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-rw-r--r--.gitignore3
-rw-r--r--.mailmap5
-rw-r--r--Documentation/admin-guide/README.rst2
-rw-r--r--Documentation/arm64/cpu-feature-registers.rst2
-rw-r--r--Documentation/arm64/silicon-errata.rst8
-rw-r--r--Documentation/block/bfq-iosched.rst9
-rw-r--r--Documentation/core-api/dma-api.rst8
-rw-r--r--Documentation/dev-tools/kunit/faq.rst40
-rw-r--r--Documentation/devicetree/bindings/Makefile38
-rw-r--r--Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt2
-rw-r--r--Documentation/devicetree/bindings/bus/socionext,uniphier-system-bus.yaml4
-rw-r--r--Documentation/devicetree/bindings/clock/imx27-clock.yaml2
-rw-r--r--Documentation/devicetree/bindings/clock/imx31-clock.yaml2
-rw-r--r--Documentation/devicetree/bindings/clock/imx5-clock.yaml2
-rw-r--r--Documentation/devicetree/bindings/display/bridge/sii902x.txt2
-rw-r--r--Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt4
-rw-r--r--Documentation/devicetree/bindings/display/imx/ldb.txt4
-rw-r--r--Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml2
-rw-r--r--Documentation/devicetree/bindings/display/rockchip/rockchip-drm.yaml2
-rw-r--r--Documentation/devicetree/bindings/gpio/mediatek,mt7621-gpio.txt2
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt2
-rw-r--r--Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt2
-rw-r--r--Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt2
-rw-r--r--Documentation/devicetree/bindings/net/mediatek-bluetooth.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/sound/audio-graph-card.txt2
-rw-r--r--Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt2
-rw-r--r--Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt2
-rw-r--r--Documentation/devicetree/bindings/thermal/thermal-sensor.yaml2
-rw-r--r--Documentation/devicetree/bindings/thermal/thermal-zones.yaml2
-rw-r--r--Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml2
-rw-r--r--Documentation/devicetree/bindings/timer/csky,mptimer.txt2
-rw-r--r--Documentation/devicetree/bindings/usb/aspeed,usb-vhub.yaml4
-rw-r--r--Documentation/devicetree/writing-schema.rst9
-rw-r--r--Documentation/i2c/slave-eeprom-backend.rst22
-rw-r--r--Documentation/kbuild/modules.rst7
-rw-r--r--Documentation/kbuild/reproducible-builds.rst2
-rw-r--r--Documentation/mips/ingenic-tcu.rst2
-rw-r--r--Documentation/networking/arcnet.rst2
-rw-r--r--Documentation/networking/ax25.rst2
-rw-r--r--Documentation/networking/can_ucan_protocol.rst4
-rw-r--r--Documentation/networking/dsa/dsa.rst2
-rw-r--r--Documentation/networking/ip-sysctl.rst2
-rw-r--r--Documentation/networking/ipvs-sysctl.rst2
-rw-r--r--Documentation/networking/rxrpc.rst2
-rw-r--r--Documentation/process/changes.rst2
-rw-r--r--Documentation/process/coding-style.rst20
-rw-r--r--Documentation/virt/kvm/api.rst5
-rw-r--r--MAINTAINERS17
-rw-r--r--Makefile6
-rw-r--r--arch/arc/Kconfig15
-rw-r--r--arch/arc/Makefile21
-rw-r--r--arch/arc/include/asm/elf.h2
-rw-r--r--arch/arc/include/asm/irqflags-compact.h5
-rw-r--r--arch/arc/kernel/entry.S16
-rw-r--r--arch/arc/kernel/head.S8
-rw-r--r--arch/arc/kernel/setup.c19
-rw-r--r--arch/arm/kernel/asm-offsets.c9
-rw-r--r--arch/arm/xen/enlighten.c1
-rw-r--r--arch/arm64/include/asm/alternative.h16
-rw-r--r--arch/arm64/include/asm/arch_gicv3.h2
-rw-r--r--arch/arm64/include/asm/arch_timer.h1
-rw-r--r--arch/arm64/include/asm/cpufeature.h2
-rw-r--r--arch/arm64/include/asm/cputype.h2
-rw-r--r--arch/arm64/include/asm/pgtable-prot.h2
-rw-r--r--arch/arm64/include/asm/vdso/clocksource.h7
-rw-r--r--arch/arm64/include/asm/vdso/compat_gettimeofday.h8
-rw-r--r--arch/arm64/kernel/alternative.c16
-rw-r--r--arch/arm64/kernel/cpu_errata.c22
-rw-r--r--arch/arm64/kernel/cpufeature.c2
-rw-r--r--arch/arm64/kernel/entry-common.c2
-rw-r--r--arch/arm64/kernel/entry.S52
-rw-r--r--arch/arm64/kernel/kgdb.c2
-rw-r--r--arch/arm64/kernel/probes/kprobes.c2
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S3
-rw-r--r--arch/arm64/kvm/hyp-init.S11
-rw-r--r--arch/arm64/kvm/pmu.c7
-rw-r--r--arch/arm64/kvm/pvtime.c15
-rw-r--r--arch/arm64/kvm/reset.c10
-rw-r--r--arch/arm64/kvm/vgic/vgic-v4.c8
-rw-r--r--arch/m68k/kernel/setup_no.c3
-rw-r--r--arch/m68k/mm/mcfmmu.c2
-rw-r--r--arch/mips/boot/dts/ingenic/gcw0.dts2
-rw-r--r--arch/mips/include/asm/unroll.h8
-rw-r--r--arch/mips/kernel/traps.c9
-rw-r--r--arch/mips/kvm/emulate.c4
-rw-r--r--arch/mips/lantiq/xway/sysctrl.c8
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S2
-rw-r--r--arch/powerpc/mm/book3s64/pkeys.c3
-rw-r--r--arch/riscv/Kconfig2
-rw-r--r--arch/riscv/include/asm/gdb_xml.h3
-rw-r--r--arch/riscv/include/asm/kgdb.h5
-rw-r--r--arch/riscv/kernel/kgdb.c10
-rw-r--r--arch/s390/configs/debug_defconfig44
-rw-r--r--arch/s390/configs/defconfig43
-rw-r--r--arch/s390/configs/zfcpdump_defconfig5
-rw-r--r--arch/s390/include/asm/kvm_host.h8
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c11
-rw-r--r--arch/s390/kernel/setup.c1
-rw-r--r--arch/s390/mm/hugetlbpage.c2
-rw-r--r--arch/s390/mm/maccess.c14
-rw-r--r--arch/s390/pci/pci_event.c13
-rw-r--r--arch/x86/entry/common.c49
-rw-r--r--arch/x86/entry/entry_32.S5
-rw-r--r--arch/x86/entry/entry_64_compat.S31
-rw-r--r--arch/x86/hyperv/hv_init.c3
-rw-r--r--arch/x86/include/asm/fpu/internal.h5
-rw-r--r--arch/x86/include/asm/idtentry.h47
-rw-r--r--arch/x86/include/uapi/asm/kvm.h5
-rw-r--r--arch/x86/kernel/cpu/intel.c11
-rw-r--r--arch/x86/kernel/cpu/mce/core.c4
-rw-r--r--arch/x86/kernel/fpu/core.c6
-rw-r--r--arch/x86/kernel/ldt.c26
-rw-r--r--arch/x86/kernel/traps.c14
-rw-r--r--arch/x86/kvm/kvm_cache_regs.h2
-rw-r--r--arch/x86/kvm/mmu/mmu.c2
-rw-r--r--arch/x86/kvm/vmx/nested.c5
-rw-r--r--arch/x86/kvm/vmx/vmx.c13
-rw-r--r--arch/x86/kvm/x86.c5
-rw-r--r--arch/x86/xen/enlighten_pv.c28
-rw-r--r--arch/x86/xen/xen-asm_64.S25
-rw-r--r--block/bio-integrity.c3
-rw-r--r--block/blk-mq-debugfs.c3
-rw-r--r--block/blk-mq.c4
-rw-r--r--block/keyslot-manager.c3
-rw-r--r--crypto/af_alg.c26
-rw-r--r--crypto/algif_aead.c9
-rw-r--r--crypto/algif_hash.c9
-rw-r--r--crypto/algif_skcipher.c9
-rw-r--r--drivers/acpi/dptf/dptf_power.c1
-rw-r--r--drivers/acpi/fan.c2
-rw-r--r--drivers/block/nbd.c25
-rw-r--r--drivers/block/virtio_blk.c1
-rw-r--r--drivers/char/tpm/st33zp24/i2c.c2
-rw-r--r--drivers/char/tpm/st33zp24/spi.c4
-rw-r--r--drivers/char/tpm/st33zp24/st33zp24.c2
-rw-r--r--drivers/char/tpm/tpm-dev-common.c19
-rw-r--r--drivers/char/tpm/tpm_ibmvtpm.c14
-rw-r--r--drivers/char/tpm/tpm_tis.c7
-rw-r--r--drivers/char/tpm/tpm_tis_core.c2
-rw-r--r--drivers/char/tpm/tpm_tis_spi_main.c10
-rw-r--r--drivers/clocksource/arm_arch_timer.c11
-rw-r--r--drivers/dma-buf/dma-buf.c54
-rw-r--r--drivers/firmware/psci/psci_checker.c8
-rw-r--r--drivers/gpio/gpio-arizona.c7
-rw-r--r--drivers/gpio/gpio-pca953x.c99
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_job.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c63
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c10
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c11
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dma.c4
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_g2d.c1
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_mic.c4
-rw-r--r--drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c5
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.c11
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.h1
-rw-r--r--drivers/gpu/drm/i915/display/intel_fbc.c32
-rw-r--r--drivers/gpu/drm/i915/gt/intel_context.c12
-rw-r--r--drivers/gpu/drm/i915/gt/shaders/README46
-rw-r--r--drivers/gpu/drm/i915/gt/shaders/clear_kernel/hsw.asm119
-rw-r--r--drivers/gpu/drm/i915/gt/shaders/clear_kernel/ivb.asm117
-rw-r--r--drivers/gpu/drm/i915/gvt/debugfs.c2
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c24
-rw-r--r--drivers/gpu/drm/i915/gvt/mmio_context.h6
-rw-r--r--drivers/gpu/drm/i915/gvt/reg.h5
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c2
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h6
-rw-r--r--drivers/gpu/drm/i915/i915_vma.c15
-rw-r--r--drivers/gpu/drm/mediatek/Kconfig2
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_crtc.c8
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c6
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_plane.c25
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dsi.c5
-rw-r--r--drivers/gpu/drm/mediatek/mtk_hdmi.c12
-rw-r--r--drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c52
-rw-r--r--drivers/gpu/drm/meson/meson_registers.h6
-rw-r--r--drivers/gpu/drm/meson/meson_viu.c11
-rw-r--r--drivers/gpu/drm/msm/adreno/a2xx_gpu.c2
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gmu.c2
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gpu.c2
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_gpu.c2
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c18
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c2
-rw-r--r--drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c2
-rw-r--r--drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c2
-rw-r--r--drivers/gpu/drm/msm/msm_submitqueue.c4
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.c3
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dmem.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_svm.c1
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c4
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c4
-rw-r--r--drivers/gpu/drm/radeon/ci_dpm.c7
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c5
-rw-r--r--drivers/hv/vmbus_drv.c2
-rw-r--r--drivers/hwmon/acpi_power_meter.c4
-rw-r--r--drivers/hwmon/bt1-pvt.c12
-rw-r--r--drivers/hwmon/max6697.c7
-rw-r--r--drivers/hwmon/pmbus/Kconfig2
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c8
-rw-r--r--drivers/i2c/Kconfig7
-rw-r--r--drivers/i2c/algos/i2c-algo-pca.c3
-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c15
-rw-r--r--drivers/i2c/busses/i2c-eg20t.c1
-rw-r--r--drivers/i2c/busses/i2c-mlxcpld.c4
-rw-r--r--drivers/infiniband/core/sa_query.c38
-rw-r--r--drivers/infiniband/hw/hfi1/init.c37
-rw-r--r--drivers/infiniband/hw/hfi1/qp.c7
-rw-r--r--drivers/infiniband/hw/hfi1/tid_rdma.c5
-rw-r--r--drivers/infiniband/hw/mlx5/main.c2
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c7
-rw-r--r--drivers/infiniband/sw/siw/siw_main.c3
-rw-r--r--drivers/irqchip/Kconfig2
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c16
-rw-r--r--drivers/irqchip/irq-gic.c14
-rw-r--r--drivers/irqchip/irq-riscv-intc.c2
-rw-r--r--drivers/md/dm-rq.c4
-rw-r--r--drivers/md/dm-writecache.c6
-rw-r--r--drivers/md/dm-zoned-metadata.c9
-rw-r--r--drivers/md/dm-zoned-reclaim.c7
-rw-r--r--drivers/md/dm-zoned-target.c10
-rw-r--r--drivers/md/dm.c84
-rw-r--r--drivers/message/fusion/mptbase.c41
-rw-r--r--drivers/mmc/host/meson-gx-mmc.c6
-rw-r--r--drivers/mmc/host/owl-mmc.c2
-rw-r--r--drivers/mmc/host/sdhci-msm.c5
-rw-r--r--drivers/mtd/mtdcore.c4
-rw-r--r--drivers/mtd/nand/raw/nandsim.c2
-rw-r--r--drivers/mtd/nand/raw/xway_nand.c2
-rw-r--r--drivers/net/dsa/microchip/ksz8795.c3
-rw-r--r--drivers/net/dsa/microchip/ksz9477.c3
-rw-r--r--drivers/net/dsa/microchip/ksz9477_i2c.c1
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c4
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h2
