86_BUG_SWAPGS); + if (cpu_matches(NO_MELTDOWN)) return; diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index b7f34fe2171e..4ab377c9fffe 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -308,9 +308,6 @@ static notrace void kvm_guest_apic_eoi_write(u32 reg, u32 val) static void kvm_guest_cpu_init(void) { - if (!kvm_para_available()) - return; - if (kvm_para_has_feature(KVM_FEATURE_ASYNC_PF) && kvmapf) { u64 pa = slow_virt_to_phys(this_cpu_ptr(&apf_reason)); @@ -625,9 +622,6 @@ static void __init kvm_guest_init(void) { int i; - if (!kvm_para_available()) - return; - paravirt_ops_setup(); register_reboot_notifier(&kvm_pv_reboot_nb); for (i = 0; i < KVM_TASK_SLEEP_HASHSIZE; i++) @@ -848,8 +842,6 @@ asm( */ void __init kvm_spinlock_init(void) { - if (!kvm_para_available()) - return; /* Does host kernel support KVM_FEATURE_PV_UNHALT? */ if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT)) return; diff --git a/arch/x86/kvm/debugfs.c b/arch/x86/kvm/debugfs.c index 329361b69d5e..018aebce33ff 100644 --- a/arch/x86/kvm/debugfs.c +++ b/arch/x86/kvm/debugfs.c @@ -8,11 +8,6 @@ #include <linux/debugfs.h> #include "lapic.h" -bool kvm_arch_has_vcpu_debugfs(void) -{ - return true; -} - static int vcpu_get_timer_advance_ns(void *data, u64 *val) { struct kvm_vcpu *vcpu = (struct kvm_vcpu *) data; @@ -48,37 +43,22 @@ static int vcpu_get_tsc_scaling_frac_bits(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(vcpu_tsc_scaling_frac_fops, vcpu_get_tsc_scaling_frac_bits, NULL, "%llu\n"); -int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) +void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) { - struct dentry *ret; - - ret = debugfs_create_file("tsc-offset", 0444, - vcpu->debugfs_dentry, - vcpu, &vcpu_tsc_offset_fops); - if (!ret) - return -ENOMEM; + debugfs_create_file("tsc-offset", 0444, vcpu->debugfs_dentry, vcpu, + &vcpu_tsc_offset_fops); - if (lapic_in_kernel(vcpu)) { - ret = debugfs_create_file("lapic_timer_advance_ns", 0444, - vcpu->debugfs_dentry, - vcpu, &vcpu_timer_advance_ns_fops); - if (!ret) - return -ENOMEM; - } + if (lapic_in_kernel(vcpu)) + debugfs_create_file("lapic_timer_advance_ns", 0444, + vcpu->debugfs_dentry, vcpu, + &vcpu_timer_advance_ns_fops); if (kvm_has_tsc_control) { - ret = debugfs_create_file("tsc-scaling-ratio", 0444, - vcpu->debugfs_dentry, - vcpu, &vcpu_tsc_scaling_fops); - if (!ret) - return -ENOMEM; - ret = debugfs_create_file("tsc-scaling-ratio-frac-bits", 0444, - vcpu->debugfs_dentry, - vcpu, &vcpu_tsc_scaling_frac_fops); - if (!ret) - return -ENOMEM; - + debugfs_create_file("tsc-scaling-ratio", 0444, + vcpu->debugfs_dentry, vcpu, + &vcpu_tsc_scaling_fops); + debugfs_create_file("tsc-scaling-ratio-frac-bits", 0444, + vcpu->debugfs_dentry, vcpu, + &vcpu_tsc_scaling_frac_fops); } - - return 0; } diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 0aa158657f20..685d17c11461 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1548,7 +1548,6 @@ static void kvm_apic_inject_pending_timer_irqs(struct kvm_lapic *apic) static void apic_timer_expired(struct kvm_lapic *apic) { struct kvm_vcpu *vcpu = apic->vcpu; - struct swait_queue_head *q = &vcpu->wq; struct kvm_timer *ktimer = &apic->lapic_timer; if (atomic_read(&apic->lapic_timer.pending)) @@ -1566,13 +1565,6 @@ static void apic_timer_expired(struct kvm_lapic *apic) atomic_inc(&apic->lapic_timer.pending); kvm_set_pending_timer(vcpu); - - /* - * For x86, the atomic_inc() is serialized, thus - * using swait_active() is safe. - */ - if (swait_active(q)) - swake_up_one(q); } static void start_sw_tscdeadline(struct kvm_lapic *apic) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 7eafc6907861..d685491fce4d 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -5190,6 +5190,11 @@ static void svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec) kvm_vcpu_wake_up(vcpu); } +static bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu) +{ + return false; +} + static void svm_ir_list_del(struct vcpu_svm *svm, struct amd_iommu_pi_data *pi) { unsigned long flags; @@ -7314,6 +7319,7 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = { .pmu_ops = &amd_pmu_ops, .deliver_posted_interrupt = svm_deliver_avic_intr, + .dy_apicv_has_pending_interrupt = svm_dy_apicv_has_pending_interrupt, .update_pi_irte = svm_update_pi_irte, .setup_mce = svm_setup_mce, diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 074385c86c09..42ed3faa6af8 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6117,6 +6117,11 @@ static int vmx_sync_pir_to_irr(struct kvm_vcpu *vcpu) return max_irr; } +static bool vmx_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu) +{ + return pi_test_on(vcpu_to_pi_desc(vcpu)); +} + static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap) { if (!kvm_vcpu_apicv_active(vcpu)) @@ -7726,6 +7731,7 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = { .guest_apic_has_interrupt = vmx_guest_apic_has_interrupt, .sync_pir_to_irr = vmx_sync_pir_to_irr, .deliver_posted_interrupt = vmx_deliver_posted_interrupt, + .dy_apicv_has_pending_interrupt = vmx_dy_apicv_has_pending_interrupt, .set_tss_addr = vmx_set_tss_addr, .set_identity_map_addr = vmx_set_identity_map_addr, diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index c6d951cbd76c..93b0bd45ac73 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -9698,6 +9698,22 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) return kvm_vcpu_running(vcpu) || kvm_vcpu_has_events(vcpu); } +bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu) +{ + if (READ_ONCE(vcpu->arch.pv.pv_unhalted)) + return true; + + if (kvm_test_request(KVM_REQ_NMI, vcpu) || + kvm_test_request(KVM_REQ_SMI, vcpu) || + kvm_test_request(KVM_REQ_EVENT, vcpu)) + return true; + + if (vcpu->arch.apicv_active && kvm_x86_ops->dy_apicv_has_pending_interrupt(vcpu)) + return true; + + return false; +} + bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) { return vcpu->arch.preempted_in_kernel; diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S index 60c220020054..80828b95a51f 100644 --- a/arch/xtensa/kernel/coprocessor.S +++ b/arch/xtensa/kernel/coprocessor.S @@ -14,6 +14,7 @@ #include <linux/linkage.h> #include <asm/asm-offsets.h> +#include <asm/asmmacro.h> #include <asm/processor.h> #include <asm/coprocessor.h> #include <asm/thread_info.h> diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 586fcfe227ea..b33be928d164 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -1924,12 +1924,13 @@ static void bfq_add_request(struct request *rq) * confirmed no later than during the next * I/O-plugging interval for bfqq. */ - if (!bfq_bfqq_has_short_ttime(bfqq) && + if (bfqd->last_completed_rq_bfqq && + !bfq_bfqq_has_short_ttime(bfqq) && ktime_get_ns() - bfqd->last_completion < 200 * NSEC_PER_USEC) { if (bfqd->last_completed_rq_bfqq != bfqq && - bfqd->last_completed_rq_bfqq != - bfqq->waker_bfqq) { + bfqd->last_completed_rq_bfqq != + bfqq->waker_bfqq) { /* * First synchronization detected with * a candidate waker queue, or with a @@ -2250,9 +2251,14 @@ static void bfq_request_merged(struct request_queue *q, struct request *req, blk_rq_pos(container_of(rb_prev(&req->rb_node), struct request, rb_node))) { struct bfq_queue *bfqq = bfq_init_rq(req); - struct bfq_data *bfqd = bfqq->bfqd; + struct bfq_data *bfqd; struct request *prev, *next_rq; + if (!bfqq) + return; + + bfqd = bfqq->bfqd; + /* Reposition request in its sort_list */ elv_rb_del(&bfqq->sort_list, req); elv_rb_add(&bfqq->sort_list, req); @@ -2299,6 +2305,9 @@ static void bfq_requests_merged(struct request_queue *q, struct request *rq, struct bfq_queue *bfqq = bfq_init_rq(rq), *next_bfqq = bfq_init_rq(next); + if (!bfqq) + return; + /* * If next and rq belong to the same bfq_queue and next is older * than rq, then reposition rq in the fifo (by substituting next @@ -4764,6 +4773,8 @@ static struct request *bfq_dispatch_request(struct blk_mq_hw_ctx *hctx) */ void bfq_put_queue(struct bfq_queue *bfqq) { + struct bfq_queue *item; + struct hlist_node *n; #ifdef CONFIG_BFQ_GROUP_IOSCHED struct bfq_group *bfqg = bfqq_group(bfqq); #endif @@ -4808,6 +4819,36 @@ void bfq_put_queue(struct bfq_queue *bfqq) bfqq->bfqd->burst_size--; } + /* + * bfqq does not exist any longer, so it cannot be woken by + * any other queue, and cannot wake any other queue. Then bfqq + * must be removed from the woken list of its possible waker + * queue, and all queues in the woken list of bfqq must stop + * having a waker queue. Strictly speaking, these updates + * should be performed when bfqq remains with no I/O source + * attached to it, which happens before bfqq gets freed. In + * particular, this happens when the last process associated + * with bfqq exits or gets associated with a different + * queue. However, both events lead to bfqq being freed soon, + * and dangling references would come out only after bfqq gets + * freed. So these updates are done here, as a simple and safe + * way to handle all cases. + */ + /* remove bfqq from woken list */ + if (!hlist_unhashed(&bfqq->woken_list_node)) + hlist_del_init(&bfqq->woken_list_node); + + /* reset waker for all queues in woken list */ + hlist_for_each_entry_safe(item, n, &bfqq->woken_list, + woken_list_node) { + item->waker_bfqq = NULL; + bfq_clear_bfqq_has_waker(item); + hlist_del_init(&item->woken_list_node); + } + + if (bfqq->bfqd && bfqq->bfqd->last_completed_rq_bfqq == bfqq) + bfqq->bfqd->last_completed_rq_bfqq = NULL; + kmem_cache_free(bfq_pool, bfqq); #ifdef CONFIG_BFQ_GROUP_IOSCHED bfqg_and_blkg_put(bfqg); @@ -4835,9 +4876,6 @@ static void bfq_put_cooperator(struct bfq_queue *bfqq) static void bfq_exit_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq) { - struct bfq_queue *item; - struct hlist_node *n; - if (bfqq == bfqd->in_service_queue) { __bfq_bfqq_expire(bfqd, bfqq, BFQQE_BUDGET_TIMEOUT); bfq_schedule_dispatch(bfqd); @@ -4847,18 +4885,6 @@ static void bfq_exit_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq) bfq_put_cooperator(bfqq); - /* remove bfqq from woken list */ - if (!hlist_unhashed(&bfqq->woken_list_node)) - hlist_del_init(&bfqq->woken_list_node); - - /* reset waker for all queues in woken list */ - hlist_for_each_entry_safe(item, n, &bfqq->woken_list, - woken_list_node) { - item->waker_bfqq = NULL; - bfq_clear_bfqq_has_waker(item); - hlist_del_init(&item->woken_list_node); - } - bfq_put_queue(bfqq); /* release process reference */ } @@ -5436,12 +5462,12 @@ static void bfq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq, spin_lock_irq(&bfqd->lock); bfqq = bfq_init_rq(rq); - if (at_head || blk_rq_is_passthrough(rq)) { + if (!bfqq || at_head || blk_rq_is_passthrough(rq)) { if (at_head) list_add(&rq->queuelist, &bfqd->dispatch); else list_add_tail(&rq->queuelist, &bfqd->dispatch); - } else { /* bfqq is assumed to be non null here */ + } else { idle_timer_disabled = __bfq_insert_request(bfqd, rq); /* * Update bfqq, because, if a queue merge has occurred diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 28cffaaf9d82..f616b16c1f0b 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -232,13 +232,15 @@ int acpi_device_set_power(struct acpi_device *device, int state) if (device->power.flags.power_resources) result = acpi_power_transition(device, target_state); } else { + int cur_state = device->power.state; + if (device->power.flags.power_resources) { result = acpi_power_transition(device, ACPI_STATE_D0); if (result) goto end; } - if (device->power.state == ACPI_STATE_D0) { + if (cur_state == ACPI_STATE_D0) { int psc; /* Nothing to do here if _PSC is not present. */ diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 0e28270b0fd8..aad6be5c0af0 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2204,6 +2204,12 @@ int __init acpi_scan_init(void) acpi_gpe_apply_masked_gpes(); acpi_update_all_gpes(); + /* + * Although we call __add_memory() that is documented to require the + * device_hotplug_lock, it is not necessary here because this is an + * early code when userspace or any other code path cannot trigger + * hotplug/hotunplug operations. + */ mutex_lock(&acpi_scan_lock); /* * Enumerate devices in the ACPI namespace. diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index 3a36e76eca83..9e9583a6bba9 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -338,6 +338,9 @@ static int ahci_platform_get_phy(struct ahci_host_priv *hpriv, u32 port, hpriv->phys[port] = NULL; rc = 0; break; + case -EPROBE_DEFER: + /* Do not complain yet */ + break; default: dev_err(dev, diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 391ac0503dc0..76d0f9de767b 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1786,6 +1786,21 @@ nothing_to_do: return 1; } +static bool ata_check_nblocks(struct scsi_cmnd *scmd, u32 n_blocks) +{ + struct request *rq = scmd->request; + u32 req_blocks; + + if (!blk_rq_is_passthrough(rq)) + return true; + + req_blocks = blk_rq_bytes(rq) / scmd->device->sector_size; + if (n_blocks > req_blocks) + return false; + + return true; +} + /** * ata_scsi_rw_xlat - Translate SCSI r/w command into an ATA one * @qc: Storage for translated ATA taskfile @@ -1830,6 +1845,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc) scsi_10_lba_len(cdb, &block, &n_block); if (cdb[1] & (1 << 3)) tf_flags |= ATA_TFLAG_FUA; + if (!ata_check_nblocks(scmd, n_block)) + goto invalid_fld; break; case READ_6: case WRITE_6: @@ -1844,6 +1861,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc) */ if (!n_block) n_block = 256; + if (!ata_check_nblocks(scmd, n_block)) + goto invalid_fld; break; case READ_16: case WRITE_16: @@ -1854,6 +1873,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc) scsi_16_lba_len(cdb, &block, &n_block); if (cdb[1] & (1 << 3)) tf_flags |= ATA_TFLAG_FUA; + if (!ata_check_nblocks(scmd, n_block)) + goto invalid_fld; break; default: DPRINTK("no-byte command\n"); diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 10aa27882142..4f115adb4ee8 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -658,6 +658,10 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) unsigned int offset; unsigned char *buf; + if (!qc->cursg) { + qc->curbytes = qc->nbytes; + return; + } if (qc->curbytes == qc->nbytes - qc->sect_size) ap->hsm_task_state = HSM_ST_LAST; @@ -683,6 +687,8 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) if (qc->cursg_ofs == qc->cursg->length) { qc->cursg = sg_next(qc->cursg); + if (!qc->cursg) + ap->hsm_task_state = HSM_ST_LAST; qc->cursg_ofs = 0; } } diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c index 173e6f2dd9af..eefda51f97d3 100644 --- a/drivers/ata/libata-zpodd.c +++ b/drivers/ata/libata-zpodd.c @@ -56,7 +56,7 @@ static enum odd_mech_type zpodd_get_mech_type(struct ata_device *dev) unsigned int ret; struct rm_feature_desc *desc; struct ata_taskfile tf; - static const char cdb[] = { GPCMD_GET_CONFIGURATION, + static const char cdb[ATAPI_CDB_LEN] = { GPCMD_GET_CONFIGURATION, 2, /* only 1 feature descriptor requested */ 0, 3, /* 3, removable medium feature */ 0, 0, 0,/* reserved */ diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index 7c37f2ff09e4..deae466395de 100644 --- a/drivers/ata/pata_rb532_cf.c +++ b/drivers/ata/pata_rb532_cf.c @@ -158,7 +158,6 @@ static int rb532_pata_driver_probe(struct platform_device *pdev) static int rb532_pata_driver_remove(struct platform_device *pdev) { struct ata_host *ah = platform_get_drvdata(pdev); - struct rb532_cf_info *info = ah->private_data; ata_host_detach(ah); diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c index 302cf0ba1600..8c7a996d1f16 100644 --- a/drivers/atm/iphase.c +++ b/drivers/atm/iphase.c @@ -63,6 +63,7 @@ #include <asm/byteorder.h> #include <linux/vmalloc.h> #include <linux/jiffies.h> +#include <linux/nospec.h> #include "iphase.h" #include "suni.h" #define swap_byte_order(x) (((x & 0xff) << 8) | ((x & 0xff00) >> 8)) @@ -2760,8 +2761,11 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg) } if (copy_from_user(&ia_cmds, arg, sizeof ia_cmds)) return -EFAULT; board = ia_cmds.status; - if ((board < 0) || (board > iadev_count)) - board = 0; + + if ((board < 0) || (board > iadev_count)) + board = 0; + board = array_index_nospec(board, iadev_count + 1); + iadev = ia_dev[board]; switch (ia_cmds.cmd) { case MEMDUMP: diff --git a/drivers/base/core.c b/drivers/base/core.c index 636058bbf48a..1669d41fcddc 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1823,12 +1823,63 @@ static inline struct kobject *get_glue_dir(struct device *dev) */ static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir) { + unsigned int ref; + /* see if we live in a "glue" directory */ if (!live_in_glue_dir(glue_dir, dev)) return; mutex_lock(&gdp_mutex); - if (!kobject_has_children(glue_dir)) + /** + * There is a race condition between removing glue directory + * and adding a new device under the glue directory. + * + * CPU1: CPU2: + * + * device_add() + * get_device_parent() + * class_dir_create_and_add() + * kobject_add_internal() + * create_dir() // create glue_dir + * + * device_add() + * get_device_parent() + * kobject_get() // get glue_dir + * + * device_del() + * cleanup_glue_dir() + * kobject_del(glue_dir) + * + * kobject_add() + * kobject_add_internal() + * create_dir() // in glue_dir + * sysfs_create_dir_ns() + * kernfs_create_dir_ns(sd) + * + * sysfs_remove_dir() // glue_dir->sd=NULL + * sysfs_put() // free glue_dir->sd + * + * // sd is freed + * kernfs_new_node(sd) + * kernfs_get(glue_dir) + * kernfs_add_one() + * kernfs_put() + * + * Before CPU1 remove last child device under glue dir, if CPU2 add + * a new device under glue dir, the glue_dir kobject reference count + * will be increase to 2 in kobject_get(k). And CPU2 has been called + * kernfs_create_dir_ns(). Meanwhile, CPU1 call sysfs_remove_dir() + * and sysfs_put(). This result in glue_dir->sd is freed. + * + * Then the CPU2 will see a stale "empty" but still potentially used + * glue dir around in kernfs_new_node(). + * + * In order to avoid this happening, we also should make sure that + * kernfs_node for glue_dir is released in CPU1 only when refcount + * for glue_dir kobj is 1. + */ + ref = kref_read(&glue_dir->kref); + if (!kobject_has_children(glue_dir) && !--ref) kobject_del(glue_dir); kobject_put(glue_dir); mutex_unlock(&gdp_mutex); diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 506a0175a5a7..ec974ba9c0c4 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -157,8 +157,13 @@ int platform_get_irq(struct platform_device *dev, unsigned int num) * the device will only expose one IRQ, and this fallback * allows a common code path across either kind of resource. */ - if (num == 0 && has_acpi_companion(&dev->dev)) - return acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num); + if (num == 0 && has_acpi_companion(&dev->dev)) { + int ret = acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num); + + /* Our callers expect -ENXIO for missing IRQs. */ + if (ret >= 0 || ret == -EPROBE_DEFER) + return ret; + } return -ENXIO; #endif diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c index 5b49f1b33ebe..e2ea2356da06 100644 --- a/drivers/block/aoe/aoedev.c +++ b/drivers/block/aoe/aoedev.c @@ -323,10 +323,14 @@ flush(const char __user *str, size_t cnt, int exiting) } flush_scheduled_work(); - /* pass one: without sleeping, do aoedev_downdev */ + /* pass one: do aoedev_downdev, which might sleep */ +restart1: spin_lock_irqsave(&devlist_lock, flags); for (d = devlist; d; d = d->next) { spin_lock(&d->lock); + if (d->flags & DEVFL_TKILL) + goto cont; + if (exiting) { /* unconditionally take each device down */ } else if (specified) { @@ -338,8 +342,11 @@ flush(const char __user *str, size_t cnt, int exiting) || d->ref) goto cont; + spin_unlock(&d->lock); + spin_unlock_irqrestore(&devlist_lock, flags); aoedev_downdev(d); d->flags |= DEVFL_TKILL; + goto restart1; cont: spin_unlock(&d->lock); } @@ -348,7 +355,7 @@ cont: /* pass two: call freedev, which might sleep, * for aoedevs marked with DEVFL_TKILL */ -restart: +restart2: spin_lock_irqsave(&devlist_lock, flags); for (d = devlist; d; d = d->next) { spin_lock(&d->lock); @@ -357,7 +364,7 @@ restart: spin_unlock(&d->lock); spin_unlock_irqrestore(&devlist_lock, flags); freedev(d); - goto restart; + goto restart2; } spin_unlock(&d->lock); } diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 85f20e371f2f..bd7d3bb8b890 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1726,6 +1726,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, /* MSch: invalidate default_params */ default_params[drive].blocks = 0; set_capacity(floppy->disk, MAX_DISK_SIZE * 2); + /* Fall through */ case FDFMTEND: case FDFLUSH: /* invalidate the buffer track to force a reread */ diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 44c9985f352a..ab7ca5989097 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -885,7 +885,7 @@ static void loop_unprepare_queue(struct loop_device *lo) static int loop_kthread_worker_fn(void *worker_ptr) { - current->flags |= PF_LESS_THROTTLE; + current->flags |= PF_LESS_THROTTLE | PF_MEMALLOC_NOIO; return kthread_worker_fn(worker_ptr); } @@ -924,6 +924,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, struct file *file; struct inode *inode; struct address_space *mapping; + struct block_device *claimed_bdev = NULL; int lo_flags = 0; int error; loff_t size; @@ -942,10 +943,11 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, * here to avoid changing device under exclusive owner. */ if (!(mode & FMODE_EXCL)) { - bdgrab(bdev); - error = blkdev_get(bdev, mode | FMODE_EXCL, loop_set_fd); - if (error) + claimed_bdev = bd_start_claiming(bdev, loop_set_fd); + if (IS_ERR(claimed_bdev)) { + error = PTR_ERR(claimed_bdev); goto out_putf; + } } error = mutex_lock_killable(&loop_ctl_mutex); @@ -1015,15 +1017,15 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, mutex_unlock(&loop_ctl_mutex); if (partscan) loop_reread_partitions(lo, bdev); - if (!(mode & FMODE_EXCL)) - blkdev_put(bdev, mode | FMODE_EXCL); + if (claimed_bdev) + bd_abort_claiming(bdev, claimed_bdev, loop_set_fd); return 0; out_unlock: mutex_unlock(&loop_ctl_mutex); out_bdev: - if (!(mode & FMODE_EXCL)) - blkdev_put(bdev, mode | FMODE_EXCL); + if (claimed_bdev) + bd_abort_claiming(bdev, claimed_bdev, loop_set_fd); out_putf: fput(file); out: diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 9bcde2325893..e21d2ded732b 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1231,7 +1231,7 @@ static void nbd_clear_sock_ioctl(struct nbd_device *nbd, struct block_device *bdev) { sock_shutdown(nbd); - kill_bdev(bdev); + __invalidate_device(bdev, true); nbd_bdev_reset(bdev); if (test_and_clear_bit(NBD_HAS_CONFIG_REF, &nbd->config->runtime_flags)) diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c index a55be205b91a..dbfe34664633 100644 --- a/drivers/bluetooth/hci_ath.c +++ b/drivers/bluetooth/hci_ath.c @@ -98,6 +98,9 @@ static int ath_open(struct hci_uart *hu) BT_DBG("hu %p", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + ath = kzalloc(sizeof(*ath), GFP_KERNEL); if (!ath) return -ENOMEM; diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 8905ad2edde7..ae2624fce913 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -406,6 +406,9 @@ static int bcm_open(struct hci_uart *hu) bt_dev_dbg(hu->hdev, "hu %p", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + bcm = kzalloc(sizeof(*bcm), GFP_KERNEL); if (!bcm) return -ENOMEM; diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c index 207bae5e0d46..31f25153087d 100644 --- a/drivers/bluetooth/hci_intel.c +++ b/drivers/bluetooth/hci_intel.c @@ -391,6 +391,9 @@ static int intel_open(struct hci_uart *hu) BT_DBG("hu %p", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + intel = kzalloc(sizeof(*intel), GFP_KERNEL); if (!intel) return -ENOMEM; diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 8950e07889fe..85a30fb9177b 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -292,6 +292,19 @@ static int hci_uart_send_frame(struct hci_dev *hdev, struct sk_buff *skb) return 0; } +/* Check the underlying device or tty has flow control support */ +bool hci_uart_has_flow_control(struct hci_uart *hu) +{ + /* serdev nodes check if the needed operations are present */ + if (hu->serdev) + return true; + + if (hu->tty->driver->ops->tiocmget && hu->tty->driver->ops->tiocmset) + return true; + + return false; +} + /* Flow control or un-flow control the device */ void hci_uart_set_flow_control(struct hci_uart *hu, bool enable) { diff --git a/drivers/bluetooth/hci_mrvl.c b/drivers/bluetooth/hci_mrvl.c index f98e5cc343b2..fbc3f7c3a5c7 100644 --- a/drivers/bluetooth/hci_mrvl.c +++ b/drivers/bluetooth/hci_mrvl.c @@ -59,6 +59,9 @@ static int mrvl_open(struct hci_uart *hu) BT_DBG("hu %p", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + mrvl = kzalloc(sizeof(*mrvl), GFP_KERNEL); if (!mrvl) return -ENOMEM; diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 9a5c9c1f9484..82a0a3691a63 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -473,6 +473,9 @@ static int qca_open(struct hci_uart *hu) BT_DBG("hu %p qca_open", hu); + if (!hci_uart_has_flow_control(hu)) + return -EOPNOTSUPP; + qca = kzalloc(sizeof(struct qca_data), GFP_KERNEL); if (!qca) return -ENOMEM; diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index f11af3912ce6..6ab631101019 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -104,6 +104,7 @@ int hci_uart_wait_until_sent(struct hci_uart *hu); int hci_uart_init_ready(struct hci_uart *hu); void hci_uart_init_work(struct work_struct *work); void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed); +bool hci_uart_has_flow_control(struct hci_uart *hu); void hci_uart_set_flow_control(struct hci_uart *hu, bool enable); void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed, unsigned int oper_speed); diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c index 57204335c5f5..285e0b8f9a97 100644 --- a/drivers/char/ipmi/ipmb_dev_int.c +++ b/drivers/char/ipmi/ipmb_dev_int.c @@ -76,7 +76,7 @@ static ssize_t ipmb_read(struct file *file, char __user *buf, size_t count, struct ipmb_dev *ipmb_dev = to_ipmb_dev(file); struct ipmb_request_elem *queue_elem; struct ipmb_msg msg; - ssize_t ret; + ssize_t ret = 0; memset(&msg, 0, sizeof(msg)); diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index d47ad10a35fe..4838c6a9f0f2 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -77,6 +77,18 @@ static int tpm_go_idle(struct tpm_chip *chip) return chip->ops->go_idle(chip); } +static void tpm_clk_enable(struct tpm_chip *chip) +{ + if (chip->ops->clk_enable) + chip->ops->clk_enable(chip, true); +} + +static void tpm_clk_disable(struct tpm_chip *chip) +{ + if (chip->ops->clk_enable) + chip->ops->clk_enable(chip, false); +} + /** * tpm_chip_start() - power on the TPM * @chip: a TPM chip to use @@ -89,13 +101,12 @@ int tpm_chip_start(struct tpm_chip *chip) { int ret; - if (chip->ops->clk_enable) - chip->ops->clk_enable(chip, true); + tpm_clk_enable(chip); if (chip->locality == -1) { ret = tpm_request_locality(chip); if (ret) { - chip->ops->clk_enable(chip, false); + tpm_clk_disable(chip); return ret; } } @@ -103,8 +114,7 @@ int tpm_chip_start(struct tpm_chip *chip) ret = tpm_cmd_ready(chip); if (ret) { tpm_relinquish_locality(chip); - if (chip->ops->clk_enable) - chip->ops->clk_enable(chip, false); + tpm_clk_disable(chip); return ret; } @@ -124,8 +134,7 @@ void tpm_chip_stop(struct tpm_chip *chip) { tpm_go_idle(chip); tpm_relinquish_locality(chip); - if (chip->ops->clk_enable) - chip->ops->clk_enable(chip, false); + tpm_clk_disable(chip); } EXPORT_SYMBOL_GPL(tpm_chip_stop); @@ -545,6 +554,20 @@ static int tpm_add_hwrng(struct tpm_chip *chip) return hwrng_register(&chip->hwrng); } +static int tpm_get_pcr_allocation(struct tpm_chip *chip) +{ + int rc; + + rc = (chip->flags & TPM_CHIP_FLAG_TPM2) ? + tpm2_get_pcr_allocation(chip) : + tpm1_get_pcr_allocation(chip); + + if (rc > 0) + return -ENODEV; + + return rc; +} + /* * tpm_chip_register() - create a character device for the TPM chip * @chip: TPM chip to use. @@ -564,6 +587,12 @@ int tpm_chip_register(struct tpm_chip *chip) if (rc) return rc; rc = tpm_auto_startup(chip); + if (rc) { + tpm_chip_stop(chip); + return rc; + } + + rc = tpm_get_pcr_allocation(chip); tpm_chip_stop(chip); if (rc) return rc; diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index e503ffc3aa39..a7fea3e0ca86 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -394,6 +394,7 @@ int tpm1_pcr_read(struct tpm_chip *chip, u32 pcr_idx, u8 *res_buf); ssize_t tpm1_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap, const char *desc, size_t min_cap_length); int tpm1_get_random(struct tpm_chip *chip, u8 *out, size_t max); +int tpm1_get_pcr_allocation(struct tpm_chip *chip); unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal); int tpm_pm_suspend(struct device *dev); int tpm_pm_resume(struct device *dev); @@ -449,6 +450,7 @@ int tpm2_unseal_trusted(struct tpm_chip *chip, ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id, u32 *value, const char *desc); +ssize_t tpm2_get_pcr_allocation(struct tpm_chip *chip); int tpm2_auto_startup(struct tpm_chip *chip); void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type); unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal); diff --git a/drivers/char/tpm/tpm1-cmd.c b/drivers/char/tpm/tpm1-cmd.c index faacbe1ffa1a..149e953ca369 100644 --- a/drivers/char/tpm/tpm1-cmd.c +++ b/drivers/char/tpm/tpm1-cmd.c @@ -699,18 +699,6 @@ int tpm1_auto_startup(struct tpm_chip *chip) goto out; } - chip->allocated_banks = kcalloc(1, sizeof(*chip->allocated_banks), - GFP_KERNEL); - if (!chip->allocated_banks) { - rc = -ENOMEM; - goto out; - } - - chip->allocated_banks[0].alg_id = TPM_ALG_SHA1; - chip->allocated_banks[0].digest_size = hash_digest_size[HASH_ALGO_SHA1]; - chip->allocated_banks[0].crypto_id = HASH_ALGO_SHA1; - chip->nr_allocated_banks = 1; - return rc; out: if (rc > 0) @@ -779,3 +767,27 @@ int tpm1_pm_suspend(struct tpm_chip *chip, u32 tpm_suspend_pcr) return rc; } +/** + * tpm1_get_pcr_allocation() - initialize the allocated bank + * @chip: TPM chip to use. + * + * The function initializes the SHA1 allocated bank to extend PCR + * + * Return: + * * 0 on success, + * * < 0 on error. + */ +int tpm1_get_pcr_allocation(struct tpm_chip *chip) +{ + chip->allocated_banks = kcalloc(1, sizeof(*chip->allocated_banks), + GFP_KERNEL); + if (!chip->allocated_banks) + return -ENOMEM; + + chip->allocated_banks[0].alg_id = TPM_ALG_SHA1; + chip->allocated_banks[0].digest_size = hash_digest_size[HASH_ALGO_SHA1]; + chip->allocated_banks[0].crypto_id = HASH_ALGO_SHA1; + chip->nr_allocated_banks = 1; + + return 0; +} diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index d103545e4055..ba9acae83bff 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -840,7 +840,7 @@ struct tpm2_pcr_selection { u8 pcr_select[3]; } __packed; -static ssize_t tpm2_get_pcr_allocation(struct tpm_chip *chip) +ssize_t tpm2_get_pcr_allocation(struct tpm_chip *chip) { struct tpm2_pcr_selection pcr_selection; struct tpm_buf buf; @@ -1040,10 +1040,6 @@ int tpm2_auto_startup(struct tpm_chip *chip) goto out; } - rc = tpm2_get_pcr_allocation(chip); - if (rc) - goto out; - rc = tpm2_get_cc_attrs_tbl(chip); out: diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c index 44db83a6d01c..44a46dcc0518 100644 --- a/drivers/clk/at91/clk-generated.c +++ b/drivers/clk/at91/clk-generated.c @@ -141,6 +141,8 @@ static int clk_generated_determine_rate(struct clk_hw *hw, continue; div = DIV_ROUND_CLOSEST(parent_rate, req->rate); + if (div > GENERATED_MAX_DIV + 1) + div = GENERATED_MAX_DIV + 1; clk_generated_best_diff(req, parent, parent_rate, div, &best_diff, &best_rate); diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c index 1aa5f4059251..73b7e238eee7 100644 --- a/drivers/clk/mediatek/clk-mt8183.c +++ b/drivers/clk/mediatek/clk-mt8183.c @@ -25,9 +25,11 @@ static const struct mtk_fixed_clk top_fixed_clks[] = { FIXED_CLK(CLK_TOP_UNIVP_192M, "univpll_192m", "univpll", 192000000), }; +static const struct mtk_fixed_factor top_early_divs[] = { + FACTOR(CLK_TOP_CLK13M, "clk13m", "clk26m", 1, 2), +}; + static const struct mtk_fixed_factor top_divs[] = { - FACTOR(CLK_TOP_CLK13M, "clk13m", "clk26m", 1, - 2), FACTOR(CLK_TOP_F26M_CK_D2, "csw_f26m_ck_d2", "clk26m", 1, 2), FACTOR(CLK_TOP_SYSPLL_CK, "syspll_ck", "mainpll", 1, @@ -1148,37 +1150,57 @@ static int clk_mt8183_apmixed_probe(struct platform_device *pdev) return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); } +static struct clk_onecell_data *top_clk_data; + +static void clk_mt8183_top_init_early(struct device_node *node) +{ + int i; + + top_clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); + + for (i = 0; i < CLK_TOP_NR_CLK; i++) + top_clk_data->clks[i] = ERR_PTR(-EPROBE_DEFER); + + mtk_clk_register_factors(top_early_divs, ARRAY_SIZE(top_early_divs), + top_clk_data); + + of_clk_add_provider(node, of_clk_src_onecell_get, top_clk_data); +} + +CLK_OF_DECLARE_DRIVER(mt8183_topckgen, "mediatek,mt8183-topckgen", + clk_mt8183_top_init_early); + static int clk_mt8183_top_probe(struct platform_device *pdev) { struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); void __iomem *base; - struct clk_onecell_data *clk_data; struct device_node *node = pdev->dev.of_node; base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) return PTR_ERR(base); - clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); - mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), - clk_data); + top_clk_data); + + mtk_clk_register_factors(top_early_divs, ARRAY_SIZE(top_early_divs), + top_clk_data); - mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); + mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), top_clk_data); mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), - node, &mt8183_clk_lock, clk_data); + node, &mt8183_clk_lock, top_clk_data); mtk_clk_register_composites(top_aud_muxes, ARRAY_SIZE(top_aud_muxes), - base, &mt8183_clk_lock, clk_data); + base, &mt8183_clk_lock, top_clk_data); mtk_clk_register_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), - base, &mt8183_clk_lock, clk_data); + base, &mt8183_clk_lock, top_clk_data); mtk_clk_register_gates(node, top_clks, ARRAY_SIZE(top_clks), - clk_data); + top_clk_data); - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + return of_clk_add_provider(node, of_clk_src_onecell_get, top_clk_data); } static int clk_mt8183_infra_probe(struct platform_device *pdev) diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index 52bbb9ce3807..d4075b130674 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -572,17 +572,11 @@ static int cpg_mssr_reset(struct reset_controller_dev *rcdev, unsigned int reg = id / 32; unsigned int bit = id % 32; u32 bitmask = BIT(bit); - unsigned long flags; - u32 value; dev_dbg(priv->dev, "reset %u%02u\n", reg, bit); /* Reset module */ - spin_lock_irqsave(&priv->rmw_lock, flags); - value = readl(priv->base + SRCR(reg)); - value |= bitmask; - writel(value, priv->base + SRCR(reg)); - spin_unlock_irqrestore(&priv->rmw_lock, flags); + writel(bitmask, priv->base + SRCR(reg)); /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */ udelay(35); @@ -599,16 +593,10 @@ static int cpg_mssr_assert(struct reset_controller_dev *rcdev, unsigned long id) unsigned int reg = id / 32; unsigned int bit = id % 32; u32 bitmask = BIT(bit); - unsigned long flags; - u32 value; dev_dbg(priv->dev, "assert %u%02u\n", reg, bit); - spin_lock_irqsave(&priv->rmw_lock, flags); - value = readl(priv->base + SRCR(reg)); - value |= bitmask; - writel(value, priv->base + SRCR(reg)); - spin_unlock_irqrestore(&priv->rmw_lock, flags); + writel(bitmask, priv->base + SRCR(reg)); return 0; } diff --git a/drivers/clk/sprd/Kconfig b/drivers/clk/sprd/Kconfig index 91d3d721c801..3c219af25100 100644 --- a/drivers/clk/sprd/Kconfig +++ b/drivers/clk/sprd/Kconfig @@ -3,6 +3,7 @@ config SPRD_COMMON_CLK tristate "Clock support for Spreadtrum SoCs" depends on ARCH_SPRD || COMPILE_TEST default ARCH_SPRD + select REGMAP_MMIO if SPRD_COMMON_CLK diff --git a/drivers/crypto/ccp/ccp-crypto-aes-galois.c b/drivers/crypto/ccp/ccp-crypto-aes-galois.c index f9fec2ddf56a..94c1ad7eeddf 100644 --- a/drivers/crypto/ccp/ccp-crypto-aes-galois.c +++ b/drivers/crypto/ccp/ccp-crypto-aes-galois.c @@ -58,6 +58,19 @@ static int ccp_aes_gcm_setkey(struct crypto_aead *tfm, const u8 *key, static int ccp_aes_gcm_setauthsize(struct crypto_aead *tfm, unsigned int authsize) { + switch (authsize) { + case 16: + case 15: + case 14: + case 13: + case 12: + case 8: + case 4: + break; + default: + return -EINVAL; + } + return 0; } @@ -104,6 +117,7 @@ static int ccp_aes_gcm_crypt(struct aead_request *req, bool encrypt) memset(&rctx->cmd, 0, sizeof(rctx->cmd)); INIT_LIST_HEAD(&rctx->cmd.entry); rctx->cmd.engine = CCP_ENGINE_AES; + rctx->cmd.u.aes.authsize = crypto_aead_authsize(tfm); rctx->cmd.u.aes.type = ctx->u.aes.type; rctx->cmd.u.aes.mode = ctx->u.aes.mode; rctx->cmd.u.aes.action = encrypt; diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index c69ed4bae2eb..9bc3c62157d7 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -622,6 +622,7 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, unsigned long long *final; unsigned int dm_offset; + unsigned int authsize; unsigned int jobid; unsigned int ilen; bool in_place = true; /* Default value */ @@ -643,6 +644,21 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, if (!aes->key) /* Gotta have a key SGL */ return -EINVAL; + /* Zero defaults to 16 bytes, the maximum size */ + authsize = aes->authsize ? aes->authsize : AES_BLOCK_SIZE; + switch (authsize) { + case 16: + case 15: + case 14: + case 13: + case 12: + case 8: + case 4: + break; + default: + return -EINVAL; + } + /* First, decompose the source buffer into AAD & PT, * and the destination buffer into AAD, CT & tag, or * the input into CT & tag. @@ -657,7 +673,7 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, p_tag = scatterwalk_ffwd(sg_tag, p_outp, ilen); } else { /* Input length for decryption includes tag */ - ilen = aes->src_len - AES_BLOCK_SIZE; + ilen = aes->src_len - authsize; p_tag = scatterwalk_ffwd(sg_tag, p_inp, ilen); } @@ -766,8 +782,7 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, while (src.sg_wa.bytes_left) { ccp_prepare_data(&src, &dst, &op, AES_BLOCK_SIZE, true); if (!src.sg_wa.bytes_left) { - unsigned int nbytes = aes->src_len - % AES_BLOCK_SIZE; + unsigned int nbytes = ilen % AES_BLOCK_SIZE; if (nbytes) { op.eom = 1; @@ -839,19 +854,19 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, if (aes->action == CCP_AES_ACTION_ENCRYPT) { /* Put the ciphered tag after the ciphertext. */ - ccp_get_dm_area(&final_wa, 0, p_tag, 0, AES_BLOCK_SIZE); + ccp_get_dm_area(&final_wa, 0, p_tag, 0, authsize); } else { /* Does this ciphered tag match the input? */ - ret = ccp_init_dm_workarea(&tag, cmd_q, AES_BLOCK_SIZE, + ret = ccp_init_dm_workarea(&tag, cmd_q, authsize, DMA_BIDIRECTIONAL); if (ret) goto e_tag; - ret = ccp_set_dm_area(&tag, 0, p_tag, 0, AES_BLOCK_SIZE); + ret = ccp_set_dm_area(&tag, 0, p_tag, 0, authsize); if (ret) goto e_tag; ret = crypto_memneq(tag.address, final_wa.address, - AES_BLOCK_SIZE) ? -EBADMSG : 0; + authsize) ? -EBADMSG : 0; ccp_dm_free(&tag); } @@ -859,11 +874,11 @@ e_tag: ccp_dm_free(&final_wa); e_dst: - if (aes->src_len && !in_place) + if (ilen > 0 && !in_place) ccp_free_data(&dst, cmd_q); e_src: - if (aes->src_len) + if (ilen > 0) ccp_free_data(&src, cmd_q); e_aad: diff --git a/drivers/crypto/ux500/cryp/cryp.c b/drivers/crypto/ux500/cryp/cryp.c index ece83a363e11..f22f6fa612b3 100644 --- a/drivers/crypto/ux500/cryp/cryp.c +++ b/drivers/crypto/ux500/cryp/cryp.c @@ -314,14 +314,17 @@ void cryp_save_device_context(struct cryp_device_data *device_data, case CRYP_KEY_SIZE_256: ctx->key_4_l = readl_relaxed(&src_reg->key_4_l); ctx->key_4_r = readl_relaxed(&src_reg->key_4_r); + /* Fall through */ case CRYP_KEY_SIZE_192: ctx->key_3_l = readl_relaxed(&src_reg->key_3_l); ctx->key_3_r = readl_relaxed(&src_reg->key_3_r); + /* Fall through */ case CRYP_KEY_SIZE_128: ctx->key_2_l = readl_relaxed(&src_reg->key_2_l); ctx->key_2_r = readl_relaxed(&src_reg->key_2_r); + /* Fall through */ default: ctx->key_1_l = readl_relaxed(&src_reg->key_1_l); @@ -361,14 +364,17 @@ void cryp_restore_device_context(struct cryp_device_data *device_data, case CRYP_KEY_SIZE_256: writel_relaxed(ctx->key_4_l, ®->key_4_l); writel_relaxed(ctx->key_4_r, ®->key_4_r); + /* Fall through */ case CRYP_KEY_SIZE_192: writel_relaxed(ctx->key_3_l, ®->key_3_l); writel_relaxed(ctx->key_3_r, ®->key_3_r); + /* Fall through */ case CRYP_KEY_SIZE_128: writel_relaxed(ctx->key_2_l, ®->key_2_l); writel_relaxed(ctx->key_2_r, ®->key_2_r); + /* Fall through */ default: writel_relaxed(ctx->key_1_l, ®->key_1_l); diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 3ee99d070608..f497003f119c 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -956,9 +956,11 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip) } if (eflags & GPIOEVENT_REQUEST_RISING_EDGE) - irqflags |= IRQF_TRIGGER_RISING; + irqflags |= test_bit(FLAG_ACTIVE_LOW, &desc->flags) ? + IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING; if (eflags & GPIOEVENT_REQUEST_FALLING_EDGE) - irqflags |= IRQF_TRIGGER_FALLING; + irqflags |= test_bit(FLAG_ACTIVE_LOW, &desc->flags) ? + IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING; irqflags |= IRQF_ONESHOT; INIT_KFIFO(le->events); @@ -1392,12 +1394,17 @@ int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data, for (i = 0; i < chip->ngpio; i++) { struct gpio_desc *desc = &gdev->descs[i]; - if (chip->get_direction && gpiochip_line_is_valid(chip, i)) - desc->flags = !chip->get_direction(chip, i) ? - (1 << FLAG_IS_OUT) : 0; - else - desc->flags = !chip->direction_input ? - (1 << FLAG_IS_OUT) : 0; + if (chip->get_direction && gpiochip_line_is_valid(chip, i)) { + if (!chip->get_direction(chip, i)) + set_bit(FLAG_IS_OUT, &desc->flags); + else + clear_bit(FLAG_IS_OUT, &desc->flags); + } else { + if (!chip->direction_input) + set_bit(FLAG_IS_OUT, &desc->flags); + else + clear_bit(FLAG_IS_OUT, &desc->flags); + } } acpi_gpiochip_add(chip); diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 1d80222587ad..3c88420e3497 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -394,7 +394,7 @@ config DRM_R128 config DRM_I810 tristate "Intel I810" # !PREEMPT because of missing ioctl locking - depends on DRM && AGP && AGP_INTEL && (!PREEMPT || BROKEN) + depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN) help Choose this option if you have an Intel I810 graphics card. If M is selected, the module will be called i810. AGP support is required diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 1d3ee9c42f7e..6a5c96e519b1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1140,7 +1140,8 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( adev->asic_type != CHIP_FIJI && adev->asic_type != CHIP_POLARIS10 && adev->asic_type != CHIP_POLARIS11 && - adev->asic_type != CHIP_POLARIS12) ? + adev->asic_type != CHIP_POLARIS12 && + adev->asic_type != CHIP_VEGAM) ? VI_BO_SIZE_ALIGN : 1; mapping_flags = AMDGPU_VM_PAGE_READABLE; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index e069de8b54e6..4e4094f842e7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1044,29 +1044,27 @@ static int amdgpu_cs_process_fence_dep(struct amdgpu_cs_parser *p, return r; } - fence = amdgpu_ctx_get_fence(ctx, entity, - deps[i].handle); + fence = amdgpu_ctx_get_fence(ctx, entity, deps[i].handle); + amdgpu_ctx_put(ctx); + + if (IS_ERR(fence)) + return PTR_ERR(fence); + else if (!fence) + continue; if (chunk->chunk_id == AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES) { - struct drm_sched_fence *s_fence = to_drm_sched_fence(fence); + struct drm_sched_fence *s_fence; struct dma_fence *old = fence; + s_fence = to_drm_sched_fence(fence); fence = dma_fence_get(&s_fence->scheduled); dma_fence_put(old); } - if (IS_ERR(fence)) { - r = PTR_ERR(fence); - amdgpu_ctx_put(ctx); + r = amdgpu_sync_fence(p->adev, &p->job->sync, fence, true); + dma_fence_put(fence); + if (r) return r; - } else if (fence) { - r = amdgpu_sync_fence(p->adev, &p->job->sync, fence, - true); - dma_fence_put(fence); - amdgpu_ctx_put(ctx); - if (r) - return r; - } } return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 6d54decef7f8..5652cc72ed3a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -707,7 +707,7 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, thread = (*pos & GENMASK_ULL(59, 52)) >> 52; bank = (*pos & GENMASK_ULL(61, 60)) >> 60; - data = kmalloc_array(1024, sizeof(*data), GFP_KERNEL); + data = kcalloc(1024, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h index df8a23554831..f6ac1e9548f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h @@ -32,7 +32,6 @@ struct amdgpu_gds { uint32_t gws_size; uint32_t oa_size; uint32_t gds_compute_max_wave_id; - uint32_t vgt_gs_max_wave_id; }; struct amdgpu_gds_reg_offset { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 03ca8c69114f..2b546567853b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -159,12 +159,16 @@ static ssize_t amdgpu_get_dpm_state(struct device *dev, struct amdgpu_device *adev = ddev->dev_private; enum amd_pm_state_type pm; - if (is_support_sw_smu(adev) && adev->smu.ppt_funcs->get_current_power_state) - pm = amdgpu_smu_get_current_power_state(adev); - else if (adev->powerplay.pp_funcs->get_current_power_state) + if (is_support_sw_smu(adev)) { + if (adev->smu.ppt_funcs->get_current_power_state) + pm = amdgpu_smu_get_current_power_state(adev); + else + pm = adev->pm.dpm.user_state; + } else if (adev->powerplay.pp_funcs->get_current_power_state) { pm = amdgpu_dpm_get_current_power_state(adev); - else + } else { pm = adev->pm.dpm.user_state; + } return snprintf(buf, PAGE_SIZE, "%s\n", (pm == POWER_STATE_TYPE_BATTERY) ? "battery" : @@ -191,7 +195,11 @@ static ssize_t amdgpu_set_dpm_state(struct device *dev, goto fail; } - if (adev->powerplay.pp_funcs->dispatch_tasks) { + if (is_support_sw_smu(adev)) { + mutex_lock(&adev->pm.mutex); + adev->pm.dpm.user_state = state; + mutex_unlock(&adev->pm.mutex); + } else if (adev->powerplay.pp_funcs->dispatch_tasks) { amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_ENABLE_USER_STATE, &state); } else { mutex_lock(&adev->pm.mutex); @@ -3067,28 +3075,44 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size)) seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64); - /* UVD clocks */ - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) { - if (!value) { - seq_printf(m, "UVD: Disabled\n"); - } else { - seq_printf(m, "UVD: Enabled\n"); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (DCLK)\n", value/100); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (VCLK)\n", value/100); + if (adev->asic_type > CHIP_VEGA20) { + /* VCN clocks */ + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCN_POWER_STATE, (void *)&value, &size)) { + if (!value) { + seq_printf(m, "VCN: Disabled\n"); + } else { + seq_printf(m, "VCN: Enabled\n"); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (DCLK)\n", value/100); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (VCLK)\n", value/100); + } } - } - seq_printf(m, "\n"); + seq_printf(m, "\n"); + } else { + /* UVD clocks */ + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) { + if (!value) { + seq_printf(m, "UVD: Disabled\n"); + } else { + seq_printf(m, "UVD: Enabled\n"); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (DCLK)\n", value/100); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (VCLK)\n", value/100); + } + } + seq_printf(m, "\n"); - /* VCE clocks */ - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) { - if (!value) { - seq_printf(m, "VCE: Disabled\n"); - } else { - seq_printf(m, "VCE: Enabled\n"); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (ECCLK)\n", value/100); + /* VCE clocks */ + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) { + if (!value) { + seq_printf(m, "VCE: Disabled\n"); + } else { + seq_printf(m, "VCE: Enabled\n"); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (ECCLK)\n", value/100); + } } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h index 99f14fcc1460..19661c645703 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h @@ -30,6 +30,7 @@ #define AMDGPU_VCN_FIRMWARE_OFFSET 256 #define AMDGPU_VCN_MAX_ENC_RINGS 3 +#define VCN_DEC_KMD_CMD 0x80000000 #define VCN_DEC_CMD_FENCE 0x00000000 #define VCN_DEC_CMD_TRAP 0x00000001 #define VCN_DEC_CMD_WRITE_REG 0x00000004 diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 32773b7523d2..f41287f9000d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -4206,15 +4206,6 @@ static void gfx_v10_0_ring_emit_ib_gfx(struct amdgpu_ring *ring, unsigned vmid = AMDGPU_JOB_GET_VMID(job); u32 header, control = 0; - /* Prevent a hw deadlock due to a wave ID mismatch between ME and GDS. - * This resets the wave ID counters. (needed by transform feedback) - * TODO: This might only be needed on a VMID switch when we change - * the GDS OA mapping, not sure. - */ - amdgpu_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); - amdgpu_ring_write(ring, mmVGT_GS_MAX_WAVE_ID); - amdgpu_ring_write(ring, ring->adev->gds.vgt_gs_max_wave_id); - if (ib->flags & AMDGPU_IB_FLAG_CE) header = PACKET3(PACKET3_INDIRECT_BUFFER_CNST, 2); else @@ -4961,7 +4952,7 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_gfx = { 5 + /* HDP_INVL */ 8 + 8 + /* FENCE x2 */ 2, /* SWITCH_BUFFER */ - .emit_ib_size = 7, /* gfx_v10_0_ring_emit_ib_gfx */ + .emit_ib_size = 4, /* gfx_v10_0_ring_emit_ib_gfx */ .emit_ib = gfx_v10_0_ring_emit_ib_gfx, .emit_fence = gfx_v10_0_ring_emit_fence, .emit_pipeline_sync = gfx_v10_0_ring_emit_pipeline_sync, @@ -5112,7 +5103,6 @@ static void gfx_v10_0_set_gds_init(struct amdgpu_device *adev) default: adev->gds.gds_size = 0x10000; adev->gds.gds_compute_max_wave_id = 0x4ff; - adev->gds.vgt_gs_max_wave_id = 0x3ff; break; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 751567f78567..ee1ccdcf2d30 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -1321,6 +1321,39 @@ static int gfx_v8_0_rlc_init(struct amdgpu_device *adev) return 0; } +static int gfx_v8_0_csb_vram_pin(struct amdgpu_device *adev) +{ + int r; + + r = amdgpu_bo_reserve(adev->gfx.rlc.clear_state_obj, false); + if (unlikely(r != 0)) + return r; + + r = amdgpu_bo_pin(adev->gfx.rlc.clear_state_obj, + AMDGPU_GEM_DOMAIN_VRAM); + if (!r) + adev->gfx.rlc.clear_state_gpu_addr = + amdgpu_bo_gpu_offset(adev->gfx.rlc.clear_state_obj); + + amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj); + + return r; +} + +static void gfx_v8_0_csb_vram_unpin(struct amdgpu_device *adev) +{ + int r; + + if (!adev->gfx.rlc.clear_state_obj) + return; + + r = amdgpu_bo_reserve(adev->gfx.rlc.clear_state_obj, true); + if (likely(r == 0)) { + amdgpu_bo_unpin(adev->gfx.rlc.clear_state_obj); + amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj); + } +} + static void gfx_v8_0_mec_fini(struct amdgpu_device *adev) { amdgpu_bo_free_kernel(&adev->gfx.mec.hpd_eop_obj, NULL, NULL); @@ -4785,6 +4818,10 @@ static int gfx_v8_0_hw_init(void *handle) gfx_v8_0_init_golden_registers(adev); gfx_v8_0_constants_init(adev); + r = gfx_v8_0_csb_vram_pin(adev); + if (r) + return r; + r = adev->gfx.rlc.funcs->resume(adev); if (r) return r; @@ -4901,6 +4938,9 @@ static int gfx_v8_0_hw_fini(void *handle) else pr_err("rlc is busy, skip halt rlc\n"); amdgpu_gfx_rlc_exit_safe_mode(adev); + + gfx_v8_0_csb_vram_unpin(adev); + return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c index 1cfc2620b2dd..dfde886cc6bd 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c @@ -1485,7 +1485,7 @@ static void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring) amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET, 0)); amdgpu_ring_write(ring, 0); amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET, 0)); - amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_START << 1); + amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1)); } /** @@ -1498,7 +1498,7 @@ static void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring) static void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring) { amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET, 0)); - amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_END << 1); + amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_END << 1)); } /** @@ -1543,7 +1543,7 @@ static void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET, 0)); - amdgpu_ring_write(ring, VCN_DEC_CMD_FENCE << 1); + amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_FENCE << 1)); amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET, 0)); amdgpu_ring_write(ring, 0); @@ -1553,7 +1553,7 @@ static void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET, 0)); - amdgpu_ring_write(ring, VCN_DEC_CMD_TRAP << 1); + amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_TRAP << 1)); } /** @@ -1597,7 +1597,7 @@ static void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET, 0)); - amdgpu_ring_write(ring, VCN_DEC_CMD_REG_READ_COND_WAIT << 1); + amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_REG_READ_COND_WAIT << 1)); } static void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring, @@ -1626,7 +1626,7 @@ static void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET, 0)); - amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1); + amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_WRITE_REG << 1)); } /** @@ -2079,6 +2079,36 @@ static int vcn_v2_0_process_interrupt(struct amdgpu_device *adev, return 0; } +static int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t tmp = 0; + unsigned i; + int r; + + WREG32(adev->vcn.external.scratch9, 0xCAFEDEAD); + r = amdgpu_ring_alloc(ring, 4); + if (r) + return r; + amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET, 0)); + amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1)); + amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0)); + amdgpu_ring_write(ring, 0xDEADBEEF); + amdgpu_ring_commit(ring); + for (i = 0; i < adev->usec_timeout; i++) { + tmp = RREG32(adev->vcn.external.scratch9); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + + if (i >= adev->usec_timeout) + r = -ETIMEDOUT; + + return r; +} + + static int vcn_v2_0_set_powergating_state(void *handle, enum amd_powergating_state state) { @@ -2142,7 +2172,7 @@ static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = { .emit_ib = vcn_v2_0_dec_ring_emit_ib, .emit_fence = vcn_v2_0_dec_ring_emit_fence, .emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush, - .test_ring = amdgpu_vcn_dec_ring_test_ring, + .test_ring = vcn_v2_0_dec_ring_test_ring, .test_ib = amdgpu_vcn_dec_ring_test_ib, .insert_nop = vcn_v2_0_dec_ring_insert_nop, .insert_start = vcn_v2_0_dec_ring_insert_start, diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 26b15cc56c31..1d3cd5c50d5f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -1567,32 +1567,6 @@ copy_from_user_failed: return err; } -static int kfd_ioctl_alloc_queue_gws(struct file *filep, - struct kfd_process *p, void *data) -{ - int retval; - struct kfd_ioctl_alloc_queue_gws_args *args = data; - struct kfd_dev *dev; - - if (!hws_gws_support) - return -ENODEV; - - dev = kfd_device_by_id(args->gpu_id); - if (!dev) { - pr_debug("Could not find gpu id 0x%x\n", args->gpu_id); - return -ENODEV; - } - if (dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) - return -ENODEV; - - mutex_lock(&p->mutex); - retval = pqm_set_gws(&p->pqm, args->queue_id, args->num_gws ? dev->gws : NULL); - mutex_unlock(&p->mutex); - - args->first_gws = 0; - return retval; -} - static int kfd_ioctl_get_dmabuf_info(struct file *filep, struct kfd_process *p, void *data) { @@ -1795,8 +1769,6 @@ static const struct amdkfd_ioctl_desc amdkfd_ioctls[] = { AMDKFD_IOCTL_DEF(AMDKFD_IOC_IMPORT_DMABUF, kfd_ioctl_import_dmabuf, 0), - AMDKFD_IOCTL_DEF(AMDKFD_IOC_ALLOC_QUEUE_GWS, - kfd_ioctl_alloc_queue_gws, 0), }; #define AMDKFD_CORE_IOCTL_COUNT ARRAY_SIZE(amdkfd_ioctls) diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 9f661bf96ed0..5b1ebb7f995a 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -123,6 +123,7 @@ enum amd_pp_sensors { AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, AMDGPU_PP_SENSOR_MIN_FAN_RPM, AMDGPU_PP_SENSOR_MAX_FAN_RPM, + AMDGPU_PP_SENSOR_VCN_POWER_STATE, }; enum amd_pp_task { diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index c097113c3976..8a3eadeebdcb 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -306,7 +306,8 @@ int smu_get_power_num_states(struct smu_context *smu, /* not support power state */ memset(state_info, 0, sizeof(struct pp_states_info)); - state_info->nums = 0; + state_info->nums = 1; + state_info->states[0] = POWER_STATE_TYPE_DEFAULT; return 0; } @@ -314,6 +315,8 @@ int smu_get_power_num_states(struct smu_context *smu, int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, void *data, uint32_t *size) { + struct smu_power_context *smu_power = &smu->smu_power; + struct smu_power_gate *power_gate = &smu_power->power_gate; int ret = 0; switch (sensor) { @@ -337,6 +340,10 @@ int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0; *size = 4; break; + case AMDGPU_PP_SENSOR_VCN_POWER_STATE: + *(uint32_t *)data = power_gate->vcn_gated ? 0 : 1; + *size = 4; + break; default: ret = -EINVAL; break; @@ -723,6 +730,12 @@ static int smu_sw_init(void *handle) return ret; } + ret = smu_register_irq_handler(smu); + if (ret) { + pr_err("Failed to register smc irq handler!\n"); + return ret; + } + return 0; } @@ -732,6 +745,9 @@ static int smu_sw_fini(void *handle) struct smu_context *smu = &adev->smu; int ret; + kfree(smu->irq_source); + smu->irq_source = NULL; + ret = smu_smc_table_sw_fini(smu); if (ret) { pr_err("Failed to sw fini smc table!\n"); @@ -1088,10 +1104,6 @@ static int smu_hw_init(void *handle) if (ret) goto failed; - ret = smu_register_irq_handler(smu); - if (ret) - goto failed; - if (!smu->pm_enabled) adev->pm.dpm_enabled = false; else @@ -1121,9 +1133,6 @@ static int smu_hw_fini(void *handle) kfree(table_context->overdrive_table); table_context->overdrive_table = NULL; - kfree(smu->irq_source); - smu->irq_source = NULL; - ret = smu_fini_fb_allocations(smu); if (ret) return ret; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c index e32ae9d3373c..18e780f566fa 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c @@ -1111,6 +1111,7 @@ static int smu10_thermal_get_temperature(struct pp_hwmgr *hwmgr) static int smu10_read_sensor(struct pp_hwmgr *hwmgr, int idx, void *value, int *size) { + struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); uint32_t sclk, mclk; int ret = 0; @@ -1132,6 +1133,10 @@ static int smu10_read_sensor(struct pp_hwmgr *hwmgr, int idx, case AMDGPU_PP_SENSOR_GPU_TEMP: *((uint32_t *)value) = smu10_thermal_get_temperature(hwmgr); break; + case AMDGPU_PP_SENSOR_VCN_POWER_STATE: + *(uint32_t *)value = smu10_data->vcn_power_gated ? 0 : 1; + *size = 4; + break; default: ret = -EINVAL; break; @@ -1175,18 +1180,22 @@ static int smu10_powergate_sdma(struct pp_hwmgr *hwmgr, bool gate) static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate) { + struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); + if (bgate) { amdgpu_device_ip_set_powergating_state(hwmgr->adev, AMD_IP_BLOCK_TYPE_VCN, AMD_PG_STATE_GATE); smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PowerDownVcn, 0); + smu10_data->vcn_power_gated = true; } else { smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PowerUpVcn, 0); amdgpu_device_ip_set_powergating_state(hwmgr->adev, AMD_IP_BLOCK_TYPE_VCN, AMD_PG_STATE_UNGATE); + smu10_data->vcn_power_gated = false; } } diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 22e46a289a16..a0f52c86d8c7 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -429,7 +429,6 @@ struct smu_table_context struct smu_table *tables; uint32_t table_count; struct smu_table memory_pool; - uint16_t software_shutdown_temp; uint8_t thermal_controller_type; uint16_t TDPODLimit; @@ -452,6 +451,7 @@ struct smu_dpm_context { struct smu_power_gate { bool uvd_gated; bool vce_gated; + bool vcn_gated; }; struct smu_power_context { diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 4aaad255a288..b81c7e715dc9 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -23,6 +23,7 @@ #include "pp_debug.h" #include <linux/firmware.h> +#include <linux/pci.h> #include "amdgpu.h" #include "amdgpu_smu.h" #include "atomfirmware.h" @@ -501,6 +502,8 @@ static int navi10_store_powerplay_table(struct smu_context *smu) static int navi10_tables_init(struct smu_context *smu, struct smu_table *tables) { + struct smu_table_context *smu_table = &smu->smu_table; + SMU_TABLE_INIT(tables, SMU_TABLE_PPTABLE, sizeof(PPTable_t), PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM); SMU_TABLE_INIT(tables, SMU_TABLE_WATERMARKS, sizeof(Watermarks_t), @@ -515,9 +518,35 @@ static int navi10_tables_init(struct smu_context *smu, struct smu_table *tables) sizeof(DpmActivityMonitorCoeffInt_t), PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM); + smu_table->metrics_table = kzalloc(sizeof(SmuMetrics_t), GFP_KERNEL); + if (!smu_table->metrics_table) + return -ENOMEM; + smu_table->metrics_time = 0; + return 0; } +static int navi10_get_metrics_table(struct smu_context *smu, + SmuMetrics_t *metrics_table) +{ + struct smu_table_context *smu_table= &smu->smu_table; + int ret = 0; + + if (!smu_table->metrics_time || time_after(jiffies, smu_table->metrics_time + HZ / 1000)) { + ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0, + (void *)smu_table->metrics_table, false); + if (ret) { + pr_info("Failed to export SMU metrics table!\n"); + return ret; + } + smu_table->metrics_time = jiffies; + } + + memcpy(metrics_table, smu_table->metrics_table, sizeof(SmuMetrics_t)); + + return ret; +} + static int navi10_allocate_dpm_context(struct smu_context *smu) { struct smu_dpm_context *smu_dpm = &smu->smu_dpm; @@ -576,44 +605,38 @@ static int navi10_set_default_dpm_table(struct smu_context *smu) static int navi10_dpm_set_uvd_enable(struct smu_context *smu, bool enable) { - int ret = 0; struct smu_power_context *smu_power = &smu->smu_power; struct smu_power_gate *power_gate = &smu_power->power_gate; + int ret = 0; - if (enable && power_gate->uvd_gated) { - if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT)) { + if (enable) { + /* vcn dpm on is a prerequisite for vcn power gate messages */ + if (smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { ret = smu_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 1); if (ret) return ret; } - power_gate->uvd_gated = false; + power_gate->vcn_gated = false; } else { - if (!enable && !power_gate->uvd_gated) { - if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT)) { - ret = smu_send_smc_msg(smu, SMU_MSG_PowerDownVcn); - if (ret) - return ret; - } - power_gate->uvd_gated = true; + if (smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { + ret = smu_send_smc_msg(smu, SMU_MSG_PowerDownVcn); + if (ret) + return ret; } + power_gate->vcn_gated = true; } - return 0; + return ret; } static int navi10_get_current_clk_freq_by_table(struct smu_context *smu, enum smu_clk_type clk_type, uint32_t *value) { - static SmuMetrics_t metrics; int ret = 0, clk_id = 0; + SmuMetrics_t metrics; - if (!value) - return -EINVAL; - - memset(&metrics, 0, sizeof(metrics)); - - ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0, (void *)&metrics, false); + ret = navi10_get_metrics_table(smu, &metrics); if (ret) return ret; @@ -901,8 +924,9 @@ static int navi10_get_gpu_power(struct smu_context *smu, uint32_t *value) if (!value) return -EINVAL; - ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0, (void *)&metrics, - false); + ret = navi10_get_metrics_table(smu, &metrics); + if (ret) + return ret; if (ret) return ret; @@ -921,10 +945,7 @@ static int navi10_get_current_activity_percent(struct smu_context *smu, if (!value) return -EINVAL; - msleep(1); - - ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0, - (void *)&metrics, false); + ret = navi10_get_metrics_table(smu, &metrics); if (ret) return ret; @@ -963,10 +984,9 @@ static int navi10_get_fan_speed_rpm(struct smu_context *smu, if (!speed) return -EINVAL; - memset(&metrics, 0, sizeof(metrics)); - - ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0, - (void *)&metrics, false); + ret = navi10_get_metrics_table(smu, &metrics); + if (ret) + return ret; if (ret) return ret; @@ -1314,7 +1334,7 @@ static int navi10_thermal_get_temperature(struct smu_context *smu, if (!value) return -EINVAL; - ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0, (void *)&metrics, false); + ret = navi10_get_metrics_table(smu, &metrics); if (ret) return ret; @@ -1573,7 +1593,7 @@ static int navi10_set_peak_clock_by_device(struct smu_context *smu) uint32_t sclk_freq = 0, uclk_freq = 0; uint32_t uclk_level = 0; - switch (adev->rev_id) { + switch (adev->pdev->revision) { case 0xf0: /* XTX */ case 0xc0: sclk_freq = NAVI10_PEAK_SCLK_XTX; @@ -1620,6 +1640,22 @@ static int navi10_set_performance_level(struct smu_context *smu, enum amd_dpm_fo return ret; } +static int navi10_get_thermal_temperature_range(struct smu_context *smu, + struct smu_temperature_range *range) +{ + struct smu_table_context *table_context = &smu->smu_table; + struct smu_11_0_powerplay_table *powerplay_table = table_context->power_play_table; + + if (!range || !powerplay_table) + return -EINVAL; + + /* The unit is temperature */ + range->min = 0; + range->max = powerplay_table->software_shutdown_temp; + + return 0; +} + static const struct pptable_funcs navi10_ppt_funcs = { .tables_init = navi10_tables_init, .alloc_dpm_context = navi10_allocate_dpm_context, @@ -1657,6 +1693,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { .get_ppfeature_status = navi10_get_ppfeature_status, .set_ppfeature_status = navi10_set_ppfeature_status, .set_performance_level = navi10_set_performance_level, + .get_thermal_temperature_range = navi10_get_thermal_temperature_range, }; void navi10_set_ppt_funcs(struct smu_context *smu) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index caca9091bfcc..5fde5cf65b42 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1124,10 +1124,8 @@ static int smu_v11_0_set_thermal_range(struct smu_context *smu, struct smu_temperature_range *range) { struct amdgpu_device *adev = smu->adev; - int low = SMU_THERMAL_MINIMUM_ALERT_TEMP * - SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - int high = SMU_THERMAL_MAXIMUM_ALERT_TEMP * - SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + int low = SMU_THERMAL_MINIMUM_ALERT_TEMP; + int high = SMU_THERMAL_MAXIMUM_ALERT_TEMP; uint32_t val; if (!range) @@ -1138,6 +1136,9 @@ static int smu_v11_0_set_thermal_range(struct smu_context *smu, if (high > range->max) high = range->max; + low = max(SMU_THERMAL_MINIMUM_ALERT_TEMP, range->min); + high = min(SMU_THERMAL_MAXIMUM_ALERT_TEMP, range->max); + if (low > high) return -EINVAL; @@ -1146,8 +1147,8 @@ static int smu_v11_0_set_thermal_range(struct smu_context *smu, val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1); val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_INTH_MASK, 0); val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_INTL_MASK, 0); - val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, (high / SMU_TEMPERATURE_UNITS_PER_CENTIGRADES)); - val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, (low / SMU_TEMPERATURE_UNITS_PER_CENTIGRADES)); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, (high & 0xff)); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, (low & 0xff)); val = val & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK); WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val); @@ -1186,7 +1187,10 @@ static int smu_v11_0_start_thermal_control(struct smu_context *smu) if (!smu->pm_enabled) return ret; + ret = smu_get_thermal_temperature_range(smu, &range); + if (ret) + return ret; if (smu->smu_table.thermal_controller_type) { ret = smu_v11_0_set_thermal_range(smu, &range); @@ -1202,15 +1206,17 @@ static int smu_v11_0_start_thermal_control(struct smu_context *smu) return ret; } - adev->pm.dpm.thermal.min_temp = range.min; - adev->pm.dpm.thermal.max_temp = range.max; - adev->pm.dpm.thermal.max_edge_emergency_temp = range.edge_emergency_max; - adev->pm.dpm.thermal.min_hotspot_temp = range.hotspot_min; - adev->pm.dpm.thermal.max_hotspot_crit_temp = range.hotspot_crit_max; - adev->pm.dpm.thermal.max_hotspot_emergency_temp = range.hotspot_emergency_max; - adev->pm.dpm.thermal.min_mem_temp = range.mem_min; - adev->pm.dpm.thermal.max_mem_crit_temp = range.mem_crit_max; - adev->pm.dpm.thermal.max_mem_emergency_temp = range.mem_emergency_max; + adev->pm.dpm.thermal.min_temp = range.min * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.max_temp = range.max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.max_edge_emergency_temp = range.edge_emergency_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.min_hotspot_temp = range.hotspot_min * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.max_hotspot_crit_temp = range.hotspot_crit_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.max_hotspot_emergency_temp = range.hotspot_emergency_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.min_mem_temp = range.mem_min * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.max_mem_crit_temp = range.mem_crit_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.max_mem_emergency_temp = range.mem_emergency_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.min_temp = range.min * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.max_temp = range.max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; return ret; } @@ -1385,7 +1391,7 @@ smu_v11_0_smc_fan_control(struct smu_context *smu, bool start) { int ret = 0; - if (smu_feature_is_supported(smu, SMU_FEATURE_FAN_CONTROL_BIT)) + if (!smu_feature_is_supported(smu, SMU_FEATURE_FAN_CONTROL_BIT)) return 0; ret = smu_feature_set_enabled(smu, SMU_FEATURE_FAN_CONTROL_BIT, start); diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index dc139a6feeb1..dd6fd1c8bf24 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -450,7 +450,6 @@ static int vega20_store_powerplay_table(struct smu_context *smu) memcpy(table_context->driver_pptable, &powerplay_table->smcPPTable, sizeof(PPTable_t)); - table_context->software_shutdown_temp = powerplay_table->usSoftwareShutdownTemp; table_context->thermal_controller_type = powerplay_table->ucThermalControllerType; table_context->TDPODLimit = le32_to_cpu(powerplay_table->OverDrive8Table.ODSettingsMax[ATOM_VEGA20_ODSETTING_POWERPERCENTAGE]); @@ -3234,35 +3233,24 @@ static int vega20_set_watermarks_table(struct smu_context *smu, return 0; } -static const struct smu_temperature_range vega20_thermal_policy[] = -{ - {-273150, 99000, 99000, -273150, 99000, 99000, -273150, 99000, 99000}, - { 120000, 120000, 120000, 120000, 120000, 120000, 120000, 120000, 120000}, -}; - static int vega20_get_thermal_temperature_range(struct smu_context *smu, struct smu_temperature_range *range) { - + struct smu_table_context *table_context = &smu->smu_table; + ATOM_Vega20_POWERPLAYTABLE *powerplay_table = table_context->power_play_table; PPTable_t *pptable = smu->smu_table.driver_pptable; - if (!range) + if (!range || !powerplay_table) return -EINVAL; - memcpy(range, &vega20_thermal_policy[0], sizeof(struct smu_temperature_range)); - - range->max = pptable->TedgeLimit * - SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - range->edge_emergency_max = (pptable->TedgeLimit + CTF_OFFSET_EDGE) * - SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - range->hotspot_crit_max = pptable->ThotspotLimit * - SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - range->hotspot_emergency_max = (pptable->ThotspotLimit + CTF_OFFSET_HOTSPOT) * - SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - range->mem_crit_max = pptable->ThbmLimit * - SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - range->mem_emergency_max = (pptable->ThbmLimit + CTF_OFFSET_HBM)* - SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + /* The unit is temperature */ + range->min = 0; + range->max = powerplay_table->usSoftwareShutdownTemp; + range->edge_emergency_max = (pptable->TedgeLimit + CTF_OFFSET_EDGE); + range->hotspot_crit_max = pptable->ThotspotLimit; + range->hotspot_emergency_max = (pptable->ThotspotLimit + CTF_OFFSET_HOTSPOT); + range->mem_crit_max = pptable->ThbmLimit; + range->mem_emergency_max = (pptable->ThbmLimit + CTF_OFFSET_HBM); return 0; diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c index bc19dbd531ef..359030d5d818 100644 --- a/drivers/gpu/drm/bochs/bochs_kms.c +++ b/drivers/gpu/drm/bochs/bochs_kms.c @@ -191,6 +191,7 @@ int bochs_kms_init(struct bochs_device *bochs) bochs->dev->mode_config.fb_base = bochs->fb_base; bochs->dev->mode_config.preferred_depth = 24; bochs->dev->mode_config.prefer_shadow = 0; + bochs->dev->mode_config.prefer_shadow_fbdev = 1; bochs->dev->mode_config.quirk_addfb_prefer_host_byte_order = true; bochs->dev->mode_config.funcs = &bochs_mode_funcs; diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index ee777469293a..e4e22bbae2a7 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -48,6 +48,7 @@ config DRM_DUMB_VGA_DAC config DRM_LVDS_ENCODER tristate "Transparent parallel to LVDS encoder support" depends on OF + select DRM_KMS_HELPER select DRM_PANEL_BRIDGE help Support for transparent parallel to LVDS encoders that don't require @@ -116,9 +117,10 @@ config DRM_THINE_THC63LVD1024 config DRM_TOSHIBA_TC358764 tristate "TC358764 DSI/LVDS bridge" - depends on DRM && DRM_PANEL depends on OF select DRM_MIPI_DSI + select DRM_KMS_HELPER + select DRM_PANEL help Toshiba TC358764 DSI/LVDS bridge driver. diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c index 410572f14257..e1dafb0cc5e2 100644 --- a/drivers/gpu/drm/drm_client.c +++ b/drivers/gpu/drm/drm_client.c @@ -254,7 +254,6 @@ drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u struct drm_device *dev = client->dev; struct drm_client_buffer *buffer; struct drm_gem_object *obj; - void *vaddr; int ret; buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); @@ -281,6 +280,36 @@ drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u buffer->gem = obj; + return buffer; + +err_delete: + drm_client_buffer_delete(buffer); + + return ERR_PTR(ret); +} + +/** + * drm_client_buffer_vmap - Map DRM client buffer into address space + * @buffer: DRM client buffer + * + * This function maps a client buffer into kernel address space. If the + * buffer is already mapped, it returns the mapping's address. + * + * Client buffer mappings are not ref'counted. Each call to + * drm_client_buffer_vmap() should be followed by a call to + * drm_client_buffer_vunmap(); or the client buffer should be mapped + * throughout its lifetime. + * + * Returns: + * The mapped memory's address + */ +void *drm_client_buffer_vmap(struct drm_client_buffer *buffer) +{ + void *vaddr; + + if (buffer->vaddr) + return buffer->vaddr; + /* * FIXME: The dependency on GEM here isn't required, we could * convert the driver handle to a dma-buf instead and use the @@ -289,21 +318,30 @@ drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u * fd_install step out of the driver backend hooks, to make that * final step optional for internal users. */ - vaddr = drm_gem_vmap(obj); - if (IS_ERR(vaddr)) { - ret = PTR_ERR(vaddr); - goto err_delete; - } + vaddr = drm_gem_vmap(buffer->gem); + if (IS_ERR(vaddr)) + return vaddr; buffer->vaddr = vaddr; - return buffer; - -err_delete: - drm_client_buffer_delete(buffer); + return vaddr; +} +EXPORT_SYMBOL(drm_client_buffer_vmap); - return ERR_PTR(ret); +/** + * drm_client_buffer_vunmap - Unmap DRM client buffer + * @buffer: DRM client buffer + * + * This function removes a client buffer's memory mapping. Calling this + * function is only required by clients that manage their buffer mappings + * by themselves. + */ +void drm_client_buffer_vunmap(struct drm_client_buffer *buffer) +{ + drm_gem_vunmap(buffer->gem, buffer->vaddr); + buffer->vaddr = NULL; } +EXPORT_SYMBOL(drm_client_buffer_vunmap); static void drm_client_buffer_rmfb(struct drm_client_buffer *buffer) { diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 1984e5c54d58..a7ba5b4902d6 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -403,6 +403,7 @@ static void drm_fb_helper_dirty_work(struct work_struct *work) struct drm_clip_rect *clip = &helper->dirty_clip; struct drm_clip_rect clip_copy; unsigned long flags; + void *vaddr; spin_lock_irqsave(&helper->dirty_lock, flags); clip_copy = *clip; @@ -412,10 +413,20 @@ static void drm_fb_helper_dirty_work(struct work_struct *work) /* call dirty callback only when it has been really touched */ if (clip_copy.x1 < clip_copy.x2 && clip_copy.y1 < clip_copy.y2) { + /* Generic fbdev uses a shadow buffer */ - if (helper->buffer) + if (helper->buffer) { + vaddr = drm_client_buffer_vmap(helper->buffer); + if (IS_ERR(vaddr)) + return; drm_fb_helper_dirty_blit_real(helper, &clip_copy); - helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, &clip_copy, 1); + } + if (helper->fb->funcs->dirty) + helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, + &clip_copy, 1); + + if (helper->buffer) + drm_client_buffer_vunmap(helper->buffer); } } @@ -604,6 +615,16 @@ void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper) } EXPORT_SYMBOL(drm_fb_helper_unlink_fbi); +static bool drm_fbdev_use_shadow_fb(struct drm_fb_helper *fb_helper) +{ + struct drm_device *dev = fb_helper->dev; + struct drm_framebuffer *fb = fb_helper->fb; + + return dev->mode_config.prefer_shadow_fbdev || + dev->mode_config.prefer_shadow || + fb->funcs->dirty; +} + static void drm_fb_helper_dirty(struct fb_info *info, u32 x, u32 y, u32 width, u32 height) { @@ -611,7 +632,7 @@ static void drm_fb_helper_dirty(struct fb_info *info, u32 x, u32 y, struct drm_clip_rect *clip = &helper->dirty_clip; unsigned long flags; - if (!helper->fb->funcs->dirty) + if (!drm_fbdev_use_shadow_fb(helper)) return; spin_lock_irqsave(&helper->dirty_lock, flags); @@ -2178,6 +2199,7 @@ int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper, struct drm_framebuffer *fb; struct fb_info *fbi; u32 format; + void *vaddr; DRM_DEBUG_KMS("surface width(%d), height(%d) and bpp(%d)\n", sizes->surface_width, sizes->surface_height, @@ -2200,16 +2222,10 @@ int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper, fbi->fbops = &drm_fbdev_fb_ops; fbi->screen_size = fb->height * fb->pitches[0]; fbi->fix.smem_len = fbi->screen_size; - fbi->screen_buffer = buffer->vaddr; - /* Shamelessly leak the physical address to user-space */ -#if IS_ENABLED(CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM) - if (drm_leak_fbdev_smem && fbi->fix.smem_start == 0) - fbi->fix.smem_start = - page_to_phys(virt_to_page(fbi->screen_buffer)); -#endif + drm_fb_helper_fill_info(fbi, fb_helper, sizes); - if (fb->funcs->dirty) { + if (drm_fbdev_use_shadow_fb(fb_helper)) { struct fb_ops *fbops; void *shadow; @@ -2231,6 +2247,19 @@ int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper, fbi->fbdefio = &drm_fbdev_defio; fb_deferred_io_init(fbi); + } else { + /* buffer is mapped for HW framebuffer */ + vaddr = drm_client_buffer_vmap(fb_helper->buffer); + if (IS_ERR(vaddr)) + return PTR_ERR(vaddr); + + fbi->screen_buffer = vaddr; + /* Shamelessly leak the physical address to user-space */ +#if IS_ENABLED(CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM) + if (drm_leak_fbdev_smem && fbi->fix.smem_start == 0) + fbi->fix.smem_start = + page_to_phys(virt_to_page(fbi->screen_buffer)); +#endif } return 0; diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 80fcd5dc1558..b0369e690f36 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -1770,7 +1770,9 @@ bool drm_mode_parse_command_line_for_connector(const char *mode_option, } if (named_mode) { - strncpy(mode->name, name, mode_end); + if (mode_end + 1 > DRM_DISPLAY_MODE_LEN) + return false; + strscpy(mode->name, name, mode_end + 1); } else { ret = drm_mode_parse_cmdline_res_mode(name, mode_end, parse_extras, diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 60ce4a8ad9e1..6f7d3b3b3628 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -2,6 +2,7 @@ config DRM_EXYNOS tristate "DRM Support for Samsung SoC EXYNOS Series" depends on OF && DRM && (ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || ARCH_MULTIPLATFORM || COMPILE_TEST) + depends on MMU select DRM_KMS_HELPER select VIDEOMODE_HELPERS select SND_SOC_HDMI_CODEC if SND_SOC diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index a594ab7be2c0..164d914cbe9a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -44,7 +44,7 @@ static unsigned int fimc_mask = 0xc; module_param_named(fimc_devs, fimc_mask, uint, 0644); MODULE_PARM_DESC(fimc_devs, "Alias mask for assigning FIMC devices to Exynos DRM"); -#define get_fimc_context(dev) platform_get_drvdata(to_platform_device(dev)) +#define get_fimc_context(dev) dev_get_drvdata(dev) enum { FIMC_CLK_LCLK, diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 50904eee96f7..2a3382d43bc9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -267,7 +267,7 @@ static inline void g2d_hw_reset(struct g2d_data *g2d) static int g2d_init_cmdlist(struct g2d_data *g2d) { struct device *dev = g2d->dev; - struct g2d_cmdlist_node *node = g2d->cmdlist_node; + struct g2d_cmdlist_node *node; int nr; int ret; struct g2d_buf_info *buf_info; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 1e4b21c49a06..1c524db9570f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -58,7 +58,7 @@ #define GSC_COEF_DEPTH 3 #define GSC_AUTOSUSPEND_DELAY 2000 -#define get_gsc_context(dev) platform_get_drvdata(to_platform_device(dev)) +#define get_gsc_context(dev) dev_get_drvdata(dev) #define gsc_read(offset) readl(ctx->regs + (offset)) #define gsc_write(cfg, offset) writel(cfg, ctx->regs + (offset)) diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c index 9af096479e1c..b24ba948b725 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c +++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c @@ -94,12 +94,12 @@ static inline int scaler_reset(struct scaler_context *scaler) scaler_write(SCALER_CFG_SOFT_RESET, SCALER_CFG); do { cpu_relax(); - } while (retry > 1 && + } while (--retry > 1 && scaler_read(SCALER_CFG) & SCALER_CFG_SOFT_RESET); do { cpu_relax(); scaler_write(1, SCALER_INT_EN); - } while (retry > 0 && scaler_read(SCALER_INT_EN) != 1); + } while (--retry > 0 && scaler_read(SCALER_INT_EN) != 1); return retry ? 0 : -EIO; } diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index c4710889cb32..3ef4e9f573cf 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -765,7 +765,7 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) } if (bdb->version >= 226) { - u32 wakeup_time = psr_table->psr2_tp2_tp3_wakeup_time; + u32 wakeup_time = psr->psr2_tp2_tp3_wakeup_time; wakeup_time = (wakeup_time >> (2 * panel_type)) & 0x3; switch (wakeup_time) { diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 753ac3165061..7b908e10d32e 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -178,6 +178,8 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv) clpchgroup = (sa->deburst * deinterleave / num_channels) << i; bi->num_planes = (ipqdepth - clpchgroup) / clpchgroup + 1; + bi->num_qgv_points = qi.num_points; + for (j = 0; j < qi.num_points; j++) { const struct intel_qgv_point *sp = &qi.points[j]; int ct, bw; @@ -195,7 +197,7 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv) bi->deratedbw[j] = min(maxdebw, bw * 9 / 10); /* 90% */ - DRM_DEBUG_KMS("BW%d / QGV %d: num_planes=%d deratedbw=%d\n", + DRM_DEBUG_KMS("BW%d / QGV %d: num_planes=%d deratedbw=%u\n", i, j, bi->num_planes, bi->deratedbw[j]); } @@ -211,14 +213,17 @@ static unsigned int icl_max_bw(struct drm_i915_private *dev_priv, { int i; - /* Did we initialize the bw limits successfully? */ - if (dev_priv->max_bw[0].num_planes == 0) - return UINT_MAX; - for (i = 0; i < ARRAY_SIZE(dev_priv->max_bw); i++) { const struct intel_bw_info *bi = &dev_priv->max_bw[i]; + /* + * Pcode will not expose all QGV points when + * SAGV is forced to off/min/med/max. + */ + if (qgv_point >= bi->num_qgv_points) + return UINT_MAX; + if (num_planes >= bi->num_planes) return bi->deratedbw[qgv_point]; } diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 8993ab283562..0d19bbd08122 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -2240,6 +2240,17 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state) min_cdclk = max(2 * 96000, min_cdclk); /* + * "For DP audio configuration, cdclk frequency shall be set to + * meet the following requirements: + * DP Link Frequency(MHz) | Cdclk frequency(MHz) + * 270 | 320 or higher + * 162 | 200 or higher" + */ + if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && + intel_crtc_has_dp_encoder(crtc_state) && crtc_state->has_audio) + min_cdclk = max(crtc_state->port_clock, min_cdclk); + + /* * On Valleyview some DSI panels lose (v|h)sync when the clock is lower * than 320000KHz. */ diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 30b97ded6fdd..592b92782fab 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1839,7 +1839,7 @@ static void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state) /* FIXME: assert CPU port conditions for SNB+ */ } - trace_intel_pipe_enable(dev_priv, pipe); + trace_intel_pipe_enable(crtc); reg = PIPECONF(cpu_transcoder); val = I915_READ(reg); @@ -1880,7 +1880,7 @@ static void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state) */ assert_planes_disabled(crtc); - trace_intel_pipe_disable(dev_priv, pipe); + trace_intel_pipe_disable(crtc); reg = PIPECONF(cpu_transcoder); val = I915_READ(reg); diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index c93ad512014c..2d1939db108f 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -438,16 +438,23 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv, #define ICL_AUX_PW_TO_CH(pw_idx) \ ((pw_idx) - ICL_PW_CTL_IDX_AUX_A + AUX_CH_A) +#define ICL_TBT_AUX_PW_TO_CH(pw_idx) \ + ((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C) + static void icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, struct i915_power_well *power_well) { - enum aux_ch aux_ch = ICL_AUX_PW_TO_CH(power_well->desc->hsw.idx); + int pw_idx = power_well->desc->hsw.idx; + bool is_tbt = power_well->desc->hsw.is_tc_tbt; + enum aux_ch aux_ch; u32 val; + aux_ch = is_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) : + ICL_AUX_PW_TO_CH(pw_idx); val = I915_READ(DP_AUX_CH_CTL(aux_ch)); val &= ~DP_AUX_CH_CTL_TBT_IO; - if (power_well->desc->hsw.is_tc_tbt) + if (is_tbt) val |= DP_AUX_CH_CTL_TBT_IO; I915_WRITE(DP_AUX_CH_CTL(aux_ch), val); diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index bc3a94d491c4..27bd7276a82d 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -536,7 +536,8 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector) if (drm_hdcp_check_ksvs_revoked(dev, ksv_fifo, num_downstream)) { DRM_ERROR("Revoked Ksv(s) in ksv_fifo\n"); - return -EPERM; + ret = -EPERM; + goto err; } /* diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 2f4894e9a03d..5ddbe71ab423 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -478,13 +478,13 @@ struct psr_table { /* TP wake up time in multiple of 100 */ u16 tp1_wakeup_time; u16 tp2_tp3_wakeup_time; - - /* PSR2 TP2/TP3 wakeup time for 16 panels */ - u32 psr2_tp2_tp3_wakeup_time; } __packed; struct bdb_psr { struct psr_table psr_table[16]; + + /* PSR2 TP2/TP3 wakeup time for 16 panels */ + u32 psr2_tp2_tp3_wakeup_time; } __packed; /* diff --git a/drivers/gpu/drm/i915/display/vlv_dsi_pll.c b/drivers/gpu/drm/i915/display/vlv_dsi_pll.c index 99cc3e2e9c2c..f016a776a39e 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi_pll.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi_pll.c @@ -396,8 +396,8 @@ static void glk_dsi_program_esc_clock(struct drm_device *dev, else txesc2_div = 10; - I915_WRITE(MIPIO_TXESC_CLK_DIV1, txesc1_div & GLK_TX_ESC_CLK_DIV1_MASK); - I915_WRITE(MIPIO_TXESC_CLK_DIV2, txesc2_div & GLK_TX_ESC_CLK_DIV2_MASK); + I915_WRITE(MIPIO_TXESC_CLK_DIV1, (1 << (txesc1_div - 1)) & GLK_TX_ESC_CLK_DIV1_MASK); + I915_WRITE(MIPIO_TXESC_CLK_DIV2, (1 << (txesc2_div - 1)) & GLK_TX_ESC_CLK_DIV2_MASK); } /* Program BXT Mipi clocks and dividers */ diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 5fae0e50aad0..41dab9ea33cd 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -1628,6 +1628,7 @@ static int check_relocations(const struct drm_i915_gem_exec_object2 *entry) static int eb_copy_relocations(const struct i915_execbuffer *eb) { + struct drm_i915_gem_relocation_entry *relocs; const unsigned int count = eb->buffer_count; unsigned int i; int err; @@ -1635,7 +1636,6 @@ static int eb_copy_relocations(const struct i915_execbuffer *eb) for (i = 0; i < count; i++) { const unsigned int nreloc = eb->exec[i].relocation_count; struct drm_i915_gem_relocation_entry __user *urelocs; - struct drm_i915_gem_relocation_entry *relocs; unsigned long size; unsigned long copied; @@ -1663,14 +1663,8 @@ static int eb_copy_relocations(const struct i915_execbuffer *eb) if (__copy_from_user((char *)relocs + copied, (char __user *)urelocs + copied, - len)) { -end_user: - user_access_end(); -end: - kvfree(relocs); - err = -EFAULT; - goto err; - } + len)) + goto end; copied += len; } while (copied < size); @@ -1699,10 +1693,14 @@ end: return 0; +end_user: + user_access_end(); +end: + kvfree(relocs); + err = -EFAULT; err: while (i--) { - struct drm_i915_gem_relocation_entry *relocs = - u64_to_ptr(typeof(*relocs), eb->exec[i].relocs_ptr); + relocs = u64_to_ptr(typeof(*relocs), eb->exec[i].relocs_ptr); if (eb->exec[i].relocation_count) kvfree(relocs); } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_pm.c index 05011d4a3b88..914b5d4112bb 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pm.c @@ -253,14 +253,15 @@ void i915_gem_resume(struct drm_i915_private *i915) i915_gem_restore_gtt_mappings(i915); i915_gem_restore_fences(i915); + if (i915_gem_init_hw(i915)) + goto err_wedged; + /* * As we didn't flush the kernel context before suspend, we cannot * guarantee that the context image is complete. So let's just reset * it and start again. */ - intel_gt_resume(i915); - - if (i915_gem_init_hw(i915)) + if (intel_gt_resume(i915)) goto err_wedged; intel_uc_resume(i915); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 528b61678334..2caa594322bc 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -664,7 +664,15 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj, for_each_sgt_page(page, sgt_iter, pages) { if (obj->mm.dirty) - set_page_dirty(page); + /* + * As this may not be anonymous memory (e.g. shmem) + * but exist on a real mapping, we have to lock + * the page in order to dirty it -- holding + * the page reference is not sufficient to + * prevent the inode from being truncated. + * Play safe and take the lock. + */ + set_page_dirty_lock(page); mark_page_accessed(page); put_page(page); diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index 2c454f227c2e..23120901c55f 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -126,6 +126,7 @@ static void intel_context_retire(struct i915_active *active) if (ce->state) __context_unpin_state(ce->state); + intel_ring_unpin(ce->ring); intel_context_put(ce); } @@ -160,27 +161,35 @@ int intel_context_active_acquire(struct intel_context *ce, unsigned long flags) intel_context_get(ce); + err = intel_ring_pin(ce->ring); + if (err) + goto err_put; + if (!ce->state) return 0; err = __context_pin_state(ce->state, flags); - if (err) { - i915_active_cancel(&ce->active); - intel_context_put(ce); - return err; - } + if (err) + goto err_ring; /* Preallocate tracking nodes */ if (!i915_gem_context_is_kernel(ce->gem_context)) { err = i915_active_acquire_preallocate_barrier(&ce->active, ce->engine); - if (err) { - i915_active_release(&ce->active); - return err; - } + if (err) + goto err_state; } return 0; + +err_state: + __context_unpin_state(ce->state); +err_ring: + intel_ring_unpin(ce->ring); +err_put: + intel_context_put(ce); + i915_active_cancel(&ce->active); + return err; } void intel_context_active_release(struct intel_context *ce) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 7fd33e81c2d9..f25632c9b292 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -969,9 +969,14 @@ const char *i915_cache_level_str(struct drm_i915_private *i915, int type) u32 intel_calculate_mcr_s_ss_select(struct drm_i915_private *dev_priv) { const struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu; + unsigned int slice = fls(sseu->slice_mask) - 1; + unsigned int subslice; u32 mcr_s_ss_select; - u32 slice = fls(sseu->slice_mask); - u32 subslice = fls(sseu->subslice_mask[slice]); + + GEM_BUG_ON(slice >= ARRAY_SIZE(sseu->subslice_mask)); + subslice = fls(sseu->subslice_mask[slice]); + GEM_BUG_ON(!subslice); + subslice--; if (IS_GEN(dev_priv, 10)) mcr_s_ss_select = GEN8_MCR_SLICE(slice) | @@ -1471,6 +1476,7 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct i915_gpu_error * const error = &engine->i915->gpu_error; struct i915_request *rq; intel_wakeref_t wakeref; + unsigned long flags; if (header) { va_list ap; @@ -1490,10 +1496,9 @@ void intel_engine_dump(struct intel_engine_cs *engine, i915_reset_engine_count(error, engine), i915_reset_count(error)); - rcu_read_lock(); - drm_printf(m, "\tRequests:\n"); + spin_lock_irqsave(&engine->active.lock, flags); rq = intel_engine_find_active_request(engine); if (rq) { print_request(m, rq, "\t\tactive "); @@ -1513,8 +1518,7 @@ void intel_engine_dump(struct intel_engine_cs *engine, print_request_ring(m, rq); } - - rcu_read_unlock(); + spin_unlock_irqrestore(&engine->active.lock, flags); wakeref = intel_runtime_pm_get_if_in_use(&engine->i915->runtime_pm); if (wakeref) { @@ -1672,7 +1676,6 @@ struct i915_request * intel_engine_find_active_request(struct intel_engine_cs *engine) { struct i915_request *request, *active = NULL; - unsigned long flags; /* * We are called by the error capture, reset and to dump engine @@ -1685,7 +1688,7 @@ intel_engine_find_active_request(struct intel_engine_cs *engine) * At all other times, we must assume the GPU is still running, but * we only care about the snapshot of this moment. */ - spin_lock_irqsave(&engine->active.lock, flags); + lockdep_assert_held(&engine->active.lock); list_for_each_entry(request, &engine->active.requests, sched.link) { if (i915_request_completed(request)) continue; @@ -1700,7 +1703,6 @@ intel_engine_find_active_request(struct intel_engine_cs *engine) active = request; break; } - spin_unlock_irqrestore(&engine->active.lock, flags); return active; } diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c index 2ce00d3dc42a..ae5b6baf6dff 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c @@ -142,27 +142,3 @@ void intel_engine_init__pm(struct intel_engine_cs *engine) { intel_wakeref_init(&engine->wakeref); } - -int intel_engines_resume(struct drm_i915_private *i915) -{ - struct intel_engine_cs *engine; - enum intel_engine_id id; - int err = 0; - - intel_gt_pm_get(i915); - for_each_engine(engine, i915, id) { - intel_engine_pm_get(engine); - engine->serial++; /* kernel context lost */ - err = engine->resume(engine); - intel_engine_pm_put(engine); - if (err) { - dev_err(i915->drm.dev, - "Failed to restart %s (%d)\n", - engine->name, err); - break; - } - } - intel_gt_pm_put(i915); - - return err; -} diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.h b/drivers/gpu/drm/i915/gt/intel_engine_pm.h index b326cd993d60..a11c893f64c6 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_pm.