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c2
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c31
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c10
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c8
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.c4
-rw-r--r--drivers/net/ethernet/freescale/fec.h5
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c94
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c3
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c9
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c2
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c5
-rw-r--r--drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c2
-rw-r--r--drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c91
-rw-r--r--drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h16
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c2
-rw-r--r--drivers/net/ethernet/marvell/sky2.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/port.c21
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/port.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c53
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c19
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c15
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c14
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/port.c93
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/pci.c54
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c2
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_ethtool.c52
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_lif.c25
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_lif.h4
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed.h2
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_debug.c17
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_dev.c12
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_mcp.c7
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_mcp.h7
-rw-r--r--drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c18
-rw-r--r--drivers/net/ipa/gsi.c16
-rw-r--r--drivers/net/ipa/ipa_cmd.c15
-rw-r--r--drivers/net/ipa/ipa_cmd.h8
-rw-r--r--drivers/net/ipa/ipa_data-sdm845.c1
-rw-r--r--drivers/net/ipa/ipa_endpoint.c2
-rw-r--r--drivers/net/ipa/ipa_gsi.c1
-rw-r--r--drivers/net/ipa/ipa_gsi.h2
-rw-r--r--drivers/net/ipa/ipa_qmi_msg.c6
-rw-r--r--drivers/net/macsec.c5
-rw-r--r--drivers/net/macvlan.c5
-rw-r--r--drivers/net/tun.c2
-rw-r--r--drivers/net/usb/qmi_wwan.c1
-rw-r--r--drivers/net/usb/smsc95xx.c9
-rw-r--r--drivers/net/wan/lapbether.c9
-rw-r--r--drivers/net/wireguard/device.c1
-rw-r--r--drivers/net/wireguard/queueing.h19
-rw-r--r--drivers/net/wireguard/receive.c2
-rw-r--r--drivers/nvdimm/security.c2
-rw-r--r--drivers/nvme/host/core.c12
-rw-r--r--drivers/nvme/host/multipath.c7
-rw-r--r--drivers/pinctrl/intel/pinctrl-baytrail.c67
-rw-r--r--drivers/pinctrl/pinctrl-amd.h2
-rw-r--r--drivers/s390/cio/vfio_ccw_chp.c1
-rw-r--r--drivers/scsi/libfc/fc_rport.c13
-rw-r--r--drivers/scsi/libiscsi.c2
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_ctl.c12
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c2
-rw-r--r--drivers/scsi/scsi_devinfo.c1
-rw-r--r--drivers/scsi/scsi_dh.c1
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c2
-rw-r--r--drivers/scsi/scsi_transport_spi.c2
-rw-r--r--drivers/spi/spi-fsl-dspi.c39
-rw-r--r--drivers/spi/spi-pxa2xx.c5
-rw-r--r--drivers/thermal/cpufreq_cooling.c6
-rw-r--r--drivers/thermal/imx_thermal.c7
-rw-r--r--drivers/thermal/mtk_thermal.c5
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592 files changed, 4845 insertions, 2583 deletions
diff --git a/.gitignore b/.gitignore
index 87b9dd8a163b..d5f4804ed07c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -143,6 +143,9 @@ x509.genkey
/allrandom.config
/allyes.config
+# Kconfig savedefconfig output
+/defconfig
+
# Kdevelop4
*.kdev4
diff --git a/.mailmap b/.mailmap
index c69d9c734fb5..6da12dfd10dc 100644
--- a/.mailmap
+++ b/.mailmap
@@ -90,11 +90,16 @@ Frank Rowand <frowand.list@gmail.com> <frank.rowand@sonymobile.com>
Frank Zago <fzago@systemfabricworks.com>
Gao Xiang <xiang@kernel.org> <gaoxiang25@huawei.com>
Gao Xiang <xiang@kernel.org> <hsiangkao@aol.com>
+Gerald Schaefer <gerald.schaefer@linux.ibm.com> <gerald.schaefer@de.ibm.com>
+Gerald Schaefer <gerald.schaefer@linux.ibm.com> <geraldsc@de.ibm.com>
+Gerald Schaefer <gerald.schaefer@linux.ibm.com> <geraldsc@linux.vnet.ibm.com>
Greg Kroah-Hartman <greg@echidna.(none)>
Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman <greg@kroah.com>
Gregory CLEMENT <gregory.clement@bootlin.com> <gregory.clement@free-electrons.com>
Hanjun Guo <guohanjun@huawei.com> <hanjun.guo@linaro.org>
+Heiko Carstens <hca@linux.ibm.com> <h.carstens@de.ibm.com>
+Heiko Carstens <hca@linux.ibm.com> <heiko.carstens@de.ibm.com>
Henk Vergonet <Henk.Vergonet@gmail.com>
Henrik Kretzschmar <henne@nachtwindheim.de>
Henrik Rydberg <rydberg@bitmath.org>
diff --git a/Documentation/admin-guide/README.rst b/Documentation/admin-guide/README.rst
index 5fb526900023..5aad534233cd 100644
--- a/Documentation/admin-guide/README.rst
+++ b/Documentation/admin-guide/README.rst
@@ -258,7 +258,7 @@ Configuring the kernel
Compiling the kernel
--------------------
- - Make sure you have at least gcc 4.6 available.
+ - Make sure you have at least gcc 4.9 available.
For more information, refer to :ref:`Documentation/process/changes.rst <changes>`.
Please note that you can still run a.out user programs with this kernel.
diff --git a/Documentation/arm64/cpu-feature-registers.rst b/Documentation/arm64/cpu-feature-registers.rst
index 314fa5bc2655..f28853f80089 100644
--- a/Documentation/arm64/cpu-feature-registers.rst
+++ b/Documentation/arm64/cpu-feature-registers.rst
@@ -171,6 +171,7 @@ infrastructure:
3) ID_AA64PFR1_EL1 - Processor Feature Register 1
+
+------------------------------+---------+---------+
| Name | bits | visible |
+------------------------------+---------+---------+
@@ -181,6 +182,7 @@ infrastructure:
4) MIDR_EL1 - Main ID Register
+
+------------------------------+---------+---------+
| Name | bits | visible |
+------------------------------+---------+---------+
diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index 936cf2a59ca4..3f7c3a7e8a2b 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -147,6 +147,14 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Falkor v{1,2} | E1041 | QCOM_FALKOR_ERRATUM_1041 |
+----------------+-----------------+-----------------+-----------------------------+
+| Qualcomm Tech. | Kryo4xx Gold | N/A | ARM64_ERRATUM_1463225 |
++----------------+-----------------+-----------------+-----------------------------+
+| Qualcomm Tech. | Kryo4xx Gold | N/A | ARM64_ERRATUM_1418040 |
++----------------+-----------------+-----------------+-----------------------------+
+| Qualcomm Tech. | Kryo4xx Silver | N/A | ARM64_ERRATUM_1530923 |
++----------------+-----------------+-----------------+-----------------------------+
+| Qualcomm Tech. | Kryo4xx Silver | N/A | ARM64_ERRATUM_1024718 |
++----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Fujitsu | A64FX | E#010001 | FUJITSU_ERRATUM_010001 |
+----------------+-----------------+-----------------+-----------------------------+
diff --git a/Documentation/block/bfq-iosched.rst b/Documentation/block/bfq-iosched.rst
index 0d237d402860..19d4d1570cee 100644
--- a/Documentation/block/bfq-iosched.rst
+++ b/Documentation/block/bfq-iosched.rst
@@ -492,13 +492,6 @@ set max_budget to higher values than those to which BFQ would have set
it with auto-tuning. An alternative way to achieve this goal is to
just increase the value of timeout_sync, leaving max_budget equal to 0.
-weights
--------
-
-Read-only parameter, used to show the weights of the currently active
-BFQ queues.
-
-
4. Group scheduling with BFQ
============================
@@ -566,7 +559,7 @@ Parameters to set
For each group, there is only the following parameter to set.
weight (namely blkio.bfq.weight or io.bfq-weight): the weight of the
-group inside its parent. Available values: 1..10000 (default 100). The
+group inside its parent. Available values: 1..1000 (default 100). The
linear mapping between ioprio and weights, described at the beginning
of the tunable section, is still valid, but all weights higher than
IOPRIO_BE_NR*10 are mapped to ioprio 0.
diff --git a/Documentation/core-api/dma-api.rst b/Documentation/core-api/dma-api.rst
index 2d8d2fed7317..f41620439ef3 100644
--- a/Documentation/core-api/dma-api.rst
+++ b/Documentation/core-api/dma-api.rst
@@ -206,6 +206,14 @@ others should not be larger than the returned value.
::
+ bool
+ dma_need_sync(struct device *dev, dma_addr_t dma_addr);
+
+Returns %true if dma_sync_single_for_{device,cpu} calls are required to
+transfer memory ownership. Returns %false if those calls can be skipped.
+
+::
+
unsigned long
dma_get_merge_boundary(struct device *dev);
diff --git a/Documentation/dev-tools/kunit/faq.rst b/Documentation/dev-tools/kunit/faq.rst
index ea55b2467653..1628862e7024 100644
--- a/Documentation/dev-tools/kunit/faq.rst
+++ b/Documentation/dev-tools/kunit/faq.rst
@@ -61,3 +61,43 @@ test, or an end-to-end test.
kernel by installing a production configuration of the kernel on production
hardware with a production userspace and then trying to exercise some behavior
that depends on interactions between the hardware, the kernel, and userspace.
+
+KUnit isn't working, what should I do?
+======================================
+
+Unfortunately, there are a number of things which can break, but here are some
+things to try.
+
+1. Try running ``./tools/testing/kunit/kunit.py run`` with the ``--raw_output``
+ parameter. This might show details or error messages hidden by the kunit_tool
+ parser.
+2. Instead of running ``kunit.py run``, try running ``kunit.py config``,
+ ``kunit.py build``, and ``kunit.py exec`` independently. This can help track
+ down where an issue is occurring. (If you think the parser is at fault, you
+ can run it manually against stdin or a file with ``kunit.py parse``.)
+3. Running the UML kernel directly can often reveal issues or error messages
+ kunit_tool ignores. This should be as simple as running ``./vmlinux`` after
+ building the UML kernel (e.g., by using ``kunit.py build``). Note that UML
+ has some unusual requirements (such as the host having a tmpfs filesystem
+ mounted), and has had issues in the past when built statically and the host
+ has KASLR enabled. (On older host kernels, you may need to run ``setarch
+ `uname -m` -R ./vmlinux`` to disable KASLR.)
+4. Make sure the kernel .config has ``CONFIG_KUNIT=y`` and at least one test
+ (e.g. ``CONFIG_KUNIT_EXAMPLE_TEST=y``). kunit_tool will keep its .config
+ around, so you can see what config was used after running ``kunit.py run``.
+ It also preserves any config changes you might make, so you can
+ enable/disable things with ``make ARCH=um menuconfig`` or similar, and then
+ re-run kunit_tool.
+5. Try to run ``make ARCH=um defconfig`` before running ``kunit.py run``. This
+ may help clean up any residual config items which could be causing problems.
+6. Finally, try running KUnit outside UML. KUnit and KUnit tests can run be
+ built into any kernel, or can be built as a module and loaded at runtime.
+ Doing so should allow you to determine if UML is causing the issue you're
+ seeing. When tests are built-in, they will execute when the kernel boots, and
+ modules will automatically execute associated tests when loaded. Test results
+ can be collected from ``/sys/kernel/debug/kunit/<test suite>/results``, and
+ can be parsed with ``kunit.py parse``. For more details, see "KUnit on
+ non-UML architectures" in :doc:`usage`.
+
+If none of the above tricks help, you are always welcome to email any issues to
+kunit-dev@googlegroups.com.
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index a63898954068..91c4d00e96d3 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -2,7 +2,6 @@
DT_DOC_CHECKER ?= dt-doc-validate
DT_EXTRACT_EX ?= dt-extract-example
DT_MK_SCHEMA ?= dt-mk-schema
-DT_MK_SCHEMA_USERONLY_FLAG := $(if $(DT_SCHEMA_FILES), -u)
DT_SCHEMA_MIN_VERSION = 2020.5
@@ -35,21 +34,40 @@ quiet_cmd_mk_schema = SCHEMA $@
DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
-DT_SCHEMA_FILES ?= $(DT_DOCS)
-
-extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
-extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
-extra-$(CHECK_DT_BINDING) += processed-schema-examples.yaml
-
override DTC_FLAGS := \
-Wno-avoid_unnecessary_addr_size \
- -Wno-graph_child_address
+ -Wno-graph_child_address \
+ -Wno-interrupt_provider
$(obj)/processed-schema-examples.yaml: $(DT_DOCS) check_dtschema_version FORCE
$(call if_changed,mk_schema)
-$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := $(DT_MK_SCHEMA_USERONLY_FLAG)
+ifeq ($(DT_SCHEMA_FILES),)
+
+# Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
+# Just copy processed-schema-examples.yaml
+
+$(obj)/processed-schema.yaml: $(obj)/processed-schema-examples.yaml FORCE
+ $(call if_changed,copy)
+
+DT_SCHEMA_FILES = $(DT_DOCS)
+
+else
+
+# If DT_SCHEMA_FILES is specified, use it for processed-schema.yaml
+
+$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := -u
$(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
$(call if_changed,mk_schema)
-extra-y += processed-schema.yaml
+endif
+
+extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
+extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
+extra-$(CHECK_DT_BINDING) += processed-schema-examples.yaml
+extra-$(CHECK_DTBS) += processed-schema.yaml
+
+# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
+# build artifacts here before they are processed by scripts/Makefile.clean
+clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
+ -name '*.example.dt.yaml' \) -delete 2>/dev/null)
diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index 715047444391..10b8459e49f8 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -47,7 +47,7 @@ Required properties:
&lsio_mu1 1 2
&lsio_mu1 1 3
&lsio_mu1 3 3>;
- See Documentation/devicetree/bindings/mailbox/fsl,mu.txt
+ See Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
for detailed mailbox binding.
Note: Each mu which supports general interrupt should have an alias correctly
diff --git a/Documentation/devicetree/bindings/bus/socionext,uniphier-system-bus.yaml b/Documentation/devicetree/bindings/bus/socionext,uniphier-system-bus.yaml
index c4c9119e4a20..a0c6c5d2b70f 100644
--- a/Documentation/devicetree/bindings/bus/socionext,uniphier-system-bus.yaml
+++ b/Documentation/devicetree/bindings/bus/socionext,uniphier-system-bus.yaml
@@ -80,14 +80,14 @@ examples:
ranges = <1 0x00000000 0x42000000 0x02000000>,
<5 0x00000000 0x46000000 0x01000000>;
- ethernet@1,01f00000 {
+ ethernet@1,1f00000 {
compatible = "smsc,lan9115";
reg = <1 0x01f00000 0x1000>;
interrupts = <0 48 4>;
phy-mode = "mii";
};
- uart@5,00200000 {
+ serial@5,200000 {
compatible = "ns16550a";
reg = <5 0x00200000 0x20>;
interrupts = <0 49 4>;
diff --git a/Documentation/devicetree/bindings/clock/imx27-clock.yaml b/Documentation/devicetree/bindings/clock/imx27-clock.yaml
index b5f3ed084ea0..a75365453dbc 100644
--- a/Documentation/devicetree/bindings/clock/imx27-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/imx27-clock.yaml
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Clock bindings for Freescale i.MX27
maintainers:
- - Fabio Estevam <fabio.estevam@freescale.com>
+ - Fabio Estevam <fabio.estevam@nxp.com>
description: |
The clock consumer should specify the desired clock by having the clock
diff --git a/Documentation/devicetree/bindings/clock/imx31-clock.yaml b/Documentation/devicetree/bindings/clock/imx31-clock.yaml
index 1b6f75d3928a..a25a374b3b2a 100644
--- a/Documentation/devicetree/bindings/clock/imx31-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/imx31-clock.yaml
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Clock bindings for Freescale i.MX31
maintainers:
- - Fabio Estevam <fabio.estevam@freescale.com>
+ - Fabio Estevam <fabio.estevam@nxp.com>
description: |
The clock consumer should specify the desired clock by having the clock
diff --git a/Documentation/devicetree/bindings/clock/imx5-clock.yaml b/Documentation/devicetree/bindings/clock/imx5-clock.yaml
index f5c2b3d7a910..4d9e7c73dce9 100644
--- a/Documentation/devicetree/bindings/clock/imx5-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/imx5-clock.yaml
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Clock bindings for Freescale i.MX5
maintainers:
- - Fabio Estevam <fabio.estevam@freescale.com>
+ - Fabio Estevam <fabio.estevam@nxp.com>
description: |
The clock consumer should specify the desired clock by having the clock
diff --git a/Documentation/devicetree/bindings/display/bridge/sii902x.txt b/Documentation/devicetree/bindings/display/bridge/sii902x.txt
index 6e14e087c0d0..0d1db3f9da84 100644
--- a/Documentation/devicetree/bindings/display/bridge/sii902x.txt
+++ b/Documentation/devicetree/bindings/display/bridge/sii902x.txt
@@ -37,7 +37,7 @@ Optional properties:
simple-card or audio-graph-card binding. See their binding
documents on how to describe the way the sii902x device is
connected to the rest of the audio system:
- Documentation/devicetree/bindings/sound/simple-card.txt
+ Documentation/devicetree/bindings/sound/simple-card.yaml
Documentation/devicetree/bindings/sound/audio-graph-card.txt
Note: In case of the audio-graph-card binding the used port
index should be 3.
diff --git a/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt b/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
index 5bf77f6dd19d..5a99490c17b9 100644
--- a/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
+++ b/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
@@ -68,7 +68,7 @@ Required properties:
datasheet
- clocks : phandle to the PRE axi clock input, as described
in Documentation/devicetree/bindings/clock/clock-bindings.txt and
- Documentation/devicetree/bindings/clock/imx6q-clock.txt.
+ Documentation/devicetree/bindings/clock/imx6q-clock.yaml.
- clock-names: should be "axi"
- interrupts: should contain the PRE interrupt
- fsl,iram: phandle pointing to the mmio-sram device node, that should be
@@ -94,7 +94,7 @@ Required properties:
datasheet
- clocks : phandles to the PRG ipg and axi clock inputs, as described
in Documentation/devicetree/bindings/clock/clock-bindings.txt and
- Documentation/devicetree/bindings/clock/imx6q-clock.txt.
+ Documentation/devicetree/bindings/clock/imx6q-clock.yaml.
- clock-names: should be "ipg" and "axi"
- fsl,pres: phandles to the PRE units attached to this PRG, with the fixed
PRE as the first entry and the muxable PREs following.
diff --git a/Documentation/devicetree/bindings/display/imx/ldb.txt b/Documentation/devicetree/bindings/display/imx/ldb.txt
index 38c637fa39dd..8e6e7d797943 100644
--- a/Documentation/devicetree/bindings/display/imx/ldb.txt
+++ b/Documentation/devicetree/bindings/display/imx/ldb.txt
@@ -30,8 +30,8 @@ Required properties:
"di2_sel" - IPU2 DI0 mux
"di3_sel" - IPU2 DI1 mux
The needed clock numbers for each are documented in
- Documentation/devicetree/bindings/clock/imx5-clock.txt, and in
- Documentation/devicetree/bindings/clock/imx6q-clock.txt.
+ Documentation/devicetree/bindings/clock/imx5-clock.yaml, and in
+ Documentation/devicetree/bindings/clock/imx6q-clock.yaml.
Optional properties:
- pinctrl-names : should be "default" on i.MX53, not used on i.MX6q
diff --git a/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml b/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml
index 41fd5713c156..be69e0cc50fc 100644
--- a/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml
+++ b/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml
@@ -33,7 +33,7 @@ additionalProperties: false
examples:
- |
- sysreg {
+ sysreg@0 {
compatible = "arm,versatile-sysreg", "syscon", "simple-mfd";
reg = <0x00000 0x1000>;
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-drm.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-drm.yaml
index ec8ae742d4da..7204da5eb4c5 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-drm.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-drm.yaml
@@ -24,7 +24,7 @@ properties:
description: |
Should contain a list of phandles pointing to display interface port
of vop devices. vop definitions as defined in
- Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
+ Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml
required:
- compatible
diff --git a/Documentation/devicetree/bindings/gpio/mediatek,mt7621-gpio.txt b/Documentation/devicetree/bindings/gpio/mediatek,mt7621-gpio.txt
index ba455589f869..e1c49b660d3a 100644
--- a/Documentation/devicetree/bindings/gpio/mediatek,mt7621-gpio.txt
+++ b/Documentation/devicetree/bindings/gpio/mediatek,mt7621-gpio.txt
@@ -12,7 +12,7 @@ Required properties for the top level node:
Only the GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported.
- #interrupt-cells : Specifies the number of cells needed to encode an
interrupt. Should be 2. The first cell defines the interrupt number,
- the second encodes the triger flags encoded as described in
+ the second encodes the trigger flags encoded as described in
Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
- compatible:
- "mediatek,mt7621-gpio" for Mediatek controllers
diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
index e13405355166..e6bbcae4d07f 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
@@ -10,7 +10,7 @@ Interrupt number definition:
16-31 : private irq, and we use 16 as the co-processor timer.
31-1024: common irq for soc ip.
-Interrupt triger mode: (Defined in dt-bindings/interrupt-controller/irq.h)
+Interrupt trigger mode: (Defined in dt-bindings/interrupt-controller/irq.h)
IRQ_TYPE_LEVEL_HIGH (default)
IRQ_TYPE_LEVEL_LOW
IRQ_TYPE_EDGE_RISING
diff --git a/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt
index 4438432bfe9b..ad76edccf881 100644
--- a/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt
+++ b/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt
@@ -87,7 +87,7 @@ Example:
ranges;
/* APU<->RPU0 IPI mailbox controller */
- ipi_mailbox_rpu0: mailbox@ff90400 {
+ ipi_mailbox_rpu0: mailbox@ff990400 {
reg = <0xff990400 0x20>,
<0xff990420 0x20>,
<0xff990080 0x20>,
diff --git a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt
index 8c4d649cdd8f..2d7cdf19a0d0 100644
--- a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt
+++ b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt
@@ -8,7 +8,7 @@ The embedded controller requires the SPI controller driver to signal readiness
to receive a transfer (that is, when TX FIFO contains the response data) by
strobing the ACK pin with the ready signal. See the "ready-gpios" property of the
SSP binding as documented in:
-<Documentation/devicetree/bindings/spi/spi-pxa2xx.txt>.
+<Documentation/devicetree/bindings/spi/marvell,mmp2-ssp.yaml>.
Example:
&ssp3 {
diff --git a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
index 219bcbd0d344..9ef5bacda8c1 100644
--- a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
+++ b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
@@ -3,7 +3,7 @@ MediaTek SoC built-in Bluetooth Devices
This device is a serial attached device to BTIF device and thus it must be a
child node of the serial node with BTIF. The dt-bindings details for BTIF
-device can be known via Documentation/devicetree/bindings/serial/8250.txt.
+device can be known via Documentation/devicetree/bindings/serial/8250.yaml.
Required properties:
diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt
index b68613188c19..1b8e8b4a6379 100644
--- a/Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt
@@ -114,7 +114,7 @@ with values derived from the SoC user manual.
[flags]>
On other mach-shmobile platforms GPIO is handled by the gpio-rcar driver.