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.h @@ -7,16 +7,22 @@ #ifndef INTEL_ENGINE_PM_H #define INTEL_ENGINE_PM_H +#include "intel_engine_types.h" +#include "intel_wakeref.h" + struct drm_i915_private; -struct intel_engine_cs; void intel_engine_pm_get(struct intel_engine_cs *engine); void intel_engine_pm_put(struct intel_engine_cs *engine); +static inline bool +intel_engine_pm_get_if_awake(struct intel_engine_cs *engine) +{ + return intel_wakeref_get_if_active(&engine->wakeref); +} + void intel_engine_park(struct intel_engine_cs *engine); void intel_engine_init__pm(struct intel_engine_cs *engine); -int intel_engines_resume(struct drm_i915_private *i915); - #endif /* INTEL_ENGINE_PM_H */ diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index 868b220214f8..43e975a26016 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -70,6 +70,18 @@ struct intel_ring { struct list_head request_list; struct list_head active_link; + /* + * As we have two types of rings, one global to the engine used + * by ringbuffer submission and those that are exclusive to a + * context used by execlists, we have to play safe and allow + * atomic updates to the pin_count. However, the actual pinning + * of the context is either done during initialisation for + * ringbuffer submission or serialised as part of the context + * pinning for execlists, and so we do not need a mutex ourselves + * to serialise intel_ring_pin/intel_ring_unpin. + */ + atomic_t pin_count; + u32 head; u32 tail; u32 emit; diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index 7b5967751762..9f8f7f54191f 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -5,6 +5,7 @@ */ #include "i915_drv.h" +#include "intel_engine_pm.h" #include "intel_gt_pm.h" #include "intel_pm.h" #include "intel_wakeref.h" @@ -118,10 +119,11 @@ void intel_gt_sanitize(struct drm_i915_private *i915, bool force) intel_engine_reset(engine, false); } -void intel_gt_resume(struct drm_i915_private *i915) +int intel_gt_resume(struct drm_i915_private *i915) { struct intel_engine_cs *engine; enum intel_engine_id id; + int err = 0; /* * After resume, we may need to poke into the pinned kernel @@ -129,9 +131,12 @@ void intel_gt_resume(struct drm_i915_private *i915) * Only the kernel contexts should remain pinned over suspend, * allowing us to fixup the user contexts on their first pin. */ + intel_gt_pm_get(i915); for_each_engine(engine, i915, id) { struct intel_context *ce; + intel_engine_pm_get(engine); + ce = engine->kernel_context; if (ce) ce->ops->reset(ce); @@ -139,5 +144,19 @@ void intel_gt_resume(struct drm_i915_private *i915) ce = engine->preempt_context; if (ce) ce->ops->reset(ce); + + engine->serial++; /* kernel context lost */ + err = engine->resume(engine); + + intel_engine_pm_put(engine); + if (err) { + dev_err(i915->drm.dev, + "Failed to restart %s (%d)\n", + engine->name, err); + break; + } } + intel_gt_pm_put(i915); + + return err; } diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.h b/drivers/gpu/drm/i915/gt/intel_gt_pm.h index 7dd1130a19a4..53f342b20181 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.h @@ -22,6 +22,6 @@ void intel_gt_pm_put(struct drm_i915_private *i915); void intel_gt_pm_init(struct drm_i915_private *i915); void intel_gt_sanitize(struct drm_i915_private *i915, bool force); -void intel_gt_resume(struct drm_i915_private *i915); +int intel_gt_resume(struct drm_i915_private *i915); #endif /* INTEL_GT_PM_H */ diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index b42b5f158295..82b7ace62d97 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -1414,6 +1414,7 @@ static void execlists_context_destroy(struct kref *kref) { struct intel_context *ce = container_of(kref, typeof(*ce), ref); + GEM_BUG_ON(!i915_active_is_idle(&ce->active)); GEM_BUG_ON(intel_context_is_pinned(ce)); if (ce->state) @@ -1426,7 +1427,6 @@ static void execlists_context_unpin(struct intel_context *ce) { i915_gem_context_unpin_hw_id(ce->gem_context); i915_gem_object_unpin_map(ce->state->obj); - intel_ring_unpin(ce->ring); } static void @@ -1478,13 +1478,9 @@ __execlists_context_pin(struct intel_context *ce, goto unpin_active; } - ret = intel_ring_pin(ce->ring); - if (ret) - goto unpin_map; - ret = i915_gem_context_pin_hw_id(ce->gem_context); if (ret) - goto unpin_ring; + goto unpin_map; ce->lrc_desc = lrc_descriptor(ce, engine); ce->lrc_reg_state = vaddr + LRC_STATE_PN * PAGE_SIZE; @@ -1492,8 +1488,6 @@ __execlists_context_pin(struct intel_context *ce, return 0; -unpin_ring: - intel_ring_unpin(ce->ring); unpin_map: i915_gem_object_unpin_map(ce->state->obj); unpin_active: diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 4c478b38e420..3f907701ef4d 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -687,7 +687,6 @@ static void reset_prepare_engine(struct intel_engine_cs *engine) * written to the powercontext is undefined and so we may lose * GPU state upon resume, i.e. fail to restart after a reset. */ - intel_engine_pm_get(engine); intel_uncore_forcewake_get(engine->uncore, FORCEWAKE_ALL); engine->reset.prepare(engine); } @@ -718,16 +717,21 @@ static void revoke_mmaps(struct drm_i915_private *i915) } } -static void reset_prepare(struct drm_i915_private *i915) +static intel_engine_mask_t reset_prepare(struct drm_i915_private *i915) { struct intel_engine_cs *engine; + intel_engine_mask_t awake = 0; enum intel_engine_id id; - intel_gt_pm_get(i915); - for_each_engine(engine, i915, id) + for_each_engine(engine, i915, id) { + if (intel_engine_pm_get_if_awake(engine)) + awake |= engine->mask; reset_prepare_engine(engine); + } intel_uc_reset_prepare(i915); + + return awake; } static void gt_revoke(struct drm_i915_private *i915) @@ -761,20 +765,22 @@ static int gt_reset(struct drm_i915_private *i915, static void reset_finish_engine(struct intel_engine_cs *engine) { engine->reset.finish(engine); - intel_engine_pm_put(engine); intel_uncore_forcewake_put(engine->uncore, FORCEWAKE_ALL); + + intel_engine_signal_breadcrumbs(engine); } -static void reset_finish(struct drm_i915_private *i915) +static void reset_finish(struct drm_i915_private *i915, + intel_engine_mask_t awake) { struct intel_engine_cs *engine; enum intel_engine_id id; for_each_engine(engine, i915, id) { reset_finish_engine(engine); - intel_engine_signal_breadcrumbs(engine); + if (awake & engine->mask) + intel_engine_pm_put(engine); } - intel_gt_pm_put(i915); } static void nop_submit_request(struct i915_request *request) @@ -798,6 +804,7 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915) { struct i915_gpu_error *error = &i915->gpu_error; struct intel_engine_cs *engine; + intel_engine_mask_t awake; enum intel_engine_id id; if (test_bit(I915_WEDGED, &error->flags)) @@ -817,7 +824,7 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915) * rolling the global seqno forward (since this would complete requests * for which we haven't set the fence error to EIO yet). */ - reset_prepare(i915); + awake = reset_prepare(i915); /* Even if the GPU reset fails, it should still stop the engines */ if (!INTEL_INFO(i915)->gpu_reset_clobbers_display) @@ -841,7 +848,7 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915) for_each_engine(engine, i915, id) engine->cancel_requests(engine); - reset_finish(i915); + reset_finish(i915, awake); GEM_TRACE("end\n"); } @@ -951,6 +958,21 @@ static int do_reset(struct drm_i915_private *i915, return gt_reset(i915, stalled_mask); } +static int resume(struct drm_i915_private *i915) +{ + struct intel_engine_cs *engine; + enum intel_engine_id id; + int ret; + + for_each_engine(engine, i915, id) { + ret = engine->resume(engine); + if (ret) + return ret; + } + + return 0; +} + /** * i915_reset - reset chip after a hang * @i915: #drm_i915_private to reset @@ -973,6 +995,7 @@ void i915_reset(struct drm_i915_private *i915, const char *reason) { struct i915_gpu_error *error = &i915->gpu_error; + intel_engine_mask_t awake; int ret; GEM_TRACE("flags=%lx\n", error->flags); @@ -989,7 +1012,7 @@ void i915_reset(struct drm_i915_private *i915, dev_notice(i915->drm.dev, "Resetting chip for %s\n", reason); error->reset_count++; - reset_prepare(i915); + awake = reset_prepare(i915); if (!intel_has_gpu_reset(i915)) { if (i915_modparams.reset) @@ -1024,13 +1047,17 @@ void i915_reset(struct drm_i915_private *i915, if (ret) { DRM_ERROR("Failed to initialise HW following reset (%d)\n", ret); - goto error; + goto taint; } + ret = resume(i915); + if (ret) + goto taint; + i915_queue_hangcheck(i915); finish: - reset_finish(i915); + reset_finish(i915, awake); unlock: mutex_unlock(&error->wedge_mutex); return; @@ -1081,7 +1108,7 @@ int i915_reset_engine(struct intel_engine_cs *engine, const char *msg) GEM_TRACE("%s flags=%lx\n", engine->name, error->flags); GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, &error->flags)); - if (!intel_wakeref_active(&engine->wakeref)) + if (!intel_engine_pm_get_if_awake(engine)) return 0; reset_prepare_engine(engine); @@ -1116,12 +1143,11 @@ int i915_reset_engine(struct intel_engine_cs *engine, const char *msg) * process to program RING_MODE, HWSP and re-enable submission. */ ret = engine->resume(engine); - if (ret) - goto out; out: intel_engine_cancel_stop_cs(engine); reset_finish_engine(engine); + intel_engine_pm_put(engine); return ret; } diff --git a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c index c6023bc9452d..12010e798868 100644 --- a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c @@ -1149,16 +1149,16 @@ i915_emit_bb_start(struct i915_request *rq, int intel_ring_pin(struct intel_ring *ring) { struct i915_vma *vma = ring->vma; - enum i915_map_type map = i915_coherent_map_type(vma->vm->i915); unsigned int flags; void *addr; int ret; - GEM_BUG_ON(ring->vaddr); + if (atomic_fetch_inc(&ring->pin_count)) + return 0; ret = i915_timeline_pin(ring->timeline); if (ret) - return ret; + goto err_unpin; flags = PIN_GLOBAL; @@ -1172,26 +1172,31 @@ int intel_ring_pin(struct intel_ring *ring) ret = i915_vma_pin(vma, 0, 0, flags); if (unlikely(ret)) - goto unpin_timeline; + goto err_timeline; if (i915_vma_is_map_and_fenceable(vma)) addr = (void __force *)i915_vma_pin_iomap(vma); else - addr = i915_gem_object_pin_map(vma->obj, map); + addr = i915_gem_object_pin_map(vma->obj, + i915_coherent_map_type(vma->vm->i915)); if (IS_ERR(addr)) { ret = PTR_ERR(addr); - goto unpin_ring; + goto err_ring; } vma->obj->pin_global++; + GEM_BUG_ON(ring->vaddr); ring->vaddr = addr; + return 0; -unpin_ring: +err_ring: i915_vma_unpin(vma); -unpin_timeline: +err_timeline: i915_timeline_unpin(ring->timeline); +err_unpin: + atomic_dec(&ring->pin_count); return ret; } @@ -1207,16 +1212,19 @@ void intel_ring_reset(struct intel_ring *ring, u32 tail) void intel_ring_unpin(struct intel_ring *ring) { - GEM_BUG_ON(!ring->vma); - GEM_BUG_ON(!ring->vaddr); + if (!atomic_dec_and_test(&ring->pin_count)) + return; /* Discard any unused bytes beyond that submitted to hw. */ intel_ring_reset(ring, ring->tail); + GEM_BUG_ON(!ring->vma); if (i915_vma_is_map_and_fenceable(ring->vma)) i915_vma_unpin_iomap(ring->vma); else i915_gem_object_unpin_map(ring->vma->obj); + + GEM_BUG_ON(!ring->vaddr); ring->vaddr = NULL; ring->vma->obj->pin_global--; @@ -2081,10 +2089,11 @@ static void ring_destroy(struct intel_engine_cs *engine) WARN_ON(INTEL_GEN(dev_priv) > 2 && (ENGINE_READ(engine, RING_MI_MODE) & MODE_IDLE) == 0); + intel_engine_cleanup_common(engine); + intel_ring_unpin(engine->buffer); intel_ring_put(engine->buffer); - intel_engine_cleanup_common(engine); kfree(engine); } diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 15e90fd2cfdc..98dfb086320f 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1098,10 +1098,25 @@ static void glk_whitelist_build(struct intel_engine_cs *engine) static void cfl_whitelist_build(struct intel_engine_cs *engine) { + struct i915_wa_list *w = &engine->whitelist; + if (engine->class != RENDER_CLASS) return; - gen9_whitelist_build(&engine->whitelist); + gen9_whitelist_build(w); + + /* + * WaAllowPMDepthAndInvocationCountAccessFromUMD:cfl,whl,cml,aml + * + * This covers 4 register which are next to one another : + * - PS_INVOCATION_COUNT + * - PS_INVOCATION_COUNT_UDW + * - PS_DEPTH_COUNT + * - PS_DEPTH_COUNT_UDW + */ + whitelist_reg_ext(w, PS_INVOCATION_COUNT, + RING_FORCE_TO_NONPRIV_RD | + RING_FORCE_TO_NONPRIV_RANGE_4); } static void cnl_whitelist_build(struct intel_engine_cs *engine) @@ -1129,6 +1144,19 @@ static void icl_whitelist_build(struct intel_engine_cs *engine) /* WaEnableStateCacheRedirectToCS:icl */ whitelist_reg(w, GEN9_SLICE_COMMON_ECO_CHICKEN1); + + /* + * WaAllowPMDepthAndInvocationCountAccessFromUMD:icl + * + * This covers 4 register which are next to one another : + * - PS_INVOCATION_COUNT + * - PS_INVOCATION_COUNT_UDW + * - PS_DEPTH_COUNT + * - PS_DEPTH_COUNT_UDW + */ + whitelist_reg_ext(w, PS_INVOCATION_COUNT, + RING_FORCE_TO_NONPRIV_RD | + RING_FORCE_TO_NONPRIV_RANGE_4); break; case VIDEO_DECODE_CLASS: @@ -1258,8 +1286,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) if (IS_ICL_REVID(i915, ICL_REVID_A0, ICL_REVID_B0)) wa_write_or(wal, GEN7_SARCHKMD, - GEN7_DISABLE_DEMAND_PREFETCH | - GEN7_DISABLE_SAMPLER_PREFETCH); + GEN7_DISABLE_DEMAND_PREFETCH); + + /* Wa_1606682166:icl */ + wa_write_or(wal, + GEN7_SARCHKMD, + GEN7_DISABLE_SAMPLER_PREFETCH); } if (IS_GEN_RANGE(i915, 9, 11)) { diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c index 086801b51441..486c6953dcb1 100644 --- a/drivers/gpu/drm/i915/gt/mock_engine.c +++ b/drivers/gpu/drm/i915/gt/mock_engine.c @@ -66,6 +66,7 @@ static struct intel_ring *mock_ring(struct intel_engine_cs *engine) ring->base.effective_size = sz; ring->base.vaddr = (void *)(ring + 1); ring->base.timeline = &ring->timeline; + atomic_set(&ring->base.pin_count, 1); INIT_LIST_HEAD(&ring->base.request_list); intel_ring_update_space(&ring->base); diff --git a/drivers/gpu/drm/i915/gt/selftest_reset.c b/drivers/gpu/drm/i915/gt/selftest_reset.c index 89da9e7cc1ba..b5c590c9ccba 100644 --- a/drivers/gpu/drm/i915/gt/selftest_reset.c +++ b/drivers/gpu/drm/i915/gt/selftest_reset.c @@ -71,13 +71,16 @@ static int igt_atomic_reset(void *arg) goto unlock; for (p = igt_atomic_phases; p->name; p++) { + intel_engine_mask_t awake; + GEM_TRACE("intel_gpu_reset under %s\n", p->name); + awake = reset_prepare(i915); p->critical_section_begin(); reset_prepare(i915); err = intel_gpu_reset(i915, ALL_ENGINES); - reset_finish(i915); p->critical_section_end(); + reset_finish(i915, awake); if (err) { pr_err("intel_gpu_reset failed under %s\n", p->name); diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c index 9eaf030affd0..44becd9538be 100644 --- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c +++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c @@ -925,7 +925,12 @@ check_whitelisted_registers(struct intel_engine_cs *engine, err = 0; for (i = 0; i < engine->whitelist.count; i++) { - if (!fn(engine, a[i], b[i], engine->whitelist.list[i].reg)) + const struct i915_wa *wa = &engine->whitelist.list[i]; + + if (i915_mmio_reg_offset(wa->reg) & RING_FORCE_TO_NONPRIV_RD) + continue; + + if (!fn(engine, a[i], b[i], wa->reg)) err = -EINVAL; } diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 6ea88270c818..b09dc315e2da 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -2674,11 +2674,6 @@ static int scan_workload(struct intel_vgpu_workload *workload) gma_head == gma_tail) return 0; - if (!intel_gvt_ggtt_validate_range(s.vgpu, s.ring_start, s.ring_size)) { - ret = -EINVAL; - goto out; - } - ret = ip_gma_set(&s, gma_head); if (ret) goto out; @@ -2724,11 +2719,6 @@ static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) s.workload = workload; s.is_ctx_wa = true; - if (!intel_gvt_ggtt_validate_range(s.vgpu, s.ring_start, s.ring_size)) { - ret = -EINVAL; - goto out; - } - ret = ip_gma_set(&s, gma_head); if (ret) goto out; diff --git a/drivers/gpu/drm/i915/gvt/fb_decoder.c b/drivers/gpu/drm/i915/gvt/fb_decoder.c index 65e847392aea..8bb292b01271 100644 --- a/drivers/gpu/drm/i915/gvt/fb_decoder.c +++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c @@ -245,7 +245,7 @@ int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu, plane->hw_format = fmt; plane->base = vgpu_vreg_t(vgpu, DSPSURF(pipe)) & I915_GTT_PAGE_MASK; - if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) + if (!vgpu_gmadr_is_valid(vgpu, plane->base)) return -EINVAL; plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base); @@ -368,7 +368,7 @@ int intel_vgpu_decode_cursor_plane(struct intel_vgpu *vgpu, alpha_plane, alpha_force); plane->base = vgpu_vreg_t(vgpu, CURBASE(pipe)) & I915_GTT_PAGE_MASK; - if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) + if (!vgpu_gmadr_is_valid(vgpu, plane->base)) return -EINVAL; plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base); @@ -472,7 +472,7 @@ int intel_vgpu_decode_sprite_plane(struct intel_vgpu *vgpu, plane->drm_format = drm_format; plane->base = vgpu_vreg_t(vgpu, SPRSURF(pipe)) & I915_GTT_PAGE_MASK; - if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) + if (!vgpu_gmadr_is_valid(vgpu, plane->base)) return -EINVAL; plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base); diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 53115bdae12b..4b04af569c05 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -2141,11 +2141,20 @@ static int emulate_ggtt_mmio_read(struct intel_vgpu *vgpu, struct intel_vgpu_mm *ggtt_mm = vgpu->gtt.ggtt_mm; const struct intel_gvt_device_info *info = &vgpu->gvt->device_info; unsigned long index = off >> info->gtt_entry_size_shift; + unsigned long gma; struct intel_gvt_gtt_entry e; if (bytes != 4 && bytes != 8) return -EINVAL; + gma = index << I915_GTT_PAGE_SHIFT; + if (!intel_gvt_ggtt_validate_range(vgpu, + gma, 1 << I915_GTT_PAGE_SHIFT)) { + gvt_dbg_mm("read invalid ggtt at 0x%lx\n", gma); + memset(p_data, 0, bytes); + return 0; + } + ggtt_get_guest_entry(ggtt_mm, &e, index); memcpy(p_data, (void *)&e.val64 + (off & (info->gtt_entry_size - 1)), bytes); diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 144301b778df..23aa3e50cbf8 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1911,6 +1911,18 @@ static int kvmgt_dma_map_guest_page(unsigned long handle, unsigned long gfn, ret = __gvt_cache_add(info->vgpu, gfn, *dma_addr, size); if (ret) goto err_unmap; + } else if (entry->size != size) { + /* the same gfn with different size: unmap and re-map */ + gvt_dma_unmap_page(vgpu, gfn, entry->dma_addr, entry->size); + __gvt_cache_remove_entry(vgpu, entry); + + ret = gvt_dma_map_page(vgpu, gfn, dma_addr, size); + if (ret) + goto err_unlock; + + ret = __gvt_cache_add(info->vgpu, gfn, *dma_addr, size); + if (ret) + goto err_unmap; } else { kref_get(&entry->ref); *dma_addr = entry->dma_addr; diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 2144fb46d0e1..9f3fd7d96a69 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -364,16 +364,13 @@ static void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) wa_ctx->indirect_ctx.shadow_va = NULL; } -static int set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload, - struct i915_gem_context *ctx) +static void set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload, + struct i915_gem_context *ctx) { struct intel_vgpu_mm *mm = workload->shadow_mm; struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(ctx->vm); int i = 0; - if (mm->type != INTEL_GVT_MM_PPGTT || !mm->ppgtt_mm.shadowed) - return -EINVAL; - if (mm->ppgtt_mm.root_entry_type == GTT_TYPE_PPGTT_ROOT_L4_ENTRY) { px_dma(ppgtt->pd) = mm->ppgtt_mm.shadow_pdps[0]; } else { @@ -384,8 +381,6 @@ static int set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload, px_dma(pd) = mm->ppgtt_mm.shadow_pdps[i]; } } - - return 0; } static int @@ -614,6 +609,8 @@ static void release_shadow_batch_buffer(struct intel_vgpu_workload *workload) static int prepare_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; + struct intel_vgpu_submission *s = &vgpu->submission; + int ring = workload->ring_id; int ret = 0; ret = intel_vgpu_pin_mm(workload->shadow_mm); @@ -622,8 +619,16 @@ static int prepare_workload(struct intel_vgpu_workload *workload) return ret; } + if (workload->shadow_mm->type != INTEL_GVT_MM_PPGTT || + !workload->shadow_mm->ppgtt_mm.shadowed) { + gvt_vgpu_err("workload shadow ppgtt isn't ready\n"); + return -EINVAL; + } + update_shadow_pdps(workload); + set_context_ppgtt_from_shadow(workload, s->shadow[ring]->gem_context); + ret = intel_vgpu_sync_oos_pages(workload->vgpu); if (ret) { gvt_vgpu_err("fail to vgpu sync oos pages\n"); @@ -674,7 +679,6 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - struct intel_vgpu_submission *s = &vgpu->submission; struct i915_request *rq; int ring_id = workload->ring_id; int ret; @@ -685,13 +689,6 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) mutex_lock(&vgpu->vgpu_lock); mutex_lock(&dev_priv->drm.struct_mutex); - ret = set_context_ppgtt_from_shadow(workload, - s->shadow[ring_id]->gem_context); - if (ret < 0) { - gvt_vgpu_err("workload shadow ppgtt isn't ready\n"); - goto err_req; - } - ret = intel_gvt_workload_req_alloc(workload); if (ret) goto err_req; @@ -990,6 +987,7 @@ static int workload_thread(void *priv) int ret; bool need_force_wake = (INTEL_GEN(gvt->dev_priv) >= 9); DEFINE_WAIT_FUNC(wait, woken_wake_function); + struct intel_runtime_pm *rpm = &gvt->dev_priv->runtime_pm; kfree(p); @@ -1013,6 +1011,8 @@ static int workload_thread(void *priv) workload->ring_id, workload, workload->vgpu->id); + intel_runtime_pm_get(rpm); + gvt_dbg_sched("ring id %d will dispatch workload %p\n", workload->ring_id, workload); @@ -1042,6 +1042,7 @@ complete: intel_uncore_forcewake_put(&gvt->dev_priv->uncore, FORCEWAKE_ALL); + intel_runtime_pm_put_unchecked(rpm); if (ret && (vgpu_is_vm_unhealthy(ret))) enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR); } @@ -1492,6 +1493,12 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, intel_gvt_hypervisor_read_gpa(vgpu, ring_context_gpa + RING_CTX_OFF(ctx_ctrl.val), &ctx_ctl, 4); + if (!intel_gvt_ggtt_validate_range(vgpu, start, + _RING_CTL_BUF_SIZE(ctl))) { + gvt_vgpu_err("context contain invalid rb at: 0x%x\n", start); + return ERR_PTR(-EINVAL); + } + workload = alloc_workload(vgpu); if (IS_ERR(workload)) return workload; @@ -1516,9 +1523,31 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, workload->wa_ctx.indirect_ctx.size = (indirect_ctx & INDIRECT_CTX_SIZE_MASK) * CACHELINE_BYTES; + + if (workload->wa_ctx.indirect_ctx.size != 0) { + if (!intel_gvt_ggtt_validate_range(vgpu, + workload->wa_ctx.indirect_ctx.guest_gma, + workload->wa_ctx.indirect_ctx.size)) { + kmem_cache_free(s->workloads, workload); + gvt_vgpu_err("invalid wa_ctx at: 0x%lx\n", + workload->wa_ctx.indirect_ctx.guest_gma); + return ERR_PTR(-EINVAL); + } + } + workload->wa_ctx.per_ctx.guest_gma = per_ctx & PER_CTX_ADDR_MASK; workload->wa_ctx.per_ctx.valid = per_ctx & 1; + if (workload->wa_ctx.per_ctx.valid) { + if (!intel_gvt_ggtt_validate_range(vgpu, + workload->wa_ctx.per_ctx.guest_gma, + CACHELINE_BYTES)) { + kmem_cache_free(s->workloads, workload); + gvt_vgpu_err("invalid per_ctx at: 0x%lx\n", + workload->wa_ctx.per_ctx.guest_gma); + return ERR_PTR(-EINVAL); + } + } } gvt_dbg_el("workload %p ring id %d head %x tail %x start %x ctl %x\n", diff --git a/drivers/gpu/drm/i915/gvt/trace_points.c b/drivers/gpu/drm/i915/gvt/trace_points.c index a3deed692b9c..fe552e877e09 100644 --- a/drivers/gpu/drm/i915/gvt/trace_points.c +++ b/drivers/gpu/drm/i915/gvt/trace_points.c @@ -28,8 +28,6 @@ * */ -#include "trace.h" - #ifndef __CHECKER__ #define CREATE_TRACE_POINTS #include "trace.h" diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index bc909ec5d9c3..fe7a6ec2c199 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1674,8 +1674,9 @@ struct drm_i915_private { } dram_info; struct intel_bw_info { - int num_planes; - int deratedbw[3]; + unsigned int deratedbw[3]; /* for each QGV point */ + u8 num_qgv_points; + u8 num_planes; } max_bw[6]; struct drm_private_obj bw_obj; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 190ad54fb072..8a659d3d7435 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -46,7 +46,6 @@ #include "gem/i915_gem_ioctls.h" #include "gem/i915_gem_pm.h" #include "gem/i915_gemfs.h" -#include "gt/intel_engine_pm.h" #include "gt/intel_gt_pm.h" #include "gt/intel_mocs.h" #include "gt/intel_reset.h" @@ -1307,21 +1306,13 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv) intel_mocs_init_l3cc_table(dev_priv); - /* Only when the HW is re-initialised, can we replay the requests */ - ret = intel_engines_resume(dev_priv); - if (ret) - goto cleanup_uc; - intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); intel_engines_set_scheduler_caps(dev_priv); return 0; -cleanup_uc: - intel_uc_fini_hw(dev_priv); out: intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); - return ret; } @@ -1580,6 +1571,11 @@ int i915_gem_init(struct drm_i915_private *dev_priv) if (ret) goto err_uc_init; + /* Only when the HW is re-initialised, can we replay the requests */ + ret = intel_gt_resume(dev_priv); + if (ret) + goto err_init_hw; + /* * Despite its name intel_init_clock_gating applies both display * clock gating workarounds; GT mmio workarounds and the occasional @@ -1593,20 +1589,20 @@ int i915_gem_init(struct drm_i915_private *dev_priv) ret = intel_engines_verify_workarounds(dev_priv); if (ret) - goto err_init_hw; + goto err_gt; ret = __intel_engines_record_defaults(dev_priv); if (ret) - goto err_init_hw; + goto err_gt; if (i915_inject_load_failure()) { ret = -ENODEV; - goto err_init_hw; + goto err_gt; } if (i915_inject_load_failure()) { ret = -EIO; - goto err_init_hw; + goto err_gt; } intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); @@ -1620,7 +1616,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) * HW as irrevisibly wedged, but keep enough state around that the * driver doesn't explode during runtime. */ -err_init_hw: +err_gt: mutex_unlock(&dev_priv->drm.struct_mutex); i915_gem_set_wedged(dev_priv); @@ -1630,6 +1626,7 @@ err_init_hw: i915_gem_drain_workqueue(dev_priv); mutex_lock(&dev_priv->drm.struct_mutex); +err_init_hw: intel_uc_fini_hw(dev_priv); err_uc_init: intel_uc_fini(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 8ab820145ea6..7015a97b1097 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1444,9 +1444,11 @@ unwind_pd: spin_lock(&pdp->lock); if (atomic_dec_and_test(&pd->used)) { gen8_ppgtt_set_pdpe(pdp, vm->scratch_pd, pdpe); + pdp->entry[pdpe] = vm->scratch_pd; GEM_BUG_ON(!atomic_read(&pdp->used)); atomic_dec(&pdp->used); - free_pd(vm, pd); + GEM_BUG_ON(alloc); + alloc = pd; /* defer the free to after the lock */ } spin_unlock(&pdp->lock); unwind: @@ -1515,7 +1517,9 @@ unwind_pdp: spin_lock(&pml4->lock); if (atomic_dec_and_test(&pdp->used)) { gen8_ppgtt_set_pml4e(pml4, vm->scratch_pdp, pml4e); - free_pd(vm, pdp); + pml4->entry[pml4e] = vm->scratch_pdp; + GEM_BUG_ON(alloc); + alloc = pdp; /* defer the free until after the lock */ } spin_unlock(&pml4->lock); unwind: diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 41a511d5267f..8bc76fcff70d 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1418,6 +1418,7 @@ static void gem_record_rings(struct i915_gpu_state *error) struct intel_engine_cs *engine = i915->engine[i]; struct drm_i915_error_engine *ee = &error->engine[i]; struct i915_request *request; + unsigned long flags; ee->engine_id = -1; @@ -1429,10 +1430,11 @@ static void gem_record_rings(struct i915_gpu_state *error) error_record_engine_registers(error, engine, ee); error_record_engine_execlists(engine, ee); + spin_lock_irqsave(&engine->active.lock, flags); request = intel_engine_find_active_request(engine); if (request) { struct i915_gem_context *ctx = request->gem_context; - struct intel_ring *ring; + struct intel_ring *ring = request->ring; ee->vm = ctx->vm ?: &ggtt->vm; @@ -1462,7 +1464,6 @@ static void gem_record_rings(struct i915_gpu_state *error) ee->rq_post = request->postfix; ee->rq_tail = request->tail; - ring = request->ring; ee->cpu_ring_head = ring->head; ee->cpu_ring_tail = ring->tail; ee->ringbuffer = @@ -1470,6 +1471,7 @@ static void gem_record_rings(struct i915_gpu_state *error) engine_record_requests(engine, request, ee); } + spin_unlock_irqrestore(&engine->active.lock, flags); ee->hws_page = i915_error_object_create(i915, diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index a700c5c3d167..5140017f9a39 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1567,28 +1567,10 @@ static void config_oa_regs(struct drm_i915_private *dev_priv, } } -static int hsw_enable_metric_set(struct i915_perf_stream *stream) +static void delay_after_mux(void) { - struct drm_i915_private *dev_priv = stream->dev_priv; - const struct i915_oa_config *oa_config = stream->oa_config; - - /* PRM: - * - * OA unit is using “crclk” for its functionality. When trunk - * level clock gating takes place, OA clock would be gated, - * unable to count the events from non-render clock domain. - * Render clock gating must be disabled when OA is enabled to - * count the events from non-render domain. Unit level clock - * gating for RCS should also be disabled. - */ - I915_WRITE(GEN7_MISCCPCTL, (I915_READ(GEN7_MISCCPCTL) & - ~GEN7_DOP_CLOCK_GATE_ENABLE)); - I915_WRITE(GEN6_UCGCTL1, (I915_READ(GEN6_UCGCTL1) | - GEN6_CSUNIT_CLOCK_GATE_DISABLE)); - - config_oa_regs(dev_priv, oa_config->mux_regs, oa_config->mux_regs_len); - - /* It apparently takes a fairly long time for a new MUX + /* + * It apparently takes a fairly long time for a new MUX * configuration to be be applied after these register writes. * This delay duration was derived empirically based on the * render_basic config but hopefully it covers the maximum @@ -1610,6 +1592,30 @@ static int hsw_enable_metric_set(struct i915_perf_stream *stream) * a delay at this location would mitigate any invalid reports. */ usleep_range(15000, 20000); +} + +static int hsw_enable_metric_set(struct i915_perf_stream *stream) +{ + struct drm_i915_private *dev_priv = stream->dev_priv; + const struct i915_oa_config *oa_config = stream->oa_config; + + /* + * PRM: + * + * OA unit is using “crclk” for its functionality. When trunk + * level clock gating takes place, OA clock would be gated, + * unable to count the events from non-render clock domain. + * Render clock gating must be disabled when OA is enabled to + * count the events from non-render domain. Unit level clock + * gating for RCS should also be disabled. + */ + I915_WRITE(GEN7_MISCCPCTL, (I915_READ(GEN7_MISCCPCTL) & + ~GEN7_DOP_CLOCK_GATE_ENABLE)); + I915_WRITE(GEN6_UCGCTL1, (I915_READ(GEN6_UCGCTL1) | + GEN6_CSUNIT_CLOCK_GATE_DISABLE)); + + config_oa_regs(dev_priv, oa_config->mux_regs, oa_config->mux_regs_len); + delay_after_mux(); config_oa_regs(dev_priv, oa_config->b_counter_regs, oa_config->b_counter_regs_len); @@ -1835,6 +1841,7 @@ static int gen8_enable_metric_set(struct i915_perf_stream *stream) return ret; config_oa_regs(dev_priv, oa_config->mux_regs, oa_config->mux_regs_len); + delay_after_mux(); config_oa_regs(dev_priv, oa_config->b_counter_regs, oa_config->b_counter_regs_len); @@ -2515,6 +2522,9 @@ static int i915_perf_release(struct inode *inode, struct file *file) i915_perf_destroy_locked(stream); mutex_unlock(&dev_priv->perf.lock); + /* Release the reference the perf stream kept on the driver. */ + drm_dev_put(&dev_priv->drm); + return 0; } @@ -2650,6 +2660,11 @@ i915_perf_open_ioctl_locked(struct drm_i915_private *dev_priv, if (!(param->flags & I915_PERF_FLAG_DISABLED)) i915_perf_enable_locked(stream); + /* Take a reference on the driver that will be kept with stream_fd + * until its release. + */ + drm_dev_get(&dev_priv->drm); + return stream_fd; err_open: @@ -3477,9 +3492,13 @@ void i915_perf_init(struct drm_i915_private *dev_priv) dev_priv->perf.oa.ops.enable_metric_set = gen8_enable_metric_set; dev_priv->perf.oa.ops.disable_metric_set = gen10_disable_metric_set; - dev_priv->perf.oa.ctx_oactxctrl_offset = 0x128; - dev_priv->perf.oa.ctx_flexeu0_offset = 0x3de; - + if (IS_GEN(dev_priv, 10)) { + dev_priv->perf.oa.ctx_oactxctrl_offset = 0x128; + dev_priv->perf.oa.ctx_flexeu0_offset = 0x3de; + } else { + dev_priv->perf.oa.ctx_oactxctrl_offset = 0x124; + dev_priv->perf.oa.ctx_flexeu0_offset = 0x78e; + } dev_priv->perf.oa.gen8_valid_ctx_bit = (1<<16); } } diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index f4ce643b3bc3..cce426b23a24 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -21,24 +21,22 @@ /* watermark/fifo updates */ TRACE_EVENT(intel_pipe_enable, - TP_PROTO(struct drm_i915_private *dev_priv, enum pipe pipe), - TP_ARGS(dev_priv, pipe), + TP_PROTO(struct intel_crtc *crtc), + TP_ARGS(crtc), TP_STRUCT__entry( __array(u32, frame, 3) __array(u32, scanline, 3) __field(enum pipe, pipe) ), - TP_fast_assign( - enum pipe _pipe; - for_each_pipe(dev_priv, _pipe) { - __entry->frame[_pipe] = - dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, _pipe); - __entry->scanline[_pipe] = - intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, _pipe)); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_crtc *it__; + for_each_intel_crtc(&dev_priv->drm, it__) { + __entry->frame[it__->pipe] = intel_crtc_get_vblank_counter(it__); + __entry->scanline[it__->pipe] = intel_get_crtc_scanline(it__); } - __entry->pipe = pipe; + __entry->pipe = crtc->pipe; ), TP_printk("pipe %c enable, pipe A: frame=%u, scanline=%u, pipe B: frame=%u, scanline=%u, pipe C: frame=%u, scanline=%u", @@ -49,8 +47,8 @@ TRACE_EVENT(intel_pipe_enable, ); TRACE_EVENT(intel_pipe_disable, - TP_PROTO(struct drm_i915_private *dev_priv, enum pipe pipe), - TP_ARGS(dev_priv, pipe), + TP_PROTO(struct intel_crtc *crtc), + TP_ARGS(crtc), TP_STRUCT__entry( __array(u32, frame, 3) @@ -59,14 +57,13 @@ TRACE_EVENT(intel_pipe_disable, ), TP_fast_assign( - enum pipe _pipe; - for_each_pipe(dev_priv, _pipe) { - __entry->frame[_pipe] = - dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, _pipe); - __entry->scanline[_pipe] = - intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, _pipe)); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_crtc *it__; + for_each_intel_crtc(&dev_priv->drm, it__) { + __entry->frame[it__->pipe] = intel_crtc_get_vblank_counter(it__); + __entry->scanline[it__->pipe] = intel_get_crtc_scanline(it__); } - __entry->pipe = pipe; + __entry->pipe = crtc->pipe; ), TP_printk("pipe %c disable, pipe A: frame=%u, scanline=%u, pipe B: frame=%u, scanline=%u, pipe C: frame=%u, scanline=%u", @@ -89,8 +86,7 @@ TRACE_EVENT(intel_pipe_crc, TP_fast_assign( __entry->pipe = crtc->pipe; - __entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev, - crtc->pipe); + __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); memcpy(__entry->crcs, crcs, sizeof(__entry->crcs)); ), @@ -112,9 +108,10 @@ TRACE_EVENT(intel_cpu_fifo_underrun, ), TP_fast_assign( + struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe); __entry->pipe = pipe; - __entry->frame = dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, pipe); - __entry->scanline = intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, pipe)); + __entry->frame = intel_crtc_get_vblank_counter(crtc); + __entry->scanline = intel_get_crtc_scanline(crtc); ), TP_printk("pipe %c, frame=%u, scanline=%u", @@ -134,9 +131,10 @@ TRACE_EVENT(intel_pch_fifo_underrun, TP_fast_assign( enum pipe pipe = pch_transcoder; + struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe); __entry->pipe = pipe; - __entry->frame = dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, pipe); - __entry->scanline = intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, pipe)); + __entry->frame = intel_crtc_get_vblank_counter(crtc); + __entry->scanline = intel_get_crtc_scanline(crtc); ), TP_printk("pch transcoder %c, frame=%u, scanline=%u", @@ -156,12 +154,10 @@ TRACE_EVENT(intel_memory_cxsr, ), TP_fast_assign( - enum pipe pipe; - for_each_pipe(dev_priv, pipe) { - __entry->frame[pipe] = - dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, pipe); - __entry->scanline[pipe] = - intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, pipe)); + struct intel_crtc *crtc; + for_each_intel_crtc(&dev_priv->drm, crtc) { + __entry->frame[crtc->pipe] = intel_crtc_get_vblank_counter(crtc); + __entry->scanline[crtc->pipe] = intel_get_crtc_scanline(crtc); } __entry->old = old; __entry->new = new; @@ -198,8 +194,7 @@ TRACE_EVENT(g4x_wm, TP_fast_assign( __entry->pipe = crtc->pipe; - __entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev, - crtc->pipe); + __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); __entry->primary = wm->pipe[crtc->pipe].plane[PLANE_PRIMARY]; __entry->sprite = wm->pipe[crtc->pipe].plane[PLANE_SPRITE0]; @@ -243,8 +238,7 @@ TRACE_EVENT(vlv_wm, TP_fast_assign( __entry->pipe = crtc->pipe; - __entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev, - crtc->pipe); + __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); __entry->level = wm->level; __entry->cxsr = wm->cxsr; @@ -278,8 +272,7 @@ TRACE_EVENT(vlv_fifo_size, TP_fast_assign( __entry->pipe = crtc->pipe; - __entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev, - crtc->pipe); + __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); __entry->sprite0_start = sprite0_start; __entry->sprite1_start = sprite1_start; @@ -310,8 +303,7 @@ TRACE_EVENT(intel_update_plane, TP_fast_assign( __entry->pipe = crtc->pipe; __entry->name = plane->name; - __entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev, - crtc->pipe); + __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); memcpy(__entry->src, &plane->state->src, sizeof(__entry->src)); memcpy(__entry->dst, &plane->state->dst, sizeof(__entry->dst)); @@ -338,8 +330,7 @@ TRACE_EVENT(intel_disable_plane, TP_fast_assign( __entry->pipe = crtc->pipe; __entry->name = plane->name; - __entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev, - crtc->pipe); + __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); ), @@ -364,8 +355,7 @@ TRACE_EVENT(i915_pipe_update_start, TP_fast_assign( __entry->pipe = crtc->pipe; - __entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev, - crtc->pipe); + __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); __entry->min = crtc->debug.min_vbl; __entry->max = crtc->debug.max_vbl; diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 502c54428570..8d1aebc3e857 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -221,13 +221,11 @@ __untrack_all_wakerefs(struct intel_runtime_pm_debug *debug, static void dump_and_free_wakeref_tracking(struct intel_runtime_pm_debug *debug) { - struct drm_printer p; + if (debug->count) { + struct drm_printer p = drm_debug_printer("i915"); - if (!debug->count) - return; - - p = drm_debug_printer("i915"); - __print_intel_runtime_pm_wakeref(&p, debug); + __print_intel_runtime_pm_wakeref(&p, debug); + } kfree(debug->owners); } diff --git a/drivers/gpu/drm/i915/intel_wakeref.h b/drivers/gpu/drm/i915/intel_wakeref.h index 9cbb2ebf575b..38275310b196 100644 --- a/drivers/gpu/drm/i915/intel_wakeref.h +++ b/drivers/gpu/drm/i915/intel_wakeref.h @@ -66,6 +66,21 @@ intel_wakeref_get(struct intel_runtime_pm *rpm, } /** + * intel_wakeref_get_if_in_use: Acquire the wakeref + * @wf: the wakeref + * + * Acquire a hold on the wakeref, but only if the wakeref is already + * active. + * + * Returns: true if the wakeref was acquired, false otherwise. + */ +static inline bool +intel_wakeref_get_if_active(struct intel_wakeref *wf) +{ + return atomic_inc_not_zero(&wf->count); +} + +/** * intel_wakeref_put: Release the wakeref * @i915: the drm_i915_private device * @wf: the wakeref diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 1671db47aa57..e9c55d1d6c04 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -59,6 +59,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: if (priv->lastctx == ctx) break; + /* fall-thru */ case MSM_SUBMIT_CMD_BUF: /* copy commands into RB: */ obj = submit->bos[submit->cmd[i].idx].obj; @@ -149,6 +150,7 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: if (priv->lastctx == ctx) break; + /* fall-thru */ case MSM_SUBMIT_CMD_BUF: OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3); OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index be39cf01e51e..dc8ec2c94301 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -115,6 +115,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: if (priv->lastctx == ctx) break; + /* fall-thru */ case MSM_SUBMIT_CMD_BUF: OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3); OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 9acbbc0f3232..048c8be426f3 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -428,6 +428,7 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, /* ignore if there has not been a ctx switch: */ if (priv->lastctx == ctx) break; + /* fall-thru */ case MSM_SUBMIT_CMD_BUF: OUT_PKT3(ring, adreno_is_a430(adreno_gpu) ? CP_INDIRECT_BUFFER_PFE : CP_INDIRECT_BUFFER_PFD, 2); diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c index ff14555372d0..78d5fa230c16 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c @@ -439,6 +439,18 @@ static void mdp5_crtc_atomic_disable(struct drm_crtc *crtc, mdp5_crtc->enabled = false; } +static void mdp5_crtc_vblank_on(struct drm_crtc *crtc) +{ + struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state); + struct mdp5_interface *intf = mdp5_cstate->pipeline.intf; + u32 count; + + count = intf->mode == MDP5_INTF_DSI_MODE_COMMAND ? 0 : 0xffffffff; + drm_crtc_set_max_vblank_count(crtc, count); + + drm_crtc_vblank_on(crtc); +} + static void mdp5_crtc_atomic_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state) { @@ -475,7 +487,7 @@ static void mdp5_crtc_atomic_enable(struct drm_crtc *crtc, } /* Restore vblank irq handling after power is enabled */ - drm_crtc_vblank_on(crtc); + mdp5_crtc_vblank_on(crtc); mdp5_crtc_mode_set_nofb(crtc); @@ -1028,6 +1040,8 @@ static void mdp5_crtc_reset(struct drm_crtc *crtc) mdp5_crtc_destroy_state(crtc, crtc->state); __drm_atomic_helper_crtc_reset(crtc, &mdp5_cstate->base); + + drm_crtc_vblank_reset(crtc); } static const struct drm_crtc_funcs mdp5_crtc_funcs = { diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c index 4a60f5fca6b0..fec6ef1ae3b9 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -740,7 +740,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) dev->driver->get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos; dev->driver->get_scanout_position = mdp5_get_scanoutpos; dev->driver->get_vblank_counter = mdp5_get_vblank_counter; - dev->max_vblank_count = 0xffffffff; + dev->max_vblank_count = 0; /* max_vblank_count is set on each CRTC */ dev->vblank_disable_immediate = true; return kms; diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index c226156f2dea..c356f5ccf253 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1279,7 +1279,8 @@ static int add_gpu_components(struct device *dev, if (!np) return 0; - drm_of_component_match_add(dev, matchptr, compare_of, np); + if (of_device_is_available(np)) + drm_of_component_match_add(dev, matchptr, compare_of, np); of_node_put(np); diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index c2114c748c2f..8cf6362e64bf 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -32,6 +32,46 @@ static bool use_pages(struct drm_gem_object *obj) return !msm_obj->vram_node; } +/* + * Cache sync.. this is a bit over-complicated, to fit dma-mapping + * API. Really GPU cache is out of scope here (handled on cmdstream) + * and all we need to do is invalidate newly allocated pages before + * mapping to CPU as uncached/writecombine. + * + * On top of this, we have the added headache, that depending on + * display generation, the display's iommu may be wired up to either + * the toplevel drm device (mdss), or to the mdp sub-node, meaning + * that here we either have dma-direct or iommu ops. + * + * Let this be a cautionary tail of abstraction gone wrong. + */ + +static void sync_for_device(struct msm_gem_object *msm_obj) +{ + struct device *dev = msm_obj->base.dev->dev; + + if (get_dma_ops(dev)) { + dma_sync_sg_for_device(dev, msm_obj->sgt->sgl, + msm_obj->sgt->nents, DMA_BIDIRECTIONAL); + } else { + dma_map_sg(dev, msm_obj->sgt->sgl, + msm_obj->sgt->nents, DMA_BIDIRECTIONAL); + } +} + +static void sync_for_cpu(struct msm_gem_object *msm_obj) +{ + struct device *dev = msm_obj->base.dev->dev; + + if (get_dma_ops(dev)) { + dma_sync_sg_for_cpu(dev, msm_obj->sgt->sgl, + msm_obj->sgt->nents, DMA_BIDIRECTIONAL); + } else { + dma_unmap_sg(dev, msm_obj->sgt->sgl, + msm_obj->sgt->nents, DMA_BIDIRECTIONAL); + } +} + /* allocate pages from VRAM carveout, used when no IOMMU: */ static struct page **get_pages_vram(struct drm_gem_object *obj, int npages) { @@ -97,8 +137,7 @@ static struct page **get_pages(struct drm_gem_object *obj) * because display controller, GPU, etc. are not coherent: */ if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED)) - dma_sync_sg_for_device(dev->dev, msm_obj->sgt->sgl, - msm_obj->sgt->nents, DMA_BIDIRECTIONAL); + sync_for_device(msm_obj); } return msm_obj->pages; @@ -127,9 +166,7 @@ static void put_pages(struct drm_gem_object *obj) * GPU, etc. are not coherent: */ if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED)) - dma_sync_sg_for_cpu(obj->dev->dev, msm_obj->sgt->sgl, - msm_obj->sgt->nents, - DMA_BIDIRECTIONAL); + sync_for_cpu(msm_obj); sg_free_table(msm_obj->sgt); kfree(msm_obj->sgt); diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index 8497768f1b41..126703816794 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -780,7 +780,7 @@ nv50_msto_atomic_check(struct drm_encoder *encoder, drm_dp_calc_pbn_mode(crtc_state->adjusted_mode.clock, connector->display_info.bpc * 3); - if (drm_atomic_crtc_needs_modeset(crtc_state)) { + if (crtc_state->mode_changed) { slots = drm_dp_atomic_find_vcpi_slots(state, &mstm->mgr, mstc->port, asyh->dp.pbn); diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c index 8c92374afcf2..a835cebb6d90 100644 --- a/drivers/gpu/drm/nouveau/nouveau_svm.c +++ b/drivers/gpu/drm/nouveau/nouveau_svm.c @@ -475,6 +475,47 @@ nouveau_svm_fault_cache(struct nouveau_svm *svm, fault->inst, fault->addr, fault->access); } +static inline bool +nouveau_range_done(struct hmm_range *range) +{ + bool ret = hmm_range_valid(range); + + hmm_range_unregister(range); + return ret; +} + +static int +nouveau_range_fault(struct hmm_mirror *mirror, struct hmm_range *range) +{ + long ret; + + range->default_flags = 0; + range->pfn_flags_mask = -1UL; + + ret = hmm_range_register(range, mirror, + range->start, range->end, + PAGE_SHIFT); + if (ret) { + up_read(&range->vma->vm_mm->mmap_sem); + return (int)ret; + } + + if (!hmm_range_wait_until_valid(range, HMM_RANGE_DEFAULT_TIMEOUT)) { + up_read(&range->vma->vm_mm->mmap_sem); + return -EAGAIN; + } + + ret = hmm_range_fault(range, true); + if (ret <= 0) { + if (ret == 0) + ret = -EBUSY; + up_read(&range->vma->vm_mm->mmap_sem); + hmm_range_unregister(range); + return ret; + } + return 0; +} + static int nouveau_svm_fault(struct nvif_notify *notify) { @@ -649,10 +690,10 @@ nouveau_svm_fault(struct nvif_notify *notify) range.values = nouveau_svm_pfn_values; range.pfn_shift = NVIF_VMM_PFNMAP_V0_ADDR_SHIFT; again: - ret = hmm_vma_fault(&svmm->mirror, &range, true); + ret = nouveau_range_fault(&svmm->mirror, &range); if (ret == 0) { mutex_lock(&svmm->mutex); - if (!hmm_vma_range_done(&range)) { + if (!nouveau_range_done(&range)) { mutex_unlock(&svmm->mutex); goto again; } @@ -666,8 +707,8 @@ again: NULL); svmm->vmm->vmm.object.client->super = false; mutex_unlock(&svmm->mutex); + up_read(&svmm->mm->mmap_sem); } - up_read(&svmm->mm->mmap_sem); /* Cancel any faults in the window whose pages didn't manage * to keep their valid bit, or stay writeable when required. diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 95e5c517a15f..9aae3d8e99ef 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -432,7 +432,7 @@ static int rockchip_dp_resume(struct device *dev) static const struct dev_pm_ops rockchip_dp_pm_ops = { #ifdef CONFIG_PM_SLEEP - .suspend = rockchip_dp_suspend, + .suspend_late = rockchip_dp_suspend, .resume_early = rockchip_dp_resume, #endif }; diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index 274cb955e2e1..bdcaa4c7168c 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -126,8 +126,12 @@ int tegra_output_probe(struct tegra_output *output) "nvidia,hpd-gpio", 0, GPIOD_IN, "HDMI hotplug detect"); - if (IS_ERR(output->hpd_gpio)) - return PTR_ERR(output->hpd_gpio); + if (IS_ERR(output->hpd_gpio)) { + if (PTR_ERR(output->hpd_gpio) != -ENOENT) + return PTR_ERR(output->hpd_gpio); + + output->hpd_gpio = NULL; + } if (output->hpd_gpio) { err = gpiod_to_irq(output->hpd_gpio); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c index e4e09d47c5c0..59e9d05ab928 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c @@ -389,8 +389,10 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg, break; } - if (retries == RETRIES) + if (retries == RETRIES) { + kfree(reply); return -EINVAL; + } *msg_len = reply_len; *msg = reply; diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c index 98bf694626f7..3a8c4a5971f7 100644 --- a/drivers/hid/hid-a4tech.c +++ b/drivers/hid/hid-a4tech.c @@ -23,12 +23,36 @@ #define A4_2WHEEL_MOUSE_HACK_7 0x01 #define A4_2WHEEL_MOUSE_HACK_B8 0x02 +#define A4_WHEEL_ORIENTATION (HID_UP_GENDESK | 0x000000b8) + struct a4tech_sc { unsigned long quirks; unsigned int hw_wheel; __s32 delayed_value; }; +static int a4_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct a4tech_sc *a4 = hid_get_drvdata(hdev); + + if (a4->quirks & A4_2WHEEL_MOUSE_HACK_B8 && + usage->hid == A4_WHEEL_ORIENTATION) { + /* + * We do not want to have this usage mapped to anything as it's + * nonstandard and doesn't really behave like an HID report. + * It's only selecting the orientation (vertical/horizontal) of + * the previous mouse wheel report. The input_events will be + * generated once both reports are recorded in a4_event(). + */ + return -1; + } + + return 0; + +} + static int a4_input_mapped(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) @@ -52,8 +76,7 @@ static int a4_event(struct hid_device *hdev, struct hid_field *field, struct a4tech_sc *a4 = hid_get_drvdata(hdev); struct input_dev *input; - if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || - !usage->type) + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput) return 0; input = field->hidinput->input; @@ -64,7 +87,7 @@ static int a4_event(struct hid_device *hdev, struct hid_field *field, return 1; } - if (usage->hid == 0x000100b8) { + if (usage->hid == A4_WHEEL_ORIENTATION) { input_event(input, EV_REL, value ? REL_HWHEEL : REL_WHEEL, a4->delayed_value); input_event(input, EV_REL, value ? REL_HWHEEL_HI_RES : @@ -131,6 +154,7 @@ MODULE_DEVICE_TABLE(hid, a4_devices); static struct hid_driver a4_driver = { .name = "a4tech", .id_table = a4_devices, + .input_mapping = a4_input_mapping, .input_mapped = a4_input_mapped, .event = a4_event, .probe = a4_probe, diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c index b3d502421b79..0a38e8e9bc78 100644 --- a/drivers/hid/hid-holtek-kbd.c +++ b/drivers/hid/hid-holtek-kbd.c @@ -123,9 +123,14 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type, /* Locate the boot interface, to receive the LED change events */ struct usb_interface *boot_interface = usb_ifnum_to_if(usb_dev, 0); + struct hid_device *boot_hid; + struct hid_input *boot_hid_input; - struct hid_device *boot_hid = usb_get_intfdata(boot_interface); - struct hid_input *boot_hid_input = list_first_entry(&boot_hid->inputs, + if (unlikely(boot_interface == NULL)) + return -ENODEV; + + boot_hid = usb_get_intfdata(boot_interface); + boot_hid_input = list_first_entry(&boot_hid->inputs, struct hid_input, list); return boot_hid_input->input->event(boot_hid_input->input, type, code, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 0d695f8e1b2c..0a00be19f7a0 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -568,6 +568,7 @@ #define USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A 0x0b4a #define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE 0x134a #define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_094A 0x094a +#define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_0641 0x0641 #define USB_VENDOR_ID_HUION 0x256c #define USB_DEVICE_ID_HUION_TABLET 0x006e @@ -768,7 +769,8 @@ #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER 0xc52f #define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2 0xc532 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_2 0xc534 -#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_GAMING 0xc539 +#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED 0xc539 +#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY 0xc53a #define USB_DEVICE_ID_SPACETRAVELLER 0xc623 #define USB_DEVICE_ID_SPACENAVIGATOR 0xc626 #define USB_DEVICE_ID_DINOVO_DESKTOP 0xc704 @@ -989,6 +991,7 @@ #define USB_DEVICE_ID_SAITEK_RAT7 0x0cd7 #define USB_DEVICE_ID_SAITEK_RAT9 0x0cfa #define USB_DEVICE_ID_SAITEK_MMO7 0x0cd0 +#define USB_DEVICE_ID_SAITEK_X52 0x075c #define USB_VENDOR_ID_SAMSUNG 0x0419 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 6196217a7d93..cc47f948c1d0 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -1125,7 +1125,7 @@ static int logi_dj_recv_query_hidpp_devices(struct dj_receiver_dev *djrcv_dev) HID_REQ_SET_REPORT); kfree(hidpp_report); - return retval; + return (retval < 0) ? retval : 0; } static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) @@ -1832,13 +1832,17 @@ static const struct hid_device_id logi_dj_receivers[] = { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_2), .driver_data = recvr_type_hidpp}, - { /* Logitech gaming receiver (0xc539) */ + { /* Logitech lightspeed receiver (0xc539) */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, - USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_GAMING), + USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED), .driver_data = recvr_type_gaming_hidpp}, { /* Logitech 27 MHz HID++ 1.0 receiver (0xc513) */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER), .driver_data = recvr_type_27mhz}, + { /* Logitech powerplay receiver (0xc53a) */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY), + .driver_data = recvr_type_gaming_hidpp}, { /* Logitech 27 MHz HID++ 1.0 receiver (0xc517) */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2), diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index e3b6245bf4b2..21268c9fa71a 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -3749,15 +3749,45 @@ static const struct hid_device_id hidpp_devices[] = { { L27MHZ_DEVICE(HID_ANY_ID) }, - { /* Logitech G403 Gaming Mouse over USB */ + { /* Logitech G203/Prodigy Gaming Mouse */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC084) }, + { /* Logitech G302 Gaming Mouse */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC07F) }, + { /* Logitech G303 Gaming Mouse */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC080) }, + { /* Logitech G400 Gaming Mouse */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC07E) }, + { /* Logitech G403 Wireless Gaming Mouse over USB */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC082) }, + { /* Logitech G403 Gaming Mouse */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC083) }, + { /* Logitech G403 Hero Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC08F) }, + { /* Logitech G502 Proteus Core Gaming Mouse */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC07D) }, + { /* Logitech G502 Proteus Spectrum Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC332) }, + { /* Logitech G502 Hero Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC08B) }, { /* Logitech G700 Gaming Mouse over USB */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC06B) }, + { /* Logitech G700s Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC07C) }, + { /* Logitech G703 Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC087) }, + { /* Logitech G703 Hero Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC090) }, { /* Logitech G900 Gaming Mouse over USB */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC081) }, + { /* Logitech G903 Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC086) }, + { /* Logitech G903 Hero Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC091) }, { /* Logitech G920 Wheel over USB */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL), .driver_data = HIDPP_QUIRK_CLASS_G920 | HIDPP_QUIRK_FORCE_OUTPUT_REPORTS}, + { /* Logitech G Pro Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC088) }, { /* MX5000 keyboard over Bluetooth */ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb305), diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 185a577c46f6..166f41f3173b 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -92,6 +92,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_094A), HID_QUIRK_ALWAYS_POLL }, + { HID_USB_DEVICE(USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE_0641), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6680), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_INNOMEDIA, USB_DEVICE_ID_INNEX_GENESIS_ATARI), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X), HID_QUIRK_MULTI_INPUT }, @@ -141,6 +142,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_RETROUSB, USB_DEVICE_ID_RETROUSB_SNES_RETROPAD), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, { HID_USB_DEVICE(USB_VENDOR_ID_RETROUSB, USB_DEVICE_ID_RETROUSB_SNES_RETROPORT), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD), HID_QUIRK_BADPAD }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, { HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD2), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB), HID_QUIRK_NOGET }, diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 93942063b51b..49dd2d905c7f 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -585,10 +585,14 @@ static void sony_set_leds(struct sony_sc *sc); static inline void sony_schedule_work(struct sony_sc *sc, enum sony_worker which) { + unsigned long flags; + switch (which) { case SONY_WORKER_STATE: - if (!sc->defer_initialization) + spin_lock_irqsave(&sc->lock, flags); + if (!sc->defer_initialization && sc->state_worker_initialized) schedule_work(&sc->state_worker); + spin_unlock_irqrestore(&sc->lock, flags); break; case SONY_WORKER_HOTPLUG: if (sc->hotplug_worker_initialized) @@ -2558,13 +2562,18 @@ static inline void sony_init_output_report(struct sony_sc *sc, static inline void sony_cancel_work_sync(struct sony_sc *sc) { + unsigned long flags; + if (sc->hotplug_worker_initialized) cancel_work_sync(&sc->hotplug_worker); - if (sc->state_worker_initialized) + if (sc->state_worker_initialized) { + spin_lock_irqsave(&sc->lock, flags); + sc->state_worker_initialized = 0; + spin_unlock_irqrestore(&sc->lock, flags); cancel_work_sync(&sc->state_worker); + } } - static int sony_input_configured(struct hid_device *hdev, struct hid_input *hidinput) { diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c index e12f2588ddeb..bdfc5ff3b2c5 100644 --- a/drivers/hid/hid-tmff.c +++ b/drivers/hid/hid-tmff.c @@ -22,6 +22,8 @@ #include "hid-ids.h" +#define THRUSTMASTER_DEVICE_ID_2_IN_1_DT 0xb320 + static const signed short ff_rumble[] = { FF_RUMBLE, -1 @@ -76,6 +78,7 @@ static int tmff_play(struct input_dev *dev, void *data, struct hid_field *ff_field = tmff->ff_field; int x, y; int left, right; /* Rumbling */ + int motor_swap; switch (effect->type) { case FF_CONSTANT: @@ -100,6 +103,13 @@ static int tmff_play(struct input_dev *dev, void *data, ff_field->logical_minimum, ff_field->logical_maximum); + /* 2-in-1 strong motor is left */ + if (hid->product == THRUSTMASTER_DEVICE_ID_2_IN_1_DT) { + motor_swap = left; + left = right; + right = motor_swap; + } + dbg_hid("(left,right)=(%08x, %08x)\n", left, right); ff_field->value[0] = left; ff_field->value[1] = right; @@ -226,6 +236,8 @@ static const struct hid_device_id tm_devices[] = { .driver_data = (unsigned long)ff_rumble }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304), /* FireStorm Dual Power 2 (and 3) */ .driver_data = (unsigned long)ff_rumble }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, THRUSTMASTER_DEVICE_ID_2_IN_1_DT), /* Dual Trigger 2-in-1 */ + .driver_data = (unsigned long)ff_rumble }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323), /* Dual Trigger 3-in-1 (PC Mode) */ .driver_data = (unsigned long)ff_rumble }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324), /* Dual Trigger 3-in-1 (PS3 Mode) */ diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 55b72573066b..4e11cc6fc34b 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -284,6 +284,14 @@ static int hiddev_open(struct inode *inode, struct file *file) spin_unlock_irq(&list->hiddev->list_lock); mutex_lock(&hiddev->existancelock); + /* + * recheck exist with existance lock held to + * avoid opening a disconnected device + */ + if (!list->hiddev->exist) { + res = -ENODEV; + goto bail_unlock; + } if (!list->hiddev->open++) if (list->hiddev->exist) { struct hid_device *hid = hiddev->hid; @@ -300,6 +308,10 @@ bail_normal_power: hid_hw_power(hid, PM_HINT_NORMAL); bail_unlock: mutex_unlock(&hiddev->existancelock); + + spin_lock_irq(&list->hiddev->list_lock); + list_del(&list->node); + spin_unlock_irq(&list->hiddev->list_lock); bail: file->private_data = NULL; vfree(list); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 8fc36a28081b..7a8ddc999a8e 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -533,14 +533,14 @@ static int wacom_intuos_pad(struct wacom_wac *wacom) */ buttons = (data[4] << 1) | (data[3] & 0x01); } else if (features->type == CINTIQ_COMPANION_2) { - /* d-pad right -> data[4] & 0x10 - * d-pad up -> data[4] & 0x20 - * d-pad left -> data[4] & 0x40 - * d-pad down -> data[4] & 0x80 - * d-pad center -> data[3] & 0x01 + /* d-pad right -> data[2] & 0x10 + * d-pad up -> data[2] & 0x20 + * d-pad left -> data[2] & 0x40 + * d-pad down -> data[2] & 0x80 + * d-pad center -> data[1] & 0x01 */ buttons = ((data[2] >> 4) << 7) | - ((data[1] & 0x04) << 6) | + ((data[1] & 0x04) << 4) | ((data[2] & 0x0F) << 2) | (data[1] & 0x03); } else if (features->type >= INTUOS5S && features->type <= INTUOSPL) { diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 3fb9c0a2d6d0..ce5ec403ec73 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -343,7 +343,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) data->sample_time = MSEC_PER_SEC / 2; break; case tmp75b: /* not one-shot mode, Conversion rate 37Hz */ - clr_mask |= 1 << 15 | 0x3 << 13; + clr_mask |= 1 << 7 | 0x3 << 5; data->resolution = 12; data->sample_time = MSEC_PER_SEC / 37; break; diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c index ec7bcf8d7cd6..f3dd2a17bd42 100644 --- a/drivers/hwmon/nct7802.c +++ b/drivers/hwmon/nct7802.c @@ -704,7 +704,7 @@ static struct attribute *nct7802_in_attrs[] = { &sensor_dev_attr_in3_alarm.dev_attr.attr, &sensor_dev_attr_in3_beep.dev_attr.attr, - &sensor_dev_attr_in4_input.dev_attr.attr, /* 17 */ + &sensor_dev_attr_in4_input.dev_attr.attr, /* 16 */ &sensor_dev_attr_in4_min.dev_attr.attr, &sensor_dev_attr_in4_max.dev_attr.attr, &sensor_dev_attr_in4_alarm.dev_attr.attr, @@ -730,9 +730,9 @@ static umode_t nct7802_in_is_visible(struct kobject *kobj, if (index >= 6 && index < 11 && (reg & 0x03) != 0x03) /* VSEN1 */ return 0; - if (index >= 11 && index < 17 && (reg & 0x0c) != 0x0c) /* VSEN2 */ + if (index >= 11 && index < 16 && (reg & 0x0c) != 0x0c) /* VSEN2 */ return 0; - if (index >= 17 && (reg & 0x30) != 0x30) /* VSEN3 */ + if (index >= 16 && (reg & 0x30) != 0x30) /* VSEN3 */ return 0; return attr->mode; diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c index 5c1ca0df5cb0..84f1dcb69827 100644 --- a/drivers/hwtracing/coresight/coresight-etm-perf.c +++ b/drivers/hwtracing/coresight/coresight-etm-perf.c @@ -544,6 +544,7 @@ int etm_perf_add_symlink_sink(struct coresight_device *csdev) /* See function coresight_get_sink_by_id() to know where this is used */ hash = hashlen_hash(hashlen_string(NULL, name)); + sysfs_attr_init(&ea->attr.attr); ea->attr.attr.name = devm_kstrdup(dev, name, GFP_KERNEL); if (!ea->attr.attr.name) return -ENOMEM; diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c index 8d55cdd69ff4..435c7d7377a3 100644 --- a/drivers/i2c/busses/i2c-at91-core.c +++ b/drivers/i2c/busses/i2c-at91-core.c @@ -142,7 +142,7 @@ static struct at91_twi_pdata sama5d4_config = { static struct at91_twi_pdata sama5d2_config = { .clk_max_div = 7, - .clk_offset = 4, + .clk_offset = 3, .has_unre_flag = true, .has_alt_cmd = true, .has_hold_field = true, diff --git a/drivers/i2c/busses/i2c-at91-master.c b/drivers/i2c/busses/i2c-at91-master.c index e87232f2e708..a3fcc35ffd3b 100644 --- a/drivers/i2c/busses/i2c-at91-master.c +++ b/drivers/i2c/busses/i2c-at91-master.c @@ -122,9 +122,11 @@ static void at91_twi_write_next_byte(struct at91_twi_dev *dev) writeb_relaxed(*dev->buf, dev->base + AT91_TWI_THR); /* send stop when last byte has been written */ - if (--dev->buf_len == 0) + if (--dev->buf_len == 0) { if (!dev->use_alt_cmd) at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); + at91_twi_write(dev, AT91_TWI_IDR, AT91_TWI_TXRDY); + } dev_dbg(dev->dev, "wrote 0x%x, to go %zu\n", *dev->buf, dev->buf_len); @@ -542,9 +544,8 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) } else { at91_twi_write_next_byte(dev); at91_twi_write(dev, AT91_TWI_IER, - AT91_TWI_TXCOMP | - AT91_TWI_NACK | - AT91_TWI_TXRDY); + AT91_TWI_TXCOMP | AT91_TWI_NACK | + (dev->buf_len ? AT91_TWI_TXRDY : 0)); } } diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index 2c7f145a036e..d7fd76baec92 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -392,16 +392,18 @@ static bool bcm_iproc_i2c_slave_isr(struct bcm_iproc_i2c_dev *iproc_i2c, static void bcm_iproc_i2c_read_valid_bytes(struct bcm_iproc_i2c_dev *iproc_i2c) { struct i2c_msg *msg = iproc_i2c->msg; + uint32_t val; /* Read valid data from RX FIFO */ while (iproc_i2c->rx_bytes < msg->len) { - if (!((iproc_i2c_rd_reg(iproc_i2c, M_FIFO_CTRL_OFFSET) >> M_FIFO_RX_CNT_SHIFT) - & M_FIFO_RX_CNT_MASK)) + val = iproc_i2c_rd_reg(iproc_i2c, M_RX_OFFSET); + + /* rx fifo empty */ + if (!((val >> M_RX_STATUS_SHIFT) & M_RX_STATUS_MASK)) break; msg->buf[iproc_i2c->rx_bytes] = - (iproc_i2c_rd_reg(iproc_i2c, M_RX_OFFSET) >> - M_RX_DATA_SHIFT) & M_RX_DATA_MASK; + (val >> M_RX_DATA_SHIFT) & M_RX_DATA_MASK; iproc_i2c->rx_bytes++; } } diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index d97fb857b0ea..c98ef4c4a0c9 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -435,6 +435,7 @@ static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) * fall through to the write state, as we will need to * send a byte as well */ + /* Fall through */ case STATE_WRITE: /* diff --git a/drivers/iio/accel/cros_ec_accel_legacy.c b/drivers/iio/accel/cros_ec_accel_legacy.c index 46bb2e421bb9..ad19d9c716f4 100644 --- a/drivers/iio/accel/cros_ec_accel_legacy.c +++ b/drivers/iio/accel/cros_ec_accel_legacy.c @@ -319,7 +319,6 @@ static const struct iio_chan_spec_ext_info cros_ec_accel_legacy_ext_info[] = { .modified = 1, \ .info_mask_separate = \ BIT(IIO_CHAN_INFO_RAW) | \ - BIT(IIO_CHAN_INFO_SCALE) | \ BIT(IIO_CHAN_INFO_CALIBBIAS), \ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SCALE), \ .ext_info = cros_ec_accel_legacy_ext_info, \ diff --git a/drivers/iio/adc/ingenic-adc.c b/drivers/iio/adc/ingenic-adc.c index 92b1d5037ac9..e234970b7150 100644 --- a/drivers/iio/adc/ingenic-adc.c +++ b/drivers/iio/adc/ingenic-adc.c @@ -11,6 +11,7 @@ #include <linux/iio/iio.h> #include <linux/io.h> #include <linux/iopoll.h> +#include <linux/kernel.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/platform_device.h> @@ -22,8 +23,11 @@ #define JZ_ADC_REG_ADTCH 0x18 #define JZ_ADC_REG_ADBDAT 0x1c #define JZ_ADC_REG_ADSDAT 0x20 +#define JZ_ADC_REG_ADCLK 0x28 #define JZ_ADC_REG_CFG_BAT_MD BIT(4) +#define JZ_ADC_REG_ADCLK_CLKDIV_LSB 0 +#define JZ_ADC_REG_ADCLK_CLKDIV10US_LSB 16 #define JZ_ADC_AUX_VREF 3300 #define JZ_ADC_AUX_VREF_BITS 12 @@ -34,6 +38,8 @@ #define JZ4740_ADC_BATTERY_HIGH_VREF (7500 * 0.986) #define JZ4740_ADC_BATTERY_HIGH_VREF_BITS 12 +struct ingenic_adc; + struct ingenic_adc_soc_data { unsigned int battery_high_vref; unsigned int battery_high_vref_bits; @@ -41,6 +47,7 @@ struct ingenic_adc_soc_data { size_t battery_raw_avail_size; const int *battery_scale_avail; size_t battery_scale_avail_size; + int (*init_clk_div)(struct device *dev, struct ingenic_adc *adc); }; struct ingenic_adc { @@ -151,6 +158,42 @@ static const int jz4740_adc_battery_scale_avail[] = { JZ_ADC_BATTERY_LOW_VREF, JZ_ADC_BATTERY_LOW_VREF_BITS, }; +static int jz4725b_adc_init_clk_div(struct device *dev, struct ingenic_adc *adc) +{ + struct clk *parent_clk; + unsigned long parent_rate, rate; + unsigned int div_main, div_10us; + + parent_clk = clk_get_parent(adc->clk); + if (!parent_clk) { + dev_err(dev, "ADC clock has no parent\n"); + return -ENODEV; + } + parent_rate = clk_get_rate(parent_clk); + + /* + * The JZ4725B ADC works at 500 kHz to 8 MHz. + * We pick the highest rate possible. + * In practice we typically get 6 MHz, half of the 12 MHz EXT clock. + */ + div_main = DIV_ROUND_UP(parent_rate, 8000000); + div_main = clamp(div_main, 1u, 64u); + rate = parent_rate / div_main; + if (rate < 500000 || rate > 8000000) { + dev_err(dev, "No valid divider for ADC main clock\n"); + return -EINVAL; + } + + /* We also need a divider that produces a 10us clock. */ + div_10us = DIV_ROUND_UP(rate, 100000); + + writel(((div_10us - 1) << JZ_ADC_REG_ADCLK_CLKDIV10US_LSB) | + (div_main - 1) << JZ_ADC_REG_ADCLK_CLKDIV_LSB, + adc->base + JZ_ADC_REG_ADCLK); + + return 0; +} + static const struct ingenic_adc_soc_data jz4725b_adc_soc_data = { .battery_high_vref = JZ4725B_ADC_BATTERY_HIGH_VREF, .battery_high_vref_bits = JZ4725B_ADC_BATTERY_HIGH_VREF_BITS, @@ -158,6 +201,7 @@ static const struct ingenic_adc_soc_data jz4725b_adc_soc_data = { .battery_raw_avail_size = ARRAY_SIZE(jz4725b_adc_battery_raw_avail), .battery_scale_avail = jz4725b_adc_battery_scale_avail, .battery_scale_avail_size = ARRAY_SIZE(jz4725b_adc_battery_scale_avail), + .init_clk_div = jz4725b_adc_init_clk_div, }; static const struct ingenic_adc_soc_data jz4740_adc_soc_data = { @@ -167,6 +211,7 @@ static const struct ingenic_adc_soc_data jz4740_adc_soc_data = { .battery_raw_avail_size = ARRAY_SIZE(jz4740_adc_battery_raw_avail), .battery_scale_avail = jz4740_adc_battery_scale_avail, .battery_scale_avail_size = ARRAY_SIZE(jz4740_adc_battery_scale_avail), + .init_clk_div = NULL, /* no ADCLK register on JZ4740 */ }; static int ingenic_adc_read_avail(struct iio_dev *iio_dev, @@ -317,6 +362,15 @@ static int ingenic_adc_probe(struct platform_device *pdev) return ret; } + /* Set clock dividers. */ + if (soc_data->init_clk_div) { + ret = soc_data->init_clk_div(dev, adc); + if (ret) { + clk_disable_unprepare(adc->clk); + return ret; + } + } + /* Put hardware in a known passive state. */ writeb(0x00, adc->base + JZ_ADC_REG_ENABLE); writeb(0xff, adc->base + JZ_ADC_REG_CTRL); diff --git a/drivers/iio/adc/max9611.c b/drivers/iio/adc/max9611.c index 917223d5ff5b..0e3c6529fc4c 100644 --- a/drivers/iio/adc/max9611.c +++ b/drivers/iio/adc/max9611.c @@ -83,7 +83,7 @@ #define MAX9611_TEMP_MAX_POS 0x7f80 #define MAX9611_TEMP_MAX_NEG 0xff80 #define MAX9611_TEMP_MIN_NEG 0xd980 -#define MAX9611_TEMP_MASK GENMASK(7, 15) +#define MAX9611_TEMP_MASK GENMASK(15, 7) #define MAX9611_TEMP_SHIFT 0x07 #define MAX9611_TEMP_RAW(_r) ((_r) >> MAX9611_TEMP_SHIFT) #define MAX9611_TEMP_SCALE_NUM 1000000 diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c index 2d685730f867..c37f201294b2 100644 --- a/drivers/iio/adc/rcar-gyroadc.c +++ b/drivers/iio/adc/rcar-gyroadc.c @@ -382,7 +382,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev) dev_err(dev, "Only %i channels supported with %pOFn, but reg = <%i>.\n", num_channels, child, reg); - return ret; + return -EINVAL; } } @@ -391,7 +391,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev) dev_err(dev, "Channel %i uses different ADC mode than the rest.\n", reg); - return ret; + return -EINVAL; } /* Channel is valid, grab the regulator. */ diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 53a59957cc54..8a704cd5bddb 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -845,6 +845,25 @@ static const struct iio_chan_spec inv_mpu_channels[] = { INV_MPU6050_CHAN(IIO_ACCEL, IIO_MOD_Z, INV_MPU6050_SCAN_ACCL_Z), }; +static const unsigned long inv_mpu_scan_masks[] = { + /* 3-axis accel */ + BIT(INV_MPU6050_SCAN_ACCL_X) + | BIT(INV_MPU6050_SCAN_ACCL_Y) + | BIT(INV_MPU6050_SCAN_ACCL_Z), + /* 3-axis gyro */ + BIT(INV_MPU6050_SCAN_GYRO_X) + | BIT(INV_MPU6050_SCAN_GYRO_Y) + | BIT(INV_MPU6050_SCAN_GYRO_Z), + /* 6-axis accel + gyro */ + BIT(INV_MPU6050_SCAN_ACCL_X) + | BIT(INV_MPU6050_SCAN_ACCL_Y) + | BIT(INV_MPU6050_SCAN_ACCL_Z) + | BIT(INV_MPU6050_SCAN_GYRO_X) + | BIT(INV_MPU6050_SCAN_GYRO_Y) + | BIT(INV_MPU6050_SCAN_GYRO_Z), + 0, +}; + static const struct iio_chan_spec inv_icm20602_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(INV_ICM20602_SCAN_TIMESTAMP), { @@ -871,6 +890,28 @@ static const struct iio_chan_spec inv_icm20602_channels[] = { INV_MPU6050_CHAN(IIO_ACCEL, IIO_MOD_Z, INV_ICM20602_SCAN_ACCL_Z), }; +static const unsigned long inv_icm20602_scan_masks[] = { + /* 3-axis accel + temp (mandatory) */ + BIT(INV_ICM20602_SCAN_ACCL_X) + | BIT(INV_ICM20602_SCAN_ACCL_Y) + | BIT(INV_ICM20602_SCAN_ACCL_Z) + | BIT(INV_ICM20602_SCAN_TEMP), + /* 3-axis gyro + temp (mandatory) */ + BIT(INV_ICM20602_SCAN_GYRO_X) + | BIT(INV_ICM20602_SCAN_GYRO_Y) + | BIT(INV_ICM20602_SCAN_GYRO_Z) + | BIT(INV_ICM20602_SCAN_TEMP), + /* 6-axis accel + gyro + temp (mandatory) */ + BIT(INV_ICM20602_SCAN_ACCL_X) + | BIT(INV_ICM20602_SCAN_ACCL_Y) + | BIT(INV_ICM20602_SCAN_ACCL_Z) + | BIT(INV_ICM20602_SCAN_GYRO_X) + | BIT(INV_ICM20602_SCAN_GYRO_Y) + | BIT(INV_ICM20602_SCAN_GYRO_Z) + | BIT(INV_ICM20602_SCAN_TEMP), + 0, +}; + /* * The user can choose any frequency between INV_MPU6050_MIN_FIFO_RATE and * INV_MPU6050_MAX_FIFO_RATE, but only these frequencies are matched by the @@ -1130,9 +1171,11 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name, if (chip_type == INV_ICM20602) { indio_dev->channels = inv_icm20602_channels; indio_dev->num_channels = ARRAY_SIZE(inv_icm20602_channels); + indio_dev->available_scan_masks = inv_icm20602_scan_masks; } else { indio_dev->channels = inv_mpu_channels; indio_dev->num_channels = ARRAY_SIZE(inv_mpu_channels); + indio_dev->available_scan_masks = inv_mpu_scan_masks; } indio_dev->info = &mpu_info; diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 888d89ce81df..beee7b7e0d9a 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -302,7 +302,9 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, struct ib_udata *udata, struct ib_uobject *uobj) { + enum ib_qp_type qp_type = attr->qp_type; struct ib_qp *qp; + bool is_xrc; if (!dev->ops.create_qp) return ERR_PTR(-EOPNOTSUPP); @@ -320,7 +322,8 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, * and more importantly they are created internaly by driver, * see mlx5 create_dev_resources() as an example. */ - if (attr->qp_type < IB_QPT_XRC_INI) { + is_xrc = qp_type == IB_QPT_XRC_INI || qp_type == IB_QPT_XRC_TGT; + if ((qp_type < IB_QPT_MAX && !is_xrc) || qp_type == IB_QPT_DRIVER) { qp->res.type = RDMA_RESTRACK_QP; if (uobj) rdma_restrack_uadd(&qp->res); diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c index 01faef7bc061..45d5164e9574 100644 --- a/drivers/infiniband/core/counters.c +++ b/drivers/infiniband/core/counters.c @@ -393,6 +393,9 @@ u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u8 port, u32 index) u64 sum; port_counter = &dev->port_data[port].port_counter; + if (!port_counter->hstats) + return 0; + sum = get_running_counters_hwstat_sum(dev, port, index); sum += port_counter->hstats->value[index]; @@ -594,7 +597,7 @@ void rdma_counter_init(struct ib_device *dev) struct rdma_port_counter *port_counter; u32 port; - if (!dev->ops.alloc_hw_stats || !dev->port_data) + if (!dev->port_data) return; rdma_for_each_port(dev, port) { @@ -602,6 +605,9 @@ void rdma_counter_init(struct ib_device *dev) port_counter->mode.mode = RDMA_COUNTER_MODE_NONE; mutex_init(&port_counter->lock); + if (!dev->ops.alloc_hw_stats) + continue; + port_counter->hstats = dev->ops.alloc_hw_stats(dev, port); if (!port_counter->hstats) goto fail; @@ -624,9 +630,6 @@ void rdma_counter_release(struct ib_device *dev) struct rdma_port_counter *port_counter; u32 port; - if (!dev->ops.alloc_hw_stats) - return; - rdma_for_each_port(dev, port) { port_counter = &dev->port_data[port].port_counter; kfree(port_counter->hstats); diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 9773145dee09..ea8661a00651 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -94,11 +94,17 @@ static DEFINE_XARRAY_FLAGS(devices, XA_FLAGS_ALLOC); static DECLARE_RWSEM(devices_rwsem); #define DEVICE_REGISTERED XA_MARK_1 -static LIST_HEAD(client_list); +static u32 highest_client_id; #define CLIENT_REGISTERED XA_MARK_1 static DEFINE_XARRAY_FLAGS(clients, XA_FLAGS_ALLOC); static DECLARE_RWSEM(clients_rwsem); +static void ib_client_put(struct ib_client *client) +{ + if (refcount_dec_and_test(&client->uses)) + complete(&client->uses_zero); +} + /* * If client_data is registered then the corresponding client must also still * be registered. @@ -661,6 +667,14 @@ static int add_client_context(struct ib_device *device, down_write(&device->client_data_rwsem); /* + * So long as the client is registered hold both the client and device + * unregistration locks. + */ + if (!refcount_inc_not_zero(&client->uses)) + goto out_unlock; + refcount_inc(&device->refcount); + + /* * Another caller to add_client_context got here first and has already * completely initialized context. */ @@ -683,6 +697,9 @@ static int add_client_context(struct ib_device *device, return 0; out: + ib_device_put(device); + ib_client_put(client); +out_unlock: up_write(&device->client_data_rwsem); return ret; } @@ -702,7 +719,7 @@ static void remove_client_context(struct ib_device *device, client_data = xa_load(&device->client_data, client_id); xa_clear_mark(&device->client_data, client_id, CLIENT_DATA_REGISTERED); client = xa_load(&clients, client_id); - downgrade_write(&device->client_data_rwsem); + up_write(&device->client_data_rwsem); /* * Notice we cannot be holding any exclusive locks when calling the @@ -712,17 +729,13 @@ static void remove_client_context(struct ib_device *device, * * For this reason clients and drivers should not call the * unregistration functions will holdling any locks. - * - * It tempting to drop the client_data_rwsem too, but this is required - * to ensure that unregister_client does not return until all clients - * are completely unregistered, which is required to avoid module - * unloading races. */ if (client->remove) client->remove(device, client_data); xa_erase(&device->client_data, client_id); - up_read(&device->client_data_rwsem); + ib_device_put(device); + ib_client_put(client); } static int alloc_port_data(struct ib_device *device) @@ -1224,7 +1237,7 @@ static int setup_device(struct ib_device *device) static void disable_device(struct ib_device *device) { - struct ib_client *client; + u32 cid; WARN_ON(!refcount_read(&device->refcount)); @@ -1232,10 +1245,19 @@ static void disable_device(struct ib_device *device) xa_clear_mark(&devices, device->index, DEVICE_REGISTERED); up_write(&devices_rwsem); + /* + * Remove clients in LIFO order, see assign_client_id. This could be + * more efficient if xarray learns to reverse iterate. Since no new + * clients can be added to this ib_device past this point we only need + * the maximum possible client_id value here. + */ down_read(&clients_rwsem); - list_for_each_entry_reverse(client, &client_list, list) - remove_client_context(device, client->client_id); + cid = highest_client_id; up_read(&clients_rwsem); + while (cid) { + cid--; + remove_client_context(device, cid); + } /* Pairs with refcount_set in enable_device */ ib_device_put(device); @@ -1662,30 +1684,31 @@ static int assign_client_id(struct ib_client *client) /* * The add/remove callbacks must be called in FIFO/LIFO order. To * achieve this we assign client_ids so they are sorted in - * registration order, and retain a linked list we can reverse iterate - * to get the LIFO order. The extra linked list can go away if xarray - * learns to reverse iterate. + * registration order. */ - if (list_empty(&client_list)) { - client->client_id = 0; - } else { - struct ib_client *last; - - last = list_last_entry(&client_list, struct ib_client, list); - client->client_id = last->client_id + 1; - } + client->client_id = highest_client_id; ret = xa_insert(&clients, client->client_id, client, GFP_KERNEL); if (ret) goto out; + highest_client_id++; xa_set_mark(&clients, client->client_id, CLIENT_REGISTERED); - list_add_tail(&client->list, &client_list); out: up_write(&clients_rwsem); return ret; } +static void remove_client_id(struct ib_client *client) +{ + down_write(&clients_rwsem); + xa_erase(&clients, client->client_id); + for (; highest_client_id; highest_client_id--) + if (xa_load(&clients, highest_client_id - 1)) + break; + up_write(&clients_rwsem); +} + /** * ib_register_client - Register an IB client * @client:Client to register @@ -1705,6 +1728,8 @@ int ib_register_client(struct ib_client *client) unsigned long index; int ret; + refcount_set(&client->uses, 1); + init_completion(&client->uses_zero); ret = assign_client_id(client); if (ret) return ret; @@ -1740,21 +1765,30 @@ void ib_unregister_client(struct ib_client *client) unsigned long index; down_write(&clients_rwsem); + ib_client_put(client); xa_clear_mark(&clients, client->client_id, CLIENT_REGISTERED); up_write(&clients_rwsem); - /* - * Every device still known must be serialized to make sure we are - * done with the client callbacks before we return. - */ - down_read(&devices_rwsem); - xa_for_each (&devices, index, device) + + /* We do not want to have locks while calling client->remove() */ + rcu_read_lock(); + xa_for_each (&devices, index, device) { + if (!ib_device_try_get(device)) + continue; + rcu_read_unlock(); + remove_client_context(device, client->client_id); - up_read(&devices_rwsem); - down_write(&clients_rwsem); - list_del(&client->list); - xa_erase(&clients, client->client_id); - up_write(&clients_rwsem); + ib_device_put(device); + rcu_read_lock(); + } + rcu_read_unlock(); + + /* + * remove_client_context() is not a fence, it can return even though a + * removal is ongoing. Wait until all removals are completed. + */ + wait_for_completion(&client->uses_zero); + remove_client_id(client); } EXPORT_SYMBOL(ib_unregister_client); diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index cc99479b2c09..9947d16edef2 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -3224,18 +3224,18 @@ static int ib_mad_port_open(struct ib_device *device, if (has_smi) cq_size *= 2; + port_priv->pd = ib_alloc_pd(device, 0); + if (IS_ERR(port_priv->pd)) { + dev_err(&device->dev, "Couldn't create ib_mad PD\n"); + ret = PTR_ERR(port_priv->pd); + goto error3; + } + port_priv->cq = ib_alloc_cq(port_priv->device, port_priv, cq_size, 0, IB_POLL_UNBOUND_WORKQUEUE); if (IS_ERR(port_priv->cq)) { dev_err(&device->dev, "Couldn't create ib_mad CQ\n"); ret = PTR_ERR(port_priv->cq); - goto error3; - } - - port_priv->pd = ib_alloc_pd(device, 0); - if (IS_ERR(port_priv->pd)) { - dev_err(&device->dev, "Couldn't create ib_mad PD\n"); - ret = PTR_ERR(port_priv->pd); goto error4; } @@ -3278,11 +3278,11 @@ error8: error7: destroy_mad_qp(&port_priv->qp_info[0]); error6: - ib_dealloc_pd(port_priv->pd); -error4: ib_free_cq(port_priv->cq); cleanup_recv_queue(&port_priv->qp_info[1]); cleanup_recv_queue(&port_priv->qp_info[0]); +error4: + ib_dealloc_pd(port_priv->pd); error3: kfree(port_priv); @@ -3312,8 +3312,8 @@ static int ib_mad_port_close(struct ib_device *device, int port_num) destroy_workqueue(port_priv->wq); destroy_mad_qp(&port_priv->qp_info[1]); destroy_mad_qp(&port_priv->qp_info[0]); - ib_dealloc_pd(port_priv->pd); ib_free_cq(port_priv->cq); + ib_dealloc_pd(port_priv->pd); cleanup_recv_queue(&port_priv->qp_info[1]); cleanup_recv_queue(&port_priv->qp_info[0]); /* XXX: Handle deallocation of MAD registration tables */ diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 9f8a48016b41..ffdeaf6e0b68 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -49,6 +49,7 @@ #include <linux/sched.h> #include <linux/semaphore.h> #include <linux/slab.h> +#include <linux/nospec.h> #include <linux/uaccess.h> @@ -884,11 +885,14 @@ static int ib_umad_unreg_agent(struct ib_umad_file *file, u32 __user *arg) if (get_user(id, arg)) return -EFAULT; + if (id >= IB_UMAD_MAX_AGENTS) + return -EINVAL; mutex_lock(&file->port->file_mutex); mutex_lock(&file->mutex); - if (id >= IB_UMAD_MAX_AGENTS || !__get_agent(file, id)) { + id = array_index_nospec(id, IB_UMAD_MAX_AGENTS); + if (!__get_agent(file, id)) { ret = -EINVAL; goto out; } diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index a91653aabf38..098ab883733e 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -308,6 +308,7 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context) struct bnxt_re_dev *rdev = to_bnxt_re_dev(attr->device, ibdev); struct bnxt_qplib_sgid_tbl *sgid_tbl = &rdev->qplib_res.sgid_tbl; struct bnxt_qplib_gid *gid_to_del; + u16 vlan_id = 0xFFFF; /* Delete the entry from the hardware */ ctx = *context; @@ -317,7 +318,8 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context) if (sgid_tbl && sgid_tbl->active) { if (ctx->idx >= sgid_tbl->max) return -EINVAL; - gid_to_del = &sgid_tbl->tbl[ctx->idx]; + gid_to_del = &sgid_tbl->tbl[ctx->idx].gid; + vlan_id = sgid_tbl->tbl[ctx->idx].vlan_id; /* DEL_GID is called in WQ context(netdevice_event_work_handler) * or via the ib_unregister_device path. In the former case QP1 * may not be destroyed yet, in which case just return as FW @@ -335,7 +337,8 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context) } ctx->refcnt--; if (!ctx->refcnt) { - rc = bnxt_qplib_del_sgid(sgid_tbl, gid_to_del, true); + rc = bnxt_qplib_del_sgid(sgid_tbl, gid_to_del, + vlan_id, true); if (rc) { dev_err(rdev_to_dev(rdev), "Failed to remove GID: %#x", rc); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 37928b1111df..bdbde8e22420 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -488,7 +488,7 @@ static int bnxt_qplib_alloc_sgid_tbl(struct bnxt_qplib_res *res, struct bnxt_qplib_sgid_tbl *sgid_tbl, u16 max) { - sgid_tbl->tbl = kcalloc(max, sizeof(struct bnxt_qplib_gid), GFP_KERNEL); + sgid_tbl->tbl = kcalloc(max, sizeof(*sgid_tbl->tbl), GFP_KERNEL); if (!sgid_tbl->tbl) return -ENOMEM; @@ -526,9 +526,10 @@ static void bnxt_qplib_cleanup_sgid_tbl(struct bnxt_qplib_res *res, for (i = 0; i < sgid_tbl->max; i++) { if (memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero, sizeof(bnxt_qplib_gid_zero))) - bnxt_qplib_del_sgid(sgid_tbl, &sgid_tbl->tbl[i], true); + bnxt_qplib_del_sgid(sgid_tbl, &sgid_tbl->tbl[i].gid, + sgid_tbl->tbl[i].vlan_id, true); } - memset(sgid_tbl->tbl, 0, sizeof(struct bnxt_qplib_gid) * sgid_tbl->max); + memset(sgid_tbl->tbl, 0, sizeof(*sgid_tbl->tbl) * sgid_tbl->max); memset(sgid_tbl->hw_id, -1, sizeof(u16) * sgid_tbl->max); memset(sgid_tbl->vlan, 0, sizeof(u8) * sgid_tbl->max); sgid_tbl->active = 0; @@ -537,7 +538,11 @@ static void bnxt_qplib_cleanup_sgid_tbl(struct bnxt_qplib_res *res, static void bnxt_qplib_init_sgid_tbl(struct bnxt_qplib_sgid_tbl *sgid_tbl, struct net_device *netdev) { - memset(sgid_tbl->tbl, 0, sizeof(struct bnxt_qplib_gid) * sgid_tbl->max); + u32 i; + + for (i = 0; i < sgid_tbl->max; i++) + sgid_tbl->tbl[i].vlan_id = 0xffff; + memset(sgid_tbl->hw_id, -1, sizeof(u16) * sgid_tbl->max); } diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index 30c42c92fac7..fbda11a7ab1a 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -111,7 +111,7 @@ struct bnxt_qplib_pd_tbl { }; struct bnxt_qplib_sgid_tbl { - struct bnxt_qplib_gid *tbl; + struct bnxt_qplib_gid_info *tbl; u16 *hw_id; u16 max; u16 active; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 48793d3512ac..40296b97d21e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -213,12 +213,12 @@ int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, index, sgid_tbl->max); return -EINVAL; } - memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid)); + memcpy(gid, &sgid_tbl->tbl[index].gid, sizeof(*gid)); return 0; } int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, - struct bnxt_qplib_gid *gid, bool update) + struct bnxt_qplib_gid *gid, u16 vlan_id, bool update) { struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, struct bnxt_qplib_res, @@ -236,7 +236,8 @@ int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, return -ENOMEM; } for (index = 0; index < sgid_tbl->max; index++) { - if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid))) + if (!memcmp(&sgid_tbl->tbl[index].gid, gid, sizeof(*gid)) && + vlan_id == sgid_tbl->tbl[index].vlan_id) break; } if (index == sgid_tbl->max) { @@ -262,8 +263,9 @@ int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, if (rc) return rc; } - memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero, + memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero, sizeof(bnxt_qplib_gid_zero)); + sgid_tbl->tbl[index].vlan_id = 0xFFFF; sgid_tbl->vlan[index] = 0; sgid_tbl->active--; dev_dbg(&res->pdev->dev, @@ -296,7 +298,8 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, } free_idx = sgid_tbl->max; for (i = 0; i < sgid_tbl->max; i++) { - if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) { + if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid)) && + sgid_tbl->tbl[i].vlan_id == vlan_id) { dev_dbg(&res->pdev->dev, "SGID entry already exist in entry %d!\n", i); *index = i; @@ -351,6 +354,7 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, } /* Add GID to the sgid_tbl */ memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid)); + sgid_tbl->tbl[free_idx].vlan_id = vlan_id; sgid_tbl->active++; if (vlan_id != 0xFFFF) sgid_tbl->vlan[free_idx] = 1; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h index 0ec3b12b0bcd..13d9432d5ce2 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h @@ -84,6 +84,11 @@ struct bnxt_qplib_gid { u8 data[16]; }; +struct bnxt_qplib_gid_info { + struct bnxt_qplib_gid gid; + u16 vlan_id; +}; + struct bnxt_qplib_ah { struct bnxt_qplib_gid dgid; struct bnxt_qplib_pd *pd; @@ -221,7 +226,7 @@ int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, struct bnxt_qplib_gid *gid); int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, - struct bnxt_qplib_gid *gid, bool update); + struct bnxt_qplib_gid *gid, u16 vlan_id, bool update); int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id, bool update, u32 *index); diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index d5b643a1d9fd..67052dc3100c 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -14452,7 +14452,7 @@ void hfi1_deinit_vnic_rsm(struct hfi1_devdata *dd) clear_rcvctrl(dd, RCV_CTRL_RCV_RSM_ENABLE_SMASK); } -static void init_rxe(struct hfi1_devdata *dd) +static int init_rxe(struct hfi1_devdata *dd) { struct rsm_map_table *rmt; u64 val; @@ -14461,6 +14461,9 @@ static void init_rxe(struct hfi1_devdata *dd) write_csr(dd, RCV_ERR_MASK, ~0ull); rmt = alloc_rsm_map_table(dd); + if (!rmt) + return -ENOMEM; + /* set up QOS, including the QPN map table */ init_qos(dd, rmt); init_fecn_handling(dd, rmt); @@ -14487,6 +14490,7 @@ static void init_rxe(struct hfi1_devdata *dd) val |= ((4ull & RCV_BYPASS_HDR_SIZE_MASK) << RCV_BYPASS_HDR_SIZE_SHIFT); write_csr(dd, RCV_BYPASS, val); + return 0; } static void init_other(struct hfi1_devdata *dd) @@ -15024,7 +15028,10 @@ int hfi1_init_dd(struct hfi1_devdata *dd) goto bail_cleanup; /* set initial RXE CSRs */ - init_rxe(dd); + ret = init_rxe(dd); + if (ret) + goto bail_cleanup; + /* set initial TXE CSRs */ init_txe(dd); /* set initial non-RXE, non-TXE CSRs */ diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index 0477c14633ab..024a7c2b6124 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -1835,7 +1835,6 @@ void hfi1_rc_send_complete(struct rvt_qp *qp, struct hfi1_opa_header *opah) cmp_psn(qp->s_sending_psn, qp->s_sending_hpsn) <= 0) break; trdma_clean_swqe(qp, wqe); - rvt_qp_wqe_unreserve(qp, wqe); trace_hfi1_qp_send_completion(qp, wqe, qp->s_last); rvt_qp_complete_swqe(qp, wqe, @@ -1882,7 +1881,6 @@ struct rvt_swqe *do_rc_completion(struct rvt_qp *qp, if (cmp_psn(wqe->lpsn, qp->s_sending_psn) < 0 || cmp_psn(qp->s_sending_psn, qp->s_sending_hpsn) > 0) { trdma_clean_swqe(qp, wqe); - rvt_qp_wqe_unreserve(qp, wqe); trace_hfi1_qp_send_completion(qp, wqe, qp->s_last); rvt_qp_complete_swqe(qp, wqe, diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c index 92acccaaaa86..996fc298207e 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.c +++ b/drivers/infiniband/hw/hfi1/tid_rdma.c @@ -1620,6 +1620,7 @@ static int hfi1_kern_exp_rcv_alloc_flows(struct tid_rdma_request *req, flows[i].req = req; flows[i].npagesets = 0; flows[i].pagesets[0].mapped = 0; + flows[i].resync_npkts = 0; } req->flows = flows; return 0; @@ -1673,34 +1674,6 @@ static struct tid_rdma_flow *find_flow_ib(struct tid_rdma_request *req, return NULL; } -static struct tid_rdma_flow * -__find_flow_ranged(struct tid_rdma_request *req, u16 head, u16 tail, - u32 psn, u16 *fidx) -{ - for ( ; CIRC_CNT(head, tail, MAX_FLOWS); - tail = CIRC_NEXT(tail, MAX_FLOWS)) { - struct tid_rdma_flow *flow = &req->flows[tail]; - u32 spsn, lpsn; - - spsn = full_flow_psn(flow, flow->flow_state.spsn); - lpsn = full_flow_psn(flow, flow->flow_state.lpsn); - - if (cmp_psn(psn, spsn) >= 0 && cmp_psn(psn, lpsn) <= 0) { - if (fidx) - *fidx = tail; - return flow; - } - } - return NULL; -} - -static struct tid_rdma_flow *find_flow(struct tid_rdma_request *req, - u32 psn, u16 *fidx) -{ - return __find_flow_ranged(req, req->setup_head, req->clear_tail, psn, - fidx); -} - /* TID RDMA READ functions */ u32 hfi1_build_tid_rdma_read_packet(struct rvt_swqe *wqe, struct ib_other_headers *ohdr, u32 *bth1, @@ -2788,19 +2761,7 @@ static bool handle_read_kdeth_eflags(struct hfi1_ctxtdata *rcd, * to prevent continuous Flow Sequence errors for any * packets that could be still in the fabric. */ - flow = find_flow(req, psn, NULL); - if (!flow) { - /* - * We can't find the IB PSN matching the - * received KDETH PSN. The only thing we can - * do at this point is report the error to - * the QP. - */ - hfi1_kern_read_tid_flow_free(qp); - spin_unlock(&qp->s_lock); - rvt_rc_error(qp, IB_WC_LOC_QP_OP_ERR); - return ret; - } + flow = &req->flows[req->clear_tail]; if (priv->s_flags & HFI1_R_TID_SW_PSN) { diff = cmp_psn(psn, flow->flow_state.r_next_psn); diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index c4b243f50c76..646f61545ed6 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -54,6 +54,7 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <rdma/opa_addr.h> +#include <linux/nospec.h> #include "hfi.h" #include "common.h" @@ -1536,6 +1537,7 @@ static int hfi1_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr) sl = rdma_ah_get_sl(ah_attr); if (sl >= ARRAY_SIZE(ibp->sl_to_sc)) return -EINVAL; + sl = array_index_nospec(sl, ARRAY_SIZE(ibp->sl_to_sc)); sc5 = ibp->sl_to_sc[sl]; if (sc_to_vlt(dd, sc5) > num_vls && sc_to_vlt(dd, sc5) != 0xf) diff --git a/drivers/infiniband/hw/hns/Kconfig b/drivers/infiniband/hw/hns/Kconfig index 8bf847bcd8d3..54782197c717 100644 --- a/drivers/infiniband/hw/hns/Kconfig +++ b/drivers/infiniband/hw/hns/Kconfig @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only config INFINIBAND_HNS - tristate "HNS RoCE Driver" + bool "HNS RoCE Driver" depends on NET_VENDOR_HISILICON depends on ARM64 || (COMPILE_TEST && 64BIT) ---help--- @@ -11,7 +11,7 @@ config INFINIBAND_HNS To compile HIP06 or HIP08 driver as module, choose M here. config INFINIBAND_HNS_HIP06 - bool "Hisilicon Hip06 Family RoCE support" + tristate "Hisilicon Hip06 Family RoCE support" depends on INFINIBAND_HNS && HNS && HNS_DSAF && HNS_ENET ---help--- RoCE driver support for Hisilicon RoCE engine in Hisilicon Hip06 and @@ -21,7 +21,7 @@ config INFINIBAND_HNS_HIP06 module will be called hns-roce-hw-v1 config INFINIBAND_HNS_HIP08 - bool "Hisilicon Hip08 Family RoCE support" + tristate "Hisilicon Hip08 Family RoCE support" depends on INFINIBAND_HNS && PCI && HNS3 ---help--- RoCE driver support for Hisilicon RoCE engine in Hisilicon Hip08 SoC. diff --git a/drivers/infiniband/hw/hns/Makefile b/drivers/infiniband/hw/hns/Makefile index e105945b94a1..449a2d81319d 100644 --- a/drivers/infiniband/hw/hns/Makefile +++ b/drivers/infiniband/hw/hns/Makefile @@ -9,12 +9,8 @@ hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \ hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \ hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o -ifdef CONFIG_INFINIBAND_HNS_HIP06 hns-roce-hw-v1-objs := hns_roce_hw_v1.o $(hns-roce-objs) -obj-$(CONFIG_INFINIBAND_HNS) += hns-roce-hw-v1.o -endif +obj-$(CONFIG_INFINIBAND_HNS_HIP06) += hns-roce-hw-v1.o -ifdef CONFIG_INFINIBAND_HNS_HIP08 hns-roce-hw-v2-objs := hns_roce_hw_v2.o hns_roce_hw_v2_dfx.o $(hns-roce-objs) -obj-$(CONFIG_INFINIBAND_HNS) += hns-roce-hw-v2.o -endif +obj-$(CONFIG_INFINIBAND_HNS_HIP08) += hns-roce-hw-v2.o diff --git a/drivers/infiniband/hw/hns/hns_roce_db.c b/drivers/infiniband/hw/hns/hns_roce_db.c index 627aa46ef683..c00714c2f16a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_db.c +++ b/drivers/infiniband/hw/hns/hns_roce_db.c @@ -12,13 +12,15 @@ int hns_roce_db_map_user(struct hns_roce_ucontext *context, struct ib_udata *udata, unsigned long virt, struct hns_roce_db *db) { + unsigned long page_addr = virt & PAGE_MASK; struct hns_roce_user_db_page *page; + unsigned int offset; int ret = 0; mutex_lock(&context->page_mutex); list_for_each_entry(page, &context->page_list, list) - if (page->user_virt == (virt & PAGE_MASK)) + if (page->user_virt == page_addr) goto found; page = kmalloc(sizeof(*page), GFP_KERNEL); @@ -28,8 +30,8 @@ int hns_roce_db_map_user(struct hns_roce_ucontext *context, } refcount_set(&page->refcount, 1); - page->user_virt = (virt & PAGE_MASK); - page->umem = ib_umem_get(udata, virt & PAGE_MASK, PAGE_SIZE, 0, 0); + page->user_virt = page_addr; + page->umem = ib_umem_get(udata, page_addr, PAGE_SIZE, 0, 0); if (IS_ERR(page->umem)) { ret = PTR_ERR(page->umem); kfree(page); @@ -39,10 +41,9 @@ int hns_roce_db_map_user(struct hns_roce_ucontext *context, list_add(&page->list, &context->page_list); found: - db->dma = sg_dma_address(page->umem->sg_head.sgl) + - (virt & ~PAGE_MASK); - page->umem->sg_head.sgl->offset = virt & ~PAGE_MASK; - db->virt_addr = sg_virt(page->umem->sg_head.sgl); + offset = virt - page_addr; + db->dma = sg_dma_address(page->umem->sg_head.sgl) + offset; + db->virt_addr = sg_virt(page->umem->sg_head.sgl) + offset; db->u.user_page = page; refcount_inc(&page->refcount); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 81e6dedb1e02..c07e387a07a3 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -750,8 +750,10 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) atomic_set(&free_mr->mr_free_cq->ib_cq.usecnt, 0); pd = rdma_zalloc_drv_obj(ibdev, ib_pd); - if (!pd) + if (!pd) { + ret = -ENOMEM; goto alloc_mem_failed; + } pd->device = ibdev; ret = hns_roce_alloc_pd(pd, NULL); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index c2a5780cb394..e12a4404096b 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -5802,13 +5802,12 @@ static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev, return; } - if (mpi->mdev_events.notifier_call) - mlx5_notifier_unregister(mpi->mdev, &mpi->mdev_events); - mpi->mdev_events.notifier_call = NULL; - mpi->ibdev = NULL; spin_unlock(&port->mp.mpi_lock); + if (mpi->mdev_events.notifier_call) + mlx5_notifier_unregister(mpi->mdev, &mpi->mdev_events); + mpi->mdev_events.notifier_call = NULL; mlx5_remove_netdev_notifier(ibdev, port_num); spin_lock(&port->mp.mpi_lock); diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index c482f19958b3..f6a53455bf8b 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -481,6 +481,7 @@ struct mlx5_umr_wr { u64 length; int access_flags; u32 mkey; + u8 ignore_free_state:1; }; static inline const struct mlx5_umr_wr *umr_wr(const struct ib_send_wr *wr) diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 20ece6e0b2fc..b74fad08412f 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -51,22 +51,12 @@ static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); static int mr_cache_max_order(struct mlx5_ib_dev *dev); static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); -static bool umr_can_modify_entity_size(struct mlx5_ib_dev *dev) -{ - return !MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled); -} static bool umr_can_use_indirect_mkey(struct mlx5_ib_dev *dev) { return !MLX5_CAP_GEN(dev->mdev, umr_indirect_mkey_disabled); } -static bool use_umr(struct mlx5_ib_dev *dev, int order) -{ - return order <= mr_cache_max_order(dev) && - umr_can_modify_entity_size(dev); -} - static int destroy_mkey(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) { int err = mlx5_core_destroy_mkey(dev->mdev, &mr->mmkey); @@ -545,13 +535,16 @@ void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) return; c = order2idx(dev, mr->order); - if (c < 0 || c >= MAX_MR_CACHE_ENTRIES) { - mlx5_ib_warn(dev, "order %d, cache index %d\n", mr->order, c); - return; - } + WARN_ON(c < 0 || c >= MAX_MR_CACHE_ENTRIES); - if (unreg_umr(dev, mr)) + if (unreg_umr(dev, mr)) { + mr->allocated_from_cache = false; + destroy_mkey(dev, mr); + ent = &cache->ent[c]; + if (ent->cur < ent->limit) + queue_work(cache->wq, &ent->work); return; + } ent = &cache->ent[c]; spin_lock_irq(&ent->lock); @@ -1268,7 +1261,7 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, { struct mlx5_ib_dev *dev = to_mdev(pd->device); struct mlx5_ib_mr *mr = NULL; - bool populate_mtts = false; + bool use_umr; struct ib_umem *umem; int page_shift; int npages; @@ -1300,29 +1293,30 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, if (err < 0) return ERR_PTR(err); - if (use_umr(dev, order)) { + use_umr = !MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled) && + (!MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled) || + !MLX5_CAP_GEN(dev->mdev, atomic)); + + if (order <= mr_cache_max_order(dev) && use_umr) { mr = alloc_mr_from_cache(pd, umem, virt_addr, length, ncont, page_shift, order, access_flags); if (PTR_ERR(mr) == -EAGAIN) { mlx5_ib_dbg(dev, "cache empty for order %d\n", order); mr = NULL; } - populate_mtts = false; } else if (!MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset)) { if (access_flags & IB_ACCESS_ON_DEMAND) { err = -EINVAL; pr_err("Got MR registration for ODP MR > 512MB, not supported for Connect-IB\n"); goto error; } - populate_mtts = true; + use_umr = false; } if (!mr) { - if (!umr_can_modify_entity_size(dev)) - populate_mtts = true; mutex_lock(&dev->slow_path_mutex); mr = reg_create(NULL, pd, virt_addr, length, umem, ncont, - page_shift, access_flags, populate_mtts); + page_shift, access_flags, !use_umr); mutex_unlock(&dev->slow_path_mutex); } @@ -1338,7 +1332,7 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, update_odp_mr(mr); - if (!populate_mtts) { + if (use_umr) { int update_xlt_flags = MLX5_IB_UPD_XLT_ENABLE; if (access_flags & IB_ACCESS_ON_DEMAND) @@ -1373,9 +1367,11 @@ static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) return 0; umrwr.wr.send_flags = MLX5_IB_SEND_UMR_DISABLE_MR | - MLX5_IB_SEND_UMR_FAIL_IF_FREE; + MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS; umrwr.wr.opcode = MLX5_IB_WR_UMR; + umrwr.pd = dev->umrc.pd; umrwr.mkey = mr->mmkey.key; + umrwr.ignore_free_state = 1; return mlx5_ib_post_send_wait(dev, &umrwr); } @@ -1577,10 +1573,10 @@ static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) mr->sig = NULL; } - mlx5_free_priv_descs(mr); - - if (!allocated_from_cache) + if (!allocated_from_cache) { destroy_mkey(dev, mr); + mlx5_free_priv_descs(mr); + } } static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 5b642d81e617..81da82050d05 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -246,7 +246,7 @@ void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start, * overwrite the same MTTs. Concurent invalidations might race us, * but they will write 0s as well, so no difference in the end result. */ - + mutex_lock(&umem_odp->umem_mutex); for (addr = start; addr < end; addr += BIT(umem_odp->page_shift)) { idx = (addr - ib_umem_start(umem_odp)) >> umem_odp->page_shift; /* @@ -278,6 +278,7 @@ void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start, idx - blk_start_idx + 1, 0, MLX5_IB_UPD_XLT_ZAP | MLX5_IB_UPD_XLT_ATOMIC); + mutex_unlock(&umem_odp->umem_mutex); /* * We are now sure that the device will not access the * memory. We can safely unmap it, and mark it as dirty if @@ -1771,7 +1772,7 @@ static void mlx5_ib_prefetch_mr_work(struct work_struct *work) num_pending_prefetch_dec(to_mdev(w->pd->device), w->sg_list, w->num_sge, 0); - kfree(w); + kvfree(w); } int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, @@ -1813,7 +1814,7 @@ int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, if (valid_req) queue_work(system_unbound_wq, &work->work); else - kfree(work); + kvfree(work); srcu_read_unlock(&dev->mr_srcu, srcu_key); diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 2a97619ed603..379328b2598f 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1713,7 +1713,6 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, } MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); - MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); memcpy(rss_key, ucmd.rx_hash_key, len); break; } @@ -4295,10 +4294,14 @@ static int set_reg_umr_segment(struct mlx5_ib_dev *dev, memset(umr, 0, sizeof(*umr)); - if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) - umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ - else - umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ + if (!umrwr->ignore_free_state) { + if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) + /* fail if free */ + umr->flags = MLX5_UMR_CHECK_FREE; + else + /* fail if not free */ + umr->flags = MLX5_UMR_CHECK_NOT_FREE; + } umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index 533157a2a3be..f97b3d65b30c 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -125,14 +125,20 @@ static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr, struct qedr_dev *dev = rdma_device_to_drv_device(device, struct qedr_dev, ibdev); - return scnprintf(buf, PAGE_SIZE, "0x%x\n", dev->pdev->vendor); + return scnprintf(buf, PAGE_SIZE, "0x%x\n", dev->attr.hw_ver); } static DEVICE_ATTR_RO(hw_rev); static ssize_t hca_type_show(struct device *device, struct device_attribute *attr, char *buf) { - return scnprintf(buf, PAGE_SIZE, "%s\n", "HCA_TYPE_TO_SET"); + struct qedr_dev *dev = + rdma_device_to_drv_device(device, struct qedr_dev, ibdev); + + return scnprintf(buf, PAGE_SIZE, "FastLinQ QL%x %s\n", + dev->pdev->device, + rdma_protocol_iwarp(&dev->ibdev, 1) ? + "iWARP" : "RoCE"); } static DEVICE_ATTR_RO(hca_type); diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c index a7cde98e73e8..9ce8a1b925d2 100644 --- a/drivers/infiniband/sw/siw/siw_cm.c +++ b/drivers/infiniband/sw/siw/siw_cm.c @@ -220,13 +220,12 @@ static void siw_put_work(struct siw_cm_work *work) static void siw_cep_set_inuse(struct siw_cep *cep) { unsigned long flags; - int rv; retry: spin_lock_irqsave(&cep->lock, flags); if (cep->in_use) { spin_unlock_irqrestore(&cep->lock, flags); - rv = wait_event_interruptible(cep->waitq, !cep->in_use); + wait_event_interruptible(cep->waitq, !cep->in_use); if (signal_pending(current)) flush_signals(current); goto retry; diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c index f55c4e80aea4..d0f140daf659 100644 --- a/drivers/infiniband/sw/siw/siw_main.c +++ b/drivers/infiniband/sw/siw/siw_main.c @@ -612,6 +612,7 @@ static __init int siw_init_module(void) if (!siw_create_tx_threads()) { pr_info("siw: Could not start any TX thread\n"); + rv = -ENOMEM; goto out_error; } /* diff --git a/drivers/infiniband/sw/siw/siw_qp.c b/drivers/infiniband/sw/siw/siw_qp.c index 11383d9f95ef..e27bd5b35b96 100644 --- a/drivers/infiniband/sw/siw/siw_qp.c +++ b/drivers/infiniband/sw/siw/siw_qp.c @@ -220,12 +220,14 @@ static int siw_qp_enable_crc(struct siw_qp *qp) { struct siw_rx_stream *c_rx = &qp->rx_stream; struct siw_iwarp_tx *c_tx = &qp->tx_ctx; - int size = crypto_shash_descsize(siw_crypto_shash) + - sizeof(struct shash_desc); + int size; if (siw_crypto_shash == NULL) return -ENOENT; + size = crypto_shash_descsize(siw_crypto_shash) + + sizeof(struct shash_desc); + c_tx->mpa_crc_hd = kzalloc(size, GFP_KERNEL); c_rx->mpa_crc_hd = kzalloc(size, GFP_KERNEL); if (!c_tx->mpa_crc_hd || !c_rx->mpa_crc_hd) { diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index 29abfeeef9a5..6c554c11a7ac 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -201,7 +201,12 @@ static int iforce_usb_probe(struct usb_interface *intf, return -ENODEV; epirq = &interface->endpoint[0].desc; + if (!usb_endpoint_is_int_in(epirq)) + return -ENODEV; + epout = &interface->endpoint[1].desc; + if (!usb_endpoint_is_int_out(epout)) + return -ENODEV; iforce_usb = kzalloc(sizeof(*iforce_usb), GFP_KERNEL); if (!iforce_usb) diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 8e9c3ea9d5e7..90e8a7f2f07c 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -76,6 +76,8 @@ config KEYBOARD_APPLESPI depends on ACPI && EFI depends on SPI depends on X86 || COMPILE_TEST + depends on LEDS_CLASS + select CRC16 help Say Y here if you are running Linux on any Apple MacBook8,1 or later, or any MacBookPro13,* or MacBookPro14,*. diff --git a/drivers/input/keyboard/applespi.c b/drivers/input/keyboard/applespi.c index 548737e7aeda..584289b67fb3 100644 --- a/drivers/input/keyboard/applespi.c +++ b/drivers/input/keyboard/applespi.c @@ -134,10 +134,10 @@ struct keyboard_protocol { * struct tp_finger - single trackpad finger structure, le16-aligned * * @origin: zero when switching track finger - * @abs_x: absolute x coodinate - * @abs_y: absolute y coodinate - * @rel_x: relative x coodinate - * @rel_y: relative y coodinate + * @abs_x: absolute x coordinate + * @abs_y: absolute y coordinate + * @rel_x: relative x coordinate + * @rel_y: relative y coordinate * @tool_major: tool area, major axis * @tool_minor: tool area, minor axis * @orientation: 16384 when point, else 15 bit angle @@ -944,10 +944,14 @@ static inline int le16_to_int(__le16 x) static void applespi_debug_update_dimensions(struct applespi_data *applespi, const struct tp_finger *f) { - applespi->tp_dim_min_x = min_t(int, applespi->tp_dim_min_x, f->abs_x); - applespi->tp_dim_max_x = max_t(int, applespi->tp_dim_max_x, f->abs_x); - applespi->tp_dim_min_y = min_t(int, applespi->tp_dim_min_y, f->abs_y); - applespi->tp_dim_max_y = max_t(int, applespi->tp_dim_max_y, f->abs_y); + applespi->tp_dim_min_x = min(applespi->tp_dim_min_x, + le16_to_int(f->abs_x)); + applespi->tp_dim_max_x = max(applespi->tp_dim_max_x, + le16_to_int(f->abs_x)); + applespi->tp_dim_min_y = min(applespi->tp_dim_min_y, + le16_to_int(f->abs_y)); + applespi->tp_dim_max_y = max(applespi->tp_dim_max_y, + le16_to_int(f->abs_y)); } static int applespi_tp_dim_open(struct inode *inode, struct file *file) @@ -1490,8 +1494,7 @@ static void applespi_got_data(struct applespi_data *applespi) size_t tp_len; tp = &message->touchpad; - tp_len = sizeof(*tp) + - tp->number_of_fingers * sizeof(tp->fingers[0]); + tp_len = struct_size(tp, fingers, tp->number_of_fingers); if (le16_to_cpu(message->length) + 2 != tp_len) { dev_warn_ratelimited(&applespi->spi->dev, @@ -1611,8 +1614,8 @@ static void applespi_save_bl_level(struct applespi_data *applespi, efi_attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS; - sts = efivar_entry_set_safe(EFI_BL_LEVEL_NAME, efi_guid, efi_attr, true, - efi_data_len, &efi_data); + sts = efivar_entry_set_safe((efi_char16_t *)EFI_BL_LEVEL_NAME, efi_guid, + efi_attr, true, efi_data_len, &efi_data); if (sts) dev_warn(&applespi->spi->dev, "Error saving backlight level to EFI vars: %d\n", sts); @@ -1953,7 +1956,7 @@ static const struct acpi_device_id applespi_acpi_match[] = { }; MODULE_DEVICE_TABLE(acpi, applespi_acpi_match); -const struct dev_pm_ops applespi_pm_ops = { +static const struct dev_pm_ops applespi_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(applespi_suspend, applespi_resume) .poweroff_late = applespi_poweroff_late, }; diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 2d8434b7b623..04fe43440a3c 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1827,6 +1827,31 @@ static int elantech_create_smbus(struct psmouse *psmouse, leave_breadcrumbs); } +static bool elantech_use_host_notify(struct psmouse *psmouse, + struct elantech_device_info *info) +{ + if (ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version)) + return true; + + switch (info->bus) { + case ETP_BUS_PS2_ONLY: + /* expected case */ + break; + case ETP_BUS_SMB_HST_NTFY_ONLY: + case ETP_BUS_PS2_SMB_HST_NTFY: + /* SMbus implementation is stable since 2018 */ + if (dmi_get_bios_year() >= 2018) + return true; + /* fall through */ + default: + psmouse_dbg(psmouse, + "Ignoring SMBus bus provider %d\n", info->bus); + break; + } + + return false; +} + /** * elantech_setup_smbus - called once the PS/2 devices are enumerated * and decides to instantiate a SMBus InterTouch device. @@ -1846,7 +1871,7 @@ static int elantech_setup_smbus(struct psmouse *psmouse, * i2c_blacklist_pnp_ids. * Old ICs are up to the user to decide. */ - if (!ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version) || + if (!elantech_use_host_notify(psmouse, info) || psmouse_matches_pnp_id(psmouse, i2c_blacklist_pnp_ids)) return -ENXIO; } @@ -1866,34 +1891,6 @@ static int elantech_setup_smbus(struct psmouse *psmouse, return 0; } -static bool elantech_use_host_notify(struct psmouse *psmouse, - struct elantech_device_info *info) -{ - if (ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version)) - return true; - - switch (info->bus) { - case ETP_BUS_PS2_ONLY: - /* expected case */ - break; - case ETP_BUS_SMB_ALERT_ONLY: - /* fall-through */ - case ETP_BUS_PS2_SMB_ALERT: - psmouse_dbg(psmouse, "Ignoring SMBus provider through alert protocol.\n"); - break; - case ETP_BUS_SMB_HST_NTFY_ONLY: - /* fall-through */ - case ETP_BUS_PS2_SMB_HST_NTFY: - return true; - default: - psmouse_dbg(psmouse, - "Ignoring SMBus bus provider %d.\n", - info->bus); - } - - return false; -} - int elantech_init_smbus(struct psmouse *psmouse) { struct elantech_device_info info; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index b1956ed4c0dd..46bbe99d6511 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -182,6 +182,7 @@ static const char * const smbus_pnp_ids[] = { "LEN2055", /* E580 */ "SYN3052", /* HP EliteBook 840 G4 */ "SYN3221", /* HP 15-ay000 */ + "SYN323d", /* HP Spectre X360 13-w013dx */ NULL }; diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c index 04b85571f41e..aa577898e952 100644 --- a/drivers/input/tablet/kbtab.c +++ b/drivers/input/tablet/kbtab.c @@ -117,6 +117,10 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i if (intf->cur_altsetting->desc.bNumEndpoints < 1) return -ENODEV; + endpoint = &intf->cur_altsetting->endpoint[0].desc; + if (!usb_endpoint_is_int_in(endpoint)) + return -ENODEV; + kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL); input_dev = input_allocate_device(); if (!kbtab || !input_dev) @@ -155,8 +159,6 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i input_set_abs_params(input_dev, ABS_Y, 0, 0x1750, 4, 0); input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xff, 0, 0); - endpoint = &intf->cur_altsetting->endpoint[0].desc; - usb_fill_int_urb(kbtab->irq, dev, usb_rcvintpipe(dev, endpoint->bEndpointAddress), kbtab->data, 8, diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index a2cec6cacf57..16d70201de4a 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -1659,6 +1659,8 @@ static int usbtouch_probe(struct usb_interface *intf, if (!usbtouch || !input_dev) goto out_free; + mutex_init(&usbtouch->pm_mutex); + type = &usbtouch_dev_info[id->driver_info]; usbtouch->type = type; if (!type->process_pkt) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 730fbe0e2a9d..1b5c3672aea2 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -3010,7 +3010,7 @@ static int its_vpe_init(struct its_vpe *vpe) if (!its_alloc_vpe_table(vpe_id)) { its_vpe_id_free(vpe_id); - its_free_pending_table(vpe->vpt_page); + its_free_pending_table(vpt_page); return -ENOMEM; } diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 9bca4896fa6f..96d927f0f91a 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -771,8 +771,10 @@ static void gic_cpu_sys_reg_init(void) case 7: write_gicreg(0, ICC_AP0R3_EL1); write_gicreg(0, ICC_AP0R2_EL1); + /* Fall through */ case 6: write_gicreg(0, ICC_AP0R1_EL1); + /* Fall through */ case 5: case 4: write_gicreg(0, ICC_AP0R0_EL1); @@ -786,8 +788,10 @@ static void gic_cpu_sys_reg_init(void) case 7: write_gicreg(0, ICC_AP1R3_EL1); write_gicreg(0, ICC_AP1R2_EL1); + /* Fall through */ case 6: write_gicreg(0, ICC_AP1R1_EL1); + /* Fall through */ case 5: case 4: write_gicreg(0, ICC_AP1R0_EL1); diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c index bf2237ac5d09..4f74c15c4755 100644 --- a/drivers/irqchip/irq-imx-gpcv2.c +++ b/drivers/irqchip/irq-imx-gpcv2.c @@ -131,6 +131,7 @@ static struct irq_chip gpcv2_irqchip_data_chip = { .irq_unmask = imx_gpcv2_irq_unmask, .irq_set_wake = imx_gpcv2_irq_set_wake, .irq_retrigger = irq_chip_retrigger_hierarchy, + .irq_set_type = irq_chip_set_type_parent, #ifdef CONFIG_SMP .irq_set_affinity = irq_chip_set_affinity_parent, #endif diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index 3dd28382d5f5..3f09f658e8e2 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -241,12 +241,15 @@ static int mbigen_of_create_domain(struct platform_device *pdev, parent = platform_bus_type.dev_root; child = of_platform_device_create(np, NULL, parent); - if (!child) + if (!child) { + of_node_put(np); return -ENOMEM; + } if (of_property_read_u32(child->dev.of_node, "num-pins", &num_pins) < 0) { dev_err(&pdev->dev, "No num-pins property\n"); + of_node_put(np); return -EINVAL; } @@ -254,8 +257,10 @@ static int mbigen_of_create_domain(struct platform_device *pdev, mbigen_write_msg, &mbigen_domain_ops, mgn_chip); - if (!domain) + if (!domain) { + of_node_put(np); return -ENOMEM; + } } return 0; diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c index 0e224232f746..008a74a1ed44 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.c +++ b/drivers/isdn/hardware/mISDN/hfcsusb.c @@ -1394,6 +1394,7 @@ start_isoc_chain(struct usb_fifo *fifo, int num_packets_per_urb, printk(KERN_DEBUG "%s: %s: alloc urb for fifo %i failed", hw->name, __func__, fifo->fifonum); + continue; } fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo; fifo->iso[i].indx = i; @@ -1692,13 +1693,23 @@ hfcsusb_stop_endpoint(struct hfcsusb *hw, int channel) static int setup_hfcsusb(struct hfcsusb *hw) { + void *dmabuf = kmalloc(sizeof(u_char), GFP_KERNEL); u_char b; + int ret; if (debug & DBG_HFC_CALL_TRACE) printk(KERN_DEBUG "%s: %s\n", hw->name, __func__); + if (!dmabuf) + return -ENOMEM; + + ret = read_reg_atomic(hw, HFCUSB_CHIP_ID, dmabuf); + + memcpy(&b, dmabuf, sizeof(u_char)); + kfree(dmabuf); + /* check the chip id */ - if (read_reg_atomic(hw, HFCUSB_CHIP_ID, &b) != 1) { + if (ret != 1) { printk(KERN_DEBUG "%s: %s: cannot read chip id\n", hw->name, __func__); return 1; diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 276065c888bc..23f1f41c8602 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -852,6 +852,7 @@ int smu_queue_i2c(struct smu_i2c_cmd *cmd) break; case SMU_I2C_TRANSFER_COMBINED: cmd->info.devaddr &= 0xfe; + /* fall through */ case SMU_I2C_TRANSFER_STDSUB: if (cmd->info.sublen > 3) return -EINVAL; diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index 9f0826712845..e2059af90791 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -23,24 +23,28 @@ static const char * const bch_cache_modes[] = { "writethrough", "writeback", "writearound", - "none" + "none", + NULL }; /* Default is 0 ("auto") */ static const char * const bch_stop_on_failure_modes[] = { "auto", - "always" + "always", + NULL }; static const char * const cache_replacement_policies[] = { "lru", "fifo", - "random" + "random", + NULL }; static const char * const error_actions[] = { "unregister", - "panic" + "panic", + NULL }; write_attribute(attach); @@ -338,7 +342,7 @@ STORE(__cached_dev) } if (attr == &sysfs_cache_mode) { - v = sysfs_match_string(bch_cache_modes, buf); + v = __sysfs_match_string(bch_cache_modes, -1, buf); if (v < 0) return v; @@ -349,7 +353,7 @@ STORE(__cached_dev) } if (attr == &sysfs_stop_when_cache_set_failed) { - v = sysfs_match_string(bch_stop_on_failure_modes, buf); + v = __sysfs_match_string(bch_stop_on_failure_modes, -1, buf); if (v < 0) return v; @@ -816,7 +820,7 @@ STORE(__bch_cache_set) 0, UINT_MAX); if (attr == &sysfs_errors) { - v = sysfs_match_string(error_actions, buf); + v = __sysfs_match_string(error_actions, -1, buf); if (v < 0) return v; @@ -1088,7 +1092,7 @@ STORE(__bch_cache) } if (attr == &sysfs_cache_replacement_policy) { - v = sysfs_match_string(cache_replacement_policies, buf); + v = __sysfs_match_string(cache_replacement_policies, -1, buf); if (v < 0) return v; diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index caaee8032afe..7b6c3ee9e755 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -882,23 +882,23 @@ EXPORT_SYMBOL_GPL(dm_table_set_type); /* validate the dax capability of the target device span */ int device_supports_dax(struct dm_target *ti, struct dm_dev *dev, - sector_t start, sector_t len, void *data) + sector_t start, sector_t len, void *data) { int blocksize = *(int *) data; return generic_fsdax_supported(dev->dax_dev, dev->bdev, blocksize, - start, len); + start, len); } /* Check devices support synchronous DAX */ -static int device_synchronous(struct dm_target *ti, struct dm_dev *dev, - sector_t start, sector_t len, void *data) +static int device_dax_synchronous(struct dm_target *ti, struct dm_dev *dev, + sector_t start, sector_t len, void *data) { - return dax_synchronous(dev->dax_dev); + return dev->dax_dev && dax_synchronous(dev->dax_dev); } bool dm_table_supports_dax(struct dm_table *t, - iterate_devices_callout_fn iterate_fn, int *blocksize) + iterate_devices_callout_fn iterate_fn, int *blocksize) { struct dm_target *ti; unsigned i; @@ -911,7 +911,7 @@ bool dm_table_supports_dax(struct dm_table *t, return false; if (!ti->type->iterate_devices || - !ti->type->iterate_devices(ti, iterate_fn, blocksize)) + !ti->type->iterate_devices(ti, iterate_fn, blocksize)) return false; } @@ -1921,7 +1921,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, if (dm_table_supports_dax(t, device_supports_dax, &page_size)) { blk_queue_flag_set(QUEUE_FLAG_DAX, q); - if (dm_table_supports_dax(t, device_synchronous, NULL)) + if (dm_table_supports_dax(t, device_dax_synchronous, NULL)) set_dax_synchronous(t->md->dax_dev); } else diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c index bc2a176937a4..d535aac68ce1 100644 --- a/drivers/media/platform/vivid/vivid-core.c +++ b/drivers/media/platform/vivid/vivid-core.c @@ -1099,6 +1099,8 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) /* start creating the vb2 queues */ if (dev->has_vid_cap) { + snprintf(dev->vid_cap_dev.name, sizeof(dev->vid_cap_dev.name), + "vivid-%03d-vid-cap", inst); /* initialize vid_cap queue */ q = &dev->vb_vid_cap_q; q->type = dev->multiplanar ? V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE : @@ -1122,6 +1124,8 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) } if (dev->has_vid_out) { + snprintf(dev->vid_out_dev.name, sizeof(dev->vid_out_dev.name), + "vivid-%03d-vid-out", inst); /* initialize vid_out queue */ q = &dev->vb_vid_out_q; q->type = dev->multiplanar ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE : @@ -1265,8 +1269,6 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) /* finally start creating the device nodes */ if (dev->has_vid_cap) { vfd = &dev->vid_cap_dev; - snprintf(vfd->name, sizeof(vfd->name), - "vivid-%03d-vid-cap", inst); vfd->fops = &vivid_fops; vfd->ioctl_ops = &vivid_ioctl_ops; vfd->device_caps = dev->vid_cap_caps; @@ -1312,8 +1314,6 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) if (dev->has_vid_out) { vfd = &dev->vid_out_dev; - snprintf(vfd->name, sizeof(vfd->name), - "vivid-%03d-vid-out", inst); vfd->vfl_dir = VFL_DIR_TX; vfd->fops = &vivid_fops; vfd->ioctl_ops = &vivid_ioctl_ops; diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 3f21e26b8d36..90e0f21bc49c 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -1590,8 +1590,10 @@ static unsigned long dsiclk_rate(u8 n) switch (divsel) { case PRCM_DSI_PLLOUT_SEL_PHI_4: div *= 2; + /* Fall through */ case PRCM_DSI_PLLOUT_SEL_PHI_2: div *= 2; + /* Fall through */ case PRCM_DSI_PLLOUT_SEL_PHI: return pll_rate(PRCM_PLLDSI_FREQ, clock_rate(PRCMU_HDMICLK), PLL_RAW) / div; diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 792b855a9104..4798d9f3f9d5 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -308,7 +308,7 @@ static int usbhs_runtime_resume(struct device *dev) i, r); } } - /* Fall through as HSIC mode needs utmi_clk */ + /* Fall through - as HSIC mode needs utmi_clk */ case OMAP_EHCI_PORT_MODE_TLL: if (!IS_ERR(omap->utmi_clk[i])) { @@ -344,7 +344,7 @@ static int usbhs_runtime_suspend(struct device *dev) if (!IS_ERR(omap->hsic480m_clk[i])) clk_disable_unprepare(omap->hsic480m_clk[i]); - /* Fall through as utmi_clks were used in HSIC mode */ + /* Fall through - as utmi_clks were used in HSIC mode */ case OMAP_EHCI_PORT_MODE_TLL: if (!IS_ERR(omap->utmi_clk[i])) diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 35bf2477693d..518945b2f737 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -685,7 +685,7 @@ static int at24_probe(struct i2c_client *client) nvmem_config.name = dev_name(dev); nvmem_config.dev = dev; nvmem_config.read_only = !writable; - nvmem_config.root_only = true; + nvmem_config.root_only = !(flags & AT24_FLAG_IRUGO); nvmem_config.owner = THIS_MODULE; nvmem_config.compat = true; nvmem_config.base_dev = dev; diff --git a/drivers/misc/habanalabs/command_submission.c b/drivers/misc/habanalabs/command_submission.c index 6ad83d5ef4b0..f00d1c32f6d6 100644 --- a/drivers/misc/habanalabs/command_submission.c +++ b/drivers/misc/habanalabs/command_submission.c @@ -683,7 +683,7 @@ int hl_cs_ioctl(struct hl_fpriv *hpriv, void *data) rc = hl_poll_timeout_memory(hdev, &ctx->thread_ctx_switch_wait_token, tmp, (tmp == 1), - 100, jiffies_to_usecs(hdev->timeout_jiffies)); + 100, jiffies_to_usecs(hdev->timeout_jiffies), false); if (rc == -ETIMEDOUT) { dev_err(hdev->dev, diff --git a/drivers/misc/habanalabs/firmware_if.c b/drivers/misc/habanalabs/firmware_if.c index cc8168bacb24..ea2ca67fbfbf 100644 --- a/drivers/misc/habanalabs/firmware_if.c +++ b/drivers/misc/habanalabs/firmware_if.c @@ -24,7 +24,7 @@ int hl_fw_push_fw_to_device(struct hl_device *hdev, const char *fw_name, { const struct firmware *fw; const u64 *fw_data; - size_t fw_size, i; + size_t fw_size; int rc; rc = request_firmware(&fw, fw_name, hdev->dev); @@ -45,22 +45,7 @@ int hl_fw_push_fw_to_device(struct hl_device *hdev, const char *fw_name, fw_data = (const u64 *) fw->data; - if ((fw->size % 8) != 0) - fw_size -= 8; - - for (i = 0 ; i < fw_size ; i += 8, fw_data++, dst += 8) { - if (!(i & (0x80000 - 1))) { - dev_dbg(hdev->dev, - "copied so far %zu out of %zu for %s firmware", - i, fw_size, fw_name); - usleep_range(20, 100); - } - - writeq(*fw_data, dst); - } - - if ((fw->size % 8) != 0) - writel(*(const u32 *) fw_data, dst); + memcpy_toio(dst, fw_data, fw_size); out: release_firmware(fw); @@ -112,7 +97,8 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg, } rc = hl_poll_timeout_memory(hdev, &pkt->fence, tmp, - (tmp == ARMCP_PACKET_FENCE_VAL), 1000, timeout); + (tmp == ARMCP_PACKET_FENCE_VAL), 1000, + timeout, true); hl_hw_queue_inc_ci_kernel(hdev, hw_queue_id); diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 1a2c062a57d4..a0e181714891 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -2864,7 +2864,8 @@ static int goya_send_job_on_qman0(struct hl_device *hdev, struct hl_cs_job *job) } rc = hl_poll_timeout_memory(hdev, fence_ptr, tmp, - (tmp == GOYA_QMAN0_FENCE_VAL), 1000, timeout); + (tmp == GOYA_QMAN0_FENCE_VAL), 1000, + timeout, true); hl_hw_queue_inc_ci_kernel(hdev, GOYA_QUEUE_ID_DMA_0); @@ -2945,7 +2946,7 @@ int goya_test_queue(struct hl_device *hdev, u32 hw_queue_id) } rc = hl_poll_timeout_memory(hdev, fence_ptr, tmp, (tmp == fence_val), - 1000, GOYA_TEST_QUEUE_WAIT_USEC); + 1000, GOYA_TEST_QUEUE_WAIT_USEC, true); hl_hw_queue_inc_ci_kernel(hdev, hw_queue_id); diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index 10da9940ee0d..6a4c64b97f38 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -1062,9 +1062,17 @@ void hl_wreg(struct hl_device *hdev, u32 reg, u32 val); /* * address in this macro points always to a memory location in the * host's (server's) memory. That location is updated asynchronously - * either by the direct access of the device or by another core + * either by the direct access of the device or by another core. + * + * To work both in LE and BE architectures, we need to distinguish between the + * two states (device or another core updates the memory location). Therefore, + * if mem_written_by_device is true, the host memory being polled will be + * updated directly by the device. If false, the host memory being polled will + * be updated by host CPU. Required so host knows whether or not the memory + * might need to be byte-swapped before returning value to caller. */ -#define hl_poll_timeout_memory(hdev, addr, val, cond, sleep_us, timeout_us) \ +#define hl_poll_timeout_memory(hdev, addr, val, cond, sleep_us, timeout_us, \ + mem_written_by_device) \ ({ \ ktime_t __timeout; \ /* timeout should be longer when working with simulator */ \ @@ -1077,10 +1085,14 @@ void hl_wreg(struct hl_device *hdev, u32 reg, u32 val); /* Verify we read updates done by other cores or by device */ \ mb(); \ (val) = *((u32 *) (uintptr_t) (addr)); \ + if (mem_written_by_device) \ + (val) = le32_to_cpu(val); \ if (cond) \ break; \ if (timeout_us && ktime_compare(ktime_get(), __timeout) > 0) { \ (val) = *((u32 *) (uintptr_t) (addr)); \ + if (mem_written_by_device) \ + (val) = le32_to_cpu(val); \ break; \ } \ if (sleep_us) \ diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index e327f80ebe70..7102e2ebc614 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -10,6 +10,7 @@ #include <linux/kthread.h> #include <linux/scatterlist.h> #include <linux/dma-mapping.h> +#include <linux/backing-dev.h> #include <linux/mmc/card.h> #include <linux/mmc/host.h> @@ -427,6 +428,10 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card) goto free_tag_set; } + if (mmc_host_is_spi(host) && host->use_spi_crc) + mq->queue->backing_dev_info->capabilities |= + BDI_CAP_STABLE_WRITES; + mq->queue->queuedata = mq; blk_queue_rq_timeout(mq->queue, 60 * HZ); diff --git a/drivers/mmc/host/cavium.c b/drivers/mmc/host/cavium.c index ed5cefb83768..89deb451e0ac 100644 --- a/drivers/mmc/host/cavium.c +++ b/drivers/mmc/host/cavium.c @@ -374,6 +374,7 @@ static int finish_dma_single(struct cvm_mmc_host *host, struct mmc_data *data) { data->bytes_xfered = data->blocks * data->blksz; data->error = 0; + dma_unmap_sg(host->dev, data->sg, data->sg_len, get_dma_dir(data)); return 1; } @@ -1046,7 +1047,8 @@ int cvm_mmc_of_slot_probe(struct device *dev, struct cvm_mmc_host *host) mmc->max_segs = 1; /* DMA size field can address up to 8 MB */ - mmc->max_seg_size = 8 * 1024 * 1024; + mmc->max_seg_size = min_t(unsigned int, 8 * 1024 * 1024, + dma_get_max_seg_size(host->dev)); mmc->max_req_size = mmc->max_seg_size; /* External DMA is in 512 byte blocks */ mmc->max_blk_size = 512; diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index faaaf52a46d2..eea52e2c5a0c 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2012,8 +2012,7 @@ static void dw_mci_tasklet_func(unsigned long priv) * delayed. Allowing the transfer to take place * avoids races and keeps things simple. */ - if ((err != -ETIMEDOUT) && - (cmd->opcode == MMC_SEND_TUNING_BLOCK)) { + if (err != -ETIMEDOUT) { state = STATE_SENDING_DATA; continue; } diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c index 2d736e416775..ba9a63db73da 100644 --- a/drivers/mmc/host/meson-mx-sdio.c +++ b/drivers/mmc/host/meson-mx-sdio.c @@ -73,7 +73,7 @@ #define MESON_MX_SDIO_IRQC_IF_CONFIG_MASK GENMASK(7, 6) #define MESON_MX_SDIO_IRQC_FORCE_DATA_CLK BIT(8) #define MESON_MX_SDIO_IRQC_FORCE_DATA_CMD BIT(9) - #define MESON_MX_SDIO_IRQC_FORCE_DATA_DAT_MASK GENMASK(10, 13) + #define MESON_MX_SDIO_IRQC_FORCE_DATA_DAT_MASK GENMASK(13, 10) #define MESON_MX_SDIO_IRQC_SOFT_RESET BIT(15) #define MESON_MX_SDIO_IRQC_FORCE_HALT BIT(30) #define MESON_MX_SDIO_IRQC_HALT_HOLE BIT(31) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index b3a130a9ee23..1604f512c7bd 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -883,7 +883,7 @@ static int sdhci_acpi_runtime_resume(struct device *dev) sdhci_acpi_byt_setting(&c->pdev->dev); - return sdhci_runtime_resume_host(c->host); + return sdhci_runtime_resume_host(c->host, 0); } #endif diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index c391510e9ef4..776a94216248 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1705,7 +1705,7 @@ static int sdhci_esdhc_runtime_resume(struct device *dev) esdhc_pltfm_set_clock(host, imx_data->actual_clock); } - err = sdhci_runtime_resume_host(host); + err = sdhci_runtime_resume_host(host, 0); if (err) goto disable_ipg_clk; diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index e377b9bc55a4..d4e7e8b7be77 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -289,7 +289,7 @@ static int sdhci_at91_runtime_resume(struct device *dev) } out: - return sdhci_runtime_resume_host(host); + return sdhci_runtime_resume_host(host, 0); } #endif /* CONFIG_PM */ diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 4041878eb0f3..7d06e2860c36 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -167,7 +167,7 @@ static int sdhci_pci_runtime_suspend_host(struct sdhci_pci_chip *chip) err_pci_runtime_suspend: while (--i >= 0) - sdhci_runtime_resume_host(chip->slots[i]->host); + sdhci_runtime_resume_host(chip->slots[i]->host, 0); return ret; } @@ -181,7 +181,7 @@ static int sdhci_pci_runtime_resume_host(struct sdhci_pci_chip *chip) if (!slot) continue; - ret = sdhci_runtime_resume_host(slot->host); + ret = sdhci_runtime_resume_host(slot->host, 0); if (ret) return ret; } diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index 3ddecf479295..e55037ceda73 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -554,7 +554,7 @@ static int sdhci_pxav3_runtime_resume(struct device *dev) if (!IS_ERR(pxa->clk_core)) clk_prepare_enable(pxa->clk_core); - return sdhci_runtime_resume_host(host); + return sdhci_runtime_resume_host(host, 0); } #endif diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 8e4a8ba33f05..f5753aef7151 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -745,7 +745,7 @@ static int sdhci_s3c_runtime_resume(struct device *dev) clk_prepare_enable(busclk); if (ourhost->cur_clk >= 0) clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]); - ret = sdhci_runtime_resume_host(host); + ret = sdhci_runtime_resume_host(host, 0); return ret; } #endif diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index 6ee340a3fb3a..83a4767ca680 100644 --- a/drivers/mmc/host/sdhci-sprd.c +++ b/drivers/mmc/host/sdhci-sprd.c @@ -624,6 +624,7 @@ err_cleanup_host: sdhci_cleanup_host(host); pm_runtime_disable: + pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); @@ -695,7 +696,7 @@ static int sdhci_sprd_runtime_resume(struct device *dev) if (ret) goto clk_disable; - sdhci_runtime_resume_host(host); + sdhci_runtime_resume_host(host, 1); return 0; clk_disable: diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c index 8a18f14cf842..1dea1ba66f7b 100644 --- a/drivers/mmc/host/sdhci-xenon.c +++ b/drivers/mmc/host/sdhci-xenon.c @@ -638,7 +638,7 @@ static int xenon_runtime_resume(struct device *dev) priv->restore_needed = false; } - ret = sdhci_runtime_resume_host(host); + ret = sdhci_runtime_resume_host(host, 0); if (ret) goto out; return 0; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 59acf8e3331e..a5dc5aae973e 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -3320,7 +3320,7 @@ int sdhci_runtime_suspend_host(struct sdhci_host *host) } EXPORT_SYMBOL_GPL(sdhci_runtime_suspend_host); -int sdhci_runtime_resume_host(struct sdhci_host *host) +int sdhci_runtime_resume_host(struct sdhci_host *host, int soft_reset) { struct mmc_host *mmc = host->mmc; unsigned long flags; @@ -3331,7 +3331,7 @@ int sdhci_runtime_resume_host(struct sdhci_host *host) host->ops->enable_dma(host); } - sdhci_init(host, 0); + sdhci_init(host, soft_reset); if (mmc->ios.power_mode != MMC_POWER_UNDEFINED && mmc->ios.power_mode != MMC_POWER_OFF) { diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 89fd96596a1f..902f855efe8f 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -781,7 +781,7 @@ void sdhci_adma_write_desc(struct sdhci_host *host, void **desc, int sdhci_suspend_host(struct sdhci_host *host); int sdhci_resume_host(struct sdhci_host *host); int sdhci_runtime_suspend_host(struct sdhci_host *host); -int sdhci_runtime_resume_host(struct sdhci_host *host); +int sdhci_runtime_resume_host(struct sdhci_host *host, int soft_reset); #endif void sdhci_cqe_enable(struct mmc_host *mmc); diff --git a/drivers/mtd/hyperbus/Kconfig b/drivers/mtd/hyperbus/Kconfig index cff6bbd226f5..b4e3caf7d799 100644 --- a/drivers/mtd/hyperbus/Kconfig +++ b/drivers/mtd/hyperbus/Kconfig @@ -14,8 +14,9 @@ if MTD_HYPERBUS config HBMC_AM654 tristate "HyperBus controller driver for AM65x SoC" + depends on ARM64 || COMPILE_TEST select MULTIPLEXER - select MUX_MMIO + imply MUX_MMIO help This is the driver for HyperBus controller on TI's AM65x and other SoCs diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c index 1622d3145587..8ca9fad6e6ad 100644 --- a/drivers/mtd/nand/raw/nand_micron.c +++ b/drivers/mtd/nand/raw/nand_micron.c @@ -390,6 +390,14 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip) (chip->id.data[4] & MICRON_ID_INTERNAL_ECC_MASK) != 0x2) return MICRON_ON_DIE_UNSUPPORTED; + /* + * It seems that there are devices which do not support ECC officially. + * At least the MT29F2G08ABAGA / MT29F2G08ABBGA devices supports + * enabling the ECC feature but don't reflect that to the READ_ID table. + * So we have to guarantee that we disable the ECC feature directly + * after we did the READ_ID table command. Later we can evaluate the + * ECC_ENABLE support. + */ ret = micron_nand_on_die_ecc_setup(chip, true); if (ret) return MICRON_ON_DIE_UNSUPPORTED; @@ -398,13 +406,13 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip) if (ret) return MICRON_ON_DIE_UNSUPPORTED; - if (!(id[4] & MICRON_ID_ECC_ENABLED)) - return MICRON_ON_DIE_UNSUPPORTED; - ret = micron_nand_on_die_ecc_setup(chip, false); if (ret) return MICRON_ON_DIE_UNSUPPORTED; + if (!(id[4] & MICRON_ID_ECC_ENABLED)) + return MICRON_ON_DIE_UNSUPPORTED; + ret = nand_readid_op(chip, 0, id, sizeof(id)); if (ret) return MICRON_ON_DIE_UNSUPPORTED; diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c index 11c5bad95226..14a5fb378145 100644 --- a/drivers/net/arcnet/arc-rimi.c +++ b/drivers/net/arcnet/arc-rimi.c @@ -363,10 +363,13 @@ static int __init arcrimi_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_err("Too many arguments\n"); + /* Fall through */ case 3: /* Node ID */ node = ints[3]; + /* Fall through */ case 2: /* IRQ */ irq = ints[2]; + /* Fall through */ case 1: /* IO address */ io = ints[1]; } diff --git a/drivers/net/arcnet/com20020-isa.c b/drivers/net/arcnet/com20020-isa.c index 28510e33924f..cd27fdc1059b 100644 --- a/drivers/net/arcnet/com20020-isa.c +++ b/drivers/net/arcnet/com20020-isa.c @@ -197,16 +197,22 @@ static int __init com20020isa_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_info("Too many arguments\n"); + /* Fall through */ case 6: /* Timeout */ timeout = ints[6]; + /* Fall through */ case 5: /* CKP value */ clockp = ints[5]; + /* Fall through */ case 4: /* Backplane flag */ backplane = ints[4]; + /* Fall through */ case 3: /* Node ID */ node = ints[3]; + /* Fall through */ case 2: /* IRQ */ irq = ints[2]; + /* Fall through */ case 1: /* IO address */ io = ints[1]; } diff --git a/drivers/net/arcnet/com90io.c b/drivers/net/arcnet/com90io.c index 2c546013a980..186bbf87bc84 100644 --- a/drivers/net/arcnet/com90io.c +++ b/drivers/net/arcnet/com90io.c @@ -363,8 +363,10 @@ static int __init com90io_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_err("Too many arguments\n"); + /* Fall through */ case 2: /* IRQ */ irq = ints[2]; + /* Fall through */ case 1: /* IO address */ io = ints[1]; } diff --git a/drivers/net/arcnet/com90xx.c b/drivers/net/arcnet/com90xx.c index ca4a57c30bf8..bd75d06ad7df 100644 --- a/drivers/net/arcnet/com90xx.c +++ b/drivers/net/arcnet/com90xx.c @@ -693,10 +693,13 @@ static int __init com90xx_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_err("Too many arguments\n"); + /* Fall through */ case 3: /* Mem address */ shmem = ints[3]; + /* Fall through */ case 2: /* IRQ */ irq = ints[2]; + /* Fall through */ case 1: /* IO address */ io = ints[1]; } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 9b7016abca2f..02fd7822c14a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2196,6 +2196,15 @@ static void bond_miimon_commit(struct bonding *bond) bond_for_each_slave(bond, slave, iter) { switch (slave->new_link) { case BOND_LINK_NOCHANGE: + /* For 802.3ad mode, check current slave speed and + * duplex again in case its port was disabled after + * invalid speed/duplex reporting but recovered before + * link monitoring could make a decision on the actual + * link status + */ + if (BOND_MODE(bond) == BOND_MODE_8023AD && + slave->link == BOND_LINK_UP) + bond_3ad_adapter_speed_duplex_changed(slave); continue; case BOND_LINK_UP: diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index b6b93a2d93a5..483d270664cc 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -1249,6 +1249,8 @@ int register_candev(struct net_device *dev) return -EINVAL; dev->rtnl_link_ops = &can_link_ops; + netif_carrier_off(dev); + return register_netdev(dev); } EXPORT_SYMBOL_GPL(register_candev); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index f2fe344593d5..fcec8bcb53d6 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -400,9 +400,10 @@ static void flexcan_enable_wakeup_irq(struct flexcan_priv *priv, bool enable) priv->write(reg_mcr, ®s->mcr); } -static inline void flexcan_enter_stop_mode(struct flexcan_priv *priv) +static inline int flexcan_enter_stop_mode(struct flexcan_priv *priv) { struct flexcan_regs __iomem *regs = priv->regs; + unsigned int ackval; u32 reg_mcr; reg_mcr = priv->read(®s->mcr); @@ -412,20 +413,37 @@ static inline void flexcan_enter_stop_mode(struct flexcan_priv *priv) /* enable stop request */ regmap_update_bits(priv->stm.gpr, priv->stm.req_gpr, 1 << priv->stm.req_bit, 1 << priv->stm.req_bit); + + /* get stop acknowledgment */ + if (regmap_read_poll_timeout(priv->stm.gpr, priv->stm.ack_gpr, + ackval, ackval & (1 << priv->stm.ack_bit), + 0, FLEXCAN_TIMEOUT_US)) + return -ETIMEDOUT; + + return 0; } -static inline void flexcan_exit_stop_mode(struct flexcan_priv *priv) +static inline int flexcan_exit_stop_mode(struct flexcan_priv *priv) { struct flexcan_regs __iomem *regs = priv->regs; + unsigned int ackval; u32 reg_mcr; /* remove stop request */ regmap_update_bits(priv->stm.gpr, priv->stm.req_gpr, 1 << priv->stm.req_bit, 0); + /* get stop acknowledgment */ + if (regmap_read_poll_timeout(priv->stm.gpr, priv->stm.ack_gpr, + ackval, !(ackval & (1 << priv->stm.ack_bit)), + 0, FLEXCAN_TIMEOUT_US)) + return -ETIMEDOUT; + reg_mcr = priv->read(®s->mcr); reg_mcr &= ~FLEXCAN_MCR_SLF_WAK; priv->write(reg_mcr, ®s->mcr); + + return 0; } static inline void flexcan_error_irq_enable(const struct flexcan_priv *priv) @@ -1437,10 +1455,10 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev) priv = netdev_priv(dev); priv->stm.gpr = syscon_node_to_regmap(gpr_np); - of_node_put(gpr_np); if (IS_ERR(priv->stm.gpr)) { dev_dbg(&pdev->dev, "could not find gpr regmap\n"); - return PTR_ERR(priv->stm.gpr); + ret = PTR_ERR(priv->stm.gpr); + goto out_put_node; } priv->stm.req_gpr = out_val[1]; @@ -1455,7 +1473,9 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev) device_set_wakeup_capable(&pdev->dev, true); - return 0; +out_put_node: + of_node_put(gpr_np); + return ret; } static const struct of_device_id flexcan_of_match[] = { @@ -1612,7 +1632,9 @@ static int __maybe_unused flexcan_suspend(struct device *device) */ if (device_may_wakeup(device)) { enable_irq_wake(dev->irq); - flexcan_enter_stop_mode(priv); + err = flexcan_enter_stop_mode(priv); + if (err) + return err; } else { err = flexcan_chip_disable(priv); if (err) @@ -1662,10 +1684,13 @@ static int __maybe_unused flexcan_noirq_resume(struct device *device) { struct net_device *dev = dev_get_drvdata(device); struct flexcan_priv *priv = netdev_priv(dev); + int err; if (netif_running(dev) && device_may_wakeup(device)) { flexcan_enable_wakeup_irq(priv, false); - flexcan_exit_stop_mode(priv); + err = flexcan_exit_stop_mode(priv); + if (err) + return err; } return 0; diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index 05410008aa6b..de34a4b82d4a 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -1508,10 +1508,11 @@ static int rcar_canfd_rx_poll(struct napi_struct *napi, int quota) /* All packets processed */ if (num_pkts < quota) { - napi_complete_done(napi, num_pkts); - /* Enable Rx FIFO interrupts */ - rcar_canfd_set_bit(priv->base, RCANFD_RFCC(ridx), - RCANFD_RFCC_RFIE); + if (napi_complete_done(napi, num_pkts)) { + /* Enable Rx FIFO interrupts */ + rcar_canfd_set_bit(priv->base, RCANFD_RFCC(ridx), + RCANFD_RFCC_RFIE); + } } return num_pkts; } diff --git a/drivers/net/can/sja1000/peak_pcmcia.c b/drivers/net/can/sja1000/peak_pcmcia.c index 185c7f7d38a4..5e0d5e8101c8 100644 --- a/drivers/net/can/sja1000/peak_pcmcia.c +++ b/drivers/net/can/sja1000/peak_pcmcia.c @@ -479,7 +479,7 @@ static void pcan_free_channels(struct pcan_pccard *card) if (!netdev) continue; - strncpy(name, netdev->name, IFNAMSIZ); + strlcpy(name, netdev->name, IFNAMSIZ); unregister_sja1000dev(netdev); diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 234cf1042df6..12358f06d194 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -664,17 +664,6 @@ static int mcp251x_power_enable(struct regulator *reg, int enable) return regulator_disable(reg); } -static void mcp251x_open_clean(struct net_device *net) -{ - struct mcp251x_priv *priv = netdev_priv(net); - struct spi_device *spi = priv->spi; - - free_irq(spi->irq, priv); - mcp251x_hw_sleep(spi); - mcp251x_power_enable(priv->transceiver, 0); - close_candev(net); -} - static int mcp251x_stop(struct net_device *net) { struct mcp251x_priv *priv = netdev_priv(net); @@ -941,37 +930,43 @@ static int mcp251x_open(struct net_device *net) flags | IRQF_ONESHOT, DEVICE_NAME, priv); if (ret) { dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq); - mcp251x_power_enable(priv->transceiver, 0); - close_candev(net); - goto open_unlock; + goto out_close; } priv->wq = alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM, 0); + if (!priv->wq) { + ret = -ENOMEM; + goto out_clean; + } INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler); INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler); ret = mcp251x_hw_reset(spi); - if (ret) { - mcp251x_open_clean(net); - goto open_unlock; - } + if (ret) + goto out_free_wq; ret = mcp251x_setup(net, spi); - if (ret) { - mcp251x_open_clean(net); - goto open_unlock; - } + if (ret) + goto out_free_wq; ret = mcp251x_set_normal_mode(spi); - if (ret) { - mcp251x_open_clean(net); - goto open_unlock; - } + if (ret) + goto out_free_wq; can_led_event(net, CAN_LED_EVENT_OPEN); netif_wake_queue(net); + mutex_unlock(&priv->mcp_lock); -open_unlock: + return 0; + +out_free_wq: + destroy_workqueue(priv->wq); +out_clean: + free_irq(spi->irq, priv); + mcp251x_hw_sleep(spi); +out_close: + mcp251x_power_enable(priv->transceiver, 0); + close_candev(net); mutex_unlock(&priv->mcp_lock); return ret; } diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index 458154c9b482..65dce642b86b 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -568,16 +568,16 @@ static int peak_usb_ndo_stop(struct net_device *netdev) dev->state &= ~PCAN_USB_STATE_STARTED; netif_stop_queue(netdev); + close_candev(netdev); + + dev->can.state = CAN_STATE_STOPPED; + /* unlink all pending urbs and free used memory */ peak_usb_unlink_all_urbs(dev); if (dev->adapter->dev_stop) dev->adapter->dev_stop(dev); - close_candev(netdev); - - dev->can.state = CAN_STATE_STOPPED; - /* can set bus off now */ if (dev->adapter->dev_set_bus) { int err = dev->adapter->dev_set_bus(dev, 0); @@ -855,7 +855,7 @@ static void peak_usb_disconnect(struct usb_interface *intf) dev_prev_siblings = dev->prev_siblings; dev->state &= ~PCAN_USB_STATE_CONNECTED; - strncpy(name, netdev->name, IFNAMSIZ); + strlcpy(name, netdev->name, IFNAMSIZ); unregister_netdev(netdev); diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c index 34761c3a6286..47cc1ff5b88e 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c @@ -841,7 +841,7 @@ static int pcan_usb_fd_init(struct peak_usb_device *dev) goto err_out; /* allocate command buffer once for all for the interface */ - pdev->cmd_buffer_addr = kmalloc(PCAN_UFD_CMD_BUFFER_SIZE, + pdev->cmd_buffer_addr = kzalloc(PCAN_UFD_CMD_BUFFER_SIZE, GFP_KERNEL); if (!pdev->cmd_buffer_addr) goto err_out_1; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index 178bb7cff0c1..53cb2f72bdd0 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -494,7 +494,7 @@ static int pcan_usb_pro_drv_loaded(struct peak_usb_device *dev, int loaded) u8 *buffer; int err; - buffer = kmalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL); + buffer = kzalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL); if (!buffer) return -ENOMEM; diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 6b17cd961d06..d0a97eb73a37 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -27,7 +27,6 @@ #include <linux/platform_data/mv88e6xxx.h> #include <linux/netdevice.h> #include <linux/gpio/consumer.h> -#include <linux/phy.h> #include <linux/phylink.h> #include <net/dsa.h> @@ -430,7 +429,7 @@ int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port, int link, return 0; /* Port's MAC control must not be changed unless the link is down */ - err = chip->info->ops->port_set_link(chip, port, 0); + err = chip->info->ops->port_set_link(chip, port, LINK_FORCED_DOWN); if (err) return err; @@ -482,30 +481,6 @@ static int mv88e6xxx_phy_is_internal(struct dsa_switch *ds, int port) return port < chip->info->num_internal_phys; } -/* We expect the switch to perform auto negotiation if there is a real - * phy. However, in the case of a fixed link phy, we force the port - * settings from the fixed link settings. - */ -static void mv88e6xxx_adjust_link(struct dsa_switch *ds, int port, - struct phy_device *phydev) -{ - struct mv88e6xxx_chip *chip = ds->priv; - int err; - - if (!phy_is_pseudo_fixed_link(phydev) && - mv88e6xxx_phy_is_internal(ds, port)) - return; - - mv88e6xxx_reg_lock(chip); - err = mv88e6xxx_port_setup_mac(chip, port, phydev->link, phydev->speed, - phydev->duplex, phydev->pause, - phydev->interface); - mv88e6xxx_reg_unlock(chip); - - if (err && err != -EOPNOTSUPP) - dev_err(ds->dev, "p%d: failed to configure MAC\n", port); -} - static void mv88e6065_phylink_validate(struct mv88e6xxx_chip *chip, int port, unsigned long *mask, struct phylink_link_state *state) @@ -2721,6 +2696,7 @@ static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip, err = mv88e6xxx_mdio_register(chip, child, true); if (err) { mv88e6xxx_mdios_unregister(chip); + of_node_put(child); return err; } } @@ -4638,7 +4614,6 @@ static int mv88e6xxx_port_egress_floods(struct dsa_switch *ds, int port, static const struct dsa_switch_ops mv88e6xxx_switch_ops = { .get_tag_protocol = mv88e6xxx_get_tag_protocol, .setup = mv88e6xxx_setup, - .adjust_link = mv88e6xxx_adjust_link, .phylink_validate = mv88e6xxx_validate, .phylink_mac_link_state = mv88e6xxx_link_state, .phylink_mac_config = mv88e6xxx_mac_config, diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index 232e8cc96f6d..16f15c93a102 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -2,7 +2,7 @@ /* * Copyright (C) 2009 Felix Fietkau <nbd@nbd.name> * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> - * Copyright (c) 2015, The Linux Foundation. All rights reserved. + * Copyright (c) 2015, 2019, The Linux Foundation. All rights reserved. * Copyright (c) 2016 John Crispin <john@phrozen.org> */ @@ -583,8 +583,11 @@ qca8k_setup_mdio_bus(struct qca8k_priv *priv) for_each_available_child_of_node(ports, port) { err = of_property_read_u32(port, "reg", ®); - if (err) + if (err) { + of_node_put(port); + of_node_put(ports); return err; + } if (!dsa_is_user_port(priv->ds, reg)) continue; @@ -595,6 +598,7 @@ qca8k_setup_mdio_bus(struct qca8k_priv *priv) internal_mdio_mask |= BIT(reg); } + of_node_put(ports); if (!external_mdio_mask && !internal_mdio_mask) { dev_err(priv->dev, "no PHYs are defined.\n"); return -EINVAL; @@ -935,6 +939,8 @@ qca8k_port_enable(struct dsa_switch *ds, int port, qca8k_port_set_status(priv, port, 1); priv->port_sts[port].enabled = 1; + phy_support_asym_pause(phy); + return 0; } diff --git a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c index 6bfb1696a6f2..9988c9d18567 100644 --- a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c +++ b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c @@ -277,6 +277,18 @@ sja1105et_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, SJA1105ET_SIZE_L2_LOOKUP_ENTRY, op); } +static size_t sja1105et_dyn_l2_lookup_entry_packing(void *buf, void *entry_ptr, + enum packing_op op) +{ + struct sja1105_l2_lookup_entry *entry = entry_ptr; + u8 *cmd = buf + SJA1105ET_SIZE_L2_LOOKUP_ENTRY; + const int size = SJA1105_SIZE_DYN_CMD; + + sja1105_packing(cmd, &entry->lockeds, 28, 28, size, op); + + return sja1105et_l2_lookup_entry_packing(buf, entry_ptr, op); +} + static void sja1105et_mgmt_route_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, enum packing_op op) @@ -477,7 +489,7 @@ sja1105et_general_params_entry_packing(void *buf, void *entry_ptr, /* SJA1105E/T: First generation */ struct sja1105_dynamic_table_ops sja1105et_dyn_ops[BLK_IDX_MAX_DYN] = { [BLK_IDX_L2_LOOKUP] = { - .entry_packing = sja1105et_l2_lookup_entry_packing, + .entry_packing = sja1105et_dyn_l2_lookup_entry_packing, .cmd_packing = sja1105et_l2_lookup_cmd_packing, .access = (OP_READ | OP_WRITE | OP_DEL), .max_entry_count = SJA1105_MAX_L2_LOOKUP_COUNT, diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 32bf3a7cc3b6..d073baffc20b 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -218,7 +218,7 @@ static int sja1105_init_l2_lookup_params(struct sja1105_private *priv) /* This selects between Independent VLAN Learning (IVL) and * Shared VLAN Learning (SVL) */ - .shared_learn = false, + .shared_learn = true, /* Don't discard management traffic based on ENFPORT - * we don't perform SMAC port enforcement anyway, so * what we are setting here doesn't matter. @@ -625,6 +625,7 @@ static int sja1105_parse_ports_node(struct sja1105_private *priv, if (of_property_read_u32(child, "reg", &index) < 0) { dev_err(dev, "Port number not defined in device tree " "(property \"reg\")\n"); + of_node_put(child); return -ENODEV; } @@ -634,6 +635,7 @@ static int sja1105_parse_ports_node(struct sja1105_private *priv, dev_err(dev, "Failed to read phy-mode or " "phy-interface-type property for port %d\n", index); + of_node_put(child); return -ENODEV; } ports[index].phy_mode = phy_mode; @@ -643,6 +645,7 @@ static int sja1105_parse_ports_node(struct sja1105_private *priv, if (!of_phy_is_fixed_link(child)) { dev_err(dev, "phy-handle or fixed-link " "properties missing!\n"); + of_node_put(child); return -ENODEV; } /* phy-handle is missing, but fixed-link isn't. @@ -1089,8 +1092,13 @@ int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, l2_lookup.vlanid = vid; l2_lookup.iotag = SJA1105_S_TAG; l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0); - l2_lookup.mask_vlanid = VLAN_VID_MASK; - l2_lookup.mask_iotag = BIT(0); + if (dsa_port_is_vlan_filtering(&ds->ports[port])) { + l2_lookup.mask_vlanid = VLAN_VID_MASK; + l2_lookup.mask_iotag = BIT(0); + } else { + l2_lookup.mask_vlanid = 0; + l2_lookup.mask_iotag = 0; + } l2_lookup.destports = BIT(port); rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, @@ -1147,8 +1155,13 @@ int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port, l2_lookup.vlanid = vid; l2_lookup.iotag = SJA1105_S_TAG; l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0); - l2_lookup.mask_vlanid = VLAN_VID_MASK; - l2_lookup.mask_iotag = BIT(0); + if (dsa_port_is_vlan_filtering(&ds->ports[port])) { + l2_lookup.mask_vlanid = VLAN_VID_MASK; + l2_lookup.mask_iotag = BIT(0); + } else { + l2_lookup.mask_vlanid = 0; + l2_lookup.mask_iotag = 0; + } l2_lookup.destports = BIT(port); rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, @@ -1178,60 +1191,31 @@ static int sja1105_fdb_add(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid) { struct sja1105_private *priv = ds->priv; - u16 rx_vid, tx_vid; - int rc, i; - if (dsa_port_is_vlan_filtering(&ds->ports[port])) - return priv->info->fdb_add_cmd(ds, port, addr, vid); - - /* Since we make use of VLANs even when the bridge core doesn't tell us - * to, translate these FDB entries into the correct dsa_8021q ones. - * The basic idea (also repeats for removal below) is: - * - Each of the other front-panel ports needs to be able to forward a - * pvid-tagged (aka tagged with their rx_vid) frame that matches this - * DMAC. - * - The CPU port (aka the tx_vid of this port) needs to be able to - * send a frame matching this DMAC to the specified port. - * For a better picture see net/dsa/tag_8021q.c. + /* dsa_8021q is in effect when the bridge's vlan_filtering isn't, + * so the switch still does some VLAN processing internally. + * But Shared VLAN Learning (SVL) is also active, and it will take + * care of autonomous forwarding between the unique pvid's of each + * port. Here we just make sure that users can't add duplicate FDB + * entries when in this mode - the actual VID doesn't matter except + * for what gets printed in 'bridge fdb show'. In the case of zero, + * no VID gets printed at all. */ - for (i = 0; i < SJA1105_NUM_PORTS; i++) { - if (i == port) - continue; - if (i == dsa_upstream_port(priv->ds, port)) - continue; + if (!dsa_port_is_vlan_filtering(&ds->ports[port])) + vid = 0; - rx_vid = dsa_8021q_rx_vid(ds, i); - rc = priv->info->fdb_add_cmd(ds, port, addr, rx_vid); - if (rc < 0) - return rc; - } - tx_vid = dsa_8021q_tx_vid(ds, port); - return priv->info->fdb_add_cmd(ds, port, addr, tx_vid); + return priv->info->fdb_add_cmd(ds, port, addr, vid); } static int sja1105_fdb_del(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid) { struct sja1105_private *priv = ds->priv; - u16 rx_vid, tx_vid; - int rc, i; - - if (dsa_port_is_vlan_filtering(&ds->ports[port])) - return priv->info->fdb_del_cmd(ds, port, addr, vid); - for (i = 0; i < SJA1105_NUM_PORTS; i++) { - if (i == port) - continue; - if (i == dsa_upstream_port(priv->ds, port)) - continue; + if (!dsa_port_is_vlan_filtering(&ds->ports[port])) + vid = 0; - rx_vid = dsa_8021q_rx_vid(ds, i); - rc = priv->info->fdb_del_cmd(ds, port, addr, rx_vid); - if (rc < 0) - return rc; - } - tx_vid = dsa_8021q_tx_vid(ds, port); - return priv->info->fdb_del_cmd(ds, port, addr, tx_vid); + return priv->info->fdb_del_cmd(ds, port, addr, vid); } static int sja1105_fdb_dump(struct dsa_switch *ds, int port, @@ -1270,39 +1254,9 @@ static int sja1105_fdb_dump(struct dsa_switch *ds, int port, continue; u64_to_ether_addr(l2_lookup.macaddr, macaddr); - /* On SJA1105 E/T, the switch doesn't implement the LOCKEDS - * bit, so it doesn't tell us whether a FDB entry is static - * or not. - * But, of course, we can find out - we're the ones who added - * it in the first place. - */ - if (priv->info->device_id == SJA1105E_DEVICE_ID || - priv->info->device_id == SJA1105T_DEVICE_ID) { - int match; - - match = sja1105_find_static_fdb_entry(priv, port, - &l2_lookup); - l2_lookup.lockeds = (match >= 0); - } - - /* We need to hide the dsa_8021q VLANs from the user. This - * basically means hiding the duplicates and only showing - * the pvid that is supposed to be active in standalone and - * non-vlan_filtering modes (aka 1). - * - For statically added FDB entries (bridge fdb add), we - * can convert the TX VID (coming from the CPU port) into the - * pvid and ignore the RX VIDs of the other ports. - * - For dynamically learned FDB entries, a single entry with - * no duplicates is learned - that which has the real port's - * pvid, aka RX VID. - */ - if (!dsa_port_is_vlan_filtering(&ds->ports[port])) { - if (l2_lookup.vlanid == tx_vid || - l2_lookup.vlanid == rx_vid) - l2_lookup.vlanid = 1; - else - continue; - } + /* We need to hide the dsa_8021q VLANs from the user. */ + if (!dsa_port_is_vlan_filtering(&ds->ports[port])) + l2_lookup.vlanid = 0; cb(macaddr, l2_lookup.vlanid, l2_lookup.lockeds, data); } return 0; @@ -1594,6 +1548,7 @@ static int sja1105_vlan_prepare(struct dsa_switch *ds, int port, */ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled) { + struct sja1105_l2_lookup_params_entry *l2_lookup_params; struct sja1105_general_params_entry *general_params; struct sja1105_private *priv = ds->priv; struct sja1105_table *table; @@ -1622,6 +1577,28 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled) general_params->incl_srcpt1 = enabled; general_params->incl_srcpt0 = enabled; + /* VLAN filtering => independent VLAN learning. + * No VLAN filtering => shared VLAN learning. + * + * In shared VLAN learning mode, untagged traffic still gets + * pvid-tagged, and the FDB table gets populated with entries + * containing the "real" (pvid or from VLAN tag) VLAN ID. + * However the switch performs a masked L2 lookup in the FDB, + * effectively only looking up a frame's DMAC (and not VID) for the + * forwarding decision. + * + * This is extremely convenient for us, because in modes with + * vlan_filtering=0, dsa_8021q actually installs unique pvid's into + * each front panel port. This is good for identification but breaks + * learning badly - the VID of the learnt FDB entry is unique, aka + * no frames coming from any other port are going to have it. So + * for forwarding purposes, this is as though learning was broken + * (all frames get flooded). + */ + table = &priv->static_config.tables[BLK_IDX_L2_LOOKUP_PARAMS]; + l2_lookup_params = table->entries; + l2_lookup_params->shared_learn = !enabled; + rc = sja1105_static_config_reload(priv); if (rc) dev_err(ds->dev, "Failed to change VLAN Ethertype\n"); @@ -1751,6 +1728,8 @@ static void sja1105_teardown(struct dsa_switch *ds) cancel_work_sync(&priv->tagger_data.rxtstamp_work); skb_queue_purge(&priv->tagger_data.skb_rxtstamp_queue); + sja1105_ptp_clock_unregister(priv); + sja1105_static_config_free(&priv->static_config); } static int sja1105_mgmt_xmit(struct dsa_switch *ds, int port, int slot, @@ -2208,9 +2187,7 @@ static int sja1105_remove(struct spi_device *spi) { struct sja1105_private *priv = spi_get_drvdata(spi); - sja1105_ptp_clock_unregister(priv); dsa_unregister_switch(priv->ds); - sja1105_static_config_free(&priv->static_config); return 0; } diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.c b/drivers/net/dsa/sja1105/sja1105_ptp.c index d19cfdf681af..d8e8dd59f3d1 100644 --- a/drivers/net/dsa/sja1105/sja1105_ptp.c +++ b/drivers/net/dsa/sja1105/sja1105_ptp.c @@ -369,16 +369,15 @@ int sja1105_ptp_clock_register(struct sja1105_private *priv) .mult = SJA1105_CC_MULT, }; mutex_init(&priv->ptp_lock); - INIT_DELAYED_WORK(&priv->refresh_work, sja1105_ptp_overflow_check); - - schedule_delayed_work(&priv->refresh_work, SJA1105_REFRESH_INTERVAL); - priv->ptp_caps = sja1105_ptp_caps; priv->clock = ptp_clock_register(&priv->ptp_caps, ds->dev); if (IS_ERR_OR_NULL(priv->clock)) return PTR_ERR(priv->clock); + INIT_DELAYED_WORK(&priv->refresh_work, sja1105_ptp_overflow_check); + schedule_delayed_work(&priv->refresh_work, SJA1105_REFRESH_INTERVAL); + return sja1105_ptp_reset(priv); } diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig index 2a3e2450968e..a9478577b495 100644 --- a/drivers/net/ethernet/8390/Kconfig +++ b/drivers/net/ethernet/8390/Kconfig @@ -12,8 +12,8 @@ config NET_VENDOR_8390 Note that the answer to this question doesn't directly affect the kernel: saying N will just cause the configurator to skip all - the questions about Western Digital cards. If you say Y, you will be - asked for your specific card in the following questions. + the questions about National Semiconductor 8390 cards. If you say Y, + you will be asked for your specific card in the following questions. if NET_VENDOR_8390 diff --git a/drivers/net/ethernet/agere/et131x.c b/drivers/net/ethernet/agere/et131x.c index ea34bcb868b5..edbb4b3604c7 100644 --- a/drivers/net/ethernet/agere/et131x.c +++ b/drivers/net/ethernet/agere/et131x.c @@ -2362,7 +2362,7 @@ static int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) /* Allocate memory for the TCB's (Transmit Control Block) */ tx_ring->tcb_ring = kcalloc(NUM_TCB, sizeof(struct tcb), - GFP_ATOMIC | GFP_DMA); + GFP_KERNEL | GFP_DMA); if (!tx_ring->tcb_ring) return -ENOMEM; diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 3434730a7699..0537df06a9b5 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -860,7 +860,9 @@ static int emac_probe(struct platform_device *pdev) goto out_clk_disable_unprepare; } - db->phy_node = of_parse_phandle(np, "phy", 0); + db->phy_node = of_parse_phandle(np, "phy-handle", 0); + if (!db->phy_node) + db->phy_node = of_parse_phandle(np, "phy", 0); if (!db->phy_node) { dev_err(&pdev->dev, "no associated PHY\n"); ret = -ENODEV; diff --git a/drivers/net/ethernet/amd/Kconfig b/drivers/net/ethernet/amd/Kconfig index de4950d2022e..9f965cdfff5c 100644 --- a/drivers/net/ethernet/amd/Kconfig +++ b/drivers/net/ethernet/amd/Kconfig @@ -14,7 +14,7 @@ config NET_VENDOR_AMD say Y. Note that the answer to this question does not directly affect - the kernel: saying N will just case the configurator to skip all + the kernel: saying N will just cause the configurator to skip all the questions regarding AMD chipsets. If you say Y, you will be asked for your specific chipset/driver in the following questions. diff --git a/drivers/net/ethernet/apple/Kconfig b/drivers/net/ethernet/apple/Kconfig index fde7ae33e302..f78b9c841296 100644 --- a/drivers/net/ethernet/apple/Kconfig +++ b/drivers/net/ethernet/apple/Kconfig @@ -11,8 +11,8 @@ config NET_VENDOR_APPLE If you have a network (Ethernet) card belonging to this class, say Y. Note that the answer to this question doesn't directly affect the - kernel: saying N will just cause the configurator to skip all - the questions about IBM devices. If you say Y, you will be asked for + kernel: saying N will just cause the configurator to skip all the + questions about Apple devices. If you say Y, you will be asked for your specific card in the following questions. if NET_VENDOR_APPLE diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c index 8b69d0d7e726..6703960c7cf5 100644 --- a/drivers/net/ethernet/atheros/ag71xx.c +++ b/drivers/net/ethernet/atheros/ag71xx.c @@ -1141,7 +1141,7 @@ static int ag71xx_rings_init(struct ag71xx *ag) tx->descs_cpu = dma_alloc_coherent(&ag->pdev->dev, ring_size * AG71XX_DESC_SIZE, - &tx->descs_dma, GFP_ATOMIC); + &tx->descs_dma, GFP_KERNEL); if (!tx->descs_cpu) { kfree(tx->buf); tx->buf = NULL; diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index e9017caf024d..e24f5d2b6afe 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -14,9 +14,9 @@ config NET_VENDOR_BROADCOM say Y. Note that the answer to this question does not directly affect - the kernel: saying N will just case the configurator to skip all - the questions regarding AMD chipsets. If you say Y, you will be asked - for your specific chipset/driver in the following questions. + the kernel: saying N will just cause the configurator to skip all + the questions regarding Broadcom chipsets. If you say Y, you will + be asked for your specific chipset/driver in the following questions. if NET_VENDOR_BROADCOM diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index b9c5cea8db16..9483553ce444 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -992,7 +992,7 @@ static int bcm_sysport_poll(struct napi_struct *napi, int budget) { struct bcm_sysport_priv *priv = container_of(napi, struct bcm_sysport_priv, napi); - struct dim_sample dim_sample; + struct dim_sample dim_sample = {}; unsigned int work_done = 0; work_done = bcm_sysport_desc_rx(priv, budget); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index e2be5a685130..e47ea92e2ae3 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -1934,8 +1934,7 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb, } /* select a non-FCoE queue */ - return netdev_pick_tx(dev, skb, NULL) % - (BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos); + return netdev_pick_tx(dev, skb, NULL) % (BNX2X_NUM_ETH_QUEUES(bp)); } void bnx2x_set_num_queues(struct bnx2x *bp) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 7134d2c3eb1c..7070349915bc 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -2136,7 +2136,7 @@ static int bnxt_poll(struct napi_struct *napi, int budget) } } if (bp->flags & BNXT_FLAG_DIM) { - struct dim_sample dim_sample; + struct dim_sample dim_sample = {}; dim_update_sample(cpr->event_ctr, cpr->rx_packets, diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index a2b57807453b..d3a0b614dbfa 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1895,7 +1895,7 @@ static int bcmgenet_rx_poll(struct napi_struct *napi, int budget) { struct bcmgenet_rx_ring *ring = container_of(napi, struct bcmgenet_rx_ring, napi); - struct dim_sample dim_sample; + struct dim_sample dim_sample = {}; unsigned int work_done; work_done = bcmgenet_desc_rx(ring, budget); diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index ad22554857bf..acb016834f04 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -1381,24 +1381,18 @@ static int acpi_get_mac_address(struct device *dev, struct acpi_device *adev, u8 *dst) { u8 mac[ETH_ALEN]; - int ret; + u8 *addr; - ret = fwnode_property_read_u8_array(acpi_fwnode_handle(adev), - "mac-address", mac, ETH_ALEN); - if (ret) - goto out; - - if (!is_valid_ether_addr(mac)) { + addr = fwnode_get_mac_address(acpi_fwnode_handle(adev), mac, ETH_ALEN); + if (!addr) { dev_err(dev, "MAC address invalid: %pM\n", mac); - ret = -EINVAL; - goto out; + return -EINVAL; } dev_info(dev, "MAC address set to: %pM\n", mac); - memcpy(dst, mac, ETH_ALEN); -out: - return ret; + ether_addr_copy(dst, mac); + return 0; } /* Currently only sets the MAC address. */ diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 1e82b9efe447..58f89f6a040f 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -3269,7 +3269,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (!adapter->regs) { dev_err(&pdev->dev, "cannot map device registers\n"); err = -ENOMEM; - goto out_free_adapter; + goto out_free_adapter_nofail; } adapter->pdev = pdev; @@ -3397,6 +3397,9 @@ out_free_dev: if (adapter->port[i]) free_netdev(adapter->port[i]); +out_free_adapter_nofail: + kfree_skb(adapter->nofail_skb); + out_free_adapter: kfree(adapter); diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index ef5d61d57597..323976c811e9 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -550,7 +550,7 @@ int be_process_mcc(struct be_adapter *adapter) int num = 0, status = 0; struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; - spin_lock(&adapter->mcc_cq_lock); + spin_lock_bh(&adapter->mcc_cq_lock); while ((compl = be_mcc_compl_get(adapter))) { if (compl->flags & CQE_FLAGS_ASYNC_MASK) { @@ -566,7 +566,7 @@ int be_process_mcc(struct be_adapter *adapter) if (num) be_cq_notify(adapter, mcc_obj->cq.id, mcc_obj->rearm_cq, num); - spin_unlock(&adapter->mcc_cq_lock); + spin_unlock_bh(&adapter->mcc_cq_lock); return status; } @@ -581,9 +581,7 @@ static int be_mcc_wait_compl(struct be_adapter *adapter) if (be_check_error(adapter, BE_ERROR_ANY)) return -EIO; - local_bh_disable(); status = be_process_mcc(adapter); - local_bh_enable(); if (atomic_read(&mcc_obj->q.used) == 0) break; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 2edb86ec9fe9..4d8e40ac66d2 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5630,9 +5630,7 @@ static void be_worker(struct work_struct *work) * mcc completions */ if (!netif_running(adapter->netdev)) { - local_bh_disable(); be_process_mcc(adapter); - local_bh_enable(); goto reschedule; } diff --git a/drivers/net/ethernet/freescale/enetc/Kconfig b/drivers/net/ethernet/freescale/enetc/Kconfig index ed0d010c7cf2..04a59db03f2b 100644 --- a/drivers/net/ethernet/freescale/enetc/Kconfig +++ b/drivers/net/ethernet/freescale/enetc/Kconfig @@ -2,6 +2,7 @@ config FSL_ENETC tristate "ENETC PF driver" depends on PCI && PCI_MSI && (ARCH_LAYERSCAPE || COMPILE_TEST) + select PHYLIB help This driver supports NXP ENETC gigabit ethernet controller PCIe physical function (PF) devices, managing ENETC Ports at a privileged @@ -12,6 +13,7 @@ config FSL_ENETC config FSL_ENETC_VF tristate "ENETC VF driver" depends on PCI && PCI_MSI && (ARCH_LAYERSCAPE || COMPILE_TEST) + select PHYLIB help This driver supports NXP ENETC gigabit ethernet controller PCIe virtual function (VF) devices enabled by the ENETC PF driver. diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c index e80fedb27cee..210749bf1eac 100644 --- a/drivers/net/ethernet/freescale/fman/fman.c +++ b/drivers/net/ethernet/freescale/fman/fman.c @@ -2439,9 +2439,6 @@ MODULE_PARM_DESC(fsl_fm_rx_extra_headroom, "Extra headroom for Rx buffers"); * buffers when not using jumbo frames. * Must be large enough to accommodate the network MTU, but small enough * to avoid wasting skb memory. - * - * Could be overridden once, at boot-time, via the - * fm_set_max_frm() callback. */ static int fsl_fm_max_frm = FSL_FM_MAX_FRAME_SIZE; module_param(fsl_fm_max_frm, int, 0); diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h index 92372dc43be8..ebc37e256922 100644 --- a/drivers/net/ethernet/google/gve/gve.h +++ b/drivers/net/ethernet/google/gve/gve.h @@ -31,9 +31,6 @@ struct gve_rx_desc_queue { struct gve_rx_desc *desc_ring; /* the descriptor ring */ dma_addr_t bus; /* the bus for the desc_ring */ - u32 cnt; /* free-running total number of completed packets */ - u32 fill_cnt; /* free-running total number of descriptors posted */ - u32 mask; /* masks the cnt to the size of the ring */ u8 seqno; /* the next expected seqno for this desc*/ }; @@ -60,8 +57,6 @@ struct gve_rx_data_queue { dma_addr_t data_bus; /* dma mapping of the slots */ struct gve_rx_slot_page_info *page_info; /* page info of the buffers */ struct gve_queue_page_list *qpl; /* qpl assigned to this queue */ - u32 mask; /* masks the cnt to the size of the ring */ - u32 cnt; /* free-running total number of completed packets */ }; struct gve_priv; @@ -73,6 +68,9 @@ struct gve_rx_ring { struct gve_rx_data_queue data; u64 rbytes; /* free-running bytes received */ u64 rpackets; /* free-running packets received */ + u32 cnt; /* free-running total number of completed packets */ + u32 fill_cnt; /* free-running total number of descs and buffs posted */ + u32 mask; /* masks the cnt and fill_cnt to the size of the ring */ u32 q_num; /* queue index */ u32 ntfy_id; /* notification block index */ struct gve_queue_resources *q_resources; /* head and tail pointer idx */ diff --git a/drivers/net/ethernet/google/gve/gve_ethtool.c b/drivers/net/ethernet/google/gve/gve_ethtool.c index 26540b856541..d8fa816f4473 100644 --- a/drivers/net/ethernet/google/gve/gve_ethtool.c +++ b/drivers/net/ethernet/google/gve/gve_ethtool.c @@ -138,8 +138,8 @@ gve_get_ethtool_stats(struct net_device *netdev, for (ring = 0; ring < priv->rx_cfg.num_queues; ring++) { struct gve_rx_ring *rx = &priv->rx[ring]; - data[i++] = rx->desc.cnt; - data[i++] = rx->desc.fill_cnt; + data[i++] = rx->cnt; + data[i++] = rx->fill_cnt; } } else { i += priv->rx_cfg.num_queues * NUM_GVE_RX_CNTS; diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index 1914b8350da7..59564ac99d2a 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -37,7 +37,7 @@ static void gve_rx_free_ring(struct gve_priv *priv, int idx) rx->data.qpl = NULL; kvfree(rx->data.page_info); - slots = rx->data.mask + 1; + slots = rx->mask + 1; bytes = sizeof(*rx->data.data_ring) * slots; dma_free_coherent(dev, bytes, rx->data.data_ring, rx->data.data_bus); @@ -64,7 +64,7 @@ static int gve_prefill_rx_pages(struct gve_rx_ring *rx) /* Allocate one page per Rx queue slot. Each page is split into two * packet buffers, when possible we "page flip" between the two. */ - slots = rx->data.mask + 1; + slots = rx->mask + 1; rx->data.page_info = kvzalloc(slots * sizeof(*rx->data.page_info), GFP_KERNEL); @@ -111,7 +111,7 @@ static int gve_rx_alloc_ring(struct gve_priv *priv, int idx) rx->q_num = idx; slots = priv->rx_pages_per_qpl; - rx->data.mask = slots - 1; + rx->mask = slots - 1; /* alloc rx data ring */ bytes = sizeof(*rx->data.data_ring) * slots; @@ -125,7 +125,7 @@ static int gve_rx_alloc_ring(struct gve_priv *priv, int idx) err = -ENOMEM; goto abort_with_slots; } - rx->desc.fill_cnt = filled_pages; + rx->fill_cnt = filled_pages; /* Ensure data ring slots (packet buffers) are visible. */ dma_wmb(); @@ -156,8 +156,8 @@ static int gve_rx_alloc_ring(struct gve_priv *priv, int idx) err = -ENOMEM; goto abort_with_q_resources; } - rx->desc.mask = slots - 1; - rx->desc.cnt = 0; + rx->mask = slots - 1; + rx->cnt = 0; rx->desc.seqno = 1; gve_rx_add_to_block(priv, idx); @@ -213,7 +213,7 @@ void gve_rx_write_doorbell(struct gve_priv *priv, struct gve_rx_ring *rx) { u32 db_idx = be32_to_cpu(rx->q_resources->db_index); - iowrite32be(rx->desc.fill_cnt, &priv->db_bar2[db_idx]); + iowrite32be(rx->fill_cnt, &priv->db_bar2[db_idx]); } static enum pkt_hash_types gve_rss_type(__be16 pkt_flags) @@ -273,7 +273,7 @@ static void gve_rx_flip_buff(struct gve_rx_slot_page_info *page_info, } static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, - netdev_features_t feat) + netdev_features_t feat, u32 idx) { struct gve_rx_slot_page_info *page_info; struct gve_priv *priv = rx->gve; @@ -282,14 +282,12 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, struct sk_buff *skb; int pagecount; u16 len; - u32 idx; /* drop this packet */ if (unlikely(rx_desc->flags_seq & GVE_RXF_ERR)) return true; len = be16_to_cpu(rx_desc->len) - GVE_RX_PAD; - idx = rx->data.cnt & rx->data.mask; page_info = &rx->data.page_info[idx]; /* gvnic can only receive into registered segments. If the buffer @@ -340,8 +338,6 @@ have_skb: if (!skb) return true; - rx->data.cnt++; - if (likely(feat & NETIF_F_RXCSUM)) { /* NIC passes up the partial sum */ if (rx_desc->csum) @@ -370,7 +366,7 @@ static bool gve_rx_work_pending(struct gve_rx_ring *rx) __be16 flags_seq; u32 next_idx; - next_idx = rx->desc.cnt & rx->desc.mask; + next_idx = rx->cnt & rx->mask; desc = rx->desc.desc_ring + next_idx; flags_seq = desc->flags_seq; @@ -385,8 +381,8 @@ bool gve_clean_rx_done(struct gve_rx_ring *rx, int budget, { struct gve_priv *priv = rx->gve; struct gve_rx_desc *desc; - u32 cnt = rx->desc.cnt; - u32 idx = cnt & rx->desc.mask; + u32 cnt = rx->cnt; + u32 idx = cnt & rx->mask; u32 work_done = 0; u64 bytes = 0; @@ -401,10 +397,10 @@ bool gve_clean_rx_done(struct gve_rx_ring *rx, int budget, rx->q_num, GVE_SEQNO(desc->flags_seq), rx->desc.seqno); bytes += be16_to_cpu(desc->len) - GVE_RX_PAD; - if (!gve_rx(rx, desc, feat)) + if (!gve_rx(rx, desc, feat, idx)) gve_schedule_reset(priv); cnt++; - idx = cnt & rx->desc.mask; + idx = cnt & rx->mask; desc = rx->desc.desc_ring + idx; rx->desc.seqno = gve_next_seqno(rx->desc.seqno); work_done++; @@ -417,8 +413,8 @@ bool gve_clean_rx_done(struct gve_rx_ring *rx, int budget, rx->rpackets += work_done; rx->rbytes += bytes; u64_stats_update_end(&rx->statss); - rx->desc.cnt = cnt; - rx->desc.fill_cnt += work_done; + rx->cnt = cnt; + rx->fill_cnt += work_done; /* restock desc ring slots */ dma_wmb(); /* Ensure descs are visible before ringing doorbell */ diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index d60452845539..c84167447abe 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -220,6 +220,7 @@ struct hip04_priv { unsigned int reg_inten; struct napi_struct napi; + struct device *dev; struct net_device *ndev; struct tx_desc *tx_desc; @@ -248,7 +249,7 @@ struct hip04_priv { static inline unsigned int tx_count(unsigned int head, unsigned int tail) { - return (head - tail) % (TX_DESC_NUM - 1); + return (head - tail) % TX_DESC_NUM; } static void hip04_config_port(struct net_device *ndev, u32 speed, u32 duplex) @@ -465,7 +466,7 @@ static int hip04_tx_reclaim(struct net_device *ndev, bool force) } if (priv->tx_phys[tx_tail]) { - dma_unmap_single(&ndev->dev, priv->tx_phys[tx_tail], + dma_unmap_single(priv->dev, priv->tx_phys[tx_tail], priv->tx_skb[tx_tail]->len, DMA_TO_DEVICE); priv->tx_phys[tx_tail] = 0; @@ -516,8 +517,8 @@ hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) return NETDEV_TX_BUSY; } - phys = dma_map_single(&ndev->dev, skb->data, skb->len, DMA_TO_DEVICE); - if (dma_mapping_error(&ndev->dev, phys)) { + phys = dma_map_single(priv->dev, skb->data, skb->len, DMA_TO_DEVICE); + if (dma_mapping_error(priv->dev, phys)) { dev_kfree_skb(skb); return NETDEV_TX_OK; } @@ -585,6 +586,9 @@ static int hip04_rx_poll(struct napi_struct *napi, int budget) u16 len; u32 err; + /* clean up tx descriptors */ + tx_remaining = hip04_tx_reclaim(ndev, false); + while (cnt && !last) { buf = priv->rx_buf[priv->rx_head]; skb = build_skb(buf, priv->rx_buf_size); @@ -593,7 +597,7 @@ static int hip04_rx_poll(struct napi_struct *napi, int budget) goto refill; } - dma_unmap_single(&ndev->dev, priv->rx_phys[priv->rx_head], + dma_unmap_single(priv->dev, priv->rx_phys[priv->rx_head], RX_BUF_SIZE, DMA_FROM_DEVICE); priv->rx_phys[priv->rx_head] = 0; @@ -622,9 +626,9 @@ refill: buf = netdev_alloc_frag(priv->rx_buf_size); if (!buf) goto done; - phys = dma_map_single(&ndev->dev, buf, + phys = dma_map_single(priv->dev, buf, RX_BUF_SIZE, DMA_FROM_DEVICE); - if (dma_mapping_error(&ndev->dev, phys)) + if (dma_mapping_error(priv->dev, phys)) goto done; priv->rx_buf[priv->rx_head] = buf; priv->rx_phys[priv->rx_head] = phys; @@ -645,8 +649,7 @@ refill: } napi_complete_done(napi, rx); done: - /* clean up tx descriptors and start a new timer if necessary */ - tx_remaining = hip04_tx_reclaim(ndev, false); + /* start a new timer if necessary */ if (rx < budget && tx_remaining) hip04_start_tx_timer(priv); @@ -728,9 +731,9 @@ static int hip04_mac_open(struct net_device *ndev) for (i = 0; i < RX_DESC_NUM; i++) { dma_addr_t phys; - phys = dma_map_single(&ndev->dev, priv->rx_buf[i], + phys = dma_map_single(priv->dev, priv->rx_buf[i], RX_BUF_SIZE, DMA_FROM_DEVICE); - if (dma_mapping_error(&ndev->dev, phys)) + if (dma_mapping_error(priv->dev, phys)) return -EIO; priv->rx_phys[i] = phys; @@ -764,7 +767,7 @@ static int hip04_mac_stop(struct net_device *ndev) for (i = 0; i < RX_DESC_NUM; i++) { if (priv->rx_phys[i]) { - dma_unmap_single(&ndev->dev, priv->rx_phys[i], + dma_unmap_single(priv->dev, priv->rx_phys[i], RX_BUF_SIZE, DMA_FROM_DEVICE); priv->rx_phys[i] = 0; } @@ -907,6 +910,7 @@ static int hip04_mac_probe(struct platform_device *pdev) return -ENOMEM; priv = netdev_priv(ndev); + priv->dev = d; priv->ndev = ndev; platform_set_drvdata(pdev, ndev); SET_NETDEV_DEV(ndev, &pdev->dev); diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 4138a8480347..cca71ba7a74a 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -3251,7 +3251,7 @@ static int ehea_mem_notifier(struct notifier_block *nb, switch (action) { case MEM_CANCEL_OFFLINE: pr_info("memory offlining canceled"); - /* Fall through: re-add canceled memory block */ + /* Fall through - re-add canceled memory block */ case MEM_ONLINE: pr_info("memory is going online"); diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c index f660cc2b8258..0b9e851f3da4 100644 --- a/drivers/net/ethernet/marvell/mvmdio.c +++ b/drivers/net/ethernet/marvell/mvmdio.c @@ -319,20 +319,33 @@ static int orion_mdio_probe(struct platform_device *pdev) init_waitqueue_head(&dev->smi_busy_wait); - for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { - dev->clk[i] = of_clk_get(pdev->dev.of_node, i); - if (PTR_ERR(dev->clk[i]) == -EPROBE_DEFER) { + if (pdev->dev.of_node) { + for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { + dev->clk[i] = of_clk_get(pdev->dev.of_node, i); + if (PTR_ERR(dev->clk[i]) == -EPROBE_DEFER) { + ret = -EPROBE_DEFER; + goto out_clk; + } + if (IS_ERR(dev->clk[i])) + break; + clk_prepare_enable(dev->clk[i]); + } + + if (!IS_ERR(of_clk_get(pdev->dev.of_node, + ARRAY_SIZE(dev->clk)))) + dev_warn(&pdev->dev, + "unsupported number of clocks, limiting to the first " + __stringify(ARRAY_SIZE(dev->clk)) "\n"); + } else { + dev->clk[0] = clk_get(&pdev->dev, NULL); + if (PTR_ERR(dev->clk[0]) == -EPROBE_DEFER) { ret = -EPROBE_DEFER; goto out_clk; } - if (IS_ERR(dev->clk[i])) - break; - clk_prepare_enable(dev->clk[i]); + if (!IS_ERR(dev->clk[0])) + clk_prepare_enable(dev->clk[0]); } - if (!IS_ERR(of_clk_get(pdev->dev.of_node, ARRAY_SIZE(dev->clk)))) - dev_warn(&pdev->dev, "unsupported number of clocks, limiting to the first " - __stringify(ARRAY_SIZE(dev->clk)) "\n"); dev->err_interrupt = platform_get_irq(pdev, 0); if (dev->err_interrupt > 0 && diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index c51f1d5b550b..ccdd47f3b8fb 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -811,6 +811,26 @@ static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port) return 0; } +static void mvpp2_set_hw_csum(struct mvpp2_port *port, + enum mvpp2_bm_pool_log_num new_long_pool) +{ + const netdev_features_t csums = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + + /* Update L4 checksum when jumbo enable/disable on port. + * Only port 0 supports hardware checksum offload due to + * the Tx FIFO size limitation. + * Also, don't set NETIF_F_HW_CSUM because L3_offset in TX descriptor + * has 7 bits, so the maximum L3 offset is 128. + */ + if (new_long_pool == MVPP2_BM_JUMBO && port->id != 0) { + port->dev->features &= ~csums; + port->dev->hw_features &= ~csums; + } else { + port->dev->features |= csums; + port->dev->hw_features |= csums; + } +} + static int mvpp2_bm_update_mtu(struct net_device *dev, int mtu) { struct mvpp2_port *port = netdev_priv(dev); @@ -843,15 +863,7 @@ static int mvpp2_bm_update_mtu(struct net_device *dev, int mtu) /* Add port to new short & long pool */ mvpp2_swf_bm_pool_init(port); - /* Update L4 checksum when jumbo enable/disable on port */ - if (new_long_pool == MVPP2_BM_JUMBO && port->id != 0) { - dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - dev->hw_features &= ~(NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM); - } else { - dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - } + mvpp2_set_hw_csum(port, new_long_pool); } dev->mtu = mtu; @@ -3700,6 +3712,7 @@ static int mvpp2_set_mac_address(struct net_device *dev, void *p) static int mvpp2_change_mtu(struct net_device *dev, int mtu) { struct mvpp2_port *port = netdev_priv(dev); + bool running = netif_running(dev); int err; if (!IS_ALIGNED(MVPP2_RX_PKT_SIZE(mtu), 8)) { @@ -3708,40 +3721,24 @@ static int mvpp2_change_mtu(struct net_device *dev, int mtu) mtu = ALIGN(MVPP2_RX_PKT_SIZE(mtu), 8); } - if (!netif_running(dev)) { - err = mvpp2_bm_update_mtu(dev, mtu); - if (!err) { - port->pkt_size = MVPP2_RX_PKT_SIZE(mtu); - return 0; - } - - /* Reconfigure BM to the original MTU */ - err = mvpp2_bm_update_mtu(dev, dev->mtu); - if (err) - goto log_error; - } - - mvpp2_stop_dev(port); + if (running) + mvpp2_stop_dev(port); err = mvpp2_bm_update_mtu(dev, mtu); - if (!err) { + if (err) { + netdev_err(dev, "failed to change MTU\n"); + /* Reconfigure BM to the original MTU */ + mvpp2_bm_update_mtu(dev, dev->mtu); + } else { port->pkt_size = MVPP2_RX_PKT_SIZE(mtu); - goto out_start; } - /* Reconfigure BM to the original MTU */ - err = mvpp2_bm_update_mtu(dev, dev->mtu); - if (err) - goto log_error; - -out_start: - mvpp2_start_dev(port); - mvpp2_egress_enable(port); - mvpp2_ingress_enable(port); + if (running) { + mvpp2_start_dev(port); + mvpp2_egress_enable(port); + mvpp2_ingress_enable(port); + } - return 0; -log_error: - netdev_err(dev, "failed to change MTU\n"); return err; } @@ -4739,9 +4736,9 @@ static void mvpp2_xlg_config(struct mvpp2_port *port, unsigned int mode, else ctrl0 &= ~MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN; - ctrl4 &= ~MVPP22_XLG_CTRL4_MACMODSELECT_GMAC; - ctrl4 |= MVPP22_XLG_CTRL4_FWD_FC | MVPP22_XLG_CTRL4_FWD_PFC | - MVPP22_XLG_CTRL4_EN_IDLE_CHECK; + ctrl4 &= ~(MVPP22_XLG_CTRL4_MACMODSELECT_GMAC | + MVPP22_XLG_CTRL4_EN_IDLE_CHECK); + ctrl4 |= MVPP22_XLG_CTRL4_FWD_FC | MVPP22_XLG_CTRL4_FWD_PFC; if (old_ctrl0 != ctrl0) writel(ctrl0, port->base + MVPP22_XLG_CTRL0_REG); @@ -5208,10 +5205,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, dev->features |= NETIF_F_NTUPLE; } - if (port->pool_long->id == MVPP2_BM_JUMBO && port->id != 0) { - dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - dev->hw_features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - } + mvpp2_set_hw_csum(port, port->pool_long->id); dev->vlan_features |= features; dev->gso_max_segs = MVPP2_MAX_TSO_SEGS; @@ -5759,9 +5753,6 @@ static int mvpp2_remove(struct platform_device *pdev) mvpp2_dbgfs_cleanup(priv); - flush_workqueue(priv->stats_queue); - destroy_workqueue(priv->stats_queue); - fwnode_for_each_available_child_node(fwnode, port_fwnode) { if (priv->port_list[i]) { mutex_destroy(&priv->port_list[i]->gather_stats_lock); @@ -5770,6 +5761,8 @@ static int mvpp2_remove(struct platform_device *pdev) i++; } + destroy_workqueue(priv->stats_queue); + for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) { struct mvpp2_bm_pool *bm_pool = &priv->bm_pools[i]; diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index f518312ffe69..a01c75ede871 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -4924,6 +4924,13 @@ static const struct dmi_system_id msi_blacklist[] = { DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"), }, }, + { + .ident = "ASUS P6T", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "P6T"), + }, + }, {} }; diff --git a/drivers/net/ethernet/mediatek/Kconfig b/drivers/net/ethernet/mediatek/Kconfig index 263cd0909fe0..1f7fff81f24d 100644 --- a/drivers/net/ethernet/mediatek/Kconfig +++ b/drivers/net/ethernet/mediatek/Kconfig @@ -9,7 +9,6 @@ if NET_VENDOR_MEDIATEK config NET_MEDIATEK_SOC tristate "MediaTek SoC Gigabit Ethernet support" - depends on NET_VENDOR_MEDIATEK select PHYLIB ---help--- This driver supports the gigabit ethernet MACs in the diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c index 5bb6a26ea267..50862275544e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c @@ -213,7 +213,7 @@ void mlx5_unregister_device(struct mlx5_core_dev *dev) struct mlx5_interface *intf; mutex_lock(&mlx5_intf_mutex); - list_for_each_entry(intf, &intf_list, list) + list_for_each_entry_reverse(intf, &intf_list, list) mlx5_remove_device(intf, priv); list_del(&priv->dev_list); mutex_unlock(&mlx5_intf_mutex); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 79d93d6c7d7a..ce1be2a84231 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -159,7 +159,7 @@ do { \ enum mlx5e_rq_group { MLX5E_RQ_GROUP_REGULAR, MLX5E_RQ_GROUP_XSK, - MLX5E_NUM_RQ_GROUPS /* Keep last. */ +#define MLX5E_NUM_RQ_GROUPS(g) (1 + MLX5E_RQ_GROUP_##g) }; static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size) @@ -182,14 +182,6 @@ static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev) min_t(int, mlx5_comp_vectors_count(mdev), MLX5E_MAX_NUM_CHANNELS); } -/* Use this function to get max num channels after netdev was created */ -static inline int mlx5e_get_netdev_max_channels(struct net_device *netdev) -{ - return min_t(unsigned int, - netdev->num_rx_queues / MLX5E_NUM_RQ_GROUPS, - netdev->num_tx_queues); -} - struct mlx5e_tx_wqe { struct mlx5_wqe_ctrl_seg ctrl; struct mlx5_wqe_eth_seg eth; @@ -830,6 +822,7 @@ struct mlx5e_priv { struct net_device *netdev; struct mlx5e_stats stats; struct mlx5e_channel_stats channel_stats[MLX5E_MAX_NUM_CHANNELS]; + u16 max_nch; u8 max_opened_tc; struct hwtstamp_config tstamp; u16 q_counter; @@ -871,6 +864,7 @@ struct mlx5e_profile { mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe; } rx_handlers; int max_tc; + u8 rq_groups; }; void mlx5e_build_ptys2ethtool_map(void); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.h b/drivers/net/ethernet/mellanox/mlx5/core/en/params.h index bd882b5ee9a7..3a615d663d84 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.h @@ -66,9 +66,10 @@ static inline void mlx5e_qid_get_ch_and_group(struct mlx5e_params *params, *group = qid / nch; } -static inline bool mlx5e_qid_validate(struct mlx5e_params *params, u64 qid) +static inline bool mlx5e_qid_validate(const struct mlx5e_profile *profile, + struct mlx5e_params *params, u64 qid) { - return qid < params->num_channels * MLX5E_NUM_RQ_GROUPS; + return qid < params->num_channels * profile->rq_groups; } /* Parameter calculations */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c index d5e5afbdca6d..f777994f3005 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c @@ -78,9 +78,10 @@ static const u32 mlx5e_ext_link_speed[MLX5E_EXT_LINK_MODES_NUMBER] = { }; static void mlx5e_port_get_speed_arr(struct mlx5_core_dev *mdev, - const u32 **arr, u32 *size) + const u32 **arr, u32 *size, + bool force_legacy) { - bool ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); + bool ext = force_legacy ? false : MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); *size = ext ? ARRAY_SIZE(mlx5e_ext_link_speed) : ARRAY_SIZE(mlx5e_link_speed); @@ -152,7 +153,8 @@ int mlx5_port_set_eth_ptys(struct mlx5_core_dev *dev, bool an_disable, sizeof(out), MLX5_REG_PTYS, 0, 1); } -u32 mlx5e_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper) +u32 mlx5e_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper, + bool force_legacy) { unsigned long temp = eth_proto_oper; const u32 *table; @@ -160,7 +162,7 @@ u32 mlx5e_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper) u32 max_size; int i; - mlx5e_port_get_speed_arr(mdev, &table, &max_size); + mlx5e_port_get_speed_arr(mdev, &table, &max_size, force_legacy); i = find_first_bit(&temp, max_size); if (i < max_size) speed = table[i]; @@ -170,6 +172,7 @@ u32 mlx5e_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper) int mlx5e_port_linkspeed(struct mlx5_core_dev *mdev, u32 *speed) { struct mlx5e_port_eth_proto eproto; + bool force_legacy = false; bool ext; int err; @@ -177,8 +180,13 @@ int mlx5e_port_linkspeed(struct mlx5_core_dev *mdev, u32 *speed) err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto); if (err) goto out; - - *speed = mlx5e_port_ptys2speed(mdev, eproto.oper); + if (ext && !eproto.admin) { + force_legacy = true; + err = mlx5_port_query_eth_proto(mdev, 1, false, &eproto); + if (err) + goto out; + } + *speed = mlx5e_port_ptys2speed(mdev, eproto.oper, force_legacy); if (!