-Please refer to Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
+Please refer to Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml
for documentation of the GPIO device tree bindings on those platforms.
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-card.txt b/Documentation/devicetree/bindings/sound/audio-graph-card.txt
index 269682619a70..d5f6919a2d69 100644
--- a/Documentation/devicetree/bindings/sound/audio-graph-card.txt
+++ b/Documentation/devicetree/bindings/sound/audio-graph-card.txt
@@ -5,7 +5,7 @@ It is based on common bindings for device graphs.
see ${LINUX}/Documentation/devicetree/bindings/graph.txt
Basically, Audio Graph Card property is same as Simple Card.
-see ${LINUX}/Documentation/devicetree/bindings/sound/simple-card.txt
+see ${LINUX}/Documentation/devicetree/bindings/sound/simple-card.yaml
Below are same as Simple-Card.
diff --git a/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt b/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
index 4d51f3f5ea98..a6ffcdec6f6a 100644
--- a/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
+++ b/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
@@ -5,7 +5,7 @@ codec or external codecs.
sti sound drivers allows to expose sti SoC audio interface through the
generic ASoC simple card. For details about sound card declaration please refer to
-Documentation/devicetree/bindings/sound/simple-card.txt.
+Documentation/devicetree/bindings/sound/simple-card.yaml.
1) sti-uniperiph-dai: audio dai device.
---------------------------------------
diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt b/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt
index 790311a42bf1..c8c1e913f4e7 100644
--- a/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt
+++ b/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt
@@ -19,7 +19,7 @@ Required properties:
SPI Controller nodes must be child of GENI based Qualcomm Universal
Peripharal. Please refer GENI based QUP wrapper controller node bindings
-described in Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt.
+described in Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml.
SPI slave nodes must be children of the SPI master node and conform to SPI bus
binding as described in Documentation/devicetree/bindings/spi/spi-bus.txt.
diff --git a/Documentation/devicetree/bindings/thermal/thermal-sensor.yaml b/Documentation/devicetree/bindings/thermal/thermal-sensor.yaml
index fcd25a0af38c..727d04550324 100644
--- a/Documentation/devicetree/bindings/thermal/thermal-sensor.yaml
+++ b/Documentation/devicetree/bindings/thermal/thermal-sensor.yaml
@@ -41,7 +41,7 @@ examples:
#include <dt-bindings/interrupt-controller/arm-gic.h>
// Example 1: SDM845 TSENS
- soc: soc@0 {
+ soc: soc {
#address-cells = <2>;
#size-cells = <2>;
diff --git a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
index b8515d3eeaa2..3ec9cc87ec50 100644
--- a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
+++ b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
@@ -224,7 +224,7 @@ examples:
#include <dt-bindings/thermal/thermal.h>
// Example 1: SDM845 TSENS
- soc: soc@0 {
+ soc {
#address-cells = <2>;
#size-cells = <2>;
diff --git a/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml b/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml
index 25b9209c2e5d..ea14de80ec75 100644
--- a/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml
@@ -35,7 +35,7 @@ examples:
#include <dt-bindings/soc/ti,sci_pm_domain.h>
vtm: thermal@42050000 {
compatible = "ti,am654-vtm";
- reg = <0x0 0x42050000 0x0 0x25c>;
+ reg = <0x42050000 0x25c>;
power-domains = <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>;
#thermal-sensor-cells = <1>;
};
diff --git a/Documentation/devicetree/bindings/timer/csky,mptimer.txt b/Documentation/devicetree/bindings/timer/csky,mptimer.txt
index 15cfec08fbb8..f5c7e99cf52b 100644
--- a/Documentation/devicetree/bindings/timer/csky,mptimer.txt
+++ b/Documentation/devicetree/bindings/timer/csky,mptimer.txt
@@ -8,7 +8,7 @@ regs is accessed by cpu co-processor 4 registers with mtcr/mfcr.
- PTIM_CTLR "cr<0, 14>" Control reg to start reset timer.
- PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg.
- PTIM_CCVR "cr<3, 14>" Current counter value reg.
- - PTIM_LVR "cr<6, 14>" Window value reg to triger next event.
+ - PTIM_LVR "cr<6, 14>" Window value reg to trigger next event.
==============================
timer node bindings definition
diff --git a/Documentation/devicetree/bindings/usb/aspeed,usb-vhub.yaml b/Documentation/devicetree/bindings/usb/aspeed,usb-vhub.yaml
index e4e83d3971ac..8b019ac05bbe 100644
--- a/Documentation/devicetree/bindings/usb/aspeed,usb-vhub.yaml
+++ b/Documentation/devicetree/bindings/usb/aspeed,usb-vhub.yaml
@@ -127,8 +127,8 @@ examples:
#address-cells = <1>;
#size-cells = <0>;
- string@0409 {
- reg = <0x0409>;
+ string@409 {
+ reg = <0x409>;
manufacturer = "ASPEED";
product = "USB Virtual Hub";
serial-number = "0000";
diff --git a/Documentation/devicetree/writing-schema.rst b/Documentation/devicetree/writing-schema.rst
index 220cf464ed77..8c74a99f95e2 100644
--- a/Documentation/devicetree/writing-schema.rst
+++ b/Documentation/devicetree/writing-schema.rst
@@ -1,4 +1,4 @@
-:orphan:
+.. SPDX-License-Identifier: GPL-2.0
Writing DeviceTree Bindings in json-schema
==========================================
@@ -124,9 +124,12 @@ dtc must also be built with YAML output support enabled. This requires that
libyaml and its headers be installed on the host system. For some distributions
that involves installing the development package, such as:
-Debian:
+Debian::
+
apt-get install libyaml-dev
-Fedora:
+
+Fedora::
+
dnf -y install libyaml-devel
Running checks
diff --git a/Documentation/i2c/slave-eeprom-backend.rst b/Documentation/i2c/slave-eeprom-backend.rst
index 0b8cd83698e0..38d951f10302 100644
--- a/Documentation/i2c/slave-eeprom-backend.rst
+++ b/Documentation/i2c/slave-eeprom-backend.rst
@@ -1,14 +1,26 @@
==============================
-Linux I2C slave eeprom backend
+Linux I2C slave EEPROM backend
==============================
-by Wolfram Sang <wsa@sang-engineering.com> in 2014-15
+by Wolfram Sang <wsa@sang-engineering.com> in 2014-20
-This is a proof-of-concept backend which acts like an EEPROM on the connected
-I2C bus. The memory contents can be modified from userspace via this file
-located in sysfs::
+This backend simulates an EEPROM on the connected I2C bus. Its memory contents
+can be accessed from userspace via this file located in sysfs::
/sys/bus/i2c/devices/<device-directory>/slave-eeprom
+The following types are available: 24c02, 24c32, 24c64, and 24c512. Read-only
+variants are also supported. The name needed for instantiating has the form
+'slave-<type>[ro]'. Examples follow:
+
+24c02, read/write, address 0x64:
+ # echo slave-24c02 0x1064 > /sys/bus/i2c/devices/i2c-1/new_device
+
+24c512, read-only, address 0x42:
+ # echo slave-24c512ro 0x1042 > /sys/bus/i2c/devices/i2c-1/new_device
+
+You can also preload data during boot if a device-property named
+'firmware-name' contains a valid filename (DT or ACPI only).
+
As of 2015, Linux doesn't support poll on binary sysfs files, so there is no
notification when another master changed the content.
diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst
index a45cccff467d..85ccc878895e 100644
--- a/Documentation/kbuild/modules.rst
+++ b/Documentation/kbuild/modules.rst
@@ -182,7 +182,8 @@ module 8123.ko, which is built from the following files::
8123_pci.c
8123_bin.o_shipped <= Binary blob
---- 3.1 Shared Makefile
+3.1 Shared Makefile
+-------------------
An external module always includes a wrapper makefile that
supports building the module using "make" with no arguments.
@@ -470,9 +471,9 @@ build.
The syntax of the Module.symvers file is::
- <CRC> <Symbol> <Module> <Export Type> <Namespace>
+ <CRC> <Symbol> <Module> <Export Type> <Namespace>
- 0xe1cc2a05 usb_stor_suspend drivers/usb/storage/usb-storage EXPORT_SYMBOL_GPL USB_STORAGE
+ 0xe1cc2a05 usb_stor_suspend drivers/usb/storage/usb-storage EXPORT_SYMBOL_GPL USB_STORAGE
The fields are separated by tabs and values may be empty (e.g.
if no namespace is defined for an exported symbol).
diff --git a/Documentation/kbuild/reproducible-builds.rst b/Documentation/kbuild/reproducible-builds.rst
index 503393854e2e..3b25655e441b 100644
--- a/Documentation/kbuild/reproducible-builds.rst
+++ b/Documentation/kbuild/reproducible-builds.rst
@@ -101,7 +101,7 @@ Structure randomisation
If you enable ``CONFIG_GCC_PLUGIN_RANDSTRUCT``, you will need to
pre-generate the random seed in
-``scripts/gcc-plgins/randomize_layout_seed.h`` so the same value
+``scripts/gcc-plugins/randomize_layout_seed.h`` so the same value
is used in rebuilds.
Debug info conflicts
diff --git a/Documentation/mips/ingenic-tcu.rst b/Documentation/mips/ingenic-tcu.rst
index c5a646b14450..2b75760619b4 100644
--- a/Documentation/mips/ingenic-tcu.rst
+++ b/Documentation/mips/ingenic-tcu.rst
@@ -68,4 +68,4 @@ and frameworks can be controlled from the same registers, all of these
drivers access their registers through the same regmap.
For more information regarding the devicetree bindings of the TCU drivers,
-have a look at Documentation/devicetree/bindings/timer/ingenic,tcu.txt.
+have a look at Documentation/devicetree/bindings/timer/ingenic,tcu.yaml.
diff --git a/Documentation/networking/arcnet.rst b/Documentation/networking/arcnet.rst
index e93d9820f0f1..82fce606c0f0 100644
--- a/Documentation/networking/arcnet.rst
+++ b/Documentation/networking/arcnet.rst
@@ -434,7 +434,7 @@ can set up your network then:
ifconfig arc0 insight
route add insight arc0
route add freedom arc0 /* I would use the subnet here (like I said
- to to in "single protocol" above),
+ to in "single protocol" above),
but the rest of the subnet
unfortunately lies across the PPP
link on freedom, which confuses
diff --git a/Documentation/networking/ax25.rst b/Documentation/networking/ax25.rst
index 824afd7002db..f060cfb1445a 100644
--- a/Documentation/networking/ax25.rst
+++ b/Documentation/networking/ax25.rst
@@ -6,7 +6,7 @@ AX.25
To use the amateur radio protocols within Linux you will need to get a
suitable copy of the AX.25 Utilities. More detailed information about
-AX.25, NET/ROM and ROSE, associated programs and and utilities can be
+AX.25, NET/ROM and ROSE, associated programs and utilities can be
found on http://www.linux-ax25.org.
There is an active mailing list for discussing Linux amateur radio matters
diff --git a/Documentation/networking/can_ucan_protocol.rst b/Documentation/networking/can_ucan_protocol.rst
index 4cef88d24fc7..638ac1ee7914 100644
--- a/Documentation/networking/can_ucan_protocol.rst
+++ b/Documentation/networking/can_ucan_protocol.rst
@@ -144,7 +144,7 @@ UCAN_COMMAND_SET_BITTIMING
*Host2Dev; mandatory*
-Setup bittiming by sending the the structure
+Setup bittiming by sending the structure
``ucan_ctl_payload_t.cmd_set_bittiming`` (see ``struct bittiming`` for
details)
@@ -232,7 +232,7 @@ UCAN_IN_TX_COMPLETE
zero
The CAN device has sent a message to the CAN bus. It answers with a
-list of of tuples <echo-ids, flags>.
+list of tuples <echo-ids, flags>.
The echo-id identifies the frame from (echos the id from a previous
UCAN_OUT_TX message). The flag indicates the result of the
diff --git a/Documentation/networking/dsa/dsa.rst b/Documentation/networking/dsa/dsa.rst
index 563d56c6a25c..a8d15dd2b42b 100644
--- a/Documentation/networking/dsa/dsa.rst
+++ b/Documentation/networking/dsa/dsa.rst
@@ -95,7 +95,7 @@ Ethernet switch.