(*speed)) err = -EINVAL; @@ -201,7 +209,7 @@ int mlx5e_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed) if (err) return err; - mlx5e_port_get_speed_arr(mdev, &table, &max_size); + mlx5e_port_get_speed_arr(mdev, &table, &max_size, false); for (i = 0; i < max_size; ++i) if (eproto.cap & MLX5E_PROT_MASK(i)) max_speed = max(max_speed, table[i]); @@ -210,14 +218,15 @@ int mlx5e_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed) return 0; } -u32 mlx5e_port_speed2linkmodes(struct mlx5_core_dev *mdev, u32 speed) +u32 mlx5e_port_speed2linkmodes(struct mlx5_core_dev *mdev, u32 speed, + bool force_legacy) { u32 link_modes = 0; const u32 *table; u32 max_size; int i; - mlx5e_port_get_speed_arr(mdev, &table, &max_size); + mlx5e_port_get_speed_arr(mdev, &table, &max_size, force_legacy); for (i = 0; i < max_size; ++i) { if (table[i] == speed) link_modes |= MLX5E_PROT_MASK(i); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.h b/drivers/net/ethernet/mellanox/mlx5/core/en/port.h index 70f536ec51c4..4a7f4497692b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.h @@ -48,10 +48,12 @@ void mlx5_port_query_eth_autoneg(struct mlx5_core_dev *dev, u8 *an_status, u8 *an_disable_cap, u8 *an_disable_admin); int mlx5_port_set_eth_ptys(struct mlx5_core_dev *dev, bool an_disable, u32 proto_admin, bool ext); -u32 mlx5e_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper); +u32 mlx5e_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper, + bool force_legacy); int mlx5e_port_linkspeed(struct mlx5_core_dev *mdev, u32 *speed); int mlx5e_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed); -u32 mlx5e_port_speed2linkmodes(struct mlx5_core_dev *mdev, u32 speed); +u32 mlx5e_port_speed2linkmodes(struct mlx5_core_dev *mdev, u32 speed, + bool force_legacy); int mlx5e_port_query_pbmc(struct mlx5_core_dev *mdev, void *out); int mlx5e_port_set_pbmc(struct mlx5_core_dev *mdev, void *in); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c index ea032f54197e..3766545ce259 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c @@ -412,7 +412,7 @@ struct sk_buff *mlx5e_ktls_handle_tx_skb(struct net_device *netdev, goto out; tls_ctx = tls_get_ctx(skb->sk); - if (unlikely(tls_ctx->netdev != netdev)) + if (unlikely(WARN_ON_ONCE(tls_ctx->netdev != netdev))) goto err_out; priv_tx = mlx5e_get_ktls_tx_priv_ctx(tls_ctx); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 126ec4181286..03bed714bac3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -391,7 +391,7 @@ void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv, { mutex_lock(&priv->state_lock); - ch->max_combined = mlx5e_get_netdev_max_channels(priv->netdev); + ch->max_combined = priv->max_nch; ch->combined_count = priv->channels.params.num_channels; if (priv->xsk.refcnt) { /* The upper half are XSK queues. */ @@ -785,7 +785,7 @@ static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings } static void get_speed_duplex(struct net_device *netdev, - u32 eth_proto_oper, + u32 eth_proto_oper, bool force_legacy, struct ethtool_link_ksettings *link_ksettings) { struct mlx5e_priv *priv = netdev_priv(netdev); @@ -795,7 +795,7 @@ static void get_speed_duplex(struct net_device *netdev, if (!netif_carrier_ok(netdev)) goto out; - speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper); + speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy); if (!speed) { speed = SPEED_UNKNOWN; goto out; @@ -914,8 +914,8 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, /* Fields: eth_proto_admin and ext_eth_proto_admin are * mutually exclusive. Hence try reading legacy advertising * when extended advertising is zero. - * admin_ext indicates how eth_proto_admin should be - * interpreted + * admin_ext indicates which proto_admin (ext vs. legacy) + * should be read and interpreted */ admin_ext = ext; if (ext && !eth_proto_admin) { @@ -924,7 +924,7 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, admin_ext = false; } - eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, + eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext, eth_proto_oper); eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise); an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin); @@ -939,7 +939,8 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, get_supported(mdev, eth_proto_cap, link_ksettings); get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings, admin_ext); - get_speed_duplex(priv->netdev, eth_proto_oper, link_ksettings); + get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext, + link_ksettings); eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap; @@ -1016,45 +1017,69 @@ static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes) return ptys_modes; } +static bool ext_link_mode_requested(const unsigned long *adver) +{ +#define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT + int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT; + __ETHTOOL_DECLARE_LINK_MODE_MASK(modes); + + bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size); + return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS); +} + +static bool ext_speed_requested(u32 speed) +{ +#define MLX5E_MAX_PTYS_LEGACY_SPEED 100000 + return !!(speed > MLX5E_MAX_PTYS_LEGACY_SPEED); +} + +static bool ext_requested(u8 autoneg, const unsigned long *adver, u32 speed) +{ + bool ext_link_mode = ext_link_mode_requested(adver); + bool ext_speed = ext_speed_requested(speed); + + return autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_speed; +} + int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, const struct ethtool_link_ksettings *link_ksettings) { struct mlx5_core_dev *mdev = priv->mdev; struct mlx5e_port_eth_proto eproto; + const unsigned long *adver; bool an_changes = false; u8 an_disable_admin; bool ext_supported; - bool ext_requested; u8 an_disable_cap; bool an_disable; u32 link_modes; u8 an_status; + u8 autoneg; u32 speed; + bool ext; int err; u32 (*ethtool2ptys_adver_func)(const unsigned long *adver); -#define MLX5E_PTYS_EXT ((1ULL << ETHTOOL_LINK_MODE_50000baseKR_Full_BIT) - 1) + adver = link_ksettings->link_modes.advertising; + autoneg = link_ksettings->base.autoneg; + speed = link_ksettings->base.speed; - ext_requested = !!(link_ksettings->link_modes.advertising[0] > - MLX5E_PTYS_EXT || - link_ksettings->link_modes.advertising[1]); + ext = ext_requested(autoneg, adver, speed), ext_supported = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); - ext_requested &= ext_supported; + if (!ext_supported && ext) + return -EOPNOTSUPP; - speed = link_ksettings->base.speed; - ethtool2ptys_adver_func = ext_requested ? - mlx5e_ethtool2ptys_ext_adver_link : + ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link : mlx5e_ethtool2ptys_adver_link; - err = mlx5_port_query_eth_proto(mdev, 1, ext_requested, &eproto); + err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto); if (err) { netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n", __func__, err); goto out; } - link_modes = link_ksettings->base.autoneg == AUTONEG_ENABLE ? - ethtool2ptys_adver_func(link_ksettings->link_modes.advertising) : - mlx5e_port_speed2linkmodes(mdev, speed); + link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) : + mlx5e_port_speed2linkmodes(mdev, speed, !ext); link_modes = link_modes & eproto.cap; if (!link_modes) { @@ -1067,14 +1092,14 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap, &an_disable_admin); - an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE; + an_disable = autoneg == AUTONEG_DISABLE; an_changes = ((!an_disable && an_disable_admin) || (an_disable && !an_disable_admin)); if (!an_changes && link_modes == eproto.admin) goto out; - mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext_requested); + mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext); mlx5_toggle_port_link(mdev); out: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c index ea3a490b569a..94304abc49e9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c @@ -611,7 +611,8 @@ static int validate_flow(struct mlx5e_priv *priv, return -ENOSPC; if (fs->ring_cookie != RX_CLS_FLOW_DISC) - if (!mlx5e_qid_validate(&priv->channels.params, fs->ring_cookie)) + if (!mlx5e_qid_validate(priv->profile, &priv->channels.params, + fs->ring_cookie)) return -EINVAL; switch (fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 47eea6b3a1c3..6c712c5be4d8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -331,12 +331,11 @@ static inline u64 mlx5e_get_mpwqe_offset(struct mlx5e_rq *rq, u16 wqe_ix) static void mlx5e_init_frags_partition(struct mlx5e_rq *rq) { - struct mlx5e_wqe_frag_info next_frag, *prev; + struct mlx5e_wqe_frag_info next_frag = {}; + struct mlx5e_wqe_frag_info *prev = NULL; int i; next_frag.di = &rq->wqe.di[0]; - next_frag.offset = 0; - prev = NULL; for (i = 0; i < mlx5_wq_cyc_get_size(&rq->wqe.wq); i++) { struct mlx5e_rq_frag_info *frag_info = &rq->wqe.info.arr[0]; @@ -1677,10 +1676,10 @@ static int mlx5e_open_sqs(struct mlx5e_channel *c, struct mlx5e_channel_param *cparam) { struct mlx5e_priv *priv = c->priv; - int err, tc, max_nch = mlx5e_get_netdev_max_channels(priv->netdev); + int err, tc; for (tc = 0; tc < params->num_tc; tc++) { - int txq_ix = c->ix + tc * max_nch; + int txq_ix = c->ix + tc * priv->max_nch; err = mlx5e_open_txqsq(c, c->priv->tisn[tc], txq_ix, params, &cparam->sq, &c->sq[tc], tc); @@ -2438,11 +2437,10 @@ int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv) int mlx5e_create_direct_rqts(struct mlx5e_priv *priv, struct mlx5e_tir *tirs) { - const int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); int err; int ix; - for (ix = 0; ix < max_nch; ix++) { + for (ix = 0; ix < priv->max_nch; ix++) { err = mlx5e_create_rqt(priv, 1 /*size */, &tirs[ix].rqt); if (unlikely(err)) goto err_destroy_rqts; @@ -2460,10 +2458,9 @@ err_destroy_rqts: void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv, struct mlx5e_tir *tirs) { - const int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); int i; - for (i = 0; i < max_nch; i++) + for (i = 0; i < priv->max_nch; i++) mlx5e_destroy_rqt(priv, &tirs[i].rqt); } @@ -2557,7 +2554,7 @@ static void mlx5e_redirect_rqts(struct mlx5e_priv *priv, mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp); } - for (ix = 0; ix < mlx5e_get_netdev_max_channels(priv->netdev); ix++) { + for (ix = 0; ix < priv->max_nch; ix++) { struct mlx5e_redirect_rqt_param direct_rrp = { .is_rss = false, { @@ -2758,7 +2755,7 @@ static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv) goto free_in; } - for (ix = 0; ix < mlx5e_get_netdev_max_channels(priv->netdev); ix++) { + for (ix = 0; ix < priv->max_nch; ix++) { err = mlx5_core_modify_tir(mdev, priv->direct_tir[ix].tirn, in, inlen); if (err) @@ -2858,12 +2855,11 @@ static void mlx5e_netdev_set_tcs(struct net_device *netdev) static void mlx5e_build_tc2txq_maps(struct mlx5e_priv *priv) { - int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); int i, tc; - for (i = 0; i < max_nch; i++) + for (i = 0; i < priv->max_nch; i++) for (tc = 0; tc < priv->profile->max_tc; tc++) - priv->channel_tc2txq[i][tc] = i + tc * max_nch; + priv->channel_tc2txq[i][tc] = i + tc * priv->max_nch; } static void mlx5e_build_tx2sq_maps(struct mlx5e_priv *priv) @@ -2884,7 +2880,7 @@ static void mlx5e_build_tx2sq_maps(struct mlx5e_priv *priv) void mlx5e_activate_priv_channels(struct mlx5e_priv *priv) { int num_txqs = priv->channels.num * priv->channels.params.num_tc; - int num_rxqs = priv->channels.num * MLX5E_NUM_RQ_GROUPS; + int num_rxqs = priv->channels.num * priv->profile->rq_groups; struct net_device *netdev = priv->netdev; mlx5e_netdev_set_tcs(netdev); @@ -3306,7 +3302,6 @@ err_destroy_inner_tirs: int mlx5e_create_direct_tirs(struct mlx5e_priv *priv, struct mlx5e_tir *tirs) { - const int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); struct mlx5e_tir *tir; void *tirc; int inlen; @@ -3319,7 +3314,7 @@ int mlx5e_create_direct_tirs(struct mlx5e_priv *priv, struct mlx5e_tir *tirs) if (!in) return -ENOMEM; - for (ix = 0; ix < max_nch; ix++) { + for (ix = 0; ix < priv->max_nch; ix++) { memset(in, 0, inlen); tir = &tirs[ix]; tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); @@ -3358,10 +3353,9 @@ void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc) void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv, struct mlx5e_tir *tirs) { - const int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); int i; - for (i = 0; i < max_nch; i++) + for (i = 0; i < priv->max_nch; i++) mlx5e_destroy_tir(priv->mdev, &tirs[i]); } @@ -3487,7 +3481,7 @@ void mlx5e_fold_sw_stats64(struct mlx5e_priv *priv, struct rtnl_link_stats64 *s) { int i; - for (i = 0; i < mlx5e_get_netdev_max_channels(priv->netdev); i++) { + for (i = 0; i < priv->max_nch; i++) { struct mlx5e_channel_stats *channel_stats = &priv->channel_stats[i]; struct mlx5e_rq_stats *xskrq_stats = &channel_stats->xskrq; struct mlx5e_rq_stats *rq_stats = &channel_stats->rq; @@ -4960,8 +4954,7 @@ static int mlx5e_nic_init(struct mlx5_core_dev *mdev, return err; mlx5e_build_nic_params(mdev, &priv->xsk, rss, &priv->channels.params, - mlx5e_get_netdev_max_channels(netdev), - netdev->mtu); + priv->max_nch, netdev->mtu); mlx5e_timestamp_init(priv); @@ -5164,6 +5157,7 @@ static const struct mlx5e_profile mlx5e_nic_profile = { .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe, .rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq, .max_tc = MLX5E_MAX_NUM_TC, + .rq_groups = MLX5E_NUM_RQ_GROUPS(XSK), }; /* mlx5e generic netdev management API (move to en_common.c) */ @@ -5181,6 +5175,7 @@ int mlx5e_netdev_init(struct net_device *netdev, priv->profile = profile; priv->ppriv = ppriv; priv->msglevel = MLX5E_MSG_LEVEL; + priv->max_nch = netdev->num_rx_queues / max_t(u8, profile->rq_groups, 1); priv->max_opened_tc = 1; mutex_init(&priv->state_lock); @@ -5218,7 +5213,7 @@ struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev, netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), nch * profile->max_tc, - nch * MLX5E_NUM_RQ_GROUPS); + nch * profile->rq_groups); if (!netdev) { mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n"); return NULL; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 7f747cb1a4f4..d0684fdb69e1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -1701,6 +1701,7 @@ static const struct mlx5e_profile mlx5e_rep_profile = { .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep, .rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq, .max_tc = 1, + .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR), }; static const struct mlx5e_profile mlx5e_uplink_rep_profile = { @@ -1718,6 +1719,7 @@ static const struct mlx5e_profile mlx5e_uplink_rep_profile = { .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep, .rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq, .max_tc = MLX5E_MAX_NUM_TC, + .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR), }; static bool diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index 539b4d3656da..57f9f346d213 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -172,7 +172,7 @@ static void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv) memset(s, 0, sizeof(*s)); - for (i = 0; i < mlx5e_get_netdev_max_channels(priv->netdev); i++) { + for (i = 0; i < priv->max_nch; i++) { struct mlx5e_channel_stats *channel_stats = &priv->channel_stats[i]; struct mlx5e_xdpsq_stats *xdpsq_red_stats = &channel_stats->xdpsq; @@ -1395,7 +1395,7 @@ static const struct counter_desc ch_stats_desc[] = { static int mlx5e_grp_channels_get_num_stats(struct mlx5e_priv *priv) { - int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); + int max_nch = priv->max_nch; return (NUM_RQ_STATS * max_nch) + (NUM_CH_STATS * max_nch) + @@ -1409,8 +1409,8 @@ static int mlx5e_grp_channels_get_num_stats(struct mlx5e_priv *priv) static int mlx5e_grp_channels_fill_strings(struct mlx5e_priv *priv, u8 *data, int idx) { - int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); bool is_xsk = priv->xsk.ever_used; + int max_nch = priv->max_nch; int i, j, tc; for (i = 0; i < max_nch; i++) @@ -1452,8 +1452,8 @@ static int mlx5e_grp_channels_fill_strings(struct mlx5e_priv *priv, u8 *data, static int mlx5e_grp_channels_fill_stats(struct mlx5e_priv *priv, u64 *data, int idx) { - int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); bool is_xsk = priv->xsk.ever_used; + int max_nch = priv->max_nch; int i, j, tc; for (i = 0; i < max_nch; i++) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index cc096f6011d9..7ecfc53cf5f6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -1230,13 +1230,13 @@ static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) { struct mlx5e_neigh *m_neigh = &nhe->m_neigh; - u64 bytes, packets, lastuse = 0; struct mlx5e_tc_flow *flow; struct mlx5e_encap_entry *e; struct mlx5_fc *counter; struct neigh_table *tbl; bool neigh_used = false; struct neighbour *n; + u64 lastuse; if (m_neigh->family == AF_INET) tbl = &arp_tbl; @@ -1256,7 +1256,7 @@ void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) encaps[efi->index]); if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { counter = mlx5e_tc_get_counter(flow); - mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); + lastuse = mlx5_fc_query_lastuse(counter); if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { neigh_used = true; break; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c index c50b6f0769c8..49b06b256c92 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c @@ -49,7 +49,7 @@ static inline bool mlx5e_channel_no_affinity_change(struct mlx5e_channel *c) static void mlx5e_handle_tx_dim(struct mlx5e_txqsq *sq) { struct mlx5e_sq_stats *stats = sq->stats; - struct dim_sample dim_sample; + struct dim_sample dim_sample = {}; if (unlikely(!test_bit(MLX5E_SQ_STATE_AM, &sq->state))) return; @@ -61,7 +61,7 @@ static void mlx5e_handle_tx_dim(struct mlx5e_txqsq *sq) static void mlx5e_handle_rx_dim(struct mlx5e_rq *rq) { struct mlx5e_rq_stats *stats = rq->stats; - struct dim_sample dim_sample; + struct dim_sample dim_sample = {}; if (unlikely(!test_bit(MLX5E_RQ_STATE_AM, &rq->state))) return; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h index c48c382f926f..c1252d6be0ef 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h @@ -68,7 +68,7 @@ enum fs_flow_table_type { FS_FT_SNIFFER_RX = 0X5, FS_FT_SNIFFER_TX = 0X6, FS_FT_RDMA_RX = 0X7, - FS_FT_MAX_TYPE = FS_FT_SNIFFER_TX, + FS_FT_MAX_TYPE = FS_FT_RDMA_RX, }; enum fs_flow_table_op_mod { @@ -275,7 +275,8 @@ void mlx5_cleanup_fs(struct mlx5_core_dev *dev); (type == FS_FT_FDB) ? MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, cap) : \ (type == FS_FT_SNIFFER_RX) ? MLX5_CAP_FLOWTABLE_SNIFFER_RX(mdev, cap) : \ (type == FS_FT_SNIFFER_TX) ? MLX5_CAP_FLOWTABLE_SNIFFER_TX(mdev, cap) : \ - (BUILD_BUG_ON_ZERO(FS_FT_SNIFFER_TX != FS_FT_MAX_TYPE))\ + (type == FS_FT_RDMA_RX) ? MLX5_CAP_FLOWTABLE_RDMA_RX(mdev, cap) : \ + (BUILD_BUG_ON_ZERO(FS_FT_RDMA_RX != FS_FT_MAX_TYPE))\ ) #endif diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c index b3762123a69c..1834d9f3aa1c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c @@ -369,6 +369,11 @@ int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, } EXPORT_SYMBOL(mlx5_fc_query); +u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter) +{ + return counter->cache.lastuse; +} + void mlx5_fc_query_cached(struct mlx5_fc *counter, u64 *bytes, u64 *packets, u64 *lastuse) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c index 6bfaaab362dc..1a2560e3bf7c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c @@ -88,8 +88,7 @@ int mlx5i_init(struct mlx5_core_dev *mdev, netdev->mtu = netdev->max_mtu; mlx5e_build_nic_params(mdev, NULL, &priv->rss_params, &priv->channels.params, - mlx5e_get_netdev_max_channels(netdev), - netdev->mtu); + priv->max_nch, netdev->mtu); mlx5i_build_nic_params(mdev, &priv->channels.params); mlx5e_timestamp_init(priv); @@ -118,11 +117,10 @@ void mlx5i_cleanup(struct mlx5e_priv *priv) static void mlx5i_grp_sw_update_stats(struct mlx5e_priv *priv) { - int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); struct mlx5e_sw_stats s = { 0 }; int i, j; - for (i = 0; i < max_nch; i++) { + for (i = 0; i < priv->max_nch; i++) { struct mlx5e_channel_stats *channel_stats; struct mlx5e_rq_stats *rq_stats; @@ -436,6 +434,7 @@ static const struct mlx5e_profile mlx5i_nic_profile = { .rx_handlers.handle_rx_cqe = mlx5i_handle_rx_cqe, .rx_handlers.handle_rx_cqe_mpwqe = NULL, /* Not supported */ .max_tc = MLX5I_MAX_NUM_TC, + .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR), }; /* mlx5i netdev NDos */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c index 6e56fa769d2e..c5a491e22e55 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c @@ -355,6 +355,7 @@ static const struct mlx5e_profile mlx5i_pkey_nic_profile = { .rx_handlers.handle_rx_cqe = mlx5i_handle_rx_cqe, .rx_handlers.handle_rx_cqe_mpwqe = NULL, /* Not supported */ .max_tc = MLX5I_MAX_NUM_TC, + .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR), }; const struct mlx5e_profile *mlx5i_pkey_get_profile(void) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 650638152bbc..eda9c23e87b2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -6330,7 +6330,7 @@ static int __init mlxsw_sp_module_init(void) return 0; err_sp2_pci_driver_register: - mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); + mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver); err_sp1_pci_driver_register: mlxsw_core_driver_unregister(&mlxsw_sp2_driver); err_sp2_core_driver_register: diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 131f62ce9297..6664119fb0c8 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -951,4 +951,8 @@ void mlxsw_sp_port_nve_fini(struct mlxsw_sp_port *mlxsw_sp_port); int mlxsw_sp_nve_init(struct mlxsw_sp *mlxsw_sp); void mlxsw_sp_nve_fini(struct mlxsw_sp *mlxsw_sp); +/* spectrum_nve_vxlan.c */ +int mlxsw_sp_nve_inc_parsing_depth_get(struct mlxsw_sp *mlxsw_sp); +void mlxsw_sp_nve_inc_parsing_depth_put(struct mlxsw_sp *mlxsw_sp); + #endif diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c index 1537f70bc26d..888ba4300bcc 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c @@ -437,8 +437,8 @@ static const struct mlxsw_sp_sb_pr mlxsw_sp1_sb_prs[] = { MLXSW_SP1_SB_PR_CPU_SIZE, true, false), }; -#define MLXSW_SP2_SB_PR_INGRESS_SIZE 38128752 -#define MLXSW_SP2_SB_PR_EGRESS_SIZE 38128752 +#define MLXSW_SP2_SB_PR_INGRESS_SIZE 35297568 +#define MLXSW_SP2_SB_PR_EGRESS_SIZE 35297568 #define MLXSW_SP2_SB_PR_CPU_SIZE (256 * 1000) /* Order according to mlxsw_sp2_sb_pool_dess */ diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c index 1df164a4b06d..17f334b46c40 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c @@ -775,6 +775,7 @@ static void mlxsw_sp_nve_tunnel_fini(struct mlxsw_sp *mlxsw_sp) ops->fini(nve); mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_ADJ, 1, nve->tunnel_index); + memset(&nve->config, 0, sizeof(nve->config)); } nve->num_nve_tunnels--; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h index 0035640156a1..12f664f42f21 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h @@ -29,6 +29,7 @@ struct mlxsw_sp_nve { unsigned int num_max_mc_entries[MLXSW_SP_L3_PROTO_MAX]; u32 tunnel_index; u16 ul_rif_index; /* Reserved for Spectrum */ + unsigned int inc_parsing_depth_refs; }; struct mlxsw_sp_nve_ops { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c index 93ccd9fc2266..05517c7feaa5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c @@ -103,9 +103,9 @@ static void mlxsw_sp_nve_vxlan_config(const struct mlxsw_sp_nve *nve, config->udp_dport = cfg->dst_port; } -static int mlxsw_sp_nve_parsing_set(struct mlxsw_sp *mlxsw_sp, - unsigned int parsing_depth, - __be16 udp_dport) +static int __mlxsw_sp_nve_parsing_set(struct mlxsw_sp *mlxsw_sp, + unsigned int parsing_depth, + __be16 udp_dport) { char mprs_pl[MLXSW_REG_MPRS_LEN]; @@ -113,6 +113,56 @@ static int mlxsw_sp_nve_parsing_set(struct mlxsw_sp *mlxsw_sp, return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); } +static int mlxsw_sp_nve_parsing_set(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport) +{ + int parsing_depth = mlxsw_sp->nve->inc_parsing_depth_refs ? + MLXSW_SP_NVE_VXLAN_PARSING_DEPTH : + MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH; + + return __mlxsw_sp_nve_parsing_set(mlxsw_sp, parsing_depth, udp_dport); +} + +static int +__mlxsw_sp_nve_inc_parsing_depth_get(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport) +{ + int err; + + mlxsw_sp->nve->inc_parsing_depth_refs++; + + err = mlxsw_sp_nve_parsing_set(mlxsw_sp, udp_dport); + if (err) + goto err_nve_parsing_set; + return 0; + +err_nve_parsing_set: + mlxsw_sp->nve->inc_parsing_depth_refs--; + return err; +} + +static void +__mlxsw_sp_nve_inc_parsing_depth_put(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport) +{ + mlxsw_sp->nve->inc_parsing_depth_refs--; + mlxsw_sp_nve_parsing_set(mlxsw_sp, udp_dport); +} + +int mlxsw_sp_nve_inc_parsing_depth_get(struct mlxsw_sp *mlxsw_sp) +{ + __be16 udp_dport = mlxsw_sp->nve->config.udp_dport; + + return __mlxsw_sp_nve_inc_parsing_depth_get(mlxsw_sp, udp_dport); +} + +void mlxsw_sp_nve_inc_parsing_depth_put(struct mlxsw_sp *mlxsw_sp) +{ + __be16 udp_dport = mlxsw_sp->nve->config.udp_dport; + + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, udp_dport); +} + static void mlxsw_sp_nve_vxlan_config_prepare(char *tngcr_pl, const struct mlxsw_sp_nve_config *config) @@ -176,9 +226,7 @@ static int mlxsw_sp1_nve_vxlan_init(struct mlxsw_sp_nve *nve, struct mlxsw_sp *mlxsw_sp = nve->mlxsw_sp; int err; - err = mlxsw_sp_nve_parsing_set(mlxsw_sp, - MLXSW_SP_NVE_VXLAN_PARSING_DEPTH, - config->udp_dport); + err = __mlxsw_sp_nve_inc_parsing_depth_get(mlxsw_sp, config->udp_dport); if (err) return err; @@ -203,8 +251,7 @@ err_promote_decap: err_rtdp_set: mlxsw_sp1_nve_vxlan_config_clear(mlxsw_sp); err_config_set: - mlxsw_sp_nve_parsing_set(mlxsw_sp, MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH, - config->udp_dport); + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, 0); return err; } @@ -216,8 +263,7 @@ static void mlxsw_sp1_nve_vxlan_fini(struct mlxsw_sp_nve *nve) mlxsw_sp_router_nve_demote_decap(mlxsw_sp, config->ul_tb_id, config->ul_proto, &config->ul_sip); mlxsw_sp1_nve_vxlan_config_clear(mlxsw_sp); - mlxsw_sp_nve_parsing_set(mlxsw_sp, MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH, - config->udp_dport); + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, 0); } static int @@ -320,9 +366,7 @@ static int mlxsw_sp2_nve_vxlan_init(struct mlxsw_sp_nve *nve, struct mlxsw_sp *mlxsw_sp = nve->mlxsw_sp; int err; - err = mlxsw_sp_nve_parsing_set(mlxsw_sp, - MLXSW_SP_NVE_VXLAN_PARSING_DEPTH, - config->udp_dport); + err = __mlxsw_sp_nve_inc_parsing_depth_get(mlxsw_sp, config->udp_dport); if (err) return err; @@ -348,8 +392,7 @@ err_promote_decap: err_rtdp_set: mlxsw_sp2_nve_vxlan_config_clear(mlxsw_sp); err_config_set: - mlxsw_sp_nve_parsing_set(mlxsw_sp, MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH, - config->udp_dport); + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, 0); return err; } @@ -361,8 +404,7 @@ static void mlxsw_sp2_nve_vxlan_fini(struct mlxsw_sp_nve *nve) mlxsw_sp_router_nve_demote_decap(mlxsw_sp, config->ul_tb_id, config->ul_proto, &config->ul_sip); mlxsw_sp2_nve_vxlan_config_clear(mlxsw_sp); - mlxsw_sp_nve_parsing_set(mlxsw_sp, MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH, - config->udp_dport); + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, 0); } const struct mlxsw_sp_nve_ops mlxsw_sp2_nve_vxlan_ops = { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c index bd9c2bc2d5d6..63b07edd9d81 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c @@ -979,6 +979,9 @@ static int mlxsw_sp1_ptp_mtpppc_update(struct mlxsw_sp_port *mlxsw_sp_port, { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_port *tmp; + u16 orig_ing_types = 0; + u16 orig_egr_types = 0; + int err; int i; /* MTPPPC configures timestamping globally, not per port. Find the @@ -986,12 +989,26 @@ static int mlxsw_sp1_ptp_mtpppc_update(struct mlxsw_sp_port *mlxsw_sp_port, */ for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++) { tmp = mlxsw_sp->ports[i]; + if (tmp) { + orig_ing_types |= tmp->ptp.ing_types; + orig_egr_types |= tmp->ptp.egr_types; + } if (tmp && tmp != mlxsw_sp_port) { ing_types |= tmp->ptp.ing_types; egr_types |= tmp->ptp.egr_types; } } + if ((ing_types || egr_types) && !(orig_ing_types || orig_egr_types)) { + err = mlxsw_sp_nve_inc_parsing_depth_get(mlxsw_sp); + if (err) { + netdev_err(mlxsw_sp_port->dev, "Failed to increase parsing depth"); + return err; + } + } + if (!(ing_types || egr_types) && (orig_ing_types || orig_egr_types)) + mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp); + return mlxsw_sp1_ptp_mtpppc_set(mlxsw_sp_port->mlxsw_sp, ing_types, egr_types); } diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index b71e4ecbe469..6932e615d4b0 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -1818,6 +1818,7 @@ EXPORT_SYMBOL(ocelot_init); void ocelot_deinit(struct ocelot *ocelot) { + cancel_delayed_work(&ocelot->stats_work); destroy_workqueue(ocelot->stats_queue); mutex_destroy(&ocelot->stats_lock); ocelot_ace_deinit(); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index d9cbe84ac6ad..1b840ee47339 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -444,12 +444,12 @@ static u8 *nfp_vnic_get_sw_stats_strings(struct net_device *netdev, u8 *data) data = nfp_pr_et(data, "hw_rx_csum_complete"); data = nfp_pr_et(data, "hw_rx_csum_err"); data = nfp_pr_et(data, "rx_replace_buf_alloc_fail"); - data = nfp_pr_et(data, "rx_tls_decrypted"); + data = nfp_pr_et(data, "rx_tls_decrypted_packets"); data = nfp_pr_et(data, "hw_tx_csum"); data = nfp_pr_et(data, "hw_tx_inner_csum"); data = nfp_pr_et(data, "tx_gather"); data = nfp_pr_et(data, "tx_lso"); - data = nfp_pr_et(data, "tx_tls_encrypted"); + data = nfp_pr_et(data, "tx_tls_encrypted_packets"); data = nfp_pr_et(data, "tx_tls_ooo"); data = nfp_pr_et(data, "tx_tls_drop_no_sync_data"); diff --git a/drivers/net/ethernet/ni/Kconfig b/drivers/net/ethernet/ni/Kconfig index 70b1a03c0953..01229190132d 100644 --- a/drivers/net/ethernet/ni/Kconfig +++ b/drivers/net/ethernet/ni/Kconfig @@ -11,7 +11,7 @@ config NET_VENDOR_NI Note that the answer to this question doesn't directly affect the kernel: saying N will just cause the configurator to skip all - the questions about National Instrument devices. + the questions about National Instruments devices. If you say Y, you will be asked for your specific device in the following questions. diff --git a/drivers/net/ethernet/packetengines/Kconfig b/drivers/net/ethernet/packetengines/Kconfig index 8161e308e64b..ead3750b4489 100644 --- a/drivers/net/ethernet/packetengines/Kconfig +++ b/drivers/net/ethernet/packetengines/Kconfig @@ -1,10 +1,10 @@ # SPDX-License-Identifier: GPL-2.0-only # -# Packet engine device configuration +# Packet Engines device configuration # config NET_VENDOR_PACKET_ENGINES - bool "Packet Engine devices" + bool "Packet Engines devices" default y depends on PCI ---help--- @@ -12,7 +12,7 @@ config NET_VENDOR_PACKET_ENGINES Note that the answer to this question doesn't directly affect the kernel: saying N will just cause the configurator to skip all - the questions about packet engine devices. If you say Y, you will + the questions about Packet Engines devices. If you say Y, you will be asked for your specific card in the following questions. if NET_VENDOR_PACKET_ENGINES diff --git a/drivers/net/ethernet/packetengines/Makefile b/drivers/net/ethernet/packetengines/Makefile index 1553c9cfc254..cf054b796d11 100644 --- a/drivers/net/ethernet/packetengines/Makefile +++ b/drivers/net/ethernet/packetengines/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only # -# Makefile for the Packet Engine network device drivers. +# Makefile for the Packet Engines network device drivers. # obj-$(CONFIG_HAMACHI) += hamachi.o diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c index 4e8118a08654..9f5113639eaf 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.c +++ b/drivers/net/ethernet/qlogic/qed/qed_int.c @@ -1093,7 +1093,7 @@ static int qed_int_deassertion(struct qed_hwfn *p_hwfn, snprintf(bit_name, 30, p_aeu->bit_name, num); else - strncpy(bit_name, + strlcpy(bit_name, p_aeu->bit_name, 30); /* We now need to pass bitmask in its diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c index 17c64e43d6c3..158ac0738911 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c +++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c @@ -442,7 +442,7 @@ static void qed_rdma_init_devinfo(struct qed_hwfn *p_hwfn, /* Vendor specific information */ dev->vendor_id = cdev->vendor_id; dev->vendor_part_id = cdev->device_id; - dev->hw_ver = 0; + dev->hw_ver = cdev->chip_rev; dev->fw_ver = (FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) | (FW_REVISION_VERSION << 8) | (FW_ENGINEERING_VERSION); diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c index 60189923737a..21d38167f961 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c @@ -206,9 +206,9 @@ rmnet_map_ipv4_ul_csum_header(void *iphdr, ul_header->csum_insert_offset = skb->csum_offset; ul_header->csum_enabled = 1; if (ip4h->protocol == IPPROTO_UDP) - ul_header->udp_ip4_ind = 1; + ul_header->udp_ind = 1; else - ul_header->udp_ip4_ind = 0; + ul_header->udp_ind = 0; /* Changing remaining fields to network order */ hdr++; @@ -239,6 +239,7 @@ rmnet_map_ipv6_ul_csum_header(void *ip6hdr, struct rmnet_map_ul_csum_header *ul_header, struct sk_buff *skb) { + struct ipv6hdr *ip6h = (struct ipv6hdr *)ip6hdr; __be16 *hdr = (__be16 *)ul_header, offset; offset = htons((__force u16)(skb_transport_header(skb) - @@ -246,7 +247,11 @@ rmnet_map_ipv6_ul_csum_header(void *ip6hdr, ul_header->csum_start_offset = offset; ul_header->csum_insert_offset = skb->csum_offset; ul_header->csum_enabled = 1; - ul_header->udp_ip4_ind = 0; + + if (ip6h->nexthdr == IPPROTO_UDP) + ul_header->udp_ind = 1; + else + ul_header->udp_ind = 0; /* Changing remaining fields to network order */ hdr++; @@ -419,7 +424,7 @@ sw_csum: ul_header->csum_start_offset = 0; ul_header->csum_insert_offset = 0; ul_header->csum_enabled = 0; - ul_header->udp_ip4_ind = 0; + ul_header->udp_ind = 0; priv->stats.csum_sw++; } diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 6272115b2848..e1dd6ea60d67 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -6136,10 +6136,7 @@ static int r8169_phy_connect(struct rtl8169_private *tp) if (ret) return ret; - if (tp->supports_gmii) - phy_remove_link_mode(phydev, - ETHTOOL_LINK_MODE_1000baseT_Half_BIT); - else + if (!tp->supports_gmii) phy_set_max_speed(phydev, SPEED_100); phy_support_asym_pause(phydev); @@ -6589,13 +6586,18 @@ static int rtl_alloc_irq(struct rtl8169_private *tp) { unsigned int flags; - if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06: rtl_unlock_config_regs(tp); RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable); rtl_lock_config_regs(tp); + /* fall through */ + case RTL_GIGA_MAC_VER_07 ... RTL_GIGA_MAC_VER_24: flags = PCI_IRQ_LEGACY; - } else { + break; + default: flags = PCI_IRQ_ALL_TYPES; + break; } return pci_alloc_irq_vectors(tp->pci_dev, 1, 1, flags); diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c index 079f459c73a5..2c5d3f5b84dd 100644 --- a/drivers/net/ethernet/rocker/rocker_main.c +++ b/drivers/net/ethernet/rocker/rocker_main.c @@ -2208,10 +2208,12 @@ static int rocker_router_fib_event(struct notifier_block *nb, if (fen_info->fi->fib_nh_is_v6) { NL_SET_ERR_MSG_MOD(info->extack, "IPv6 gateway with IPv4 route is not supported"); + kfree(fib_work); return notifier_from_errno(-EINVAL); } if (fen_info->fi->nh) { NL_SET_ERR_MSG_MOD(info->extack, "IPv4 route with nexthop objects is not supported"); + kfree(fib_work); return notifier_from_errno(-EINVAL); } } diff --git a/drivers/net/ethernet/samsung/Kconfig b/drivers/net/ethernet/samsung/Kconfig index 027938017579..e92a178a76df 100644 --- a/drivers/net/ethernet/samsung/Kconfig +++ b/drivers/net/ethernet/samsung/Kconfig @@ -11,7 +11,7 @@ config NET_VENDOR_SAMSUNG say Y. Note that the answer to this question does not directly affect - the kernel: saying N will just case the configurator to skip all + the kernel: saying N will just cause the configurator to skip all the questions about Samsung chipsets. If you say Y, you will be asked for your specific chipset/driver in the following questions. diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index bd14803545de..8d88e4083456 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -712,6 +712,7 @@ static void smc911x_phy_detect(struct net_device *dev) /* Found an external PHY */ break; } + /* Else, fall through */ default: /* Internal media only */ SMC_GET_PHY_ID1(lp, 1, id1); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 01c2e2d83e76..fc9954e4a772 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -85,6 +85,8 @@ static void dwmac4_rx_queue_priority(struct mac_device_info *hw, u32 value; base_register = (queue < 4) ? GMAC_RXQ_CTRL2 : GMAC_RXQ_CTRL3; + if (queue >= 4) + queue -= 4; value = readl(ioaddr + base_register); @@ -102,6 +104,8 @@ static void dwmac4_tx_queue_priority(struct mac_device_info *hw, u32 value; base_register = (queue < 4) ? GMAC_TXQ_PRTY_MAP0 : GMAC_TXQ_PRTY_MAP1; + if (queue >= 4) + queue -= 4; value = readl(ioaddr + base_register); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h index 7f86dffb264d..3174b701aa90 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h @@ -44,11 +44,13 @@ #define XGMAC_CORE_INIT_RX 0 #define XGMAC_PACKET_FILTER 0x00000008 #define XGMAC_FILTER_RA BIT(31) +#define XGMAC_FILTER_HPF BIT(10) #define XGMAC_FILTER_PCF BIT(7) #define XGMAC_FILTER_PM BIT(4) #define XGMAC_FILTER_HMC BIT(2) #define XGMAC_FILTER_PR BIT(0) #define XGMAC_HASH_TABLE(x) (0x00000010 + (x) * 4) +#define XGMAC_MAX_HASH_TABLE 8 #define XGMAC_RXQ_CTRL0 0x000000a0 #define XGMAC_RXQEN(x) GENMASK((x) * 2 + 1, (x) * 2) #define XGMAC_RXQEN_SHIFT(x) ((x) * 2) @@ -99,11 +101,12 @@ #define XGMAC_MDIO_ADDR 0x00000200 #define XGMAC_MDIO_DATA 0x00000204 #define XGMAC_MDIO_C22P 0x00000220 -#define XGMAC_ADDR0_HIGH 0x00000300 +#define XGMAC_ADDRx_HIGH(x) (0x00000300 + (x) * 0x8) +#define XGMAC_ADDR_MAX 32 #define XGMAC_AE BIT(31) #define XGMAC_DCS GENMASK(19, 16) #define XGMAC_DCS_SHIFT 16 -#define XGMAC_ADDR0_LOW 0x00000304 +#define XGMAC_ADDRx_LOW(x) (0x00000304 + (x) * 0x8) #define XGMAC_ARP_ADDR 0x00000c10 #define XGMAC_TIMESTAMP_STATUS 0x00000d20 #define XGMAC_TXTSC BIT(15) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index 0a32c96a7854..85c68b7ee8c6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -4,6 +4,8 @@ * stmmac XGMAC support. */ +#include <linux/bitrev.h> +#include <linux/crc32.h> #include "stmmac.h" #include "dwxgmac2.h" @@ -106,6 +108,8 @@ static void dwxgmac2_rx_queue_prio(struct mac_device_info *hw, u32 prio, u32 value, reg; reg = (queue < 4) ? XGMAC_RXQ_CTRL2 : XGMAC_RXQ_CTRL3; + if (queue >= 4) + queue -= 4; value = readl(ioaddr + reg); value &= ~XGMAC_PSRQ(queue); @@ -169,6 +173,8 @@ static void dwxgmac2_map_mtl_to_dma(struct mac_device_info *hw, u32 queue, u32 value, reg; reg = (queue < 4) ? XGMAC_MTL_RXQ_DMA_MAP0 : XGMAC_MTL_RXQ_DMA_MAP1; + if (queue >= 4) + queue -= 4; value = readl(ioaddr + reg); value &= ~XGMAC_QxMDMACH(queue); @@ -278,10 +284,10 @@ static void dwxgmac2_set_umac_addr(struct mac_device_info *hw, u32 value; value = (addr[5] << 8) | addr[4]; - writel(value | XGMAC_AE, ioaddr + XGMAC_ADDR0_HIGH); + writel(value | XGMAC_AE, ioaddr + XGMAC_ADDRx_HIGH(reg_n)); value = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0]; - writel(value, ioaddr + XGMAC_ADDR0_LOW); + writel(value, ioaddr + XGMAC_ADDRx_LOW(reg_n)); } static void dwxgmac2_get_umac_addr(struct mac_device_info *hw, @@ -291,8 +297,8 @@ static void dwxgmac2_get_umac_addr(struct mac_device_info *hw, u32 hi_addr, lo_addr; /* Read the MAC address from the hardware */ - hi_addr = readl(ioaddr + XGMAC_ADDR0_HIGH); - lo_addr = readl(ioaddr + XGMAC_ADDR0_LOW); + hi_addr = readl(ioaddr + XGMAC_ADDRx_HIGH(reg_n)); + lo_addr = readl(ioaddr + XGMAC_ADDRx_LOW(reg_n)); /* Extract the MAC address from the high and low words */ addr[0] = lo_addr & 0xff; @@ -303,19 +309,82 @@ static void dwxgmac2_get_umac_addr(struct mac_device_info *hw, addr[5] = (hi_addr >> 8) & 0xff; } +static void dwxgmac2_set_mchash(void __iomem *ioaddr, u32 *mcfilterbits, + int mcbitslog2) +{ + int numhashregs, regs; + + switch (mcbitslog2) { + case 6: + numhashregs = 2; + break; + case 7: + numhashregs = 4; + break; + case 8: + numhashregs = 8; + break; + default: + return; + } + + for (regs = 0; regs < numhashregs; regs++) + writel(mcfilterbits[regs], ioaddr + XGMAC_HASH_TABLE(regs)); +} + static void dwxgmac2_set_filter(struct mac_device_info *hw, struct net_device *dev) { void __iomem *ioaddr = (void __iomem *)dev->base_addr; - u32 value = XGMAC_FILTER_RA; + u32 value = readl(ioaddr + XGMAC_PACKET_FILTER); + int mcbitslog2 = hw->mcast_bits_log2; + u32 mc_filter[8]; + int i; + + value &= ~(XGMAC_FILTER_PR | XGMAC_FILTER_HMC | XGMAC_FILTER_PM); + value |= XGMAC_FILTER_HPF; + + memset(mc_filter, 0, sizeof(mc_filter)); if (dev->flags & IFF_PROMISC) { - value |= XGMAC_FILTER_PR | XGMAC_FILTER_PCF; + value |= XGMAC_FILTER_PR; + value |= XGMAC_FILTER_PCF; } else if ((dev->flags & IFF_ALLMULTI) || - (netdev_mc_count(dev) > HASH_TABLE_SIZE)) { + (netdev_mc_count(dev) > hw->multicast_filter_bins)) { value |= XGMAC_FILTER_PM; - writel(~0x0, ioaddr + XGMAC_HASH_TABLE(0)); - writel(~0x0, ioaddr + XGMAC_HASH_TABLE(1)); + + for (i = 0; i < XGMAC_MAX_HASH_TABLE; i++) + writel(~0x0, ioaddr + XGMAC_HASH_TABLE(i)); + } else if (!netdev_mc_empty(dev)) { + struct netdev_hw_addr *ha; + + value |= XGMAC_FILTER_HMC; + + netdev_for_each_mc_addr(ha, dev) { + int nr = (bitrev32(~crc32_le(~0, ha->addr, 6)) >> + (32 - mcbitslog2)); + mc_filter[nr >> 5] |= (1 << (nr & 0x1F)); + } + } + + dwxgmac2_set_mchash(ioaddr, mc_filter, mcbitslog2); + + /* Handle multiple unicast addresses */ + if (netdev_uc_count(dev) > XGMAC_ADDR_MAX) { + value |= XGMAC_FILTER_PR; + } else { + struct netdev_hw_addr *ha; + int reg = 1; + + netdev_for_each_uc_addr(ha, dev) { + dwxgmac2_set_umac_addr(hw, ha->addr, reg); + reg++; + } + + for ( ; reg < XGMAC_ADDR_MAX; reg++) { + writel(0, ioaddr + XGMAC_ADDRx_HIGH(reg)); + writel(0, ioaddr + XGMAC_ADDRx_LOW(reg)); + } } writel(value, ioaddr + XGMAC_PACKET_FILTER); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c7c9e5f162e6..fd54c7c87485 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -814,20 +814,15 @@ static void stmmac_validate(struct phylink_config *config, phylink_set(mac_supported, 10baseT_Full); phylink_set(mac_supported, 100baseT_Half); phylink_set(mac_supported, 100baseT_Full); + phylink_set(mac_supported, 1000baseT_Half); + phylink_set(mac_supported, 1000baseT_Full); + phylink_set(mac_supported, 1000baseKX_Full); phylink_set(mac_supported, Autoneg); phylink_set(mac_supported, Pause); phylink_set(mac_supported, Asym_Pause); phylink_set_port_modes(mac_supported); - if (priv->plat->has_gmac || - priv->plat->has_gmac4 || - priv->plat->has_xgmac) { - phylink_set(mac_supported, 1000baseT_Half); - phylink_set(mac_supported, 1000baseT_Full); - phylink_set(mac_supported, 1000baseKX_Full); - } - /* Cut down 1G if asked to */ if ((max_speed > 0) && (max_speed < 1000)) { phylink_set(mask, 1000baseT_Full); @@ -1295,6 +1290,8 @@ static int init_dma_rx_desc_rings(struct net_device *dev, gfp_t flags) "(%s) dma_rx_phy=0x%08x\n", __func__, (u32)rx_q->dma_rx_phy); + stmmac_clear_rx_descriptors(priv, queue); + for (i = 0; i < DMA_RX_SIZE; i++) { struct dma_desc *p; @@ -1312,8 +1309,6 @@ static int init_dma_rx_desc_rings(struct net_device *dev, gfp_t flags) rx_q->cur_rx = 0; rx_q->dirty_rx = (unsigned int)(i - DMA_RX_SIZE); - stmmac_clear_rx_descriptors(priv, queue); - /* Setup the chained descriptor addresses */ if (priv->mode == STMMAC_CHAIN_MODE) { if (priv->extend_desc) @@ -1555,9 +1550,8 @@ static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv) goto err_dma; } - rx_q->buf_pool = kmalloc_array(DMA_RX_SIZE, - sizeof(*rx_q->buf_pool), - GFP_KERNEL); + rx_q->buf_pool = kcalloc(DMA_RX_SIZE, sizeof(*rx_q->buf_pool), + GFP_KERNEL); if (!rx_q->buf_pool) goto err_dma; @@ -1608,15 +1602,15 @@ static int alloc_dma_tx_desc_resources(struct stmmac_priv *priv) tx_q->queue_index = queue; tx_q->priv_data = priv; - tx_q->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE, - sizeof(*tx_q->tx_skbuff_dma), - GFP_KERNEL); + tx_q->tx_skbuff_dma = kcalloc(DMA_TX_SIZE, + sizeof(*tx_q->tx_skbuff_dma), + GFP_KERNEL); if (!tx_q->tx_skbuff_dma) goto err_dma; - tx_q->tx_skbuff = kmalloc_array(DMA_TX_SIZE, - sizeof(struct sk_buff *), - GFP_KERNEL); + tx_q->tx_skbuff = kcalloc(DMA_TX_SIZE, + sizeof(struct sk_buff *), + GFP_KERNEL); if (!tx_q->tx_skbuff) goto err_dma; @@ -3277,9 +3271,11 @@ static inline int stmmac_rx_threshold_count(struct stmmac_rx_queue *rx_q) static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) { struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue]; - int dirty = stmmac_rx_dirty(priv, queue); + int len, dirty = stmmac_rx_dirty(priv, queue); unsigned int entry = rx_q->dirty_rx; + len = DIV_ROUND_UP(priv->dma_buf_sz, PAGE_SIZE) * PAGE_SIZE; + while (dirty-- > 0) { struct stmmac_rx_buffer *buf = &rx_q->buf_pool[entry]; struct dma_desc *p; @@ -3297,6 +3293,13 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) } buf->addr = page_pool_get_dma_addr(buf->page); + + /* Sync whole allocation to device. This will invalidate old + * data. + */ + dma_sync_single_for_device(priv->device, buf->addr, len, + DMA_FROM_DEVICE); + stmmac_set_desc_addr(priv, p, buf->addr); stmmac_refill_desc3(priv, rx_q, p); @@ -3431,8 +3434,6 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) skb_copy_to_linear_data(skb, page_address(buf->page), frame_len); skb_put(skb, frame_len); - dma_sync_single_for_device(priv->device, buf->addr, - frame_len, DMA_FROM_DEVICE); if (netif_msg_pktdata(priv)) { netdev_dbg(priv->dev, "frame received (%dbytes)", @@ -4319,8 +4320,9 @@ int stmmac_dvr_probe(struct device *device, NAPI_POLL_WEIGHT); } if (queue < priv->plat->tx_queues_to_use) { - netif_napi_add(ndev, &ch->tx_napi, stmmac_napi_poll_tx, - NAPI_POLL_WEIGHT); + netif_tx_napi_add(ndev, &ch->tx_napi, + stmmac_napi_poll_tx, + NAPI_POLL_WEIGHT); } } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 73fc2524372e..154daf4d1072 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -370,6 +370,13 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) return ERR_PTR(-ENOMEM); *mac = of_get_mac_address(np); + if (IS_ERR(*mac)) { + if (PTR_ERR(*mac) == -EPROBE_DEFER) + return ERR_CAST(*mac); + + *mac = NULL; + } + plat->interface = of_get_phy_mode(np); /* Some wrapper drivers still rely on phy_node. Let's save it while diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 58ea18af9813..37c0bc699cd9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -37,7 +37,7 @@ static struct stmmac_tc_entry *tc_find_entry(struct stmmac_priv *priv, entry = &priv->tc_entries[i]; if (!entry->in_use && !first && free) first = entry; - if (entry->handle == loc && !free) + if ((entry->handle == loc) && !free && !entry->is_frag) dup = entry; } diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c index 5b196ebfed49..0f346761a2b2 100644 --- a/drivers/net/ethernet/toshiba/spider_net.c +++ b/drivers/net/ethernet/toshiba/spider_net.c @@ -788,6 +788,7 @@ spider_net_release_tx_chain(struct spider_net_card *card, int brutal) /* fallthrough, if we release the descriptors * brutally (then we don't care about * SPIDER_NET_DESCR_CARDOWNED) */ + /* Fall through */ case SPIDER_NET_DESCR_RESPONSE_ERROR: case SPIDER_NET_DESCR_PROTECTION_ERROR: diff --git a/drivers/net/ethernet/xscale/Kconfig b/drivers/net/ethernet/xscale/Kconfig index 2f354ba029a6..cd0a8f46e7c6 100644 --- a/drivers/net/ethernet/xscale/Kconfig +++ b/drivers/net/ethernet/xscale/Kconfig @@ -13,7 +13,7 @@ config NET_VENDOR_XSCALE Note that the answer to this question does not directly affect the kernel: saying N will just cause the configurator to skip all - the questions about XSacle IXP devices. If you say Y, you will be + the questions about XScale IXP devices. If you say Y, you will be asked for your specific card in the following questions. if NET_VENDOR_XSCALE diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c index daab2c07d891..9303aeb2595f 100644 --- a/drivers/net/hamradio/baycom_epp.c +++ b/drivers/net/hamradio/baycom_epp.c @@ -500,8 +500,9 @@ static int transmit(struct baycom_state *bc, int cnt, unsigned char stat) } break; } + /* fall through */ - default: /* fall through */ + default: if (bc->hdlctx.calibrate <= 0) return 0; i = min_t(int, cnt, bc->hdlctx.calibrate); diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index 3ffe46df249e..7c5265fd2b94 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -216,8 +216,10 @@ static struct gpio_desc *fixed_phy_get_gpiod(struct device_node *np) if (IS_ERR(gpiod)) { if (PTR_ERR(gpiod) == -EPROBE_DEFER) return gpiod; - pr_err("error getting GPIO for fixed link %pOF, proceed without\n", - fixed_link_node); + + if (PTR_ERR(gpiod) != -ENOENT) + pr_err("error getting GPIO for fixed link %pOF, proceed without\n", + fixed_link_node); gpiod = NULL; } diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c index 28676af97b42..645d354ffb48 100644 --- a/drivers/net/phy/mscc.c +++ b/drivers/net/phy/mscc.c @@ -2226,8 +2226,8 @@ static int vsc8514_probe(struct phy_device *phydev) vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES; vsc8531->hw_stats = vsc85xx_hw_stats; vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats); - vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats, - sizeof(u64), GFP_KERNEL); + vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats, + sizeof(u64), GFP_KERNEL); if (!vsc8531->stats) return -ENOMEM; @@ -2251,8 +2251,8 @@ static int vsc8574_probe(struct phy_device *phydev) vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES; vsc8531->hw_stats = vsc8584_hw_stats; vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats); - vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats, - sizeof(u64), GFP_KERNEL); + vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats, + sizeof(u64), GFP_KERNEL); if (!vsc8531->stats) return -ENOMEM; @@ -2281,8 +2281,8 @@ static int vsc8584_probe(struct phy_device *phydev) vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES; vsc8531->hw_stats = vsc8584_hw_stats; vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats); - vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats, - sizeof(u64), GFP_KERNEL); + vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats, + sizeof(u64), GFP_KERNEL); if (!vsc8531->stats) return -ENOMEM; @@ -2311,8 +2311,8 @@ static int vsc85xx_probe(struct phy_device *phydev) vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES; vsc8531->hw_stats = vsc85xx_hw_stats; vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats); - vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats, - sizeof(u64), GFP_KERNEL); + vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats, + sizeof(u64), GFP_KERNEL); if (!vsc8531->stats) return -ENOMEM; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 6b5cb87f3866..7ddd91df99e3 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1774,6 +1774,12 @@ done: phydev->link = status & BMSR_LSTATUS ? 1 : 0; phydev->autoneg_complete = status & BMSR_ANEGCOMPLETE ? 1 : 0; + /* Consider the case that autoneg was started and "aneg complete" + * bit has been reset, but "link up" bit not yet. + */ + if (phydev->autoneg == AUTONEG_ENABLE && !phydev->autoneg_complete) + phydev->link = 0; + return 0; } EXPORT_SYMBOL(genphy_update_link); diff --git a/drivers/net/phy/phy_led_triggers.c b/drivers/net/phy/phy_led_triggers.c index b86a4b2116f8..59a94e07e7c5 100644 --- a/drivers/net/phy/phy_led_triggers.c +++ b/drivers/net/phy/phy_led_triggers.c @@ -48,8 +48,9 @@ void phy_led_trigger_change_speed(struct phy_device *phy) if (!phy->last_triggered) led_trigger_event(&phy->led_link_trigger->trigger, LED_FULL); + else + led_trigger_event(&phy->last_triggered->trigger, LED_OFF); - led_trigger_event(&phy->last_triggered->trigger, LED_OFF); led_trigger_event(&plt->trigger, LED_FULL); phy->last_triggered = plt; } diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 5d0af041b8f9..a45c5de96ab1 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -216,6 +216,8 @@ static int phylink_parse_fixedlink(struct phylink *pl, pl->supported, true); linkmode_zero(pl->supported); phylink_set(pl->supported, MII); + phylink_set(pl->supported, Pause); + phylink_set(pl->supported, Asym_Pause); if (s) { __set_bit(s->bit, pl->supported); } else { @@ -990,10 +992,10 @@ void phylink_start(struct phylink *pl) } if (pl->link_an_mode == MLO_AN_FIXED && pl->get_fixed_state) mod_timer(&pl->link_poll, jiffies + HZ); - if (pl->sfp_bus) - sfp_upstream_start(pl->sfp_bus); if (pl->phydev) phy_start(pl->phydev); + if (pl->sfp_bus) + sfp_upstream_start(pl->sfp_bus); } EXPORT_SYMBOL_GPL(phylink_start); @@ -1010,10 +1012,10 @@ void phylink_stop(struct phylink *pl) { ASSERT_RTNL(); - if (pl->phydev) - phy_stop(pl->phydev); if (pl->sfp_bus) sfp_upstream_stop(pl->sfp_bus); + if (pl->phydev) + phy_stop(pl->phydev); del_timer_sync(&pl->link_poll); if (pl->link_irq) { free_irq(pl->link_irq, pl); diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 1d902ecb4aa8..a44dd3c8af63 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -1115,6 +1115,9 @@ static const struct proto_ops pppoe_ops = { .recvmsg = pppoe_recvmsg, .mmap = sock_no_mmap, .ioctl = pppox_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = pppox_compat_ioctl, +#endif }; static const struct pppox_proto pppoe_proto = { diff --git a/drivers/net/ppp/pppox.c b/drivers/net/ppp/pppox.c index 5ef422a43d70..08364f10a43f 100644 --- a/drivers/net/ppp/pppox.c +++ b/drivers/net/ppp/pppox.c @@ -17,6 +17,7 @@ #include <linux/string.h> #include <linux/module.h> #include <linux/kernel.h> +#include <linux/compat.h> #include <linux/errno.h> #include <linux/netdevice.h> #include <linux/net.h> @@ -98,6 +99,18 @@ int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) EXPORT_SYMBOL(pppox_ioctl); +#ifdef CONFIG_COMPAT +int pppox_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + if (cmd == PPPOEIOCSFWD32) + cmd = PPPOEIOCSFWD; + + return pppox_ioctl(sock, cmd, (unsigned long)compat_ptr(arg)); +} + +EXPORT_SYMBOL(pppox_compat_ioctl); +#endif + static int pppox_create(struct net *net, struct socket *sock, int protocol, int kern) { diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c index a8e52c8e4128..734de7de03f7 100644 --- a/drivers/net/ppp/pptp.c +++ b/drivers/net/ppp/pptp.c @@ -623,6 +623,9 @@ static const struct proto_ops pptp_ops = { .recvmsg = sock_no_recvmsg, .mmap = sock_no_mmap, .ioctl = pppox_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = pppox_compat_ioctl, +#endif }; static const struct pppox_proto pppox_pptp_proto = { diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 3d443597bd04..db16d7a13e00 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1599,7 +1599,8 @@ static bool tun_can_build_skb(struct tun_struct *tun, struct tun_file *tfile, return true; } -static struct sk_buff *__tun_build_skb(struct page_frag *alloc_frag, char *buf, +static struct sk_buff *__tun_build_skb(struct tun_file *tfile, + struct page_frag *alloc_frag, char *buf, int buflen, int len, int pad) { struct sk_buff *skb = build_skb(buf, buflen); @@ -1609,6 +1610,7 @@ static struct sk_buff *__tun_build_skb(struct page_frag *alloc_frag, char *buf, skb_reserve(skb, pad); skb_put(skb, len); + skb_set_owner_w(skb, tfile->socket.sk); get_page(alloc_frag->page); alloc_frag->offset += buflen; @@ -1686,7 +1688,8 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, */ if (hdr->gso_type || !xdp_prog) { *skb_xdp = 1; - return __tun_build_skb(alloc_frag, buf, buflen, len, pad); + return __tun_build_skb(tfile, alloc_frag, buf, buflen, len, + pad); } *skb_xdp = 0; @@ -1723,7 +1726,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, rcu_read_unlock(); local_bh_enable(); - return __tun_build_skb(alloc_frag, buf, buflen, len, pad); + return __tun_build_skb(tfile, alloc_frag, buf, buflen, len, pad); err_xdp: put_page(alloc_frag->page); diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index 6d25dea5ad4b..f7d117d80cfb 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -282,7 +282,7 @@ static void mdio_write(struct net_device *dev, int phy_id, int loc, int val) static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata) { int i; - __u8 tmp; + __u8 tmp = 0; __le16 retdatai; int ret; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 69e0a2acfcb0..b6dc5d714b5e 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1295,6 +1295,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ + {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 39e0768d734d..0cc03a9ff545 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -50,7 +50,7 @@ #define PLA_TEREDO_WAKE_BASE 0xc0c4 #define PLA_MAR 0xcd00 #define PLA_BACKUP 0xd000 -#define PAL_BDC_CR 0xd1a0 +#define PLA_BDC_CR 0xd1a0 #define PLA_TEREDO_TIMER 0xd2cc #define PLA_REALWOW_TIMER 0xd2e8 #define PLA_SUSPEND_FLAG 0xd38a @@ -274,7 +274,7 @@ #define TEREDO_RS_EVENT_MASK 0x00fe #define OOB_TEREDO_EN 0x0001 -/* PAL_BDC_CR */ +/* PLA_BDC_CR */ #define ALDPS_PROXY_MODE 0x0001 /* PLA_EFUSE_CMD */ @@ -3191,9 +3191,9 @@ static void r8152b_enter_oob(struct r8152 *tp) rtl_rx_vlan_en(tp, true); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BDC_CR); ocp_data |= ALDPS_PROXY_MODE; - ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_BDC_CR, ocp_data); ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; @@ -3577,9 +3577,9 @@ static void r8153_enter_oob(struct r8152 *tp) rtl_rx_vlan_en(tp, true); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BDC_CR); ocp_data |= ALDPS_PROXY_MODE; - ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_BDC_CR, ocp_data); ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c index a9ac3f37b904..e2e679a01b65 100644 --- a/drivers/net/wan/sdla.c +++ b/drivers/net/wan/sdla.c @@ -413,6 +413,7 @@ static void sdla_errors(struct net_device *dev, int cmd, int dlci, int ret, int case SDLA_RET_NO_BUFS: if (cmd == SDLA_INFORMATION_WRITE) break; + /* Else, fall through */ default: netdev_dbg(dev, "Cmd 0x%02X generated return code 0x%02X\n", diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h index d55312ef58c9..9b0bb89599fc 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h @@ -776,7 +776,6 @@ struct iwl_rss_config_cmd { u8 indirection_table[IWL_RSS_INDIRECTION_TABLE_SIZE]; } __packed; /* RSS_CONFIG_CMD_API_S_VER_1 */ -#define IWL_MULTI_QUEUE_SYNC_MSG_MAX_SIZE 128 #define IWL_MULTI_QUEUE_SYNC_SENDER_POS 0 #define IWL_MULTI_QUEUE_SYNC_SENDER_MSK 0xf @@ -812,10 +811,12 @@ struct iwl_rxq_sync_notification { * * @IWL_MVM_RXQ_EMPTY: empty sync notification * @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA + * @IWL_MVM_RXQ_NSSN_SYNC: notify all the RSS queues with the new NSSN */ enum iwl_mvm_rxq_notif_type { IWL_MVM_RXQ_EMPTY, IWL_MVM_RXQ_NOTIF_DEL_BA, + IWL_MVM_RXQ_NSSN_SYNC, }; /** diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index e411ac98290d..4d81776f576d 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2438,17 +2438,19 @@ static void iwl_fw_dbg_info_apply(struct iwl_fw_runtime *fwrt, { u32 img_name_len = le32_to_cpu(dbg_info->img_name_len); u32 dbg_cfg_name_len = le32_to_cpu(dbg_info->dbg_cfg_name_len); - const char err_str[] = - "WRT: ext=%d. Invalid %s name length %d, expected %d\n"; if (img_name_len != IWL_FW_INI_MAX_IMG_NAME_LEN) { - IWL_WARN(fwrt, err_str, ext, "image", img_name_len, + IWL_WARN(fwrt, + "WRT: ext=%d. Invalid image name length %d, expected %d\n", + ext, img_name_len, IWL_FW_INI_MAX_IMG_NAME_LEN); return; } if (dbg_cfg_name_len != IWL_FW_INI_MAX_DBG_CFG_NAME_LEN) { - IWL_WARN(fwrt, err_str, ext, "debug cfg", dbg_cfg_name_len, + IWL_WARN(fwrt, + "WRT: ext=%d. Invalid debug cfg name length %d, expected %d\n", + ext, dbg_cfg_name_len, IWL_FW_INI_MAX_DBG_CFG_NAME_LEN); return; } @@ -2775,8 +2777,6 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, struct iwl_ucode_tlv *tlv = iter; void *ini_tlv = (void *)tlv->data; u32 type = le32_to_cpu(tlv->type); - const char invalid_ap_str[] = - "WRT: ext=%d. Invalid apply point %d for %s\n"; switch (type) { case IWL_UCODE_TLV_TYPE_DEBUG_INFO: @@ -2786,8 +2786,9 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, struct iwl_fw_ini_allocation_data *buf_alloc = ini_tlv; if (pnt != IWL_FW_INI_APPLY_EARLY) { - IWL_ERR(fwrt, invalid_ap_str, ext, pnt, - "buffer allocation"); + IWL_ERR(fwrt, + "WRT: ext=%d. Invalid apply point %d for buffer allocation\n", + ext, pnt); goto next; } @@ -2797,8 +2798,9 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, } case IWL_UCODE_TLV_TYPE_HCMD: if (pnt < IWL_FW_INI_APPLY_AFTER_ALIVE) { - IWL_ERR(fwrt, invalid_ap_str, ext, pnt, - "host command"); + IWL_ERR(fwrt, + "WRT: ext=%d. Invalid apply point %d for host command\n", + ext, pnt); goto next; } iwl_fw_dbg_send_hcmd(fwrt, tlv, ext); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 57d09049e615..38672dd5aae9 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1640,6 +1640,8 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) init_completion(&drv->request_firmware_complete); INIT_LIST_HEAD(&drv->list); + iwl_load_fw_dbg_tlv(drv->trans->dev, drv->trans); + #ifdef CONFIG_IWLWIFI_DEBUGFS /* Create the device debugfs entries. */ drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), @@ -1660,8 +1662,8 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) err_fw: #ifdef CONFIG_IWLWIFI_DEBUGFS debugfs_remove_recursive(drv->dbgfs_drv); - iwl_fw_dbg_free(drv->trans); #endif + iwl_fw_dbg_free(drv->trans); kfree(drv); err: return ERR_PTR(ret); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 1d608e9e9101..5de54d1559dd 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -755,7 +755,7 @@ static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) for (i = 0; i < n_profiles; i++) { /* the tables start at element 3 */ - static int pos = 3; + int pos = 3; /* The EWRD profiles officially go from 2 to 4, but we * save them in sar_profiles[1-3] (because we don't @@ -880,6 +880,22 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); } +static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm) +{ + /* + * The GEO_TX_POWER_LIMIT command is not supported on earlier + * firmware versions. Unfortunately, we don't have a TLV API + * flag to rely on, so rely on the major version which is in + * the first byte of ucode_ver. This was implemented + * initially on version 38 and then backported to 36, 29 and + * 17. + */ + return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 || + IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 || + IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 || + IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17; +} + int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) { struct iwl_geo_tx_power_profiles_resp *resp; @@ -909,6 +925,9 @@ int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) .data = { data }, }; + if (!iwl_mvm_sar_geo_support(mvm)) + return -EOPNOTSUPP; + ret = iwl_mvm_send_cmd(mvm, &cmd); if (ret) { IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret); @@ -934,13 +953,7 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) int ret, i, j; u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT); - /* - * This command is not supported on earlier firmware versions. - * Unfortunately, we don't have a TLV API flag to rely on, so - * rely on the major version which is in the first byte of - * ucode_ver. - */ - if (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) < 41) + if (!iwl_mvm_sar_geo_support(mvm)) return 0; ret = iwl_mvm_sar_get_wgds_table(mvm); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 55cd49ccbf0b..1c904b5226aa 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -207,11 +207,11 @@ static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { }, }; -static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, - enum set_key_cmd cmd, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key); +static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, + enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key); void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) { @@ -474,7 +474,19 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); ieee80211_hw_set(hw, STA_MMPDU_TXQ); - ieee80211_hw_set(hw, TX_AMSDU); + /* + * On older devices, enabling TX A-MSDU occasionally leads to + * something getting messed up, the command read from the FIFO + * gets out of sync and isn't a TX command, so that we have an + * assert EDC. + * + * It's not clear where the bug is, but since we didn't used to + * support A-MSDU until moving the mac80211 iTXQs, just leave it + * for older devices. We also don't see this issue on any newer + * devices. + */ + if (mvm->cfg->device_family >= IWL_DEVICE_FAMILY_9000) + ieee80211_hw_set(hw, TX_AMSDU); ieee80211_hw_set(hw, TX_FRAG_LIST); if (iwl_mvm_has_tlc_offload(mvm)) { @@ -2726,7 +2738,7 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, mvmvif->ap_early_keys[i] = NULL; - ret = iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); + ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); if (ret) goto out_quota_failed; } @@ -3494,11 +3506,11 @@ static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, return ret; } -static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, - enum set_key_cmd cmd, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) +static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, + enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); @@ -3553,8 +3565,6 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, return -EOPNOTSUPP; } - mutex_lock(&mvm->mutex); - switch (cmd) { case SET_KEY: if ((vif->type == NL80211_IFTYPE_ADHOC || @@ -3700,7 +3710,22 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, ret = -EINVAL; } + return ret; +} + +static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, + enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + mutex_lock(&mvm->mutex); + ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); mutex_unlock(&mvm->mutex); + return ret; } @@ -5041,7 +5066,6 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; int ret; - lockdep_assert_held(&mvm->mutex); if (!iwl_mvm_has_new_rx_api(mvm)) return; @@ -5052,13 +5076,15 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, atomic_set(&mvm->queue_sync_counter, mvm->trans->num_rx_queues); - ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size); + ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, + size, !notif->sync); if (ret) { IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); goto out; } if (notif->sync) { + lockdep_assert_held(&mvm->mutex); ret = wait_event_timeout(mvm->rx_sync_waitq, atomic_read(&mvm->queue_sync_counter) == 0 || iwl_mvm_is_radio_killed(mvm), diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 48c77af54e99..a263cc629d75 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1664,9 +1664,9 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue); int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, - const u8 *data, u32 count); -void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - int queue); + const u8 *data, u32 count, bool async); +void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, int queue); void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); @@ -1813,7 +1813,7 @@ iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) #endif /* CONFIG_IWLWIFI_DEBUGFS */ /* rate scaling */ -int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool sync); +int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq); void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg); int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate); void rs_update_last_rssi(struct iwl_mvm *mvm, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c index 719f793b3487..a9bb43a2f27b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c @@ -620,7 +620,7 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, enum iwl_mcc_source src; char mcc[3]; struct ieee80211_regdomain *regd; - u32 wgds_tbl_idx; + int wgds_tbl_idx; lockdep_assert_held(&mvm->mutex); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index d7d6f3398f86..4888054dc3d8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1088,7 +1088,7 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, RX_QUEUES_NOTIFICATION))) - iwl_mvm_rx_queue_notif(mvm, rxb, 0); + iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) @@ -1812,7 +1812,7 @@ static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, RX_QUEUES_NOTIFICATION))) - iwl_mvm_rx_queue_notif(mvm, rxb, queue); + iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 8c9069f28a58..d3f04acfbacb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -1197,239 +1197,6 @@ static u8 rs_get_tid(struct ieee80211_hdr *hdr) return tid; } -void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - int tid, struct ieee80211_tx_info *info, bool ndp) -{ - int legacy_success; - int retries; - int i; - struct iwl_lq_cmd *table; - u32 lq_hwrate; - struct rs_rate lq_rate, tx_resp_rate; - struct iwl_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl; - u32 tlc_info = (uintptr_t)info->status.status_driver_data[0]; - u8 reduced_txp = tlc_info & RS_DRV_DATA_TXP_MSK; - u8 lq_color = RS_DRV_DATA_LQ_COLOR_GET(tlc_info); - u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1]; - struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv; - - /* Treat uninitialized rate scaling data same as non-existing. */ - if (!lq_sta) { - IWL_DEBUG_RATE(mvm, "Station rate scaling not created yet.\n"); - return; - } else if (!lq_sta->pers.drv) { - IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n"); - return; - } - - /* This packet was aggregated but doesn't carry status info */ - if ((info->flags & IEEE80211_TX_CTL_AMPDU) && - !(info->flags & IEEE80211_TX_STAT_AMPDU)) - return; - - if (rs_rate_from_ucode_rate(tx_resp_hwrate, info->band, - &tx_resp_rate)) { - WARN_ON_ONCE(1); - return; - } - -#ifdef CONFIG_MAC80211_DEBUGFS - /* Disable last tx check if we are debugging with fixed rate but - * update tx stats */ - if (lq_sta->pers.dbg_fixed_rate) { - int index = tx_resp_rate.index; - enum rs_column column; - int attempts, success; - - column = rs_get_column_from_rate(&tx_resp_rate); - if (WARN_ONCE(column == RS_COLUMN_INVALID, - "Can't map rate 0x%x to column", - tx_resp_hwrate)) - return; - - if (info->flags & IEEE80211_TX_STAT_AMPDU) { - attempts = info->status.ampdu_len; - success = info->status.ampdu_ack_len; - } else { - attempts = info->status.rates[0].count; - success = !!(info->flags & IEEE80211_TX_STAT_ACK); - } - - lq_sta->pers.tx_stats[column][index].total += attempts; - lq_sta->pers.tx_stats[column][index].success += success; - - IWL_DEBUG_RATE(mvm, "Fixed rate 0x%x success %d attempts %d\n", - tx_resp_hwrate, success, attempts); - return; - } -#endif - - if (time_after(jiffies, - (unsigned long)(lq_sta->last_tx + - (IWL_MVM_RS_IDLE_TIMEOUT * HZ)))) { - IWL_DEBUG_RATE(mvm, "Tx idle for too long. reinit rs\n"); - iwl_mvm_rs_rate_init(mvm, sta, info->band, true); - return; - } - lq_sta->last_tx = jiffies; - - /* Ignore this Tx frame response if its initial rate doesn't match - * that of latest Link Quality command. There may be stragglers - * from a previous Link Quality command, but we're no longer interested - * in those; they're either from the "active" mode while we're trying - * to check "search" mode, or a prior "search" mode after we've moved - * to a new "search" mode (which might become the new "active" mode). - */ - table = &lq_sta->lq; - lq_hwrate = le32_to_cpu(table->rs_table[0]); - if (rs_rate_from_ucode_rate(lq_hwrate, info->band, &lq_rate)) { - WARN_ON_ONCE(1); - return; - } - - /* Here we actually compare this rate to the latest LQ command */ - if (lq_color != LQ_FLAG_COLOR_GET(table->flags)) { - IWL_DEBUG_RATE(mvm, - "tx resp color 0x%x does not match 0x%x\n", - lq_color, LQ_FLAG_COLOR_GET(table->flags)); - - /* - * Since rates mis-match, the last LQ command may have failed. - * After IWL_MISSED_RATE_MAX mis-matches, resync the uCode with - * ... driver. - */ - lq_sta->missed_rate_counter++; - if (lq_sta->missed_rate_counter > IWL_MVM_RS_MISSED_RATE_MAX) { - lq_sta->missed_rate_counter = 0; - IWL_DEBUG_RATE(mvm, - "Too many rates mismatch. Send sync LQ. rs_state %d\n", - lq_sta->rs_state); - iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, false); - } - /* Regardless, ignore this status info for outdated rate */ - return; - } else - /* Rate did match, so reset the missed_rate_counter */ - lq_sta->missed_rate_counter = 0; - - if (!lq_sta->search_better_tbl) { - curr_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); - other_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]); - } else { - curr_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]); - other_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); - } - - if (WARN_ON_ONCE(!rs_rate_column_match(&lq_rate, &curr_tbl->rate))) { - IWL_DEBUG_RATE(mvm, - "Neither active nor search matches tx rate\n"); - tmp_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); - rs_dump_rate(mvm, &tmp_tbl->rate, "ACTIVE"); - tmp_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]); - rs_dump_rate(mvm, &tmp_tbl->rate, "SEARCH"); - rs_dump_rate(mvm, &lq_rate, "ACTUAL"); - - /* - * no matching table found, let's by-pass the data collection - * and continue to perform rate scale to find the rate table - */ - rs_stay_in_table(lq_sta, true); - goto done; - } - - /* - * Updating the frame history depends on whether packets were - * aggregated. - * - * For aggregation, all packets were transmitted at the same rate, the - * first index into rate scale table. - */ - if (info->flags & IEEE80211_TX_STAT_AMPDU) { - rs_collect_tpc_data(mvm, lq_sta, curr_tbl, tx_resp_rate.index, - info->status.ampdu_len, - info->status.ampdu_ack_len, - reduced_txp); - - /* ampdu_ack_len = 0 marks no BA was received. For TLC, treat - * it as a single frame loss as we don't want the success ratio - * to dip too quickly because a BA wasn't received. - * For TPC, there's no need for this optimisation since we want - * to recover very quickly from a bad power reduction and, - * therefore we'd like the success ratio to get an immediate hit - * when failing to get a BA, so we'd switch back to a lower or - * zero power reduction. When FW transmits agg with a rate - * different from the initial rate, it will not use reduced txp - * and will send BA notification twice (one empty with reduced - * txp equal to the value from LQ and one with reduced txp 0). - * We need to update counters for each txp level accordingly. - */ - if (info->status.ampdu_ack_len == 0) - info->status.ampdu_len = 1; - - rs_collect_tlc_data(mvm, mvmsta, tid, curr_tbl, tx_resp_rate.index, - info->status.ampdu_len, - info->status.ampdu_ack_len); - - /* Update success/fail counts if not searching for new mode */ - if (lq_sta->rs_state == RS_STATE_STAY_IN_COLUMN) { - lq_sta->total_success += info->status.ampdu_ack_len; - lq_sta->total_failed += (info->status.ampdu_len - - info->status.ampdu_ack_len); - } - } else { - /* For legacy, update frame history with for each Tx retry. */ - retries = info->status.rates[0].count - 1; - /* HW doesn't send more than 15 retries */ - retries = min(retries, 15); - - /* The last transmission may have been successful */ - legacy_success = !!(info->flags & IEEE80211_TX_STAT_ACK); - /* Collect data for each rate used during failed TX attempts */ - for (i = 0; i <= retries; ++i) { - lq_hwrate = le32_to_cpu(table->rs_table[i]); - if (rs_rate_from_ucode_rate(lq_hwrate, info->band, - &lq_rate)) { - WARN_ON_ONCE(1); - return; - } - - /* - * Only collect stats if retried rate is in the same RS - * table as active/search. - */ - if (rs_rate_column_match(&lq_rate, &curr_tbl->rate)) - tmp_tbl = curr_tbl; - else if (rs_rate_column_match(&lq_rate, - &other_tbl->rate)) - tmp_tbl = other_tbl; - else - continue; - - rs_collect_tpc_data(mvm, lq_sta, tmp_tbl, - tx_resp_rate.index, 1, - i < retries ? 0 : legacy_success, - reduced_txp); - rs_collect_tlc_data(mvm, mvmsta, tid, tmp_tbl, - tx_resp_rate.index, 1, - i < retries ? 0 : legacy_success); - } - - /* Update success/fail counts if not searching for new mode */ - if (lq_sta->rs_state == RS_STATE_STAY_IN_COLUMN) { - lq_sta->total_success += legacy_success; - lq_sta->total_failed += retries + (1 - legacy_success); - } - } - /* The last TX rate is cached in lq_sta; it's set in if/else above */ - lq_sta->last_rate_n_flags = lq_hwrate; - IWL_DEBUG_RATE(mvm, "reduced txpower: %d\n", reduced_txp); -done: - /* See if there's a better rate or modulation mode to try. */ - if (sta->supp_rates[info->band]) - rs_rate_scale_perform(mvm, sta, lq_sta, tid, ndp); -} - /* * mac80211 sends us Tx status */ @@ -1442,8 +1209,9 @@ static void rs_drv_mac80211_tx_status(void *mvm_r, struct iwl_op_mode *op_mode = mvm_r; struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - if (!iwl_mvm_sta_from_mac80211(sta)->vif) + if (!mvmsta->vif) return; if (!ieee80211_is_data(hdr->frame_control) || @@ -1584,6 +1352,18 @@ static void rs_set_expected_tpt_table(struct iwl_lq_sta *lq_sta, tbl->expected_tpt = rs_get_expected_tpt_table(lq_sta, column, rate->bw); } +/* rs uses two tables, one is active and the second is for searching better + * configuration. This function, according to the index of the currently + * active table returns the search table, which is located at the + * index complementary to 1 according to the active table (active = 1, + * search = 0 or active = 0, search = 1). + * Since lq_info is an arary of size 2, make sure index cannot be out of bounds. + */ +static inline u8 rs_search_tbl(u8 active_tbl) +{ + return (active_tbl ^ 1) & 1; +} + static s32 rs_get_best_rate(struct iwl_mvm *mvm, struct iwl_lq_sta *lq_sta, struct iwl_scale_tbl_info *tbl, /* "search" */ @@ -1794,7 +1574,7 @@ static void rs_update_rate_tbl(struct iwl_mvm *mvm, struct iwl_scale_tbl_info *tbl) { rs_fill_lq_cmd(mvm, sta, lq_sta, &tbl->rate); - iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, false); + iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq); } static bool rs_tweak_rate_tbl(struct iwl_mvm *mvm, @@ -1931,9 +1711,9 @@ static int rs_switch_to_column(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum rs_column col_id) { - struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + struct iwl_scale_tbl_info *tbl = &lq_sta->lq_info[lq_sta->active_tbl]; struct iwl_scale_tbl_info *search_tbl = - &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]); + &lq_sta->lq_info[rs_search_tbl(lq_sta->active_tbl)]; struct rs_rate *rate = &search_tbl->rate; const struct rs_tx_column *column = &rs_tx_columns[col_id]; const struct rs_tx_column *curr_column = &rs_tx_columns[tbl->column]; @@ -2341,7 +2121,7 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, if (!lq_sta->search_better_tbl) active_tbl = lq_sta->active_tbl; else - active_tbl = 1 - lq_sta->active_tbl; + active_tbl = rs_search_tbl(lq_sta->active_tbl); tbl = &(lq_sta->lq_info[active_tbl]); rate = &tbl->rate; @@ -2565,7 +2345,7 @@ lq_update: /* If new "search" mode was selected, set up in uCode table */ if (lq_sta->search_better_tbl) { /* Access the "search" table, clear its history. */ - tbl = &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]); + tbl = &lq_sta->lq_info[rs_search_tbl(lq_sta->active_tbl)]; rs_rate_scale_clear_tbl_windows(mvm, tbl); /* Use new "search" start rate */ @@ -2896,7 +2676,7 @@ void rs_update_last_rssi(struct iwl_mvm *mvm, static void rs_initialize_lq(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta, - enum nl80211_band band, bool update) + enum nl80211_band band) { struct iwl_scale_tbl_info *tbl; struct rs_rate *rate; @@ -2908,7 +2688,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm, if (!lq_sta->search_better_tbl) active_tbl = lq_sta->active_tbl; else - active_tbl = 1 - lq_sta->active_tbl; + active_tbl = rs_search_tbl(lq_sta->active_tbl); tbl = &(lq_sta->lq_info[active_tbl]); rate = &tbl->rate; @@ -2926,7 +2706,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm, rs_set_expected_tpt_table(lq_sta, tbl); rs_fill_lq_cmd(mvm, sta, lq_sta, rate); /* TODO restore station should remember the lq cmd */ - iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, !update); + iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq); } static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta, @@ -3175,7 +2955,7 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg) * Called after adding a new station to initialize rate scaling */ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - enum nl80211_band band, bool update) + enum nl80211_band band) { int i, j; struct ieee80211_hw *hw = mvm->hw; @@ -3186,6 +2966,8 @@ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct ieee80211_supported_band *sband; unsigned long supp; /* must be unsigned long for for_each_set_bit */ + lockdep_assert_held(&mvmsta->lq_sta.rs_drv.pers.lock); + /* clear all non-persistent lq data */ memset(lq_sta, 0, offsetof(typeof(*lq_sta), pers)); @@ -3255,7 +3037,7 @@ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, #ifdef CONFIG_IWLWIFI_DEBUGFS iwl_mvm_reset_frame_stats(mvm); #endif - rs_initialize_lq(mvm, sta, lq_sta, band, update); + rs_initialize_lq(mvm, sta, lq_sta, band); } static void rs_drv_rate_update(void *mvm_r, @@ -3278,6 +3060,258 @@ static void rs_drv_rate_update(void *mvm_r, iwl_mvm_rs_rate_init(mvm, sta, sband->band, true); } +static void __iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + int tid, struct ieee80211_tx_info *info, + bool ndp) +{ + int legacy_success; + int retries; + int i; + struct iwl_lq_cmd *table; + u32 lq_hwrate; + struct rs_rate lq_rate, tx_resp_rate; + struct iwl_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl; + u32 tlc_info = (uintptr_t)info->status.status_driver_data[0]; + u8 reduced_txp = tlc_info & RS_DRV_DATA_TXP_MSK; + u8 lq_color = RS_DRV_DATA_LQ_COLOR_GET(tlc_info); + u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1]; + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv; + + /* Treat uninitialized rate scaling data same as non-existing. */ + if (!lq_sta) { + IWL_DEBUG_RATE(mvm, "Station rate scaling not created yet.\n"); + return; + } else if (!lq_sta->pers.drv) { + IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n"); + return; + } + + /* This packet was aggregated but doesn't carry status info */ + if ((info->flags & IEEE80211_TX_CTL_AMPDU) && + !(info->flags & IEEE80211_TX_STAT_AMPDU)) + return; + + if (rs_rate_from_ucode_rate(tx_resp_hwrate, info->band, + &tx_resp_rate)) { + WARN_ON_ONCE(1); + return; + } + +#ifdef CONFIG_MAC80211_DEBUGFS + /* Disable last tx check if we are debugging with fixed rate but + * update tx stats + */ + if (lq_sta->pers.dbg_fixed_rate) { + int index = tx_resp_rate.index; + enum rs_column column; + int attempts, success; + + column = rs_get_column_from_rate(&tx_resp_rate); + if (WARN_ONCE(column == RS_COLUMN_INVALID, + "Can't map rate 0x%x to column", + tx_resp_hwrate)) + return; + + if (info->flags & IEEE80211_TX_STAT_AMPDU) { + attempts = info->status.ampdu_len; + success = info->status.ampdu_ack_len; + } else { + attempts = info->status.rates[0].count; + success = !!(info->flags & IEEE80211_TX_STAT_ACK); + } + + lq_sta->pers.tx_stats[column][index].total += attempts; + lq_sta->pers.tx_stats[column][index].success += success; + + IWL_DEBUG_RATE(mvm, "Fixed rate 0x%x success %d attempts %d\n", + tx_resp_hwrate, success, attempts); + return; + } +#endif + + if (time_after(jiffies, + (unsigned long)(lq_sta->last_tx + + (IWL_MVM_RS_IDLE_TIMEOUT * HZ)))) { + IWL_DEBUG_RATE(mvm, "Tx idle for too long. reinit rs\n"); + /* reach here only in case of driver RS, call directly + * the unlocked version + */ + rs_drv_rate_init(mvm, sta, info->band); + return; + } + lq_sta->last_tx = jiffies; + + /* Ignore this Tx frame response if its initial rate doesn't match + * that of latest Link Quality command. There may be stragglers + * from a previous Link Quality command, but we're no longer interested + * in those; they're either from the "active" mode while we're trying + * to check "search" mode, or a prior "search" mode after we've moved + * to a new "search" mode (which might become the new "active" mode). + */ + table = &lq_sta->lq; + lq_hwrate = le32_to_cpu(table->rs_table[0]); + if (rs_rate_from_ucode_rate(lq_hwrate, info->band, &lq_rate)) { + WARN_ON_ONCE(1); + return; + } + + /* Here we actually compare this rate to the latest LQ command */ + if (lq_color != LQ_FLAG_COLOR_GET(table->flags)) { + IWL_DEBUG_RATE(mvm, + "tx resp color 0x%x does not match 0x%x\n", + lq_color, LQ_FLAG_COLOR_GET(table->flags)); + + /* Since rates mis-match, the last LQ command may have failed. + * After IWL_MISSED_RATE_MAX mis-matches, resync the uCode with + * ... driver. + */ + lq_sta->missed_rate_counter++; + if (lq_sta->missed_rate_counter > IWL_MVM_RS_MISSED_RATE_MAX) { + lq_sta->missed_rate_counter = 0; + IWL_DEBUG_RATE(mvm, + "Too many rates mismatch. Send sync LQ. rs_state %d\n", + lq_sta->rs_state); + iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq); + } + /* Regardless, ignore this status info for outdated rate */ + return; + } + + /* Rate did match, so reset the missed_rate_counter */ + lq_sta->missed_rate_counter = 0; + + if (!lq_sta->search_better_tbl) { + curr_tbl = &lq_sta->lq_info[lq_sta->active_tbl]; + other_tbl = &lq_sta->lq_info[rs_search_tbl(lq_sta->active_tbl)]; + } else { + curr_tbl = &lq_sta->lq_info[rs_search_tbl(lq_sta->active_tbl)]; + other_tbl = &lq_sta->lq_info[lq_sta->active_tbl]; + } + + if (WARN_ON_ONCE(!rs_rate_column_match(&lq_rate, &curr_tbl->rate))) { + IWL_DEBUG_RATE(mvm, + "Neither active nor search matches tx rate\n"); + tmp_tbl = &lq_sta->lq_info[lq_sta->active_tbl]; + rs_dump_rate(mvm, &tmp_tbl->rate, "ACTIVE"); + tmp_tbl = &lq_sta->lq_info[rs_search_tbl(lq_sta->active_tbl)]; + rs_dump_rate(mvm, &tmp_tbl->rate, "SEARCH"); + rs_dump_rate(mvm, &lq_rate, "ACTUAL"); + + /* no matching table found, let's by-pass the data collection + * and continue to perform rate scale to find the rate table + */ + rs_stay_in_table(lq_sta, true); + goto done; + } + + /* Updating the frame history depends on whether packets were + * aggregated. + * + * For aggregation, all packets were transmitted at the same rate, the + * first index into rate scale table. + */ + if (info->flags & IEEE80211_TX_STAT_AMPDU) { + rs_collect_tpc_data(mvm, lq_sta, curr_tbl, tx_resp_rate.index, + info->status.ampdu_len, + info->status.ampdu_ack_len, + reduced_txp); + + /* ampdu_ack_len = 0 marks no BA was received. For TLC, treat + * it as a single frame loss as we don't want the success ratio + * to dip too quickly because a BA wasn't received. + * For TPC, there's no need for this optimisation since we want + * to recover very quickly from a bad power reduction and, + * therefore we'd like the success ratio to get an immediate hit + * when failing to get a BA, so we'd switch back to a lower or + * zero power reduction. When FW transmits agg with a rate + * different from the initial rate, it will not use reduced txp + * and will send BA notification twice (one empty with reduced + * txp equal to the value from LQ and one with reduced txp 0). + * We need to update counters for each txp level accordingly. + */ + if (info->status.ampdu_ack_len == 0) + info->status.ampdu_len = 1; + + rs_collect_tlc_data(mvm, mvmsta, tid, curr_tbl, + tx_resp_rate.index, + info->status.ampdu_len, + info->status.ampdu_ack_len); + + /* Update success/fail counts if not searching for new mode */ + if (lq_sta->rs_state == RS_STATE_STAY_IN_COLUMN) { + lq_sta->total_success += info->status.ampdu_ack_len; + lq_sta->total_failed += (info->status.ampdu_len - + info->status.ampdu_ack_len); + } + } else { + /* For legacy, update frame history with for each Tx retry. */ + retries = info->status.rates[0].count - 1; + /* HW doesn't send more than 15 retries */ + retries = min(retries, 15); + + /* The last transmission may have been successful */ + legacy_success = !!(info->flags & IEEE80211_TX_STAT_ACK); + /* Collect data for each rate used during failed TX attempts */ + for (i = 0; i <= retries; ++i) { + lq_hwrate = le32_to_cpu(table->rs_table[i]); + if (rs_rate_from_ucode_rate(lq_hwrate, info->band, + &lq_rate)) { + WARN_ON_ONCE(1); + return; + } + + /* Only collect stats if retried rate is in the same RS + * table as active/search. + */ + if (rs_rate_column_match(&lq_rate, &curr_tbl->rate)) + tmp_tbl = curr_tbl; + else if (rs_rate_column_match(&lq_rate, + &other_tbl->rate)) + tmp_tbl = other_tbl; + else + continue; + + rs_collect_tpc_data(mvm, lq_sta, tmp_tbl, + tx_resp_rate.index, 1, + i < retries ? 0 : legacy_success, + reduced_txp); + rs_collect_tlc_data(mvm, mvmsta, tid, tmp_tbl, + tx_resp_rate.index, 1, + i < retries ? 