Networking stack hooks
----------------------
-When a master netdev is used with DSA, a small hook is placed in in the
+When a master netdev is used with DSA, a small hook is placed in the
networking stack is in order to have the DSA subsystem process the Ethernet
switch specific tagging protocol. DSA accomplishes this by registering a
specific (and fake) Ethernet type (later becoming ``skb->protocol``) with the
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index b72f89d5694c..837d51f9e1fa 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -741,7 +741,7 @@ tcp_fastopen - INTEGER
Default: 0x1
- Note that that additional client or server features are only
+ Note that additional client or server features are only
effective if the basic support (0x1 and 0x2) are enabled respectively.
tcp_fastopen_blackhole_timeout_sec - INTEGER
diff --git a/Documentation/networking/ipvs-sysctl.rst b/Documentation/networking/ipvs-sysctl.rst
index be36c4600e8f..2afccc63856e 100644
--- a/Documentation/networking/ipvs-sysctl.rst
+++ b/Documentation/networking/ipvs-sysctl.rst
@@ -114,7 +114,7 @@ drop_entry - INTEGER
modes (when there is no enough available memory, the strategy
is enabled and the variable is automatically set to 2,
otherwise the strategy is disabled and the variable is set to
- 1), and 3 means that that the strategy is always enabled.
+ 1), and 3 means that the strategy is always enabled.
drop_packet - INTEGER
- 0 - disabled (default)
diff --git a/Documentation/networking/rxrpc.rst b/Documentation/networking/rxrpc.rst
index 68552b92dc44..39c2249c7aa7 100644
--- a/Documentation/networking/rxrpc.rst
+++ b/Documentation/networking/rxrpc.rst
@@ -186,7 +186,7 @@ About the AF_RXRPC driver:
time [tunable] after the last connection using it discarded, in case a new
connection is made that could use it.
- (#) A client-side connection is only shared between calls if they have have
+ (#) A client-side connection is only shared between calls if they have
the same key struct describing their security (and assuming the calls
would otherwise share the connection). Non-secured calls would also be
able to share connections with each other.
diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst
index 5cfb54c2aaa6..8f68e728ae6b 100644
--- a/Documentation/process/changes.rst
+++ b/Documentation/process/changes.rst
@@ -29,7 +29,7 @@ you probably needn't concern yourself with pcmciautils.
====================== =============== ========================================
Program Minimal version Command to check the version
====================== =============== ========================================
-GNU C 4.8 gcc --version
+GNU C 4.9 gcc --version
GNU make 3.81 make --version
binutils 2.23 ld -v
flex 2.5.35 flex --version
diff --git a/Documentation/process/coding-style.rst b/Documentation/process/coding-style.rst
index 2657a55c6f12..1bee6f8affdb 100644
--- a/Documentation/process/coding-style.rst
+++ b/Documentation/process/coding-style.rst
@@ -319,6 +319,26 @@ If you are afraid to mix up your local variable names, you have another
problem, which is called the function-growth-hormone-imbalance syndrome.
See chapter 6 (Functions).
+For symbol names and documentation, avoid introducing new usage of
+'master / slave' (or 'slave' independent of 'master') and 'blacklist /
+whitelist'.
+
+Recommended replacements for 'master / slave' are:
+ '{primary,main} / {secondary,replica,subordinate}'
+ '{initiator,requester} / {target,responder}'
+ '{controller,host} / {device,worker,proxy}'
+ 'leader / follower'
+ 'director / performer'
+
+Recommended replacements for 'blacklist/whitelist' are:
+ 'denylist / allowlist'
+ 'blocklist / passlist'
+
+Exceptions for introducing new usage is to maintain a userspace ABI/API,
+or when updating code for an existing (as of 2020) hardware or protocol
+specification that mandates those terms. For new specifications
+translate specification usage of the terminology to the kernel coding
+standard where possible.
5) Typedefs
-----------
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index 426f94582b7a..320788f81a05 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -4339,14 +4339,15 @@ Errors:
#define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001
struct kvm_vmx_nested_state_hdr {
- __u32 flags;
__u64 vmxon_pa;
__u64 vmcs12_pa;
- __u64 preemption_timer_deadline;
struct {
__u16 flags;
} smm;
+
+ __u32 flags;
+ __u64 preemption_timer_deadline;
};
struct kvm_vmx_nested_state_data {
diff --git a/MAINTAINERS b/MAINTAINERS
index 496fd4eafb68..b4a43a9e7fbc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2929,6 +2929,7 @@ F: include/uapi/linux/atm*
ATMEL MACB ETHERNET DRIVER
M: Nicolas Ferre <nicolas.ferre@microchip.com>
+M: Claudiu Beznea <claudiu.beznea@microchip.com>
S: Supported
F: drivers/net/ethernet/cadence/
@@ -3306,7 +3307,7 @@ X: arch/riscv/net/bpf_jit_comp32.c
BPF JIT for S390
M: Ilya Leoshkevich <iii@linux.ibm.com>
-M: Heiko Carstens <heiko.carstens@de.ibm.com>
+M: Heiko Carstens <hca@linux.ibm.com>
M: Vasily Gorbik <gor@linux.ibm.com>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
@@ -3946,7 +3947,7 @@ L: linux-crypto@vger.kernel.org
S: Supported
F: drivers/char/hw_random/cctrng.c
F: drivers/char/hw_random/cctrng.h
-F: Documentation/devicetree/bindings/rng/arm-cctrng.txt
+F: Documentation/devicetree/bindings/rng/arm-cctrng.yaml
W: https://developer.arm.com/products/system-ip/trustzone-cryptocell/cryptocell-700-family
CEC FRAMEWORK
@@ -5490,7 +5491,7 @@ F: include/uapi/drm/r128_drm.h
DRM DRIVER FOR RAYDIUM RM67191 PANELS
M: Robert Chiras <robert.chiras@nxp.com>
S: Maintained
-F: Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt
+F: Documentation/devicetree/bindings/display/panel/raydium,rm67191.yaml
F: drivers/gpu/drm/panel/panel-raydium-rm67191.c
DRM DRIVER FOR ROCKTECH JH057N00900 PANELS
@@ -14574,8 +14575,8 @@ RENESAS R-CAR THERMAL DRIVERS
M: Niklas Söderlund <niklas.soderlund@ragnatech.se>
L: linux-renesas-soc@vger.kernel.org
S: Supported
-F: Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt
-F: Documentation/devicetree/bindings/thermal/rcar-thermal.txt
+F: Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
+F: Documentation/devicetree/bindings/thermal/rcar-thermal.yaml
F: drivers/thermal/rcar_gen3_thermal.c
F: drivers/thermal/rcar_thermal.c
@@ -14831,7 +14832,7 @@ S: Maintained
F: drivers/video/fbdev/savage/
S390
-M: Heiko Carstens <heiko.carstens@de.ibm.com>
+M: Heiko Carstens <hca@linux.ibm.com>
M: Vasily Gorbik <gor@linux.ibm.com>
M: Christian Borntraeger <borntraeger@de.ibm.com>
L: linux-s390@vger.kernel.org
@@ -14862,7 +14863,7 @@ F: drivers/s390/block/dasd*
F: include/linux/dasd_mod.h
S390 IOMMU (PCI)
-M: Gerald Schaefer <gerald.schaefer@de.ibm.com>
+M: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
@@ -14890,7 +14891,7 @@ F: drivers/s390/net/
S390 PCI SUBSYSTEM
M: Niklas Schnelle <schnelle@linux.ibm.com>
-M: Gerald Schaefer <gerald.schaefer@de.ibm.com>
+M: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
diff --git a/Makefile b/Makefile
index a60c98519c37..fe0164a654c7 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 8
SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
NAME = Kleptomaniac Octopus
# *DOCUMENTATION*
@@ -970,8 +970,8 @@ LDFLAGS_vmlinux += --pack-dyn-relocs=relr
endif
# Align the bit size of userspace programs with the kernel
-KBUILD_USERCFLAGS += $(filter -m32 -m64, $(KBUILD_CFLAGS))
-KBUILD_USERLDFLAGS += $(filter -m32 -m64, $(KBUILD_CFLAGS))
+KBUILD_USERCFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
+KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
# make the checker run with the right architecture
CHECKFLAGS += --arch=$(ARCH)
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index fddc70029727..197896cfbd23 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -170,6 +170,15 @@ config ARC_CPU_HS
endchoice
+config ARC_TUNE_MCPU
+ string "Override default -mcpu compiler flag"
+ default ""
+ help
+ Override default -mcpu=xxx compiler flag (which is set depending on
+ the ISA version) with the specified value.
+ NOTE: If specified flag isn't supported by current compiler the
+ ISA default value will be used as a fallback.
+
config CPU_BIG_ENDIAN
bool "Enable Big Endian Mode"
help
@@ -465,6 +474,12 @@ config ARC_IRQ_NO_AUTOSAVE
This is programmable and can be optionally disabled in which case
software INTERRUPT_PROLOGUE/EPILGUE do the needed work
+config ARC_LPB_DISABLE
+ bool "Disable loop buffer (LPB)"
+ help
+ On HS cores, loop buffer (LPB) is programmable in runtime and can
+ be optionally disabled.
+
endif # ISA_ARCV2
endmenu # "ARC CPU Configuration"
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index 20e9ab6cc521..d00f8b8afd08 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -10,8 +10,25 @@ CROSS_COMPILE := $(call cc-cross-prefix, arc-linux- arceb-linux-)
endif
cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
-cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7
-cflags-$(CONFIG_ISA_ARCV2) += -mcpu=hs38
+
+tune-mcpu-def-$(CONFIG_ISA_ARCOMPACT) := -mcpu=arc700
+tune-mcpu-def-$(CONFIG_ISA_ARCV2) := -mcpu=hs38
+
+ifeq ($(CONFIG_ARC_TUNE_MCPU),"")
+cflags-y += $(tune-mcpu-def-y)
+else
+tune-mcpu := $(shell echo $(CONFIG_ARC_TUNE_MCPU))
+tune-mcpu-ok := $(call cc-option-yn, $(tune-mcpu))
+ifeq ($(tune-mcpu-ok),y)
+cflags-y += $(tune-mcpu)
+else
+# The flag provided by 'CONFIG_ARC_TUNE_MCPU' option isn't known by this compiler
+# (probably the compiler is too old). Use ISA default mcpu flag instead as a safe option.
+$(warning ** WARNING ** CONFIG_ARC_TUNE_MCPU flag '$(tune-mcpu)' is unknown, fallback to '$(tune-mcpu-def-y)')
+cflags-y += $(tune-mcpu-def-y)
+endif
+endif
+
ifdef CONFIG_ARC_CURR_IN_REG
# For a global register defintion, make sure it gets passed to every file
diff --git a/arch/arc/include/asm/elf.h b/arch/arc/include/asm/elf.h
index c77a0e3671ac..0284ace0e1ab 100644
--- a/arch/arc/include/asm/elf.h
+++ b/arch/arc/include/asm/elf.h
@@ -19,7 +19,7 @@
#define R_ARC_32_PCREL 0x31
/*to set parameters in the core dumps */
-#define ELF_ARCH EM_ARCOMPACT
+#define ELF_ARCH EM_ARC_INUSE
#define ELF_CLASS ELFCLASS32
#ifdef CONFIG_CPU_BIG_ENDIAN
diff --git a/arch/arc/include/asm/irqflags-compact.h b/arch/arc/include/asm/irqflags-compact.h
index 7fc73fef5e29..863d63ad18d6 100644
--- a/arch/arc/include/asm/irqflags-compact.h
+++ b/arch/arc/include/asm/irqflags-compact.h
@@ -90,6 +90,9 @@ static inline void arch_local_irq_restore(unsigned long flags)
/*
* Unconditionally Enable IRQs
*/
+#ifdef CONFIG_ARC_COMPACT_IRQ_LEVELS
+extern void arch_local_irq_enable(void);
+#else
static inline void arch_local_irq_enable(void)
{
unsigned long temp;
@@ -102,7 +105,7 @@ static inline void arch_local_irq_enable(void)
: "n"((STATUS_E1_MASK | STATUS_E2_MASK))
: "cc", "memory");
}
-
+#endif
/*
* Unconditionally Disable IRQs
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 60406ec62eb8..ea00c8a17f07 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -165,7 +165,6 @@ END(EV_Extension)
tracesys:
; save EFA in case tracer wants the PC of traced task
; using ERET won't work since next-PC has already committed
- lr r12, [efa]
GET_CURR_TASK_FIELD_PTR TASK_THREAD, r11
st r12, [r11, THREAD_FAULT_ADDR] ; thread.fault_address
@@ -208,15 +207,9 @@ tracesys_exit:
; Breakpoint TRAP
; ---------------------------------------------
trap_with_param:
-
- ; stop_pc info by gdb needs this info
- lr r0, [efa]
+ mov r0, r12 ; EFA in case ptracer/gdb wants stop_pc
mov r1, sp
- ; Now that we have read EFA, it is safe to do "fake" rtie
- ; and get out of CPU exception mode
- FAKE_RET_FROM_EXCPN
-
; Save callee regs in case gdb wants to have a look
; SP will grow up by size of CALLEE Reg-File
; NOTE: clobbers r12
@@ -243,6 +236,10 @@ ENTRY(EV_Trap)
EXCEPTION_PROLOGUE
+ lr r12, [efa]
+
+ FAKE_RET_FROM_EXCPN
+
;============ TRAP 1 :breakpoints
; Check ECR for trap with arg (PROLOGUE ensures r10 has ECR)
bmsk.f 0, r10, 7
@@ -250,9 +247,6 @@ ENTRY(EV_Trap)
;============ TRAP (no param): syscall top level
- ; First return from Exception to pure K mode (Exception/IRQs renabled)
- FAKE_RET_FROM_EXCPN
-
; If syscall tracing ongoing, invoke pre-post-hooks
GET_CURR_THR_INFO_FLAGS r10
btst r10, TIF_SYSCALL_TRACE
diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S
index 6eb23f1545ee..17fd1ed700cc 100644
--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -59,6 +59,14 @@
bclr r5, r5, STATUS_AD_BIT
#endif
kflag r5
+
+#ifdef CONFIG_ARC_LPB_DISABLE
+ lr r5, [ARC_REG_LPB_BUILD]
+ breq r5, 0, 1f ; LPB doesn't exist
+ mov r5, 1
+ sr r5, [ARC_REG_LPB_CTRL]
+1:
+#endif /* CONFIG_ARC_LPB_DISABLE */
#endif
; Config DSP_CTRL properly, so kernel may use integer multiply,
; multiply-accumulate, and divide operations
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index dad8a656a2f1..41f07b3e594e 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -58,10 +58,12 @@ static const struct id_to_str arc_legacy_rel[] = {
{ 0x00, NULL }
};
-static const struct id_to_str arc_cpu_rel[] = {
+static const struct id_to_str arc_hs_ver54_rel[] = {
/* UARCH.MAJOR, Release */
{ 0, "R3.10a"},
{ 1, "R3.50a"},
+ { 2, "R3.60a"},
+ { 3, "R4.00a"},
{ 0xFF, NULL }
};
@@ -117,12 +119,6 @@ static void decode_arc_core(struct cpuinfo_arc *cpu)
struct bcr_uarch_build_arcv2 uarch;
const struct id_to_str *tbl;
- /*
- * Up until (including) the first core4 release (0x54) things were
- * simple: AUX IDENTITY.ARCVER was sufficient to identify arc family
- * and release: 0x50 to 0x53 was HS38, 0x54 was HS48 (dual issue)
- */
-
if (cpu->core.family < 0x54) { /* includes arc700 */
for (tbl = &arc_legacy_rel[0]; tbl->id != 0; tbl++) {
@@ -143,11 +139,10 @@ static void decode_arc_core(struct cpuinfo_arc *cpu)
}
/*
- * However the subsequent HS release (same 0x54) allow HS38 or HS48
- * configurations and encode this info in a different BCR.
- * The BCR was introduced in 0x54 so can't be read unconditionally.
+ * Initial HS cores bumped AUX IDENTITY.ARCVER for each release until
+ * ARCVER 0x54 which introduced AUX MICRO_ARCH_BUILD and subsequent
+ * releases only update it.
*/
-
READ_BCR(ARC_REG_MICRO_ARCH_BCR, uarch);
if (uarch.prod == 4) {
@@ -158,7 +153,7 @@ static void decode_arc_core(struct cpuinfo_arc *cpu)
cpu->name = "HS38";
}
- for (tbl = &arc_cpu_rel[0]; tbl->id != 0xFF; tbl++) {
+ for (tbl = &arc_hs_ver54_rel[0]; tbl->id != 0xFF; tbl++) {
if (uarch.maj == tbl->id) {
cpu->release = tbl->str;
break;
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index c036a4a2f8e2..a1570c8bab25 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -31,15 +31,6 @@
#if defined(__APCS_26__)
#error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
#endif
-/*
- * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
- * miscompiles find_get_entry(), and can result in EXT3 and EXT4
- * filesystem corruption (possibly other FS too).
- */
-#if defined(GCC_VERSION) && GCC_VERSION >= 40800 && GCC_VERSION < 40803
-#error Your compiler is too buggy; it is known to miscompile kernels
-#error and result in filesystem corruption and oopses.
-#endif
int main(void)
{
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index fd4e1ce1daf9..e93145d72c26 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -241,7 +241,6 @@ static int __init fdt_find_hyper_node(unsigned long node, const char *uname,
* see Documentation/devicetree/bindings/arm/xen.txt for the
* documentation of the Xen Device Tree format.
*/
-#define GRANT_TABLE_PHYSADDR 0
void __init xen_early_init(void)
{
of_scan_flat_dt(fdt_find_hyper_node, NULL);
diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h
index 5e5dc05d63a0..12f0eb56a1cc 100644
--- a/arch/arm64/include/asm/alternative.h
+++ b/arch/arm64/include/asm/alternative.h
@@ -73,11 +73,11 @@ static inline void apply_alternatives_module(void *start, size_t length) { }
".pushsection .altinstructions,\"a\"\n" \
ALTINSTR_ENTRY(feature) \
".popsection\n" \
- ".pushsection .altinstr_replacement, \"a\"\n" \
+ ".subsection 1\n" \
"663:\n\t" \
newinstr "\n" \
"664:\n\t" \
- ".popsection\n\t" \
+ ".previous\n\t" \
".org . - (664b-663b) + (662b-661b)\n\t" \
".org . - (662b-661b) + (664b-663b)\n" \
".endif\n"
@@ -117,9 +117,9 @@ static inline void apply_alternatives_module(void *start, size_t length) { }
662: .pushsection .altinstructions, "a"
altinstruction_entry 661b, 663f, \cap, 662b-661b, 664f-663f
.popsection
- .pushsection .altinstr_replacement, "ax"
+ .subsection 1
663: \insn2
-664: .popsection
+664: .previous
.org . - (664b-663b) + (662b-661b)
.org . - (662b-661b) + (664b-663b)
.endif
@@ -160,7 +160,7 @@ static inline void apply_alternatives_module(void *start, size_t length) { }
.pushsection .altinstructions, "a"
altinstruction_entry 663f, 661f, \cap, 664f-663f, 662f-661f
.popsection
- .pushsection .altinstr_replacement, "ax"
+ .subsection 1
.align 2 /* So GAS knows label 661 is suitably aligned */
661:
.endm
@@ -179,9 +179,9 @@ static inline void apply_alternatives_module(void *start, size_t length) { }
.macro alternative_else
662:
.if .Lasm_alt_mode==0
- .pushsection .altinstr_replacement, "ax"
+ .subsection 1
.else
- .popsection
+ .previous
.endif
663:
.endm
@@ -192,7 +192,7 @@ static inline void apply_alternatives_module(void *start, size_t length) { }
.macro alternative_endif
664:
.if .Lasm_alt_mode==0
- .popsection
+ .previous
.endif
.org . - (664b-663b) + (662b-661b)
.org . - (662b-661b) + (664b-663b)
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index a358e97572c1..6647ae4f0231 100644
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -109,7 +109,7 @@ static inline u32 gic_read_pmr(void)
return read_sysreg_s(SYS_ICC_PMR_EL1);
}
-static inline void gic_write_pmr(u32 val)
+static __always_inline void gic_write_pmr(u32 val)
{
write_sysreg_s(val, SYS_ICC_PMR_EL1);
}
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h
index 7ae54d7d333a..9f0ec21d6327 100644
--- a/arch/arm64/include/asm/arch_timer.h
+++ b/arch/arm64/include/asm/arch_timer.h
@@ -58,6 +58,7 @@ struct arch_timer_erratum_workaround {
u64 (*read_cntvct_el0)(void);
int (*set_next_event_phys)(unsigned long, struct clock_event_device *);
int (*set_next_event_virt)(unsigned long, struct clock_event_device *);
+ bool disable_compat_vdso;
};
DECLARE_PER_CPU(const struct arch_timer_erratum_workaround *,
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index 5d1f4ae42799..f7c3d1ff091d 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -675,7 +675,7 @@ static inline bool system_supports_generic_auth(void)
cpus_have_const_cap(ARM64_HAS_GENERIC_AUTH);
}
-static inline bool system_uses_irq_prio_masking(void)
+static __always_inline bool system_uses_irq_prio_masking(void)
{
return IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) &&
cpus_have_const_cap(ARM64_HAS_IRQ_PRIO_MASKING);
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index a87a93f67671..7219cddeba66 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -86,6 +86,7 @@
#define QCOM_CPU_PART_FALKOR 0xC00
#define QCOM_CPU_PART_KRYO 0x200
#define QCOM_CPU_PART_KRYO_3XX_SILVER 0x803
+#define QCOM_CPU_PART_KRYO_4XX_GOLD 0x804
#define QCOM_CPU_PART_KRYO_4XX_SILVER 0x805
#define NVIDIA_CPU_PART_DENVER 0x003
@@ -114,6 +115,7 @@
#define MIDR_QCOM_FALKOR MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR)
#define MIDR_QCOM_KRYO MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO)
#define MIDR_QCOM_KRYO_3XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_3XX_SILVER)
+#define MIDR_QCOM_KRYO_4XX_GOLD MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_4XX_GOLD)
#define MIDR_QCOM_KRYO_4XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_4XX_SILVER)
#define MIDR_NVIDIA_DENVER MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_DENVER)
#define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL)
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index 2e7e0f452301..4d867c6446c4 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -67,7 +67,7 @@ extern bool arm64_use_ng_mappings;
#define PAGE_HYP __pgprot(_HYP_PAGE_DEFAULT | PTE_HYP | PTE_HYP_XN)
#define PAGE_HYP_EXEC __pgprot(_HYP_PAGE_DEFAULT | PTE_HYP | PTE_RDONLY)
#define PAGE_HYP_RO __pgprot(_HYP_PAGE_DEFAULT | PTE_HYP | PTE_RDONLY | PTE_HYP_XN)
-#define PAGE_HYP_DEVICE __pgprot(PROT_DEVICE_nGnRE | PTE_HYP)
+#define PAGE_HYP_DEVICE __pgprot(_PROT_DEFAULT | PTE_ATTRINDX(MT_DEVICE_nGnRE) | PTE_HYP | PTE_HYP_XN)
#define PAGE_S2_MEMATTR(attr) \
({ \
diff --git a/arch/arm64/include/asm/vdso/clocksource.h b/arch/arm64/include/asm/vdso/clocksource.h
index df6ea65c1dec..b054d9febfb5 100644
--- a/arch/arm64/include/asm/vdso/clocksource.h
+++ b/arch/arm64/include/asm/vdso/clocksource.h
@@ -2,7 +2,10 @@
#ifndef __ASM_VDSOCLOCKSOURCE_H
#define __ASM_VDSOCLOCKSOURCE_H
-#define VDSO_ARCH_CLOCKMODES \
- VDSO_CLOCKMODE_ARCHTIMER
+#define VDSO_ARCH_CLOCKMODES \
+ /* vdso clocksource for both 32 and 64bit tasks */ \
+ VDSO_CLOCKMODE_ARCHTIMER, \
+ /* vdso clocksource for 64bit tasks only */ \
+ VDSO_CLOCKMODE_ARCHTIMER_NOCOMPAT
#endif
diff --git a/arch/arm64/include/asm/vdso/compat_gettimeofday.h b/arch/arm64/include/asm/vdso/compat_gettimeofday.h
index b6907ae78e53..9a625e8947ff 100644
--- a/arch/arm64/include/asm/vdso/compat_gettimeofday.h
+++ b/arch/arm64/include/asm/vdso/compat_gettimeofday.h
@@ -111,7 +111,7 @@ static __always_inline u64 __arch_get_hw_counter(s32 clock_mode)
* update. Return something. Core will do another round and then
* see the mode change and fallback to the syscall.