0 : legacy_success); + } + + /* Update success/fail counts if not searching for new mode */ + if (lq_sta->rs_state == RS_STATE_STAY_IN_COLUMN) { + lq_sta->total_success += legacy_success; + lq_sta->total_failed += retries + (1 - legacy_success); + } + } + /* The last TX rate is cached in lq_sta; it's set in if/else above */ + lq_sta->last_rate_n_flags = lq_hwrate; + IWL_DEBUG_RATE(mvm, "reduced txpower: %d\n", reduced_txp); +done: + /* See if there's a better rate or modulation mode to try. */ + if (sta->supp_rates[info->band]) + rs_rate_scale_perform(mvm, sta, lq_sta, tid, ndp); +} + +void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + int tid, struct ieee80211_tx_info *info, bool ndp) +{ + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + + /* If it's locked we are in middle of init flow + * just wait for next tx status to update the lq_sta data + */ + if (!spin_trylock(&mvmsta->lq_sta.rs_drv.pers.lock)) + return; + + __iwl_mvm_rs_tx_status(mvm, sta, tid, info, ndp); + spin_unlock(&mvmsta->lq_sta.rs_drv.pers.lock); +} + #ifdef CONFIG_MAC80211_DEBUGFS static void rs_build_rates_table_from_fixed(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq_cmd, @@ -3569,7 +3603,7 @@ static void rs_set_lq_ss_params(struct iwl_mvm *mvm, bfersta_ss_params &= ~LQ_SS_BFER_ALLOWED; bfersta_lq_cmd->ss_params = cpu_to_le32(bfersta_ss_params); - iwl_mvm_send_lq_cmd(mvm, bfersta_lq_cmd, false); + iwl_mvm_send_lq_cmd(mvm, bfersta_lq_cmd); ss_params |= LQ_SS_BFER_ALLOWED; IWL_DEBUG_RATE(mvm, @@ -3735,7 +3769,7 @@ static void rs_program_fix_rate(struct iwl_mvm *mvm, if (lq_sta->pers.dbg_fixed_rate) { rs_fill_lq_cmd(mvm, NULL, lq_sta, NULL); - iwl_mvm_send_lq_cmd(lq_sta->pers.drv, &lq_sta->lq, false); + iwl_mvm_send_lq_cmd(lq_sta->pers.drv, &lq_sta->lq); } } @@ -4132,10 +4166,15 @@ static const struct rate_control_ops rs_mvm_ops_drv = { void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum nl80211_band band, bool update) { - if (iwl_mvm_has_tlc_offload(mvm)) + if (iwl_mvm_has_tlc_offload(mvm)) { rs_fw_rate_init(mvm, sta, band, update); - else - rs_drv_rate_init(mvm, sta, band, update); + } else { + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + + spin_lock(&mvmsta->lq_sta.rs_drv.pers.lock); + rs_drv_rate_init(mvm, sta, band); + spin_unlock(&mvmsta->lq_sta.rs_drv.pers.lock); + } } int iwl_mvm_rate_control_register(void) @@ -4165,7 +4204,7 @@ static int rs_drv_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, lq->flags &= ~LQ_FLAG_USE_RTS_MSK; } - return iwl_mvm_send_lq_cmd(mvm, lq, false); + return iwl_mvm_send_lq_cmd(mvm, lq); } /** diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h index f7eb60dbaf20..428642e66658 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h @@ -4,7 +4,7 @@ * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2015 Intel Mobile Communications GmbH * Copyright(c) 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * Contact Information: * Intel Linux Wireless <linuxwifi@intel.com> @@ -390,6 +390,7 @@ struct iwl_lq_sta { s8 last_rssi; struct rs_rate_stats tx_stats[RS_COLUMN_COUNT][IWL_RATE_COUNT]; struct iwl_mvm *drv; + spinlock_t lock; /* for races in reinit/update table */ } pers; }; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 64f950501287..854edd7d7103 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -463,20 +463,22 @@ static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, } int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, - const u8 *data, u32 count) + const u8 *data, u32 count, bool async) { - struct iwl_rxq_sync_cmd *cmd; + u8 buf[sizeof(struct iwl_rxq_sync_cmd) + + sizeof(struct iwl_mvm_rss_sync_notif)]; + struct iwl_rxq_sync_cmd *cmd = (void *)buf; u32 data_size = sizeof(*cmd) + count; int ret; - /* should be DWORD aligned */ - if (WARN_ON(count & 3 || count > IWL_MULTI_QUEUE_SYNC_MSG_MAX_SIZE)) + /* + * size must be a multiple of DWORD + * Ensure we don't overflow buf + */ + if (WARN_ON(count & 3 || + count > sizeof(struct iwl_mvm_rss_sync_notif))) return -EINVAL; - cmd = kzalloc(data_size, GFP_KERNEL); - if (!cmd) - return -ENOMEM; - cmd->rxq_mask = cpu_to_le32(rxq_mask); cmd->count = cpu_to_le32(count); cmd->flags = 0; @@ -485,9 +487,8 @@ int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), - 0, data_size, cmd); + async ? CMD_ASYNC : 0, data_size, cmd); - kfree(cmd); return ret; } @@ -503,14 +504,31 @@ static bool iwl_mvm_is_sn_less(u16 sn1, u16 sn2, u16 buffer_size) !ieee80211_sn_less(sn1, sn2 - buffer_size); } +static void iwl_mvm_sync_nssn(struct iwl_mvm *mvm, u8 baid, u16 nssn) +{ + struct iwl_mvm_rss_sync_notif notif = { + .metadata.type = IWL_MVM_RXQ_NSSN_SYNC, + .metadata.sync = 0, + .nssn_sync.baid = baid, + .nssn_sync.nssn = nssn, + }; + + iwl_mvm_sync_rx_queues_internal(mvm, (void *)¬if, sizeof(notif)); +} + #define RX_REORDER_BUF_TIMEOUT_MQ (HZ / 10) +enum iwl_mvm_release_flags { + IWL_MVM_RELEASE_SEND_RSS_SYNC = BIT(0), + IWL_MVM_RELEASE_FROM_RSS_SYNC = BIT(1), +}; + static void iwl_mvm_release_frames(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct napi_struct *napi, struct iwl_mvm_baid_data *baid_data, struct iwl_mvm_reorder_buffer *reorder_buf, - u16 nssn) + u16 nssn, u32 flags) { struct iwl_mvm_reorder_buf_entry *entries = &baid_data->entries[reorder_buf->queue * @@ -519,6 +537,18 @@ static void iwl_mvm_release_frames(struct iwl_mvm *mvm, lockdep_assert_held(&reorder_buf->lock); + /* + * We keep the NSSN not too far behind, if we are sync'ing it and it + * is more than 2048 ahead of us, it must be behind us. Discard it. + * This can happen if the queue that hit the 0 / 2048 seqno was lagging + * behind and this queue already processed packets. The next if + * would have caught cases where this queue would have processed less + * than 64 packets, but it may have processed more than 64 packets. + */ + if ((flags & IWL_MVM_RELEASE_FROM_RSS_SYNC) && + ieee80211_sn_less(nssn, ssn)) + goto set_timer; + /* ignore nssn smaller than head sn - this can happen due to timeout */ if (iwl_mvm_is_sn_less(nssn, ssn, reorder_buf->buf_size)) goto set_timer; @@ -529,6 +559,9 @@ static void iwl_mvm_release_frames(struct iwl_mvm *mvm, struct sk_buff *skb; ssn = ieee80211_sn_inc(ssn); + if ((flags & IWL_MVM_RELEASE_SEND_RSS_SYNC) && + (ssn == 2048 || ssn == 0)) + iwl_mvm_sync_nssn(mvm, baid_data->baid, ssn); /* * Empty the list. Will have more than one frame for A-MSDU. @@ -615,7 +648,8 @@ void iwl_mvm_reorder_timer_expired(struct timer_list *t) sta_id, sn); iwl_mvm_event_frame_timeout_callback(buf->mvm, mvmsta->vif, sta, baid_data->tid); - iwl_mvm_release_frames(buf->mvm, sta, NULL, baid_data, buf, sn); + iwl_mvm_release_frames(buf->mvm, sta, NULL, baid_data, + buf, sn, IWL_MVM_RELEASE_SEND_RSS_SYNC); rcu_read_unlock(); } else { /* @@ -657,7 +691,8 @@ static void iwl_mvm_del_ba(struct iwl_mvm *mvm, int queue, spin_lock_bh(&reorder_buf->lock); iwl_mvm_release_frames(mvm, sta, NULL, ba_data, reorder_buf, ieee80211_sn_add(reorder_buf->head_sn, - reorder_buf->buf_size)); + reorder_buf->buf_size), + 0); spin_unlock_bh(&reorder_buf->lock); del_timer_sync(&reorder_buf->reorder_timer); @@ -665,8 +700,54 @@ out: rcu_read_unlock(); } -void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - int queue) +static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm, + struct napi_struct *napi, + u8 baid, u16 nssn, int queue, + u32 flags) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_reorder_buffer *reorder_buf; + struct iwl_mvm_baid_data *ba_data; + + IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n", + baid, nssn); + + if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID || + baid >= ARRAY_SIZE(mvm->baid_map))) + return; + + rcu_read_lock(); + + ba_data = rcu_dereference(mvm->baid_map[baid]); + if (WARN_ON_ONCE(!ba_data)) + goto out; + + sta = rcu_dereference(mvm->fw_id_to_mac_id[ba_data->sta_id]); + if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) + goto out; + + reorder_buf = &ba_data->reorder_buf[queue]; + + spin_lock_bh(&reorder_buf->lock); + iwl_mvm_release_frames(mvm, sta, napi, ba_data, + reorder_buf, nssn, flags); + spin_unlock_bh(&reorder_buf->lock); + +out: + rcu_read_unlock(); +} + +static void iwl_mvm_nssn_sync(struct iwl_mvm *mvm, + struct napi_struct *napi, int queue, + const struct iwl_mvm_nssn_sync_data *data) +{ + iwl_mvm_release_frames_from_notif(mvm, napi, data->baid, + data->nssn, queue, + IWL_MVM_RELEASE_FROM_RSS_SYNC); +} + +void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, int queue) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_rxq_sync_notification *notif; @@ -687,6 +768,10 @@ void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, case IWL_MVM_RXQ_NOTIF_DEL_BA: iwl_mvm_del_ba(mvm, queue, (void *)internal_notif->data); break; + case IWL_MVM_RXQ_NSSN_SYNC: + iwl_mvm_nssn_sync(mvm, napi, queue, + (void *)internal_notif->data); + break; default: WARN_ONCE(1, "Invalid identifier %d", internal_notif->type); } @@ -785,7 +870,8 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, } if (ieee80211_is_back_req(hdr->frame_control)) { - iwl_mvm_release_frames(mvm, sta, napi, baid_data, buffer, nssn); + iwl_mvm_release_frames(mvm, sta, napi, baid_data, + buffer, nssn, 0); goto drop; } @@ -794,7 +880,10 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, * If the SN is smaller than the NSSN it might need to first go into * the reorder buffer, in which case we just release up to it and the * rest of the function will take care of storing it and releasing up to - * the nssn + * the nssn. + * This should not happen. This queue has been lagging and it should + * have been updated by a IWL_MVM_RXQ_NSSN_SYNC notification. Be nice + * and update the other queues. */ if (!iwl_mvm_is_sn_less(nssn, buffer->head_sn + buffer->buf_size, buffer->buf_size) || @@ -802,7 +891,7 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, u16 min_sn = ieee80211_sn_less(sn, nssn) ? sn : nssn; iwl_mvm_release_frames(mvm, sta, napi, baid_data, buffer, - min_sn); + min_sn, IWL_MVM_RELEASE_SEND_RSS_SYNC); } /* drop any oudated packets */ @@ -813,8 +902,23 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) { if (iwl_mvm_is_sn_less(buffer->head_sn, nssn, buffer->buf_size) && - (!amsdu || last_subframe)) + (!amsdu || last_subframe)) { + /* + * If we crossed the 2048 or 0 SN, notify all the + * queues. This is done in order to avoid having a + * head_sn that lags behind for too long. When that + * happens, we can get to a situation where the head_sn + * is within the interval [nssn - buf_size : nssn] + * which will make us think that the nssn is a packet + * that we already freed because of the reordering + * buffer and we will ignore it. So maintain the + * head_sn somewhat updated across all the queues: + * when it crosses 0 and 2048. + */ + if (sn == 2048 || sn == 0) + iwl_mvm_sync_nssn(mvm, baid, sn); buffer->head_sn = nssn; + } /* No need to update AMSDU last SN - we are moving the head */ spin_unlock_bh(&buffer->lock); return false; @@ -829,8 +933,11 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, * while technically there is no hole and we can move forward. */ if (!buffer->num_stored && sn == buffer->head_sn) { - if (!amsdu || last_subframe) + if (!amsdu || last_subframe) { + if (sn == 2048 || sn == 0) + iwl_mvm_sync_nssn(mvm, baid, sn); buffer->head_sn = ieee80211_sn_inc(buffer->head_sn); + } /* No need to update AMSDU last SN - we are moving the head */ spin_unlock_bh(&buffer->lock); return false; @@ -875,7 +982,9 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, * release notification with up to date NSSN. */ if (!amsdu || last_subframe) - iwl_mvm_release_frames(mvm, sta, napi, baid_data, buffer, nssn); + iwl_mvm_release_frames(mvm, sta, napi, baid_data, + buffer, nssn, + IWL_MVM_RELEASE_SEND_RSS_SYNC); spin_unlock_bh(&buffer->lock); return true; @@ -1840,40 +1949,14 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, out: rcu_read_unlock(); } + void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_frame_release *release = (void *)pkt->data; - struct ieee80211_sta *sta; - struct iwl_mvm_reorder_buffer *reorder_buf; - struct iwl_mvm_baid_data *ba_data; - - int baid = release->baid; - - IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n", - release->baid, le16_to_cpu(release->nssn)); - if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID)) - return; - - rcu_read_lock(); - - ba_data = rcu_dereference(mvm->baid_map[baid]); - if (WARN_ON_ONCE(!ba_data)) - goto out; - - sta = rcu_dereference(mvm->fw_id_to_mac_id[ba_data->sta_id]); - if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) - goto out; - - reorder_buf = &ba_data->reorder_buf[queue]; - - spin_lock_bh(&reorder_buf->lock); - iwl_mvm_release_frames(mvm, sta, napi, ba_data, reorder_buf, - le16_to_cpu(release->nssn)); - spin_unlock_bh(&reorder_buf->lock); - -out: - rcu_read_unlock(); + iwl_mvm_release_frames_from_notif(mvm, napi, release->baid, + le16_to_cpu(release->nssn), + queue, 0); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index f545a737a92d..10f18536dd0d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -1684,6 +1684,8 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, */ if (iwl_mvm_has_tlc_offload(mvm)) iwl_mvm_rs_add_sta(mvm, mvm_sta); + else + spin_lock_init(&mvm_sta->lq_sta.rs_drv.pers.lock); iwl_mvm_toggle_tx_ant(mvm, &mvm_sta->tx_ant); @@ -2421,7 +2423,7 @@ int iwl_mvm_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) static void iwl_mvm_sync_rxq_del_ba(struct iwl_mvm *mvm, u8 baid) { - struct iwl_mvm_delba_notif notif = { + struct iwl_mvm_rss_sync_notif notif = { .metadata.type = IWL_MVM_RXQ_NOTIF_DEL_BA, .metadata.sync = 1, .delba.baid = baid, @@ -2972,7 +2974,7 @@ out: IWL_DEBUG_HT(mvm, "Tx aggregation enabled on ra = %pM tid = %d\n", sta->addr, tid); - return iwl_mvm_send_lq_cmd(mvm, &mvmsta->lq_sta.rs_drv.lq, false); + return iwl_mvm_send_lq_cmd(mvm, &mvmsta->lq_sta.rs_drv.lq); } static void iwl_mvm_unreserve_agg_queue(struct iwl_mvm *mvm, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h index 4487cc3e07c1..8d70093847cb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h @@ -343,9 +343,17 @@ struct iwl_mvm_delba_data { u32 baid; } __packed; -struct iwl_mvm_delba_notif { +struct iwl_mvm_nssn_sync_data { + u32 baid; + u32 nssn; +} __packed; + +struct iwl_mvm_rss_sync_notif { struct iwl_mvm_internal_rxq_notif metadata; - struct iwl_mvm_delba_data delba; + union { + struct iwl_mvm_delba_data delba; + struct iwl_mvm_nssn_sync_data nssn_sync; + }; } __packed; /** diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index a3e5d88f1c07..6ac114a393cc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -831,6 +831,7 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes, unsigned int tcp_payload_len; unsigned int mss = skb_shinfo(skb)->gso_size; bool ipv4 = (skb->protocol == htons(ETH_P_IP)); + bool qos = ieee80211_is_data_qos(hdr->frame_control); u16 ip_base_id = ipv4 ? ntohs(ip_hdr(skb)->id) : 0; skb_shinfo(skb)->gso_size = num_subframes * mss; @@ -864,7 +865,7 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes, if (tcp_payload_len > mss) { skb_shinfo(tmp)->gso_size = mss; } else { - if (ieee80211_is_data_qos(hdr->frame_control)) { + if (qos) { u8 *qc; if (ipv4) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index 9ecd5f09615a..b8e20a01c192 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -653,12 +653,12 @@ int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id, * this case to clear the state indicating that station creation is in * progress. */ -int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool sync) +int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq) { struct iwl_host_cmd cmd = { .id = LQ_CMD, .len = { sizeof(struct iwl_lq_cmd), }, - .flags = sync ? 0 : CMD_ASYNC, + .flags = CMD_ASYNC, .data = { lq, }, }; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index ea2a03d4bf55..de711c1160d3 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -604,10 +604,13 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x2526, 0x40A4, iwl9460_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x4234, iwl9560_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x2526, 0x42A4, iwl9462_2ac_cfg_soc)}, + {IWL_PCI_DEVICE(0x2526, 0x6010, iwl9260_2ac_160_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x6014, iwl9260_2ac_160_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x8014, iwl9260_2ac_160_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x8010, iwl9260_2ac_160_cfg)}, {IWL_PCI_DEVICE(0x2526, 0xA014, iwl9260_2ac_160_cfg)}, + {IWL_PCI_DEVICE(0x2526, 0xE010, iwl9260_2ac_160_cfg)}, + {IWL_PCI_DEVICE(0x2526, 0xE014, iwl9260_2ac_160_cfg)}, {IWL_PCI_DEVICE(0x271B, 0x0010, iwl9160_2ac_cfg)}, {IWL_PCI_DEVICE(0x271B, 0x0014, iwl9160_2ac_cfg)}, {IWL_PCI_DEVICE(0x271B, 0x0210, iwl9160_2ac_cfg)}, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index fa4245d0d4a8..2f0ba7ef53b8 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -435,6 +435,8 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans, DMA_TO_DEVICE); } + meta->tbs = 0; + if (trans->cfg->use_tfh) { struct iwl_tfh_tfd *tfd_fh = (void *)tfd; diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 519b4ee88c5c..772e54f0696f 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3617,10 +3617,12 @@ static int hwsim_dump_radio_nl(struct sk_buff *skb, hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, &hwsim_genl_family, NLM_F_MULTI, HWSIM_CMD_GET_RADIO); - if (!hdr) + if (hdr) { + genl_dump_check_consistent(cb, hdr); + genlmsg_end(skb, hdr); + } else { res = -EMSGSIZE; - genl_dump_check_consistent(cb, hdr); - genlmsg_end(skb, hdr); + } } done: diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h index 3e442c7f7882..095837fba300 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.h +++ b/drivers/net/wireless/marvell/mwifiex/main.h @@ -124,6 +124,7 @@ enum { #define MWIFIEX_MAX_TOTAL_SCAN_TIME (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S) +#define WPA_GTK_OUI_OFFSET 2 #define RSN_GTK_OUI_OFFSET 2 #define MWIFIEX_OUI_NOT_PRESENT 0 diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 0d6d41727037..21dda385f6c6 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -181,7 +181,8 @@ mwifiex_is_wpa_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher) u8 ret = MWIFIEX_OUI_NOT_PRESENT; if (has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC)) { - iebody = (struct ie_body *) bss_desc->bcn_wpa_ie->data; + iebody = (struct ie_body *)((u8 *)bss_desc->bcn_wpa_ie->data + + WPA_GTK_OUI_OFFSET); oui = &mwifiex_wpa_oui[cipher][0]; ret = mwifiex_search_oui_in_ie(iebody, oui); if (ret) diff --git a/drivers/nfc/nfcmrvl/main.c b/drivers/nfc/nfcmrvl/main.c index e65d027b91fa..529be35ac178 100644 --- a/drivers/nfc/nfcmrvl/main.c +++ b/drivers/nfc/nfcmrvl/main.c @@ -244,7 +244,7 @@ void nfcmrvl_chip_reset(struct nfcmrvl_private *priv) /* Reset possible fault of previous session */ clear_bit(NFCMRVL_PHY_ERROR, &priv->flags); - if (priv->config.reset_n_io) { + if (gpio_is_valid(priv->config.reset_n_io)) { nfc_info(priv->dev, "reset the chip\n"); gpio_set_value(priv->config.reset_n_io, 0); usleep_range(5000, 10000); @@ -255,7 +255,7 @@ void nfcmrvl_chip_reset(struct nfcmrvl_private *priv) void nfcmrvl_chip_halt(struct nfcmrvl_private *priv) { - if (priv->config.reset_n_io) + if (gpio_is_valid(priv->config.reset_n_io)) gpio_set_value(priv->config.reset_n_io, 0); } diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c index 9a22056e8d9e..e5a622ce4b95 100644 --- a/drivers/nfc/nfcmrvl/uart.c +++ b/drivers/nfc/nfcmrvl/uart.c @@ -26,7 +26,7 @@ static unsigned int hci_muxed; static unsigned int flow_control; static unsigned int break_control; -static unsigned int reset_n_io; +static int reset_n_io = -EINVAL; /* ** NFCMRVL NCI OPS @@ -231,5 +231,5 @@ MODULE_PARM_DESC(break_control, "Tell if UART driver must drive break signal."); module_param(hci_muxed, uint, 0); MODULE_PARM_DESC(hci_muxed, "Tell if transport is muxed in HCI one."); -module_param(reset_n_io, uint, 0); +module_param(reset_n_io, int, 0); MODULE_PARM_DESC(reset_n_io, "GPIO that is wired to RESET_N signal."); diff --git a/drivers/nfc/nfcmrvl/usb.c b/drivers/nfc/nfcmrvl/usb.c index 945cc903d8f1..888e298f610b 100644 --- a/drivers/nfc/nfcmrvl/usb.c +++ b/drivers/nfc/nfcmrvl/usb.c @@ -305,6 +305,7 @@ static int nfcmrvl_probe(struct usb_interface *intf, /* No configuration for USB */ memset(&config, 0, sizeof(config)); + config.reset_n_io = -EINVAL; nfc_info(&udev->dev, "intf %p id %p\n", intf, id); diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index c3e10b6ab3a4..f25f1ec5f9e9 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -333,6 +333,8 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev, transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev, skb->len - 2, GFP_KERNEL); + if (!transaction) + return -ENOMEM; transaction->aid_len = skb->data[1]; memcpy(transaction->aid, &skb->data[2], transaction->aid_len); diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c index 06fc542fd198..6586378cacb0 100644 --- a/drivers/nfc/st21nfca/se.c +++ b/drivers/nfc/st21nfca/se.c @@ -317,6 +317,8 @@ int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host, transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev, skb->len - 2, GFP_KERNEL); + if (!transaction) + return -ENOMEM; transaction->aid_len = skb->data[1]; memcpy(transaction->aid, &skb->data[2], diff --git a/drivers/nvmem/nvmem-sysfs.c b/drivers/nvmem/nvmem-sysfs.c index 6f303b91f6e7..9e0c429cd08a 100644 --- a/drivers/nvmem/nvmem-sysfs.c +++ b/drivers/nvmem/nvmem-sysfs.c @@ -224,10 +224,17 @@ int nvmem_sysfs_setup_compat(struct nvmem_device *nvmem, if (!config->base_dev) return -EINVAL; - if (nvmem->read_only) - nvmem->eeprom = bin_attr_ro_root_nvmem; - else - nvmem->eeprom = bin_attr_rw_root_nvmem; + if (nvmem->read_only) { + if (config->root_only) + nvmem->eeprom = bin_attr_ro_root_nvmem; + else + nvmem->eeprom = bin_attr_ro_nvmem; + } else { + if (config->root_only) + nvmem->eeprom = bin_attr_rw_root_nvmem; + else + nvmem->eeprom = bin_attr_rw_nvmem; + } nvmem->eeprom.attr.name = "eeprom"; nvmem->eeprom.size = nvmem->size; #ifdef CONFIG_DEBUG_LOCK_ALLOC diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 29ed5ec1ac27..1b27b5af3d55 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1025,10 +1025,15 @@ static void __pci_start_power_transition(struct pci_dev *dev, pci_power_t state) if (state == PCI_D0) { pci_platform_power_transition(dev, PCI_D0); /* - * Mandatory power management transition delays are - * handled in the PCIe portdrv resume hooks. + * Mandatory power management transition delays, see + * PCI Express Base Specification Revision 2.0 Section + * 6.6.1: Conventional Reset. Do not delay for + * devices powered on/off by corresponding bridge, + * because have already delayed for the bridge. */ if (dev->runtime_d3cold) { + if (dev->d3cold_delay && !dev->imm_ready) + msleep(dev->d3cold_delay); /* * When powering on a bridge from D3cold, the * whole hierarchy may be powered on into @@ -4602,16 +4607,14 @@ static int pci_pm_reset(struct pci_dev *dev, int probe) return pci_dev_wait(dev, "PM D3->D0", PCIE_RESET_READY_POLL_MS); } - /** - * pcie_wait_for_link_delay - Wait until link is active or inactive + * pcie_wait_for_link - Wait until link is active or inactive * @pdev: Bridge device * @active: waiting for active or inactive? - * @delay: Delay to wait after link has become active (in ms) * * Use this to wait till link becomes active or inactive. */ -bool pcie_wait_for_link_delay(struct pci_dev *pdev, bool active, int delay) +bool pcie_wait_for_link(struct pci_dev *pdev, bool active) { int timeout = 1000; bool ret; @@ -4648,25 +4651,13 @@ bool pcie_wait_for_link_delay(struct pci_dev *pdev, bool active, int delay) timeout -= 10; } if (active && ret) - msleep(delay); + msleep(100); else if (ret != active) pci_info(pdev, "Data Link Layer Link Active not %s in 1000 msec\n", active ? "set" : "cleared"); return ret == active; } -/** - * pcie_wait_for_link - Wait until link is active or inactive - * @pdev: Bridge device - * @active: waiting for active or inactive? - * - * Use this to wait till link becomes active or inactive. - */ -bool pcie_wait_for_link(struct pci_dev *pdev, bool active) -{ - return pcie_wait_for_link_delay(pdev, active, 100); -} - void pci_reset_secondary_bus(struct pci_dev *dev) { u16 ctrl; diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 1be03a97cb92..d22d1b807701 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -497,7 +497,6 @@ static inline int pci_dev_specific_disable_acs_redir(struct pci_dev *dev) void pcie_do_recovery(struct pci_dev *dev, enum pci_channel_state state, u32 service); -bool pcie_wait_for_link_delay(struct pci_dev *pdev, bool active, int delay); bool pcie_wait_for_link(struct pci_dev *pdev, bool active); #ifdef CONFIG_PCIEASPM void pcie_aspm_init_link_state(struct pci_dev *pdev); diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index 308c3e0c4a34..1b330129089f 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -9,7 +9,6 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/kernel.h> -#include <linux/delay.h> #include <linux/errno.h> #include <linux/pm.h> #include <linux/pm_runtime.h> @@ -379,67 +378,6 @@ static int pm_iter(struct device *dev, void *data) return 0; } -static int get_downstream_delay(struct pci_bus *bus) -{ - struct pci_dev *pdev; - int min_delay = 100; - int max_delay = 0; - - list_for_each_entry(pdev, &bus->devices, bus_list) { - if (!pdev->imm_ready) - min_delay = 0; - else if (pdev->d3cold_delay < min_delay) - min_delay = pdev->d3cold_delay; - if (pdev->d3cold_delay > max_delay) - max_delay = pdev->d3cold_delay; - } - - return max(min_delay, max_delay); -} - -/* - * wait_for_downstream_link - Wait for downstream link to establish - * @pdev: PCIe port whose downstream link is waited - * - * Handle delays according to PCIe 4.0 section 6.6.1 before configuration - * access to the downstream component is permitted. - * - * This blocks PCI core resume of the hierarchy below this port until the - * link is trained. Should be called before resuming port services to - * prevent pciehp from starting to tear-down the hierarchy too soon. - */ -static void wait_for_downstream_link(struct pci_dev *pdev) -{ - int delay; - - if (pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT && - pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM) - return; - - if (pci_dev_is_disconnected(pdev)) - return; - - if (!pdev->subordinate || list_empty(&pdev->subordinate->devices) || - !pdev->bridge_d3) - return; - - delay = get_downstream_delay(pdev->subordinate); - if (!delay) - return; - - dev_dbg(&pdev->dev, "waiting downstream link for %d ms\n", delay); - - /* - * If downstream port does not support speeds greater than 5 GT/s - * need to wait 100ms. For higher speeds (gen3) we need to wait - * first for the data link layer to become active. - */ - if (pcie_get_speed_cap(pdev) <= PCIE_SPEED_5_0GT) - msleep(delay); - else - pcie_wait_for_link_delay(pdev, true, delay); -} - /** * pcie_port_device_suspend - suspend port services associated with a PCIe port * @dev: PCI Express port to handle @@ -453,8 +391,6 @@ int pcie_port_device_suspend(struct device *dev) int pcie_port_device_resume_noirq(struct device *dev) { size_t off = offsetof(struct pcie_port_service_driver, resume_noirq); - - wait_for_downstream_link(to_pci_dev(dev)); return device_for_each_child(dev, &off, pm_iter); } @@ -485,8 +421,6 @@ int pcie_port_device_runtime_suspend(struct device *dev) int pcie_port_device_runtime_resume(struct device *dev) { size_t off = offsetof(struct pcie_port_service_driver, runtime_resume); - - wait_for_downstream_link(to_pci_dev(dev)); return device_for_each_child(dev, &off, pm_iter); } #endif /* PM */ diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c index eb6168e6ac43..590e594092f2 100644 --- a/drivers/pcmcia/db1xxx_ss.c +++ b/drivers/pcmcia/db1xxx_ss.c @@ -255,8 +255,10 @@ static int db1x_pcmcia_configure(struct pcmcia_socket *skt, switch (state->Vcc) { case 50: ++v; + /* fall through */ case 33: ++v; + /* fall through */ case 0: break; default: @@ -267,9 +269,11 @@ static int db1x_pcmcia_configure(struct pcmcia_socket *skt, switch (state->Vpp) { case 12: ++p; + /* fall through */ case 33: case 50: ++p; + /* fall through */ case 0: break; default: diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 2d06b8095a19..df352b334ea7 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -723,8 +723,8 @@ static int cpu_pm_pmu_notify(struct notifier_block *b, unsigned long cmd, cpu_pm_pmu_setup(armpmu, cmd); break; case CPU_PM_EXIT: - cpu_pm_pmu_setup(armpmu, cmd); case CPU_PM_ENTER_FAILED: + cpu_pm_pmu_setup(armpmu, cmd); armpmu->start(armpmu); break; default: diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c index 384396cbb22d..22256576b69a 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c @@ -2412,7 +2412,7 @@ static const struct aspeed_pin_config aspeed_g4_configs[] = { { PIN_CONFIG_INPUT_DEBOUNCE, { C14, B14 }, SCUA8, 27 }, }; -static int aspeed_g4_sig_expr_set(const struct aspeed_pinmux_data *ctx, +static int aspeed_g4_sig_expr_set(struct aspeed_pinmux_data *ctx, const struct aspeed_sig_expr *expr, bool enable) { diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c index 053101f795a2..ba6438ac4d72 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c @@ -2507,6 +2507,61 @@ static struct aspeed_pin_config aspeed_g5_configs[] = { { PIN_CONFIG_INPUT_DEBOUNCE, { A20, B19 }, SCUA8, 27 }, }; +static struct regmap *aspeed_g5_acquire_regmap(struct aspeed_pinmux_data *ctx, + int ip) +{ + if (ip == ASPEED_IP_SCU) { + WARN(!ctx->maps[ip], "Missing SCU syscon!"); + return ctx->maps[ip]; + } + + if (ip >= ASPEED_NR_PINMUX_IPS) + return ERR_PTR(-EINVAL); + + if (likely(ctx->maps[ip])) + return ctx->maps[ip]; + + if (ip == ASPEED_IP_GFX) { + struct device_node *node; + struct regmap *map; + + node = of_parse_phandle(ctx->dev->of_node, + "aspeed,external-nodes", 0); + if (node) { + map = syscon_node_to_regmap(node); + of_node_put(node); + if (IS_ERR(map)) + return map; + } else + return ERR_PTR(-ENODEV); + + ctx->maps[ASPEED_IP_GFX] = map; + dev_dbg(ctx->dev, "Acquired GFX regmap"); + return map; + } + + if (ip == ASPEED_IP_LPC) { + struct device_node *node; + struct regmap *map; + + node = of_parse_phandle(ctx->dev->of_node, + "aspeed,external-nodes", 1); + if (node) { + map = syscon_node_to_regmap(node->parent); + of_node_put(node); + if (IS_ERR(map)) + return map; + } else + map = ERR_PTR(-ENODEV); + + ctx->maps[ASPEED_IP_LPC] = map; + dev_dbg(ctx->dev, "Acquired LPC regmap"); + return map; + } + + return ERR_PTR(-EINVAL); +} + /** * Configure a pin's signal by applying an expression's descriptor state for * all descriptors in the expression. @@ -2520,7 +2575,7 @@ static struct aspeed_pin_config aspeed_g5_configs[] = { * Return: 0 if the expression is configured as requested and a negative error * code otherwise */ -static int aspeed_g5_sig_expr_set(const struct aspeed_pinmux_data *ctx, +static int aspeed_g5_sig_expr_set(struct aspeed_pinmux_data *ctx, const struct aspeed_sig_expr *expr, bool enable) { @@ -2531,9 +2586,15 @@ static int aspeed_g5_sig_expr_set(const struct aspeed_pinmux_data *ctx, const struct aspeed_sig_desc *desc = &expr->descs[i]; u32 pattern = enable ? desc->enable : desc->disable; u32 val = (pattern << __ffs(desc->mask)); + struct regmap *map; - if (!ctx->maps[desc->ip]) - return -ENODEV; + map = aspeed_g5_acquire_regmap(ctx, desc->ip); + if (IS_ERR(map)) { + dev_err(ctx->dev, + "Failed to acquire regmap for IP block %d\n", + desc->ip); + return PTR_ERR(map); + } /* * Strap registers are configured in hardware or by early-boot @@ -2641,34 +2702,11 @@ static struct pinctrl_desc aspeed_g5_pinctrl_desc = { static int aspeed_g5_pinctrl_probe(struct platform_device *pdev) { int i; - struct regmap *map; - struct device_node *node; for (i = 0; i < ARRAY_SIZE(aspeed_g5_pins); i++) aspeed_g5_pins[i].number = i; - node = of_parse_phandle(pdev->dev.of_node, "aspeed,external-nodes", 0); - map = syscon_node_to_regmap(node); - of_node_put(node); - if (IS_ERR(map)) { - dev_warn(&pdev->dev, "No GFX phandle found, some mux configurations may fail\n"); - map = NULL; - } - aspeed_g5_pinctrl_data.pinmux.maps[ASPEED_IP_GFX] = map; - - node = of_parse_phandle(pdev->dev.of_node, "aspeed,external-nodes", 1); - if (node) { - map = syscon_node_to_regmap(node->parent); - if (IS_ERR(map)) { - dev_warn(&pdev->dev, "LHC parent is not a syscon, some mux configurations may fail\n"); - map = NULL; - } - } else { - dev_warn(&pdev->dev, "No LHC phandle found, some mux configurations may fail\n"); - map = NULL; - } - of_node_put(node); - aspeed_g5_pinctrl_data.pinmux.maps[ASPEED_IP_LPC] = map; + aspeed_g5_pinctrl_data.pinmux.dev = &pdev->dev; return aspeed_pinctrl_probe(pdev, &aspeed_g5_pinctrl_desc, &aspeed_g5_pinctrl_data); diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c index 535db3de490b..54933665b5f8 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c @@ -71,7 +71,7 @@ int aspeed_pinmux_get_fn_groups(struct pinctrl_dev *pctldev, return 0; } -static int aspeed_sig_expr_enable(const struct aspeed_pinmux_data *ctx, +static int aspeed_sig_expr_enable(struct aspeed_pinmux_data *ctx, const struct aspeed_sig_expr *expr) { int ret; @@ -86,7 +86,7 @@ static int aspeed_sig_expr_enable(const struct aspeed_pinmux_data *ctx, return 0; } -static int aspeed_sig_expr_disable(const struct aspeed_pinmux_data *ctx, +static int aspeed_sig_expr_disable(struct aspeed_pinmux_data *ctx, const struct aspeed_sig_expr *expr) { int ret; @@ -109,7 +109,7 @@ static int aspeed_sig_expr_disable(const struct aspeed_pinmux_data *ctx, * * Return: 0 if all expressions are disabled, otherwise a negative error code */ -static int aspeed_disable_sig(const struct aspeed_pinmux_data *ctx, +static int aspeed_disable_sig(struct aspeed_pinmux_data *ctx, const struct aspeed_sig_expr **exprs) { int ret = 0; @@ -217,8 +217,7 @@ int aspeed_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned int function, { int i; int ret; - const struct aspeed_pinctrl_data *pdata = - pinctrl_dev_get_drvdata(pctldev); + struct aspeed_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev); const struct aspeed_pin_group *pgroup = &pdata->pinmux.groups[group]; const struct aspeed_pin_function *pfunc = &pdata->pinmux.functions[function]; @@ -306,8 +305,7 @@ int aspeed_gpio_request_enable(struct pinctrl_dev *pctldev, unsigned int offset) { int ret; - const struct aspeed_pinctrl_data *pdata = - pinctrl_dev_get_drvdata(pctldev); + struct aspeed_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev); const struct aspeed_pin_desc *pdesc = pdata->pins[offset].drv_data; const struct aspeed_sig_expr ***prios, **funcs, *expr; diff --git a/drivers/pinctrl/aspeed/pinmux-aspeed.c b/drivers/pinctrl/aspeed/pinmux-aspeed.c index 5b0fe178ccf2..839c01b7953f 100644 --- a/drivers/pinctrl/aspeed/pinmux-aspeed.c +++ b/drivers/pinctrl/aspeed/pinmux-aspeed.c @@ -5,7 +5,7 @@ #include "pinmux-aspeed.h" -const char *const aspeed_pinmux_ips[] = { +static const char *const aspeed_pinmux_ips[] = { [ASPEED_IP_SCU] = "SCU", [ASPEED_IP_GFX] = "GFX", [ASPEED_IP_LPC] = "LPC", diff --git a/drivers/pinctrl/aspeed/pinmux-aspeed.h b/drivers/pinctrl/aspeed/pinmux-aspeed.h index 329d54d48667..52d299b59ce2 100644 --- a/drivers/pinctrl/aspeed/pinmux-aspeed.h +++ b/drivers/pinctrl/aspeed/pinmux-aspeed.h @@ -702,11 +702,12 @@ struct aspeed_pin_function { struct aspeed_pinmux_data; struct aspeed_pinmux_ops { - int (*set)(const struct aspeed_pinmux_data *ctx, + int (*set)(struct aspeed_pinmux_data *ctx, const struct aspeed_sig_expr *expr, bool enabled); }; struct aspeed_pinmux_data { + struct device *dev; struct regmap *maps[ASPEED_NR_PINMUX_IPS]; const struct aspeed_pinmux_ops *ops; @@ -725,7 +726,7 @@ int aspeed_sig_expr_eval(const struct aspeed_pinmux_data *ctx, const struct aspeed_sig_expr *expr, bool enabled); -static inline int aspeed_sig_expr_set(const struct aspeed_pinmux_data *ctx, +static inline int aspeed_sig_expr_set(struct aspeed_pinmux_data *ctx, const struct aspeed_sig_expr *expr, bool enabled) { diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index c3ab07ab31a9..8edfac17364e 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -882,8 +882,11 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id) return of_pwm_get(dev, dev->of_node, con_id); /* then lookup via ACPI */ - if (dev && is_acpi_node(dev->fwnode)) - return acpi_pwm_get(dev->fwnode); + if (dev && is_acpi_node(dev->fwnode)) { + pwm = acpi_pwm_get(dev->fwnode); + if (!IS_ERR(pwm) || PTR_ERR(pwm) != -ENOENT) + return pwm; + } /* * We look up the provider in the static table typically provided by diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 152053361862..989506bd90b1 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -174,14 +174,14 @@ #define AXP803_DCDC5_1140mV_STEPS 35 #define AXP803_DCDC5_1140mV_END \ (AXP803_DCDC5_1140mV_START + AXP803_DCDC5_1140mV_STEPS) -#define AXP803_DCDC5_NUM_VOLTAGES 68 +#define AXP803_DCDC5_NUM_VOLTAGES 69 #define AXP803_DCDC6_600mV_START 0x00 #define AXP803_DCDC6_600mV_STEPS 50 #define AXP803_DCDC6_600mV_END \ (AXP803_DCDC6_600mV_START + AXP803_DCDC6_600mV_STEPS) #define AXP803_DCDC6_1120mV_START 0x33 -#define AXP803_DCDC6_1120mV_STEPS 14 +#define AXP803_DCDC6_1120mV_STEPS 20 #define AXP803_DCDC6_1120mV_END \ (AXP803_DCDC6_1120mV_START + AXP803_DCDC6_1120mV_STEPS) #define AXP803_DCDC6_NUM_VOLTAGES 72 @@ -240,7 +240,7 @@ #define AXP806_DCDCA_600mV_END \ (AXP806_DCDCA_600mV_START + AXP806_DCDCA_600mV_STEPS) #define AXP806_DCDCA_1120mV_START 0x33 -#define AXP806_DCDCA_1120mV_STEPS 14 +#define AXP806_DCDCA_1120mV_STEPS 20 #define AXP806_DCDCA_1120mV_END \ (AXP806_DCDCA_1120mV_START + AXP806_DCDCA_1120mV_STEPS) #define AXP806_DCDCA_NUM_VOLTAGES 72 @@ -774,8 +774,8 @@ static const struct regulator_linear_range axp806_dcdcd_ranges[] = { AXP806_DCDCD_600mV_END, 20000), REGULATOR_LINEAR_RANGE(1600000, - AXP806_DCDCD_600mV_START, - AXP806_DCDCD_600mV_END, + AXP806_DCDCD_1600mV_START, + AXP806_DCDCD_1600mV_END, 100000), }; diff --git a/drivers/regulator/lp87565-regulator.c b/drivers/regulator/lp87565-regulator.c index 5d067f7c2116..0c440c5e2832 100644 --- a/drivers/regulator/lp87565-regulator.c +++ b/drivers/regulator/lp87565-regulator.c @@ -163,7 +163,7 @@ static int lp87565_regulator_probe(struct platform_device *pdev) struct lp87565 *lp87565 = dev_get_drvdata(pdev->dev.parent); struct regulator_config config = { }; struct regulator_dev *rdev; - int i, min_idx = LP87565_BUCK_0, max_idx = LP87565_BUCK_3; + int i, min_idx, max_idx; platform_set_drvdata(pdev, lp87565); @@ -182,9 +182,9 @@ static int lp87565_regulator_probe(struct platform_device *pdev) max_idx = LP87565_BUCK_3210; break; default: - dev_err(lp87565->dev, "Invalid lp config %d\n", - lp87565->dev_type); - return -EINVAL; + min_idx = LP87565_BUCK_0; + max_idx = LP87565_BUCK_3; + break; } for (i = min_idx; i <= max_idx; i++) { diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 397918ebba55..9112faa6a9a0 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -416,8 +416,10 @@ device_node *regulator_of_get_init_node(struct device *dev, if (!name) name = child->name; - if (!strcmp(desc->of_match, name)) + if (!strcmp(desc->of_match, name)) { + of_node_put(search); return of_node_get(child); + } } of_node_put(search); diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index b9ce93e9df89..99f86612f775 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -383,6 +383,20 @@ suborder_not_supported(struct dasd_ccw_req *cqr) char msg_format; char msg_no; + /* + * intrc values ENODEV, ENOLINK and EPERM + * will be optained from sleep_on to indicate that no + * IO operation can be started + */ + if (cqr->intrc == -ENODEV) + return 1; + + if (cqr->intrc == -ENOLINK) + return 1; + + if (cqr->intrc == -EPERM) + return 1; + sense = dasd_get_sense(&cqr->irb); if (!sense) return 0; @@ -447,12 +461,8 @@ static int read_unit_address_configuration(struct dasd_device *device, lcu->flags &= ~NEED_UAC_UPDATE; spin_unlock_irqrestore(&lcu->lock, flags); - do { - rc = dasd_sleep_on(cqr); - if (rc && suborder_not_supported(cqr)) - return -EOPNOTSUPP; - } while (rc && (cqr->retries > 0)); - if (rc) { + rc = dasd_sleep_on(cqr); + if (rc && !suborder_not_supported(cqr)) { spin_lock_irqsave(&lcu->lock, flags); lcu->flags |= NEED_UAC_UPDATE; spin_unlock_irqrestore(&lcu->lock, flags); diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 8c9d412b6d33..e7cf0a1d4f71 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -398,6 +398,7 @@ static void raw3215_irq(struct ccw_device *cdev, unsigned long intparm, } if (dstat == 0x08) break; + /* else, fall through */ case 0x04: /* Device end interrupt. */ if ((raw = req->info) == NULL) diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 8d3370da2dfc..3e0b2f63a9d2 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -677,6 +677,7 @@ tape_generic_remove(struct ccw_device *cdev) switch (device->tape_state) { case TS_INIT: tape_state_set(device, TS_NOT_OPER); + /* fallthrough */ case TS_NOT_OPER: /* * Nothing to do. @@ -949,6 +950,7 @@ __tape_start_request(struct tape_device *device, struct tape_request *request) break; if (device->tape_state == TS_UNUSED) break; + /* fallthrough */ default: if (device->tape_state == TS_BLKUSE) break; @@ -1116,6 +1118,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) case -ETIMEDOUT: DBF_LH(1, "(%08x): Request timed out\n", device->cdev_id); + /* fallthrough */ case -EIO: __tape_end_request(device, request, -EIO); break; diff --git a/drivers/s390/cio/vfio_ccw_async.c b/drivers/s390/cio/vfio_ccw_async.c index 8c1d2357ef5b..7a838e3d7c0f 100644 --- a/drivers/s390/cio/vfio_ccw_async.c +++ b/drivers/s390/cio/vfio_ccw_async.c @@ -70,7 +70,7 @@ static void vfio_ccw_async_region_release(struct vfio_ccw_private *private, } -const struct vfio_ccw_regops vfio_ccw_async_region_ops = { +static const struct vfio_ccw_regops vfio_ccw_async_region_ops = { .read = vfio_ccw_async_region_read, .write = vfio_ccw_async_region_write, .release = vfio_ccw_async_region_release, diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index 5ea83dc4f1d7..dad2be333d82 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -152,6 +152,7 @@ static struct ap_queue_status ap_sm_recv(struct ap_queue *aq) ap_msg->receive(aq, ap_msg, aq->reply); break; } + /* fall through */ case AP_RESPONSE_NO_PENDING_REPLY: if (!status.queue_empty || aq->queue_count <= 0) break; diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c index 12fe9deb265e..a36251d138fb 100644 --- a/drivers/s390/crypto/zcrypt_msgtype6.c +++ b/drivers/s390/crypto/zcrypt_msgtype6.c @@ -801,10 +801,7 @@ static int convert_response_ica(struct zcrypt_queue *zq, if (msg->cprbx.cprb_ver_id == 0x02) return convert_type86_ica(zq, reply, outputdata, outputdatalength); - /* - * Fall through, no break, incorrect cprb version is an unknown - * response - */ + /* fall through - wrong cprb version is an unknown response */ default: /* Unknown response type, this should NEVER EVER happen */ zq->online = 0; pr_err("Cryptographic device %02x.%04x failed and was set offline\n", @@ -837,10 +834,7 @@ static int convert_response_xcrb(struct zcrypt_queue *zq, } if (msg->cprbx.cprb_ver_id == 0x02) return convert_type86_xcrb(zq, reply, xcRB); - /* - * Fall through, no break, incorrect cprb version is an unknown - * response - */ + /* fall through - wrong cprb version is an unknown response */ default: /* Unknown response type, this should NEVER EVER happen */ xcRB->status = 0x0008044DL; /* HDD_InvalidParm */ zq->online = 0; @@ -870,7 +864,7 @@ static int convert_response_ep11_xcrb(struct zcrypt_queue *zq, return convert_error(zq, reply); if (msg->cprbx.cprb_ver_id == 0x04) return convert_type86_ep11_xcrb(zq, reply, xcRB); - /* Fall through, no break, incorrect cprb version is an unknown resp.*/ + /* fall through - wrong cprb version is an unknown resp */ default: /* Unknown response type, this should NEVER EVER happen */ zq->online = 0; pr_err("Cryptographic device %02x.%04x failed and was set offline\n", @@ -900,10 +894,7 @@ static int convert_response_rng(struct zcrypt_queue *zq, return -EINVAL; if (msg->cprbx.cprb_ver_id == 0x02) return convert_type86_rng(zq, reply, data); - /* - * Fall through, no break, incorrect cprb version is an unknown - * response - */ + /* fall through - wrong cprb version is an unknown response */ default: /* Unknown response type, this should NEVER EVER happen */ zq->online = 0; pr_err("Cryptographic device %02x.%04x failed and was set offline\n", diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c index 1b4ee570b712..4a8a5373cb35 100644 --- a/drivers/s390/net/ctcm_fsms.c +++ b/drivers/s390/net/ctcm_fsms.c @@ -1704,6 +1704,7 @@ static void ctcmpc_chx_attnbusy(fsm_instance *fsm, int event, void *arg) grp->changed_side = 2; break; } + /* Else, fall through */ case MPCG_STATE_XID0IOWAIX: case MPCG_STATE_XID7INITW: case MPCG_STATE_XID7INITX: diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c index e02f295d38a9..1534420a0243 100644 --- a/drivers/s390/net/ctcm_mpc.c +++ b/drivers/s390/net/ctcm_mpc.c @@ -357,6 +357,7 @@ int ctc_mpc_alloc_channel(int port_num, void (*callback)(int, int)) /*fsm_newstate(grp->fsm, MPCG_STATE_XID2INITW);*/ if (callback) grp->send_qllc_disc = 1; + /* Else, fall through */ case MPCG_STATE_XID0IOWAIT: fsm_deltimer(&grp->timer); grp->outstanding_xid2 = 0; @@ -1469,6 +1470,7 @@ static void mpc_action_timeout(fsm_instance *fi, int event, void *arg) if ((fsm_getstate(rch->fsm) == CH_XID0_PENDING) && (fsm_getstate(wch->fsm) == CH_XID0_PENDING)) break; + /* Else, fall through */ default: fsm_event(grp->fsm, MPCG_EVENT_INOP, dev); } @@ -2089,6 +2091,7 @@ static int mpc_send_qllc_discontact(struct net_device *dev) grp->estconnfunc = NULL; break; } + /* Else, fall through */ case MPCG_STATE_FLOWC: case MPCG_STATE_READY: grp->send_qllc_disc = 2; diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index fd64bc3f4062..cbead3d1b2fd 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -333,7 +333,7 @@ static int qeth_l2_process_inbound_buffer(struct qeth_card *card, card->osn_info.data_cb(skb); break; } - /* else unknown */ + /* Else, fall through */ default: dev_kfree_skb_any(skb); QETH_CARD_TEXT(card, 3, "inbunkno"); diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index aea4fd73c862..6c68c2303638 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -603,6 +603,7 @@ static void fas216_handlesync(FAS216_Info *info, char *msg) msgqueue_flush(&info->scsi.msgs); msgqueue_addmsg(&info->scsi.msgs, 1, MESSAGE_REJECT); info->scsi.phase = PHASE_MSGOUT_EXPECT; + /* fall through */ case async: dev->period = info->ifcfg.asyncperiod / 4; @@ -915,6 +916,7 @@ static void fas216_disconnect_intr(FAS216_Info *info) fas216_done(info, DID_ABORT); break; } + /* else, fall through */ default: /* huh? */ printk(KERN_ERR "scsi%d.%c: unexpected disconnect in phase %s\n", @@ -1411,6 +1413,8 @@ static void fas216_busservice_intr(FAS216_Info *info, unsigned int stat, unsigne case STATE(STAT_STATUS, PHASE_DATAOUT): /* Data Out -> Status */ case STATE(STAT_STATUS, PHASE_DATAIN): /* Data In -> Status */ fas216_stoptransfer(info); + /* fall through */ + case STATE(STAT_STATUS, PHASE_SELSTEPS):/* Sel w/ steps -> Status */ case STATE(STAT_STATUS, PHASE_MSGOUT): /* Message Out -> Status */ case STATE(STAT_STATUS, PHASE_COMMAND): /* Command -> Status */ @@ -1422,6 +1426,8 @@ static void fas216_busservice_intr(FAS216_Info *info, unsigned int stat, unsigne case STATE(STAT_MESGIN, PHASE_DATAOUT): /* Data Out -> Message In */ case STATE(STAT_MESGIN, PHASE_DATAIN): /* Data In -> Message In */ fas216_stoptransfer(info); + /* fall through */ + case STATE(STAT_MESGIN, PHASE_COMMAND): /* Command -> Message In */ case STATE(STAT_MESGIN, PHASE_SELSTEPS):/* Sel w/ steps -> Message In */ case STATE(STAT_MESGIN, PHASE_MSGOUT): /* Message Out -> Message In */ @@ -1575,6 +1581,7 @@ static void fas216_funcdone_intr(FAS216_Info *info, unsigned int stat, unsigned fas216_message(info); break; } + /* else, fall through */ default: fas216_log(info, 0, "internal phase %s for function done?" @@ -1957,6 +1964,7 @@ static void fas216_kick(FAS216_Info *info) switch (where_from) { case TYPE_QUEUE: fas216_allocate_tag(info, SCpnt); + /* fall through */ case TYPE_OTHER: fas216_start_command(info, SCpnt); break; diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c index 1a85fe9e4b7b..1791a393795d 100644 --- a/drivers/scsi/fcoe/fcoe_ctlr.c +++ b/drivers/scsi/fcoe/fcoe_ctlr.c @@ -2005,7 +2005,7 @@ EXPORT_SYMBOL_GPL(fcoe_wwn_from_mac); */ static inline struct fcoe_rport *fcoe_ctlr_rport(struct fc_rport_priv *rdata) { - return (struct fcoe_rport *)(rdata + 1); + return container_of(rdata, struct fcoe_rport, rdata); } /** @@ -2269,7 +2269,7 @@ static void fcoe_ctlr_vn_start(struct fcoe_ctlr *fip) */ static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip, struct sk_buff *skb, - struct fc_rport_priv *rdata) + struct fcoe_rport *frport) { struct fip_header *fiph; struct fip_desc *desc = NULL; @@ -2277,16 +2277,12 @@ static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip, struct fip_wwn_desc *wwn = NULL; struct fip_vn_desc *vn = NULL; struct fip_size_desc *size = NULL; - struct fcoe_rport *frport; size_t rlen; size_t dlen; u32 desc_mask = 0; u32 dtype; u8 sub; - memset(rdata, 0, sizeof(*rdata) + sizeof(*frport)); - frport = fcoe_ctlr_rport(rdata); - fiph = (struct fip_header *)skb->data; frport->flags = ntohs(fiph->fip_flags); @@ -2349,15 +2345,17 @@ static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip, if (dlen != sizeof(struct fip_wwn_desc)) goto len_err; wwn = (struct fip_wwn_desc *)desc; - rdata->ids.node_name = get_unaligned_be64(&wwn->fd_wwn); + frport->rdata.ids.node_name = + get_unaligned_be64(&wwn->fd_wwn); break; case FIP_DT_VN_ID: if (dlen != sizeof(struct fip_vn_desc)) goto len_err; vn = (struct fip_vn_desc *)desc; memcpy(frport->vn_mac, vn->fd_mac, ETH_ALEN); - rdata->ids.port_id = ntoh24(vn->fd_fc_id); - rdata->ids.port_name = get_unaligned_be64(&vn->fd_wwpn); + frport->rdata.ids.port_id = ntoh24(vn->fd_fc_id); + frport->rdata.ids.port_name = + get_unaligned_be64(&vn->fd_wwpn); break; case FIP_DT_FC4F: if (dlen != sizeof(struct fip_fc4_feat)) @@ -2403,16 +2401,14 @@ static void fcoe_ctlr_vn_send_claim(struct fcoe_ctlr *fip) /** * fcoe_ctlr_vn_probe_req() - handle incoming VN2VN probe request. * @fip: The FCoE controller - * @rdata: parsed remote port with frport from the probe request + * @frport: parsed FCoE rport from the probe request * * Called with ctlr_mutex held. */ static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip, - struct fc_rport_priv *rdata) + struct fcoe_rport *frport) { - struct fcoe_rport *frport = fcoe_ctlr_rport(rdata); - - if (rdata->ids.port_id != fip->port_id) + if (frport->rdata.ids.port_id != fip->port_id) return; switch (fip->state) { @@ -2432,7 +2428,7 @@ static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip, * Probe's REC bit is not set. * If we don't reply, we will change our address. */ - if (fip->lp->wwpn > rdata->ids.port_name && + if (fip->lp->wwpn > frport->rdata.ids.port_name && !(frport->flags & FIP_FL_REC_OR_P2P)) { LIBFCOE_FIP_DBG(fip, "vn_probe_req: " "port_id collision\n"); @@ -2456,14 +2452,14 @@ static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip, /** * fcoe_ctlr_vn_probe_reply() - handle incoming VN2VN probe reply. * @fip: The FCoE controller - * @rdata: parsed remote port with frport from the probe request + * @frport: parsed FCoE rport from the probe request * * Called with ctlr_mutex held. */ static void fcoe_ctlr_vn_probe_reply(struct fcoe_ctlr *fip, - struct fc_rport_priv *rdata) + struct fcoe_rport *frport) { - if (rdata->ids.port_id != fip->port_id) + if (frport->rdata.ids.port_id != fip->port_id) return; switch (fip->state) { case FIP_ST_VNMP_START: @@ -2486,11 +2482,11 @@ static void fcoe_ctlr_vn_probe_reply(struct fcoe_ctlr *fip, /** * fcoe_ctlr_vn_add() - Add a VN2VN entry to the list, based on a claim reply. * @fip: The FCoE controller - * @new: newly-parsed remote port with frport as a template for new rdata + * @new: newly-parsed FCoE rport as a template for new rdata * * Called with ctlr_mutex held. */ -static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fc_rport_priv *new) +static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fcoe_rport *new) { struct fc_lport *lport = fip->lp; struct fc_rport_priv *rdata; @@ -2498,7 +2494,7 @@ static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fc_rport_priv *new) struct fcoe_rport *frport; u32 port_id; - port_id = new->ids.port_id; + port_id = new->rdata.ids.port_id; if (port_id == fip->port_id) return; @@ -2515,22 +2511,28 @@ static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fc_rport_priv *new) rdata->disc_id = lport->disc.disc_id; ids = &rdata->ids; - if ((ids->port_name != -1 && ids->port_name != new->ids.port_name) || - (ids->node_name != -1 && ids->node_name != new->ids.node_name)) { + if ((ids->port_name != -1 && + ids->port_name != new->rdata.ids.port_name) || + (ids->node_name != -1 && + ids->node_name != new->rdata.ids.node_name)) { mutex_unlock(&rdata->rp_mutex); LIBFCOE_FIP_DBG(fip, "vn_add rport logoff %6.6x\n", port_id); fc_rport_logoff(rdata); mutex_lock(&rdata->rp_mutex); } - ids->port_name = new->ids.port_name; - ids->node_name = new->ids.node_name; + ids->port_name = new->rdata.ids.port_name; + ids->node_name = new->rdata.ids.node_name; mutex_unlock(&rdata->rp_mutex); frport = fcoe_ctlr_rport(rdata); LIBFCOE_FIP_DBG(fip, "vn_add rport %6.6x %s state %d\n", port_id, frport->fcoe_len ? "old" : "new", rdata->rp_state); - *frport = *fcoe_ctlr_rport(new); + frport->fcoe_len = new->fcoe_len; + frport->flags = new->flags; + frport->login_count = new->login_count; + memcpy(frport->enode_mac, new->enode_mac, ETH_ALEN); + memcpy(frport->vn_mac, new->vn_mac, ETH_ALEN); frport->time = 0; } @@ -2562,16 +2564,14 @@ static int fcoe_ctlr_vn_lookup(struct fcoe_ctlr *fip, u32 port_id, u8 *mac) /** * fcoe_ctlr_vn_claim_notify() - handle received FIP VN2VN Claim Notification * @fip: The FCoE controller - * @new: newly-parsed remote port with frport as a template for new rdata + * @new: newly-parsed FCoE rport as a template for new rdata * * Called with ctlr_mutex held. */ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip, - struct fc_rport_priv *new) + struct fcoe_rport *new) { - struct fcoe_rport *frport = fcoe_ctlr_rport(new); - - if (frport->flags & FIP_FL_REC_OR_P2P) { + if (new->flags & FIP_FL_REC_OR_P2P) { LIBFCOE_FIP_DBG(fip, "send probe req for P2P/REC\n"); fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REQ, fcoe_all_vn2vn, 0); return; @@ -2580,7 +2580,7 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip, case FIP_ST_VNMP_START: case FIP_ST_VNMP_PROBE1: case FIP_ST_VNMP_PROBE2: - if (new->ids.port_id == fip->port_id) { + if (new->rdata.ids.port_id == fip->port_id) { LIBFCOE_FIP_DBG(fip, "vn_claim_notify: " "restart, state %d\n", fip->state); @@ -2589,8 +2589,8 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip, break; case FIP_ST_VNMP_CLAIM: case FIP_ST_VNMP_UP: - if (new->ids.port_id == fip->port_id) { - if (new->ids.port_name > fip->lp->wwpn) { + if (new->rdata.ids.port_id == fip->port_id) { + if (new->rdata.ids.port_name > fip->lp->wwpn) { LIBFCOE_FIP_DBG(fip, "vn_claim_notify: " "restart, port_id collision\n"); fcoe_ctlr_vn_restart(fip); @@ -2602,15 +2602,16 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip, break; } LIBFCOE_FIP_DBG(fip, "vn_claim_notify: send reply to %x\n", - new->ids.port_id); - fcoe_ctlr_vn_send(fip, FIP_SC_VN_CLAIM_REP, frport->enode_mac, - min((u32)frport->fcoe_len, + new->rdata.ids.port_id); + fcoe_ctlr_vn_send(fip, FIP_SC_VN_CLAIM_REP, new->enode_mac, + min((u32)new->fcoe_len, fcoe_ctlr_fcoe_size(fip))); fcoe_ctlr_vn_add(fip, new); break; default: LIBFCOE_FIP_DBG(fip, "vn_claim_notify: " - "ignoring claim from %x\n", new->ids.port_id); + "ignoring claim from %x\n", + new->rdata.ids.port_id); break; } } @@ -2618,15 +2619,15 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip, /** * fcoe_ctlr_vn_claim_resp() - handle received Claim Response * @fip: The FCoE controller that received the frame - * @new: newly-parsed remote port with frport from the Claim Response + * @new: newly-parsed FCoE rport from the Claim Response * * Called with ctlr_mutex held. */ static void fcoe_ctlr_vn_claim_resp(struct fcoe_ctlr *fip, - struct fc_rport_priv *new) + struct fcoe_rport *new) { LIBFCOE_FIP_DBG(fip, "claim resp from from rport %x - state %s\n", - new->ids.port_id, fcoe_ctlr_state(fip->state)); + new->rdata.ids.port_id, fcoe_ctlr_state(fip->state)); if (fip->state == FIP_ST_VNMP_UP || fip->state == FIP_ST_VNMP_CLAIM) fcoe_ctlr_vn_add(fip, new); } @@ -2634,28 +2635,28 @@ static void fcoe_ctlr_vn_claim_resp(struct fcoe_ctlr *fip, /** * fcoe_ctlr_vn_beacon() - handle received beacon. * @fip: The FCoE controller that received the frame - * @new: newly-parsed remote port with frport from the Beacon + * @new: newly-parsed FCoE rport from the Beacon * * Called with ctlr_mutex held. */ static void fcoe_ctlr_vn_beacon(struct fcoe_ctlr *fip, - struct fc_rport_priv *new) + struct fcoe_rport *new) { struct fc_lport *lport = fip->lp; struct fc_rport_priv *rdata; struct fcoe_rport *frport; - frport = fcoe_ctlr_rport(new); - if (frport->flags & FIP_FL_REC_OR_P2P) { + if (new->flags & FIP_FL_REC_OR_P2P) { LIBFCOE_FIP_DBG(fip, "p2p beacon while in vn2vn mode\n"); fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REQ, fcoe_all_vn2vn, 0); return; } - rdata = fc_rport_lookup(lport, new->ids.port_id); + rdata = fc_rport_lookup(lport, new->rdata.ids.port_id); if (rdata) { - if (rdata->ids.node_name == new->ids.node_name && - rdata->ids.port_name == new->ids.port_name) { + if (rdata->ids.node_name == new->rdata.ids.node_name && + rdata->ids.port_name == new->rdata.ids.port_name) { frport = fcoe_ctlr_rport(rdata); + LIBFCOE_FIP_DBG(fip, "beacon from rport %x\n", rdata->ids.port_id); if (!frport->time && fip->state == FIP_ST_VNMP_UP) { @@ -2678,7 +2679,7 @@ static void fcoe_ctlr_vn_beacon(struct fcoe_ctlr *fip, * Don't add the neighbor yet. */ LIBFCOE_FIP_DBG(fip, "beacon from new rport %x. sending claim notify\n", - new->ids.port_id); + new->rdata.ids.port_id); if (time_after(jiffies, fip->sol_time + msecs_to_jiffies(FIP_VN_ANN_WAIT))) fcoe_ctlr_vn_send_claim(fip); @@ -2738,10 +2739,7 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb) { struct fip_header *fiph; enum fip_vn2vn_subcode sub; - struct { - struct fc_rport_priv rdata; - struct fcoe_rport frport; - } buf; + struct fcoe_rport frport = { }; int rc, vlan_id = 0; fiph = (struct fip_header *)skb->data; @@ -2757,7 +2755,7 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb) goto drop; } - rc = fcoe_ctlr_vn_parse(fip, skb, &buf.rdata); + rc = fcoe_ctlr_vn_parse(fip, skb, &frport); if (rc) { LIBFCOE_FIP_DBG(fip, "vn_recv vn_parse error %d\n", rc); goto drop; @@ -2766,19 +2764,19 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb) mutex_lock(&fip->ctlr_mutex); switch (sub) { case FIP_SC_VN_PROBE_REQ: - fcoe_ctlr_vn_probe_req(fip, &buf.rdata); + fcoe_ctlr_vn_probe_req(fip, &frport); break; case FIP_SC_VN_PROBE_REP: - fcoe_ctlr_vn_probe_reply(fip, &buf.rdata); + fcoe_ctlr_vn_probe_reply(fip, &frport); break; case FIP_SC_VN_CLAIM_NOTIFY: - fcoe_ctlr_vn_claim_notify(fip, &buf.rdata); + fcoe_ctlr_vn_claim_notify(fip, &frport); break; case FIP_SC_VN_CLAIM_REP: - fcoe_ctlr_vn_claim_resp(fip, &buf.rdata); + fcoe_ctlr_vn_claim_resp(fip, &frport); break; case FIP_SC_VN_BEACON: - fcoe_ctlr_vn_beacon(fip, &buf.rdata); + fcoe_ctlr_vn_beacon(fip, &frport); break; default: LIBFCOE_FIP_DBG(fip, "vn_recv unknown subcode %d\n", sub); @@ -2802,22 +2800,18 @@ drop: */ static int fcoe_ctlr_vlan_parse(struct fcoe_ctlr *fip, struct sk_buff *skb, - struct fc_rport_priv *rdata) + struct fcoe_rport *frport) { struct fip_header *fiph; struct fip_desc *desc = NULL; struct fip_mac_desc *macd = NULL; struct fip_wwn_desc *wwn = NULL; - struct fcoe_rport *frport; size_t rlen; size_t dlen; u32 desc_mask = 0; u32 dtype; u8 sub; - memset(rdata, 0, sizeof(*rdata) + sizeof(*frport)); - frport = fcoe_ctlr_rport(rdata); - fiph = (struct fip_header *)skb->data; frport->flags = ntohs(fiph->fip_flags); @@ -2871,7 +2865,8 @@ static int fcoe_ctlr_vlan_parse(struct fcoe_ctlr *fip, if (dlen != sizeof(struct fip_wwn_desc)) goto len_err; wwn = (struct fip_wwn_desc *)desc; - rdata->ids.node_name = get_unaligned_be64(&wwn->fd_wwn); + frport->rdata.ids.node_name = + get_unaligned_be64(&wwn->fd_wwn); break; default: LIBFCOE_FIP_DBG(fip, "unexpected descriptor type %x " @@ -2957,13 +2952,13 @@ static void fcoe_ctlr_vlan_send(struct fcoe_ctlr *fip, /** * fcoe_ctlr_vlan_disk_reply() - send FIP VLAN Discovery Notification. * @fip: The FCoE controller + * @frport: The newly-parsed FCoE rport from the Discovery Request * * Called with ctlr_mutex held. */ static void fcoe_ctlr_vlan_disc_reply(struct fcoe_ctlr *fip, - struct fc_rport_priv *rdata) + struct fcoe_rport *frport) { - struct fcoe_rport *frport = fcoe_ctlr_rport(rdata); enum fip_vlan_subcode sub = FIP_SC_VL_NOTE; if (fip->mode == FIP_MODE_VN2VN) @@ -2982,22 +2977,19 @@ static int fcoe_ctlr_vlan_recv(struct fcoe_ctlr *fip, struct sk_buff *skb) { struct fip_header *fiph; enum fip_vlan_subcode sub; - struct { - struct fc_rport_priv rdata; - struct fcoe_rport frport; - } buf; + struct fcoe_rport frport = { }; int rc; fiph = (struct fip_header *)skb->data; sub = fiph->fip_subcode; - rc = fcoe_ctlr_vlan_parse(fip, skb, &buf.rdata); + rc = fcoe_ctlr_vlan_parse(fip, skb, &frport); if (rc) { LIBFCOE_FIP_DBG(fip, "vlan_recv vlan_parse error %d\n", rc); goto drop; } mutex_lock(&fip->ctlr_mutex); if (sub == FIP_SC_VL_REQ) - fcoe_ctlr_vlan_disc_reply(fip, &buf.rdata); + fcoe_ctlr_vlan_disc_reply(fip, &frport); mutex_unlock(&fip->ctlr_mutex); drop: diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index eaf6177ac9ee..1bb6aada93fa 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -2334,6 +2334,8 @@ static int handle_ioaccel_mode2_error(struct ctlr_info *h, case IOACCEL2_SERV_RESPONSE_COMPLETE: switch (c2->error_data.status) { case IOACCEL2_STATUS_SR_TASK_COMP_GOOD: + if (cmd) + cmd->result = 0; break; case IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND: cmd->result |= SAM_STAT_CHECK_CONDITION; @@ -2483,8 +2485,10 @@ static void process_ioaccel2_completion(struct ctlr_info *h, /* check for good status */ if (likely(c2->error_data.serv_response == 0 && - c2->error_data.status == 0)) + c2->error_data.status == 0)) { + cmd->result = 0; return hpsa_cmd_free_and_done(h, c, cmd); + } /* * Any RAID offload error results in retry which will use @@ -5654,6 +5658,12 @@ static int hpsa_scsi_queue_command(struct Scsi_Host *sh, struct scsi_cmnd *cmd) return SCSI_MLQUEUE_DEVICE_BUSY; /* + * This is necessary because the SML doesn't zero out this field during + * error recovery. + */ + cmd->result = 0; + + /* * Call alternate submit routine for I/O accelerated commands. * Retries always go down the normal I/O path. */ @@ -6081,8 +6091,6 @@ static struct CommandList *cmd_tagged_alloc(struct ctlr_info *h, if (idx != h->last_collision_tag) { /* Print once per tag */ dev_warn(&h->pdev->dev, "%s: tag collision (tag=%d)\n", __func__, idx); - if (c->scsi_cmd != NULL) - scsi_print_command(c->scsi_cmd); if (scmd) scsi_print_command(scmd); h->last_collision_tag = idx; diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index e0f3852fdad1..da6e97d8dc3b 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -128,6 +128,7 @@ EXPORT_SYMBOL(fc_rport_lookup); struct fc_rport_priv *fc_rport_create(struct fc_lport *lport, u32 port_id) { struct fc_rport_priv *rdata; + size_t rport_priv_size = sizeof(*rdata); lockdep_assert_held(&lport->disc.disc_mutex); @@ -135,7 +136,9 @@ struct fc_rport_priv *fc_rport_create(struct fc_lport *lport, u32 port_id) if (rdata) return rdata; - rdata = kzalloc(sizeof(*rdata) + lport->rport_priv_size, GFP_KERNEL); + if (lport->rport_priv_size > 0) + rport_priv_size = lport->rport_priv_size; + rdata = kzalloc(rport_priv_size, GFP_KERNEL); if (!rdata) return NULL; diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 684662888792..050c0f029ef9 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2703,6 +2703,8 @@ _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev) { u64 required_mask, coherent_mask; struct sysinfo s; + /* Set 63 bit DMA mask for all SAS3 and SAS35 controllers */ + int dma_mask = (ioc->hba_mpi_version_belonged > MPI2_VERSION) ? 63 : 64; if (ioc->is_mcpu_endpoint) goto try_32bit; @@ -2712,17 +2714,17 @@ _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev) goto try_32bit; if (ioc->dma_mask) - coherent_mask = DMA_BIT_MASK(64); + coherent_mask = DMA_BIT_MASK(dma_mask); else coherent_mask = DMA_BIT_MASK(32); - if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) || + if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(dma_mask)) || dma_set_coherent_mask(&pdev->dev, coherent_mask)) goto try_32bit; ioc->base_add_sg_single = &_base_add_sg_single_64; ioc->sge_size = sizeof(Mpi2SGESimple64_t); - ioc->dma_mask = 64; + ioc->dma_mask = dma_mask; goto out; try_32bit: @@ -2744,7 +2746,7 @@ static int _base_change_consistent_dma_mask(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev) { - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { + if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(ioc->dma_mask))) { if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) return -ENODEV; } @@ -4989,7 +4991,7 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) total_sz += sz; } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count)); - if (ioc->dma_mask == 64) { + if (ioc->dma_mask > 32) { if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) { ioc_warn(ioc, "no suitable consistent DMA mask for %s\n", pci_name(ioc->pdev)); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 4059655639d9..da83034d4759 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -4877,7 +4877,7 @@ qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags) ql_log(ql_log_warn, vha, 0xd049, "Failed to allocate ct_sns request.\n"); kfree(fcport); - fcport = NULL; + return NULL; } INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn); diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index 6f243a90c844..840b1b8ff3dc 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -834,7 +834,8 @@ static int bcm2835_spi_transfer_one(struct spi_controller *ctlr, bcm2835_wr(bs, BCM2835_SPI_CLK, cdiv); /* handle all the 3-wire mode */ - if ((spi->mode & SPI_3WIRE) && (tfr->rx_buf)) + if (spi->mode & SPI_3WIRE && tfr->rx_buf && + tfr->rx_buf != ctlr->dummy_rx) cs |= BCM2835_SPI_CS_REN; else cs &= ~BCM2835_SPI_CS_REN; diff --git a/drivers/spi/spi-fsl-qspi.c b/drivers/spi/spi-fsl-qspi.c index 41a49b93ca60..448c00e4065b 100644 --- a/drivers/spi/spi-fsl-qspi.c +++ b/drivers/spi/spi-fsl-qspi.c @@ -206,7 +206,7 @@ static const struct fsl_qspi_devtype_data imx6sx_data = { }; static const struct fsl_qspi_devtype_data imx7d_data = { - .rxfifo = SZ_512, + .rxfifo = SZ_128, .txfifo = SZ_512, .ahb_buf_size = SZ_1K, .quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_4X_INT_CLK, diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c index eca9d52ecf65..9eb82150666e 100644 --- a/drivers/spi/spi-gpio.c +++ b/drivers/spi/spi-gpio.c @@ -410,6 +410,12 @@ static int spi_gpio_probe(struct platform_device *pdev) bb = &spi_gpio->bitbang; bb->master = master; + /* + * There is some additional business, apart from driving the CS GPIO + * line, that we need to do on selection. This makes the local + * callback for chipselect always get called. + */ + master->flags |= SPI_MASTER_GPIO_SS; bb->chipselect = spi_gpio_chipselect; bb->set_line_direction = spi_gpio_set_direction; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index fc7ab4b26880..bb6a14d1ab0f 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1457,6 +1457,14 @@ static const struct pci_device_id pxa2xx_spi_pci_compound_match[] = { { PCI_VDEVICE(INTEL, 0x02aa), LPSS_CNL_SSP }, { PCI_VDEVICE(INTEL, 0x02ab), LPSS_CNL_SSP }, { PCI_VDEVICE(INTEL, 0x02fb), LPSS_CNL_SSP }, + /* TGL-LP */ + { PCI_VDEVICE(INTEL, 0xa0aa), LPSS_CNL_SSP }, + { PCI_VDEVICE(INTEL, 0xa0ab), LPSS_CNL_SSP }, + { PCI_VDEVICE(INTEL, 0xa0de), LPSS_CNL_SSP }, + { PCI_VDEVICE(INTEL, 0xa0df), LPSS_CNL_SSP }, + { PCI_VDEVICE(INTEL, 0xa0fb), LPSS_CNL_SSP }, + { PCI_VDEVICE(INTEL, 0xa0fd), LPSS_CNL_SSP }, + { PCI_VDEVICE(INTEL, 0xa0fe), LPSS_CNL_SSP }, { }, }; @@ -1831,14 +1839,16 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) status = devm_spi_register_controller(&pdev->dev, controller); if (status != 0) { dev_err(&pdev->dev, "problem registering spi controller\n"); - goto out_error_clock_enabled; + goto out_error_pm_runtime_enabled; } return status; -out_error_clock_enabled: +out_error_pm_runtime_enabled: pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); + +out_error_clock_enabled: clk_disable_unprepare(ssp->clk); out_error_dma_irq_alloc: diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/ion_page_pool.c index fd4995fb676e..f85ec5b16b65 100644 --- a/drivers/staging/android/ion/ion_page_pool.c +++ b/drivers/staging/android/ion/ion_page_pool.c @@ -8,11 +8,14 @@ #include <linux/list.h> #include <linux/slab.h> #include <linux/swap.h> +#include <linux/sched/signal.h> #include "ion.h" static inline struct page *ion_page_pool_alloc_pages(struct ion_page_pool *pool) { + if (fatal_signal_pending(current)) + return NULL; return alloc_pages(pool->gfp_mask, pool->order); } diff --git a/drivers/staging/fbtft/fb_bd663474.c b/drivers/staging/fbtft/fb_bd663474.c index b6c6d66e4eb1..e2c7646588f8 100644 --- a/drivers/staging/fbtft/fb_bd663474.c +++ b/drivers/staging/fbtft/fb_bd663474.c @@ -24,7 +24,7 @@ static int init_display(struct fbtft_par *par) { - if (!par->gpio.cs) + if (par->gpio.cs) gpiod_set_value(par->gpio.cs, 0); /* Activate chip */ par->fbtftops.reset(par); diff --git a/drivers/staging/fbtft/fb_ili9163.c b/drivers/staging/fbtft/fb_ili9163.c index d609a2b67db9..fd32376700e2 100644 --- a/drivers/staging/fbtft/fb_ili9163.c +++ b/drivers/staging/fbtft/fb_ili9163.c @@ -77,7 +77,7 @@ static int init_display(struct fbtft_par *par) { par->fbtftops.reset(par); - if (!par->gpio.cs) + if (par->gpio.cs) gpiod_set_value(par->gpio.cs, 0); /* Activate chip */ write_reg(par, MIPI_DCS_SOFT_RESET); /* software reset */ diff --git a/drivers/staging/fbtft/fb_ili9325.c b/drivers/staging/fbtft/fb_ili9325.c index b090e7ab6fdd..85e54a10ed72 100644 --- a/drivers/staging/fbtft/fb_ili9325.c +++ b/drivers/staging/fbtft/fb_ili9325.c @@ -85,7 +85,7 @@ static int init_display(struct fbtft_par *par) { par->fbtftops.reset(par); - if (!par->gpio.cs) + if (par->gpio.cs) gpiod_set_value(par->gpio.cs, 0); /* Activate chip */ bt &= 0x07; diff --git a/drivers/staging/fbtft/fb_s6d1121.c b/drivers/staging/fbtft/fb_s6d1121.c index b3d0701880fe..5a129b1352cc 100644 --- a/drivers/staging/fbtft/fb_s6d1121.c +++ b/drivers/staging/fbtft/fb_s6d1121.c @@ -29,7 +29,7 @@ static int init_display(struct fbtft_par *par) { par->fbtftops.reset(par); - if (!par->gpio.cs) + if (par->gpio.cs) gpiod_set_value(par->gpio.cs, 0); /* Activate chip */ /* Initialization sequence from Lib_UTFT */ diff --git a/drivers/staging/fbtft/fb_ssd1289.c b/drivers/staging/fbtft/fb_ssd1289.c index bbf75f795234..88a5b6925901 100644 --- a/drivers/staging/fbtft/fb_ssd1289.c +++ b/drivers/staging/fbtft/fb_ssd1289.c @@ -28,7 +28,7 @@ static int init_display(struct fbtft_par *par) { par->fbtftops.reset(par); - if (!par->gpio.cs) + if (par->gpio.cs) gpiod_set_value(par->gpio.cs, 0); /* Activate chip */ write_reg(par, 0x00, 0x0001); diff --git a/drivers/staging/fbtft/fb_ssd1331.c b/drivers/staging/fbtft/fb_ssd1331.c index 4cfe9f8535d0..37622c9462aa 100644 --- a/drivers/staging/fbtft/fb_ssd1331.c +++ b/drivers/staging/fbtft/fb_ssd1331.c @@ -81,7 +81,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...) va_start(args, len); *buf = (u8)va_arg(args, unsigned int); - if (!par->gpio.dc) + if (par->gpio.dc) gpiod_set_value(par->gpio.dc, 0); ret = par->fbtftops.write(par, par->buf, sizeof(u8)); if (ret < 0) { @@ -104,7 +104,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...) return; } } - if (!par->gpio.dc) + if (par->gpio.dc) gpiod_set_value(par->gpio.dc, 1); va_end(args); } diff --git a/drivers/staging/fbtft/fb_upd161704.c b/drivers/staging/fbtft/fb_upd161704.c index 564a38e34440..c77832ae5e5b 100644 --- a/drivers/staging/fbtft/fb_upd161704.c +++ b/drivers/staging/fbtft/fb_upd161704.c @@ -26,7 +26,7 @@ static int init_display(struct fbtft_par *par) { par->fbtftops.reset(par); - if (!par->gpio.cs) + if (par->gpio.cs) gpiod_set_value(par->gpio.cs, 0); /* Activate chip */ /* Initialization sequence from Lib_UTFT */ diff --git a/drivers/staging/fbtft/fbtft-bus.c b/drivers/staging/fbtft/fbtft-bus.c index 2ea814d0dca5..63c65dd67b17 100644 --- a/drivers/staging/fbtft/fbtft-bus.c +++ b/drivers/staging/fbtft/fbtft-bus.c @@ -135,7 +135,7 @@ int fbtft_write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len) remain = len / 2; vmem16 = (u16 *)(par->info->screen_buffer + offset); - if (!par->gpio.dc) + if (par->gpio.dc) gpiod_set_value(par->gpio.dc, 1); /* non buffered write */ diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index 7cbc1bdd2d8a..cf5700a2ea66 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -76,21 +76,18 @@ static int fbtft_request_one_gpio(struct fbtft_par *par, struct gpio_desc **gpiop) { struct device *dev = par->info->device; - struct device_node *node = dev->of_node; int ret = 0; - if (of_find_property(node, name, NULL)) { - *gpiop = devm_gpiod_get_index(dev, dev->driver->name, index, - GPIOD_OUT_HIGH); - if (IS_ERR(*gpiop)) { - ret = PTR_ERR(*gpiop); - dev_err(dev, - "Failed to request %s GPIO:%d\n", name, ret); - return ret; - } - fbtft_par_dbg(DEBUG_REQUEST_GPIOS, par, "%s: '%s' GPIO\n", - __func__, name); + *gpiop = devm_gpiod_get_index_optional(dev, name, index, + GPIOD_OUT_HIGH); + if (IS_ERR(*gpiop)) { + ret = PTR_ERR(*gpiop); + dev_err(dev, + "Failed to request %s GPIO: %d\n", name, ret); + return ret; } + fbtft_par_dbg(DEBUG_REQUEST_GPIOS, par, "%s: '%s' GPIO\n", + __func__, name); return ret; } @@ -103,34 +100,34 @@ static int fbtft_request_gpios_dt(struct fbtft_par *par) if (!par->info->device->of_node) return -EINVAL; - ret = fbtft_request_one_gpio(par, "reset-gpios", 0, &par->gpio.reset); + ret = fbtft_request_one_gpio(par, "reset", 0, &par->gpio.reset); if (ret) return ret; - ret = fbtft_request_one_gpio(par, "dc-gpios", 0, &par->gpio.dc); + ret = fbtft_request_one_gpio(par, "dc", 0, &par->gpio.dc); if (ret) return ret; - ret = fbtft_request_one_gpio(par, "rd-gpios", 0, &par->gpio.rd); + ret = fbtft_request_one_gpio(par, "rd", 0, &par->gpio.rd); if (ret) return ret; - ret = fbtft_request_one_gpio(par, "wr-gpios", 0, &par->gpio.wr); + ret = fbtft_request_one_gpio(par, "wr", 0, &par->gpio.wr); if (ret) return ret; - ret = fbtft_request_one_gpio(par, "cs-gpios", 0, &par->gpio.cs); + ret = fbtft_request_one_gpio(par, "cs", 0, &par->gpio.cs); if (ret) return ret; - ret = fbtft_request_one_gpio(par, "latch-gpios", 0, &par->gpio.latch); + ret = fbtft_request_one_gpio(par, "latch", 0, &par->gpio.latch); if (ret) return ret; for (i = 0; i < 16; i++) { - ret = fbtft_request_one_gpio(par, "db-gpios", i, + ret = fbtft_request_one_gpio(par, "db", i, &par->gpio.db[i]); if (ret) return ret; - ret = fbtft_request_one_gpio(par, "led-gpios", i, + ret = fbtft_request_one_gpio(par, "led", i, &par->gpio.led[i]); if (ret) return ret; - ret = fbtft_request_one_gpio(par, "aux-gpios", i, + ret = fbtft_request_one_gpio(par, "aux", i, &par->gpio.aux[i]); if (ret) return ret; @@ -234,9 +231,9 @@ static void fbtft_reset(struct fbtft_par *par) if (!par->gpio.reset) return; fbtft_par_dbg(DEBUG_RESET, par, "%s()\n", __func__); - gpiod_set_value_cansleep(par->gpio.reset, 0); - usleep_range(20, 40); gpiod_set_value_cansleep(par->gpio.reset, 1); + usleep_range(20, 40); + gpiod_set_value_cansleep(par->gpio.reset, 0); msleep(120); } @@ -921,7 +918,7 @@ static int fbtft_init_display_dt(struct fbtft_par *par) return -EINVAL; par->fbtftops.reset(par); - if (!par->gpio.cs) + if (par->gpio.cs) gpiod_set_value(par->gpio.cs, 0); /* Activate chip */ while (p) { @@ -1012,7 +1009,7 @@ int fbtft_init_display(struct fbtft_par *par) } par->fbtftops.reset(par); - if (!par->gpio.cs) + if (par->gpio.cs) gpiod_set_value(par->gpio.cs, 0); /* Activate chip */ i = 0; diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c index 2be45ee9d061..464648ee2036 100644 --- a/drivers/staging/gasket/apex_driver.c +++ b/drivers/staging/gasket/apex_driver.c @@ -532,7 +532,7 @@ static ssize_t sysfs_show(struct device *device, struct device_attribute *attr, break; case ATTR_KERNEL_HIB_SIMPLE_PAGE_TABLE_SIZE: ret = scnprintf(buf, PAGE_SIZE, "%u\n", - gasket_page_table_num_entries( + gasket_page_table_num_simple_entries( gasket_dev->page_table[0])); break; case ATTR_KERNEL_HIB_NUM_ACTIVE_PAGES: diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index 9d4f1dab0968..40dd573e73c3 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -1750,7 +1750,8 @@ static int visornic_poll(struct napi_struct *napi, int budget) } /* poll_for_irq - checks the status of the response queue - * @v: Void pointer to the visronic devdata struct. + * @t: pointer to the 'struct timer_list' from which we can retrieve the + * the visornic devdata struct. * * Main function of the vnic_incoming thread. Periodically check the response * queue and drain it if needed. diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c index d72fdd333050..736eedef23b6 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c @@ -1969,6 +1969,7 @@ void wilc_deinit_host_int(struct net_device *net) priv->p2p_listen_state = false; + flush_workqueue(vif->wilc->hif_workqueue); mutex_destroy(&priv->scan_req_lock); ret = wilc_deinit(vif); diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index bfe5e9e034ec..c7d51b51898f 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -277,10 +277,14 @@ static void kgdboc_pre_exp_handler(void) /* Increment the module count when the debugger is active */ if (!kgdb_connected) try_module_get(THIS_MODULE); + + atomic_inc(&ignore_console_lock_warning); } static void kgdboc_post_exp_handler(void) { + atomic_dec(&ignore_console_lock_warning); + /* decrement the module count when the debugger detaches */ if (!kgdb_connected) module_put(THIS_MODULE); diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index b265ab5405f9..9063ede411ae 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1812,8 +1812,6 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb return 0; error: - if (as && as->usbm) - dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count); kfree(isopkt); kfree(dr); if (as) diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 9320787ac2e6..2ccbc2f83570 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -103,11 +103,6 @@ static DEFINE_SPINLOCK(hcd_urb_unlink_lock); /* wait queue for synchronous unlinks */ DECLARE_WAIT_QUEUE_HEAD(usb_kill_urb_queue); -static inline int is_root_hub(struct usb_device *udev) -{ - return (udev->parent == NULL); -} - /*-------------------------------------------------------------------------*/ /* @@ -880,101 +875,6 @@ static int usb_rh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) } - -/* - * Show & store the current value of authorized_default - */ -static ssize_t authorized_default_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct usb_device *rh_usb_dev = to_usb_device(dev); - struct usb_bus *usb_bus = rh_usb_dev->bus; - struct usb_hcd *hcd; - - hcd = bus_to_hcd(usb_bus); - return snprintf(buf, PAGE_SIZE, "%u\n", hcd->dev_policy); -} - -static ssize_t authorized_default_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t size) -{ - ssize_t result; - unsigned val; - struct usb_device *rh_usb_dev = to_usb_device(dev); - struct usb_bus *usb_bus = rh_usb_dev->bus; - struct usb_hcd *hcd; - - hcd = bus_to_hcd(usb_bus); - result = sscanf(buf, "%u\n", &val); - if (result == 1) { - hcd->dev_policy = val <= USB_DEVICE_AUTHORIZE_INTERNAL ? - val : USB_DEVICE_AUTHORIZE_ALL; - result = size; - } else { - result = -EINVAL; - } - return result; -} -static DEVICE_ATTR_RW(authorized_default); - -/* - * interface_authorized_default_show - show default authorization status - * for USB interfaces - * - * note: interface_authorized_default is the default value - * for initializing the authorized attribute of interfaces - */ -static ssize_t interface_authorized_default_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct usb_device *usb_dev = to_usb_device(dev); - struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); - - return sprintf(buf, "%u\n", !!HCD_INTF_AUTHORIZED(hcd)); -} - -/* - * interface_authorized_default_store - store default authorization status - * for USB interfaces - * - * note: interface_authorized_default is the default value - * for initializing the authorized attribute of interfaces - */ -static ssize_t interface_authorized_default_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct usb_device *usb_dev = to_usb_device(dev); - struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); - int rc = count; - bool val; - - if (strtobool(buf, &val) != 0) - return -EINVAL; - - if (val) - set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); - else - clear_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); - - return rc; -} -static DEVICE_ATTR_RW(interface_authorized_default); - -/* Group all the USB bus attributes */ -static struct attribute *usb_bus_attrs[] = { - &dev_attr_authorized_default.attr, - &dev_attr_interface_authorized_default.attr, - NULL, -}; - -static const struct attribute_group usb_bus_attr_group = { - .name = NULL, /* we want them in the same directory */ - .attrs = usb_bus_attrs, -}; - - - /*-------------------------------------------------------------------------*/ /** @@ -2894,32 +2794,11 @@ int usb_add_hcd(struct usb_hcd *hcd, if (retval != 0) goto err_register_root_hub; - retval = sysfs_create_group(&rhdev->dev.kobj, &usb_bus_attr_group); - if (retval < 0) { - printk(KERN_ERR "Cannot register USB bus sysfs attributes: %d\n", - retval); - goto error_create_attr_group; - } if (hcd->uses_new_polling && HCD_POLL_RH(hcd)) usb_hcd_poll_rh_status(hcd); return retval; -error_create_attr_group: - clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); - if (HC_IS_RUNNING(hcd->state)) - hcd->state = HC_STATE_QUIESCING; - spin_lock_irq(&hcd_root_hub_lock); - hcd->rh_registered = 0; - spin_unlock_irq(&hcd_root_hub_lock); - -#ifdef CONFIG_PM - cancel_work_sync(&hcd->wakeup_work); -#endif - cancel_work_sync(&hcd->died_work); - mutex_lock(&usb_bus_idr_lock); - usb_disconnect(&rhdev); /* Sets rhdev to NULL */ - mutex_unlock(&usb_bus_idr_lock); err_register_root_hub: hcd->rh_pollable = 0; clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); @@ -2963,8 +2842,6 @@ void usb_remove_hcd(struct usb_hcd *hcd) dev_info(hcd->self.controller, "remove, state %x\n", hcd->state); usb_get_dev(rhdev); - sysfs_remove_group(&rhdev->dev.kobj, &usb_bus_attr_group); - clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); if (HC_IS_RUNNING (hcd->state)) hcd->state = HC_STATE_QUIESCING; diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 7e88fdfe3cf5..f19694e69f5c 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -15,6 +15,7 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/usb.h> +#include <linux/usb/hcd.h> #include <linux/usb/quirks.h> #include <linux/of.h> #include "usb.h" @@ -922,6 +923,116 @@ static struct bin_attribute dev_bin_attr_descriptors = { .size = 18 + 65535, /* dev descr + max-size raw descriptor */ }; +/* + * Show & store the current value of authorized_default + */ +static ssize_t authorized_default_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct usb_device *rh_usb_dev = to_usb_device(dev); + struct usb_bus *usb_bus = rh_usb_dev->bus; + struct usb_hcd *hcd; + + hcd = bus_to_hcd(usb_bus); + return snprintf(buf, PAGE_SIZE, "%u\n", hcd->dev_policy); +} + +static ssize_t authorized_default_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t size) +{ + ssize_t result; + unsigned int val; + struct usb_device *rh_usb_dev = to_usb_device(dev); + struct usb_bus *usb_bus = rh_usb_dev->bus; + struct usb_hcd *hcd; + + hcd = bus_to_hcd(usb_bus); + result = sscanf(buf, "%u\n", &val); + if (result == 1) { + hcd->dev_policy = val <= USB_DEVICE_AUTHORIZE_INTERNAL ? + val : USB_DEVICE_AUTHORIZE_ALL; + result = size; + } else { + result = -EINVAL; + } + return result; +} +static DEVICE_ATTR_RW(authorized_default); + +/* + * interface_authorized_default_show - show default authorization status + * for USB interfaces + * + * note: interface_authorized_default is the default value + * for initializing the authorized attribute of interfaces + */ +static ssize_t interface_authorized_default_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct usb_device *usb_dev = to_usb_device(dev); + struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); + + return sprintf(buf, "%u\n", !!HCD_INTF_AUTHORIZED(hcd)); +} + +/* + * interface_authorized_default_store - store default authorization status + * for USB interfaces + * + * note: interface_authorized_default is the default value + * for initializing the authorized attribute of interfaces + */ +static ssize_t interface_authorized_default_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct usb_device *usb_dev = to_usb_device(dev); + struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); + int rc = count; + bool val; + + if (strtobool(buf, &val) != 0) + return -EINVAL; + + if (val) + set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); + else + clear_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); + + return rc; +} +static DEVICE_ATTR_RW(interface_authorized_default); + +/* Group all the USB bus attributes */ +static struct attribute *usb_bus_attrs[] = { + &dev_attr_authorized_default.attr, + &dev_attr_interface_authorized_default.attr, + NULL, +}; + +static const struct attribute_group usb_bus_attr_group = { + .name = NULL, /* we want them in the same directory */ + .attrs = usb_bus_attrs, +}; + + +static int add_default_authorized_attributes(struct device *dev) +{ + int rc = 0; + + if (is_usb_device(dev)) + rc = sysfs_create_group(&dev->kobj, &usb_bus_attr_group); + + return rc; +} + +static void remove_default_authorized_attributes(struct device *dev) +{ + if (is_usb_device(dev)) { + sysfs_remove_group(&dev->kobj, &usb_bus_attr_group); + } +} + int usb_create_sysfs_dev_files(struct usb_device *udev) { struct device *dev = &udev->dev; @@ -938,7 +1049,14 @@ int usb_create_sysfs_dev_files(struct usb_device *udev) retval = add_power_attributes(dev); if (retval) goto error; + + if (is_root_hub(udev)) { + retval = add_default_authorized_attributes(dev); + if (retval) + goto error; + } return retval; + error: usb_remove_sysfs_dev_files(udev); return retval; @@ -948,6 +1066,9 @@ void usb_remove_sysfs_dev_files(struct usb_device *udev) { struct device *dev = &udev->dev; + if (is_root_hub(udev)) + remove_default_authorized_attributes(dev); + remove_power_attributes(dev); remove_persist_attributes(dev); device_remove_bin_file(dev, &dev_bin_attr_descriptors); diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index bd8d01f85a13..0c9fde5ad052 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -153,6 +153,11 @@ static inline int is_usb_port(const struct device *dev) return dev->type == &usb_port_device_type; } +static inline int is_root_hub(struct usb_device *udev) +{ + return (udev->parent == NULL); +} + /* Do the same for device drivers and interface drivers. */ static inline int is_usb_device_driver(struct device_driver *drv) diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index 671bce18782c..8616c52849c6 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -238,10 +238,15 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd) * pointers. So, this driver clears the AC64 bit of xhci->hcc_params * to call dma_set_coherent_mask(dev, DMA_BIT_MASK(32)) in * xhci_gen_setup(). + * + * And, since the firmware/internal CPU control the USBSTS.STS_HALT + * and the process speed is down when the roothub port enters U3, + * long delay for the handshake of STS_HALT is neeed in xhci_suspend(). */ if (xhci_rcar_is_gen2(hcd->self.controller) || - xhci_rcar_is_gen3(hcd->self.controller)) - xhci->quirks |= XHCI_NO_64BIT_SUPPORT; + xhci_rcar_is_gen3(hcd->self.controller)) { + xhci->quirks |= XHCI_NO_64BIT_SUPPORT | XHCI_SLOW_SUSPEND; + } if (!xhci_rcar_wait_for_pll_active(hcd)) return -ETIMEDOUT; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 248cd7a8b163..03d1e552769b 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3089,8 +3089,18 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd, return; udev = (struct usb_device *) host_ep->hcpriv; vdev = xhci->devs[udev->slot_id]; + + /* + * vdev may be lost due to xHC restore error and re-initialization + * during S3/S4 resume. A new vdev will be allocated later by + * xhci_discover_or_reset_device() + */ + if (!udev->slot_id || !vdev) + return; ep_index = xhci_get_endpoint_index(&host_ep->desc); ep = &vdev->eps[ep_index]; + if (!ep) + return; /* Bail out if toggle is already being cleared by a endpoint reset */ if (ep->ep_state & EP_HARD_CLEAR_TOGGLE) { diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index ba05dd80a020..f5bed9f29e56 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -866,19 +866,20 @@ static void iowarrior_disconnect(struct usb_interface *interface) dev = usb_get_intfdata(interface); mutex_lock(&iowarrior_open_disc_lock); usb_set_intfdata(interface, NULL); + /* prevent device read, write and ioctl */ + dev->present = 0; minor = dev->minor; + mutex_unlock(&iowarrior_open_disc_lock); + /* give back our minor - this will call close() locks need to be dropped at this point*/ - /* give back our minor */ usb_deregister_dev(interface, &iowarrior_class); mutex_lock(&dev->mutex); /* prevent device read, write and ioctl */ - dev->present = 0; mutex_unlock(&dev->mutex); - mutex_unlock(&iowarrior_open_disc_lock); if (dev->opened) { /* There is a process that holds a filedescriptor to the device , diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c index 27e9c78a791e..a32d61a79ab8 100644 --- a/drivers/usb/misc/rio500.c +++ b/drivers/usb/misc/rio500.c @@ -51,6 +51,7 @@ struct rio_usb_data { char *obuf, *ibuf; /* transfer buffers */ char bulk_in_ep, bulk_out_ep; /* Endpoint assignments */ wait_queue_head_t wait_q; /* for timeouts */ + struct mutex lock; /* general race avoidance */ }; static DEFINE_MUTEX(rio500_mutex); @@ -62,8 +63,10 @@ static int open_rio(struct inode *inode, struct file *file) /* against disconnect() */ mutex_lock(&rio500_mutex); + mutex_lock(&(rio->lock)); if (rio->isopen || !rio->present) { + mutex_unlock(&(rio->lock)); mutex_unlock(&rio500_mutex); return -EBUSY; } @@ -71,6 +74,7 @@ static int open_rio(struct inode *inode, struct file *file) init_waitqueue_head(&rio->wait_q); + mutex_unlock(&(rio->lock)); dev_info(&rio->rio_dev->dev, "Rio opened.\n"); mutex_unlock(&rio500_mutex); @@ -84,6 +88,7 @@ static int close_rio(struct inode *inode, struct file *file) /* against disconnect() */ mutex_lock(&rio500_mutex); + mutex_lock(&(rio->lock)); rio->isopen = 0; if (!rio->present) { @@ -95,6 +100,7 @@ static int close_rio(struct inode *inode, struct file *file) } else { dev_info(&rio->rio_dev->dev, "Rio closed.\n"); } + mutex_unlock(&(rio->lock)); mutex_unlock(&rio500_mutex); return 0; } @@ -109,7 +115,7 @@ static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg) int retries; int retval=0; - mutex_lock(&rio500_mutex); + mutex_lock(&(rio->lock)); /* Sanity check to make sure rio is connected, powered, etc */ if (rio->present == 0 || rio->rio_dev == NULL) { retval = -ENODEV; @@ -253,7 +259,7 @@ static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg) err_out: - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return retval; } @@ -273,12 +279,12 @@ write_rio(struct file *file, const char __user *buffer, int errn = 0; int intr; - intr = mutex_lock_interruptible(&rio500_mutex); + intr = mutex_lock_interruptible(&(rio->lock)); if (intr) return -EINTR; /* Sanity check to make sure rio is connected, powered, etc */ if (rio->present == 0 || rio->rio_dev == NULL) { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return -ENODEV; } @@ -301,7 +307,7 @@ write_rio(struct file *file, const char __user *buffer, goto error; } if (signal_pending(current)) { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return bytes_written ? bytes_written : -EINTR; } @@ -339,12 +345,12 @@ write_rio(struct file *file, const char __user *buffer, buffer += copy_size; } while (count > 0); - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return bytes_written ? bytes_written : -EIO; error: - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return errn; } @@ -361,12 +367,12 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos) char *ibuf; int intr; - intr = mutex_lock_interruptible(&rio500_mutex); + intr = mutex_lock_interruptible(&(rio->lock)); if (intr) return -EINTR; /* Sanity check to make sure rio is connected, powered, etc */ if (rio->present == 0 || rio->rio_dev == NULL) { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return -ENODEV; } @@ -377,11 +383,11 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos) while (count > 0) { if (signal_pending(current)) { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return read_count ? read_count : -EINTR; } if (!rio->rio_dev) { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return -ENODEV; } this_read = (count >= IBUF_SIZE) ? IBUF_SIZE : count; @@ -399,7 +405,7 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos) count = this_read = partial; } else if (result == -ETIMEDOUT || result == 15) { /* FIXME: 15 ??? */ if (!maxretry--) { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); dev_err(&rio->rio_dev->dev, "read_rio: maxretry timeout\n"); return -ETIME; @@ -409,19 +415,19 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos) finish_wait(&rio->wait_q, &wait); continue; } else if (result != -EREMOTEIO) { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); dev_err(&rio->rio_dev->dev, "Read Whoops - result:%d partial:%u this_read:%u\n", result, partial, this_read); return -EIO; } else { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return (0); } if (this_read) { if (copy_to_user(buffer, ibuf, this_read)) { - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return -EFAULT; } count -= this_read; @@ -429,7 +435,7 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos) buffer += this_read; } } - mutex_unlock(&rio500_mutex); + mutex_unlock(&(rio->lock)); return read_count; } @@ -494,6 +500,8 @@ static int probe_rio(struct usb_interface *intf, } dev_dbg(&intf->dev, "ibuf address:%p\n", rio->ibuf); + mutex_init(&(rio->lock)); + usb_set_intfdata (intf, rio); rio->present = 1; bail_out: @@ -511,10 +519,12 @@ static void disconnect_rio(struct usb_interface *intf) if (rio) { usb_deregister_dev(intf, &usb_rio_class); + mutex_lock(&(rio->lock)); if (rio->isopen) { rio->isopen = 0; /* better let it finish - the release will do whats needed */ rio->rio_dev = NULL; + mutex_unlock(&(rio->lock)); mutex_unlock(&rio500_mutex); return; } @@ -524,6 +534,7 @@ static void disconnect_rio(struct usb_interface *intf) dev_info(&intf->dev, "USB Rio disconnected.