*/
- if (clock_mode == VDSO_CLOCKMODE_NONE)
+ if (clock_mode != VDSO_CLOCKMODE_ARCHTIMER)
return 0;
/*
@@ -152,6 +152,12 @@ static __always_inline const struct vdso_data *__arch_get_vdso_data(void)
return ret;
}
+static inline bool vdso_clocksource_ok(const struct vdso_data *vd)
+{
+ return vd->clock_mode == VDSO_CLOCKMODE_ARCHTIMER;
+}
+#define vdso_clocksource_ok vdso_clocksource_ok
+
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_VDSO_GETTIMEOFDAY_H */
diff --git a/arch/arm64/kernel/alternative.c b/arch/arm64/kernel/alternative.c
index d1757ef1b1e7..73039949b5ce 100644
--- a/arch/arm64/kernel/alternative.c
+++ b/arch/arm64/kernel/alternative.c
@@ -43,20 +43,8 @@ bool alternative_is_applied(u16 cpufeature)
*/
static bool branch_insn_requires_update(struct alt_instr *alt, unsigned long pc)
{
- unsigned long replptr;
-
- if (kernel_text_address(pc))
- return true;
-
- replptr = (unsigned long)ALT_REPL_PTR(alt);
- if (pc >= replptr && pc <= (replptr + alt->alt_len))
- return false;
-
- /*
- * Branching into *another* alternate sequence is doomed, and
- * we're not even trying to fix it up.
- */
- BUG();
+ unsigned long replptr = (unsigned long)ALT_REPL_PTR(alt);
+ return !(pc >= replptr && pc <= (replptr + alt->alt_len));
}
#define align_down(x, a) ((unsigned long)(x) & ~(((unsigned long)(a)) - 1))
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index cf50c53e9357..79728bfb5351 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -472,12 +472,7 @@ static bool
has_cortex_a76_erratum_1463225(const struct arm64_cpu_capabilities *entry,
int scope)
{
- u32 midr = read_cpuid_id();
- /* Cortex-A76 r0p0 - r3p1 */
- struct midr_range range = MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1);
-
- WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
- return is_midr_in_range(midr, &range) && is_kernel_in_hyp_mode();
+ return is_affected_midr_range_list(entry, scope) && is_kernel_in_hyp_mode();
}
#endif
@@ -728,6 +723,8 @@ static const struct midr_range erratum_1418040_list[] = {
MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1),
/* Neoverse-N1 r0p0 to r3p1 */
MIDR_RANGE(MIDR_NEOVERSE_N1, 0, 0, 3, 1),
+ /* Kryo4xx Gold (rcpe to rfpf) => (r0p0 to r3p1) */
+ MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xf),
{},
};
#endif
@@ -772,11 +769,23 @@ static const struct midr_range erratum_speculative_at_list[] = {
#ifdef CONFIG_ARM64_ERRATUM_1530923
/* Cortex A55 r0p0 to r2p0 */
MIDR_RANGE(MIDR_CORTEX_A55, 0, 0, 2, 0),
+ /* Kryo4xx Silver (rdpe => r1p0) */
+ MIDR_REV(MIDR_QCOM_KRYO_4XX_SILVER, 0xd, 0xe),
#endif
{},
};
#endif
+#ifdef CONFIG_ARM64_ERRATUM_1463225
+static const struct midr_range erratum_1463225[] = {
+ /* Cortex-A76 r0p0 - r3p1 */
+ MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1),
+ /* Kryo4xx Gold (rcpe to rfpf) => (r0p0 to r3p1) */
+ MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xf),
+ {},
+};
+#endif
+
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
@@ -916,6 +925,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
.capability = ARM64_WORKAROUND_1463225,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = has_cortex_a76_erratum_1463225,
+ .midr_range_list = erratum_1463225,
},
#endif
#ifdef CONFIG_CAVIUM_TX2_ERRATUM_219
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 9f63053a63a9..9fae0efc80c1 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -1408,6 +1408,8 @@ static bool cpu_has_broken_dbm(void)
static const struct midr_range cpus[] = {
#ifdef CONFIG_ARM64_ERRATUM_1024718
MIDR_RANGE(MIDR_CORTEX_A55, 0, 0, 1, 0), // A55 r0p0 -r1p0
+ /* Kryo4xx Silver (rdpe => r1p0) */
+ MIDR_REV(MIDR_QCOM_KRYO_4XX_SILVER, 0xd, 0xe),
#endif
{},
};
diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c
index 3dbdf9752b11..d3be9dbf5490 100644
--- a/arch/arm64/kernel/entry-common.c
+++ b/arch/arm64/kernel/entry-common.c
@@ -57,7 +57,7 @@ static void notrace el1_dbg(struct pt_regs *regs, unsigned long esr)
/*
* The CPU masked interrupts, and we are leaving them masked during
* do_debug_exception(). Update PMR as if we had called
- * local_mask_daif().
+ * local_daif_mask().
*/
if (system_uses_irq_prio_masking())
gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET);
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 5304d193c79d..35de8ba60e3d 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -126,8 +126,10 @@ alternative_else_nop_endif
add \dst, \dst, #(\sym - .entry.tramp.text)
.endm
- // This macro corrupts x0-x3. It is the caller's duty
- // to save/restore them if required.
+ /*
+ * This macro corrupts x0-x3. It is the caller's duty to save/restore
+ * them if required.
+ */
.macro apply_ssbd, state, tmp1, tmp2
#ifdef CONFIG_ARM64_SSBD
alternative_cb arm64_enable_wa2_handling
@@ -167,13 +169,28 @@ alternative_cb_end
stp x28, x29, [sp, #16 * 14]
.if \el == 0
+ .if \regsize == 32
+ /*
+ * If we're returning from a 32-bit task on a system affected by
+ * 1418040 then re-enable userspace access to the virtual counter.
+ */
+#ifdef CONFIG_ARM64_ERRATUM_1418040
+alternative_if ARM64_WORKAROUND_1418040
+ mrs x0, cntkctl_el1
+ orr x0, x0, #2 // ARCH_TIMER_USR_VCT_ACCESS_EN
+ msr cntkctl_el1, x0
+alternative_else_nop_endif
+#endif
+ .endif
clear_gp_regs
mrs x21, sp_el0
ldr_this_cpu tsk, __entry_task, x20
msr sp_el0, tsk
- // Ensure MDSCR_EL1.SS is clear, since we can unmask debug exceptions
- // when scheduling.
+ /*
+ * Ensure MDSCR_EL1.SS is clear, since we can unmask debug exceptions
+ * when scheduling.
+ */
ldr x19, [tsk, #TSK_TI_FLAGS]
disable_step_tsk x19, x20
@@ -320,6 +337,14 @@ alternative_else_nop_endif
tst x22, #PSR_MODE32_BIT // native task?
b.eq 3f
+#ifdef CONFIG_ARM64_ERRATUM_1418040
+alternative_if ARM64_WORKAROUND_1418040
+ mrs x0, cntkctl_el1
+ bic x0, x0, #2 // ARCH_TIMER_USR_VCT_ACCESS_EN
+ msr cntkctl_el1, x0
+alternative_else_nop_endif
+#endif
+
#ifdef CONFIG_ARM64_ERRATUM_845719
alternative_if ARM64_WORKAROUND_845719
#ifdef CONFIG_PID_IN_CONTEXTIDR
@@ -331,21 +356,6 @@ alternative_if ARM64_WORKAROUND_845719
alternative_else_nop_endif
#endif
3:
-#ifdef CONFIG_ARM64_ERRATUM_1418040
-alternative_if_not ARM64_WORKAROUND_1418040
- b 4f
-alternative_else_nop_endif
- /*
- * if (x22.mode32 == cntkctl_el1.el0vcten)
- * cntkctl_el1.el0vcten = ~cntkctl_el1.el0vcten
- */
- mrs x1, cntkctl_el1
- eon x0, x1, x22, lsr #3
- tbz x0, #1, 4f
- eor x1, x1, #2 // ARCH_TIMER_USR_VCT_ACCESS_EN
- msr cntkctl_el1, x1
-4:
-#endif
scs_save tsk, x0
/* No kernel C function calls after this as user keys are set. */
@@ -377,11 +387,11 @@ alternative_else_nop_endif
.if \el == 0
alternative_insn eret, nop, ARM64_UNMAP_KERNEL_AT_EL0
#ifdef CONFIG_UNMAP_KERNEL_AT_EL0
- bne 5f
+ bne 4f
msr far_el1, x30
tramp_alias x30, tramp_exit_native
br x30
-5:
+4:
tramp_alias x30, tramp_exit_compat
br x30
#endif
diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c
index 43119922341f..1a157ca33262 100644
--- a/arch/arm64/kernel/kgdb.c
+++ b/arch/arm64/kernel/kgdb.c
@@ -252,7 +252,7 @@ static int kgdb_step_brk_fn(struct pt_regs *regs, unsigned int esr)
if (!kgdb_single_step)
return DBG_HOOK_ERROR;
- kgdb_handle_exception(1, SIGTRAP, 0, regs);
+ kgdb_handle_exception(0, SIGTRAP, 0, regs);
return DBG_HOOK_HANDLED;
}
NOKPROBE_SYMBOL(kgdb_step_brk_fn);
diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c
index cbe49cd117cf..5290f17a4d80 100644
--- a/arch/arm64/kernel/probes/kprobes.c
+++ b/arch/arm64/kernel/probes/kprobes.c
@@ -122,7 +122,7 @@ void *alloc_insn_page(void)
{
return __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,
GFP_KERNEL, PAGE_KERNEL_ROX, VM_FLUSH_RESET_PERMS,
- NUMA_NO_NODE, __func__);
+ NUMA_NO_NODE, __builtin_return_address(0));
}
/* arm kprobe: install breakpoint in text */
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 6827da7f3aa5..5423ffe0a987 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -165,9 +165,6 @@ SECTIONS
*(.altinstructions)
__alt_instructions_end = .;
}
- .altinstr_replacement : {
- *(.altinstr_replacement)
- }
. = ALIGN(SEGMENT_ALIGN);
__inittext_end = .;
diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S
index 6e6ed5581eed..e76c0e89d48e 100644
--- a/arch/arm64/kvm/hyp-init.S
+++ b/arch/arm64/kvm/hyp-init.S
@@ -136,11 +136,15 @@ SYM_CODE_START(__kvm_handle_stub_hvc)
1: cmp x0, #HVC_RESET_VECTORS
b.ne 1f
-reset:
+
/*
- * Reset kvm back to the hyp stub. Do not clobber x0-x4 in
- * case we coming via HVC_SOFT_RESTART.
+ * Set the HVC_RESET_VECTORS return code before entering the common
+ * path so that we do not clobber x0-x2 in case we are coming via
+ * HVC_SOFT_RESTART.
*/
+ mov x0, xzr
+reset:
+ /* Reset kvm back to the hyp stub. */
mrs x5, sctlr_el2
mov_q x6, SCTLR_ELx_FLAGS
bic x5, x5, x6 // Clear SCTL_M and etc
@@ -151,7 +155,6 @@ reset:
/* Install stub vectors */
adr_l x5, __hyp_stub_vectors
msr vbar_el2, x5
- mov x0, xzr
eret
1: /* Bad stub call */
diff --git a/arch/arm64/kvm/pmu.c b/arch/arm64/kvm/pmu.c
index b5ae3a5d509e..3c224162b3dd 100644
--- a/arch/arm64/kvm/pmu.c
+++ b/arch/arm64/kvm/pmu.c
@@ -159,7 +159,10 @@ static void kvm_vcpu_pmu_disable_el0(unsigned long events)
}
/*
- * On VHE ensure that only guest events have EL0 counting enabled
+ * On VHE ensure that only guest events have EL0 counting enabled.
+ * This is called from both vcpu_{load,put} and the sysreg handling.
+ * Since the latter is preemptible, special care must be taken to
+ * disable preemption.