\n"); rio->present = 0; + mutex_unlock(&(rio->lock)); } mutex_unlock(&rio500_mutex); } diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 7b306aa22d25..6715a128e6c8 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -92,7 +92,6 @@ static void yurex_delete(struct kref *kref) dev_dbg(&dev->interface->dev, "%s\n", __func__); - usb_put_dev(dev->udev); if (dev->cntl_urb) { usb_kill_urb(dev->cntl_urb); kfree(dev->cntl_req); @@ -108,6 +107,7 @@ static void yurex_delete(struct kref *kref) dev->int_buffer, dev->urb->transfer_dma); usb_free_urb(dev->urb); } + usb_put_dev(dev->udev); kfree(dev); } diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index fba32d84e578..15abe1d9958f 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -379,7 +379,8 @@ static enum tcpm_state tcpm_default_state(struct tcpm_port *port) return SNK_UNATTACHED; else if (port->try_role == TYPEC_SOURCE) return SRC_UNATTACHED; - else if (port->tcpc->config->default_role == TYPEC_SINK) + else if (port->tcpc->config && + port->tcpc->config->default_role == TYPEC_SINK) return SNK_UNATTACHED; /* Fall through to return SRC_UNATTACHED */ } else if (port->port_type == TYPEC_PORT_SNK) { @@ -586,7 +587,20 @@ static void tcpm_debugfs_init(struct tcpm_port *port) static void tcpm_debugfs_exit(struct tcpm_port *port) { + int i; + + mutex_lock(&port->logbuffer_lock); + for (i = 0; i < LOG_BUFFER_ENTRIES; i++) { + kfree(port->logbuffer[i]); + port->logbuffer[i] = NULL; + } + mutex_unlock(&port->logbuffer_lock); + debugfs_remove(port->dentry); + if (list_empty(&rootdir->d_subdirs)) { + debugfs_remove(rootdir); + rootdir = NULL; + } } #else @@ -1095,7 +1109,8 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt, break; case CMD_ATTENTION: /* Attention command does not have response */ - typec_altmode_attention(adev, p[1]); + if (adev) + typec_altmode_attention(adev, p[1]); return 0; default: break; @@ -1147,20 +1162,26 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt, } break; case CMD_ENTER_MODE: - typec_altmode_update_active(pdev, true); - - if (typec_altmode_vdm(adev, p[0], &p[1], cnt)) { - response[0] = VDO(adev->svid, 1, CMD_EXIT_MODE); - response[0] |= VDO_OPOS(adev->mode); - return 1; + if (adev && pdev) { + typec_altmode_update_active(pdev, true); + + if (typec_altmode_vdm(adev, p[0], &p[1], cnt)) { + response[0] = VDO(adev->svid, 1, + CMD_EXIT_MODE); + response[0] |= VDO_OPOS(adev->mode); + return 1; + } } return 0; case CMD_EXIT_MODE: - typec_altmode_update_active(pdev, false); + if (adev && pdev) { + typec_altmode_update_active(pdev, false); - /* Back to USB Operation */ - WARN_ON(typec_altmode_notify(adev, TYPEC_STATE_USB, - NULL)); + /* Back to USB Operation */ + WARN_ON(typec_altmode_notify(adev, + TYPEC_STATE_USB, + NULL)); + } break; default: break; @@ -1170,8 +1191,10 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt, switch (cmd) { case CMD_ENTER_MODE: /* Back to USB Operation */ - WARN_ON(typec_altmode_notify(adev, TYPEC_STATE_USB, - NULL)); + if (adev) + WARN_ON(typec_altmode_notify(adev, + TYPEC_STATE_USB, + NULL)); break; default: break; @@ -1182,7 +1205,8 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt, } /* Informing the alternate mode drivers about everything */ - typec_altmode_vdm(adev, p[0], &p[1], cnt); + if (adev) + typec_altmode_vdm(adev, p[0], &p[1], cnt); return rlen; } @@ -4114,7 +4138,7 @@ static int tcpm_try_role(const struct typec_capability *cap, int role) mutex_lock(&port->lock); if (tcpc->try_role) ret = tcpc->try_role(tcpc, role); - if (!ret && !tcpc->config->try_role_hw) + if (!ret && (!tcpc->config || !tcpc->config->try_role_hw)) port->try_role = role; port->try_src_count = 0; port->try_snk_count = 0; @@ -4701,7 +4725,7 @@ static int tcpm_copy_caps(struct tcpm_port *port, port->typec_caps.prefer_role = tcfg->default_role; port->typec_caps.type = tcfg->type; port->typec_caps.data = tcfg->data; - port->self_powered = port->tcpc->config->self_powered; + port->self_powered = tcfg->self_powered; return 0; } diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c index f7a79a23ebed..8e9f8fba55af 100644 --- a/drivers/usb/typec/ucsi/ucsi_ccg.c +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c @@ -1018,7 +1018,7 @@ release_fw: ******************************************************************************/ static int ccg_fw_update(struct ucsi_ccg *uc, enum enum_flash_mode flash_mode) { - int err; + int err = 0; while (flash_mode != FLASH_NOT_NEEDED) { err = do_flash(uc, flash_mode); diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 90eca64e3144..702cca59bda1 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -447,6 +447,7 @@ static int set_color_mode(struct omapfb_plane_struct *plane, return 0; case 12: var->bits_per_pixel = 16; + /* fall through */ case 16: if (plane->fbdev->panel->bpp == 12) plane->color_mode = OMAPFB_COLOR_RGB444; @@ -1534,20 +1535,27 @@ static void omapfb_free_resources(struct omapfb_device *fbdev, int state) case OMAPFB_ACTIVE: for (i = 0; i < fbdev->mem_desc.region_cnt; i++) unregister_framebuffer(fbdev->fb_info[i]); + /* fall through */ case 7: omapfb_unregister_sysfs(fbdev); + /* fall through */ case 6: if (fbdev->panel->disable) fbdev->panel->disable(fbdev->panel); + /* fall through */ case 5: omapfb_set_update_mode(fbdev, OMAPFB_UPDATE_DISABLED); + /* fall through */ case 4: planes_cleanup(fbdev); + /* fall through */ case 3: ctrl_cleanup(fbdev); + /* fall through */ case 2: if (fbdev->panel->cleanup) fbdev->panel->cleanup(fbdev->panel); + /* fall through */ case 1: dev_set_drvdata(fbdev->dev, NULL); kfree(fbdev); diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c index b9b2d06b3879..668a1c704f28 100644 --- a/drivers/watchdog/ar7_wdt.c +++ b/drivers/watchdog/ar7_wdt.c @@ -235,6 +235,7 @@ static long ar7_wdt_ioctl(struct file *file, ar7_wdt_update_margin(new_margin); ar7_wdt_kick(1); spin_unlock(&wdt_lock); + /* Fall through */ case WDIOC_GETTIMEOUT: if (put_user(margin, (int *)arg)) diff --git a/drivers/watchdog/pcwd.c b/drivers/watchdog/pcwd.c index 1b2cf5b95a89..c3c93e00b320 100644 --- a/drivers/watchdog/pcwd.c +++ b/drivers/watchdog/pcwd.c @@ -651,7 +651,7 @@ static long pcwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return -EINVAL; pcwd_keepalive(); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(heartbeat, argp); diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c index 41a2a11535a6..b35f7be20c00 100644 --- a/drivers/watchdog/riowd.c +++ b/drivers/watchdog/riowd.c @@ -134,7 +134,7 @@ static long riowd_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return -EINVAL; riowd_timeout = (new_margin + 59) / 60; riowd_writereg(p, riowd_timeout, WDTO_INDEX); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(riowd_timeout * 60, (int __user *)argp); diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c index 5a6ced7a7e8f..202fc8d8ca5f 100644 --- a/drivers/watchdog/sb_wdog.c +++ b/drivers/watchdog/sb_wdog.c @@ -202,6 +202,7 @@ static long sbwdog_ioctl(struct file *file, unsigned int cmd, timeout = time; sbwdog_set(user_dog, timeout); sbwdog_pet(user_dog); + /* Fall through */ case WDIOC_GETTIMEOUT: /* diff --git a/drivers/watchdog/scx200_wdt.c b/drivers/watchdog/scx200_wdt.c index efd7996694de..46268309ee9b 100644 --- a/drivers/watchdog/scx200_wdt.c +++ b/drivers/watchdog/scx200_wdt.c @@ -186,6 +186,7 @@ static long scx200_wdt_ioctl(struct file *file, unsigned int cmd, margin = new_margin; scx200_wdt_update_margin(); scx200_wdt_ping(); + /* Fall through */ case WDIOC_GETTIMEOUT: if (put_user(margin, p)) return -EFAULT; diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c index 0650100fad00..7d278b37e083 100644 --- a/drivers/watchdog/wdt.c +++ b/drivers/watchdog/wdt.c @@ -389,7 +389,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (wdt_set_heartbeat(new_heartbeat)) return -EINVAL; wdt_ping(); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(heartbeat, p); default: diff --git a/drivers/watchdog/wdt977.c b/drivers/watchdog/wdt977.c index 567005d7598e..5c52c73e1839 100644 --- a/drivers/watchdog/wdt977.c +++ b/drivers/watchdog/wdt977.c @@ -398,7 +398,7 @@ static long wdt977_ioctl(struct file *file, unsigned int cmd, return -EINVAL; wdt977_keepalive(); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(timeout, uarg.i); diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 4c339c7e66e5..a446a7221e13 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -1143,7 +1143,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) goto out_put_map; if (!use_ptemod) { - err = vm_map_pages(vma, map->pages, map->count); + err = vm_map_pages_zero(vma, map->pages, map->count); if (err) goto out_put_map; } else { diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 2f5ce7230a43..c6070e70dd73 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -724,25 +724,6 @@ static long privcmd_ioctl_restrict(struct file *file, void __user *udata) return 0; } -struct remap_pfn { - struct mm_struct *mm; - struct page **pages; - pgprot_t prot; - unsigned long i; -}; - -static int remap_pfn_fn(pte_t *ptep, unsigned long addr, void *data) -{ - struct remap_pfn *r = data; - struct page *page = r->pages[r->i]; - pte_t pte = pte_mkspecial(pfn_pte(page_to_pfn(page), r->prot)); - - set_pte_at(r->mm, addr, ptep, pte); - r->i++; - - return 0; -} - static long privcmd_ioctl_mmap_resource(struct file *file, void __user *udata) { struct privcmd_data *data = file->private_data; @@ -774,7 +755,8 @@ static long privcmd_ioctl_mmap_resource(struct file *file, void __user *udata) goto out; } - if (xen_feature(XENFEAT_auto_translated_physmap)) { + if (IS_ENABLED(CONFIG_XEN_AUTO_XLATE) && + xen_feature(XENFEAT_auto_translated_physmap)) { unsigned int nr = DIV_ROUND_UP(kdata.num, XEN_PFN_PER_PAGE); struct page **pages; unsigned int i; @@ -808,16 +790,9 @@ static long privcmd_ioctl_mmap_resource(struct file *file, void __user *udata) if (rc) goto out; - if (xen_feature(XENFEAT_auto_translated_physmap)) { - struct remap_pfn r = { - .mm = vma->vm_mm, - .pages = vma->vm_private_data, - .prot = vma->vm_page_prot, - }; - - rc = apply_to_page_range(r.mm, kdata.addr, - kdata.num << PAGE_SHIFT, - remap_pfn_fn, &r); + if (IS_ENABLED(CONFIG_XEN_AUTO_XLATE) && + xen_feature(XENFEAT_auto_translated_physmap)) { + rc = xen_remap_vma_range(vma, kdata.addr, kdata.num << PAGE_SHIFT); } else { unsigned int domid = (xdata.flags & XENMEM_rsrc_acq_caller_owned) ? diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index cfbe46785a3b..ae1df496bf38 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -83,34 +83,18 @@ static inline dma_addr_t xen_virt_to_bus(void *address) return xen_phys_to_bus(virt_to_phys(address)); } -static int check_pages_physically_contiguous(unsigned long xen_pfn, - unsigned int offset, - size_t length) +static inline int range_straddles_page_boundary(phys_addr_t p, size_t size) { - unsigned long next_bfn; - int i; - int nr_pages; + unsigned long next_bfn, xen_pfn = XEN_PFN_DOWN(p); + unsigned int i, nr_pages = XEN_PFN_UP(xen_offset_in_page(p) + size); next_bfn = pfn_to_bfn(xen_pfn); - nr_pages = (offset + length + XEN_PAGE_SIZE-1) >> XEN_PAGE_SHIFT; - for (i = 1; i < nr_pages; i++) { + for (i = 1; i < nr_pages; i++) if (pfn_to_bfn(++xen_pfn) != ++next_bfn) - return 0; - } - return 1; -} + return 1; -static inline int range_straddles_page_boundary(phys_addr_t p, size_t size) -{ - unsigned long xen_pfn = XEN_PFN_DOWN(p); - unsigned int offset = p & ~XEN_PAGE_MASK; - - if (offset + size <= XEN_PAGE_SIZE) - return 0; - if (check_pages_physically_contiguous(xen_pfn, offset, size)) - return 0; - return 1; + return 0; } static int is_xen_swiotlb_buffer(dma_addr_t dma_addr) @@ -338,6 +322,7 @@ xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size, xen_free_coherent_pages(hwdev, size, ret, (dma_addr_t)phys, attrs); return NULL; } + SetPageXenRemapped(virt_to_page(ret)); } memset(ret, 0, size); return ret; @@ -361,8 +346,9 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr, /* Convert the size to actually allocated. */ size = 1UL << (order + XEN_PAGE_SHIFT); - if (((dev_addr + size - 1 <= dma_mask)) || - range_straddles_page_boundary(phys, size)) + if (!WARN_ON((dev_addr + size - 1 > dma_mask) || + range_straddles_page_boundary(phys, size)) && + TestClearPageXenRemapped(virt_to_page(vaddr))) xen_destroy_contiguous_region(phys, order); xen_free_coherent_pages(hwdev, size, vaddr, (dma_addr_t)phys, attrs); diff --git a/drivers/xen/xen-pciback/conf_space_capability.c b/drivers/xen/xen-pciback/conf_space_capability.c index 73427d8e0116..e5694133ebe5 100644 --- a/drivers/xen/xen-pciback/conf_space_capability.c +++ b/drivers/xen/xen-pciback/conf_space_capability.c @@ -116,13 +116,12 @@ static int pm_ctrl_write(struct pci_dev *dev, int offset, u16 new_value, { int err; u16 old_value; - pci_power_t new_state, old_state; + pci_power_t new_state; err = pci_read_config_word(dev, offset, &old_value); if (err) goto out; - old_state = (pci_power_t)(old_value & PCI_PM_CTRL_STATE_MASK); new_state = (pci_power_t)(new_value & PCI_PM_CTRL_STATE_MASK); new_value &= PM_OK_BITS; diff --git a/drivers/xen/xlate_mmu.c b/drivers/xen/xlate_mmu.c index ba883a80b3c0..7b1077f0abcb 100644 --- a/drivers/xen/xlate_mmu.c +++ b/drivers/xen/xlate_mmu.c @@ -262,3 +262,35 @@ int __init xen_xlate_map_ballooned_pages(xen_pfn_t **gfns, void **virt, return 0; } EXPORT_SYMBOL_GPL(xen_xlate_map_ballooned_pages); + +struct remap_pfn { + struct mm_struct *mm; + struct page **pages; + pgprot_t prot; + unsigned long i; +}; + +static int remap_pfn_fn(pte_t *ptep, unsigned long addr, void *data) +{ + struct remap_pfn *r = data; + struct page *page = r->pages[r->i]; + pte_t pte = pte_mkspecial(pfn_pte(page_to_pfn(page), r->prot)); + + set_pte_at(r->mm, addr, ptep, pte); + r->i++; + + return 0; +} + +/* Used by the privcmd module, but has to be built-in on ARM */ +int xen_remap_vma_range(struct vm_area_struct *vma, unsigned long addr, unsigned long len) +{ + struct remap_pfn r = { + .mm = vma->vm_mm, + .pages = vma->vm_private_data, + .prot = vma->vm_page_prot, + }; + + return apply_to_page_range(vma->vm_mm, addr, len, remap_pfn_fn, &r); +} +EXPORT_SYMBOL_GPL(xen_remap_vma_range); diff --git a/fs/block_dev.c b/fs/block_dev.c index c2a85b587922..eb657ab94060 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -349,7 +349,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) loff_t pos = iocb->ki_pos; blk_qc_t qc = BLK_QC_T_NONE; gfp_t gfp; - ssize_t ret; + int ret; if ((pos | iov_iter_alignment(iter)) & (bdev_logical_block_size(bdev) - 1)) @@ -386,8 +386,6 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) ret = 0; for (;;) { - int err; - bio_set_dev(bio, bdev); bio->bi_iter.bi_sector = pos >> 9; bio->bi_write_hint = iocb->ki_hint; @@ -395,10 +393,8 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) bio->bi_end_io = blkdev_bio_end_io; bio->bi_ioprio = iocb->ki_ioprio; - err = bio_iov_iter_get_pages(bio, iter); - if (unlikely(err)) { - if (!ret) - ret = err; + ret = bio_iov_iter_get_pages(bio, iter); + if (unlikely(ret)) { bio->bi_status = BLK_STS_IOERR; bio_endio(bio); break; @@ -421,7 +417,6 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) if (nowait) bio->bi_opf |= (REQ_NOWAIT | REQ_NOWAIT_INLINE); - dio->size += bio->bi_iter.bi_size; pos += bio->bi_iter.bi_size; nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES); @@ -433,10 +428,11 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) polled = true; } + dio->size += bio->bi_iter.bi_size; qc = submit_bio(bio); if (qc == BLK_QC_T_EAGAIN) { - if (!ret) - ret = -EAGAIN; + dio->size -= bio->bi_iter.bi_size; + ret = -EAGAIN; goto error; } @@ -459,18 +455,17 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) atomic_inc(&dio->ref); } + dio->size += bio->bi_iter.bi_size; qc = submit_bio(bio); if (qc == BLK_QC_T_EAGAIN) { - if (!ret) - ret = -EAGAIN; + dio->size -= bio->bi_iter.bi_size; + ret = -EAGAIN; goto error; } - ret += bio->bi_iter.bi_size; bio = bio_alloc(gfp, nr_pages); if (!bio) { - if (!ret) - ret = -EAGAIN; + ret = -EAGAIN; goto error; } } @@ -495,6 +490,8 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) out: if (!ret) ret = blk_status_to_errno(dio->bio.bi_status); + if (likely(!ret)) + ret = dio->size; bio_put(&dio->bio); return ret; @@ -1181,8 +1178,7 @@ static struct gendisk *bdev_get_gendisk(struct block_device *bdev, int *partno) * Pointer to the block device containing @bdev on success, ERR_PTR() * value on failure. */ -static struct block_device *bd_start_claiming(struct block_device *bdev, - void *holder) +struct block_device *bd_start_claiming(struct block_device *bdev, void *holder) { struct gendisk *disk; struct block_device *whole; @@ -1229,6 +1225,62 @@ static struct block_device *bd_start_claiming(struct block_device *bdev, return ERR_PTR(err); } } +EXPORT_SYMBOL(bd_start_claiming); + +static void bd_clear_claiming(struct block_device *whole, void *holder) +{ + lockdep_assert_held(&bdev_lock); + /* tell others that we're done */ + BUG_ON(whole->bd_claiming != holder); + whole->bd_claiming = NULL; + wake_up_bit(&whole->bd_claiming, 0); +} + +/** + * bd_finish_claiming - finish claiming of a block device + * @bdev: block device of interest + * @whole: whole block device (returned from bd_start_claiming()) + * @holder: holder that has claimed @bdev + * + * Finish exclusive open of a block device. Mark the device as exlusively + * open by the holder and wake up all waiters for exclusive open to finish. + */ +void bd_finish_claiming(struct block_device *bdev, struct block_device *whole, + void *holder) +{ + spin_lock(&bdev_lock); + BUG_ON(!bd_may_claim(bdev, whole, holder)); + /* + * Note that for a whole device bd_holders will be incremented twice, + * and bd_holder will be set to bd_may_claim before being set to holder + */ + whole->bd_holders++; + whole->bd_holder = bd_may_claim; + bdev->bd_holders++; + bdev->bd_holder = holder; + bd_clear_claiming(whole, holder); + spin_unlock(&bdev_lock); +} +EXPORT_SYMBOL(bd_finish_claiming); + +/** + * bd_abort_claiming - abort claiming of a block device + * @bdev: block device of interest + * @whole: whole block device (returned from bd_start_claiming()) + * @holder: holder that has claimed @bdev + * + * Abort claiming of a block device when the exclusive open failed. This can be + * also used when exclusive open is not actually desired and we just needed + * to block other exclusive openers for a while. + */ +void bd_abort_claiming(struct block_device *bdev, struct block_device *whole, + void *holder) +{ + spin_lock(&bdev_lock); + bd_clear_claiming(whole, holder); + spin_unlock(&bdev_lock); +} +EXPORT_SYMBOL(bd_abort_claiming); #ifdef CONFIG_SYSFS struct bd_holder_disk { @@ -1698,29 +1750,10 @@ int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder) /* finish claiming */ mutex_lock(&bdev->bd_mutex); - spin_lock(&bdev_lock); - - if (!res) { - BUG_ON(!bd_may_claim(bdev, whole, holder)); - /* - * Note that for a whole device bd_holders - * will be incremented twice, and bd_holder - * will be set to bd_may_claim before being - * set to holder - */ - whole->bd_holders++; - whole->bd_holder = bd_may_claim; - bdev->bd_holders++; - bdev->bd_holder = holder; - } - - /* tell others that we're done */ - BUG_ON(whole->bd_claiming != holder); - whole->bd_claiming = NULL; - wake_up_bit(&whole->bd_claiming, 0); - - spin_unlock(&bdev_lock); - + if (!res) + bd_finish_claiming(bdev, whole, holder); + else + bd_abort_claiming(bdev, whole, holder); /* * Block event polling for write claims if requested. Any * write holder makes the write_holder state stick until diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 89116afda7a2..e5d85311d5d5 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1483,7 +1483,7 @@ int btrfs_check_shared(struct btrfs_root *root, u64 inum, u64 bytenr, ulist_init(roots); ulist_init(tmp); - trans = btrfs_attach_transaction(root); + trans = btrfs_join_transaction_nostart(root); if (IS_ERR(trans)) { if (PTR_ERR(trans) != -ENOENT && PTR_ERR(trans) != -EROFS) { ret = PTR_ERR(trans); diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 69b59bf75882..c3c0c064c25d 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -6322,68 +6322,21 @@ static int changed_extent(struct send_ctx *sctx, { int ret = 0; - if (sctx->cur_ino != sctx->cmp_key->objectid) { - - if (result == BTRFS_COMPARE_TREE_CHANGED) { - struct extent_buffer *leaf_l; - struct extent_buffer *leaf_r; - struct btrfs_file_extent_item *ei_l; - struct btrfs_file_extent_item *ei_r; - - leaf_l = sctx->left_path->nodes[0]; - leaf_r = sctx->right_path->nodes[0]; - ei_l = btrfs_item_ptr(leaf_l, - sctx->left_path->slots[0], - struct btrfs_file_extent_item); - ei_r = btrfs_item_ptr(leaf_r, - sctx->right_path->slots[0], - struct btrfs_file_extent_item); - - /* - * We may have found an extent item that has changed - * only its disk_bytenr field and the corresponding - * inode item was not updated. This case happens due to - * very specific timings during relocation when a leaf - * that contains file extent items is COWed while - * relocation is ongoing and its in the stage where it - * updates data pointers. So when this happens we can - * safely ignore it since we know it's the same extent, - * but just at different logical and physical locations - * (when an extent is fully replaced with a new one, we - * know the generation number must have changed too, - * since snapshot creation implies committing the current - * transaction, and the inode item must have been updated - * as well). - * This replacement of the disk_bytenr happens at - * relocation.c:replace_file_extents() through - * relocation.c:btrfs_reloc_cow_block(). - */ - if (btrfs_file_extent_generation(leaf_l, ei_l) == - btrfs_file_extent_generation(leaf_r, ei_r) && - btrfs_file_extent_ram_bytes(leaf_l, ei_l) == - btrfs_file_extent_ram_bytes(leaf_r, ei_r) && - btrfs_file_extent_compression(leaf_l, ei_l) == - btrfs_file_extent_compression(leaf_r, ei_r) && - btrfs_file_extent_encryption(leaf_l, ei_l) == - btrfs_file_extent_encryption(leaf_r, ei_r) && - btrfs_file_extent_other_encoding(leaf_l, ei_l) == - btrfs_file_extent_other_encoding(leaf_r, ei_r) && - btrfs_file_extent_type(leaf_l, ei_l) == - btrfs_file_extent_type(leaf_r, ei_r) && - btrfs_file_extent_disk_bytenr(leaf_l, ei_l) != - btrfs_file_extent_disk_bytenr(leaf_r, ei_r) && - btrfs_file_extent_disk_num_bytes(leaf_l, ei_l) == - btrfs_file_extent_disk_num_bytes(leaf_r, ei_r) && - btrfs_file_extent_offset(leaf_l, ei_l) == - btrfs_file_extent_offset(leaf_r, ei_r) && - btrfs_file_extent_num_bytes(leaf_l, ei_l) == - btrfs_file_extent_num_bytes(leaf_r, ei_r)) - return 0; - } - - inconsistent_snapshot_error(sctx, result, "extent"); - return -EIO; - } + /* + * We have found an extent item that changed without the inode item + * having changed. This can happen either after relocation (where the + * disk_bytenr of an extent item is replaced at + * relocation.c:replace_file_extents()) or after deduplication into a + * file in both the parent and send snapshots (where an extent item can + * get modified or replaced with a new one). Note that deduplication + * updates the inode item, but it only changes the iversion (sequence + * field in the inode item) of the inode, so if a file is deduplicated + * the same amount of times in both the parent and send snapshots, its + * iversion becames the same in both snapshots, whence the inode item is + * the same on both snapshots. + */ + if (sctx->cur_ino != sctx->cmp_key->objectid) + return 0; if (!sctx->cur_inode_new_gen && !sctx->cur_inode_deleted) { if (result != BTRFS_COMPARE_TREE_DELETED) diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 3b8ae1a8f02d..e3adb714c04b 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -28,15 +28,18 @@ static const unsigned int btrfs_blocked_trans_types[TRANS_STATE_MAX] = { [TRANS_STATE_COMMIT_START] = (__TRANS_START | __TRANS_ATTACH), [TRANS_STATE_COMMIT_DOING] = (__TRANS_START | __TRANS_ATTACH | - __TRANS_JOIN), + __TRANS_JOIN | + __TRANS_JOIN_NOSTART), [TRANS_STATE_UNBLOCKED] = (__TRANS_START | __TRANS_ATTACH | __TRANS_JOIN | - __TRANS_JOIN_NOLOCK), + __TRANS_JOIN_NOLOCK | + __TRANS_JOIN_NOSTART), [TRANS_STATE_COMPLETED] = (__TRANS_START | __TRANS_ATTACH | __TRANS_JOIN | - __TRANS_JOIN_NOLOCK), + __TRANS_JOIN_NOLOCK | + __TRANS_JOIN_NOSTART), }; void btrfs_put_transaction(struct btrfs_transaction *transaction) @@ -543,7 +546,8 @@ again: ret = join_transaction(fs_info, type); if (ret == -EBUSY) { wait_current_trans(fs_info); - if (unlikely(type == TRANS_ATTACH)) + if (unlikely(type == TRANS_ATTACH || + type == TRANS_JOIN_NOSTART)) ret = -ENOENT; } } while (ret == -EBUSY); @@ -660,6 +664,16 @@ struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root } /* + * Similar to regular join but it never starts a transaction when none is + * running or after waiting for the current one to finish. + */ +struct btrfs_trans_handle *btrfs_join_transaction_nostart(struct btrfs_root *root) +{ + return start_transaction(root, 0, TRANS_JOIN_NOSTART, + BTRFS_RESERVE_NO_FLUSH, true); +} + +/* * btrfs_attach_transaction() - catch the running transaction * * It is used when we want to commit the current the transaction, but @@ -2037,6 +2051,16 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) } } else { spin_unlock(&fs_info->trans_lock); + /* + * The previous transaction was aborted and was already removed + * from the list of transactions at fs_info->trans_list. So we + * abort to prevent writing a new superblock that reflects a + * corrupt state (pointing to trees with unwritten nodes/leafs). + */ + if (test_bit(BTRFS_FS_STATE_TRANS_ABORTED, &fs_info->fs_state)) { + ret = -EROFS; + goto cleanup_transaction; + } } extwriter_counter_dec(cur_trans, trans->type); diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 527ea94b57d9..2c5a6f6e5bb0 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -94,11 +94,13 @@ struct btrfs_transaction { #define __TRANS_JOIN (1U << 11) #define __TRANS_JOIN_NOLOCK (1U << 12) #define __TRANS_DUMMY (1U << 13) +#define __TRANS_JOIN_NOSTART (1U << 14) #define TRANS_START (__TRANS_START | __TRANS_FREEZABLE) #define TRANS_ATTACH (__TRANS_ATTACH) #define TRANS_JOIN (__TRANS_JOIN | __TRANS_FREEZABLE) #define TRANS_JOIN_NOLOCK (__TRANS_JOIN_NOLOCK) +#define TRANS_JOIN_NOSTART (__TRANS_JOIN_NOSTART) #define TRANS_EXTWRITERS (__TRANS_START | __TRANS_ATTACH) @@ -183,6 +185,7 @@ struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv( int min_factor); struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root); +struct btrfs_trans_handle *btrfs_join_transaction_nostart(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_attach_transaction_barrier( struct btrfs_root *root); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index a4830ced0f98..a15a6e738eb5 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1113,6 +1113,7 @@ cifs_demultiplex_thread(void *p) mempool_resize(cifs_req_poolp, length + cifs_min_rcv); set_freezable(); + allow_signal(SIGKILL); while (server->tcpStatus != CifsExiting) { if (try_to_freeze()) continue; diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index a5bc1b671c12..64a5864127be 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -3489,7 +3489,15 @@ fill_transform_hdr(struct smb2_transform_hdr *tr_hdr, unsigned int orig_len, static inline void smb2_sg_set_buf(struct scatterlist *sg, const void *buf, unsigned int buflen) { - sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf)); + void *addr; + /* + * VMAP_STACK (at least) puts stack into the vmalloc address space + */ + if (is_vmalloc_addr(buf)) + addr = vmalloc_to_page(buf); + else + addr = virt_to_page(buf); + sg_set_page(sg, addr, buflen, offset_in_page(buf)); } /* Assumes the first rqst has a transform header as the first iov. @@ -4070,7 +4078,6 @@ receive_encrypted_standard(struct TCP_Server_Info *server, { int ret, length; char *buf = server->smallbuf; - char *tmpbuf; struct smb2_sync_hdr *shdr; unsigned int pdu_length = server->pdu_size; unsigned int buf_size; @@ -4100,18 +4107,15 @@ receive_encrypted_standard(struct TCP_Server_Info *server, return length; next_is_large = server->large_buf; - one_more: +one_more: shdr = (struct smb2_sync_hdr *)buf; if (shdr->NextCommand) { - if (next_is_large) { - tmpbuf = server->bigbuf; + if (next_is_large) next_buffer = (char *)cifs_buf_get(); - } else { - tmpbuf = server->smallbuf; + else next_buffer = (char *)cifs_small_buf_get(); - } memcpy(next_buffer, - tmpbuf + le32_to_cpu(shdr->NextCommand), + buf + le32_to_cpu(shdr->NextCommand), pdu_length - le32_to_cpu(shdr->NextCommand)); } @@ -4140,12 +4144,21 @@ receive_encrypted_standard(struct TCP_Server_Info *server, pdu_length -= le32_to_cpu(shdr->NextCommand); server->large_buf = next_is_large; if (next_is_large) - server->bigbuf = next_buffer; + server->bigbuf = buf = next_buffer; else - server->smallbuf = next_buffer; - - buf += le32_to_cpu(shdr->NextCommand); + server->smallbuf = buf = next_buffer; goto one_more; + } else if (ret != 0) { + /* + * ret != 0 here means that we didn't get to handle_mid() thus + * server->smallbuf and server->bigbuf are still valid. We need + * to free next_buffer because it is not going to be used + * anywhere. + */ + if (next_is_large) + free_rsp_buf(CIFS_LARGE_BUFFER, next_buffer); + else + free_rsp_buf(CIFS_SMALL_BUFFER, next_buffer); } return ret; diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index c8cd7b6cdda2..31e4a1b0b170 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -252,7 +252,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon) if (tcon == NULL) return 0; - if (smb2_command == SMB2_TREE_CONNECT) + if (smb2_command == SMB2_TREE_CONNECT || smb2_command == SMB2_IOCTL) return 0; if (tcon->tidStatus == CifsExiting) { @@ -1196,7 +1196,12 @@ SMB2_sess_alloc_buffer(struct SMB2_sess_data *sess_data) else req->SecurityMode = 0; +#ifdef CONFIG_CIFS_DFS_UPCALL + req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS); +#else req->Capabilities = 0; +#endif /* DFS_UPCALL */ + req->Channel = 0; /* MBZ */ sess_data->iov[0].iov_base = (char *)req; diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 6e30949d9f77..a7ec2d3dff92 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -638,9 +638,6 @@ COMPATIBLE_IOCTL(PPPIOCDISCONN) COMPATIBLE_IOCTL(PPPIOCATTCHAN) COMPATIBLE_IOCTL(PPPIOCGCHAN) COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS) -/* PPPOX */ -COMPATIBLE_IOCTL(PPPOEIOCSFWD) -COMPATIBLE_IOCTL(PPPOEIOCDFWD) /* Big A */ /* sparc only */ /* Big Q for sound/OSS */ diff --git a/fs/coredump.c b/fs/coredump.c index e42e17e55bfd..b1ea7dfbd149 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -7,6 +7,7 @@ #include <linux/stat.h> #include <linux/fcntl.h> #include <linux/swap.h> +#include <linux/ctype.h> #include <linux/string.h> #include <linux/init.h> #include <linux/pagemap.h> @@ -187,11 +188,13 @@ put_exe_file: * name into corename, which must have space for at least * CORENAME_MAX_SIZE bytes plus one byte for the zero terminator. */ -static int format_corename(struct core_name *cn, struct coredump_params *cprm) +static int format_corename(struct core_name *cn, struct coredump_params *cprm, + size_t **argv, int *argc) { const struct cred *cred = current_cred(); const char *pat_ptr = core_pattern; int ispipe = (*pat_ptr == '|'); + bool was_space = false; int pid_in_pattern = 0; int err = 0; @@ -201,12 +204,35 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm) return -ENOMEM; cn->corename[0] = '\0'; - if (ispipe) + if (ispipe) { + int argvs = sizeof(core_pattern) / 2; + (*argv) = kmalloc_array(argvs, sizeof(**argv), GFP_KERNEL); + if (!(*argv)) + return -ENOMEM; + (*argv)[(*argc)++] = 0; ++pat_ptr; + } /* Repeat as long as we have more pattern to process and more output space */ while (*pat_ptr) { + /* + * Split on spaces before doing template expansion so that + * %e and %E don't get split if they have spaces in them + */ + if (ispipe) { + if (isspace(*pat_ptr)) { + was_space = true; + pat_ptr++; + continue; + } else if (was_space) { + was_space = false; + err = cn_printf(cn, "%c", '\0'); + if (err) + return err; + (*argv)[(*argc)++] = cn->used; + } + } if (*pat_ptr != '%') { err = cn_printf(cn, "%c", *pat_ptr++); } else { @@ -546,6 +572,8 @@ void do_coredump(const kernel_siginfo_t *siginfo) struct cred *cred; int retval = 0; int ispipe; + size_t *argv = NULL; + int argc = 0; struct files_struct *displaced; /* require nonrelative corefile path and be extra careful */ bool need_suid_safe = false; @@ -592,9 +620,10 @@ void do_coredump(const kernel_siginfo_t *siginfo) old_cred = override_creds(cred); - ispipe = format_corename(&cn, &cprm); + ispipe = format_corename(&cn, &cprm, &argv, &argc); if (ispipe) { + int argi; int dump_count; char **helper_argv; struct subprocess_info *sub_info; @@ -637,12 +666,16 @@ void do_coredump(const kernel_siginfo_t *siginfo) goto fail_dropcount; } - helper_argv = argv_split(GFP_KERNEL, cn.corename, NULL); + helper_argv = kmalloc_array(argc + 1, sizeof(*helper_argv), + GFP_KERNEL); if (!helper_argv) { printk(KERN_WARNING "%s failed to allocate memory\n", __func__); goto fail_dropcount; } + for (argi = 0; argi < argc; argi++) + helper_argv[argi] = cn.corename + argv[argi]; + helper_argv[argi] = NULL; retval = -ENOMEM; sub_info = call_usermodehelper_setup(helper_argv[0], @@ -652,7 +685,7 @@ void do_coredump(const kernel_siginfo_t *siginfo) retval = call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC); - argv_free(helper_argv); + kfree(helper_argv); if (retval) { printk(KERN_INFO "Core dump to |%s pipe failed\n", cn.corename); @@ -766,6 +799,7 @@ fail_dropcount: if (ispipe) atomic_dec(&core_dump_count); fail_unlock: + kfree(argv); kfree(cn.corename); coredump_finish(mm, core_dumped); revert_creds(old_cred); @@ -266,7 +266,7 @@ static void wait_entry_unlocked(struct xa_state *xas, void *entry) static void put_unlocked_entry(struct xa_state *xas, void *entry) { /* If we were the only waiter woken, wake the next one */ - if (entry && dax_is_conflict(entry)) + if (entry && !dax_is_conflict(entry)) dax_wake_entry(xas, entry, false); } diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index f8d46df8fa9e..3e58a6f697dd 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1653,19 +1653,12 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id) static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) { struct f2fs_inode_info *fi = F2FS_I(inode); - u32 oldflags; /* Is it quota file? Do not allow user to mess with it */ if (IS_NOQUOTA(inode)) return -EPERM; - oldflags = fi->i_flags; - - if ((iflags ^ oldflags) & (F2FS_APPEND_FL | F2FS_IMMUTABLE_FL)) - if (!capable(CAP_LINUX_IMMUTABLE)) - return -EPERM; - - fi->i_flags = iflags | (oldflags & ~mask); + fi->i_flags = iflags | (fi->i_flags & ~mask); if (fi->i_flags & F2FS_PROJINHERIT_FL) set_inode_flag(inode, FI_PROJ_INHERIT); @@ -1770,7 +1763,8 @@ static int f2fs_ioc_getflags(struct file *filp, unsigned long arg) static int f2fs_ioc_setflags(struct file *filp, unsigned long arg) { struct inode *inode = file_inode(filp); - u32 fsflags; + struct f2fs_inode_info *fi = F2FS_I(inode); + u32 fsflags, old_fsflags; u32 iflags; int ret; @@ -1794,8 +1788,14 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg) inode_lock(inode); + old_fsflags = f2fs_iflags_to_fsflags(fi->i_flags); + ret = vfs_ioc_setflags_prepare(inode, old_fsflags, fsflags); + if (ret) + goto out; + ret = f2fs_setflags_common(inode, iflags, f2fs_fsflags_to_iflags(F2FS_SETTABLE_FS_FL)); +out: inode_unlock(inode); mnt_drop_write_file(filp); return ret; @@ -2855,52 +2855,32 @@ static inline u32 f2fs_xflags_to_iflags(u32 xflags) return iflags; } -static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg) +static void f2fs_fill_fsxattr(struct inode *inode, struct fsxattr *fa) { - struct inode *inode = file_inode(filp); struct f2fs_inode_info *fi = F2FS_I(inode); - struct fsxattr fa; - memset(&fa, 0, sizeof(struct fsxattr)); - fa.fsx_xflags = f2fs_iflags_to_xflags(fi->i_flags); + simple_fill_fsxattr(fa, f2fs_iflags_to_xflags(fi->i_flags)); if (f2fs_sb_has_project_quota(F2FS_I_SB(inode))) - fa.fsx_projid = (__u32)from_kprojid(&init_user_ns, - fi->i_projid); - - if (copy_to_user((struct fsxattr __user *)arg, &fa, sizeof(fa))) - return -EFAULT; - return 0; + fa->fsx_projid = from_kprojid(&init_user_ns, fi->i_projid); } -static int f2fs_ioctl_check_project(struct inode *inode, struct fsxattr *fa) +static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg) { - /* - * Project Quota ID state is only allowed to change from within the init - * namespace. Enforce that restriction only if we are trying to change - * the quota ID state. Everything else is allowed in user namespaces. - */ - if (current_user_ns() == &init_user_ns) - return 0; + struct inode *inode = file_inode(filp); + struct fsxattr fa; - if (__kprojid_val(F2FS_I(inode)->i_projid) != fa->fsx_projid) - return -EINVAL; - - if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL) { - if (!(fa->fsx_xflags & FS_XFLAG_PROJINHERIT)) - return -EINVAL; - } else { - if (fa->fsx_xflags & FS_XFLAG_PROJINHERIT) - return -EINVAL; - } + f2fs_fill_fsxattr(inode, &fa); + if (copy_to_user((struct fsxattr __user *)arg, &fa, sizeof(fa))) + return -EFAULT; return 0; } static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg) { struct inode *inode = file_inode(filp); - struct fsxattr fa; + struct fsxattr fa, old_fa; u32 iflags; int err; @@ -2923,9 +2903,12 @@ static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg) return err; inode_lock(inode); - err = f2fs_ioctl_check_project(inode, &fa); + + f2fs_fill_fsxattr(inode, &old_fa); + err = vfs_ioc_fssetxattr_check(inode, &old_fa, &fa); if (err) goto out; + err = f2fs_setflags_common(inode, iflags, f2fs_xflags_to_iflags(F2FS_SUPPORTED_XFLAGS)); if (err) diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 6691f526fa40..8974672db78f 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -796,6 +796,29 @@ static int move_data_block(struct inode *inode, block_t bidx, if (lfs_mode) down_write(&fio.sbi->io_order_lock); + mpage = f2fs_grab_cache_page(META_MAPPING(fio.sbi), + fio.old_blkaddr, false); + if (!mpage) + goto up_out; + + fio.encrypted_page = mpage; + + /* read source block in mpage */ + if (!PageUptodate(mpage)) { + err = f2fs_submit_page_bio(&fio); + if (err) { + f2fs_put_page(mpage, 1); + goto up_out; + } + lock_page(mpage); + if (unlikely(mpage->mapping != META_MAPPING(fio.sbi) || + !PageUptodate(mpage))) { + err = -EIO; + f2fs_put_page(mpage, 1); + goto up_out; + } + } + f2fs_allocate_data_block(fio.sbi, NULL, fio.old_blkaddr, &newaddr, &sum, CURSEG_COLD_DATA, NULL, false); @@ -803,44 +826,18 @@ static int move_data_block(struct inode *inode, block_t bidx, newaddr, FGP_LOCK | FGP_CREAT, GFP_NOFS); if (!fio.encrypted_page) { err = -ENOMEM; - goto recover_block; - } - - mpage = f2fs_pagecache_get_page(META_MAPPING(fio.sbi), - fio.old_blkaddr, FGP_LOCK, GFP_NOFS); - if (mpage) { - bool updated = false; - - if (PageUptodate(mpage)) { - memcpy(page_address(fio.encrypted_page), - page_address(mpage), PAGE_SIZE); - updated = true; - } f2fs_put_page(mpage, 1); - invalidate_mapping_pages(META_MAPPING(fio.sbi), - fio.old_blkaddr, fio.old_blkaddr); - if (updated) - goto write_page; - } - - err = f2fs_submit_page_bio(&fio); - if (err) - goto put_page_out; - - /* write page */ - lock_page(fio.encrypted_page); - - if (unlikely(fio.encrypted_page->mapping != META_MAPPING(fio.sbi))) { - err = -EIO; - goto put_page_out; - } - if (unlikely(!PageUptodate(fio.encrypted_page))) { - err = -EIO; - goto put_page_out; + goto recover_block; } -write_page: + /* write target block */ f2fs_wait_on_page_writeback(fio.encrypted_page, DATA, true, true); + memcpy(page_address(fio.encrypted_page), + page_address(mpage), PAGE_SIZE); + f2fs_put_page(mpage, 1); + invalidate_mapping_pages(META_MAPPING(fio.sbi), + fio.old_blkaddr, fio.old_blkaddr); + set_page_dirty(fio.encrypted_page); if (clear_page_dirty_for_io(fio.encrypted_page)) dec_page_count(fio.sbi, F2FS_DIRTY_META); @@ -871,11 +868,12 @@ write_page: put_page_out: f2fs_put_page(fio.encrypted_page, 1); recover_block: - if (lfs_mode) - up_write(&fio.sbi->io_order_lock); if (err) f2fs_do_replace_block(fio.sbi, &sum, newaddr, fio.old_blkaddr, true, true); +up_out: + if (lfs_mode) + up_write(&fio.sbi->io_order_lock); put_out: f2fs_put_dnode(&dn); out: diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 6de6cda44031..78a1b873e48a 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2422,6 +2422,12 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, size_t crc_offset = 0; __u32 crc = 0; + if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { + f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", + F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); + return -EINVAL; + } + /* Check checksum_offset and crc in superblock */ if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { crc_offset = le32_to_cpu(raw_super->checksum_offset); @@ -2429,26 +2435,20 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, offsetof(struct f2fs_super_block, crc)) { f2fs_info(sbi, "Invalid SB checksum offset: %zu", crc_offset); - return 1; + return -EFSCORRUPTED; } crc = le32_to_cpu(raw_super->crc); if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { f2fs_info(sbi, "Invalid SB checksum value: %u", crc); - return 1; + return -EFSCORRUPTED; } } - if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) { - f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", - F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); - return 1; - } - /* Currently, support only 4KB page cache size */ if (F2FS_BLKSIZE != PAGE_SIZE) { f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB", PAGE_SIZE); - return 1; + return -EFSCORRUPTED; } /* Currently, support only 4KB block size */ @@ -2456,14 +2456,14 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, if (blocksize != F2FS_BLKSIZE) { f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB", blocksize); - return 1; + return -EFSCORRUPTED; } /* check log blocks per segment */ if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { f2fs_info(sbi, "Invalid log blocks per segment (%u)", le32_to_cpu(raw_super->log_blocks_per_seg)); - return 1; + return -EFSCORRUPTED; } /* Currently, support 512/1024/2048/4096 bytes sector size */ @@ -2473,7 +2473,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, F2FS_MIN_LOG_SECTOR_SIZE) { f2fs_info(sbi, "Invalid log sectorsize (%u)", le32_to_cpu(raw_super->log_sectorsize)); - return 1; + return -EFSCORRUPTED; } if (le32_to_cpu(raw_super->log_sectors_per_block) + le32_to_cpu(raw_super->log_sectorsize) != @@ -2481,7 +2481,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", le32_to_cpu(raw_super->log_sectors_per_block), le32_to_cpu(raw_super->log_sectorsize)); - return 1; + return -EFSCORRUPTED; } segment_count = le32_to_cpu(raw_super->segment_count); @@ -2495,7 +2495,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, if (segment_count > F2FS_MAX_SEGMENT || segment_count < F2FS_MIN_SEGMENTS) { f2fs_info(sbi, "Invalid segment count (%u)", segment_count); - return 1; + return -EFSCORRUPTED; } if (total_sections > segment_count || @@ -2503,25 +2503,25 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, segs_per_sec > segment_count || !segs_per_sec) { f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", segment_count, total_sections, segs_per_sec); - return 1; + return -EFSCORRUPTED; } if ((segment_count / segs_per_sec) < total_sections) { f2fs_info(sbi, "Small segment_count (%u < %u * %u)", segment_count, segs_per_sec, total_sections); - return 1; + return -EFSCORRUPTED; } if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", segment_count, le64_to_cpu(raw_super->block_count)); - return 1; + return -EFSCORRUPTED; } if (secs_per_zone > total_sections || !secs_per_zone) { f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", secs_per_zone, total_sections); - return 1; + return -EFSCORRUPTED; } if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || raw_super->hot_ext_count > F2FS_MAX_EXTENSION || @@ -2531,7 +2531,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, le32_to_cpu(raw_super->extension_count), raw_super->hot_ext_count, F2FS_MAX_EXTENSION); - return 1; + return -EFSCORRUPTED; } if (le32_to_cpu(raw_super->cp_payload) > @@ -2539,7 +2539,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, f2fs_info(sbi, "Insane cp_payload (%u > %u)", le32_to_cpu(raw_super->cp_payload), blocks_per_seg - F2FS_CP_PACKS); - return 1; + return -EFSCORRUPTED; } /* check reserved ino info */ @@ -2550,12 +2550,12 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, le32_to_cpu(raw_super->node_ino), le32_to_cpu(raw_super->meta_ino), le32_to_cpu(raw_super->root_ino)); - return 1; + return -EFSCORRUPTED; } /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ if (sanity_check_area_boundary(sbi, bh)) - return 1; + return -EFSCORRUPTED; return 0; } @@ -2870,10 +2870,10 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi, } /* sanity checking of raw super */ - if (sanity_check_raw_super(sbi, bh)) { + err = sanity_check_raw_super(sbi, bh); + if (err) { f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", block + 1); - err = -EFSCORRUPTED; brelse(bh); continue; } diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 79581b9bdebb..4f8b5fd6c81f 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -390,6 +390,19 @@ static int fillup_metapath(struct gfs2_inode *ip, struct metapath *mp, int h) return mp->mp_aheight - x - 1; } +static sector_t metapath_to_block(struct gfs2_sbd *sdp, struct metapath *mp) +{ + sector_t factor = 1, block = 0; + int hgt; + + for (hgt = mp->mp_fheight - 1; hgt >= 0; hgt--) { + if (hgt < mp->mp_aheight) + block += mp->mp_list[hgt] * factor; + factor *= sdp->sd_inptrs; + } + return block; +} + static void release_metapath(struct metapath *mp) { int i; @@ -430,60 +443,84 @@ static inline unsigned int gfs2_extent_length(struct buffer_head *bh, __be64 *pt return ptr - first; } -typedef const __be64 *(*gfs2_metadata_walker)( - struct metapath *mp, - const __be64 *start, const __be64 *end, - u64 factor, void *data); +enum walker_status { WALK_STOP, WALK_FOLLOW, WALK_CONTINUE }; + +/* + * gfs2_metadata_walker - walk an indirect block + * @mp: Metapath to indirect block + * @ptrs: Number of pointers to look at + * + * When returning WALK_FOLLOW, the walker must update @mp to point at the right + * indirect block to follow. + */ +typedef enum walker_status (*gfs2_metadata_walker)(struct metapath *mp, + unsigned int ptrs); -#define WALK_STOP ((__be64 *)0) -#define WALK_NEXT ((__be64 *)1) +/* + * gfs2_walk_metadata - walk a tree of indirect blocks + * @inode: The inode + * @mp: Starting point of walk + * @max_len: Maximum number of blocks to walk + * @walker: Called during the walk + * + * Returns 1 if the walk was stopped by @walker, 0 if we went past @max_len or + * past the end of metadata, and a negative error code otherwise. + */ -static int gfs2_walk_metadata(struct inode *inode, sector_t lblock, - u64 len, struct metapath *mp, gfs2_metadata_walker walker, - void *data) +static int gfs2_walk_metadata(struct inode *inode, struct metapath *mp, + u64 max_len, gfs2_metadata_walker walker) { - struct metapath clone; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); - const __be64 *start, *end, *ptr; u64 factor = 1; unsigned int hgt; - int ret = 0; + int ret; - for (hgt = ip->i_height - 1; hgt >= mp->mp_aheight; hgt--) + /* + * The walk starts in the lowest allocated indirect block, which may be + * before the position indicated by @mp. Adjust @max_len accordingly + * to avoid a short walk. + */ + for (hgt = mp->mp_fheight - 1; hgt >= mp->mp_aheight; hgt--) { + max_len += mp->mp_list[hgt] * factor; + mp->mp_list[hgt] = 0; factor *= sdp->sd_inptrs; + } for (;;) { - u64 step; + u16 start = mp->mp_list[hgt]; + enum walker_status status; + unsigned int ptrs; + u64 len; /* Walk indirect block. */ - start = metapointer(hgt, mp); - end = metaend(hgt, mp); - - step = (end - start) * factor; - if (step > len) - end = start + DIV_ROUND_UP_ULL(len, factor); - - ptr = walker(mp, start, end, factor, data); - if (ptr == WALK_STOP) + ptrs = (hgt >= 1 ? sdp->sd_inptrs : sdp->sd_diptrs) - start; + len = ptrs * factor; + if (len > max_len) + ptrs = DIV_ROUND_UP_ULL(max_len, factor); + status = walker(mp, ptrs); + switch (status) { + case WALK_STOP: + return 1; + case WALK_FOLLOW: + BUG_ON(mp->mp_aheight == mp->mp_fheight); + ptrs = mp->mp_list[hgt] - start; + len = ptrs * factor; break; - if (step >= len) + case WALK_CONTINUE: break; - len -= step; - if (ptr != WALK_NEXT) { - BUG_ON(!*ptr); - mp->mp_list[hgt] += ptr - start; - goto fill_up_metapath; } + if (len >= max_len) + break; + max_len -= len; + if (status == WALK_FOLLOW) + goto fill_up_metapath; lower_metapath: /* Decrease height of metapath. */ - if (mp != &clone) { - clone_metapath(&clone, mp); - mp = &clone; - } brelse(mp->mp_bh[hgt]); mp->mp_bh[hgt] = NULL; + mp->mp_list[hgt] = 0; if (!hgt) break; hgt--; @@ -491,10 +528,7 @@ lower_metapath: /* Advance in metadata tree. */ (mp->mp_list[hgt])++; - start = metapointer(hgt, mp); - end = metaend(hgt, mp); - if (start >= end) { - mp->mp_list[hgt] = 0; + if (mp->mp_list[hgt] >= sdp->sd_inptrs) { if (!hgt) break; goto lower_metapath; @@ -502,44 +536,36 @@ lower_metapath: fill_up_metapath: /* Increase height of metapath. */ - if (mp != &clone) { - clone_metapath(&clone, mp); - mp = &clone; - } ret = fillup_metapath(ip, mp, ip->i_height - 1); if (ret < 0) - break; + return ret; hgt += ret; for (; ret; ret--) do_div(factor, sdp->sd_inptrs); mp->mp_aheight = hgt + 1; } - if (mp == &clone) - release_metapath(mp); - return ret; + return 0; } -struct gfs2_hole_walker_args { - u64 blocks; -}; - -static const __be64 *gfs2_hole_walker(struct metapath *mp, - const __be64 *start, const __be64 *end, - u64 factor, void *data) +static enum walker_status gfs2_hole_walker(struct metapath *mp, + unsigned int ptrs) { - struct gfs2_hole_walker_args *args = data; - const __be64 *ptr; + const __be64 *start, *ptr, *end; + unsigned int hgt; + + hgt = mp->mp_aheight - 1; + start = metapointer(hgt, mp); + end = start + ptrs; for (ptr = start; ptr < end; ptr++) { if (*ptr) { - args->blocks += (ptr - start) * factor; + mp->mp_list[hgt] += ptr - start; if (mp->mp_aheight == mp->mp_fheight) return WALK_STOP; - return ptr; /* increase height */ + return WALK_FOLLOW; } } - args->blocks += (end - start) * factor; - return WALK_NEXT; + return WALK_CONTINUE; } /** @@ -557,12 +583,24 @@ static const __be64 *gfs2_hole_walker(struct metapath *mp, static int gfs2_hole_size(struct inode *inode, sector_t lblock, u64 len, struct metapath *mp, struct iomap *iomap) { - struct gfs2_hole_walker_args args = { }; - int ret = 0; + struct metapath clone; + u64 hole_size; + int ret; - ret = gfs2_walk_metadata(inode, lblock, len, mp, gfs2_hole_walker, &args); - if (!ret) - iomap->length = args.blocks << inode->i_blkbits; + clone_metapath(&clone, mp); + ret = gfs2_walk_metadata(inode, &clone, len, gfs2_hole_walker); + if (ret < 0) + goto out; + + if (ret == 1) + hole_size = metapath_to_block(GFS2_SB(inode), &clone) - lblock; + else + hole_size = len; + iomap->length = hole_size << inode->i_blkbits; + ret = 0; + +out: + release_metapath(&clone); return ret; } @@ -1002,11 +1040,16 @@ static void gfs2_iomap_page_done(struct inode *inode, loff_t pos, unsigned copied, struct page *page, struct iomap *iomap) { + struct gfs2_trans *tr = current->journal_info; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); if (page && !gfs2_is_stuffed(ip)) gfs2_page_add_databufs(ip, page, offset_in_page(pos), copied); + + if (tr->tr_num_buf_new) + __mark_inode_dirty(inode, I_DIRTY_DATASYNC); + gfs2_trans_end(sdp); } @@ -1099,8 +1142,6 @@ static int gfs2_iomap_begin_write(struct inode *inode, loff_t pos, tr = current->journal_info; if (tr->tr_num_buf_new) __mark_inode_dirty(inode, I_DIRTY_DATASYNC); - else - gfs2_trans_add_meta(ip->i_gl, mp->mp_bh[0]); gfs2_trans_end(sdp); } @@ -1181,10 +1222,16 @@ static int gfs2_iomap_end(struct inode *inode, loff_t pos, loff_t length, if (ip->i_qadata && ip->i_qadata->qa_qd_num) gfs2_quota_unlock(ip); + + if (unlikely(!written)) + goto out_unlock; + if (iomap->flags & IOMAP_F_SIZE_CHANGED) mark_inode_dirty(inode); - gfs2_write_unlock(inode); + set_bit(GLF_DIRTY, &ip->i_gl->gl_flags); +out_unlock: + gfs2_write_unlock(inode); out: return 0; } diff --git a/fs/io_uring.c b/fs/io_uring.c index 012bc0efb9d3..d542f1cf4428 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1838,6 +1838,7 @@ restart: do { struct sqe_submit *s = &req->submit; const struct io_uring_sqe *sqe = s->sqe; + unsigned int flags = req->flags; /* Ensure we clear previously set non-block flag */ req->rw.ki_flags &= ~IOCB_NOWAIT; @@ -1883,7 +1884,7 @@ restart: kfree(sqe); /* req from defer and link list needn't decrease async cnt */ - if (req->flags & (REQ_F_IO_DRAINED | REQ_F_LINK_DONE)) + if (flags & (REQ_F_IO_DRAINED | REQ_F_LINK_DONE)) goto out; if (!async_list) diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 0ff3facf81da..071b90a45933 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -153,7 +153,7 @@ again: /* Block nfs4_proc_unlck */ mutex_lock(&sp->so_delegreturn_mutex); seq = raw_seqcount_begin(&sp->so_reclaim_seqcount); - err = nfs4_open_delegation_recall(ctx, state, stateid, type); + err = nfs4_open_delegation_recall(ctx, state, stateid); if (!err) err = nfs_delegation_claim_locks(state, stateid); if (!err && read_seqcount_retry(&sp->so_reclaim_seqcount, seq)) @@ -1046,6 +1046,22 @@ void nfs_test_expired_all_delegations(struct nfs_client *clp) nfs4_schedule_state_manager(clp); } +static void +nfs_delegation_test_free_expired(struct inode *inode, + nfs4_stateid *stateid, + const struct cred *cred) +{ + struct nfs_server *server = NFS_SERVER(inode); + const struct nfs4_minor_version_ops *ops = server->nfs_client->cl_mvops; + int status; + + if (!cred) + return; + status = ops->test_and_free_expired(server, stateid, cred); + if (status == -NFS4ERR_EXPIRED || status == -NFS4ERR_BAD_STATEID) + nfs_remove_bad_delegation(inode, stateid); +} + /** * nfs_reap_expired_delegations - reap expired delegations * @clp: nfs_client to process @@ -1057,7 +1073,6 @@ void nfs_test_expired_all_delegations(struct nfs_client *clp) */ void nfs_reap_expired_delegations(struct nfs_client *clp) { - const struct nfs4_minor_version_ops *ops = clp->cl_mvops; struct nfs_delegation *delegation; struct nfs_server *server; struct inode *inode; @@ -1088,11 +1103,7 @@ restart: nfs4_stateid_copy(&stateid, &delegation->stateid); clear_bit(NFS_DELEGATION_TEST_EXPIRED, &delegation->flags); rcu_read_unlock(); - if (cred != NULL && - ops->test_and_free_expired(server, &stateid, cred) < 0) { - nfs_revoke_delegation(inode, &stateid); - nfs_inode_find_state_and_recover(inode, &stateid); - } + nfs_delegation_test_free_expired(inode, &stateid, cred); put_cred(cred); if (nfs4_server_rebooted(clp)) { nfs_inode_mark_test_expired_delegation(server,inode); diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index 5799777df5ec..9eb87ae4c982 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -63,7 +63,7 @@ void nfs_reap_expired_delegations(struct nfs_client *clp); /* NFSv4 delegation-related procedures */ int nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, const nfs4_stateid *stateid, int issync); -int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid, fmode_t type); +int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid); int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state, const nfs4_stateid *stateid); bool nfs4_copy_delegation_stateid(struct inode *inode, fmode_t flags, nfs4_stateid *dst, const struct cred **cred); bool nfs4_refresh_delegation_stateid(nfs4_stateid *dst, struct inode *inode); diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index 53507aa96b0b..3800ab6f08fa 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -114,6 +114,10 @@ void nfs_fscache_get_super_cookie(struct super_block *sb, const char *uniq, int struct rb_node **p, *parent; int diff; + nfss->fscache_key = NULL; + nfss->fscache = NULL; + if (!(nfss->options & NFS_OPTION_FSCACHE)) + return; if (!uniq) { uniq = ""; ulen = 1; @@ -226,10 +230,11 @@ void nfs_fscache_release_super_cookie(struct super_block *sb) void nfs_fscache_init_inode(struct inode *inode) { struct nfs_fscache_inode_auxdata auxdata; + struct nfs_server *nfss = NFS_SERVER(inode); struct nfs_inode *nfsi = NFS_I(inode); nfsi->fscache = NULL; - if (!S_ISREG(inode->i_mode)) + if (!(nfss->fscache && S_ISREG(inode->i_mode))) return; memset(&auxdata, 0, sizeof(auxdata)); diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h index 25a75e40d91d..ad041cfbf9ec 100644 --- a/fs/nfs/fscache.h +++ b/fs/nfs/fscache.h @@ -182,7 +182,7 @@ static inline void nfs_fscache_wait_on_invalidate(struct inode *inode) */ static inline const char *nfs_server_fscache_state(struct nfs_server *server) { - if (server->fscache && (server->options & NFS_OPTION_FSCACHE)) + if (server->fscache) return "yes"; return "no "; } diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index d778dad9a75e..3564da1ba8a1 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -465,7 +465,8 @@ static inline void nfs4_schedule_session_recovery(struct nfs4_session *session, extern struct nfs4_state_owner *nfs4_get_state_owner(struct nfs_server *, const struct cred *, gfp_t); extern void nfs4_put_state_owner(struct nfs4_state_owner *); -extern void nfs4_purge_state_owners(struct nfs_server *); +extern void nfs4_purge_state_owners(struct nfs_server *, struct list_head *); +extern void nfs4_free_state_owners(struct list_head *head); extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state_owner *); extern void nfs4_put_open_state(struct nfs4_state *); extern void nfs4_close_state(struct nfs4_state *, fmode_t); diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 616393a01c06..da6204025a2d 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -758,9 +758,12 @@ out: static void nfs4_destroy_server(struct nfs_server *server) { + LIST_HEAD(freeme); + nfs_server_return_all_delegations(server); unset_pnfs_layoutdriver(server); - nfs4_purge_state_owners(server); + nfs4_purge_state_owners(server, &freeme); + nfs4_free_state_owners(&freeme); } /* diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 39896afc6edf..1406858bae6c 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1683,6 +1683,14 @@ static void nfs_state_set_open_stateid(struct nfs4_state *state, write_sequnlock(&state->seqlock); } +static void nfs_state_clear_open_state_flags(struct nfs4_state *state) +{ + clear_bit(NFS_O_RDWR_STATE, &state->flags); + clear_bit(NFS_O_WRONLY_STATE, &state->flags); + clear_bit(NFS_O_RDONLY_STATE, &state->flags); + clear_bit(NFS_OPEN_STATE, &state->flags); +} + static void nfs_state_set_delegation(struct nfs4_state *state, const nfs4_stateid *deleg_stateid, fmode_t fmode) @@ -1907,8 +1915,9 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data) if (data->o_res.delegation_type != 0) nfs4_opendata_check_deleg(data, state); update: - update_open_stateid(state, &data->o_res.stateid, NULL, - data->o_arg.fmode); + if (!update_open_stateid(state, &data->o_res.stateid, + NULL, data->o_arg.fmode)) + return ERR_PTR(-EAGAIN); refcount_inc(&state->count); return state; @@ -1973,8 +1982,11 @@ _nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data) if (data->o_res.delegation_type != 0) nfs4_opendata_check_deleg(data, state); - update_open_stateid(state, &data->o_res.stateid, NULL, - data->o_arg.fmode); + if (!update_open_stateid(state, &data->o_res.stateid, + NULL, data->o_arg.fmode)) { + nfs4_put_open_state(state); + state = ERR_PTR(-EAGAIN); + } out: nfs_release_seqid(data->o_arg.seqid); return state; @@ -2074,13 +2086,7 @@ static int nfs4_open_recover(struct nfs4_opendata *opendata, struct nfs4_state * { int ret; - /* Don't trigger recovery in nfs_test_and_clear_all_open_stateid */ - clear_bit(NFS_O_RDWR_STATE, &state->flags); - clear_bit(NFS_O_WRONLY_STATE, &state->flags); - clear_bit(NFS_O_RDONLY_STATE, &state->flags); /* memory barrier prior to reading state->n_* */ - clear_bit(NFS_DELEGATED_STATE, &state->flags); - clear_bit(NFS_OPEN_STATE, &state->flags); smp_rmb(); ret = nfs4_open_recover_helper(opendata, FMODE_READ|FMODE_WRITE); if (ret != 0) @@ -2156,6 +2162,8 @@ static int nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *sta ctx = nfs4_state_find_open_context(state); if (IS_ERR(ctx)) return -EAGAIN; + clear_bit(NFS_DELEGATED_STATE, &state->flags); + nfs_state_clear_open_state_flags(state); ret = nfs4_do_open_reclaim(ctx, state); put_nfs_open_context(ctx); return ret; @@ -2171,18 +2179,17 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct case -ENOENT: case -EAGAIN: case -ESTALE: + case -ETIMEDOUT: break; case -NFS4ERR_BADSESSION: case -NFS4ERR_BADSLOT: case -NFS4ERR_BAD_HIGH_SLOT: case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: case -NFS4ERR_DEADSESSION: - set_bit(NFS_DELEGATED_STATE, &state->flags); nfs4_schedule_session_recovery(server->nfs_client->cl_session, err); return -EAGAIN; case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_STALE_STATEID: - set_bit(NFS_DELEGATED_STATE, &state->flags); /* Don't recall a delegation if it was lost */ nfs4_schedule_lease_recovery(server->nfs_client); return -EAGAIN; @@ -2203,7 +2210,6 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct return -EAGAIN; case -NFS4ERR_DELAY: case -NFS4ERR_GRACE: - set_bit(NFS_DELEGATED_STATE, &state->flags); ssleep(1); return -EAGAIN; case -ENOMEM: @@ -2219,8 +2225,7 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct } int nfs4_open_delegation_recall(struct nfs_open_context *ctx, - struct nfs4_state *state, const nfs4_stateid *stateid, - fmode_t type) + struct nfs4_state *state, const nfs4_stateid *stateid) { struct nfs_server *server = NFS_SERVER(state->inode); struct nfs4_opendata *opendata; @@ -2231,20 +2236,23 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, if (IS_ERR(opendata)) return PTR_ERR(opendata); nfs4_stateid_copy(&opendata->o_arg.u.delegation, stateid); - nfs_state_clear_delegation(state); - switch (type & (FMODE_READ|FMODE_WRITE)) { - case FMODE_READ|FMODE_WRITE: - case FMODE_WRITE: + if (!test_bit(NFS_O_RDWR_STATE, &state->flags)) { err = nfs4_open_recover_helper(opendata, FMODE_READ|FMODE_WRITE); if (err) - break; + goto out; + } + if (!test_bit(NFS_O_WRONLY_STATE, &state->flags)) { err = nfs4_open_recover_helper(opendata, FMODE_WRITE); if (err) - break; - /* Fall through */ - case FMODE_READ: + goto out; + } + if (!test_bit(NFS_O_RDONLY_STATE, &state->flags)) { err = nfs4_open_recover_helper(opendata, FMODE_READ); + if (err) + goto out; } + nfs_state_clear_delegation(state); +out: nfs4_opendata_put(opendata); return nfs4_handle_delegation_recall_error(server, state, stateid, NULL, err); } @@ -2492,6 +2500,7 @@ static int nfs4_run_open_task(struct nfs4_opendata *data, if (!ctx) { nfs4_init_sequence(&o_arg->seq_args, &o_res->seq_res, 1, 1); data->is_recover = true; + task_setup_data.flags |= RPC_TASK_TIMEOUT; } else { nfs4_init_sequence(&o_arg->seq_args, &o_res->seq_res, 1, 0); pnfs_lgopen_prepare(data, ctx); @@ -2698,6 +2707,7 @@ static int nfs40_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st { /* NFSv4.0 doesn't allow for delegation recovery on open expire */ nfs40_clear_delegation_stateid(state); + nfs_state_clear_open_state_flags(state); return nfs4_open_expired(sp, state); } @@ -2740,13 +2750,13 @@ out_free: return -NFS4ERR_EXPIRED; } -static void nfs41_check_delegation_stateid(struct nfs4_state *state) +static int nfs41_check_delegation_stateid(struct nfs4_state *state) { struct nfs_server *server = NFS_SERVER(state->inode); nfs4_stateid stateid; struct nfs_delegation *delegation; const struct cred *cred = NULL; - int status; + int status, ret = NFS_OK; /* Get the delegation credential for use by test/free_stateid */ rcu_read_lock(); @@ -2754,20 +2764,15 @@ static void nfs41_check_delegation_stateid(struct nfs4_state *state) if (delegation == NULL) { rcu_read_unlock(); nfs_state_clear_delegation(state); - return; + return NFS_OK; } nfs4_stateid_copy(&stateid, &delegation->stateid); - if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) { - rcu_read_unlock(); - nfs_state_clear_delegation(state); - return; - } if (!test_and_clear_bit(NFS_DELEGATION_TEST_EXPIRED, &delegation->flags)) { rcu_read_unlock(); - return; + return NFS_OK; } if (delegation->cred) @@ -2777,9 +2782,24 @@ static void nfs41_check_delegation_stateid(struct nfs4_state *state) trace_nfs4_test_delegation_stateid(state, NULL, status); if (status == -NFS4ERR_EXPIRED || status == -NFS4ERR_BAD_STATEID) nfs_finish_clear_delegation_stateid(state, &stateid); + else + ret = status; - if (delegation->cred) - put_cred(cred); + put_cred(cred); + return ret; +} + +static void nfs41_delegation_recover_stateid(struct nfs4_state *state) +{ + nfs4_stateid tmp; + + if (test_bit(NFS_DELEGATED_STATE, &state->flags) && + nfs4_copy_delegation_stateid(state->inode, state->state, + &tmp, NULL) && + nfs4_stateid_match_other(&state->stateid, &tmp)) + nfs_state_set_delegation(state, &tmp, state->state); + else + nfs_state_clear_delegation(state); } /** @@ -2849,21 +2869,12 @@ static int nfs41_check_open_stateid(struct nfs4_state *state) const struct cred *cred = state->owner->so_cred; int status; - if (test_bit(NFS_OPEN_STATE, &state->flags) == 0) { - if (test_bit(NFS_DELEGATED_STATE, &state->flags) == 0) { - if (nfs4_have_delegation(state->inode, state->state)) - return NFS_OK; - return -NFS4ERR_OPENMODE; - } + if (test_bit(NFS_OPEN_STATE, &state->flags) == 0) return -NFS4ERR_BAD_STATEID; - } status = nfs41_test_and_free_expired_stateid(server, stateid, cred); trace_nfs4_test_open_stateid(state, NULL, status); if (status == -NFS4ERR_EXPIRED || status == -NFS4ERR_BAD_STATEID) { - clear_bit(NFS_O_RDONLY_STATE, &state->flags); - clear_bit(NFS_O_WRONLY_STATE, &state->flags); - clear_bit(NFS_O_RDWR_STATE, &state->flags); - clear_bit(NFS_OPEN_STATE, &state->flags); + nfs_state_clear_open_state_flags(state); stateid->type = NFS4_INVALID_STATEID_TYPE; return status; } @@ -2876,7 +2887,11 @@ static int nfs41_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st { int status; - nfs41_check_delegation_stateid(state); + status = nfs41_check_delegation_stateid(state); + if (status != NFS_OK) + return status; + nfs41_delegation_recover_stateid(state); + status = nfs41_check_expired_locks(state); if (status != NFS_OK) return status; @@ -3201,7 +3216,7 @@ static int _nfs4_do_setattr(struct inode *inode, if (nfs4_copy_delegation_stateid(inode, FMODE_WRITE, &arg->stateid, &delegation_cred)) { /* Use that stateid */ - } else if (ctx != NULL) { + } else if (ctx != NULL && ctx->state) { struct nfs_lock_context *l_ctx; if (!nfs4_valid_open_stateid(ctx->state)) return -EBADF; diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 9afd051a4876..cad4e064b328 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -624,24 +624,39 @@ void nfs4_put_state_owner(struct nfs4_state_owner *sp) /** * nfs4_purge_state_owners - Release all cached state owners * @server: nfs_server with cached state owners to release + * @head: resulting list of state owners * * Called at umount time. Remaining state owners will be on * the LRU with ref count of zero. + * Note that the state owners are not freed, but are added + * to the list @head, which can later be used as an argument + * to nfs4_free_state_owners. */ -void nfs4_purge_state_owners(struct nfs_server *server) +void nfs4_purge_state_owners(struct nfs_server *server, struct list_head *head) { struct nfs_client *clp = server->nfs_client; struct nfs4_state_owner *sp, *tmp; - LIST_HEAD(doomed); spin_lock(&clp->cl_lock); list_for_each_entry_safe(sp, tmp, &server->state_owners_lru, so_lru) { - list_move(&sp->so_lru, &doomed); + list_move(&sp->so_lru, head); nfs4_remove_state_owner_locked(sp); } spin_unlock(&clp->cl_lock); +} - list_for_each_entry_safe(sp, tmp, &doomed, so_lru) { +/** + * nfs4_purge_state_owners - Release all cached state owners + * @head: resulting list of state owners + * + * Frees a list of state owners that was generated by + * nfs4_purge_state_owners + */ +void nfs4_free_state_owners(struct list_head *head) +{ + struct nfs4_state_owner *sp, *tmp; + + list_for_each_entry_safe(sp, tmp, head, so_lru) { list_del(&sp->so_lru); nfs4_free_state_owner(sp); } @@ -1463,7 +1478,7 @@ void nfs_inode_find_state_and_recover(struct inode *inode, nfs4_schedule_state_manager(clp); } -static void nfs4_state_mark_open_context_bad(struct nfs4_state *state) +static void nfs4_state_mark_open_context_bad(struct nfs4_state *state, int err) { struct inode *inode = state->inode; struct nfs_inode *nfsi = NFS_I(inode); @@ -1474,6 +1489,8 @@ static void nfs4_state_mark_open_context_bad(struct nfs4_state *state) if (ctx->state != state) continue; set_bit(NFS_CONTEXT_BAD, &ctx->flags); + pr_warn("NFSv4: state recovery failed for open file %pd2, " + "error = %d\n", ctx->dentry, err); } rcu_read_unlock(); } @@ -1481,7 +1498,7 @@ static void nfs4_state_mark_open_context_bad(struct nfs4_state *state) static void nfs4_state_mark_recovery_failed(struct nfs4_state *state, int error) { set_bit(NFS_STATE_RECOVERY_FAILED, &state->flags); - nfs4_state_mark_open_context_bad(state); + nfs4_state_mark_open_context_bad(state, error); } @@ -1512,6 +1529,7 @@ restart: switch (status) { case 0: break; + case -ETIMEDOUT: case -ESTALE: case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_STALE_STATEID: @@ -1605,6 +1623,7 @@ static int __nfs4_reclaim_open_state(struct nfs4_state_owner *sp, struct nfs4_st static int nfs4_reclaim_open_state(struct nfs4_state_owner *sp, const struct nfs4_state_recovery_ops *ops) { struct nfs4_state *state; + unsigned int loop = 0; int status = 0; /* Note: we rely on the sp->so_states list being ordered @@ -1631,8 +1650,10 @@ restart: switch (status) { default: - if (status >= 0) + if (status >= 0) { + loop = 0; break; + } printk(KERN_ERR "NFS: %s: unhandled error %d\n", __func__, status); /* Fall through */ case -ENOENT: @@ -1646,6 +1667,10 @@ restart: break; case -EAGAIN: ssleep(1); + if (loop++ < 10) { + set_bit(ops->state_flag_bit, &state->flags); + break; + } /* Fall through */ case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_STALE_STATEID: @@ -1658,11 +1683,13 @@ restart: case -NFS4ERR_EXPIRED: case -NFS4ERR_NO_GRACE: nfs4_state_mark_reclaim_nograce(sp->so_server->nfs_client, state); + /* Fall through */ case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_BADSESSION: case -NFS4ERR_BADSLOT: case -NFS4ERR_BAD_HIGH_SLOT: case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: + case -ETIMEDOUT: goto out_err; } nfs4_put_open_state(state); @@ -1856,12 +1883,13 @@ static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recov struct nfs4_state_owner *sp; struct nfs_server *server; struct rb_node *pos; + LIST_HEAD(freeme); int status = 0; restart: rcu_read_lock(); list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link) { - nfs4_purge_state_owners(server); + nfs4_purge_state_owners(server, &freeme); spin_lock(&clp->cl_lock); for (pos = rb_first(&server->state_owners); pos != NULL; @@ -1890,6 +1918,7 @@ restart: spin_unlock(&clp->cl_lock); } rcu_read_unlock(); + nfs4_free_state_owners(&freeme); return 0; } @@ -1945,7 +1974,6 @@ static int nfs4_handle_reclaim_lease_error(struct nfs_client *clp, int status) return -EPERM; case -EACCES: case -NFS4ERR_DELAY: - case -ETIMEDOUT: case -EAGAIN: ssleep(1); break; @@ -2574,7 +2602,7 @@ static void nfs4_state_manager(struct nfs_client *clp) } /* Now recover expired state... */ - if (test_and_clear_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state)) { + if (test_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state)) { section = "reclaim nograce"; status = nfs4_do_reclaim(clp, clp->cl_mvops->nograce_recovery_ops); @@ -2582,6 +2610,7 @@ static void nfs4_state_manager(struct nfs_client *clp) continue; if (status < 0) goto out_error; + clear_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state); } nfs4_end_drain_session(clp); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 75bd5b552ba4..4525d5acae38 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1903,12 +1903,6 @@ lookup_again: goto out_unlock; } - if (!nfs4_valid_open_stateid(ctx->state)) { - trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, - PNFS_UPDATE_LAYOUT_INVALID_OPEN); - goto out_unlock; - } - /* * Choose a stateid for the LAYOUTGET. If we don't have a layout * stateid, or it has been invalidated, then we must use the open @@ -1939,6 +1933,7 @@ lookup_again: iomode == IOMODE_RW ? FMODE_WRITE : FMODE_READ, NULL, &stateid, NULL); if (status != 0) { + lseg = ERR_PTR(status); trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, PNFS_UPDATE_LAYOUT_INVALID_OPEN); diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 628631e2e34f..703f595dce90 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2260,6 +2260,7 @@ nfs_compare_remount_data(struct nfs_server *nfss, data->acdirmin != nfss->acdirmin / HZ || data->acdirmax != nfss->acdirmax / HZ || data->timeo != (10U * nfss->client->cl_timeout->to_initval / HZ) || + (data->options & NFS_OPTION_FSCACHE) != (nfss->options & NFS_OPTION_FSCACHE) || data->nfs_server.port != nfss->port || data->nfs_server.addrlen != nfss->nfs_client->cl_addrlen || !rpc_cmp_addr((struct sockaddr *)&data->nfs_server.address, diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 385f3aaa2448..90c830e3758e 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3825,7 +3825,6 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); int low_bucket = 0, bucket, high_bucket; struct ocfs2_xattr_bucket *search; - u32 last_hash; u64 blkno, lower_blkno = 0; search = ocfs2_xattr_bucket_new(inode); @@ -3869,8 +3868,6 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, if (xh->xh_count) xe = &xh->xh_entries[le16_to_cpu(xh->xh_count) - 1]; - last_hash = le32_to_cpu(xe->xe_name_hash); - /* record lower_blkno which may be the insert place. */ lower_blkno = blkno; diff --git a/fs/super.c b/fs/super.c index 113c58f19425..5960578a4076 100644 --- a/fs/super.c +++ b/fs/super.c @@ -478,13 +478,10 @@ EXPORT_SYMBOL(generic_shutdown_super); bool mount_capable(struct fs_context *fc) { - struct user_namespace *user_ns = fc->global ? &init_user_ns - : fc->user_ns; - if (!(fc->fs_type->fs_flags & FS_USERNS_MOUNT)) return capable(CAP_SYS_ADMIN); else - return ns_capable(user_ns, CAP_SYS_ADMIN); + return ns_capable(fc->user_ns, CAP_SYS_ADMIN); } /** diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c index 94c4f1de1922..77ff9f97bcda 100644 --- a/fs/xfs/scrub/dabtree.c +++ b/fs/xfs/scrub/dabtree.c @@ -278,7 +278,11 @@ xchk_da_btree_block_check_sibling( /* Compare upper level pointer to sibling pointer. */ if (ds->state->altpath.blk[level].blkno != sibling) xchk_da_set_corrupt(ds, level); - xfs_trans_brelse(ds->dargs.trans, ds->state->altpath.blk[level].bp); + if (ds->state->altpath.blk[level].bp) { + xfs_trans_brelse(ds->dargs.trans, + ds->state->altpath.blk[level].bp); + ds->state->altpath.blk[level].bp = NULL; + } out: return error; } diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index a8a06bb78ea8..f5c955d35be4 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -272,6 +272,7 @@ xfs_bulkstat_to_bstat( struct xfs_bstat *bs1, const struct xfs_bulkstat *bstat) { + /* memset is needed here because of padding holes in the structure. */ memset(bs1, 0, sizeof(struct xfs_bstat)); bs1->bs_ino = bstat->bs_ino; bs1->bs_mode = bstat->bs_mode; @@ -388,6 +389,8 @@ xfs_inumbers_to_inogrp( struct xfs_inogrp *ig1, const struct xfs_inumbers *ig) { + /* memset is needed here because of padding holes in the structure. */ + memset(ig1, 0, sizeof(struct xfs_inogrp)); ig1->xi_startino = ig->xi_startino; ig1->xi_alloccount = ig->xi_alloccount; ig1->xi_allocmask = ig->xi_allocmask; diff --git a/include/asm-generic/getorder.h b/include/asm-generic/getorder.h index c64bea7a52be..e9f20b813a69 100644 --- a/include/asm-generic/getorder.h +++ b/include/asm-generic/getorder.h @@ -7,24 +7,6 @@ #include <linux/compiler.h> #include <linux/log2.h> -/* - * Runtime evaluation of get_order() - */ -static inline __attribute_const__ -int __get_order(unsigned long size) -{ - int order; - - size--; - size >>= PAGE_SHIFT; -#if BITS_PER_LONG == 32 - order = fls(size); -#else - order = fls64(size); -#endif - return order; -} - /** * get_order - Determine the allocation order of a memory size * @size: The size for which to get the order @@ -43,19 +25,27 @@ int __get_order(unsigned long size) * to hold an object of the specified size. * * The result is undefined if the size is 0. - * - * This function may be used to initialise variables with compile time - * evaluations of constants. */ -#define get_order(n) \ -( \ - __builtin_constant_p(n) ? ( \ - ((n) == 0UL) ? BITS_PER_LONG - PAGE_SHIFT : \ - (((n) < (1UL << PAGE_SHIFT)) ? 0 : \ - ilog2((n) - 1) - PAGE_SHIFT + 1) \ - ) : \ - __get_order(n) \ -) +static inline __attribute_const__ int get_order(unsigned long size) +{ + if (__builtin_constant_p(size)) { + if (!size) + return BITS_PER_LONG - PAGE_SHIFT; + + if (size < (1UL << PAGE_SHIFT)) + return 0; + + return ilog2((size) - 1) - PAGE_SHIFT + 1; + } + + size--; + size >>= PAGE_SHIFT; +#if BITS_PER_LONG == 32 + return fls(size); +#else + return fls64(size); +#endif +} #endif /* __ASSEMBLY__ */ diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h index 72d51d1e9dd9..5cf2c5dd8b1e 100644 --- a/include/drm/drm_client.h +++ b/include/drm/drm_client.h @@ -149,6 +149,8 @@ struct drm_client_buffer { struct drm_client_buffer * drm_client_framebuffer_create(struct drm_client_dev *client, u32 width, u32 height, u32 format); void drm_client_framebuffer_delete(struct drm_client_buffer *buffer); +void *drm_client_buffer_vmap(struct drm_client_buffer *buffer); +void drm_client_buffer_vunmap(struct drm_client_buffer *buffer); int drm_client_modeset_create(struct drm_client_dev *client); void drm_client_modeset_free(struct drm_client_dev *client); diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 759d462d028b..f57eea0481e0 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -853,6 +853,13 @@ struct drm_mode_config { uint32_t preferred_depth, prefer_shadow; /** + * @prefer_shadow_fbdev: + * + * Hint to framebuffer emulation to prefer shadow-fb rendering. + */ + bool prefer_shadow_fbdev; + + /** * @quirk_addfb_prefer_xbgr_30bpp: * * Special hack for legacy ADDFB to keep nouveau userspace happy. Should diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h index 16c769a7f979..6db030439e29 100644 --- a/include/kvm/arm_pmu.h +++ b/include/kvm/arm_pmu.h @@ -34,6 +34,7 @@ struct kvm_pmu { u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu, u64 select_idx); void kvm_pmu_set_counter_value(struct kvm_vcpu *vcpu, u64 select_idx, u64 val); u64 kvm_pmu_valid_counter_mask(struct kvm_vcpu *vcpu); +void kvm_pmu_vcpu_init(struct kvm_vcpu *vcpu); void kvm_pmu_vcpu_reset(struct kvm_vcpu *vcpu); void kvm_pmu_vcpu_destroy(struct kvm_vcpu *vcpu); void kvm_pmu_disable_counter_mask(struct kvm_vcpu *vcpu, u64 val); @@ -71,6 +72,7 @@ static inline u64 kvm_pmu_valid_counter_mask(struct kvm_vcpu *vcpu) { return 0; } +static inline void kvm_pmu_vcpu_init(struct kvm_vcpu *vcpu) {} static inline void kvm_pmu_vcpu_reset(struct kvm_vcpu *vcpu) {} static inline void kvm_pmu_vcpu_destroy(struct kvm_vcpu *vcpu) {} static inline void kvm_pmu_disable_counter_mask(struct kvm_vcpu *vcpu, u64 val) {} diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 46bbc949c20a..7a30524a80ee 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -350,6 +350,7 @@ int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu); void kvm_vgic_load(struct kvm_vcpu *vcpu); void kvm_vgic_put(struct kvm_vcpu *vcpu); +void kvm_vgic_vmcr_sync(struct kvm_vcpu *vcpu); #define irqchip_in_kernel(k) (!!((k)->arch.vgic.in_kernel)) #define vgic_initialized(k) ((k)->arch.vgic.initialized) diff --git a/include/linux/ccp.h b/include/linux/ccp.h index 55cb455cfcb0..a5dfbaf2470d 100644 --- a/include/linux/ccp.h +++ b/include/linux/ccp.h @@ -170,6 +170,8 @@ struct ccp_aes_engine { enum ccp_aes_mode mode; enum ccp_aes_action action; + u32 authsize; + struct scatterlist *key; u32 key_len; /* In bytes */ diff --git a/include/linux/clk.h b/include/linux/clk.h index 3c096c7a51dc..853a8f181394 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -359,6 +359,7 @@ int __must_check devm_clk_bulk_get(struct device *dev, int num_clks, /** * devm_clk_bulk_get_optional - managed get multiple optional consumer clocks * @dev: device for clock "consumer" + * @num_clks: the number of clk_bulk_data * @clks: pointer to the clk_bulk_data table of consumer * * Behaves the same as devm_clk_bulk_get() except where there is no clock diff --git a/include/linux/dim.h b/include/linux/dim.h index d3a0fbfff2bb..9fa4b3f88c39 100644 --- a/include/linux/dim.h +++ b/include/linux/dim.h @@ -272,62 +272,6 @@ dim_update_sample_with_comps(u16 event_ctr, u64 packets, u64 bytes, u64 comps, /* Net DIM */ -/* - * Net DIM profiles: - * There are different set of profiles for each CQ period mode. - * There are different set of profiles for RX/TX CQs. - * Each profile size must be of NET_DIM_PARAMS_NUM_PROFILES - */ -#define NET_DIM_PARAMS_NUM_PROFILES 5 -#define NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE 256 -#define NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE 128 -#define NET_DIM_DEF_PROFILE_CQE 1 -#define NET_DIM_DEF_PROFILE_EQE 1 - -#define NET_DIM_RX_EQE_PROFILES { \ - {1, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {8, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {64, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {128, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {256, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ -} - -#define NET_DIM_RX_CQE_PROFILES { \ - {2, 256}, \ - {8, 128}, \ - {16, 64}, \ - {32, 64}, \ - {64, 64} \ -} - -#define NET_DIM_TX_EQE_PROFILES { \ - {1, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {8, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {32, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {64, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {128, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE} \ -} - -#define NET_DIM_TX_CQE_PROFILES { \ - {5, 128}, \ - {8, 64}, \ - {16, 32}, \ - {32, 32}, \ - {64, 32} \ -} - -static const struct dim_cq_moder -rx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = { - NET_DIM_RX_EQE_PROFILES, - NET_DIM_RX_CQE_PROFILES, -}; - -static const struct dim_cq_moder -tx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = { - NET_DIM_TX_EQE_PROFILES, - NET_DIM_TX_CQE_PROFILES, -}; - /** * net_dim_get_rx_moderation - provide a CQ moderation object for the given RX profile * @cq_period_mode: CQ period mode diff --git a/include/linux/filter.h b/include/linux/filter.h index ff65d22cf336..92c6e31fb008 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -24,6 +24,7 @@ #include <net/sch_generic.h> +#include <asm/byteorder.h> #include <uapi/linux/filter.h> #include <uapi/linux/bpf.h> @@ -747,6 +748,18 @@ bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default) return size <= size_default && (size & (size - 1)) == 0; } +static inline u8 +bpf_ctx_narrow_load_shift(u32 off, u32 size, u32 size_default) +{ + u8 load_off = off & (size_default - 1); + +#ifdef __LITTLE_ENDIAN + return load_off * 8; +#else + return (size_default - (load_off + size)) * 8; +#endif +} + #define bpf_ctx_wide_access_ok(off, size, type, field) \ (size == sizeof(__u64) && \ off >= offsetof(type, field) && \ diff --git a/include/linux/fs.h b/include/linux/fs.h index 56b8e358af5c..997a530ff4e9 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2598,6 +2598,12 @@ extern struct block_device *blkdev_get_by_path(const char *path, fmode_t mode, void *holder); extern struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder); +extern struct block_device *bd_start_claiming(struct block_device *bdev, + void *holder); +extern void bd_finish_claiming(struct block_device *bdev, + struct block_device *whole, void *holder); +extern void bd_abort_claiming(struct block_device *bdev, + struct block_device *whole, void *holder); extern void blkdev_put(struct block_device *bdev, fmode_t mode); extern int __blkdev_reread_part(struct block_device *bdev); extern int blkdev_reread_part(struct block_device *bdev); diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index 9ddcf50a3c59..a7f08fb0f865 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -247,7 +247,7 @@ static inline void gpiod_put(struct gpio_desc *desc) might_sleep(); /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); } static inline void devm_gpiod_unhinge(struct device *dev, @@ -256,7 +256,7 @@ static inline void devm_gpiod_unhinge(struct device *dev, might_sleep(); /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); } static inline void gpiod_put_array(struct gpio_descs *descs) @@ -264,7 +264,7 @@ static inline void gpiod_put_array(struct gpio_descs *descs) might_sleep(); /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(descs); } static inline struct gpio_desc *__must_check @@ -317,7 +317,7 @@ static inline void devm_gpiod_put(struct device *dev, struct gpio_desc *desc) might_sleep(); /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); } static inline void devm_gpiod_put_array(struct device *dev, @@ -326,32 +326,32 @@ static inline void devm_gpiod_put_array(struct device *dev, might_sleep(); /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(descs); } static inline int gpiod_get_direction(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -ENOSYS; } static inline int gpiod_direction_input(struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -ENOSYS; } static inline int gpiod_direction_output(struct gpio_desc *desc, int value) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -ENOSYS; } static inline int gpiod_direction_output_raw(struct gpio_desc *desc, int value) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -ENOSYS; } @@ -359,7 +359,7 @@ static inline int gpiod_direction_output_raw(struct gpio_desc *desc, int value) static inline int gpiod_get_value(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return 0; } static inline int gpiod_get_array_value(unsigned int array_size, @@ -368,13 +368,13 @@ static inline int gpiod_get_array_value(unsigned int array_size, unsigned long *value_bitmap) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc_array); return 0; } static inline void gpiod_set_value(struct gpio_desc *desc, int value) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); } static inline int gpiod_set_array_value(unsigned int array_size, struct gpio_desc **desc_array, @@ -382,13 +382,13 @@ static inline int gpiod_set_array_value(unsigned int array_size, unsigned long *value_bitmap) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc_array); return 0; } static inline int gpiod_get_raw_value(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return 0; } static inline int gpiod_get_raw_array_value(unsigned int array_size, @@ -397,13 +397,13 @@ static inline int gpiod_get_raw_array_value(unsigned int array_size, unsigned long *value_bitmap) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc_array); return 0; } static inline void gpiod_set_raw_value(struct gpio_desc *desc, int value) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); } static inline int gpiod_set_raw_array_value(unsigned int array_size, struct gpio_desc **desc_array, @@ -411,14 +411,14 @@ static inline int gpiod_set_raw_array_value(unsigned int array_size, unsigned long *value_bitmap) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc_array); return 0; } static inline int gpiod_get_value_cansleep(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return 0; } static inline int gpiod_get_array_value_cansleep(unsigned int array_size, @@ -427,13 +427,13 @@ static inline int gpiod_get_array_value_cansleep(unsigned int array_size, unsigned long *value_bitmap) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc_array); return 0; } static inline void gpiod_set_value_cansleep(struct gpio_desc *desc, int value) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); } static inline int gpiod_set_array_value_cansleep(unsigned int array_size, struct gpio_desc **desc_array, @@ -441,13 +441,13 @@ static inline int gpiod_set_array_value_cansleep(unsigned int array_size, unsigned long *value_bitmap) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc_array); return 0; } static inline int gpiod_get_raw_value_cansleep(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return 0; } static inline int gpiod_get_raw_array_value_cansleep(unsigned int array_size, @@ -456,14 +456,14 @@ static inline int gpiod_get_raw_array_value_cansleep(unsigned int array_size, unsigned long *value_bitmap) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc_array); return 0; } static inline void gpiod_set_raw_value_cansleep(struct gpio_desc *desc, int value) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); } static inline int gpiod_set_raw_array_value_cansleep(unsigned int array_size, struct gpio_desc **desc_array, @@ -471,41 +471,41 @@ static inline int gpiod_set_raw_array_value_cansleep(unsigned int array_size, unsigned long *value_bitmap) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc_array); return 0; } static inline int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -ENOSYS; } static inline int gpiod_set_transitory(struct gpio_desc *desc, bool transitory) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -ENOSYS; } static inline int gpiod_is_active_low(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return 0; } static inline int gpiod_cansleep(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return 0; } static inline int gpiod_to_irq(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -EINVAL; } @@ -513,7 +513,7 @@ static inline int gpiod_set_consumer_name(struct gpio_desc *desc, const char *name) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -EINVAL; } @@ -525,7 +525,7 @@ static inline struct gpio_desc *gpio_to_desc(unsigned gpio) static inline int desc_to_gpio(const struct gpio_desc *desc) { /* GPIO can never have been requested */ - WARN_ON(1); + WARN_ON(desc); return -EINVAL; } diff --git a/include/linux/hmm.h b/include/linux/hmm.h index b8a08b2a10ca..7ef56dc18050 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -484,60 +484,6 @@ long hmm_range_dma_unmap(struct hmm_range *range, */ #define HMM_RANGE_DEFAULT_TIMEOUT 1000 -/* This is a temporary helper to avoid merge conflict between trees. */ -static inline bool hmm_vma_range_done(struct hmm_range *range) -{ - bool ret = hmm_range_valid(range); - - hmm_range_unregister(range); - return ret; -} - -/* This is a temporary helper to avoid merge conflict between trees. */ -static inline int hmm_vma_fault(struct hmm_mirror *mirror, - struct hmm_range *range, bool block) -{ - long ret; - - /* - * With the old API the driver must set each individual entries with - * the requested flags (valid, write, ...). So here we set the mask to - * keep intact the entries provided by the driver and zero out the - * default_flags. - */ - range->default_flags = 0; - range->pfn_flags_mask = -1UL; - - ret = hmm_range_register(range, mirror, - range->start, range->end, - PAGE_SHIFT); - if (ret) - return (int)ret; - - if (!hmm_range_wait_until_valid(range, HMM_RANGE_DEFAULT_TIMEOUT)) { - /* - * The mmap_sem was taken by driver we release it here and - * returns -EAGAIN which correspond to mmap_sem have been - * drop in the old API. - */ - up_read(&range->vma->vm_mm->mmap_sem); - return -EAGAIN; - } - - ret = hmm_range_fault(range, block); - if (ret <= 0) { - if (ret == -EBUSY || !ret) { - /* Same as above, drop mmap_sem to match old API. */ - up_read(&range->vma->vm_mm->mmap_sem); - ret = -EBUSY; - } else if (ret == -EAGAIN) - ret = -EBUSY; - hmm_range_unregister(range); - return ret; - } - return 0; -} - /* Below are for HMM internal use only! Not to be used by device driver! */ static inline void hmm_mm_init(struct mm_struct *mm) { diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h index 8b728750a625..69e813bcb947 100644 --- a/include/linux/if_pppox.h +++ b/include/linux/if_pppox.h @@ -80,6 +80,9 @@ extern int register_pppox_proto(int proto_num, const struct pppox_proto *pp); extern void unregister_pppox_proto(int proto_num); extern void pppox_unbind_sock(struct sock *sk);/* delete ppp-channel binding */ extern int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); +extern int pppox_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); + +#define PPPOEIOCSFWD32 _IOW(0xB1 ,0, compat_size_t) /* PPPoX socket states */ enum { diff --git a/include/linux/if_rmnet.h b/include/linux/if_rmnet.h index b4f5403383fc..9661416a9bb4 100644 --- a/include/linux/if_rmnet.h +++ b/include/linux/if_rmnet.h @@ -41,11 +41,11 @@ struct rmnet_map_ul_csum_header { __be16 csum_start_offset; #if defined(__LITTLE_ENDIAN_BITFIELD) u16 csum_insert_offset:14; - u16 udp_ip4_ind:1; + u16 udp_ind:1; u16 csum_enabled:1; #elif defined (__BIG_ENDIAN_BITFIELD) u16 csum_enabled:1; - u16 udp_ip4_ind:1; + u16 udp_ind:1; u16 csum_insert_offset:14; #else #error "Please fix <asm/byteorder.h>" diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 5c5b5867024c..fcb46b3374c6 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -861,8 +861,9 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); -bool kvm_arch_has_vcpu_debugfs(void); -int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu); +#ifdef __KVM_HAVE_ARCH_VCPU_DEBUGFS +void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu); +#endif int kvm_arch_hardware_enable(void); void kvm_arch_hardware_disable(void); @@ -872,6 +873,7 @@ int kvm_arch_check_processor_compat(void); int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu); bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu); int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu); +bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu); #ifndef __KVM_HAVE_ARCH_VM_ALLOC /* diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index 04a569568eac..f049af3f3cd8 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -220,6 +220,7 @@ int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); +u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter); void mlx5_fc_query_cached(struct mlx5_fc *counter, u64 *bytes, u64 *packets, u64 *lastuse); int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index b3d5752657d9..ec571fd7fcf8 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -5975,10 +5975,12 @@ struct mlx5_ifc_modify_cq_in_bits { struct mlx5_ifc_cqc_bits cq_context; - u8 reserved_at_280[0x40]; + u8 reserved_at_280[0x60]; u8 cq_umem_valid[0x1]; - u8 reserved_at_2c1[0x5bf]; + u8 reserved_at_2e1[0x1f]; + + u8 reserved_at_300[0x580]; u8 pas[0][0x40]; }; diff --git a/include/linux/page-flags-layout.h b/include/linux/page-flags-layout.h index 1dda31825ec4..71283739ffd2 100644 --- a/include/linux/page-flags-layout.h +++ b/include/linux/page-flags-layout.h @@ -32,6 +32,7 @@ #endif /* CONFIG_SPARSEMEM */ +#ifndef BUILD_VDSO32_64 /* * page->flags layout: * @@ -76,20 +77,22 @@ #define LAST_CPUPID_SHIFT 0 #endif -#if SECTIONS_WIDTH+ZONES_WIDTH+NODES_SHIFT+LAST_CPUPID_SHIFT <= BITS_PER_LONG - NR_PAGEFLAGS +#ifdef CONFIG_KASAN_SW_TAGS +#define KASAN_TAG_WIDTH 8 +#else +#define KASAN_TAG_WIDTH 0 +#endif + +#if SECTIONS_WIDTH+ZONES_WIDTH+NODES_SHIFT+LAST_CPUPID_SHIFT+KASAN_TAG_WIDTH \ + <= BITS_PER_LONG - NR_PAGEFLAGS #define LAST_CPUPID_WIDTH LAST_CPUPID_SHIFT #else #define LAST_CPUPID_WIDTH 0 #endif -#ifdef CONFIG_KASAN_SW_TAGS -#define KASAN_TAG_WIDTH 8 #if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH+LAST_CPUPID_WIDTH+KASAN_TAG_WIDTH \ > BITS_PER_LONG - NR_PAGEFLAGS -#error "KASAN: not enough bits in page flags for tag" -#endif -#else -#define KASAN_TAG_WIDTH 0 +#error "Not enough bits in page flags" #endif /* @@ -104,4 +107,5 @@ #define LAST_CPUPID_NOT_IN_PAGE_FLAGS #endif +#endif #endif /* _LINUX_PAGE_FLAGS_LAYOUT */ diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index b848517da64c..f91cb8898ff0 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -152,6 +152,8 @@ enum pageflags { PG_savepinned = PG_dirty, /* Has a grant mapping of another (foreign) domain's page. */ PG_foreign = PG_owner_priv_1, + /* Remapped by swiotlb-xen. */ + PG_xen_remapped = PG_owner_priv_1, /* SLOB */ PG_slob_free = PG_private, @@ -329,6 +331,8 @@ PAGEFLAG(Pinned, pinned, PF_NO_COMPOUND) TESTSCFLAG(Pinned, pinned, PF_NO_COMPOUND) PAGEFLAG(SavePinned, savepinned, PF_NO_COMPOUND); PAGEFLAG(Foreign, foreign, PF_NO_COMPOUND); +PAGEFLAG(XenRemapped, xen_remapped, PF_NO_COMPOUND) + TESTCLEARFLAG(XenRemapped, xen_remapped, PF_NO_COMPOUND) PAGEFLAG(Reserved, reserved, PF_NO_COMPOUND) __CLEARPAGEFLAG(Reserved, reserved, PF_NO_COMPOUND) diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index 50ced8aba9db..e4b3fb4bb77c 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -354,7 +354,13 @@ static inline void sk_psock_restore_proto(struct sock *sk, sk->sk_write_space = psock->saved_write_space; if (psock->sk_proto) { - sk->sk_prot = psock->sk_proto; + struct inet_connection_sock *icsk = inet_csk(sk); + bool has_ulp = !!icsk->icsk_ulp_data; + + if (has_ulp) + tcp_update_ulp(sk, psock->sk_proto); + else + sk->sk_prot = psock->sk_proto; psock->sk_proto = NULL; } } diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 45850a8391d9..26e2ad2c7027 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -7320,6 +7320,21 @@ void cfg80211_pmsr_complete(struct wireless_dev *wdev, struct cfg80211_pmsr_request *req, gfp_t gfp); +/** + * cfg80211_iftype_allowed - check whether the interface can be allowed + * @wiphy: the wiphy + * @iftype: interface type + * @is_4addr: use_4addr flag, must be '0' when check_swif is '1' + * @check_swif: check iftype against software interfaces + * + * Check whether the interface is allowed to operate; additionally, this API + * can be used to check iftype against the software interfaces when + * check_swif is '1'. + */ +bool cfg80211_iftype_allowed(struct wiphy *wiphy, enum nl80211_iftype iftype, + bool is_4addr, u8 check_swif); + + /* Logging, debugging and troubleshooting/diagnostic helpers. */ /* wiphy_printk helpers, similar to dev_printk */ diff --git a/include/net/tc_act/tc_police.h b/include/net/tc_act/tc_police.h index 8b9ef3664262..cfdc7cb82cad 100644 --- a/include/net/tc_act/tc_police.h +++ b/include/net/tc_act/tc_police.h @@ -54,7 +54,7 @@ static inline u64 tcf_police_rate_bytes_ps(const struct tc_action *act) struct tcf_police *police = to_police(act); struct tcf_police_params *params; - params = rcu_dereference_bh(police->params); + params = rcu_dereference_bh_rtnl(police->params); return params->rate.rate_bytes_ps; } @@ -63,7 +63,7 @@ static inline s64 tcf_police_tcfp_burst(const struct tc_action *act) struct tcf_police *police = to_police(act); struct tcf_police_params *params; - params = rcu_dereference_bh(police->params); + params = rcu_dereference_bh_rtnl(police->params); return params->tcfp_burst; } diff --git a/include/net/tc_act/tc_sample.h b/include/net/tc_act/tc_sample.h index 0a559d4b6f0f..b4fce0fae645 100644 --- a/include/net/tc_act/tc_sample.h +++ b/include/net/tc_act/tc_sample.h @@ -44,7 +44,7 @@ static inline int tcf_sample_trunc_size(const struct tc_action *a) static inline struct psample_group * tcf_sample_psample_group(const struct tc_action *a) { - return rcu_dereference(to_sample(a)->psample_group); + return rcu_dereference_rtnl(to_sample(a)->psample_group); } #endif /* __NET_TC_SAMPLE_H */ diff --git a/include/net/tcp.h b/include/net/tcp.h index e5cf514ba118..81e8ade1e6e4 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -2108,6 +2108,8 @@ struct tcp_ulp_ops { /* initialize ulp */ int (*init)(struct sock *sk); + /* update ulp */ + void (*update)(struct sock *sk, struct proto *p); /* cleanup ulp */ void (*release)(struct sock *sk); @@ -2119,6 +2121,7 @@ void tcp_unregister_ulp(struct tcp_ulp_ops *type); int tcp_set_ulp(struct sock *sk, const char *name); void tcp_get_available_ulp(char *buf, size_t len); void tcp_cleanup_ulp(struct sock *sk); +void tcp_update_ulp(struct sock *sk, struct proto *p); #define MODULE_ALIAS_TCP_ULP(name) \ __MODULE_INFO(alias, alias_userspace, name); \ diff --git a/include/net/tls.h b/include/net/tls.h index 584609174fe0..41b2d41bb1b8 100644 --- a/include/net/tls.h +++ b/include/net/tls.h @@ -107,9 +107,7 @@ struct tls_device { enum { TLS_BASE, TLS_SW, -#ifdef CONFIG_TLS_DEVICE TLS_HW, -#endif TLS_HW_RECORD, TLS_NUM_CONFIG, }; @@ -162,6 +160,7 @@ struct tls_sw_context_tx { int async_capable; #define BIT_TX_SCHEDULED 0 +#define BIT_TX_CLOSING 1 unsigned long tx_bitmask; }; @@ -272,6 +271,8 @@ struct tls_context { unsigned long flags; /* cache cold stuff */ + struct proto *sk_proto; + void (*sk_destruct)(struct sock *sk); void (*sk_proto_close)(struct sock *sk, long timeout); @@ -355,13 +356,17 @@ int tls_sk_attach(struct sock *sk, int optname, char __user *optval, unsigned int optlen); int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx); +void tls_sw_strparser_arm(struct sock *sk, struct tls_context *ctx); +void tls_sw_strparser_done(struct tls_context *tls_ctx); int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size); int tls_sw_sendpage(struct sock *sk, struct page *page, int offset, size_t size, int flags); -void tls_sw_close(struct sock *sk, long timeout); -void tls_sw_free_resources_tx(struct sock *sk); +void tls_sw_cancel_work_tx(struct tls_context *tls_ctx); +void tls_sw_release_resources_tx(struct sock *sk); +void tls_sw_free_ctx_tx(struct tls_context *tls_ctx); void tls_sw_free_resources_rx(struct sock *sk); void tls_sw_release_resources_rx(struct sock *sk); +void tls_sw_free_ctx_rx(struct tls_context *tls_ctx); int tls_sw_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, int flags, int *addr_len); bool tls_sw_stream_read(const struct sock *sk); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index c5f8a9f17063..4f225175cb91 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2647,7 +2647,9 @@ struct ib_client { const union ib_gid *gid, const struct sockaddr *addr, void *client_data); - struct list_head list; + + refcount_t uses; + struct completion uses_zero; u32 client_id; /* kverbs are not required by the client */ diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index 0eeea520a853..e06c77d76463 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -608,7 +608,7 @@ static inline void rvt_qp_wqe_reserve( /** * rvt_qp_wqe_unreserve - clean reserved operation * @qp - the rvt qp - * @wqe - the send wqe + * @flags - send wqe flags * * This decrements the reserve use count. * @@ -620,11 +620,9 @@ static inline void rvt_qp_wqe_reserve( * the compiler does not juggle the order of the s_last * ring index and the decrementing of s_reserved_used. */ -static inline void rvt_qp_wqe_unreserve( - struct rvt_qp *qp, - struct rvt_swqe *wqe) +static inline void rvt_qp_wqe_unreserve(struct rvt_qp *qp, int flags) { - if (unlikely(wqe->wr.send_flags & RVT_SEND_RESERVE_USED)) { + if (unlikely(flags & RVT_SEND_RESERVE_USED)) { atomic_dec(&qp->s_reserved_used); /* insure no compiler re-order up to s_last change */ smp_mb__after_atomic(); @@ -853,6 +851,7 @@ rvt_qp_complete_swqe(struct rvt_qp *qp, u32 byte_len, last; int flags = wqe->wr.send_flags; + rvt_qp_wqe_unreserve(qp, flags); rvt_put_qp_swqe(qp, wqe); need_completion = diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index 2d64b53f947c..9b87e1a1c646 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -115,7 +115,7 @@ struct fc_disc_port { struct fc_lport *lp; struct list_head peers; struct work_struct rport_work; - u32 port_id; + u32 port_id; }; /** @@ -155,14 +155,14 @@ struct fc_rport_operations { */ struct fc_rport_libfc_priv { struct fc_lport *local_port; - enum fc_rport_state rp_state; + enum fc_rport_state rp_state; u16 flags; #define FC_RP_FLAGS_REC_SUPPORTED (1 << 0) #define FC_RP_FLAGS_RETRY (1 << 1) #define FC_RP_STARTED (1 << 2) #define FC_RP_FLAGS_CONF_REQ (1 << 3) - unsigned int e_d_tov; - unsigned int r_a_tov; + unsigned int e_d_tov; + unsigned int r_a_tov; }; /** @@ -191,24 +191,24 @@ struct fc_rport_priv { struct fc_lport *local_port; struct fc_rport *rport; struct kref kref; - enum fc_rport_state rp_state; + enum fc_rport_state rp_state; struct fc_rport_identifiers ids; u16 flags; - u16 max_seq; + u16 max_seq; u16 disc_id; u16 maxframe_size; - unsigned int retries; - unsigned int major_retries; - unsigned int e_d_tov; - unsigned int r_a_tov; - struct mutex rp_mutex; + unsigned int retries; + unsigned int major_retries; + unsigned int e_d_tov; + unsigned int r_a_tov; + struct mutex rp_mutex; struct delayed_work retry_work; - enum fc_rport_event event; + enum fc_rport_event event; struct fc_rport_operations *ops; - struct list_head peers; - struct work_struct event_work; + struct list_head peers; + struct work_struct event_work; u32 supported_classes; - u16 prli_count; + u16 prli_count; struct rcu_head rcu; u16 sp_features; u8 spp_type; @@ -618,12 +618,12 @@ struct libfc_function_template { * @disc_callback: Callback routine called when discovery completes */ struct fc_disc { - unsigned char retry_count; - unsigned char pending; - unsigned char requested; - unsigned short seq_count; - unsigned char buf_len; - u16 disc_id; + unsigned char retry_count; + unsigned char pending; + unsigned char requested; + unsigned short seq_count; + unsigned char buf_len; + u16 disc_id; struct list_head rports; void *priv; @@ -697,7 +697,7 @@ struct fc_lport { struct fc_rport_priv *ms_rdata; struct fc_rport_priv *ptp_rdata; void *scsi_priv; - struct fc_disc disc; + struct fc_disc disc; /* Virtual port information */ struct list_head vports; @@ -715,7 +715,7 @@ struct fc_lport { u8 retry_count; /* Fabric information */ - u32 port_id; + u32 port_id; u64 wwpn; u64 wwnn; unsigned int service_params; @@ -743,11 +743,11 @@ struct fc_lport { struct fc_ns_fts fcts; /* Miscellaneous */ - struct mutex lp_mutex; - struct list_head list; + struct mutex lp_mutex; + struct list_head list; struct delayed_work retry_work; void *prov[FC_FC4_PROV_SIZE]; - struct list_head lport_list; + struct list_head lport_list; }; /** diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h index dc14b52577f7..2568cb0627ec 100644 --- a/include/scsi/libfcoe.h +++ b/include/scsi/libfcoe.h @@ -229,6 +229,7 @@ struct fcoe_fcf { * @vn_mac: VN_Node assigned MAC address for data */ struct fcoe_rport { + struct fc_rport_priv rdata; unsigned long time; u16 fcoe_len; u16 flags; diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index 954563ee2277..985a5f583de4 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -141,6 +141,10 @@ inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv, { struct device *dev = simple_priv_to_dev(priv); + /* dai might be NULL */ + if (!dai) + return; + if (dai->name) dev_dbg(dev, "%s dai name = %s\n", name, dai->name); diff --git a/include/trace/events/dma_fence.h b/include/trace/events/dma_fence.h index 2212adda8f77..64e92d56c6a8 100644 --- a/include/trace/events/dma_fence.h +++ b/include/trace/events/dma_fence.h @@ -2,7 +2,7 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM dma_fence -#if !defined(_TRACE_FENCE_H) || defined(TRACE_HEADER_MULTI_READ) +#if !defined(_TRACE_DMA_FENCE_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_DMA_FENCE_H #include <linux/tracepoint.h> diff --git a/include/trace/events/napi.h b/include/trace/events/napi.h index f3a12566bed0..6678cf8b235b 100644 --- a/include/trace/events/napi.h +++ b/include/trace/events/napi.h @@ -3,7 +3,7 @@ #define TRACE_SYSTEM napi #if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_NAPI_H_ +#define _TRACE_NAPI_H #include <linux/netdevice.h> #include <linux/tracepoint.h> @@ -38,7 +38,7 @@ TRACE_EVENT(napi_poll, #undef NO_DEV -#endif /* _TRACE_NAPI_H_ */ +#endif /* _TRACE_NAPI_H */ /* This part must be outside protection */ #include <trace/define_trace.h> diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h index 60d0d8bd336d..0d1a9ebf55ba 100644 --- a/include/trace/events/qdisc.h +++ b/include/trace/events/qdisc.h @@ -2,7 +2,7 @@ #define TRACE_SYSTEM qdisc #if !defined(_TRACE_QDISC_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_QDISC_H_ +#define _TRACE_QDISC_H #include <linux/skbuff.h> #include <linux/netdevice.h> @@ -44,7 +44,7 @@ TRACE_EVENT(qdisc_dequeue, __entry->txq_state, __entry->packets, __entry->skbaddr ) ); -#endif /* _TRACE_QDISC_H_ */ +#endif /* _TRACE_QDISC_H */ /* This part must be outside protection */ #include <trace/define_trace.h> diff --git a/include/trace/events/tegra_apb_dma.h b/include/trace/events/tegra_apb_dma.h index 0818f6286110..971cd02d2daf 100644 --- a/include/trace/events/tegra_apb_dma.h +++ b/include/trace/events/tegra_apb_dma.h @@ -1,5 +1,5 @@ #if !defined(_TRACE_TEGRA_APB_DMA_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_TEGRA_APM_DMA_H +#define _TRACE_TEGRA_APB_DMA_H #include <linux/tracepoint.h> #include <linux/dmaengine.h> @@ -55,7 +55,7 @@ TRACE_EVENT(tegra_dma_isr, TP_printk("%s: irq %d\n", __get_str(chan), __entry->irq) ); -#endif /* _TRACE_TEGRADMA_H */ +#endif /* _TRACE_TEGRA_APB_DMA_H */ /* This part must be outside protection */ #include <trace/define_trace.h> diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 070d1bc7e725..20917c59f39c 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -410,21 +410,6 @@ struct kfd_ioctl_unmap_memory_from_gpu_args { __u32 n_success; /* to/from KFD */ }; -/* Allocate GWS for specific queue - * - * @gpu_id: device identifier - * @queue_id: queue's id that GWS is allocated for - * @num_gws: how many GWS to allocate - * @first_gws: index of the first GWS allocated. - * only support contiguous GWS allocation - */ -struct kfd_ioctl_alloc_queue_gws_args { - __u32 gpu_id; /* to KFD */ - __u32 queue_id; /* to KFD */ - __u32 num_gws; /* to KFD */ - __u32 first_gws; /* from KFD */ -}; - struct kfd_ioctl_get_dmabuf_info_args { __u64 size; /* from KFD */ __u64 metadata_ptr; /* to KFD */ @@ -544,10 +529,7 @@ enum kfd_mmio_remap { #define AMDKFD_IOC_IMPORT_DMABUF \ AMDKFD_IOWR(0x1D, struct kfd_ioctl_import_dmabuf_args) -#define AMDKFD_IOC_ALLOC_QUEUE_GWS \ - AMDKFD_IOWR(0x1E, struct kfd_ioctl_alloc_queue_gws_args) - #define AMDKFD_COMMAND_START 0x01 -#define AMDKFD_COMMAND_END 0x1F +#define AMDKFD_COMMAND_END 0x1E #endif diff --git a/include/uapi/linux/netfilter/xt_connlabel.h b/include/uapi/linux/netfilter/xt_connlabel.h index 2312f0ec07b2..323f0dfc2a4e 100644 --- a/include/uapi/linux/netfilter/xt_connlabel.h +++ b/include/uapi/linux/netfilter/xt_connlabel.h @@ -1,4 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ + +#ifndef _UAPI_XT_CONNLABEL_H +#define _UAPI_XT_CONNLABEL_H + #include <linux/types.h> #define XT_CONNLABEL_MAXBIT 127 @@ -11,3 +15,5 @@ struct xt_connlabel_mtinfo { __u16 bit; __u16 options; }; + +#endif /* _UAPI_XT_CONNLABEL_H */ diff --git a/include/uapi/linux/socket.h b/include/uapi/linux/socket.h index 8eb96021709c..c3409c8ec0dd 100644 --- a/include/uapi/linux/socket.h +++ b/include/uapi/linux/socket.h @@ -6,17 +6,24 @@ * Desired design of maximum size and alignment (see RFC2553) */ #define _K_SS_MAXSIZE 128 /* Implementation specific max size */ -#define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *)) - /* Implementation specific desired alignment */ typedef unsigned short __kernel_sa_family_t; +/* + * The definition uses anonymous union and struct in order to control the + * default alignment. + */ struct __kernel_sockaddr_storage { - __kernel_sa_family_t ss_family; /* address family */ - /* Following field(s) are implementation specific */ - char __data[_K_SS_MAXSIZE - sizeof(unsigned short)]; + union { + struct { + __kernel_sa_family_t ss_family; /* address family */ + /* Following field(s) are implementation specific */ + char __data[_K_SS_MAXSIZE - sizeof(unsigned short)]; /* space to achieve desired size, */ /* _SS_MAXSIZE value minus size of ss_family */ -} __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */ + }; + void *__align; /* implementation specific desired alignment */ + }; +}; #endif /* _UAPI_LINUX_SOCKET_H */ diff --git a/include/uapi/sound/sof/fw.h b/include/uapi/sound/sof/fw.h index 1afca973eb09..e9f697467a86 100644 --- a/include/uapi/sound/sof/fw.h +++ b/include/uapi/sound/sof/fw.h @@ -13,6 +13,8 @@ #ifndef __INCLUDE_UAPI_SOF_FW_H__ #define __INCLUDE_UAPI_SOF_FW_H__ +#include <linux/types.h> + #define SND_SOF_FW_SIG_SIZE 4 #define SND_SOF_FW_ABI 1 #define SND_SOF_FW_SIG "Reef" @@ -46,8 +48,8 @@ enum snd_sof_fw_blk_type { struct snd_sof_blk_hdr { enum snd_sof_fw_blk_type type; - uint32_t size; /* bytes minus this header */ - uint32_t offset; /* offset from base */ + __u32 size; /* bytes minus this header */ + __u32 offset; /* offset from base */ } __packed; /* @@ -61,8 +63,8 @@ enum snd_sof_fw_mod_type { struct snd_sof_mod_hdr { enum snd_sof_fw_mod_type type; - uint32_t size; /* bytes minus this header */ - uint32_t num_blocks; /* number of blocks */ + __u32 size; /* bytes minus this header */ + __u32 num_blocks; /* number of blocks */ } __packed; /* @@ -70,9 +72,9 @@ struct snd_sof_mod_hdr { */ struct snd_sof_fw_header { unsigned char sig[SND_SOF_FW_SIG_SIZE]; /* "Reef" */ - uint32_t file_size; /* size of file minus this header */ - uint32_t num_modules; /* number of modules */ - uint32_t abi; /* version of header format */ + __u32 file_size; /* size of file minus this header */ + __u32 num_modules; /* number of modules */ + __u32 abi; /* version of header format */ } __packed; #endif diff --git a/include/uapi/sound/sof/header.h b/include/uapi/sound/sof/header.h index 7868990b0d6f..5f4518e7a972 100644 --- a/include/uapi/sound/sof/header.h +++ b/include/uapi/sound/sof/header.h @@ -9,6 +9,8 @@ #ifndef __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__ #define __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__ +#include <linux/types.h> + /* * Header for all non IPC ABI data. * @@ -16,12 +18,12 @@ * Used by any bespoke component data structures or binary blobs. */ struct sof_abi_hdr { - uint32_t magic; /**< 'S', 'O', 'F', '\0' */ - uint32_t type; /**< component specific type */ - uint32_t size; /**< size in bytes of data excl. this struct */ - uint32_t abi; /**< SOF ABI version */ - uint32_t reserved[4]; /**< reserved for future use */ - uint32_t data[0]; /**< Component data - opaque to core */ + __u32 magic; /**< 'S', 'O', 'F', '\0' */ + __u32 type; /**< component specific type */ + __u32 size; /**< size in bytes of data excl. this struct */ + __u32 abi; /**< SOF ABI version */ + __u32 reserved[4]; /**< reserved for future use */ + __u32 data[0]; /**< Component data - opaque to core */ } __packed; #endif diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index 4969817124a8..98b30c1613b2 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -109,6 +109,9 @@ static inline int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma, } #endif +int xen_remap_vma_range(struct vm_area_struct *vma, unsigned long addr, + unsigned long len); + /* * xen_remap_domain_gfn_array() - map an array of foreign frames by gfn * @vma: VMA to map the pages into diff --git a/kernel/Makefile b/kernel/Makefile index a8d923b5481b..ef0d95a190b4 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -111,7 +111,6 @@ obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.o obj-$(CONFIG_TORTURE_TEST) += torture.o obj-$(CONFIG_HAS_IOMEM) += iomem.o -obj-$(CONFIG_ZONE_DEVICE) += memremap.o obj-$(CONFIG_RSEQ) += rseq.o obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 5900cbb966b1..c84d83f86141 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -8616,8 +8616,8 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env) } if (is_narrower_load && size < target_size) { - u8 shift = (off & (size_default - 1)) * 8; - + u8 shift = bpf_ctx_narrow_load_shift(off, size, + size_default); if (ctx_field_size <= 4) { if (shift) insn_buf[cnt++] = BPF_ALU32_IMM(BPF_RSH, diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c index bfc0c17f2a3d..2bd410f934b3 100644 --- a/kernel/dma/contiguous.c +++ b/kernel/dma/contiguous.c @@ -243,8 +243,9 @@ struct page *dma_alloc_contiguous(struct device *dev, size_t size, gfp_t gfp) /* CMA can be used only in the context which permits sleeping */ if (cma && gfpflags_allow_blocking(gfp)) { - align = min_t(size_t, align, CONFIG_CMA_ALIGNMENT); - page = cma_alloc(cma, count, align, gfp & __GFP_NOWARN); + size_t cma_align = min_t(size_t, align, CONFIG_CMA_ALIGNMENT); + + page = cma_alloc(cma, count, cma_align, gfp & __GFP_NOWARN); } /* Fallback allocation of normal pages */ @@ -266,7 +267,8 @@ struct page *dma_alloc_contiguous(struct device *dev, size_t size, gfp_t gfp) */ void dma_free_contiguous(struct device *dev, struct page *page, size_t size) { - if (!cma_release(dev_get_cma_area(dev), page, size >> PAGE_SHIFT)) + if (!cma_release(dev_get_cma_area(dev), page, + PAGE_ALIGN(size) >> PAGE_SHIFT)) __free_pages(page, get_order(size)); } diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 1f628e7ac709..b945239621d8 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -116,11 +116,16 @@ int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, int ret; if (!dev_is_dma_coherent(dev)) { + unsigned long pfn; + if (!IS_ENABLED(CONFIG_ARCH_HAS_DMA_COHERENT_TO_PFN)) return -ENXIO; - page = pfn_to_page(arch_dma_coherent_to_pfn(dev, cpu_addr, - dma_addr)); + /* If the PFN is not valid, we do not have a struct page */ + pfn = arch_dma_coherent_to_pfn(dev, cpu_addr, dma_addr); + if (!pfn_valid(pfn)) + return -ENXIO; + page = pfn_to_page(pfn); } else { page = virt_to_page(cpu_addr); } @@ -170,7 +175,11 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, if (!dev_is_dma_coherent(dev)) { if (!IS_ENABLED(CONFIG_ARCH_HAS_DMA_COHERENT_TO_PFN)) return -ENXIO; + + /* If the PFN is not valid, we do not have a struct page */ pfn = arch_dma_coherent_to_pfn(dev, cpu_addr, dma_addr); + if (!pfn_valid(pfn)) + return -ENXIO; } else { pfn = page_to_pfn(virt_to_page(cpu_addr)); } diff --git a/kernel/exit.c b/kernel/exit.c index 4436158a6d30..5b4a5dcce8f8 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -734,9 +734,10 @@ static void exit_notify(struct task_struct *tsk, int group_dead) autoreap = true; } - tsk->exit_state = autoreap ? EXIT_DEAD : EXIT_ZOMBIE; - if (tsk->exit_state == EXIT_DEAD) + if (autoreap) { + tsk->exit_state = EXIT_DEAD; list_add(&tsk->ptrace_entry, &dead); + } /* mt-exec, de_thread() is waiting for group leader */ if (unlikely(tsk->signal->notify_count < 0)) diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c index 4352b08ae48d..6fef48033f96 100644 --- a/kernel/irq/affinity.c +++ b/kernel/irq/affinity.c @@ -251,11 +251,9 @@ irq_create_affinity_masks(unsigned int nvecs, struct irq_affinity *affd) * Determine the number of vectors which need interrupt affinities * assigned. If the pre/post request exhausts the available vectors * then nothing to do here except for invoking the calc_sets() - * callback so the device driver can adjust to the situation. If there - * is only a single vector, then managing the queue is pointless as - * well. + * callback so the device driver can adjust to the situation. */ - if (nvecs > 1 && nvecs > affd->pre_vectors + affd->post_vectors) + if (nvecs > affd->pre_vectors + affd->post_vectors) affvecs = nvecs - affd->pre_vectors - affd->post_vectors; else affvecs = 0; diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index ef5b9f6b1d42..46122edd8552 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -2088,17 +2088,13 @@ retry: } deactivate_task(rq, next_task, 0); - sub_running_bw(&next_task->dl, &rq->dl); - sub_rq_bw(&next_task->dl, &rq->dl); set_task_cpu(next_task, later_rq->cpu); - add_rq_bw(&next_task->dl, &later_rq->dl); /* * Update the later_rq clock here, because the clock is used * by the cpufreq_update_util() inside __add_running_bw(). */ update_rq_clock(later_rq); - add_running_bw(&next_task->dl, &later_rq->dl); activate_task(later_rq, next_task, ENQUEUE_NOCLOCK); ret = 1; @@ -2186,11 +2182,7 @@ static void pull_dl_task(struct rq *this_rq) resched = true; deactivate_task(src_rq, p, 0); - sub_running_bw(&p->dl, &src_rq->dl); - sub_rq_bw(&p->dl, &src_rq->dl); set_task_cpu(p, this_cpu); - add_rq_bw(&p->dl, &this_rq->dl); - add_running_bw(&p->dl, &this_rq->dl); activate_task(this_rq, p, 0); dmin = p->dl.deadline; diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index 7acc632c3b82..23fbbcc414d5 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -1051,7 +1051,7 @@ struct psi_trigger *psi_trigger_create(struct psi_group *group, if (!rcu_access_pointer(group->poll_kworker)) { struct sched_param param = { - .sched_priority = MAX_RT_PRIO - 1, + .sched_priority = 1, }; struct kthread_worker *kworker; @@ -1061,7 +1061,7 @@ struct psi_trigger *psi_trigger_create(struct psi_group *group, mutex_unlock(&group->trigger_lock); return ERR_CAST(kworker); } - sched_setscheduler(kworker->task, SCHED_FIFO, ¶m); + sched_setscheduler_nocheck(kworker->task, SCHED_FIFO, ¶m); kthread_init_delayed_work(&group->poll_work, psi_poll_work); rcu_assign_pointer(group->poll_kworker, kworker); diff --git a/kernel/signal.c b/kernel/signal.c index 91b789dd6e72..e667be6907d7 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -349,7 +349,7 @@ void task_clear_jobctl_pending(struct task_struct *task, unsigned long mask) * @task has %JOBCTL_STOP_PENDING set and is participating in a group stop. * Group stop states are cleared and the group stop count is consumed if * %JOBCTL_STOP_CONSUME was set. If the consumption completes the group - * stop, the appropriate %SIGNAL_* flags are set. + * stop, the appropriate `SIGNAL_*` flags are set. * * CONTEXT: * Must be called with @task->sighand->siglock held. @@ -1885,6 +1885,7 @@ static void do_notify_pidfd(struct task_struct *task) { struct pid *pid; + WARN_ON(task->exit_state == 0); pid = task_pid(task); wake_up_all(&pid->wait_pidfd); } diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index 69ebf3c2f1b5..78af97163147 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -137,6 +137,13 @@ int trace_graph_entry(struct ftrace_graph_ent *trace) if (trace_recursion_test(TRACE_GRAPH_NOTRACE_BIT)) return 0; + /* + * Do not trace a function if it's filtered by set_graph_notrace. + * Make the index of ret stack negative to indicate that it should + * ignore further functions. But it needs its own ret stack entry + * to recover the original index in order to continue tracing after + * returning from the function. + */ if (ftrace_graph_notrace_addr(trace->func)) { trace_recursion_set(TRACE_GRAPH_NOTRACE_BIT); /* @@ -156,16 +163,6 @@ int trace_graph_entry(struct ftrace_graph_ent *trace) return 0; /* - * Do not trace a function if it's filtered by set_graph_notrace. - * Make the index of ret stack negative to indicate that it should - * ignore further functions. But it needs its own ret stack entry - * to recover the original index in order to continue tracing after - * returning from the function. - */ - if (ftrace_graph_notrace_addr(trace->func)) - return 1; - - /* * Stop here if tracing_threshold is set. We only write function return * events to the ring buffer. */ diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan index 4fafba1a923b..7fa97a8b5717 100644 --- a/lib/Kconfig.kasan +++ b/lib/Kconfig.kasan @@ -106,7 +106,6 @@ endchoice config KASAN_STACK_ENABLE bool "Enable stack instrumentation (unsafe)" if CC_IS_CLANG && !COMPILE_TEST - default !(CLANG_VERSION < 90000) depends on KASAN help The LLVM stack address sanitizer has a know problem that @@ -115,11 +114,11 @@ config KASAN_STACK_ENABLE Disabling asan-stack makes it safe to run kernels build with clang-8 with KASAN enabled, though it loses some of the functionality. - This feature is always disabled when compile-testing with clang-8 - or earlier to avoid cluttering the output in stack overflow - warnings, but clang-8 users can still enable it for builds without - CONFIG_COMPILE_TEST. On gcc and later clang versions it is - assumed to always be safe to use and enabled by default. + This feature is always disabled when compile-testing with clang + to avoid cluttering the output in stack overflow warnings, + but clang users can still enable it for builds without + CONFIG_COMPILE_TEST. On gcc it is assumed to always be safe + to use and enabled by default. config KASAN_STACK int diff --git a/lib/Makefile b/lib/Makefile index 095601ce371d..29c02a924973 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -279,7 +279,8 @@ obj-$(CONFIG_UCS2_STRING) += ucs2_string.o obj-$(CONFIG_UBSAN) += ubsan.o UBSAN_SANITIZE_ubsan.o := n -CFLAGS_ubsan.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector) +KASAN_SANITIZE_ubsan.o := n +CFLAGS_ubsan.o := $(call cc-option, -fno-stack-protector) $(DISABLE_STACKLEAK_PLUGIN) obj-$(CONFIG_SBITMAP) += sbitmap.o diff --git a/lib/dim/dim.c b/lib/dim/dim.c index 439d641ec796..38045d6d0538 100644 --- a/lib/dim/dim.c +++ b/lib/dim/dim.c @@ -74,8 +74,8 @@ void dim_calc_stats(struct dim_sample *start, struct dim_sample *end, delta_us); curr_stats->cpms = DIV_ROUND_UP(ncomps * USEC_PER_MSEC, delta_us); if (curr_stats->epms != 0) - curr_stats->cpe_ratio = - (curr_stats->cpms * 100) / curr_stats->epms; + curr_stats->cpe_ratio = DIV_ROUND_DOWN_ULL( + curr_stats->cpms * 100, curr_stats->epms); else curr_stats->cpe_ratio = 0; diff --git a/lib/dim/net_dim.c b/lib/dim/net_dim.c index 5bcc902c5388..a4db51c21266 100644 --- a/lib/dim/net_dim.c +++ b/lib/dim/net_dim.c @@ -5,6 +5,62 @@ #include <linux/dim.h> +/* + * Net DIM profiles: + * There are different set of profiles for each CQ period mode. + * There are different set of profiles for RX/TX CQs. + * Each profile size must be of NET_DIM_PARAMS_NUM_PROFILES + */ +#define NET_DIM_PARAMS_NUM_PROFILES 5 +#define NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE 256 +#define NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE 128 +#define NET_DIM_DEF_PROFILE_CQE 1 +#define NET_DIM_DEF_PROFILE_EQE 1 + +#define NET_DIM_RX_EQE_PROFILES { \ + {1, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {8, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {64, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {128, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {256, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ +} + +#define NET_DIM_RX_CQE_PROFILES { \ + {2, 256}, \ + {8, 128}, \ + {16, 64}, \ + {32, 64}, \ + {64, 64} \ +} + +#define NET_DIM_TX_EQE_PROFILES { \ + {1, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {8, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {32, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {64, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {128, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE} \ +} + +#define NET_DIM_TX_CQE_PROFILES { \ + {5, 128}, \ + {8, 64}, \ + {16, 32}, \ + {32, 32}, \ + {64, 32} \ +} + +static const struct dim_cq_moder +rx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = { + NET_DIM_RX_EQE_PROFILES, + NET_DIM_RX_CQE_PROFILES, +}; + +static const struct dim_cq_moder +tx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = { + NET_DIM_TX_EQE_PROFILES, + NET_DIM_TX_CQE_PROFILES, +}; + struct dim_cq_moder net_dim_get_rx_moderation(u8 cq_period_mode, int ix) { diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile index 42695bc8d451..0083b5cc646c 100644 --- a/lib/raid6/Makefile +++ b/lib/raid6/Makefile @@ -66,7 +66,7 @@ CFLAGS_vpermxor1.o += $(altivec_flags) CFLAGS_vpermxor2.o += $(altivec_flags) CFLAGS_vpermxor4.o += $(altivec_flags) CFLAGS_vpermxor8.o += $(altivec_flags) -targets += vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o +targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c $(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) diff --git a/lib/test_meminit.c b/lib/test_meminit.c index 62d19f270cad..9729f271d150 100644 --- a/lib/test_meminit.c +++ b/lib/test_meminit.c @@ -222,7 +222,7 @@ static int __init do_kmem_cache_size(size_t size, bool want_ctor, * Copy the buffer to check that it's not wiped on * free(). */ - buf_copy = kmalloc(size, GFP_KERNEL); + buf_copy = kmalloc(size, GFP_ATOMIC); if (buf_copy) memcpy(buf_copy, buf, size); diff --git a/lib/vdso/gettimeofday.c b/lib/vdso/gettimeofday.c index 2d1c1f241fd9..e630e7ff57f1 100644 --- a/lib/vdso/gettimeofday.c +++ b/lib/vdso/gettimeofday.c @@ -51,7 +51,7 @@ static int do_hres(const struct vdso_data *vd, clockid_t clk, ns = vdso_ts->nsec; last = vd->cycle_last; if (unlikely((s64)cycles < 0)) - return clock_gettime_fallback(clk, ts); + return -1; ns += vdso_calc_delta(cycles, last, vd->mask, vd->mult); ns >>= vd->shift; @@ -82,14 +82,14 @@ static void do_coarse(const struct vdso_data *vd, clockid_t clk, } static __maybe_unused int -__cvdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts) +__cvdso_clock_gettime_common(clockid_t clock, struct __kernel_timespec *ts) { const struct vdso_data *vd = __arch_get_vdso_data(); u32 msk; /* Check for negative values or invalid clocks */ if (unlikely((u32) clock >= MAX_CLOCKS)) - goto fallback; + return -1; /* * Convert the clockid to a bitmask and use it to check which @@ -104,9 +104,17 @@ __cvdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts) } else if (msk & VDSO_RAW) { return do_hres(&vd[CS_RAW], clock, ts); } + return -1; +} + +static __maybe_unused int +__cvdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts) +{ + int ret = __cvdso_clock_gettime_common(clock, ts); -fallback: - return clock_gettime_fallback(clock, ts); + if (unlikely(ret)) + return clock_gettime_fallback(clock, ts); + return 0; } static __maybe_unused int @@ -115,20 +123,21 @@ __cvdso_clock_gettime32(clockid_t clock, struct old_timespec32 *res) struct __kernel_timespec ts; int ret; - if (res == NULL) - goto fallback; + ret = __cvdso_clock_gettime_common(clock, &ts); - ret = __cvdso_clock_gettime(clock, &ts); +#ifdef VDSO_HAS_32BIT_FALLBACK + if (unlikely(ret)) + return clock_gettime32_fallback(clock, res); +#else + if (unlikely(ret)) + ret = clock_gettime_fallback(clock, &ts); +#endif - if (ret == 0) { + if (likely(!ret)) { res->tv_sec = ts.tv_sec; res->tv_nsec = ts.tv_nsec; } - return ret; - -fallback: - return clock_gettime_fallback(clock, (struct __kernel_timespec *)res); } static __maybe_unused int @@ -169,17 +178,18 @@ static __maybe_unused time_t __cvdso_time(time_t *time) #ifdef VDSO_HAS_CLOCK_GETRES static __maybe_unused -int __cvdso_clock_getres(clockid_t clock, struct __kernel_timespec *res) +int __cvdso_clock_getres_common(clockid_t clock, struct __kernel_timespec *res) { const struct vdso_data *vd = __arch_get_vdso_data(); - u64 ns; + u64 hrtimer_res; u32 msk; - u64 hrtimer_res = READ_ONCE(vd[CS_HRES_COARSE].hrtimer_res); + u64 ns; /* Check for negative values or invalid clocks */ if (unlikely((u32) clock >= MAX_CLOCKS)) - goto fallback; + return -1; + hrtimer_res = READ_ONCE(vd[CS_HRES_COARSE].hrtimer_res); /* * Convert the clockid to a bitmask and use it to check which * clocks are handled in the VDSO directly. @@ -201,18 +211,22 @@ int __cvdso_clock_getres(clockid_t clock, struct __kernel_timespec *res) */ ns = hrtimer_res; } else { - goto fallback; + return -1; } - if (res) { - res->tv_sec = 0; - res->tv_nsec = ns; - } + res->tv_sec = 0; + res->tv_nsec = ns; return 0; +} + +int __cvdso_clock_getres(clockid_t clock, struct __kernel_timespec *res) +{ + int ret = __cvdso_clock_getres_common(clock, res); -fallback: - return clock_getres_fallback(clock, res); + if (unlikely(ret)) + return clock_getres_fallback(clock, res); + return 0; } static __maybe_unused int @@ -221,19 +235,20 @@ __cvdso_clock_getres_time32(clockid_t clock, struct old_timespec32 *res) struct __kernel_timespec ts; int ret; - if (res == NULL) - goto fallback; + ret = __cvdso_clock_getres_common(clock, &ts); - ret = __cvdso_clock_getres(clock, &ts); +#ifdef VDSO_HAS_32BIT_FALLBACK + if (unlikely(ret)) + return clock_getres32_fallback(clock, res); +#else + if (unlikely(ret)) + ret = clock_getres_fallback(clock, &ts); +#endif - if (ret == 0) { + if (likely(!ret)) { res->tv_sec = ts.tv_sec; res->tv_nsec = ts.tv_nsec; } - return ret; - -fallback: - return clock_getres_fallback(clock, (struct __kernel_timespec *)res); } #endif /* VDSO_HAS_CLOCK_GETRES */ diff --git a/mm/Makefile b/mm/Makefile index 338e528ad436..d0b295c3b764 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -102,5 +102,6 @@ obj-$(CONFIG_FRAME_VECTOR) += frame_vector.o obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o +obj-$(CONFIG_ZONE_DEVICE) += memremap.o obj-$(CONFIG_HMM_MIRROR) += hmm.o obj-$(CONFIG_MEMFD_CREATE) += memfd.o diff --git a/mm/compaction.c b/mm/compaction.c index 9e1b9acb116b..952dc2fb24e5 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -842,13 +842,15 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn, /* * Periodically drop the lock (if held) regardless of its - * contention, to give chance to IRQs. Abort async compaction - * if contended. + * contention, to give chance to IRQs. Abort completely if + * a fatal signal is pending. */ if (!(low_pfn % SWAP_CLUSTER_MAX) && compact_unlock_should_abort(&pgdat->lru_lock, - flags, &locked, cc)) - break; + flags, &locked, cc)) { + low_pfn = 0; + goto fatal_pending; + } if (!pfn_valid_within(low_pfn)) goto isolate_fail; @@ -1060,6 +1062,7 @@ isolate_abort: trace_mm_compaction_isolate_migratepages(start_pfn, low_pfn, nr_scanned, nr_isolated); +fatal_pending: cc->total_migrate_scanned += nr_scanned; if (nr_isolated) count_compact_events(COMPACTISOLATED, nr_isolated); @@ -946,7 +946,7 @@ EXPORT_SYMBOL(hmm_range_unregister); * @range: range * Return: -EINVAL if invalid argument, -ENOMEM out of memory, -EPERM invalid * permission (for instance asking for write and range is read only), - * -EAGAIN if you need to retry, -EFAULT invalid (ie either no valid + * -EBUSY if you need to retry, -EFAULT invalid (ie either no valid * vma or it is illegal to access that range), number of valid pages * in range->pfns[] (from range start address). * @@ -967,7 +967,7 @@ long hmm_range_snapshot(struct hmm_range *range) do { /* If range is no longer valid force retry. */ if (!range->valid) - return -EAGAIN; + return -EBUSY; vma = find_vma(hmm->mm, start); if (vma == NULL || (vma->vm_flags & device_vma)) @@ -1062,10 +1062,8 @@ long hmm_range_fault(struct hmm_range *range, bool block) do { /* If range is no longer valid force retry. */ - if (!range->valid) { - up_read(&hmm->mm->mmap_sem); - return -EAGAIN; - } + if (!range->valid) + return -EBUSY; vma = find_vma(hmm->mm, start); if (vma == NULL || (vma->vm_flags & device_vma)) diff --git a/mm/kmemleak.c b/mm/kmemleak.c index dbbd518fb6b3..6e9e8cca663e 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -114,7 +114,7 @@ /* GFP bitmask for kmemleak internal allocations */ #define gfp_kmemleak_mask(gfp) (((gfp) & (GFP_KERNEL | GFP_ATOMIC)) | \ __GFP_NORETRY | __GFP_NOMEMALLOC | \ - __GFP_NOWARN | __GFP_NOFAIL) + __GFP_NOWARN) /* scanning area inside a memory block */ struct kmemleak_scan_area { diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 2a9bbddb0e55..c73f09913165 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -132,7 +132,6 @@ static void release_memory_resource(struct resource *res) return; release_resource(res); kfree(res); - return; } #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE @@ -979,7 +978,6 @@ static void rollback_node_hotadd(int nid) arch_refresh_nodedata(nid, NULL); free_percpu(pgdat->per_cpu_nodestats); arch_free_nodedata(pgdat); - return; } diff --git a/kernel/memremap.c b/mm/memremap.c index 6ee03a816d67..6ee03a816d67 100644 --- a/kernel/memremap.c +++ b/mm/memremap.c diff --git a/mm/migrate.c b/mm/migrate.c index 8992741f10aa..a42858d8e00b 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -767,12 +767,12 @@ recheck_buffers: } bh = bh->b_this_page; } while (bh != head); - spin_unlock(&mapping->private_lock); if (busy) { if (invalidated) { rc = -EAGAIN; goto unlock_buffers; } + spin_unlock(&mapping->private_lock); invalidate_bh_lrus(); invalidated = true; goto recheck_buffers; @@ -805,6 +805,8 @@ recheck_buffers: rc = MIGRATEPAGE_SUCCESS; unlock_buffers: + if (check_refs) + spin_unlock(&mapping->private_lock); bh = head; do { unlock_buffer(bh); @@ -2338,16 +2340,13 @@ next: static void migrate_vma_collect(struct migrate_vma *migrate) { struct mmu_notifier_range range; - struct mm_walk mm_walk; - - mm_walk.pmd_entry = migrate_vma_collect_pmd; - mm_walk.pte_entry = NULL; - mm_walk.pte_hole = migrate_vma_collect_hole; - mm_walk.hugetlb_entry = NULL; - mm_walk.test_walk = NULL; - mm_walk.vma = migrate->vma; - mm_walk.mm = migrate->vma->vm_mm; - mm_walk.private = migrate; + struct mm_walk mm_walk = { + .pmd_entry = migrate_vma_collect_pmd, + .pte_hole = migrate_vma_collect_hole, + .vma = migrate->vma, + .mm = migrate->vma->vm_mm, + .private = migrate, + }; mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, NULL, mm_walk.mm, migrate->start, diff --git a/mm/slub.c b/mm/slub.c index e6c030e47364..8834563cdb4b 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1432,7 +1432,9 @@ static inline bool slab_free_freelist_hook(struct kmem_cache *s, void *old_tail = *tail ? *tail : *head; int rsize; - if (slab_want_init_on_free(s)) + if (slab_want_init_on_free(s)) { + void *p = NULL; + do { object = next; next = get_freepointer(s, object); @@ -1445,8 +1447,10 @@ static inline bool slab_free_freelist_hook(struct kmem_cache *s, : 0; memset((char *)object + s->inuse, 0, s->size - s->inuse - rsize); - set_freepointer(s, object, next); + set_freepointer(s, object, p); + p = object; } while (object != old_tail); + } /* * Compiler cannot detect this function can be removed if slab_free_hook() diff --git a/mm/vmscan.c b/mm/vmscan.c index 44df66a98f2a..dbdc46a84f63 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -699,7 +699,14 @@ static unsigned long shrink_slab(gfp_t gfp_mask, int nid, unsigned long ret, freed = 0; struct shrinker *shrinker; - if (!mem_cgroup_is_root(memcg)) + /* + * The root memcg might be allocated even though memcg is disabled + * via "cgroup_disable=memory" boot parameter. This could make + * mem_cgroup_is_root() return false, then just run memcg slab + * shrink, but skip global shrink. This may result in premature + * oom. + */ + if (!mem_cgroup_disabled() && !mem_cgroup_is_root(memcg)) return shrink_slab_memcg(gfp_mask, nid, memcg, priority); if (!down_read_trylock(&shrinker_rwsem)) diff --git a/net/bridge/br.c b/net/bridge/br.c index d164f63a4345..8a8f9e5f264f 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -37,12 +37,15 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v int err; if (dev->priv_flags & IFF_EBRIDGE) { + err = br_vlan_bridge_event(dev, event, ptr); + if (err) + return notifier_from_errno(err); + if (event == NETDEV_REGISTER) { /* register of bridge completed, add sysfs entries */ br_sysfs_addbr(dev); return NOTIFY_DONE; } - br_vlan_bridge_event(dev, event, ptr); } /* not a port of a bridge */ diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 3d8deac2353d..f8cac3702712 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1388,6 +1388,9 @@ br_multicast_leave_group(struct net_bridge *br, if (!br_port_group_equal(p, port, src)) continue; + if (p->flags & MDB_PG_FLAGS_PERMANENT) + break; + rcu_assign_pointer(*pp, p->next); hlist_del_init(&p->mglist); del_timer(&p->timer); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index e8cf03b43b7d..646504db0220 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -894,8 +894,8 @@ int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); void br_vlan_get_stats(const struct net_bridge_vlan *v, struct br_vlan_stats *stats); void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); -void br_vlan_bridge_event(struct net_device *dev, unsigned long event, - void *ptr); +int br_vlan_bridge_event(struct net_device *dev, unsigned long event, + void *ptr); static inline struct net_bridge_vlan_group *br_vlan_group( const struct net_bridge *br) @@ -1085,9 +1085,10 @@ static inline void br_vlan_port_event(struct net_bridge_port *p, { } -static inline void br_vlan_bridge_event(struct net_device *dev, - unsigned long event, void *ptr) +static inline int br_vlan_bridge_event(struct net_device *dev, + unsigned long event, void *ptr) { + return 0; } #endif diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 021cc9f66804..f5b2aeebbfe9 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -1053,7 +1053,6 @@ int br_vlan_init(struct net_bridge *br) { struct net_bridge_vlan_group *vg; int ret = -ENOMEM; - bool changed; vg = kzalloc(sizeof(*vg), GFP_KERNEL); if (!vg) @@ -1068,17 +1067,10 @@ int br_vlan_init(struct net_bridge *br) br->vlan_proto = htons(ETH_P_8021Q); br->default_pvid = 1; rcu_assign_pointer(br->vlgrp, vg); - ret = br_vlan_add(br, 1, - BRIDGE_VLAN_INFO_PVID | BRIDGE_VLAN_INFO_UNTAGGED | - BRIDGE_VLAN_INFO_BRENTRY, &changed, NULL); - if (ret) - goto err_vlan_add; out: return ret; -err_vlan_add: - vlan_tunnel_deinit(vg); err_tunnel_init: rhashtable_destroy(&vg->vlan_hash); err_rhtbl: @@ -1464,13 +1456,23 @@ static void nbp_vlan_set_vlan_dev_state(struct net_bridge_port *p, u16 vid) } /* Must be protected by RTNL. */ -void br_vlan_bridge_event(struct net_device *dev, unsigned long event, - void *ptr) +int br_vlan_bridge_event(struct net_device *dev, unsigned long event, void *ptr) { struct netdev_notifier_changeupper_info *info; - struct net_bridge *br; + struct net_bridge *br = netdev_priv(dev); + bool changed; + int ret = 0; switch (event) { + case NETDEV_REGISTER: + ret = br_vlan_add(br, br->default_pvid, + BRIDGE_VLAN_INFO_PVID | + BRIDGE_VLAN_INFO_UNTAGGED | + BRIDGE_VLAN_INFO_BRENTRY, &changed, NULL); + break; + case NETDEV_UNREGISTER: + br_vlan_delete(br, br->default_pvid); + break; case NETDEV_CHANGEUPPER: info = ptr; br_vlan_upper_change(dev, info->upper_dev, info->linking); @@ -1478,12 +1480,13 @@ void br_vlan_bridge_event(struct net_device *dev, unsigned long event, case NETDEV_CHANGE: case NETDEV_UP: - br = netdev_priv(dev); if (!br_opt_get(br, BROPT_VLAN_BRIDGE_BINDING)) - return; + break; br_vlan_link_state_change(dev, br); break; } + + return ret; } /* Must be protected by RTNL. */ diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 963dfdc14827..c8177a89f52c 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1770,20 +1770,28 @@ static int compat_calc_entry(const struct ebt_entry *e, return 0; } +static int ebt_compat_init_offsets(unsigned int number) +{ + if (number > INT_MAX) + return -EINVAL; + + /* also count the base chain policies */ + number += NF_BR_NUMHOOKS; + + return xt_compat_init_offsets(NFPROTO_BRIDGE, number); +} static int compat_table_info(const struct ebt_table_info *info, struct compat_ebt_replace *newinfo) { unsigned int size = info->entries_size; const void *entries = info->entries; + int ret; newinfo->entries_size = size; - if (info->nentries) { - int ret = xt_compat_init_offsets(NFPROTO_BRIDGE, - info->nentries); - if (ret) - return ret; - } + ret = ebt_compat_init_offsets(info->nentries); + if (ret) + return ret; return EBT_ENTRY_ITERATE(entries, size, compat_calc_entry, info, entries, newinfo); @@ -2234,11 +2242,9 @@ static int compat_do_replace(struct net *net, void __user *user, xt_compat_lock(NFPROTO_BRIDGE); - if (tmp.nentries) { - ret = xt_compat_init_offsets(NFPROTO_BRIDGE, tmp.nentries); - if (ret < 0) - goto out_unlock; - } + ret = ebt_compat_init_offsets(tmp.nentries); + if (ret < 0) + goto out_unlock; ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state); if (ret < 0) @@ -2261,8 +2267,10 @@ static int compat_do_replace(struct net *net, void __user *user, state.buf_kern_len = size64; ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state); - if (WARN_ON(ret < 0)) + if (WARN_ON(ret < 0)) { + vfree(entries_tmp); goto out_unlock; + } vfree(entries_tmp); tmp.entries_size = size64; diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c index bed66f536b34..1804e867f715 100644 --- a/net/bridge/netfilter/nft_meta_bridge.c +++ b/net/bridge/netfilter/nft_meta_bridge.c @@ -30,13 +30,9 @@ static void nft_meta_bridge_get_eval(const struct nft_expr *expr, switch (priv->key) { case NFT_META_BRI_IIFNAME: br_dev = nft_meta_get_bridge(in); - if (!br_dev) - goto err; break; case NFT_META_BRI_OIFNAME: br_dev = nft_meta_get_bridge(out); - if (!br_dev) - goto err; break; case NFT_META_BRI_IIFPVID: { u16 p_pvid; @@ -61,13 +57,11 @@ static void nft_meta_bridge_get_eval(const struct nft_expr *expr, return; } default: - goto out; + return nft_meta_get_eval(expr, regs, pkt); } - strncpy((char *)dest, br_dev->name, IFNAMSIZ); + strncpy((char *)dest, br_dev ? br_dev->name : "", IFNAMSIZ); return; -out: - return nft_meta_get_eval(expr, regs, pkt); err: regs->verdict.code = NFT_BREAK; } diff --git a/net/can/gw.c b/net/can/gw.c index 5275ddf580bc..72711053ebe6 100644 --- a/net/can/gw.c +++ b/net/can/gw.c @@ -1046,32 +1046,50 @@ static __init int cgw_module_init(void) pr_info("can: netlink gateway (rev " CAN_GW_VERSION ") max_hops=%d\n", max_hops); - register_pernet_subsys(&cangw_pernet_ops); + ret = register_pernet_subsys(&cangw_pernet_ops); + if (ret) + return ret; + + ret = -ENOMEM; cgw_cache = kmem_cache_create("can_gw", sizeof(struct cgw_job), 0, 0, NULL); - if (!cgw_cache) - return -ENOMEM; + goto out_cache_create; /* set notifier */ notifier.notifier_call = cgw_notifier; - register_netdevice_notifier(¬ifier); + ret = register_netdevice_notifier(¬ifier); + if (ret) + goto out_register_notifier; ret = rtnl_register_module(THIS_MODULE, PF_CAN, RTM_GETROUTE, NULL, cgw_dump_jobs, 0); - if (ret) { - unregister_netdevice_notifier(¬ifier); - kmem_cache_destroy(cgw_cache); - return -ENOBUFS; - } - - /* Only the first call to rtnl_register_module can fail */ - rtnl_register_module(THIS_MODULE, PF_CAN, RTM_NEWROUTE, - cgw_create_job, NULL, 0); - rtnl_register_module(THIS_MODULE, PF_CAN, RTM_DELROUTE, - cgw_remove_job, NULL, 0); + if (ret) + goto out_rtnl_register1; + + ret = rtnl_register_module(THIS_MODULE, PF_CAN, RTM_NEWROUTE, + cgw_create_job, NULL, 0); + if (ret) + goto out_rtnl_register2; + ret = rtnl_register_module(THIS_MODULE, PF_CAN, RTM_DELROUTE, + cgw_remove_job, NULL, 0); + if (ret) + goto out_rtnl_register3; return 0; + +out_rtnl_register3: + rtnl_unregister(PF_CAN, RTM_NEWROUTE); +out_rtnl_register2: + rtnl_unregister(PF_CAN, RTM_GETROUTE); +out_rtnl_register1: + unregister_netdevice_notifier(¬ifier); +out_register_notifier: + kmem_cache_destroy(cgw_cache); +out_cache_create: + unregister_pernet_subsys(&cangw_pernet_ops); + + return ret; } static __exit void cgw_module_exit(void) diff --git a/net/core/dev.c b/net/core/dev.c index fc676b2610e3..0891f499c1bb 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4374,12 +4374,17 @@ static u32 netif_receive_generic_xdp(struct sk_buff *skb, act = bpf_prog_run_xdp(xdp_prog, xdp); + /* check if bpf_xdp_adjust_head was used */ off = xdp->data - orig_data; - if (off > 0) - __skb_pull(skb, off); - else if (off < 0) - __skb_push(skb, -off); - skb->mac_header += off; + if (off) { + if (off > 0) + __skb_pull(skb, off); + else if (off < 0) + __skb_push(skb, -off); + + skb->mac_header += off; + skb_reset_network_header(skb); + } /* check if bpf_xdp_adjust_tail was used. it can only "shrink" * pckt. @@ -9701,6 +9706,8 @@ static void __net_exit default_device_exit(struct net *net) /* Push remaining network devices to init_net */ snprintf(fb_name, IFNAMSIZ, "dev%d", dev->ifindex); + if (__dev_get_by_name(&init_net, fb_name)) + snprintf(fb_name, IFNAMSIZ, "dev%%d"); err = dev_change_net_namespace(dev, &init_net, fb_name); if (err) { pr_emerg("%s: failed to move %s to init_net: %d\n", diff --git a/net/core/filter.c b/net/core/filter.c index 4e2a79b2fd77..7878f918b8c0 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -7455,12 +7455,12 @@ static u32 bpf_convert_ctx_access(enum bpf_access_type type, case offsetof(struct __sk_buff, gso_segs): /* si->dst_reg = skb_shinfo(SKB); */ #ifdef NET_SKBUFF_DATA_USES_OFFSET - *insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(struct sk_buff, head), - si->dst_reg, si->src_reg, - offsetof(struct sk_buff, head)); *insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(struct sk_buff, end), BPF_REG_AX, si->src_reg, offsetof(struct sk_buff, end)); + *insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(struct sk_buff, head), + si->dst_reg, si->src_reg, + offsetof(struct sk_buff, head)); *insn++ = BPF_ALU64_REG(BPF_ADD, si->dst_reg, BPF_REG_AX); #else *insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(struct sk_buff, end), diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 93bffaad2135..6832eeb4b785 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -585,12 +585,12 @@ EXPORT_SYMBOL_GPL(sk_psock_destroy); void sk_psock_drop(struct sock *sk, struct sk_psock *psock) { - rcu_assign_sk_user_data(sk, NULL); sk_psock_cork_free(psock); sk_psock_zap_ingress(psock); - sk_psock_restore_proto(sk, psock); write_lock_bh(&sk->sk_callback_lock); + sk_psock_restore_proto(sk, psock); + rcu_assign_sk_user_data(sk, NULL); if (psock->progs.skb_parser) sk_psock_stop_strp(sk, psock); write_unlock_bh(&sk->sk_callback_lock); diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 52d4faeee18b..1330a7442e5b 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -247,6 +247,8 @@ static void sock_map_free(struct bpf_map *map) raw_spin_unlock_bh(&stab->lock); rcu_read_unlock(); + synchronize_rcu(); + bpf_map_area_free(stab->sks); kfree(stab); } @@ -276,16 +278,20 @@ static int __sock_map_delete(struct bpf_stab *stab, struct sock *sk_test, struct sock **psk) { struct sock *sk; + int err = 0; raw_spin_lock_bh(&stab->lock); sk = *psk; if (!sk_test || sk_test == sk) - *psk = NULL; + sk = xchg(psk, NULL); + + if (likely(sk)) + sock_map_unref(sk, psk); + else + err = -EINVAL; + raw_spin_unlock_bh(&stab->lock); - if (unlikely(!sk)) - return -EINVAL; - sock_map_unref(sk, psk); - return 0; + return err; } static void sock_map_delete_from_link(struct bpf_map *map, struct sock *sk, @@ -328,6 +334,7 @@ static int sock_map_update_common(struct bpf_map *map, u32 idx, struct sock *sk, u64 flags) { struct bpf_stab *stab = container_of(map, struct bpf_stab, map); + struct inet_connection_sock *icsk = inet_csk(sk); struct sk_psock_link *link; struct sk_psock *psock; struct sock *osk; @@ -338,6 +345,8 @@ static int sock_map_update_common(struct bpf_map *map, u32 idx, return -EINVAL; if (unlikely(idx >= map->max_entries)) return -E2BIG; + if (unlikely(icsk->icsk_ulp_data)) + return -EINVAL; link = sk_psock_init_link(); if (!link) diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c index 26363d72d25b..47ee88163a9d 100644 --- a/net/dsa/tag_sja1105.c +++ b/net/dsa/tag_sja1105.c @@ -165,6 +165,7 @@ static struct sk_buff "Expected meta frame, is %12llx " "in the DSA master multicast filter?\n", SJA1105_META_DMAC); + kfree_skb(sp->data->stampable_skb); } /* Hold a reference to avoid dsa_switch_rcv @@ -211,17 +212,8 @@ static struct sk_buff * for further processing up the network stack. */ kfree_skb(skb); - - skb = skb_copy(stampable_skb, GFP_ATOMIC); - if (!skb) { - dev_err_ratelimited(dp->ds->dev, - "Failed to copy stampable skb\n"); - spin_unlock(&sp->data->meta_lock); - return NULL; - } + skb = stampable_skb; sja1105_transfer_meta(skb, meta); - /* The cached copy will be freed now */ - skb_unref(stampable_skb); spin_unlock(&sp->data->meta_lock); } diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index d666756be5f1..a999451345f9 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -331,7 +331,7 @@ struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key) prev = rhashtable_lookup(&fqdir->rhashtable, key, fqdir->f->rhash_params); if (!prev) fq = inet_frag_create(fqdir, key, &prev); - if (prev && !IS_ERR(prev)) { + if (!IS_ERR_OR_NULL(prev)) { fq = prev; if (!refcount_inc_not_zero(&fq->refcnt)) fq = NULL; diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 43adfc1641ba..2f01cf6fa0de 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -275,6 +275,9 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, const struct iphdr *tiph = &tunnel->parms.iph; u8 ipproto; + if (!pskb_inet_may_pull(skb)) + goto tx_error; + switch (skb->protocol) { case htons(ETH_P_IP): ipproto = IPPROTO_IPIP; diff --git a/net/ipv4/tcp_ulp.c b/net/ipv4/tcp_ulp.c index 3d8a1d835471..4849edb62d52 100644 --- a/net/ipv4/tcp_ulp.c +++ b/net/ipv4/tcp_ulp.c @@ -96,6 +96,19 @@ void tcp_get_available_ulp(char *buf, size_t maxlen) rcu_read_unlock(); } +void tcp_update_ulp(struct sock *sk, struct proto *proto) +{ + struct inet_connection_sock *icsk = inet_csk(sk); + + if (!icsk->icsk_ulp_ops) { + sk->sk_prot = proto; + return; + } + + if (icsk->icsk_ulp_ops->update) + icsk->icsk_ulp_ops->update(sk, proto); +} + void tcp_cleanup_ulp(struct sock *sk) { struct inet_connection_sock *icsk = inet_csk(sk); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index c2049c72f3e5..dd2d0b963260 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -660,12 +660,13 @@ static int prepare_ip6gre_xmit_ipv6(struct sk_buff *skb, struct flowi6 *fl6, __u8 *dsfield, int *encap_limit) { - struct ipv6hdr *ipv6h = ipv6_hdr(skb); + struct ipv6hdr *ipv6h; struct ip6_tnl *t = netdev_priv(dev); __u16 offset; offset = ip6_tnl_parse_tlv_enc_lim(skb, skb_network_header(skb)); /* ip6_tnl_parse_tlv_enc_lim() might have reallocated skb->head */ + ipv6h = ipv6_hdr(skb); if (offset > 0) { struct ipv6_tlv_tnl_enc_lim *tel; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 3134fbb65d7f..754a484d35df 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1278,12 +1278,11 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) } fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL); + dsfield = INET_ECN_encapsulate(dsfield, ipv4_get_dsfield(iph)); if (iptunnel_handle_offloads(skb, SKB_GSO_IPXIP6)) return -1; - dsfield = INET_ECN_encapsulate(dsfield, ipv4_get_dsfield(iph)); - skb_set_inner_ipproto(skb, IPPROTO_IPIP); err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu, @@ -1367,12 +1366,11 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) } fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL); + dsfield = INET_ECN_encapsulate(dsfield, ipv6_get_dsfield(ipv6h)); if (iptunnel_handle_offloads(skb, SKB_GSO_IPXIP6)) return -1; - dsfield = INET_ECN_encapsulate(dsfield, ipv6_get_dsfield(ipv6h)); - skb_set_inner_ipproto(skb, IPPROTO_IPV6); err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu, diff --git a/net/ipv6/route.c b/net/ipv6/route.c index e49fec767a10..fd059e08785a 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1951,7 +1951,7 @@ static void rt6_update_exception_stamp_rt(struct rt6_info *rt) nexthop_for_each_fib6_nh(from->nh, fib6_nh_find_match, &arg); if (!arg.match) - return; + goto unlock; fib6_nh = arg.match; } else { fib6_nh = from->fib6_nh; diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 09e1694b6d34..ebb62a4ebe30 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -512,7 +512,9 @@ static void iucv_sock_close(struct sock *sk) sk->sk_state = IUCV_DISCONN; sk->sk_state_change(sk); } - case IUCV_DISCONN: /* fall through */ + /* fall through */ + + case IUCV_DISCONN: sk->sk_state = IUCV_CLOSING; sk->sk_state_change(sk); @@ -525,8 +527,9 @@ static void iucv_sock_close(struct sock *sk) iucv_sock_in_state(sk, IUCV_CLOSED, 0), timeo); } + /* fall through */ - case IUCV_CLOSING: /* fall through */ + case IUCV_CLOSING: sk->sk_state = IUCV_CLOSED; sk->sk_state_change(sk); @@ -535,8 +538,9 @@ static void iucv_sock_close(struct sock *sk) skb_queue_purge(&iucv->send_skb_q); skb_queue_purge(&iucv->backlog_skb_q); + /* fall through */ - default: /* fall through */ + default: iucv_sever_path(sk, 1); } @@ -2247,10 +2251,10 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev, kfree_skb(skb); break; } - /* fall through and receive non-zero length data */ + /* fall through - and receive non-zero length data */ case (AF_IUCV_FLAG_SHT): /* shutdown request */ - /* fall through and receive zero length data */ + /* fall through - and receive zero length data */ case 0: /* plain data frame */ IUCV_SKB_CB(skb)->class = trans_hdr->iucv_hdr.class; diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 1d0e5904dedf..c54cb59593ef 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -1681,6 +1681,9 @@ static const struct proto_ops pppol2tp_ops = { .recvmsg = pppol2tp_recvmsg, .mmap = sock_no_mmap, .ioctl = pppox_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = pppox_compat_ioctl, +#endif }; static const struct pppox_proto pppol2tp_proto = { diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 06aac0aaae64..8dc6580e1787 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1222,7 +1222,6 @@ static void ieee80211_if_setup(struct net_device *dev) static void ieee80211_if_setup_no_queue(struct net_device *dev) { ieee80211_if_setup(dev); - dev->features |= NETIF_F_LLTX; dev->priv_flags |= IFF_NO_QUEUE; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index a99ad0325309..4c888dc9bd81 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2042,6 +2042,16 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local, ieee80211_regulatory_limit_wmm_params(sdata, ¶ms[ac], ac); } + /* WMM specification requires all 4 ACIs. */ + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { + if (params[ac].cw_min == 0) { + sdata_info(sdata, + "AP has invalid WMM params (missing AC %d), using defaults\n", + ac); + return false; + } + } + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { mlme_dbg(sdata, "WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n", diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 1b224fa27367..ad1e58184c4e 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -3796,9 +3796,7 @@ int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, } /* Always allow software iftypes */ - if (local->hw.wiphy->software_iftypes & BIT(iftype) || - (iftype == NL80211_IFTYPE_AP_VLAN && - local->hw.wiphy->flags & WIPHY_FLAG_4ADDR_AP)) { + if (cfg80211_iftype_allowed(local->hw.wiphy, iftype, 0, 1)) { if (radar_detect) return -EINVAL; return 0; @@ -3833,7 +3831,8 @@ int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, if (sdata_iter == sdata || !ieee80211_sdata_running(sdata_iter) || - local->hw.wiphy->software_iftypes & BIT(wdev_iter->iftype)) + cfg80211_iftype_allowed(local->hw.wiphy, + wdev_iter->iftype, 0, 1)) continue; params.iftype_num[wdev_iter->iftype]++; diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c index ca7ac4a25ada..1d4e63326e68 100644 --- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c +++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c @@ -226,7 +226,7 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb, e.id = ip_to_id(map, ip); - if (opt->flags & IPSET_DIM_ONE_SRC) + if (opt->flags & IPSET_DIM_TWO_SRC) ether_addr_copy(e.ether, eth_hdr(skb)->h_source); else ether_addr_copy(e.ether, eth_hdr(skb)->h_dest); diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 2e151856ad99..e64d5f9a89dd 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -1161,7 +1161,7 @@ static int ip_set_rename(struct net *net, struct sock *ctnl, return -ENOENT; write_lock_bh(&ip_set_ref_lock); - if (set->ref != 0) { + if (set->ref != 0 || set->ref_netlink != 0) { ret = -IPSET_ERR_REFERENCED; goto out; } diff --git a/net/netfilter/ipset/ip_set_hash_ipmac.c b/net/netfilter/ipset/ip_set_hash_ipmac.c index faf59b6a998f..24d8f4df4230 100644 --- a/net/netfilter/ipset/ip_set_hash_ipmac.c +++ b/net/netfilter/ipset/ip_set_hash_ipmac.c @@ -89,15 +89,11 @@ hash_ipmac4_kadt(struct ip_set *set, const struct sk_buff *skb, struct hash_ipmac4_elem e = { .ip = 0, { .foo[0] = 0, .foo[1] = 0 } }; struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); - /* MAC can be src only */ - if (!(opt->flags & IPSET_DIM_TWO_SRC)) - return 0; - if (skb_mac_header(skb) < skb->head || (skb_mac_header(skb) + ETH_HLEN) > skb->data) return -EINVAL; - if (opt->flags & IPSET_DIM_ONE_SRC) + if (opt->flags & IPSET_DIM_TWO_SRC) ether_addr_copy(e.ether, eth_hdr(skb)->h_source); else ether_addr_copy(e.ether, eth_hdr(skb)->h_dest); diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index f1b1d948c07b..f69afb9ff3cb 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -60,24 +60,16 @@ void nft_meta_get_eval(const struct nft_expr *expr, *dest = skb->mark; break; case NFT_META_IIF: - if (in == NULL) - goto err; - *dest = in->ifindex; + *dest = in ? in->ifindex : 0; break; case NFT_META_OIF: - if (out == NULL) - goto err; - *dest = out->ifindex; + *dest = out ? out->ifindex : 0; break; case NFT_META_IIFNAME: - if (in == NULL) - goto err; - strncpy((char *)dest, in->name, IFNAMSIZ); + strncpy((char *)dest, in ? in->name : "", IFNAMSIZ); break; case NFT_META_OIFNAME: - if (out == NULL) - goto err; - strncpy((char *)dest, out->name, IFNAMSIZ); + strncpy((char *)dest, out ? out->name : "", IFNAMSIZ); break; case NFT_META_IIFTYPE: if (in == NULL) diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 96740d389377..c4f54ad2b98a 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -967,6 +967,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev) window = skb->data[20]; + sock_hold(make); skb->sk = make; skb->destructor = sock_efree; make->sk_state = TCP_ESTABLISHED; diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 892287d06c17..d01410e52097 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -1047,7 +1047,7 @@ error: } /* Factor out action copy to avoid "Wframe-larger-than=1024" warning. */ -static struct sw_flow_actions *get_flow_actions(struct net *net, +static noinline_for_stack struct sw_flow_actions *get_flow_actions(struct net *net, const struct nlattr *a, const struct sw_flow_key *key, const struct sw_flow_mask *mask, @@ -1081,12 +1081,13 @@ static struct sw_flow_actions *get_flow_actions(struct net *net, * we should not to return match object with dangling reference * to mask. * */ -static int ovs_nla_init_match_and_action(struct net *net, - struct sw_flow_match *match, - struct sw_flow_key *key, - struct nlattr **a, - struct sw_flow_actions **acts, - bool log) +static noinline_for_stack int +ovs_nla_init_match_and_action(struct net *net, + struct sw_flow_match *match, + struct sw_flow_key *key, + struct nlattr **a, + struct sw_flow_actions **acts, + bool log) { struct sw_flow_mask mask; int error = 0; diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c index ff74c4bbb9fc..9986d6065c4d 100644 --- a/net/rds/rdma_transport.c +++ b/net/rds/rdma_transport.c @@ -105,7 +105,8 @@ static int rds_rdma_cm_event_handler_cmn(struct rdma_cm_id *cm_id, break; case RDMA_CM_EVENT_ESTABLISHED: - trans->cm_connect_complete(conn, event); + if (conn) + trans->cm_connect_complete(conn, event); break; case RDMA_CM_EVENT_REJECTED: @@ -137,6 +138,8 @@ static int rds_rdma_cm_event_handler_cmn(struct rdma_cm_id *cm_id, break; case RDMA_CM_EVENT_DISCONNECTED: + if (!conn) + break; rdsdebug("DISCONNECT event - dropping connection " "%pI6c->%pI6c\n", &conn->c_laddr, &conn->c_faddr); diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 80335b4ee4fd..822f45386e31 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -1061,6 +1061,7 @@ void rxrpc_destroy_all_peers(struct rxrpc_net *); struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *); struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *); void rxrpc_put_peer(struct rxrpc_peer *); +void rxrpc_put_peer_locked(struct rxrpc_peer *); /* * proc.c diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c index 9f2f45c09e58..7666ec72d37e 100644 --- a/net/rxrpc/peer_event.c +++ b/net/rxrpc/peer_event.c @@ -378,7 +378,7 @@ static void rxrpc_peer_keepalive_dispatch(struct rxrpc_net *rxnet, spin_lock_bh(&rxnet->peer_hash_lock); list_add_tail(&peer->keepalive_link, &rxnet->peer_keepalive[slot & mask]); - rxrpc_put_peer(peer); + rxrpc_put_peer_locked(peer); } spin_unlock_bh(&rxnet->peer_hash_lock); diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c index 9d3ce81cf8ae..9c3ac96f71cb 100644 --- a/net/rxrpc/peer_object.c +++ b/net/rxrpc/peer_object.c @@ -437,6 +437,24 @@ void rxrpc_put_peer(struct rxrpc_peer *peer) } /* + * Drop a ref on a peer record where the caller already holds the + * peer_hash_lock. + */ +void rxrpc_put_peer_locked(struct rxrpc_peer *peer) +{ + const void *here = __builtin_return_address(0); + int n; + + n = atomic_dec_return(&peer->usage); + trace_rxrpc_peer(peer, rxrpc_peer_put, n, here); + if (n == 0) { + hash_del_rcu(&peer->hash_link); + list_del_init(&peer->keepalive_link); + kfree_rcu(peer, rcu); + } +} + +/* * Make sure all peer records have been discarded. */ void rxrpc_destroy_all_peers(struct rxrpc_net *rxnet) diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 5d3f33ce6d41..bae14438f869 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -226,6 +226,7 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, 0, ret); + rxrpc_notify_socket(call); goto out; } _debug("need instant resend %d", ret); diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 8126b26f125e..fd1f7e799e23 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -285,6 +285,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, struct tcf_bpf *prog; bool is_bpf, is_ebpf; int ret, res = 0; + u32 index; if (!nla) return -EINVAL; @@ -298,13 +299,13 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, return -EINVAL; parm = nla_data(tb[TCA_ACT_BPF_PARMS]); - - ret = tcf_idr_check_alloc(tn, &parm->index, act, bind); + index = parm->index; + ret = tcf_idr_check_alloc(tn, &index, act, bind); if (!ret) { - ret = tcf_idr_create(tn, parm->index, est, act, + ret = tcf_idr_create(tn, index, est, act, &act_bpf_ops, bind, true); if (ret < 0) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index ce36b0f7e1dc..32ac04d77a45 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -103,6 +103,7 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, struct tcf_connmark_info *ci; struct tc_connmark *parm; int ret = 0, err; + u32 index; if (!nla) return -EINVAL; @@ -116,13 +117,13 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, return -EINVAL; parm = nla_data(tb[TCA_CONNMARK_PARMS]); - - ret = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + ret = tcf_idr_check_alloc(tn, &index, a, bind); if (!ret) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_connmark_ops, bind, false); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index 621fb22ce2a9..9b9288267a54 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -52,6 +52,7 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla, struct tc_csum *parm; struct tcf_csum *p; int ret = 0, err; + u32 index; if (nla == NULL) return -EINVAL; @@ -64,13 +65,13 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla, if (tb[TCA_CSUM_PARMS] == NULL) return -EINVAL; parm = nla_data(tb[TCA_CSUM_PARMS]); - - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (!err) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_csum_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } ret = ACT_P_CREATED; diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index b501ce0cf116..33a1a7406e87 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -666,6 +666,7 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla, struct tc_ct *parm; struct tcf_ct *c; int err, res = 0; + u32 index; if (!nla) { NL_SET_ERR_MSG_MOD(extack, "Ct requires attributes to be passed"); @@ -681,16 +682,16 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla, return -EINVAL; } parm = nla_data(tb[TCA_CT_PARMS]); - - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; if (!err) { - err = tcf_idr_create(tn, parm->index, est, a, + err = tcf_idr_create(tn, index, est, a, &act_ct_ops, bind, true); if (err) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return err; } res = ACT_P_CREATED; diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c index 10eb2bb99861..06ef74b74911 100644 --- a/net/sched/act_ctinfo.c +++ b/net/sched/act_ctinfo.c @@ -157,10 +157,10 @@ static int tcf_ctinfo_init(struct net *net, struct nlattr *nla, struct netlink_ext_ack *extack) { struct tc_action_net *tn = net_generic(net, ctinfo_net_id); + u32 dscpmask = 0, dscpstatemask, index; struct nlattr *tb[TCA_CTINFO_MAX + 1]; struct tcf_ctinfo_params *cp_new; struct tcf_chain *goto_ch = NULL; - u32 dscpmask = 0, dscpstatemask; struct tc_ctinfo *actparm; struct tcf_ctinfo *ci; u8 dscpmaskshift; @@ -206,12 +206,13 @@ static int tcf_ctinfo_init(struct net *net, struct nlattr *nla, } /* done the validation:now to the actual action allocation */ - err = tcf_idr_check_alloc(tn, &actparm->index, a, bind); + index = actparm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (!err) { - ret = tcf_idr_create(tn, actparm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_ctinfo_ops, bind, false); if (ret) { - tcf_idr_cleanup(tn, actparm->index); + tcf_idr_cleanup(tn, index); return ret; } ret = ACT_P_CREATED; diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c index b2380c5284e6..8f0140c6ca58 100644 --- a/net/sched/act_gact.c +++ b/net/sched/act_gact.c @@ -61,6 +61,7 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla, struct tc_gact *parm; struct tcf_gact *gact; int ret = 0; + u32 index; int err; #ifdef CONFIG_GACT_PROB struct tc_gact_p *p_parm = NULL; @@ -77,6 +78,7 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla, if (tb[TCA_GACT_PARMS] == NULL) return -EINVAL; parm = nla_data(tb[TCA_GACT_PARMS]); + index = parm->index; #ifndef CONFIG_GACT_PROB if (tb[TCA_GACT_PROB] != NULL) @@ -94,12 +96,12 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla, } #endif - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + err = tcf_idr_check_alloc(tn, &index, a, bind); if (!err) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_gact_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } ret = ACT_P_CREATED; diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index 41d5398dd2f2..92ee853d43e6 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -479,8 +479,14 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, u8 *saddr = NULL; bool exists = false; int ret = 0; + u32 index; int err; + if (!nla) { + NL_SET_ERR_MSG_MOD(extack, "IFE requires attributes to be passed"); + return -EINVAL; + } + err = nla_parse_nested_deprecated(tb, TCA_IFE_MAX, nla, ife_policy, NULL); if (err < 0) @@ -502,7 +508,8 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, if (!p) return -ENOMEM; - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) { kfree(p); return err; @@ -514,10 +521,10 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, } if (!exists) { - ret = tcf_idr_create(tn, parm->index, est, a, &act_ife_ops, + ret = tcf_idr_create(tn, index, est, a, &act_ife_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); kfree(p); return ret; } diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index 055faa298c8e..be3f88dfc37e 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -104,6 +104,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, struct net_device *dev; bool exists = false; int ret, err; + u32 index; if (!nla) { NL_SET_ERR_MSG_MOD(extack, "Mirred requires attributes to be passed"); @@ -118,8 +119,8 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, return -EINVAL; } parm = nla_data(tb[TCA_MIRRED_PARMS]); - - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -136,21 +137,21 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); NL_SET_ERR_MSG_MOD(extack, "Unknown mirred option"); return -EINVAL; } if (!exists) { if (!parm->ifindex) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); NL_SET_ERR_MSG_MOD(extack, "Specified device does not exist"); return -EINVAL; } - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_mirred_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } ret = ACT_P_CREATED; diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c index ca2597ce4ac9..0f299e3b618c 100644 --- a/net/sched/act_mpls.c +++ b/net/sched/act_mpls.c @@ -138,6 +138,7 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla, struct tcf_mpls *m; int ret = 0, err; u8 mpls_ttl = 0; + u32 index; if (!nla) { NL_SET_ERR_MSG_MOD(extack, "Missing netlink attributes"); @@ -153,6 +154,7 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla, return -EINVAL; } parm = nla_data(tb[TCA_MPLS_PARMS]); + index = parm->index; /* Verify parameters against action type. */ switch (parm->m_action) { @@ -209,7 +211,7 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla, return -EINVAL; } - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -217,10 +219,10 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla, return 0; if (!exists) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_mpls_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 45923ebb7a4f..7b858c11b1b5 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -44,6 +44,7 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_nat *parm; int ret = 0, err; struct tcf_nat *p; + u32 index; if (nla == NULL) return -EINVAL; @@ -56,13 +57,13 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, if (tb[TCA_NAT_PARMS] == NULL) return -EINVAL; parm = nla_data(tb[TCA_NAT_PARMS]); - - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (!err) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_nat_ops, bind, false); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } ret = ACT_P_CREATED; diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 45e9d6bfddb3..17360c6faeaa 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -149,6 +149,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, struct tcf_pedit *p; int ret = 0, err; int ksize; + u32 index; if (!nla) { NL_SET_ERR_MSG_MOD(extack, "Pedit requires attributes to be passed"); @@ -179,18 +180,19 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, if (IS_ERR(keys_ex)) return PTR_ERR(keys_ex); - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (!err) { if (!parm->nkeys) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); NL_SET_ERR_MSG_MOD(extack, "Pedit requires keys to be passed"); ret = -EINVAL; goto out_free; } - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_pedit_ops, bind, false); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); goto out_free; } ret = ACT_P_CREATED; diff --git a/net/sched/act_police.c b/net/sched/act_police.c index a065f62fa79c..49cec3e64a4d 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -57,6 +57,7 @@ static int tcf_police_init(struct net *net, struct nlattr *nla, struct tc_action_net *tn = net_generic(net, police_net_id); struct tcf_police_params *new; bool exists = false; + u32 index; if (nla == NULL) return -EINVAL; @@ -73,7 +74,8 @@ static int tcf_police_init(struct net *net, struct nlattr *nla, return -EINVAL; parm = nla_data(tb[TCA_POLICE_TBF]); - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -81,10 +83,10 @@ static int tcf_police_init(struct net *net, struct nlattr *nla, return 0; if (!exists) { - ret = tcf_idr_create(tn, parm->index, NULL, a, + ret = tcf_idr_create(tn, index, NULL, a, &act_police_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } ret = ACT_P_CREATED; diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index 274d7a0c0e25..595308d60133 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -41,8 +41,8 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, struct tc_action_net *tn = net_generic(net, sample_net_id); struct nlattr *tb[TCA_SAMPLE_MAX + 1]; struct psample_group *psample_group; + u32 psample_group_num, rate, index; struct tcf_chain *goto_ch = NULL; - u32 psample_group_num, rate; struct tc_sample *parm; struct tcf_sample *s; bool exists = false; @@ -59,8 +59,8 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, return -EINVAL; parm = nla_data(tb[TCA_SAMPLE_PARMS]); - - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -68,10 +68,10 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, return 0; if (!exists) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_sample_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } ret = ACT_P_CREATED; diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index f28ddbabff76..33aefa25b545 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -95,6 +95,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla, struct tcf_defact *d; bool exists = false; int ret = 0, err; + u32 index; if (nla == NULL) return -EINVAL; @@ -108,7 +109,8 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla, return -EINVAL; parm = nla_data(tb[TCA_DEF_PARMS]); - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -119,15 +121,15 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla, if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return -EINVAL; } if (!exists) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_simp_ops, bind, false); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c index 215a06705cef..b100870f02a6 100644 --- a/net/sched/act_skbedit.c +++ b/net/sched/act_skbedit.c @@ -99,6 +99,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla, u16 *queue_mapping = NULL, *ptype = NULL; bool exists = false; int ret = 0, err; + u32 index; if (nla == NULL) return -EINVAL; @@ -146,8 +147,8 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla, } parm = nla_data(tb[TCA_SKBEDIT_PARMS]); - - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -158,15 +159,15 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla, if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return -EINVAL; } if (!exists) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_skbedit_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index 4f07706eff07..7da3518e18ef 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -87,12 +87,12 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla, struct tcf_skbmod_params *p, *p_old; struct tcf_chain *goto_ch = NULL; struct tc_skbmod *parm; + u32 lflags = 0, index; struct tcf_skbmod *d; bool exists = false; u8 *daddr = NULL; u8 *saddr = NULL; u16 eth_type = 0; - u32 lflags = 0; int ret = 0, err; if (!nla) @@ -122,10 +122,11 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla, } parm = nla_data(tb[TCA_SKBMOD_PARMS]); + index = parm->index; if (parm->flags & SKBMOD_F_SWAPMAC) lflags = SKBMOD_F_SWAPMAC; - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -136,15 +137,15 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla, if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return -EINVAL; } if (!exists) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_skbmod_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index 10dffda1d5cc..6d0debdc9b97 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -225,6 +225,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, __be16 flags = 0; u8 tos, ttl; int ret = 0; + u32 index; int err; if (!nla) { @@ -245,7 +246,8 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, } parm = nla_data(tb[TCA_TUNNEL_KEY_PARMS]); - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -345,7 +347,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, } if (!exists) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_tunnel_key_ops, bind, true); if (ret) { NL_SET_ERR_MSG(extack, "Cannot create TC IDR"); @@ -403,7 +405,7 @@ err_out: if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index 9269d350fb8a..a3c9eea1ee8a 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -116,6 +116,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, u8 push_prio = 0; bool exists = false; int ret = 0, err; + u32 index; if (!nla) return -EINVAL; @@ -128,7 +129,8 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, if (!tb[TCA_VLAN_PARMS]) return -EINVAL; parm = nla_data(tb[TCA_VLAN_PARMS]); - err = tcf_idr_check_alloc(tn, &parm->index, a, bind); + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) return err; exists = err; @@ -144,7 +146,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return -EINVAL; } push_vid = nla_get_u16(tb[TCA_VLAN_PUSH_VLAN_ID]); @@ -152,7 +154,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return -ERANGE; } @@ -166,7 +168,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return -EPROTONOSUPPORT; } } else { @@ -180,16 +182,16 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, if (exists) tcf_idr_release(*a, bind); else - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return -EINVAL; } action = parm->v_action; if (!exists) { - ret = tcf_idr_create(tn, parm->index, est, a, + ret = tcf_idr_create(tn, index, est, a, &act_vlan_ops, bind, true); if (ret) { - tcf_idr_cleanup(tn, parm->index); + tcf_idr_cleanup(tn, index); return ret; } @@ -306,6 +308,14 @@ static int tcf_vlan_search(struct net *net, struct tc_action **a, u32 index) return tcf_idr_search(tn, a, index); } +static size_t tcf_vlan_get_fill_size(const struct tc_action *act) +{ + return nla_total_size(sizeof(struct tc_vlan)) + + nla_total_size(sizeof(u16)) /* TCA_VLAN_PUSH_VLAN_ID */ + + nla_total_size(sizeof(u16)) /* TCA_VLAN_PUSH_VLAN_PROTOCOL */ + + nla_total_size(sizeof(u8)); /* TCA_VLAN_PUSH_VLAN_PRIORITY */ +} + static struct tc_action_ops act_vlan_ops = { .kind = "vlan", .id = TCA_ID_VLAN, @@ -315,6 +325,7 @@ static struct tc_action_ops act_vlan_ops = { .init = tcf_vlan_init, .cleanup = tcf_vlan_cleanup, .walk = tcf_vlan_walker, + .get_fill_size = tcf_vlan_get_fill_size, .lookup = tcf_vlan_search, .size = sizeof(struct tcf_vlan), }; diff --git a/net/sched/sch_codel.c b/net/sched/sch_codel.c index 25ef172c23df..30169b3adbbb 100644 --- a/net/sched/sch_codel.c +++ b/net/sched/sch_codel.c @@ -71,10 +71,10 @@ static struct sk_buff *dequeue_func(struct codel_vars *vars, void *ctx) struct Qdisc *sch = ctx; struct sk_buff *skb = __qdisc_dequeue_head(&sch->q); - if (skb) + if (skb) { sch->qstats.backlog -= qdisc_pkt_len(skb); - - prefetch(&skb->end); /* we'll need skb_shinfo() */ + prefetch(&skb->end); /* we'll need skb_shinfo() */ + } return skb; } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index aa80cda36581..9d1f83b10c0a 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -985,7 +985,7 @@ static int sctp_setsockopt_bindx(struct sock *sk, return -EINVAL; kaddrs = memdup_user(addrs, addrs_size); - if (unlikely(IS_ERR(kaddrs))) + if (IS_ERR(kaddrs)) return PTR_ERR(kaddrs); /* Walk through the addrs buffer and count the number of addresses. */ @@ -1315,7 +1315,7 @@ static int __sctp_setsockopt_connectx(struct sock *sk, return -EINVAL; kaddrs = memdup_user(addrs, addrs_size); - if (unlikely(IS_ERR(kaddrs))) + if (IS_ERR(kaddrs)) return PTR_ERR(kaddrs); /* Allow security module to validate connectx addresses. */ diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 302e355f2ebc..5b932583e407 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -263,7 +263,7 @@ static int smc_bind(struct socket *sock, struct sockaddr *uaddr, /* Check if socket is already active */ rc = -EINVAL; - if (sk->sk_state != SMC_INIT) + if (sk->sk_state != SMC_INIT || smc->connect_nonblock) goto out_rel; smc->clcsock->sk->sk_reuse = sk->sk_reuse; @@ -1390,7 +1390,8 @@ static int smc_listen(struct socket *sock, int backlog) lock_sock(sk); rc = -EINVAL; - if ((sk->sk_state != SMC_INIT) && (sk->sk_state != SMC_LISTEN)) + if ((sk->sk_state != SMC_INIT && sk->sk_state != SMC_LISTEN) || + smc->connect_nonblock) goto out; rc = 0; @@ -1518,7 +1519,7 @@ static int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) goto out; if (msg->msg_flags & MSG_FASTOPEN) { - if (sk->sk_state == SMC_INIT) { + if (sk->sk_state == SMC_INIT && !smc->connect_nonblock) { smc_switch_to_fallback(smc); smc->fallback_rsn = SMC_CLC_DECL_OPTUNSUPP; } else { @@ -1732,14 +1733,18 @@ static int smc_setsockopt(struct socket *sock, int level, int optname, } break; case TCP_NODELAY: - if (sk->sk_state != SMC_INIT && sk->sk_state != SMC_LISTEN) { + if (sk->sk_state != SMC_INIT && + sk->sk_state != SMC_LISTEN && + sk->sk_state != SMC_CLOSED) { if (val && !smc->use_fallback) mod_delayed_work(system_wq, &smc->conn.tx_work, 0); } break; case TCP_CORK: - if (sk->sk_state != SMC_INIT && sk->sk_state != SMC_LISTEN) { + if (sk->sk_state != SMC_INIT && + sk->sk_state != SMC_LISTEN && + sk->sk_state != SMC_CLOSED) { if (!val && !smc->use_fallback) mod_delayed_work(system_wq, &smc->conn.tx_work, 0); diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index d86030ef1232..e135d4e11231 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -55,6 +55,7 @@ struct tipc_nl_compat_msg { int rep_type; int rep_size; int req_type; + int req_size; struct net *net; struct sk_buff *rep; struct tlv_desc *req; @@ -257,7 +258,8 @@ static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd, int err; struct sk_buff *arg; - if (msg->req_type && !TLV_CHECK_TYPE(msg->req, msg->req_type)) + if (msg->req_type && (!msg->req_size || + !TLV_CHECK_TYPE(msg->req, msg->req_type))) return -EINVAL; msg->rep = tipc_tlv_alloc(msg->rep_size); @@ -354,7 +356,8 @@ static int tipc_nl_compat_doit(struct tipc_nl_compat_cmd_doit *cmd, { int err; - if (msg->req_type && !TLV_CHECK_TYPE(msg->req, msg->req_type)) + if (msg->req_type && (!msg->req_size || + !TLV_CHECK_TYPE(msg->req, msg->req_type))) return -EINVAL; err = __tipc_nl_compat_doit(cmd, msg); @@ -1278,8 +1281,8 @@ static int tipc_nl_compat_recv(struct sk_buff *skb, struct genl_info *info) goto send; } - len = nlmsg_attrlen(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN); - if (!len || !TLV_OK(msg.req, len)) { + msg.req_size = nlmsg_attrlen(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN); + if (msg.req_size && !TLV_OK(msg.req, msg.req_size)) { msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_SUPPORTED); err = -EOPNOTSUPP; goto send; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index dd8537f988c4..83ae41d7e554 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -485,9 +485,8 @@ static int tipc_sk_create(struct net *net, struct socket *sock, tsk_set_unreturnable(tsk, true); if (sock->type == SOCK_DGRAM) tsk_set_unreliable(tsk, true); - __skb_queue_head_init(&tsk->mc_method.deferredq); } - + __skb_queue_head_init(&tsk->mc_method.deferredq); trace_tipc_sk_create(sk, NULL, TIPC_DUMP_NONE, " "); return 0; } diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index 4674e57e66b0..9cbbae606ced 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -261,24 +261,9 @@ void tls_ctx_free(struct tls_context *ctx) kfree(ctx); } -static void tls_sk_proto_close(struct sock *sk, long timeout) +static void tls_sk_proto_cleanup(struct sock *sk, + struct tls_context *ctx, long timeo) { - struct tls_context *ctx = tls_get_ctx(sk); - long timeo = sock_sndtimeo(sk, 0); - void (*sk_proto_close)(struct sock *sk, long timeout); - bool free_ctx = false; - - lock_sock(sk); - sk_proto_close = ctx->sk_proto_close; - - if (ctx->tx_conf == TLS_HW_RECORD && ctx->rx_conf == TLS_HW_RECORD) - goto skip_tx_cleanup; - - if (ctx->tx_conf == TLS_BASE && ctx->rx_conf == TLS_BASE) { - free_ctx = true; - goto skip_tx_cleanup; - } - if (unlikely(sk->sk_write_pending) && !wait_on_pending_writer(sk, &timeo)) tls_handle_open_record(sk, 0); @@ -287,7 +272,7 @@ static void tls_sk_proto_close(struct sock *sk, long timeout) if (ctx->tx_conf == TLS_SW) { kfree(ctx->tx.rec_seq); kfree(ctx->tx.iv); - tls_sw_free_resources_tx(sk); + tls_sw_release_resources_tx(sk); #ifdef CONFIG_TLS_DEVICE } else if (ctx->tx_conf == TLS_HW) { tls_device_free_resources_tx(sk); @@ -295,26 +280,44 @@ static void tls_sk_proto_close(struct sock *sk, long timeout) } if (ctx->rx_conf == TLS_SW) - tls_sw_free_resources_rx(sk); + tls_sw_release_resources_rx(sk); #ifdef CONFIG_TLS_DEVICE if (ctx->rx_conf == TLS_HW) tls_device_offload_cleanup_rx(sk); - - if (ctx->tx_conf != TLS_HW && ctx->rx_conf != TLS_HW) { -#else - { #endif - tls_ctx_free(ctx); - ctx = NULL; - } +} -skip_tx_cleanup: +static void tls_sk_proto_close(struct sock *sk, long timeout) +{ + struct inet_connection_sock *icsk = inet_csk(sk); + struct tls_context *ctx = tls_get_ctx(sk); + long timeo = sock_sndtimeo(sk, 0); + bool free_ctx; + + if (ctx->tx_conf == TLS_SW) + tls_sw_cancel_work_tx(ctx); + + lock_sock(sk); + free_ctx = ctx->tx_conf != TLS_HW && ctx->rx_conf != TLS_HW; + + if (ctx->tx_conf != TLS_BASE || ctx->rx_conf != TLS_BASE) + tls_sk_proto_cleanup(sk, ctx, timeo); + + write_lock_bh(&sk->sk_callback_lock); + if (free_ctx) + icsk->icsk_ulp_data = NULL; + sk->sk_prot = ctx->sk_proto; + write_unlock_bh(&sk->sk_callback_lock); release_sock(sk); - sk_proto_close(sk, timeout); - /* free ctx for TLS_HW_RECORD, used by tcp_set_state - * for sk->sk_prot->unhash [tls_hw_unhash] - */ + if (ctx->tx_conf == TLS_SW) + tls_sw_free_ctx_tx(ctx); + if (ctx->rx_conf == TLS_SW || ctx->rx_conf == TLS_HW) + tls_sw_strparser_done(ctx); + if (ctx->rx_conf == TLS_SW) + tls_sw_free_ctx_rx(ctx); + ctx->sk_proto_close(sk, timeout); + if (free_ctx) tls_ctx_free(ctx); } @@ -526,6 +529,8 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval, { #endif rc = tls_set_sw_offload(sk, ctx, 1); + if (rc) + goto err_crypto_info; conf = TLS_SW; } } else { @@ -537,13 +542,13 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval, { #endif rc = tls_set_sw_offload(sk, ctx, 0); + if (rc) + goto err_crypto_info; conf = TLS_SW; } + tls_sw_strparser_arm(sk, ctx); } - if (rc) - goto err_crypto_info; - if (tx) ctx->tx_conf = conf; else @@ -607,6 +612,7 @@ static struct tls_context *create_ctx(struct sock *sk) ctx->setsockopt = sk->sk_prot->setsockopt; ctx->getsockopt = sk->sk_prot->getsockopt; ctx->sk_proto_close = sk->sk_prot->close; + ctx->unhash = sk->sk_prot->unhash; return ctx; } @@ -764,7 +770,6 @@ static void build_protos(struct proto prot[TLS_NUM_CONFIG][TLS_NUM_CONFIG], prot[TLS_HW_RECORD][TLS_HW_RECORD] = *base; prot[TLS_HW_RECORD][TLS_HW_RECORD].hash = tls_hw_hash; prot[TLS_HW_RECORD][TLS_HW_RECORD].unhash = tls_hw_unhash; - prot[TLS_HW_RECORD][TLS_HW_RECORD].close = tls_sk_proto_close; } static int tls_init(struct sock *sk) @@ -773,7 +778,7 @@ static int tls_init(struct sock *sk) int rc = 0; if (tls_hw_prot(sk)) - goto out; + return 0; /* The TLS ulp is currently supported only for TCP sockets * in ESTABLISHED state. @@ -784,21 +789,38 @@ static int tls_init(struct sock *sk) if (sk->sk_state != TCP_ESTABLISHED) return -ENOTSUPP; + tls_build_proto(sk); + /* allocate tls context */ + write_lock_bh(&sk->sk_callback_lock); ctx = create_ctx(sk); if (!ctx) { rc = -ENOMEM; goto out; } - tls_build_proto(sk); ctx->tx_conf = TLS_BASE; ctx->rx_conf = TLS_BASE; + ctx->sk_proto = sk->sk_prot; update_sk_prot(sk, ctx); out: + write_unlock_bh(&sk->sk_callback_lock); return rc; } +static void tls_update(struct sock *sk, struct proto *p) +{ + struct tls_context *ctx; + + ctx = tls_get_ctx(sk); + if (likely(ctx)) { + ctx->sk_proto_close = p->close; + ctx->sk_proto = p; + } else { + sk->sk_prot = p; + } +} + void tls_register_device(struct tls_device *device) { spin_lock_bh(&device_spinlock); @@ -819,6 +841,7 @@ static struct tcp_ulp_ops tcp_tls_ulp_ops __read_mostly = { .name = "tls", .owner = THIS_MODULE, .init = tls_init, + .update = tls_update, }; static int __init tls_register(void) diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 53b4ad94e74a..91d21b048a9b 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -2054,7 +2054,16 @@ static void tls_data_ready(struct sock *sk) } } -void tls_sw_free_resources_tx(struct sock *sk) +void tls_sw_cancel_work_tx(struct tls_context *tls_ctx) +{ + struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx); + + set_bit(BIT_TX_CLOSING, &ctx->tx_bitmask); + set_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask); + cancel_delayed_work_sync(&ctx->tx_work.work); +} + +void tls_sw_release_resources_tx(struct sock *sk) { struct tls_context *tls_ctx = tls_get_ctx(sk); struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx); @@ -2065,11 +2074,6 @@ void tls_sw_free_resources_tx(struct sock *sk) if (atomic_read(&ctx->encrypt_pending)) crypto_wait_req(-EINPROGRESS, &ctx->async_wait); - release_sock(sk); - cancel_delayed_work_sync(&ctx->tx_work.work); - lock_sock(sk); - - /* Tx whatever records we can transmit and abandon the rest */ tls_tx_records(sk, -1); /* Free up un-sent records in tx_list. First, free @@ -2092,6 +2096,11 @@ void tls_sw_free_resources_tx(struct sock *sk) crypto_free_aead(ctx->aead_send); tls_free_open_rec(sk); +} + +void tls_sw_free_ctx_tx(struct tls_context *tls_ctx) +{ + struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx); kfree(ctx); } @@ -2110,25 +2119,40 @@ void tls_sw_release_resources_rx(struct sock *sk) skb_queue_purge(&ctx->rx_list); crypto_free_aead(ctx->aead_recv); strp_stop(&ctx->strp); - write_lock_bh(&sk->sk_callback_lock); - sk->sk_data_ready = ctx->saved_data_ready; - write_unlock_bh(&sk->sk_callback_lock); - release_sock(sk); - strp_done(&ctx->strp); - lock_sock(sk); + /* If tls_sw_strparser_arm() was not called (cleanup paths) + * we still want to strp_stop(), but sk->sk_data_ready was + * never swapped. + */ + if (ctx->saved_data_ready) { + write_lock_bh(&sk->sk_callback_lock); + sk->sk_data_ready = ctx->saved_data_ready; + write_unlock_bh(&sk->sk_callback_lock); + } } } -void tls_sw_free_resources_rx(struct sock *sk) +void tls_sw_strparser_done(struct tls_context *tls_ctx) { - struct tls_context *tls_ctx = tls_get_ctx(sk); struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx); - tls_sw_release_resources_rx(sk); + strp_done(&ctx->strp); +} + +void tls_sw_free_ctx_rx(struct tls_context *tls_ctx) +{ + struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx); kfree(ctx); } +void tls_sw_free_resources_rx(struct sock *sk) +{ + struct tls_context *tls_ctx = tls_get_ctx(sk); + + tls_sw_release_resources_rx(sk); + tls_sw_free_ctx_rx(tls_ctx); +} + /* The work handler to transmitt the encrypted records in tx_list */ static void tx_work_handler(struct work_struct *work) { @@ -2137,11 +2161,17 @@ static void tx_work_handler(struct work_struct *work) struct tx_work, work); struct sock *sk = tx_work->sk; struct tls_context *tls_ctx = tls_get_ctx(sk); - struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx); + struct tls_sw_context_tx *ctx; - if (!test_and_clear_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask)) + if (unlikely(!tls_ctx)) return; + ctx = tls_sw_ctx_tx(tls_ctx); + if (test_bit(BIT_TX_CLOSING, &ctx->tx_bitmask)) + return; + + if (!test_and_clear_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask)) + return; lock_sock(sk); tls_tx_records(sk, -1); release_sock(sk); @@ -2160,6 +2190,18 @@ void tls_sw_write_space(struct sock *sk, struct tls_context *ctx) } } +void tls_sw_strparser_arm(struct sock *sk, struct tls_context *tls_ctx) +{ + struct tls_sw_context_rx *rx_ctx = tls_sw_ctx_rx(tls_ctx); + + write_lock_bh(&sk->sk_callback_lock); + rx_ctx->saved_data_ready = sk->sk_data_ready; + sk->sk_data_ready = tls_data_ready; + write_unlock_bh(&sk->sk_callback_lock); + + strp_check_rcv(&rx_ctx->strp); +} + int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx) { struct tls_context *tls_ctx = tls_get_ctx(sk); @@ -2357,13 +2399,6 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx) cb.parse_msg = tls_read_size; strp_init(&sw_ctx_rx->strp, sk, &cb); - - write_lock_bh(&sk->sk_callback_lock); - sw_ctx_rx->saved_data_ready = sk->sk_data_ready; - sk->sk_data_ready = tls_data_ready; - write_unlock_bh(&sk->sk_callback_lock); - - strp_check_rcv(&sw_ctx_rx->strp); } goto out; diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c index f2084e3f7aa4..9d864ebeb7b3 100644 --- a/net/vmw_vsock/hyperv_transport.c +++ b/net/vmw_vsock/hyperv_transport.c @@ -312,6 +312,11 @@ static void hvs_close_connection(struct vmbus_channel *chan) lock_sock(sk); hvs_do_close_lock_held(vsock_sk(sk), true); release_sock(sk); + + /* Release the refcnt for the channel that's opened in + * hvs_open_connection(). + */ + sock_put(sk); } static void hvs_open_connection(struct vmbus_channel *chan) @@ -407,6 +412,9 @@ static void hvs_open_connection(struct vmbus_channel *chan) } set_per_channel_state(chan, conn_from_host ? new : sk); + + /* This reference will be dropped by hvs_close_connection(). */ + sock_hold(conn_from_host ? new : sk); vmbus_set_chn_rescind_callback(chan, hvs_close_connection); /* Set the pending send size to max packet size to always get diff --git a/net/wireless/core.c b/net/wireless/core.c index 45d9afcff6d5..32b3c719fdfc 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -1410,10 +1410,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, } break; case NETDEV_PRE_UP: - if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)) && - !(wdev->iftype == NL80211_IFTYPE_AP_VLAN && - rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP && - wdev->use_4addr)) + if (!cfg80211_iftype_allowed(wdev->wiphy, wdev->iftype, + wdev->use_4addr, 0)) return notifier_from_errno(-EOPNOTSUPP); if (rfkill_blocked(rdev->rfkill)) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index fc83dd179c1a..fd05ae1437a9 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3484,9 +3484,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) return err; } - if (!(rdev->wiphy.interface_modes & (1 << type)) && - !(type == NL80211_IFTYPE_AP_VLAN && params.use_4addr && - rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)) + if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0)) return -EOPNOTSUPP; err = nl80211_parse_mon_options(rdev, type, info, ¶ms); diff --git a/net/wireless/util.c b/net/wireless/util.c index 1c39d6a2e850..d0e35b7b9e35 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1697,7 +1697,7 @@ int cfg80211_iter_combinations(struct wiphy *wiphy, for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) { num_interfaces += params->iftype_num[iftype]; if (params->iftype_num[iftype] > 0 && - !(wiphy->software_iftypes & BIT(iftype))) + !cfg80211_iftype_allowed(wiphy, iftype, 0, 1)) used_iftypes |= BIT(iftype); } @@ -1719,7 +1719,7 @@ int cfg80211_iter_combinations(struct wiphy *wiphy, return -ENOMEM; for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) { - if (wiphy->software_iftypes & BIT(iftype)) + if (cfg80211_iftype_allowed(wiphy, iftype, 0, 1)) continue; for (j = 0; j < c->n_limits; j++) { all_iftypes |= limits[j].types; @@ -2072,3 +2072,26 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, return max_vht_nss; } EXPORT_SYMBOL(ieee80211_get_vht_max_nss); + +bool cfg80211_iftype_allowed(struct wiphy *wiphy, enum nl80211_iftype iftype, + bool is_4addr, u8 check_swif) + +{ + bool is_vlan = iftype == NL80211_IFTYPE_AP_VLAN; + + switch (check_swif) { + case 0: + if (is_vlan && is_4addr) + return wiphy->flags & WIPHY_FLAG_4ADDR_AP; + return wiphy->interface_modes & BIT(iftype); + case 1: + if (!(wiphy->software_iftypes & BIT(iftype)) && is_vlan) + return wiphy->flags & WIPHY_FLAG_4ADDR_AP; + return wiphy->software_iftypes & BIT(iftype); + default: + break; + } + + return false; +} +EXPORT_SYMBOL(cfg80211_iftype_allowed); diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include index 8a5c4d645eb1..4bbf4fc163a2 100644 --- a/scripts/Kconfig.include +++ b/scripts/Kconfig.include @@ -25,7 +25,7 @@ failure = $(if-success,$(1),n,y) # $(cc-option,<flag>) # Return y if the compiler supports <flag>, n otherwise -cc-option = $(success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null) +cc-option = $(success,$(CC) -Werror $(CLANG_FLAGS) $(1) -E -x c /dev/null -o /dev/null) # $(ld-option,<flag>) # Return y if the linker supports <flag>, n otherwise diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 0d434d0afc0b..2f66ed388d1c 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -52,6 +52,13 @@ ifndef obj $(warning kbuild: Makefile.build is included improperly) endif +ifeq ($(MAKECMDGOALS)$(need-modorder),) +ifneq ($(obj-m),) +$(warning $(patsubst %.o,'%.ko',$(obj-m)) will not be built even though obj-m is specified.) +$(warning You cannot use subdir-y/m to visit a module Makefile. Use obj-y/m instead.) +endif +endif + # =========================================================================== ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),) @@ -487,7 +494,9 @@ targets += $(call intermediate_targets, .asn1.o, .asn1.c .asn1.h) \ PHONY += $(subdir-ym) $(subdir-ym): - $(Q)$(MAKE) $(build)=$@ need-builtin=$(if $(findstring $@,$(subdir-obj-y)),1) + $(Q)$(MAKE) $(build)=$@ \ + need-builtin=$(if $(filter $@/built-in.a, $(subdir-obj-y)),1) \ + need-modorder=$(if $(need-modorder),$(if $(filter $@/modules.order, $(modorder)),1)) # Add FORCE to the prequisites of a target to force it to be always rebuilt. # --------------------------------------------------------------------------- diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index 6b19c1a4eae5..26e6574ecd08 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost @@ -38,12 +38,39 @@ # symbols in the final module linking stage # KBUILD_MODPOST_NOFINAL can be set to skip the final link of modules. # This is solely useful to speed up test compiles -PHONY := _modpost -_modpost: __modpost + +PHONY := __modpost +__modpost: include include/config/auto.conf include scripts/Kbuild.include +kernelsymfile := $(objtree)/Module.symvers +modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers + +MODPOST = scripts/mod/modpost \ + $(if $(CONFIG_MODVERSIONS),-m) \ + $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a) \ + $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile) \ + $(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \ + $(if $(KBUILD_EXTMOD),$(addprefix -e ,$(KBUILD_EXTRA_SYMBOLS))) \ + $(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \ + $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E) \ + $(if $(KBUILD_MODPOST_WARN),-w) + +ifdef MODPOST_VMLINUX + +__modpost: vmlinux.o + +quiet_cmd_modpost = MODPOST $@ + cmd_modpost = $(MODPOST) $@ + +PHONY += vmlinux.o +vmlinux.o: + $(call cmd,modpost) + +else + # When building external modules load the Kbuild file to retrieve EXTRA_SYMBOLS info ifneq ($(KBUILD_EXTMOD),) @@ -58,50 +85,25 @@ endif include scripts/Makefile.lib -kernelsymfile := $(objtree)/Module.symvers -modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers - -modorder := $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)modules.order - -# Step 1), find all modules listed in modules.order -ifdef CONFIG_MODULES -modules := $(sort $(shell cat $(modorder))) -endif +# find all modules listed in modules.order +modules := $(sort $(shell cat $(MODORDER))) # Stop after building .o files if NOFINAL is set. Makes compile tests quicker -_modpost: $(if $(KBUILD_MODPOST_NOFINAL), $(modules:.ko:.o),$(modules)) - -# Step 2), invoke modpost -# Includes step 3,4 -modpost = scripts/mod/modpost \ - $(if $(CONFIG_MODVERSIONS),-m) \ - $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,) \ - $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile) \ - $(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \ - $(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \ - $(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \ - $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E) \ - $(if $(KBUILD_MODPOST_WARN),-w) - -MODPOST_OPT=$(subst -i,-n,$(filter -i,$(MAKEFLAGS))) +__modpost: $(if $(KBUILD_MODPOST_NOFINAL), $(modules:.ko:.o),$(modules)) + @: -# We can go over command line length here, so be careful. -quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules - cmd_modpost = sed 's/ko$$/o/' $(modorder) | $(modpost) $(MODPOST_OPT) -s -T - - -PHONY += __modpost -__modpost: $(modules:.ko=.o) FORCE - $(call cmd,modpost) $(wildcard vmlinux) +MODPOST += $(subst -i,-n,$(filter -i,$(MAKEFLAGS))) -s -T - $(wildcard vmlinux) -quiet_cmd_kernel-mod = MODPOST $@ - cmd_kernel-mod = $(modpost) $@ +# We can go over command line length here, so be careful. +quiet_cmd_modpost = MODPOST $(words $(modules)) modules + cmd_modpost = sed 's/ko$$/o/' $(MODORDER) | $(MODPOST) -vmlinux.o: FORCE - $(call cmd,kernel-mod) +PHONY += modules-modpost +modules-modpost: + $(call cmd,modpost) # Declare generated files as targets for modpost -$(modules:.ko=.mod.c): __modpost ; - +$(modules:.ko=.mod.c): modules-modpost # Step 5), compile all *.mod.c files @@ -145,10 +147,10 @@ FORCE: # optimization, we don't need to read them if the target does not # exist, we will rebuild anyway in that case. -cmd_files := $(wildcard $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd)) +existing-targets := $(wildcard $(sort $(targets))) + +-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) -ifneq ($(cmd_files),) - include $(cmd_files) endif .PHONY: $(PHONY) diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh index 47f6f3ea0771..bbaf29386995 100755 --- a/scripts/headers_install.sh +++ b/scripts/headers_install.sh @@ -23,6 +23,12 @@ TMPFILE=$OUTFILE.tmp trap 'rm -f $OUTFILE $TMPFILE' EXIT +# SPDX-License-Identifier with GPL variants must have "WITH Linux-syscall-note" +if [ -n "$(sed -n -e "/SPDX-License-Identifier:.*GPL-/{/WITH Linux-syscall-note/!p}" $INFILE)" ]; then + echo "error: $INFILE: missing \"WITH Linux-syscall-note\" for SPDX-License-Identifier" >&2 + exit 1 +fi + sed -E -e ' s/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g s/__attribute_const__([[:space:]]|$)/\1/g diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 1134892599da..3569d2dec37c 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -848,6 +848,7 @@ int conf_write(const char *name) const char *str; char tmpname[PATH_MAX + 1], oldname[PATH_MAX + 1]; char *env; + int i; bool need_newline = false; if (!name) @@ -930,6 +931,9 @@ next: } fclose(out); + for_all_symbols(i, sym) + sym->flags &= ~SYMBOL_WRITTEN; + if (*tmpname) { if (is_same(name, tmpname)) { conf_message("No change to %s", name); diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index a7124f895b24..915775eb2921 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -210,7 +210,7 @@ info LD vmlinux.o modpost_link vmlinux.o # modpost vmlinux.o to check for section mismatches -${MAKE} -f "${srctree}/scripts/Makefile.modpost" vmlinux.o +${MAKE} -f "${srctree}/scripts/Makefile.modpost" MODPOST_VMLINUX=1 info MODINFO modules.builtin.modinfo ${OBJCOPY} -j .modinfo -O binary vmlinux.o modules.builtin.modinfo diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 624ccc6ac744..f8efaa9f647c 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -272,6 +272,8 @@ static int rangetr_cmp(struct hashtab *h, const void *k1, const void *k2) return v; } +static int (*destroy_f[SYM_NUM]) (void *key, void *datum, void *datap); + /* * Initialize a policy database structure. */ @@ -319,8 +321,10 @@ static int policydb_init(struct policydb *p) out: hashtab_destroy(p->filename_trans); hashtab_destroy(p->range_tr); - for (i = 0; i < SYM_NUM; i++) + for (i = 0; i < SYM_NUM; i++) { + hashtab_map(p->symtab[i].table, destroy_f[i], NULL); hashtab_destroy(p->symtab[i].table); + } return rc; } diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 12dd9b318db1..703857aab00f 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1873,6 +1873,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream, if (!to_check) break; /* all drained */ init_waitqueue_entry(&wait, current); + set_current_state(TASK_INTERRUPTIBLE); add_wait_queue(&to_check->sleep, &wait); snd_pcm_stream_unlock_irq(substream); if (runtime->no_period_wakeup) @@ -1885,7 +1886,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream, } tout = msecs_to_jiffies(tout * 1000); } - tout = schedule_timeout_interruptible(tout); + tout = schedule_timeout(tout); snd_pcm_stream_lock_irq(substream); group = snd_pcm_stream_group_ref(substream); diff --git a/sound/firewire/packets-buffer.c b/sound/firewire/packets-buffer.c index 0d35359d25cd..0ecafd0c6722 100644 --- a/sound/firewire/packets-buffer.c +++ b/sound/firewire/packets-buffer.c @@ -37,7 +37,7 @@ int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit, packets_per_page = PAGE_SIZE / packet_size; if (WARN_ON(!packets_per_page)) { err = -EINVAL; - goto error; + goto err_packets; } pages = DIV_ROUND_UP(count, packets_per_page); diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 1192c7561d62..3c2db3816029 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -136,10 +136,12 @@ int snd_hdac_i915_init(struct hdac_bus *bus) if (!acomp) return -ENODEV; if (!acomp->ops) { - request_module("i915"); - /* 60s timeout */ - wait_for_completion_timeout(&bind_complete, - msecs_to_jiffies(60 * 1000)); + if (!IS_ENABLED(CONFIG_MODULES) || + !request_module("i915")) { + /* 60s timeout */ + wait_for_completion_timeout(&bind_complete, + msecs_to_jiffies(60 * 1000)); + } } if (!acomp->ops) { dev_info(bus->dev, "couldn't bind with audio component\n"); diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index c8d1b4316245..48d863736b3c 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -598,11 +598,9 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) } runtime->private_data = azx_dev; - if (chip->gts_present) - azx_pcm_hw.info = azx_pcm_hw.info | - SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME; - runtime->hw = azx_pcm_hw; + if (chip->gts_present) + runtime->hw.info |= SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME; runtime->hw.channels_min = hinfo->channels_min; runtime->hw.channels_max = hinfo->channels_max; runtime->hw.formats = hinfo->formats; @@ -615,6 +613,13 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) 20, 178000000); + /* by some reason, the playback stream stalls on PulseAudio with + * tsched=1 when a capture stream triggers. Until we figure out the + * real cause, disable tsched mode by telling the PCM info flag. + */ + if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND) + runtime->hw.info |= SNDRV_PCM_INFO_BATCH; + if (chip->align_buffer_size) /* constrain buffer sizes to be multiple of 128 bytes. This is more efficient in terms of memory diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h index baa15374fbcb..f2a6df5e6bcb 100644 --- a/sound/pci/hda/hda_controller.h +++ b/sound/pci/hda/hda_controller.h @@ -31,7 +31,7 @@ /* 14 unused */ #define AZX_DCAPS_CTX_WORKAROUND (1 << 15) /* X-Fi workaround */ #define AZX_DCAPS_POSFIX_LPIB (1 << 16) /* Use LPIB as default */ -/* 17 unused */ +#define AZX_DCAPS_AMD_WORKAROUND (1 << 17) /* AMD-specific workaround */ #define AZX_DCAPS_NO_64BIT (1 << 18) /* No 64bit address */ #define AZX_DCAPS_SYNC_WRITE (1 << 19) /* sync each cmd write */ #define AZX_DCAPS_OLD_SSYNC (1 << 20) /* Old SSYNC reg for ICH */ diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 1e14d7270adf..a6d8c0d77b84 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -64,6 +64,7 @@ enum { POS_FIX_VIACOMBO, POS_FIX_COMBO, POS_FIX_SKL, + POS_FIX_FIFO, }; /* Defines for ATI HD Audio support in SB450 south bridge */ @@ -135,7 +136,7 @@ module_param_array(model, charp, NULL, 0444); MODULE_PARM_DESC(model, "Use the given board model."); module_param_array(position_fix, int, NULL, 0444); MODULE_PARM_DESC(position_fix, "DMA pointer read method." - "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+)."); + "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+, 6 = FIFO)."); module_param_array(bdl_pos_adj, int, NULL, 0644); MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset."); module_param_array(probe_mask, int, NULL, 0444); @@ -332,6 +333,11 @@ enum { #define AZX_DCAPS_PRESET_ATI_HDMI_NS \ (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF) +/* quirks for AMD SB */ +#define AZX_DCAPS_PRESET_AMD_SB \ + (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_AMD_WORKAROUND |\ + AZX_DCAPS_SNOOP_TYPE(ATI) | AZX_DCAPS_PM_RUNTIME) + /* quirks for Nvidia */ #define AZX_DCAPS_PRESET_NVIDIA \ (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\ @@ -841,6 +847,49 @@ static unsigned int azx_via_get_position(struct azx *chip, return bound_pos + mod_dma_pos; } +#define AMD_FIFO_SIZE 32 + +/* get the current DMA position with FIFO size correction */ +static unsigned int azx_get_pos_fifo(struct azx *chip, struct azx_dev *azx_dev) +{ + struct snd_pcm_substream *substream = azx_dev->core.substream; + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned int pos, delay; + + pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev)); + if (!runtime) + return pos; + + runtime->delay = AMD_FIFO_SIZE; + delay = frames_to_bytes(runtime, AMD_FIFO_SIZE); + if (azx_dev->insufficient) { + if (pos < delay) { + delay = pos; + runtime->delay = bytes_to_frames(runtime, pos); + } else { + azx_dev->insufficient = 0; + } + } + + /* correct the DMA position for capture stream */ + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (pos < delay) + pos += azx_dev->core.bufsize; + pos -= delay; + } + + return pos; +} + +static int azx_get_delay_from_fifo(struct azx *chip, struct azx_dev *azx_dev, + unsigned int pos) +{ + struct snd_pcm_substream *substream = azx_dev->core.substream; + + /* just read back the calculated value in the above */ + return substream->runtime->delay; +} + static unsigned int azx_skl_get_dpib_pos(struct azx *chip, struct azx_dev *azx_dev) { @@ -1417,6 +1466,7 @@ static int check_position_fix(struct azx *chip, int fix) case POS_FIX_VIACOMBO: case POS_FIX_COMBO: case POS_FIX_SKL: + case POS_FIX_FIFO: return fix; } @@ -1433,6 +1483,10 @@ static int check_position_fix(struct azx *chip, int fix) dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n"); return POS_FIX_VIACOMBO; } + if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND) { + dev_dbg(chip->card->dev, "Using FIFO position fix\n"); + return POS_FIX_FIFO; + } if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) { dev_dbg(chip->card->dev, "Using LPIB position fix\n"); return POS_FIX_LPIB; @@ -1453,6 +1507,7 @@ static void assign_position_fix(struct azx *chip, int fix) [POS_FIX_VIACOMBO] = azx_via_get_position, [POS_FIX_COMBO] = azx_get_pos_lpib, [POS_FIX_SKL] = azx_get_pos_skl, + [POS_FIX_FIFO] = azx_get_pos_fifo, }; chip->get_position[0] = chip->get_position[1] = callbacks[fix]; @@ -1467,6 +1522,9 @@ static void assign_position_fix(struct azx *chip, int fix) azx_get_delay_from_lpib; } + if (fix == POS_FIX_FIFO) + chip->get_delay[0] = chip->get_delay[1] = + azx_get_delay_from_fifo; } /* @@ -2447,6 +2505,9 @@ static const struct pci_device_id azx_ids[] = { /* AMD Hudson */ { PCI_DEVICE(0x1022, 0x780d), .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB }, + /* AMD, X370 & co */ + { PCI_DEVICE(0x1022, 0x1457), + .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB }, /* AMD Stoney */ { PCI_DEVICE(0x1022, 0x157a), .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB | diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c index a4ade6bb5beb..bc4dfafdfcd1 100644 --- a/sound/soc/amd/raven/acp3x-pcm-dma.c +++ b/sound/soc/amd/raven/acp3x-pcm-dma.c @@ -31,8 +31,8 @@ struct i2s_stream_instance { u16 num_pages; u16 channels; u32 xfer_resolution; - struct page *pg; u64 bytescount; + dma_addr_t dma_addr; void __iomem *acp3x_base; }; @@ -211,9 +211,8 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id) static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) { u16 page_idx; - u64 addr; u32 low, high, val, acp_fifo_addr; - struct page *pg = rtd->pg; + dma_addr_t addr = rtd->dma_addr; /* 8 scratch registers used to map one 64 bit address */ if (direction == SNDRV_PCM_STREAM_PLAYBACK) @@ -229,7 +228,6 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) for (page_idx = 0; page_idx < rtd->num_pages; page_idx++) { /* Load the low address of page int ACP SRAM through SRBM */ - addr = page_to_phys(pg); low = lower_32_bits(addr); high = upper_32_bits(addr); @@ -239,7 +237,7 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) + 4); /* Move to next physically contiguos page */ val += 8; - pg++; + addr += PAGE_SIZE; } if (direction == SNDRV_PCM_STREAM_PLAYBACK) { @@ -341,7 +339,6 @@ static int acp3x_dma_hw_params(struct snd_pcm_substream *substream, { int status; u64 size; - struct page *pg; struct snd_pcm_runtime *runtime = substream->runtime; struct i2s_stream_instance *rtd = runtime->private_data; @@ -354,9 +351,8 @@ static int acp3x_dma_hw_params(struct snd_pcm_substream *substream, return status; memset(substream->runtime->dma_area, 0, params_buffer_bytes(params)); - pg = virt_to_page(substream->dma_buffer.area); - if (pg) { - rtd->pg = pg; + if (substream->dma_buffer.area) { + rtd->dma_addr = substream->dma_buffer.addr; rtd->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT); config_acp3x_dma(rtd, substream->stream); status = 0; @@ -385,9 +381,11 @@ static snd_pcm_uframes_t acp3x_dma_pointer(struct snd_pcm_substream *substream) static int acp3x_dma_new(struct snd_soc_pcm_runtime *rtd) { + struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, + DRV_NAME); + struct device *parent = component->dev->parent; snd_pcm_lib_preallocate_pages_for_all(rtd->pcm, SNDRV_DMA_TYPE_DEV, - rtd->pcm->card->dev, - MIN_BUFFER, MAX_BUFFER); + parent, MIN_BUFFER, MAX_BUFFER); return 0; } diff --git a/sound/soc/codecs/cs42xx8.c b/sound/soc/codecs/cs42xx8.c index 6203f54d9f25..5b049fcdba20 100644 --- a/sound/soc/codecs/cs42xx8.c +++ b/sound/soc/codecs/cs42xx8.c @@ -47,6 +47,7 @@ struct cs42xx8_priv { unsigned long sysclk; u32 tx_channels; struct gpio_desc *gpiod_reset; + u32 rate[2]; }; /* -127.5dB to 0dB with step of 0.5dB */ @@ -176,21 +177,27 @@ static const struct snd_soc_dapm_route cs42xx8_adc3_dapm_routes[] = { }; struct cs42xx8_ratios { - unsigned int ratio; - unsigned char speed; - unsigned char mclk; + unsigned int mfreq; + unsigned int min_mclk; + unsigned int max_mclk; + unsigned int ratio[3]; }; +/* + * According to reference mannual, define the cs42xx8_ratio struct + * MFreq2 | MFreq1 | MFreq0 | Description | SSM | DSM | QSM | + * 0 | 0 | 0 |1.029MHz to 12.8MHz | 256 | 128 | 64 | + * 0 | 0 | 1 |1.536MHz to 19.2MHz | 384 | 192 | 96 | + * 0 | 1 | 0 |2.048MHz to 25.6MHz | 512 | 256 | 128 | + * 0 | 1 | 1 |3.072MHz to 38.4MHz | 768 | 384 | 192 | + * 1 | x | x |4.096MHz to 51.2MHz |1024 | 512 | 256 | + */ static const struct cs42xx8_ratios cs42xx8_ratios[] = { - { 64, CS42XX8_FM_QUAD, CS42XX8_FUNCMOD_MFREQ_256(4) }, - { 96, CS42XX8_FM_QUAD, CS42XX8_FUNCMOD_MFREQ_384(4) }, - { 128, CS42XX8_FM_QUAD, CS42XX8_FUNCMOD_MFREQ_512(4) }, - { 192, CS42XX8_FM_QUAD, CS42XX8_FUNCMOD_MFREQ_768(4) }, - { 256, CS42XX8_FM_SINGLE, CS42XX8_FUNCMOD_MFREQ_256(1) }, - { 384, CS42XX8_FM_SINGLE, CS42XX8_FUNCMOD_MFREQ_384(1) }, - { 512, CS42XX8_FM_SINGLE, CS42XX8_FUNCMOD_MFREQ_512(1) }, - { 768, CS42XX8_FM_SINGLE, CS42XX8_FUNCMOD_MFREQ_768(1) }, - { 1024, CS42XX8_FM_SINGLE, CS42XX8_FUNCMOD_MFREQ_1024(1) } + { 0, 1029000, 12800000, {256, 128, 64} }, + { 2, 1536000, 19200000, {384, 192, 96} }, + { 4, 2048000, 25600000, {512, 256, 128} }, + { 6, 3072000, 38400000, {768, 384, 192} }, + { 8, 4096000, 51200000, {1024, 512, 256} }, }; static int cs42xx8_set_dai_sysclk(struct snd_soc_dai *codec_dai, @@ -257,14 +264,68 @@ static int cs42xx8_hw_params(struct snd_pcm_substream *substream, struct snd_soc_component *component = dai->component; struct cs42xx8_priv *cs42xx8 = snd_soc_component_get_drvdata(component); bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; - u32 ratio = cs42xx8->sysclk / params_rate(params); - u32 i, fm, val, mask; + u32 ratio[2]; + u32 rate[2]; + u32 fm[2]; + u32 i, val, mask; + bool condition1, condition2; if (tx) cs42xx8->tx_channels = params_channels(params); + rate[tx] = params_rate(params); + rate[!tx] = cs42xx8->rate[!tx]; + + ratio[tx] = rate[tx] > 0 ? cs42xx8->sysclk / rate[tx] : 0; + ratio[!tx] = rate[!tx] > 0 ? cs42xx8->sysclk / rate[!tx] : 0; + + /* Get functional mode for tx and rx according to rate */ + for (i = 0; i < 2; i++) { + if (cs42xx8->slave_mode) { + fm[i] = CS42XX8_FM_AUTO; + } else { + if (rate[i] < 50000) { + fm[i] = CS42XX8_FM_SINGLE; + } else if (rate[i] > 50000 && rate[i] < 100000) { + fm[i] = CS42XX8_FM_DOUBLE; + } else if (rate[i] > 100000 && rate[i] < 200000) { + fm[i] = CS42XX8_FM_QUAD; + } else { + dev_err(component->dev, + "unsupported sample rate\n"); + return -EINVAL; + } + } + } + for (i = 0; i < ARRAY_SIZE(cs42xx8_ratios); i++) { - if (cs42xx8_ratios[i].ratio == ratio) + /* Is the ratio[tx] valid ? */ + condition1 = ((fm[tx] == CS42XX8_FM_AUTO) ? + (cs42xx8_ratios[i].ratio[0] == ratio[tx] || + cs42xx8_ratios[i].ratio[1] == ratio[tx] || + cs42xx8_ratios[i].ratio[2] == ratio[tx]) : + (cs42xx8_ratios[i].ratio[fm[tx]] == ratio[tx])) && + cs42xx8->sysclk >= cs42xx8_ratios[i].min_mclk && + cs42xx8->sysclk <= cs42xx8_ratios[i].max_mclk; + + if (!ratio[tx]) + condition1 = true; + + /* Is the ratio[!tx] valid ? */ + condition2 = ((fm[!tx] == CS42XX8_FM_AUTO) ? + (cs42xx8_ratios[i].ratio[0] == ratio[!tx] || + cs42xx8_ratios[i].ratio[1] == ratio[!tx] || + cs42xx8_ratios[i].ratio[2] == ratio[!tx]) : + (cs42xx8_ratios[i].ratio[fm[!tx]] == ratio[!tx])); + + if (!ratio[!tx]) + condition2 = true; + + /* + * Both ratio[tx] and ratio[!tx] is valid, then we get + * a proper MFreq. + */ + if (condition1 && condition2) break; } @@ -273,15 +334,31 @@ static int cs42xx8_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - mask = CS42XX8_FUNCMOD_MFREQ_MASK; - val = cs42xx8_ratios[i].mclk; + cs42xx8->rate[tx] = params_rate(params); - fm = cs42xx8->slave_mode ? CS42XX8_FM_AUTO : cs42xx8_ratios[i].speed; + mask = CS42XX8_FUNCMOD_MFREQ_MASK; + val = cs42xx8_ratios[i].mfreq; regmap_update_bits(cs42xx8->regmap, CS42XX8_FUNCMOD, CS42XX8_FUNCMOD_xC_FM_MASK(tx) | mask, - CS42XX8_FUNCMOD_xC_FM(tx, fm) | val); + CS42XX8_FUNCMOD_xC_FM(tx, fm[tx]) | val); + + return 0; +} + +static int cs42xx8_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct cs42xx8_priv *cs42xx8 = snd_soc_component_get_drvdata(component); + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + /* Clear stored rate */ + cs42xx8->rate[tx] = 0; + + regmap_update_bits(cs42xx8->regmap, CS42XX8_FUNCMOD, + CS42XX8_FUNCMOD_xC_FM_MASK(tx), + CS42XX8_FUNCMOD_xC_FM(tx, CS42XX8_FM_AUTO)); return 0; } @@ -302,6 +379,7 @@ static const struct snd_soc_dai_ops cs42xx8_dai_ops = { .set_fmt = cs42xx8_set_dai_fmt, .set_sysclk = cs42xx8_set_dai_sysclk, .hw_params = cs42xx8_hw_params, + .hw_free = cs42xx8_hw_free, .digital_mute = cs42xx8_digital_mute, }; diff --git a/sound/soc/codecs/max98357a.c b/sound/soc/codecs/max98357a.c index 6f0e28f903bf..16313b973eaa 100644 --- a/sound/soc/codecs/max98357a.c +++ b/sound/soc/codecs/max98357a.c @@ -20,20 +20,10 @@ #include <sound/soc-dapm.h> struct max98357a_priv { - struct delayed_work enable_sdmode_work; struct gpio_desc *sdmode; unsigned int sdmode_delay; }; -static void max98357a_enable_sdmode_work(struct work_struct *work) -{ - struct max98357a_priv *max98357a = - container_of(work, struct max98357a_priv, - enable_sdmode_work.work); - - gpiod_set_value(max98357a->sdmode, 1); -} - static int max98357a_daiops_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { @@ -46,14 +36,12 @@ static int max98357a_daiops_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - queue_delayed_work(system_power_efficient_wq, - &max98357a->enable_sdmode_work, - msecs_to_jiffies(max98357a->sdmode_delay)); + mdelay(max98357a->sdmode_delay); + gpiod_set_value(max98357a->sdmode, 1); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - cancel_delayed_work_sync(&max98357a->enable_sdmode_work); gpiod_set_value(max98357a->sdmode, 0); break; } @@ -112,30 +100,25 @@ static int max98357a_platform_probe(struct platform_device *pdev) int ret; max98357a = devm_kzalloc(&pdev->dev, sizeof(*max98357a), GFP_KERNEL); - if (!max98357a) return -ENOMEM; max98357a->sdmode = devm_gpiod_get_optional(&pdev->dev, "sdmode", GPIOD_OUT_LOW); - if (IS_ERR(max98357a->sdmode)) return PTR_ERR(max98357a->sdmode); ret = device_property_read_u32(&pdev->dev, "sdmode-delay", &max98357a->sdmode_delay); - if (ret) { max98357a->sdmode_delay = 0; dev_dbg(&pdev->dev, - "no optional property 'sdmode-delay' found, default: no delay\n"); + "no optional property 'sdmode-delay' found, " + "default: no delay\n"); } dev_set_drvdata(&pdev->dev, max98357a); - INIT_DELAYED_WORK(&max98357a->enable_sdmode_work, - max98357a_enable_sdmode_work); - return devm_snd_soc_register_component(&pdev->dev, &max98357a_component_driver, &max98357a_dai_driver, 1); diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c index 528695cd6a1c..8c601a3ebc27 100644 --- a/sound/soc/codecs/max98373.c +++ b/sound/soc/codecs/max98373.c @@ -267,6 +267,12 @@ static int max98373_dai_hw_params(struct snd_pcm_substream *substream, case 48000: sampling_rate = MAX98373_PCM_SR_SET1_SR_48000; break; + case 88200: + sampling_rate = MAX98373_PCM_SR_SET1_SR_88200; + break; + case 96000: + sampling_rate = MAX98373_PCM_SR_SET1_SR_96000; + break; default: dev_err(component->dev, "rate %d not supported\n", params_rate(params)); diff --git a/sound/soc/codecs/max98373.h b/sound/soc/codecs/max98373.h index f6a37aa02f26..a59e51355a84 100644 --- a/sound/soc/codecs/max98373.h +++ b/sound/soc/codecs/max98373.h @@ -130,6 +130,8 @@ #define MAX98373_PCM_SR_SET1_SR_32000 (0x6 << 0) #define MAX98373_PCM_SR_SET1_SR_44100 (0x7 << 0) #define MAX98373_PCM_SR_SET1_SR_48000 (0x8 << 0) +#define MAX98373_PCM_SR_SET1_SR_88200 (0x9 << 0) +#define MAX98373_PCM_SR_SET1_SR_96000 (0xA << 0) /* MAX98373_R2028_PCM_SR_SETUP_2 */ #define MAX98373_PCM_SR_SET2_SR_MASK (0xF << 4) diff --git a/sound/soc/codecs/pcm3060-i2c.c b/sound/soc/codecs/pcm3060-i2c.c index cdc8314882bc..abcdeb922201 100644 --- a/sound/soc/codecs/pcm3060-i2c.c +++ b/sound/soc/codecs/pcm3060-i2c.c @@ -2,7 +2,7 @@ // // PCM3060 I2C driver // -// Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.tech> +// Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.com> #include <linux/i2c.h> #include <linux/module.h> @@ -56,5 +56,5 @@ static struct i2c_driver pcm3060_i2c_driver = { module_i2c_driver(pcm3060_i2c_driver); MODULE_DESCRIPTION("PCM3060 I2C driver"); -MODULE_AUTHOR("Kirill Marinushkin <kmarinushkin@birdec.tech>"); +MODULE_AUTHOR("Kirill Marinushkin <kmarinushkin@birdec.com>"); MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/codecs/pcm3060-spi.c b/sound/soc/codecs/pcm3060-spi.c index f6f19fa80932..3b79734b832b 100644 --- a/sound/soc/codecs/pcm3060-spi.c +++ b/sound/soc/codecs/pcm3060-spi.c @@ -2,7 +2,7 @@ // // PCM3060 SPI driver // -// Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.tech> +// Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.com> #include <linux/module.h> #include <linux/spi/spi.h> @@ -55,5 +55,5 @@ static struct spi_driver pcm3060_spi_driver = { module_spi_driver(pcm3060_spi_driver); MODULE_DESCRIPTION("PCM3060 SPI driver"); -MODULE_AUTHOR("Kirill Marinushkin <kmarinushkin@birdec.tech>"); +MODULE_AUTHOR("Kirill Marinushkin <kmarinushkin@birdec.com>"); MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/codecs/pcm3060.c b/sound/soc/codecs/pcm3060.c index 32b26f1c2282..b2358069cf9b 100644 --- a/sound/soc/codecs/pcm3060.c +++ b/sound/soc/codecs/pcm3060.c @@ -2,7 +2,7 @@ // // PCM3060 codec driver // -// Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.tech> +// Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.com> #include <linux/module.h> #include <sound/pcm_params.h> @@ -342,5 +342,5 @@ int pcm3060_probe(struct device *dev) EXPORT_SYMBOL(pcm3060_probe); MODULE_DESCRIPTION("PCM3060 codec driver"); -MODULE_AUTHOR("Kirill Marinushkin <kmarinushkin@birdec.tech>"); +MODULE_AUTHOR("Kirill Marinushkin <kmarinushkin@birdec.com>"); MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/codecs/pcm3060.h b/sound/soc/codecs/pcm3060.h index 75931c9a9d85..18d51e5dac2c 100644 --- a/sound/soc/codecs/pcm3060.h +++ b/sound/soc/codecs/pcm3060.h @@ -2,7 +2,7 @@ /* * PCM3060 codec driver * - * Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.tech> + * Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.com> */ #ifndef _SND_SOC_PCM3060_H diff --git a/sound/soc/codecs/rt1011.c b/sound/soc/codecs/rt1011.c index 5605b660f4bf..0a6ff13d76e1 100644 --- a/sound/soc/codecs/rt1011.c +++ b/sound/soc/codecs/rt1011.c @@ -39,7 +39,7 @@ static const struct reg_sequence init_list[] = { { RT1011_POWER_9, 0xa840 }, { RT1011_ADC_SET_5, 0x0a20 }, - { RT1011_DAC_SET_2, 0xa232 }, + { RT1011_DAC_SET_2, 0xa032 }, { RT1011_ADC_SET_1, 0x2925 }, { RT1011_SPK_PRO_DC_DET_1, 0xb00c }, @@ -1917,7 +1917,7 @@ static int rt1011_set_bias_level(struct snd_soc_component *component, snd_soc_component_write(component, RT1011_SYSTEM_RESET_2, 0x0000); snd_soc_component_write(component, - RT1011_SYSTEM_RESET_3, 0x0000); + RT1011_SYSTEM_RESET_3, 0x0001); snd_soc_component_write(component, RT1011_SYSTEM_RESET_1, 0x003f); snd_soc_component_write(component, diff --git a/sound/soc/codecs/rt1308.c b/sound/soc/codecs/rt1308.c index d673506c7c39..d673506c7c39 100755..100644 --- a/sound/soc/codecs/rt1308.c +++ b/sound/soc/codecs/rt1308.c diff --git a/sound/soc/codecs/rt1308.h b/sound/soc/codecs/rt1308.h index c330aae1d527..c330aae1d527 100755..100644 --- a/sound/soc/codecs/rt1308.h +++ b/sound/soc/codecs/rt1308.h diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 30a4e8399ec3..288df245b2f0 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -63,6 +63,7 @@ static int graph_get_dai_id(struct device_node *ep) struct device_node *endpoint; struct of_endpoint info; int i, id; + const u32 *reg; int ret; /* use driver specified DAI ID if exist */ @@ -83,8 +84,9 @@ static int graph_get_dai_id(struct device_node *ep) return info.id; node = of_get_parent(ep); + reg = of_get_property(node, "reg", NULL); of_node_put(node); - if (of_get_property(node, "reg", NULL)) + if (reg) return info.port; } node = of_graph_get_port_parent(ep); @@ -208,10 +210,6 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, dev_dbg(dev, "link_of DPCM (%pOF)\n", ep); - of_node_put(ports); - of_node_put(port); - of_node_put(node); - if (li->cpu) { int is_single_links = 0; @@ -229,17 +227,17 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, ret = asoc_simple_parse_cpu(ep, dai_link, &is_single_links); if (ret) - return ret; + goto out_put_node; ret = asoc_simple_parse_clk_cpu(dev, ep, dai_link, dai); if (ret < 0) - return ret; + goto out_put_node; ret = asoc_simple_set_dailink_name(dev, dai_link, "fe.%s", cpus->dai_name); if (ret < 0) - return ret; + goto out_put_node; /* card->num_links includes Codec */ asoc_simple_canonicalize_cpu(dai_link, is_single_links); @@ -263,17 +261,17 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, ret = asoc_simple_parse_codec(ep, dai_link); if (ret < 0) - return ret; + goto out_put_node; ret = asoc_simple_parse_clk_codec(dev, ep, dai_link, dai); if (ret < 0) - return ret; + goto out_put_node; ret = asoc_simple_set_dailink_name(dev, dai_link, "be.%s", codecs->dai_name); if (ret < 0) - return ret; + goto out_put_node; /* check "prefix" from top node */ snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node, @@ -293,19 +291,23 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, ret = asoc_simple_parse_tdm(ep, dai); if (ret) - return ret; + goto out_put_node; ret = asoc_simple_parse_daifmt(dev, cpu_ep, codec_ep, NULL, &dai_link->dai_fmt); if (ret < 0) - return ret; + goto out_put_node; dai_link->dpcm_playback = 1; dai_link->dpcm_capture = 1; dai_link->ops = &graph_ops; dai_link->init = asoc_simple_dai_init; - return 0; +out_put_node: + of_node_put(ports); + of_node_put(port); + of_node_put(node); + return ret; } static int graph_dai_link_of(struct asoc_simple_priv *priv, diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index ac8678fe55ff..556b1a789629 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -349,6 +349,13 @@ void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link) /* Assumes platform == cpu */ if (!dai_link->platforms->of_node) dai_link->platforms->of_node = dai_link->cpus->of_node; + + /* + * DPCM BE can be no platform. + * Alloced memory will be waste, but not leak. + */ + if (!dai_link->platforms->of_node) + dai_link->num_platforms = 0; } EXPORT_SYMBOL_GPL(asoc_simple_canonicalize_platform); diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index e5cde0d5e63c..ef849151ba56 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -124,8 +124,6 @@ static int simple_dai_link_of_dpcm(struct asoc_simple_priv *priv, li->link++; - of_node_put(node); - /* For single DAI link & old style of DT node */ if (is_top) prefix = PREFIX; @@ -147,17 +145,17 @@ static int simple_dai_link_of_dpcm(struct asoc_simple_priv *priv, ret = asoc_simple_parse_cpu(np, dai_link, &is_single_links); if (ret) - return ret; + goto out_put_node; ret = asoc_simple_parse_clk_cpu(dev, np, dai_link, dai); if (ret < 0) - return ret; + goto out_put_node; ret = asoc_simple_set_dailink_name(dev, dai_link, "fe.%s", cpus->dai_name); if (ret < 0) - return ret; + goto out_put_node; asoc_simple_canonicalize_cpu(dai_link, is_single_links); } else { @@ -180,17 +178,17 @@ static int simple_dai_link_of_dpcm(struct asoc_simple_priv *priv, ret = asoc_simple_parse_codec(np, dai_link); if (ret < 0) - return ret; + goto out_put_node; ret = asoc_simple_parse_clk_codec(dev, np, dai_link, dai); if (ret < 0) - return ret; + goto out_put_node; ret = asoc_simple_set_dailink_name(dev, dai_link, "be.%s", codecs->dai_name); if (ret < 0) - return ret; + goto out_put_node; /* check "prefix" from top node */ snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node, @@ -208,19 +206,21 @@ static int simple_dai_link_of_dpcm(struct asoc_simple_priv *priv, ret = asoc_simple_parse_tdm(np, dai); if (ret) - return ret; + goto out_put_node; ret = asoc_simple_parse_daifmt(dev, node, codec, prefix, &dai_link->dai_fmt); if (ret < 0) - return ret; + goto out_put_node; dai_link->dpcm_playback = 1; dai_link->dpcm_capture = 1; dai_link->ops = &simple_ops; dai_link->init = asoc_simple_dai_init; - return 0; +out_put_node: + of_node_put(node); + return ret; } static int simple_dai_link_of(struct asoc_simple_priv *priv, @@ -364,8 +364,6 @@ static int simple_for_each_link(struct asoc_simple_priv *priv, goto error; } - of_node_put(codec); - /* get convert-xxx property */ memset(&adata, 0, sizeof(adata)); for_each_child_of_node(node, np) @@ -387,11 +385,13 @@ static int simple_for_each_link(struct asoc_simple_priv *priv, ret = func_noml(priv, np, codec, li, is_top); if (ret < 0) { + of_node_put(codec); of_node_put(np); goto error; } } + of_node_put(codec); node = of_get_next_child(top, node); } while (!is_top && node); diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c index fac09be3cade..46612331f5ea 100644 --- a/sound/soc/intel/boards/bytcht_es8316.c +++ b/sound/soc/intel/boards/bytcht_es8316.c @@ -437,6 +437,14 @@ static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = { /* Please keep this list alphabetically sorted */ static const struct dmi_system_id byt_cht_es8316_quirk_table[] = { + { /* Irbis NB41 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"), + DMI_MATCH(DMI_PRODUCT_NAME, "NB41"), + }, + .driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN2_MAP + | BYT_CHT_ES8316_JD_INVERTED), + }, { /* Teclast X98 Plus II */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"), diff --git a/sound/soc/intel/common/soc-acpi-intel-bxt-match.c b/sound/soc/intel/common/soc-acpi-intel-bxt-match.c index 229e39586868..4a5adae1d785 100644 --- a/sound/soc/intel/common/soc-acpi-intel-bxt-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-bxt-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * soc-apci-intel-bxt-match.c - tables and support for BXT ACPI enumeration. + * soc-acpi-intel-bxt-match.c - tables and support for BXT ACPI enumeration. * * Copyright (c) 2018, Intel Corporation. * diff --git a/sound/soc/intel/common/soc-acpi-intel-byt-match.c b/sound/soc/intel/common/soc-acpi-intel-byt-match.c index b94b482ac34f..1cc801ba92eb 100644 --- a/sound/soc/intel/common/soc-acpi-intel-byt-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-byt-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * soc-apci-intel-byt-match.c - tables and support for BYT ACPI enumeration. + * soc-acpi-intel-byt-match.c - tables and support for BYT ACPI enumeration. * * Copyright (c) 2017, Intel Corporation. */ diff --git a/sound/soc/intel/common/soc-acpi-intel-cht-match.c b/sound/soc/intel/common/soc-acpi-intel-cht-match.c index b7f11f6be1cf..d0fb43c2b9f6 100644 --- a/sound/soc/intel/common/soc-acpi-intel-cht-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-cht-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * soc-apci-intel-cht-match.c - tables and support for CHT ACPI enumeration. + * soc-acpi-intel-cht-match.c - tables and support for CHT ACPI enumeration. * * Copyright (c) 2017, Intel Corporation. */ diff --git a/sound/soc/intel/common/soc-acpi-intel-cnl-match.c b/sound/soc/intel/common/soc-acpi-intel-cnl-match.c index c36c0aa4f683..771b0ef21051 100644 --- a/sound/soc/intel/common/soc-acpi-intel-cnl-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-cnl-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * soc-apci-intel-cnl-match.c - tables and support for CNL ACPI enumeration. + * soc-acpi-intel-cnl-match.c - tables and support for CNL ACPI enumeration. * * Copyright (c) 2018, Intel Corporation. * diff --git a/sound/soc/intel/common/soc-acpi-intel-glk-match.c b/sound/soc/intel/common/soc-acpi-intel-glk-match.c index 616eb09e78a0..60dea358fa04 100644 --- a/sound/soc/intel/common/soc-acpi-intel-glk-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-glk-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * soc-apci-intel-glk-match.c - tables and support for GLK ACPI enumeration. + * soc-acpi-intel-glk-match.c - tables and support for GLK ACPI enumeration. * * Copyright (c) 2018, Intel Corporation. * diff --git a/sound/soc/intel/common/soc-acpi-intel-hda-match.c b/sound/soc/intel/common/soc-acpi-intel-hda-match.c index 68ae43f7b4b2..cc972d2ac691 100644 --- a/sound/soc/intel/common/soc-acpi-intel-hda-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-hda-match.c @@ -2,7 +2,7 @@ // Copyright (c) 2018, Intel Corporation. /* - * soc-apci-intel-hda-match.c - tables and support for HDA+ACPI enumeration. + * soc-acpi-intel-hda-match.c - tables and support for HDA+ACPI enumeration. * */ diff --git a/sound/soc/intel/common/soc-acpi-intel-hsw-bdw-match.c b/sound/soc/intel/common/soc-acpi-intel-hsw-bdw-match.c index d27853e7a369..34eb0baaa951 100644 --- a/sound/soc/intel/common/soc-acpi-intel-hsw-bdw-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-hsw-bdw-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * soc-apci-intel-hsw-bdw-match.c - tables and support for ACPI enumeration. + * soc-acpi-intel-hsw-bdw-match.c - tables and support for ACPI enumeration. * * Copyright (c) 2017, Intel Corporation. */ diff --git a/sound/soc/intel/common/soc-acpi-intel-icl-match.c b/sound/soc/intel/common/soc-acpi-intel-icl-match.c index 0b430b9b3673..38977669b576 100644 --- a/sound/soc/intel/common/soc-acpi-intel-icl-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-icl-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * soc-apci-intel-icl-match.c - tables and support for ICL ACPI enumeration. + * soc-acpi-intel-icl-match.c - tables and support for ICL ACPI enumeration. * * Copyright (c) 2018, Intel Corporation. * diff --git a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c index 4b331058e807..e200baa11011 100644 --- a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * soc-apci-intel-kbl-match.c - tables and support for KBL ACPI enumeration. + * soc-acpi-intel-kbl-match.c - tables and support for KBL ACPI enumeration. * * Copyright (c) 2018, Intel Corporation. * diff --git a/sound/soc/intel/common/soc-acpi-intel-skl-match.c b/sound/soc/intel/common/soc-acpi-intel-skl-match.c index 0c9c0edd35b3..42fa40a8d932 100644 --- a/sound/soc/intel/common/soc-acpi-intel-skl-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-skl-match.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * soc-apci-intel-skl-match.c - tables and support for SKL ACPI enumeration. + * soc-acpi-intel-skl-match.c - tables and support for SKL ACPI enumeration. * * Copyright (c) 2018, Intel Corporation. * diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c index f60a71990f66..ac75838bbfab 100644 --- a/sound/soc/qcom/apq8016_sbc.c +++ b/sound/soc/qcom/apq8016_sbc.c @@ -150,17 +150,17 @@ static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card) link = data->dai_link; - dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL); - if (!dlc) - return ERR_PTR(-ENOMEM); + for_each_child_of_node(node, np) { + dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL); + if (!dlc) + return ERR_PTR(-ENOMEM); - link->cpus = &dlc[0]; - link->platforms = &dlc[1]; + link->cpus = &dlc[0]; + link->platforms = &dlc[1]; - link->num_cpus = 1; - link->num_platforms = 1; + link->num_cpus = 1; + link->num_platforms = 1; - for_each_child_of_node(node, np) { cpu = of_get_child_by_name(np, "cpu"); codec = of_get_child_by_name(np, "codec"); diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 0a34d0eb8dba..88ebaf6e1880 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -326,7 +326,6 @@ static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream, val |= I2S_CHN_4; break; case 2: - case 1: val |= I2S_CHN_2; break; default: @@ -459,7 +458,7 @@ static struct snd_soc_dai_driver rockchip_i2s_dai = { }, .capture = { .stream_name = "Capture", - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S8 | @@ -659,7 +658,7 @@ static int rockchip_i2s_probe(struct platform_device *pdev) } if (!of_property_read_u32(node, "rockchip,capture-channels", &val)) { - if (val >= 1 && val <= 8) + if (val >= 2 && val <= 8) soc_dai->capture.channels_max = val; } diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c index c5fc24675a33..782e534d4c0d 100644 --- a/sound/soc/rockchip/rockchip_max98090.c +++ b/sound/soc/rockchip/rockchip_max98090.c @@ -61,6 +61,37 @@ static const struct snd_kcontrol_new rk_mc_controls[] = { SOC_DAPM_PIN_SWITCH("Speaker"), }; +static int rk_jack_event(struct notifier_block *nb, unsigned long event, + void *data) +{ + struct snd_soc_jack *jack = (struct snd_soc_jack *)data; + struct snd_soc_dapm_context *dapm = &jack->card->dapm; + + if (event & SND_JACK_MICROPHONE) + snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); + else + snd_soc_dapm_disable_pin(dapm, "MICBIAS"); + + snd_soc_dapm_sync(dapm); + + return 0; +} + +static struct notifier_block rk_jack_nb = { + .notifier_call = rk_jack_event, +}; + +static int rk_init(struct snd_soc_pcm_runtime *runtime) +{ + /* + * The jack has already been created in the rk_98090_headset_init() + * function. + */ + snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb); + + return 0; +} + static int rk_aif1_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -119,6 +150,7 @@ SND_SOC_DAILINK_DEFS(hifi, static struct snd_soc_dai_link rk_dailink = { .name = "max98090", .stream_name = "Audio", + .init = rk_init, .ops = &rk_aif1_ops, /* set max98090 as slave */ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index dfb6e460e7eb..f0f5fa9c27d3 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -284,9 +284,8 @@ static int odroid_audio_probe(struct platform_device *pdev) } of_node_put(cpu); - of_node_put(codec); if (ret < 0) - return ret; + goto err_put_node; ret = snd_soc_of_get_dai_link_codecs(dev, codec, codec_link); if (ret < 0) @@ -309,7 +308,6 @@ static int odroid_audio_probe(struct platform_device *pdev) ret = PTR_ERR(priv->clk_i2s_bus); goto err_put_sclk; } - of_node_put(cpu_dai); ret = devm_snd_soc_register_card(dev, card); if (ret < 0) { @@ -317,6 +315,8 @@ static int odroid_audio_probe(struct platform_device *pdev) goto err_put_clk_i2s; } + of_node_put(cpu_dai); + of_node_put(codec); return 0; err_put_clk_i2s: @@ -326,6 +326,8 @@ err_put_sclk: err_put_cpu_dai: of_node_put(cpu_dai); snd_soc_of_put_dai_link_codecs(codec_link); +err_put_node: + of_node_put(codec); return ret; } diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index fd6eaae6c0ed..44f899b970c2 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1515,8 +1515,11 @@ static int soc_probe_link_dais(struct snd_soc_card *card, } } - if (dai_link->dai_fmt) - snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt); + if (dai_link->dai_fmt) { + ret = snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt); + if (ret) + return ret; + } ret = soc_post_component_init(rtd, dai_link->name); if (ret) diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index f013b24c050a..2790c00735f3 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1157,8 +1157,8 @@ static __always_inline int is_connected_ep(struct snd_soc_dapm_widget *widget, list_add_tail(&widget->work_list, list); if (custom_stop_condition && custom_stop_condition(widget, dir)) { - widget->endpoints[dir] = 1; - return widget->endpoints[dir]; + list = NULL; + custom_stop_condition = NULL; } if ((widget->is_ep & SND_SOC_DAPM_DIR_TO_EP(dir)) && widget->connected) { @@ -1195,8 +1195,8 @@ static __always_inline int is_connected_ep(struct snd_soc_dapm_widget *widget, * * Optionally, can be supplied with a function acting as a stopping condition. * This function takes the dapm widget currently being examined and the walk - * direction as an arguments, it should return true if the walk should be - * stopped and false otherwise. + * direction as an arguments, it should return true if widgets from that point + * in the graph onwards should not be added to the widget list. */ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget, struct list_head *list, @@ -3706,6 +3706,8 @@ request_failed: dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n", w->name, ret); + kfree_const(w->sname); + kfree(w); return ERR_PTR(ret); } diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c index f2b392998f20..ffd8d4394537 100644 --- a/sound/soc/sof/intel/cnl.c +++ b/sound/soc/sof/intel/cnl.c @@ -101,8 +101,8 @@ static irqreturn_t cnl_ipc_irq_thread(int irq, void *context) /* * This interrupt is not shared so no need to return IRQ_NONE. */ - dev_err_ratelimited(sdev->dev, - "error: nothing to do in IRQ thread\n"); + dev_dbg_ratelimited(sdev->dev, + "nothing to do in IPC IRQ thread\n"); } /* re-enable IPC interrupt */ diff --git a/sound/soc/sof/intel/hda-ipc.c b/sound/soc/sof/intel/hda-ipc.c index 50244b82600c..2ecba91f5219 100644 --- a/sound/soc/sof/intel/hda-ipc.c +++ b/sound/soc/sof/intel/hda-ipc.c @@ -224,8 +224,8 @@ irqreturn_t hda_dsp_ipc_irq_thread(int irq, void *context) /* * This interrupt is not shared so no need to return IRQ_NONE. */ - dev_err_ratelimited(sdev->dev, - "error: nothing to do in IRQ thread\n"); + dev_dbg_ratelimited(sdev->dev, + "nothing to do in IPC IRQ thread\n"); } /* re-enable IPC interrupt */ diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 9b2232908b65..7fa5c61169db 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -1002,8 +1002,8 @@ static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = { .field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31), .field_txchansel = REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2), .field_rxchansel = REG_FIELD(SUN4I_I2S_RX_CHAN_SEL_REG, 0, 2), - .get_sr = sun8i_i2s_get_sr_wss, - .get_wss = sun8i_i2s_get_sr_wss, + .get_sr = sun4i_i2s_get_sr, + .get_wss = sun4i_i2s_get_wss, }; static int sun4i_i2s_init_regmap_fields(struct device *dev, diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c index ac59b509ead5..bc7bf15ed7a4 100644 --- a/sound/soc/ti/davinci-mcasp.c +++ b/sound/soc/ti/davinci-mcasp.c @@ -195,7 +195,7 @@ static inline void mcasp_set_axr_pdir(struct davinci_mcasp *mcasp, bool enable) { u32 bit; - for_each_set_bit(bit, &mcasp->pdir, PIN_BIT_AFSR) { + for_each_set_bit(bit, &mcasp->pdir, PIN_BIT_AMUTE) { if (enable) mcasp_set_bits(mcasp, DAVINCI_MCASP_PDIR_REG, BIT(bit)); else @@ -223,6 +223,7 @@ static void mcasp_start_rx(struct davinci_mcasp *mcasp) if (mcasp_is_synchronous(mcasp)) { mcasp_set_ctl_reg(mcasp, DAVINCI_MCASP_GBLCTLX_REG, TXHCLKRST); mcasp_set_ctl_reg(mcasp, DAVINCI_MCASP_GBLCTLX_REG, TXCLKRST); + mcasp_set_clk_pdir(mcasp, true); } /* Activate serializer(s) */ @@ -1256,6 +1257,28 @@ static int davinci_mcasp_trigger(struct snd_pcm_substream *substream, return ret; } +static int davinci_mcasp_hw_rule_slot_width(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct davinci_mcasp_ruledata *rd = rule->private; + struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + struct snd_mask nfmt; + int i, slot_width; + + snd_mask_none(&nfmt); + slot_width = rd->mcasp->slot_width; + + for (i = 0; i <= SNDRV_PCM_FORMAT_LAST; i++) { + if (snd_mask_test(fmt, i)) { + if (snd_pcm_format_width(i) <= slot_width) { + snd_mask_set(&nfmt, i); + } + } + } + + return snd_mask_refine(fmt, &nfmt); +} + static const unsigned int davinci_mcasp_dai_rates[] = { 8000, 11025, 16000, 22050, 32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000, @@ -1377,7 +1400,7 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream, struct davinci_mcasp_ruledata *ruledata = &mcasp->ruledata[substream->stream]; u32 max_channels = 0; - int i, dir; + int i, dir, ret; int tdm_slots = mcasp->tdm_slots; /* Do not allow more then one stream per direction */ @@ -1406,6 +1429,7 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream, max_channels++; } ruledata->serializers = max_channels; + ruledata->mcasp = mcasp; max_channels *= tdm_slots; /* * If the already active stream has less channels than the calculated @@ -1431,20 +1455,22 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &mcasp->chconstr[substream->stream]); - if (mcasp->slot_width) - snd_pcm_hw_constraint_minmax(substream->runtime, - SNDRV_PCM_HW_PARAM_SAMPLE_BITS, - 8, mcasp->slot_width); + if (mcasp->slot_width) { + /* Only allow formats require <= slot_width bits on the bus */ + ret = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_FORMAT, + davinci_mcasp_hw_rule_slot_width, + ruledata, + SNDRV_PCM_HW_PARAM_FORMAT, -1); + if (ret) + return ret; + } /* * If we rely on implicit BCLK divider setting we should * set constraints based on what we can provide. */ if (mcasp->bclk_master && mcasp->bclk_div == 0 && mcasp->sysclk_freq) { - int ret; - - ruledata->mcasp = mcasp; - ret = snd_pcm_hw_rule_add(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, davinci_mcasp_hw_rule_rate, diff --git a/sound/sound_core.c b/sound/sound_core.c index b730d97c4de6..90d118cd9164 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -275,7 +275,8 @@ retry: goto retry; } spin_unlock(&sound_loader_lock); - return -EBUSY; + r = -EBUSY; + goto fail; } } diff --git a/sound/usb/helper.c b/sound/usb/helper.c index 71d5f540334a..4c12cc5b53fd 100644 --- a/sound/usb/helper.c +++ b/sound/usb/helper.c @@ -72,7 +72,7 @@ int snd_usb_pipe_sanity_check(struct usb_device *dev, unsigned int pipe) struct usb_host_endpoint *ep; ep = usb_pipe_endpoint(dev, pipe); - if (usb_pipetype(pipe) != pipetypes[usb_endpoint_type(&ep->desc)]) + if (!ep || usb_pipetype(pipe) != pipetypes[usb_endpoint_type(&ep->desc)]) return -EINVAL; return 0; } diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c index 14fc1e1d5d13..c406497c5919 100644 --- a/sound/usb/hiface/pcm.c +++ b/sound/usb/hiface/pcm.c @@ -600,14 +600,13 @@ int hiface_pcm_init(struct hiface_chip *chip, u8 extra_freq) ret = hiface_pcm_init_urb(&rt->out_urbs[i], chip, OUT_EP, hiface_pcm_out_urb_handler); if (ret < 0) - return ret; + goto error; } ret = snd_pcm_new(chip->card, "USB-SPDIF Audio", 0, 1, 0, &pcm); if (ret < 0) { - kfree(rt); dev_err(&chip->dev->dev, "Cannot create pcm instance\n"); - return ret; + goto error; } pcm->private_data = rt; @@ -620,4 +619,10 @@ int hiface_pcm_init(struct hiface_chip *chip, u8 extra_freq) chip->pcm = rt; return 0; + +error: + for (i = 0; i < PCM_N_URBS; i++) + kfree(rt->out_urbs[i].buffer); + kfree(rt); + return ret; } diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 7ee9d17d0143..e852c7fd6109 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -1043,6 +1043,7 @@ found_clock: pd = kzalloc(sizeof(*pd), GFP_KERNEL); if (!pd) { + kfree(fp->chmap); kfree(fp->rate_table); kfree(fp); return NULL; diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index 467224feb43b..d821107f55f9 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) /* Copyright (c) 2018 Facebook */ +#include <endian.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -419,9 +420,9 @@ done: static bool btf_check_endianness(const GElf_Ehdr *ehdr) { -#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +#if __BYTE_ORDER == __LITTLE_ENDIAN return ehdr->e_ident[EI_DATA] == ELFDATA2LSB; -#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +#elif __BYTE_ORDER == __BIG_ENDIAN return ehdr->e_ident[EI_DATA] == ELFDATA2MSB; #else # error "Unrecognized __BYTE_ORDER__" diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 794dd5064ae8..2586b6cb8f34 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -20,6 +20,7 @@ #include <inttypes.h> #include <string.h> #include <unistd.h> +#include <endian.h> #include <fcntl.h> #include <errno.h> #include <asm/unistd.h> @@ -612,10 +613,10 @@ errout: static int bpf_object__check_endianness(struct bpf_object *obj) { -#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +#if __BYTE_ORDER == __LITTLE_ENDIAN if (obj->efile.ehdr.e_ident[EI_DATA] == ELFDATA2LSB) return 0; -#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +#elif __BYTE_ORDER == __BIG_ENDIAN if (obj->efile.ehdr.e_ident[EI_DATA] == ELFDATA2MSB) return 0; #else @@ -1377,8 +1378,13 @@ static void bpf_object__sanitize_btf(struct bpf_object *obj) if (!has_datasec && kind == BTF_KIND_VAR) { /* replace VAR with INT */ t->info = BTF_INFO_ENC(BTF_KIND_INT, 0, 0); - t->size = sizeof(int); - *(int *)(t+1) = BTF_INT_ENC(0, 0, 32); + /* + * using size = 1 is the safest choice, 4 will be too + * big and cause kernel BTF validation failure if + * original variable took less than 4 bytes + */ + t->size = 1; + *(int *)(t+1) = BTF_INT_ENC(0, 0, 8); } else if (!has_datasec && kind == BTF_KIND_DATASEC) { /* replace DATASEC with STRUCT */ struct btf_var_secinfo *v = (void *)(t + 1); @@ -1500,6 +1506,12 @@ static int bpf_object__sanitize_and_load_btf(struct bpf_object *obj) BTF_ELF_SEC, err); btf__free(obj->btf); obj->btf = NULL; + /* btf_ext can't exist without btf, so free it as well */ + if (obj->btf_ext) { + btf_ext__free(obj->btf_ext); + obj->btf_ext = NULL; + } + if (bpf_object__is_btf_mandatory(obj)) return err; } @@ -4507,13 +4519,13 @@ struct perf_buffer *perf_buffer__new(int map_fd, size_t page_cnt, const struct perf_buffer_opts *opts) { struct perf_buffer_params p = {}; - struct perf_event_attr attr = { - .config = PERF_COUNT_SW_BPF_OUTPUT, - .type = PERF_TYPE_SOFTWARE, - .sample_type = PERF_SAMPLE_RAW, - .sample_period = 1, - .wakeup_events = 1, - }; + struct perf_event_attr attr = { 0, }; + + attr.config = PERF_COUNT_SW_BPF_OUTPUT, + attr.type = PERF_TYPE_SOFTWARE; + attr.sample_type = PERF_SAMPLE_RAW; + attr.sample_period = 1; + attr.wakeup_events = 1; p.attr = &attr; p.sample_cb = opts ? opts->sample_cb : NULL; diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index 5007b5d4fd2c..680e63066cf3 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -317,17 +317,16 @@ static int xsk_load_xdp_prog(struct xsk_socket *xsk) static int xsk_get_max_queues(struct xsk_socket *xsk) { - struct ethtool_channels channels; - struct ifreq ifr; + struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS }; + struct ifreq ifr = {}; int fd, err, ret; fd = socket(AF_INET, SOCK_DGRAM, 0); if (fd < 0) return -errno; - channels.cmd = ETHTOOL_GCHANNELS; ifr.ifr_data = (void *)&channels; - strncpy(ifr.ifr_name, xsk->ifname, IFNAMSIZ - 1); + memcpy(ifr.ifr_name, xsk->ifname, IFNAMSIZ - 1); ifr.ifr_name[IFNAMSIZ - 1] = '\0'; err = ioctl(fd, SIOCETHTOOL, &ifr); if (err && errno != EOPNOTSUPP) { @@ -335,7 +334,7 @@ static int xsk_get_max_queues(struct xsk_socket *xsk) goto out; } - if (channels.max_combined == 0 || errno == EOPNOTSUPP) + if (err || channels.max_combined == 0) /* If the device says it has no channels, then all traffic * is sent to a single stream, so max queues = 1. */ @@ -517,7 +516,7 @@ int xsk_socket__create(struct xsk_socket **xsk_ptr, const char *ifname, err = -errno; goto out_socket; } - strncpy(xsk->ifname, ifname, IFNAMSIZ - 1); + memcpy(xsk->ifname, ifname, IFNAMSIZ - 1); xsk->ifname[IFNAMSIZ - 1] = '\0'; err = xsk_set_xdp_socket_config(&xsk->config, usr_config); diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 11c9c62c3362..c085964e1d05 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -57,7 +57,8 @@ TEST_PROGS := test_kmod.sh \ test_lirc_mode2.sh \ test_skb_cgroup_id.sh \ test_flow_dissector.sh \ - test_xdp_vlan.sh \ + test_xdp_vlan_mode_generic.sh \ + test_xdp_vlan_mode_native.sh \ test_lwt_ip_encap.sh \ test_tcp_check_syncookie.sh \ test_tc_tunnel.sh \ diff --git a/tools/testing/selftests/bpf/progs/sendmsg6_prog.c b/tools/testing/selftests/bpf/progs/sendmsg6_prog.c index 5aeaa284fc47..a68062820410 100644 --- a/tools/testing/selftests/bpf/progs/sendmsg6_prog.c +++ b/tools/testing/selftests/bpf/progs/sendmsg6_prog.c @@ -41,8 +41,7 @@ int sendmsg_v6_prog(struct bpf_sock_addr *ctx) } /* Rewrite destination. */ - if ((ctx->user_ip6[0] & 0xFFFF) == bpf_htons(0xFACE) && - ctx->user_ip6[0] >> 16 == bpf_htons(0xB00C)) { + if (ctx->user_ip6[0] == bpf_htonl(0xFACEB00C)) { ctx->user_ip6[0] = bpf_htonl(DST_REWRITE_IP6_0); ctx->user_ip6[1] = bpf_htonl(DST_REWRITE_IP6_1); ctx->user_ip6[2] = bpf_htonl(DST_REWRITE_IP6_2); diff --git a/tools/testing/selftests/bpf/test_xdp_vlan.sh b/tools/testing/selftests/bpf/test_xdp_vlan.sh index 51a3a31d1aac..bb8b0da91686 100755 --- a/tools/testing/selftests/bpf/test_xdp_vlan.sh +++ b/tools/testing/selftests/bpf/test_xdp_vlan.sh @@ -1,6 +1,14 @@ #!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Author: Jesper Dangaard Brouer <hawk@kernel.org> -TESTNAME=xdp_vlan +# Allow wrapper scripts to name test +if [ -z "$TESTNAME" ]; then + TESTNAME=xdp_vlan +fi + +# Default XDP mode +XDP_MODE=xdpgeneric usage() { echo "Testing XDP + TC eBPF VLAN manipulations: $TESTNAME" @@ -9,9 +17,23 @@ usage() { echo " -v | --verbose : Verbose" echo " --flush : Flush before starting (e.g. after --interactive)" echo " --interactive : Keep netns setup running after test-run" + echo " --mode=XXX : Choose XDP mode (xdp | xdpgeneric | xdpdrv)" echo "" } +valid_xdp_mode() +{ + local mode=$1 + + case "$mode" in + xdpgeneric | xdpdrv | xdp) + return 0 + ;; + *) + return 1 + esac +} + cleanup() { local status=$? @@ -37,7 +59,7 @@ cleanup() # Using external program "getopt" to get --long-options OPTIONS=$(getopt -o hvfi: \ - --long verbose,flush,help,interactive,debug -- "$@") + --long verbose,flush,help,interactive,debug,mode: -- "$@") if (( $? != 0 )); then usage echo "selftests: $TESTNAME [FAILED] Error calling getopt, unknown option?" @@ -60,6 +82,11 @@ while true; do cleanup shift ;; + --mode ) + shift + XDP_MODE=$1 + shift + ;; -- ) shift break @@ -81,8 +108,14 @@ if [ "$EUID" -ne 0 ]; then exit 1 fi -ip link set dev lo xdp off 2>/dev/null > /dev/null -if [ $? -ne 0 ];then +valid_xdp_mode $XDP_MODE +if [ $? -ne 0 ]; then + echo "selftests: $TESTNAME [FAILED] unknown XDP mode ($XDP_MODE)" + exit 1 +fi + +ip link set dev lo xdpgeneric off 2>/dev/null > /dev/null +if [ $? -ne 0 ]; then echo "selftests: $TESTNAME [SKIP] need ip xdp support" exit 0 fi @@ -155,7 +188,7 @@ ip netns exec ns2 ip link set lo up # At this point, the hosts cannot reach each-other, # because ns2 are using VLAN tags on the packets. -ip netns exec ns2 sh -c 'ping -W 1 -c 1 100.64.41.1 || echo "Okay ping fails"' +ip netns exec ns2 sh -c 'ping -W 1 -c 1 100.64.41.1 || echo "Success: First ping must fail"' # Now we can use the test_xdp_vlan.c program to pop/push these VLAN tags @@ -166,7 +199,7 @@ export FILE=test_xdp_vlan.o # First test: Remove VLAN by setting VLAN ID 0, using "xdp_vlan_change" export XDP_PROG=xdp_vlan_change -ip netns exec ns1 ip link set $DEVNS1 xdp object $FILE section $XDP_PROG +ip netns exec ns1 ip link set $DEVNS1 $XDP_MODE object $FILE section $XDP_PROG # In ns1: egress use TC to add back VLAN tag 4011 # (del cmd) @@ -177,8 +210,8 @@ ip netns exec ns1 tc filter add dev $DEVNS1 egress \ prio 1 handle 1 bpf da obj $FILE sec tc_vlan_push # Now the namespaces can reach each-other, test with ping: -ip netns exec ns2 ping -W 2 -c 3 $IPADDR1 -ip netns exec ns1 ping -W 2 -c 3 $IPADDR2 +ip netns exec ns2 ping -i 0.2 -W 2 -c 2 $IPADDR1 +ip netns exec ns1 ping -i 0.2 -W 2 -c 2 $IPADDR2 # Second test: Replace xdp prog, that fully remove vlan header # @@ -187,9 +220,9 @@ ip netns exec ns1 ping -W 2 -c 3 $IPADDR2 # ETH_P_8021Q indication, and this cause overwriting of our changes. # export XDP_PROG=xdp_vlan_remove_outer2 -ip netns exec ns1 ip link set $DEVNS1 xdp off -ip netns exec ns1 ip link set $DEVNS1 xdp object $FILE section $XDP_PROG +ip netns exec ns1 ip link set $DEVNS1 $XDP_MODE off +ip netns exec ns1 ip link set $DEVNS1 $XDP_MODE object $FILE section $XDP_PROG # Now the namespaces should still be able reach each-other, test with ping: -ip netns exec ns2 ping -W 2 -c 3 $IPADDR1 -ip netns exec ns1 ping -W 2 -c 3 $IPADDR2 +ip netns exec ns2 ping -i 0.2 -W 2 -c 2 $IPADDR1 +ip netns exec ns1 ping -i 0.2 -W 2 -c 2 $IPADDR2 diff --git a/tools/testing/selftests/bpf/test_xdp_vlan_mode_generic.sh b/tools/testing/selftests/bpf/test_xdp_vlan_mode_generic.sh new file mode 100755 index 000000000000..c515326d6d59 --- /dev/null +++ b/tools/testing/selftests/bpf/test_xdp_vlan_mode_generic.sh @@ -0,0 +1,9 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Exit on failure +set -e + +# Wrapper script to test generic-XDP +export TESTNAME=xdp_vlan_mode_generic +./test_xdp_vlan.sh --mode=xdpgeneric diff --git a/tools/testing/selftests/bpf/test_xdp_vlan_mode_native.sh b/tools/testing/selftests/bpf/test_xdp_vlan_mode_native.sh new file mode 100755 index 000000000000..5cf7ce1f16c1 --- /dev/null +++ b/tools/testing/selftests/bpf/test_xdp_vlan_mode_native.sh @@ -0,0 +1,9 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Exit on failure +set -e + +# Wrapper script to test native-XDP +export TESTNAME=xdp_vlan_mode_native +./test_xdp_vlan.sh --mode=xdpdrv diff --git a/tools/testing/selftests/bpf/verifier/ctx_skb.c b/tools/testing/selftests/bpf/verifier/ctx_skb.c index b0fda2877119..d438193804b2 100644 --- a/tools/testing/selftests/bpf/verifier/ctx_skb.c +++ b/tools/testing/selftests/bpf/verifier/ctx_skb.c @@ -975,6 +975,17 @@ .prog_type = BPF_PROG_TYPE_CGROUP_SKB, }, { + "read gso_segs from CGROUP_SKB", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, + offsetof(struct __sk_buff, gso_segs)), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_CGROUP_SKB, +}, +{ "write gso_segs from CGROUP_SKB", .insns = { BPF_MOV64_IMM(BPF_REG_0, 0), diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c index 4c223266299a..bdb69599c4bd 100644 --- a/tools/testing/selftests/cgroup/cgroup_util.c +++ b/tools/testing/selftests/cgroup/cgroup_util.c @@ -191,8 +191,7 @@ int cg_find_unified_root(char *root, size_t len) strtok(NULL, delim); strtok(NULL, delim); - if (strcmp(fs, "cgroup") == 0 && - strcmp(type, "cgroup2") == 0) { + if (strcmp(type, "cgroup2") == 0) { strncpy(root, mount, len); return 0; } diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh index 71231ad2dbfb..47315fe48d5a 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh @@ -262,7 +262,7 @@ test_mc_aware() stop_traffic - log_test "UC performace under MC overload" + log_test "UC performance under MC overload" echo "UC-only throughput $(humanize $ucth1)" echo "UC+MC throughput $(humanize $ucth2)" @@ -316,7 +316,7 @@ test_uc_aware() stop_traffic - log_test "MC performace under UC overload" + log_test "MC performance under UC overload" echo " ingress UC throughput $(humanize ${uc_ir})" echo " egress UC throughput $(humanize ${uc_er})" echo " sent $attempts BC ARPs, got $passes responses" diff --git a/tools/testing/selftests/kmod/kmod.sh b/tools/testing/selftests/kmod/kmod.sh index 0a76314b4414..8b944cf042f6 100755 --- a/tools/testing/selftests/kmod/kmod.sh +++ b/tools/testing/selftests/kmod/kmod.sh @@ -28,7 +28,7 @@ # override by exporting to your environment prior running this script. # For instance this script assumes you do not have xfs loaded upon boot. # If this is false, export DEFAULT_KMOD_FS="ext4" prior to running this -# script if the filesyste module you don't have loaded upon bootup +# script if the filesystem module you don't have loaded upon bootup # is ext4 instead. Refer to allow_user_defaults() for a list of user # override variables possible. # @@ -263,7 +263,7 @@ config_get_test_result() config_reset() { if ! echo -n "1" >"$DIR"/reset; then - echo "$0: reset shuld have worked" >&2 + echo "$0: reset should have worked" >&2 exit 1 fi } @@ -488,7 +488,7 @@ usage() echo Example uses: echo echo "${TEST_NAME}.sh -- executes all tests" - echo "${TEST_NAME}.sh -t 0008 -- Executes test ID 0008 number of times is recomended" + echo "${TEST_NAME}.sh -t 0008 -- Executes test ID 0008 number of times is recommended" echo "${TEST_NAME}.sh -w 0008 -- Watch test ID 0008 run until an error occurs" echo "${TEST_NAME}.sh -s 0008 -- Run test ID 0008 once" echo "${TEST_NAME}.sh -c 0008 3 -- Run test ID 0008 three times" diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h index ec15c4f6af55..0ac49d91a260 100644 --- a/tools/testing/selftests/kselftest.h +++ b/tools/testing/selftests/kselftest.h @@ -10,6 +10,7 @@ #ifndef __KSELFTEST_H #define __KSELFTEST_H +#include <errno.h> #include <stdlib.h> #include <unistd.h> #include <stdarg.h> @@ -81,58 +82,68 @@ static inline void ksft_print_cnts(void) static inline void ksft_print_msg(const char *msg, ...) { + int saved_errno = errno; va_list args; va_start(args, msg); printf("# "); + errno = saved_errno; vprintf(msg, args); va_end(args); } static inline void ksft_test_result_pass(const char *msg, ...) { + int saved_errno = errno; va_list args; ksft_cnt.ksft_pass++; va_start(args, msg); printf("ok %d ", ksft_test_num()); + errno = saved_errno; vprintf(msg, args); va_end(args); } static inline void ksft_test_result_fail(const char *msg, ...) { + int saved_errno = errno; va_list args; ksft_cnt.ksft_fail++; va_start(args, msg); printf("not ok %d ", ksft_test_num()); + errno = saved_errno; vprintf(msg, args); va_end(args); } static inline void ksft_test_result_skip(const char *msg, ...) { + int saved_errno = errno; va_list args; ksft_cnt.ksft_xskip++; va_start(args, msg); printf("not ok %d # SKIP ", ksft_test_num()); + errno = saved_errno; vprintf(msg, args); va_end(args); } static inline void ksft_test_result_error(const char *msg, ...) { + int saved_errno = errno; va_list args; ksft_cnt.ksft_error++; va_start(args, msg); printf("not ok %d # error ", ksft_test_num()); + errno = saved_errno; vprintf(msg, args); va_end(args); } @@ -152,10 +163,12 @@ static inline int ksft_exit_fail(void) static inline int ksft_exit_fail_msg(const char *msg, ...) { + int saved_errno = errno; va_list args; va_start(args, msg); printf("Bail out! "); + errno = saved_errno; vprintf(msg, args); va_end(args); @@ -178,10 +191,12 @@ static inline int ksft_exit_xpass(void) static inline int ksft_exit_skip(const char *msg, ...) { if (msg) { + int saved_errno = errno; va_list args; va_start(args, msg); printf("not ok %d # SKIP ", 1 + ksft_test_num()); + errno = saved_errno; vprintf(msg, args); va_end(args); } else { diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore index 41266af0d3dc..b35da375530a 100644 --- a/tools/testing/selftests/kvm/.gitignore +++ b/tools/testing/selftests/kvm/.gitignore @@ -1,7 +1,7 @@ +/s390x/sync_regs_test /x86_64/cr4_cpuid_sync_test /x86_64/evmcs_test /x86_64/hyperv_cpuid -/x86_64/kvm_create_max_vcpus /x86_64/mmio_warning_test /x86_64/platform_info_test /x86_64/set_sregs_test @@ -13,3 +13,4 @@ /x86_64/vmx_tsc_adjust_test /clear_dirty_log_test /dirty_log_test +/kvm_create_max_vcpus diff --git a/tools/testing/selftests/kvm/config b/tools/testing/selftests/kvm/config new file mode 100644 index 000000000000..63ed533f73d6 --- /dev/null +++ b/tools/testing/selftests/kvm/config @@ -0,0 +1,3 @@ +CONFIG_KVM=y +CONFIG_KVM_INTEL=y +CONFIG_KVM_AMD=y diff --git a/tools/testing/selftests/livepatch/functions.sh b/tools/testing/selftests/livepatch/functions.sh index 30195449c63c..79b0affd21fb 100644 --- a/tools/testing/selftests/livepatch/functions.sh +++ b/tools/testing/selftests/livepatch/functions.sh @@ -13,6 +13,14 @@ function log() { echo "$1" > /dev/kmsg } +# skip(msg) - testing can't proceed +# msg - explanation +function skip() { + log "SKIP: $1" + echo "SKIP: $1" >&2 + exit 4 +} + # die(msg) - game over, man # msg - dying words function die() { @@ -21,13 +29,27 @@ function die() { exit 1 } -# set_dynamic_debug() - setup kernel dynamic debug -# TODO - push and pop this config? +function push_dynamic_debug() { + DYNAMIC_DEBUG=$(grep '^kernel/livepatch' /sys/kernel/debug/dynamic_debug/control | \ + awk -F'[: ]' '{print "file " $1 " line " $2 " " $4}') +} + +function pop_dynamic_debug() { + if [[ -n "$DYNAMIC_DEBUG" ]]; then + echo -n "$DYNAMIC_DEBUG" > /sys/kernel/debug/dynamic_debug/control + fi +} + +# set_dynamic_debug() - save the current dynamic debug config and tweak +# it for the self-tests. Set a script exit trap +# that restores the original config. function set_dynamic_debug() { - cat << EOF > /sys/kernel/debug/dynamic_debug/control -file kernel/livepatch/* +p -func klp_try_switch_task -p -EOF + push_dynamic_debug + trap pop_dynamic_debug EXIT INT TERM HUP + cat <<-EOF > /sys/kernel/debug/dynamic_debug/control + file kernel/livepatch/* +p + func klp_try_switch_task -p + EOF } # loop_until(cmd) - loop a command until it is successful or $MAX_RETRIES, @@ -43,6 +65,12 @@ function loop_until() { done } +function assert_mod() { + local mod="$1" + + modprobe --dry-run "$mod" &>/dev/null +} + function is_livepatch_mod() { local mod="$1" @@ -75,6 +103,9 @@ function __load_mod() { function load_mod() { local mod="$1"; shift + assert_mod "$mod" || + skip "unable to load module ${mod}, verify CONFIG_TEST_LIVEPATCH=m and run self-tests as root" + is_livepatch_mod "$mod" && die "use load_lp() to load the livepatch module $mod" @@ -88,6 +119,9 @@ function load_mod() { function load_lp_nowait() { local mod="$1"; shift + assert_mod "$mod" || + skip "unable to load module ${mod}, verify CONFIG_TEST_LIVEPATCH=m and run self-tests as root" + is_livepatch_mod "$mod" || die "module $mod is not a livepatch" diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore index 4ce0bc1612f5..c7cced739c34 100644 --- a/tools/testing/selftests/net/.gitignore +++ b/tools/testing/selftests/net/.gitignore @@ -17,7 +17,7 @@ tcp_inq tls txring_overwrite ip_defrag +ipv6_flowlabel +ipv6_flowlabel_mgr so_txtime -flowlabel -flowlabel_mgr tcp_fastopen_backup_key diff --git a/tools/testing/selftests/net/forwarding/gre_multipath.sh b/tools/testing/selftests/net/forwarding/gre_multipath.sh index cca2baa03fb8..a8d8e8b3dc81 100755 --- a/tools/testing/selftests/net/forwarding/gre_multipath.sh +++ b/tools/testing/selftests/net/forwarding/gre_multipath.sh @@ -93,18 +93,10 @@ sw1_create() ip route add vrf v$ol1 192.0.2.16/28 \ nexthop dev g1a \ nexthop dev g1b - - tc qdisc add dev $ul1 clsact - tc filter add dev $ul1 egress pref 111 prot ipv4 \ - flower dst_ip 192.0.2.66 action pass - tc filter add dev $ul1 egress pref 222 prot ipv4 \ - flower dst_ip 192.0.2.82 action pass } sw1_destroy() { - tc qdisc del dev $ul1 clsact - ip route del vrf v$ol1 192.0.2.16/28 ip route del vrf v$ol1 192.0.2.82/32 via 192.0.2.146 @@ -139,10 +131,18 @@ sw2_create() ip route add vrf v$ol2 192.0.2.0/28 \ nexthop dev g2a \ nexthop dev g2b + + tc qdisc add dev $ul2 clsact + tc filter add dev $ul2 ingress pref 111 prot 802.1Q \ + flower vlan_id 111 action pass + tc filter add dev $ul2 ingress pref 222 prot 802.1Q \ + flower vlan_id 222 action pass } sw2_destroy() { + tc qdisc del dev $ul2 clsact + ip route del vrf v$ol2 192.0.2.0/28 ip route del vrf v$ol2 192.0.2.81/32 via 192.0.2.145 @@ -187,12 +187,16 @@ setup_prepare() sw1_create sw2_create h2_create + + forwarding_enable } cleanup() { pre_cleanup + forwarding_restore + h2_destroy sw2_destroy sw1_destroy @@ -211,15 +215,15 @@ multipath4_test() nexthop dev g1a weight $weight1 \ nexthop dev g1b weight $weight2 - local t0_111=$(tc_rule_stats_get $ul1 111 egress) - local t0_222=$(tc_rule_stats_get $ul1 222 egress) + local t0_111=$(tc_rule_stats_get $ul2 111 ingress) + local t0_222=$(tc_rule_stats_get $ul2 222 ingress) ip vrf exec v$h1 \ $MZ $h1 -q -p 64 -A 192.0.2.1 -B 192.0.2.18 \ -d 1msec -t udp "sp=1024,dp=0-32768" - local t1_111=$(tc_rule_stats_get $ul1 111 egress) - local t1_222=$(tc_rule_stats_get $ul1 222 egress) + local t1_111=$(tc_rule_stats_get $ul2 111 ingress) + local t1_222=$(tc_rule_stats_get $ul2 222 ingress) local d111=$((t1_111 - t0_111)) local d222=$((t1_222 - t0_222)) diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c index 090fff9dbc48..4c285b6e1db8 100644 --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -25,6 +25,80 @@ #define TLS_PAYLOAD_MAX_LEN 16384 #define SOL_TLS 282 +#ifndef ENOTSUPP +#define ENOTSUPP 524 +#endif + +FIXTURE(tls_basic) +{ + int fd, cfd; + bool notls; +}; + +FIXTURE_SETUP(tls_basic) +{ + struct sockaddr_in addr; + socklen_t len; + int sfd, ret; + + self->notls = false; + len = sizeof(addr); + + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = htonl(INADDR_ANY); + addr.sin_port = 0; + + self->fd = socket(AF_INET, SOCK_STREAM, 0); + sfd = socket(AF_INET, SOCK_STREAM, 0); + + ret = bind(sfd, &addr, sizeof(addr)); + ASSERT_EQ(ret, 0); + ret = listen(sfd, 10); + ASSERT_EQ(ret, 0); + + ret = getsockname(sfd, &addr, &len); + ASSERT_EQ(ret, 0); + + ret = connect(self->fd, &addr, sizeof(addr)); + ASSERT_EQ(ret, 0); + + self->cfd = accept(sfd, &addr, &len); + ASSERT_GE(self->cfd, 0); + + close(sfd); + + ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); + if (ret != 0) { + ASSERT_EQ(errno, ENOENT); + self->notls = true; + printf("Failure setting TCP_ULP, testing without tls\n"); + return; + } + + ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); + ASSERT_EQ(ret, 0); +} + +FIXTURE_TEARDOWN(tls_basic) +{ + close(self->fd); + close(self->cfd); +} + +/* Send some data through with ULP but no keys */ +TEST_F(tls_basic, base_base) +{ + char const *test_str = "test_read"; + int send_len = 10; + char buf[10]; + + ASSERT_EQ(strlen(test_str) + 1, send_len); + + EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); + EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1); + EXPECT_EQ(memcmp(buf, test_str, send_len), 0); +}; + FIXTURE(tls) { int fd, cfd; @@ -165,6 +239,16 @@ TEST_F(tls, msg_more) EXPECT_EQ(memcmp(buf, test_str, send_len), 0); } +TEST_F(tls, msg_more_unsent) +{ + char const *test_str = "test_read"; + int send_len = 10; + char buf[10]; + + EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len); + EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1); +} + TEST_F(tls, sendmsg_single) { struct msghdr msg; @@ -610,6 +694,42 @@ TEST_F(tls, recv_lowat) EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0); } +TEST_F(tls, bidir) +{ + char const *test_str = "test_read"; + int send_len = 10; + char buf[10]; + int ret; + + if (!self->notls) { + struct tls12_crypto_info_aes_gcm_128 tls12; + + memset(&tls12, 0, sizeof(tls12)); + tls12.info.version = TLS_1_3_VERSION; + tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128; + + ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12, + sizeof(tls12)); + ASSERT_EQ(ret, 0); + + ret = setsockopt(self->cfd, SOL_TLS, TLS_TX, &tls12, + sizeof(tls12)); + ASSERT_EQ(ret, 0); + } + + ASSERT_EQ(strlen(test_str) + 1, send_len); + + EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); + EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1); + EXPECT_EQ(memcmp(buf, test_str, send_len), 0); + + memset(buf, 0, sizeof(buf)); + + EXPECT_EQ(send(self->cfd, test_str, send_len, 0), send_len); + EXPECT_NE(recv(self->fd, buf, send_len, 0), -1); + EXPECT_EQ(memcmp(buf, test_str, send_len), 0); +}; + TEST_F(tls, pollin) { char const *test_str = "test_poll"; @@ -837,6 +957,109 @@ TEST_F(tls, control_msg) EXPECT_EQ(memcmp(buf, test_str, send_len), 0); } +TEST_F(tls, shutdown) +{ + char const *test_str = "test_read"; + int send_len = 10; + char buf[10]; + + ASSERT_EQ(strlen(test_str) + 1, send_len); + + EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); + EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1); + EXPECT_EQ(memcmp(buf, test_str, send_len), 0); + + shutdown(self->fd, SHUT_RDWR); + shutdown(self->cfd, SHUT_RDWR); +} + +TEST_F(tls, shutdown_unsent) +{ + char const *test_str = "test_read"; + int send_len = 10; + + EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len); + + shutdown(self->fd, SHUT_RDWR); + shutdown(self->cfd, SHUT_RDWR); +} + +TEST_F(tls, shutdown_reuse) +{ + struct sockaddr_in addr; + int ret; + + shutdown(self->fd, SHUT_RDWR); + shutdown(self->cfd, SHUT_RDWR); + close(self->cfd); + + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = htonl(INADDR_ANY); + addr.sin_port = 0; + + ret = bind(self->fd, &addr, sizeof(addr)); + EXPECT_EQ(ret, 0); + ret = listen(self->fd, 10); + EXPECT_EQ(ret, -1); + EXPECT_EQ(errno, EINVAL); + + ret = connect(self->fd, &addr, sizeof(addr)); + EXPECT_EQ(ret, -1); + EXPECT_EQ(errno, EISCONN); +} + +TEST(non_established) { + struct tls12_crypto_info_aes_gcm_256 tls12; + struct sockaddr_in addr; + int sfd, ret, fd; + socklen_t len; + + len = sizeof(addr); + + memset(&tls12, 0, sizeof(tls12)); + tls12.info.version = TLS_1_2_VERSION; + tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256; + + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = htonl(INADDR_ANY); + addr.sin_port = 0; + + fd = socket(AF_INET, SOCK_STREAM, 0); + sfd = socket(AF_INET, SOCK_STREAM, 0); + + ret = bind(sfd, &addr, sizeof(addr)); + ASSERT_EQ(ret, 0); + ret = listen(sfd, 10); + ASSERT_EQ(ret, 0); + + ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); + EXPECT_EQ(ret, -1); + /* TLS ULP not supported */ + if (errno == ENOENT) + return; + EXPECT_EQ(errno, ENOTSUPP); + + ret = setsockopt(sfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); + EXPECT_EQ(ret, -1); + EXPECT_EQ(errno, ENOTSUPP); + + ret = getsockname(sfd, &addr, &len); + ASSERT_EQ(ret, 0); + + ret = connect(fd, &addr, sizeof(addr)); + ASSERT_EQ(ret, 0); + + ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); + ASSERT_EQ(ret, 0); + + ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); + EXPECT_EQ(ret, -1); + EXPECT_EQ(errno, EEXIST); + + close(fd); + close(sfd); +} + TEST(keysizes) { struct tls12_crypto_info_aes_gcm_256 tls12; struct sockaddr_in addr; diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c index 7eaa8a3de262..b632965e60eb 100644 --- a/tools/testing/selftests/pidfd/pidfd_test.c +++ b/tools/testing/selftests/pidfd/pidfd_test.c @@ -339,13 +339,9 @@ static int test_pidfd_send_signal_syscall_support(void) ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0); if (ret < 0) { - /* - * pidfd_send_signal() will currently return ENOSYS when - * CONFIG_PROC_FS is not set. - */ if (errno == ENOSYS) ksft_exit_skip( - "%s test: pidfd_send_signal() syscall not supported (Ensure that CONFIG_PROC_FS=y is set)\n", + "%s test: pidfd_send_signal() syscall not supported\n", test_name); ksft_exit_fail_msg("%s test: Failed to send signal\n", diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json b/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json index cc7c7d758008..6503b1ce091f 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json @@ -713,5 +713,99 @@ "teardown": [ "$TC actions flush action vlan" ] + }, + { + "id": "294e", + "name": "Add batch of 32 vlan push actions with cookie", + "category": [ + "actions", + "vlan" + ], + "setup": [ + [ + "$TC actions flush action vlan", + 0, + 1, + 255 + ] + ], + "cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan push protocol 802.1q id 4094 priority 7 pipe index \\$i cookie aabbccddeeff112233445566778800a1 \\\"; args=\"\\$args\\$cmd\"; done && $TC actions add \\$args\"", + "expExitCode": "0", + "verifyCmd": "$TC actions list action vlan", + "matchPattern": "^[ \t]+index [0-9]+ ref", + "matchCount": "32", + "teardown": [ + "$TC actions flush action vlan" + ] + }, + { + "id": "56f7", + "name": "Delete batch of 32 vlan push actions", + "category": [ + "actions", + "vlan" + ], + "setup": [ + [ + "$TC actions flush action vlan", + 0, + 1, + 255 + ], + "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan push protocol 802.1q id 4094 priority 7 pipe index \\$i \\\"; args=\\\"\\$args\\$cmd\\\"; done && $TC actions add \\$args\"" + ], + "cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan index \\$i \\\"; args=\"\\$args\\$cmd\"; done && $TC actions del \\$args\"", + "expExitCode": "0", + "verifyCmd": "$TC actions list action vlan", + "matchPattern": "^[ \t]+index [0-9]+ ref", + "matchCount": "0", + "teardown": [] + }, + { + "id": "759f", + "name": "Add batch of 32 vlan pop actions with cookie", + "category": [ + "actions", + "vlan" + ], + "setup": [ + [ + "$TC actions flush action vlan", + 0, + 1, + 255 + ] + ], + "cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan pop continue index \\$i cookie aabbccddeeff112233445566778800a1 \\\"; args=\"\\$args\\$cmd\"; done && $TC actions add \\$args\"", + "expExitCode": "0", + "verifyCmd": "$TC actions list action vlan", + "matchPattern": "^[ \t]+index [0-9]+ ref", + "matchCount": "32", + "teardown": [ + "$TC actions flush action vlan" + ] + }, + { + "id": "c84a", + "name": "Delete batch of 32 vlan pop actions", + "category": [ + "actions", + "vlan" + ], + "setup": [ + [ + "$TC actions flush action vlan", + 0, + 1, + 255 + ], + "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan pop index \\$i \\\"; args=\\\"\\$args\\$cmd\\\"; done && $TC actions add \\$args\"" + ], + "cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan index \\$i \\\"; args=\"\\$args\\$cmd\"; done && $TC actions del \\$args\"", + "expExitCode": "0", + "verifyCmd": "$TC actions list action vlan", + "matchPattern": "^[ \t]+index [0-9]+ ref", + "matchCount": "0", + "teardown": [] } ] diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/selftests/x86/test_vsyscall.c index 4602326b8f5b..a4f4d4cf22c3 100644 --- a/tools/testing/selftests/x86/test_vsyscall.c +++ b/tools/testing/selftests/x86/test_vsyscall.c @@ -451,7 +451,7 @@ static int test_vsys_x(void) printf("[OK]\tExecuting the vsyscall page failed: #PF(0x%lx)\n", segv_err); } else { - printf("[FAILT]\tExecution failed with the wrong error: #PF(0x%lx)\n", + printf("[FAIL]\tExecution failed with the wrong error: #PF(0x%lx)\n", segv_err); return 1; } diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c index acc43242a310..35a069815baf 100644 --- a/virt/kvm/arm/arm.c +++ b/virt/kvm/arm/arm.c @@ -144,11 +144,6 @@ out_fail_alloc: return ret; } -bool kvm_arch_has_vcpu_debugfs(void) -{ - return false; -} - int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) { return 0; @@ -323,6 +318,17 @@ int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu) void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) { + /* + * If we're about to block (most likely because we've just hit a + * WFI), we need to sync back the state of the GIC CPU interface + * so that we have the lastest PMR and group enables. This ensures + * that kvm_arch_vcpu_runnable has up-to-date data to decide + * whether we have pending interrupts. + */ + preempt_disable(); + kvm_vgic_vmcr_sync(vcpu); + preempt_enable(); + kvm_vgic_v4_enable_doorbell(vcpu); } @@ -340,6 +346,8 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) /* Set up the timer */ kvm_timer_vcpu_init(vcpu); + kvm_pmu_vcpu_init(vcpu); + kvm_arm_reset_debug_ptr(vcpu); return kvm_vgic_vcpu_init(vcpu); diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/virt/kvm/arm/hyp/vgic-v3-sr.c index 254c5f190a3d..ccf1fde9836c 100644 --- a/virt/kvm/arm/hyp/vgic-v3-sr.c +++ b/virt/kvm/arm/hyp/vgic-v3-sr.c @@ -349,8 +349,10 @@ void __hyp_text __vgic_v3_save_aprs(struct kvm_vcpu *vcpu) case 7: cpu_if->vgic_ap0r[3] = __vgic_v3_read_ap0rn(3); cpu_if->vgic_ap0r[2] = __vgic_v3_read_ap0rn(2); + /* Fall through */ case 6: cpu_if->vgic_ap0r[1] = __vgic_v3_read_ap0rn(1); + /* Fall through */ default: cpu_if->vgic_ap0r[0] = __vgic_v3_read_ap0rn(0); } @@ -359,8 +361,10 @@ void __hyp_text __vgic_v3_save_aprs(struct kvm_vcpu *vcpu) case 7: cpu_if->vgic_ap1r[3] = __vgic_v3_read_ap1rn(3); cpu_if->vgic_ap1r[2] = __vgic_v3_read_ap1rn(2); + /* Fall through */ case 6: cpu_if->vgic_ap1r[1] = __vgic_v3_read_ap1rn(1); + /* Fall through */ default: cpu_if->vgic_ap1r[0] = __vgic_v3_read_ap1rn(0); } @@ -382,8 +386,10 @@ void __hyp_text __vgic_v3_restore_aprs(struct kvm_vcpu *vcpu) case 7: __vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[3], 3); __vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[2], 2); + /* Fall through */ case 6: __vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[1], 1); + /* Fall through */ default: __vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[0], 0); } @@ -392,8 +398,10 @@ void __hyp_text __vgic_v3_restore_aprs(struct kvm_vcpu *vcpu) case 7: __vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[3], 3); __vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[2], 2); + /* Fall through */ case 6: __vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[1], 1); + /* Fall through */ default: __vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[0], 0); } diff --git a/virt/kvm/arm/pmu.c b/virt/kvm/arm/pmu.c index 3dd8238ed246..362a01886bab 100644 --- a/virt/kvm/arm/pmu.c +++ b/virt/kvm/arm/pmu.c @@ -215,6 +215,20 @@ static void kvm_pmu_stop_counter(struct kvm_vcpu *vcpu, struct kvm_pmc *pmc) } /** + * kvm_pmu_vcpu_init - assign pmu counter idx for cpu + * @vcpu: The vcpu pointer + * + */ +void kvm_pmu_vcpu_init(struct kvm_vcpu *vcpu) +{ + int i; + struct kvm_pmu *pmu = &vcpu->arch.pmu; + + for (i = 0; i < ARMV8_PMU_MAX_COUNTERS; i++) + pmu->pmc[i].idx = i; +} + +/** * kvm_pmu_vcpu_reset - reset pmu state for cpu * @vcpu: The vcpu pointer * @@ -224,10 +238,8 @@ void kvm_pmu_vcpu_reset(struct kvm_vcpu *vcpu) int i; struct kvm_pmu *pmu = &vcpu->arch.pmu; - for (i = 0; i < ARMV8_PMU_MAX_COUNTERS; i++) { + for (i = 0; i < ARMV8_PMU_MAX_COUNTERS; i++) kvm_pmu_stop_counter(vcpu, &pmu->pmc[i]); - pmu->pmc[i].idx = i; - } bitmap_zero(vcpu->arch.pmu.chained, ARMV8_PMU_MAX_COUNTER_PAIRS); } diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/virt/kvm/arm/vgic/vgic-mmio.c index 3ba7278fb533..44efc2ff863f 100644 --- a/virt/kvm/arm/vgic/vgic-mmio.c +++ b/virt/kvm/arm/vgic/vgic-mmio.c @@ -113,6 +113,22 @@ void vgic_mmio_write_senable(struct kvm_vcpu *vcpu, struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i); raw_spin_lock_irqsave(&irq->irq_lock, flags); + if (vgic_irq_is_mapped_level(irq)) { + bool was_high = irq->line_level; + + /* + * We need to update the state of the interrupt because + * the guest might have changed the state of the device + * while the interrupt was disabled at the VGIC level. + */ + irq->line_level = vgic_get_phys_line_level(irq); + /* + * Deactivate the physical interrupt so the GIC will let + * us know when it is asserted again. + */ + if (!irq->active && was_high && !irq->line_level) + vgic_irq_set_phys_active(irq, false); + } irq->enabled = true; vgic_queue_irq_unlock(vcpu->kvm, irq, flags); diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c index 6dd5ad706c92..96aab77d0471 100644 --- a/virt/kvm/arm/vgic/vgic-v2.c +++ b/virt/kvm/arm/vgic/vgic-v2.c @@ -484,10 +484,17 @@ void vgic_v2_load(struct kvm_vcpu *vcpu) kvm_vgic_global_state.vctrl_base + GICH_APR); } -void vgic_v2_put(struct kvm_vcpu *vcpu) +void vgic_v2_vmcr_sync(struct kvm_vcpu *vcpu) { struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2; cpu_if->vgic_vmcr = readl_relaxed(kvm_vgic_global_state.vctrl_base + GICH_VMCR); +} + +void vgic_v2_put(struct kvm_vcpu *vcpu) +{ + struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2; + + vgic_v2_vmcr_sync(vcpu); cpu_if->vgic_apr = readl_relaxed(kvm_vgic_global_state.vctrl_base + GICH_APR); } diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c index c2c9ce009f63..0c653a1e5215 100644 --- a/virt/kvm/arm/vgic/vgic-v3.c +++ b/virt/kvm/arm/vgic/vgic-v3.c @@ -662,12 +662,17 @@ void vgic_v3_load(struct kvm_vcpu *vcpu) __vgic_v3_activate_traps(vcpu); } -void vgic_v3_put(struct kvm_vcpu *vcpu) +void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu) { struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3; if (likely(cpu_if->vgic_sre)) cpu_if->vgic_vmcr = kvm_call_hyp_ret(__vgic_v3_read_vmcr); +} + +void vgic_v3_put(struct kvm_vcpu *vcpu) +{ + vgic_v3_vmcr_sync(vcpu); kvm_call_hyp(__vgic_v3_save_aprs, vcpu); diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c index 04786c8ec77e..13d4b38a94ec 100644 --- a/virt/kvm/arm/vgic/vgic.c +++ b/virt/kvm/arm/vgic/vgic.c @@ -919,6 +919,17 @@ void kvm_vgic_put(struct kvm_vcpu *vcpu) vgic_v3_put(vcpu); } +void kvm_vgic_vmcr_sync(struct kvm_vcpu *vcpu) +{ + if (unlikely(!irqchip_in_kernel(vcpu->kvm))) + return; + + if (kvm_vgic_global_state.type == VGIC_V2) + vgic_v2_vmcr_sync(vcpu); + else + vgic_v3_vmcr_sync(vcpu); +} + int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu) { struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu; diff --git a/virt/kvm/arm/vgic/vgic.h b/virt/kvm/arm/vgic/vgic.h index 3b7525deec80..797e05004d80 100644 --- a/virt/kvm/arm/vgic/vgic.h +++ b/virt/kvm/arm/vgic/vgic.h @@ -193,6 +193,7 @@ int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address, void vgic_v2_init_lrs(void); void vgic_v2_load(struct kvm_vcpu *vcpu); void vgic_v2_put(struct kvm_vcpu *vcpu); +void vgic_v2_vmcr_sync(struct kvm_vcpu *vcpu); void vgic_v2_save_state(struct kvm_vcpu *vcpu); void vgic_v2_restore_state(struct kvm_vcpu *vcpu); @@ -223,6 +224,7 @@ bool vgic_v3_check_base(struct kvm *kvm); void vgic_v3_load(struct kvm_vcpu *vcpu); void vgic_v3_put(struct kvm_vcpu *vcpu); +void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu); bool vgic_has_its(struct kvm *kvm); int kvm_vgic_register_its_device(void); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 887f3b0c2b60..c6a91b044d8d 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1855,8 +1855,7 @@ void kvm_set_pfn_dirty(kvm_pfn_t pfn) if (!kvm_is_reserved_pfn(pfn)) { struct page *page = pfn_to_page(pfn); - if (!PageReserved(page)) - SetPageDirty(page); + SetPageDirty(page); } } EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty); @@ -2477,6 +2476,29 @@ static bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu) #endif } +/* + * Unlike kvm_arch_vcpu_runnable, this function is called outside + * a vcpu_load/vcpu_put pair. However, for most architectures + * kvm_arch_vcpu_runnable does not require vcpu_load. + */ +bool __weak kvm_arch_dy_runnable(struct kvm_vcpu *vcpu) +{ + return kvm_arch_vcpu_runnable(vcpu); +} + +static bool vcpu_dy_runnable(struct kvm_vcpu *vcpu) +{ + if (kvm_arch_dy_runnable(vcpu)) + return true; + +#ifdef CONFIG_KVM_ASYNC_PF + if (!list_empty_careful(&vcpu->async_pf.done)) + return true; +#endif + + return false; +} + void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) { struct kvm *kvm = me->kvm; @@ -2506,9 +2528,10 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) continue; if (vcpu == me) continue; - if (swait_active(&vcpu->wq) && !kvm_arch_vcpu_runnable(vcpu)) + if (swait_active(&vcpu->wq) && !vcpu_dy_runnable(vcpu)) continue; - if (yield_to_kernel_mode && !kvm_arch_vcpu_in_kernel(vcpu)) + if (READ_ONCE(vcpu->preempted) && yield_to_kernel_mode && + !kvm_arch_vcpu_in_kernel(vcpu)) continue; if (!kvm_vcpu_eligible_for_directed_yield(vcpu)) continue; @@ -2591,30 +2614,20 @@ static int create_vcpu_fd(struct kvm_vcpu *vcpu) return anon_inode_getfd(name, &kvm_vcpu_fops, vcpu, O_RDWR | O_CLOEXEC); } -static int kvm_create_vcpu_debugfs(struct kvm_vcpu *vcpu) +static void kvm_create_vcpu_debugfs(struct kvm_vcpu *vcpu) { +#ifdef __KVM_HAVE_ARCH_VCPU_DEBUGFS char dir_name[ITOA_MAX_LEN * 2]; - int ret; - - if (!kvm_arch_has_vcpu_debugfs()) - return 0; if (!debugfs_initialized()) - return 0; + return; snprintf(dir_name, sizeof(dir_name), "vcpu%d", vcpu->vcpu_id); vcpu->debugfs_dentry = debugfs_create_dir(dir_name, - vcpu->kvm->debugfs_dentry); - if (!vcpu->debugfs_dentry) - return -ENOMEM; - - ret = kvm_arch_create_vcpu_debugfs(vcpu); - if (ret < 0) { - debugfs_remove_recursive(vcpu->debugfs_dentry); - return ret; - } + vcpu->kvm->debugfs_dentry); - return 0; + kvm_arch_create_vcpu_debugfs(vcpu); +#endif } /* @@ -2649,9 +2662,7 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) if (r) goto vcpu_destroy; - r = kvm_create_vcpu_debugfs(vcpu); - if (r) - goto vcpu_destroy; + kvm_create_vcpu_debugfs(vcpu); mutex_lock(&kvm->lock); if (kvm_get_vcpu_by_id(kvm, id)) { @@ -4205,7 +4216,7 @@ static void kvm_sched_in(struct preempt_notifier *pn, int cpu) { struct kvm_vcpu *vcpu = preempt_notifier_to_vcpu(pn); - vcpu->preempted = false; + WRITE_ONCE(vcpu->preempted, false); WRITE_ONCE(vcpu->ready, false); kvm_arch_sched_in(vcpu, cpu); @@ -4219,7 +4230,7 @@ static void kvm_sched_out(struct preempt_notifier *pn, struct kvm_vcpu *vcpu = preempt_notifier_to_vcpu(pn); if (current->state == TASK_RUNNING) { - vcpu->preempted = true; + WRITE_ONCE(vcpu->preempted, true); WRITE_ONCE(vcpu->ready, true); } kvm_arch_vcpu_put(vcpu); |