*/
void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu)
{
@@ -169,12 +172,14 @@ void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu)
if (!has_vhe())
return;
+ preempt_disable();
host = this_cpu_ptr(&kvm_host_data);
events_guest = host->pmu_events.events_guest;
events_host = host->pmu_events.events_host;
kvm_vcpu_pmu_enable_el0(events_guest);
kvm_vcpu_pmu_disable_el0(events_host);
+ preempt_enable();
}
/*
diff --git a/arch/arm64/kvm/pvtime.c b/arch/arm64/kvm/pvtime.c
index 1e0f4c284888..f7b52ce1557e 100644
--- a/arch/arm64/kvm/pvtime.c
+++ b/arch/arm64/kvm/pvtime.c
@@ -3,6 +3,7 @@
#include <linux/arm-smccc.h>
#include <linux/kvm_host.h>
+#include <linux/sched/stat.h>
#include <asm/kvm_mmu.h>
#include <asm/pvclock-abi.h>
@@ -73,6 +74,11 @@ gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu)
return base;
}
+static bool kvm_arm_pvtime_supported(void)
+{
+ return !!sched_info_on();
+}
+
int kvm_arm_pvtime_set_attr(struct kvm_vcpu *vcpu,
struct kvm_device_attr *attr)
{
@@ -82,7 +88,8 @@ int kvm_arm_pvtime_set_attr(struct kvm_vcpu *vcpu,
int ret = 0;
int idx;
- if (attr->attr != KVM_ARM_VCPU_PVTIME_IPA)
+ if (!kvm_arm_pvtime_supported() ||
+ attr->attr != KVM_ARM_VCPU_PVTIME_IPA)
return -ENXIO;
if (get_user(ipa, user))
@@ -110,7 +117,8 @@ int kvm_arm_pvtime_get_attr(struct kvm_vcpu *vcpu,
u64 __user *user = (u64 __user *)attr->addr;
u64 ipa;
- if (attr->attr != KVM_ARM_VCPU_PVTIME_IPA)
+ if (!kvm_arm_pvtime_supported() ||
+ attr->attr != KVM_ARM_VCPU_PVTIME_IPA)
return -ENXIO;
ipa = vcpu->arch.steal.base;
@@ -125,7 +133,8 @@ int kvm_arm_pvtime_has_attr(struct kvm_vcpu *vcpu,
{
switch (attr->attr) {
case KVM_ARM_VCPU_PVTIME_IPA:
- return 0;
+ if (kvm_arm_pvtime_supported())
+ return 0;
}
return -ENXIO;
}
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index d3b209023727..6ed36be51b4b 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -245,7 +245,7 @@ static int kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
*/
int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
{
- int ret = -EINVAL;
+ int ret;
bool loaded;
u32 pstate;
@@ -269,15 +269,19 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
if (test_bit(KVM_ARM_VCPU_PTRAUTH_ADDRESS, vcpu->arch.features) ||
test_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, vcpu->arch.features)) {
- if (kvm_vcpu_enable_ptrauth(vcpu))
+ if (kvm_vcpu_enable_ptrauth(vcpu)) {
+ ret = -EINVAL;
goto out;
+ }
}
switch (vcpu->arch.target) {
default:
if (test_bit(KVM_ARM_VCPU_EL1_32BIT, vcpu->arch.features)) {
- if (!cpus_have_const_cap(ARM64_HAS_32BIT_EL1))
+ if (!cpus_have_const_cap(ARM64_HAS_32BIT_EL1)) {
+ ret = -EINVAL;
goto out;
+ }
pstate = VCPU_RESET_PSTATE_SVC;
} else {
pstate = VCPU_RESET_PSTATE_EL1;
diff --git a/arch/arm64/kvm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c
index 27ac833e5ec7..b5fa73c9fd35 100644
--- a/arch/arm64/kvm/vgic/vgic-v4.c
+++ b/arch/arm64/kvm/vgic/vgic-v4.c
@@ -90,7 +90,15 @@ static irqreturn_t vgic_v4_doorbell_handler(int irq, void *info)
!irqd_irq_disabled(&irq_to_desc(irq)->irq_data))
disable_irq_nosync(irq);
+ /*
+ * The v4.1 doorbell can fire concurrently with the vPE being
+ * made non-resident. Ensure we only update pending_last
+ * *after* the non-residency sequence has completed.
+ */
+ raw_spin_lock(&vcpu->arch.vgic_cpu.vgic_v3.its_vpe.vpe_lock);
vcpu->arch.vgic_cpu.vgic_v3.its_vpe.pending_last = true;
+ raw_spin_unlock(&vcpu->arch.vgic_cpu.vgic_v3.its_vpe.vpe_lock);
+
kvm_make_request(KVM_REQ_IRQ_PENDING, vcpu);
kvm_vcpu_kick(vcpu);
diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
index e779b19e0193..f66f4b1d062e 100644
--- a/arch/m68k/kernel/setup_no.c
+++ b/arch/m68k/kernel/setup_no.c
@@ -138,7 +138,8 @@ void __init setup_arch(char **cmdline_p)
pr_debug("MEMORY -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx\n ",
__bss_stop, memory_start, memory_start, memory_end);
- memblock_add(memory_start, memory_end - memory_start);
+ memblock_add(_rambase, memory_end - _rambase);
+ memblock_reserve(_rambase, memory_start - _rambase);
/* Keep a copy of command line */
*cmdline_p = &command_line[0];
diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c
index 29f47923aa46..7d04210d34f0 100644
--- a/arch/m68k/mm/mcfmmu.c
+++ b/arch/m68k/mm/mcfmmu.c
@@ -174,7 +174,7 @@ void __init cf_bootmem_alloc(void)
m68k_memory[0].addr = _rambase;
m68k_memory[0].size = _ramend - _rambase;
- memblock_add(m68k_memory[0].addr, m68k_memory[0].size);
+ memblock_add_node(m68k_memory[0].addr, m68k_memory[0].size, 0);
/* compute total pages in system */
num_pages = PFN_DOWN(_ramend - _rambase);
diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts
index 8d22828787d8..bc72304a2440 100644
--- a/arch/mips/boot/dts/ingenic/gcw0.dts
+++ b/arch/mips/boot/dts/ingenic/gcw0.dts
@@ -92,7 +92,7 @@
"MIC1N", "Built-in Mic";
simple-audio-card,pin-switches = "Speaker", "Headphones";
- simple-audio-card,hp-det-gpio = <&gpf 21 GPIO_ACTIVE_HIGH>;
+ simple-audio-card,hp-det-gpio = <&gpf 21 GPIO_ACTIVE_LOW>;
simple-audio-card,aux-devs = <&speaker_amp>, <&headphones_amp>;
simple-audio-card,bitclock-master = <&dai_codec>;
diff --git a/arch/mips/include/asm/unroll.h b/arch/mips/include/asm/unroll.h
index c628747d4ecd..7dd4a80e05d6 100644
--- a/arch/mips/include/asm/unroll.h
+++ b/arch/mips/include/asm/unroll.h
@@ -19,15 +19,13 @@
\
/* \
* We can't unroll if the number of iterations isn't \
- * compile-time constant. Unfortunately GCC versions \
- * up until 4.6 tend to miss obvious constants & cause \
+ * compile-time constant. Unfortunately clang versions \
+ * up until 8.0 tend to miss obvious constants & cause \
* this check to fail, even though they go on to \
* generate reasonable code for the switch statement, \
* so we skip the sanity check for those compilers. \
*/ \
- BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \
- CONFIG_CLANG_VERSION >= 80000) && \
- !__builtin_constant_p(times)); \
+ BUILD_BUG_ON(!__builtin_constant_p(times)); \
\
switch (times) { \
case 32: fn(__VA_ARGS__); /* fall through */ \
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 7c32c956156a..f655af68176c 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -723,12 +723,14 @@ static int simulate_loongson3_cpucfg(struct pt_regs *regs,
perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, regs, 0);
/* Do not emulate on unsupported core models. */
- if (!loongson3_cpucfg_emulation_enabled(&current_cpu_data))
+ preempt_disable();
+ if (!loongson3_cpucfg_emulation_enabled(&current_cpu_data)) {
+ preempt_enable();
return -1;
-
+ }
regs->regs[rd] = loongson3_cpucfg_read_synthesized(
&current_cpu_data, sel);
-
+ preempt_enable();
return 0;
}
@@ -2169,6 +2171,7 @@ static void configure_status(void)
change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX,
status_set);
+ back_to_back_c0_hazard();
}
unsigned int hwrena;
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index 5ae82d925197..d242300cacc0 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1722,6 +1722,7 @@ enum emulation_result kvm_mips_emulate_store(union mips_instruction inst,
vcpu->arch.gprs[rt], *(u32 *)data);
break;
+#if defined(CONFIG_64BIT) && defined(CONFIG_KVM_MIPS_VZ)
case sdl_op:
run->mmio.phys_addr = kvm_mips_callbacks->gva_to_gpa(
vcpu->arch.host_cp0_badvaddr) & (~0x7);
@@ -1815,6 +1816,7 @@ enum emulation_result kvm_mips_emulate_store(union mips_instruction inst,
vcpu->arch.pc, vcpu->arch.host_cp0_badvaddr,
vcpu->arch.gprs[rt], *(u64 *)data);
break;
+#endif
#ifdef CONFIG_CPU_LOONGSON64
case sdc2_op:
@@ -2002,6 +2004,7 @@ enum emulation_result kvm_mips_emulate_load(union mips_instruction inst,
}
break;
+#if defined(CONFIG_64BIT) && defined(CONFIG_KVM_MIPS_VZ)
case ldl_op:
run->mmio.phys_addr = kvm_mips_callbacks->gva_to_gpa(
vcpu->arch.host_cp0_badvaddr) & (~0x7);
@@ -2073,6 +2076,7 @@ enum emulation_result kvm_mips_emulate_load(union mips_instruction inst,
break;
}
break;
+#endif
#ifdef CONFIG_CPU_LOONGSON64
case ldc2_op:
diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index aa37545ebe8f..b10342018d19 100644
--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -514,8 +514,8 @@ void __init ltq_soc_init(void)
clkdev_add_pmu("1e10b308.eth", NULL, 0, 0, PMU_SWITCH |
PMU_PPE_DP | PMU_PPE_TC);
clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
- clkdev_add_pmu("1e108000.gswip", "gphy0", 0, 0, PMU_GPHY);
- clkdev_add_pmu("1e108000.gswip", "gphy1", 0, 0, PMU_GPHY);
+ clkdev_add_pmu("1e108000.switch", "gphy0", 0, 0, PMU_GPHY);
+ clkdev_add_pmu("1e108000.switch", "gphy1", 0, 0, PMU_GPHY);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
clkdev_add_pmu("1e116000.mei", "afe", 1, 2, PMU_ANALOG_DSL_AFE);
clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
@@ -538,8 +538,8 @@ void __init ltq_soc_init(void)
PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM |
PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 |
PMU_PPE_QSB | PMU_PPE_TOP);
- clkdev_add_pmu("1e108000.gswip", "gphy0", 0, 0, PMU_GPHY);
- clkdev_add_pmu("1e108000.gswip", "gphy1", 0, 0, PMU_GPHY);
+ clkdev_add_pmu("1e108000.switch", "gphy0", 0, 0, PMU_GPHY);
+ clkdev_add_pmu("1e108000.switch", "gphy1", 0, 0, PMU_GPHY);
clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index fa080694e581..0fc8bad878b2 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -2551,7 +2551,7 @@ EXC_VIRT_NONE(0x5400, 0x100)
INT_DEFINE_BEGIN(denorm_exception)
IVEC=0x1500
IHSRR=1
- IBRANCH_COMMON=0
+ IBRANCH_TO_COMMON=0
IKVM_REAL=1
INT_DEFINE_END(denorm_exception)
diff --git a/arch/powerpc/mm/book3s64/pkeys.c b/arch/powerpc/mm/book3s64/pkeys.c
index 1199fc2bfaec..ca5fcb4bff32 100644
--- a/arch/powerpc/mm/book3s64/pkeys.c
+++ b/arch/powerpc/mm/book3s64/pkeys.c
@@ -353,9 +353,6 @@ static bool pkey_access_permitted(int pkey, bool write, bool execute)
int pkey_shift;
u64 amr;
- if (!is_pkey_enabled(pkey))
- return true;
-
pkey_shift = pkeyshift(pkey);
if (execute && !(read_iamr() & (IAMR_EX_BIT << pkey_shift)))
return true;
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 128192e14ff2..3230c1d48562 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -23,6 +23,8 @@ config RISCV
select ARCH_HAS_SET_DIRECT_MAP
select ARCH_HAS_SET_MEMORY
select ARCH_HAS_STRICT_KERNEL_RWX if MMU
+ select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
+ select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select ARCH_WANT_FRAME_POINTERS
select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
diff --git a/arch/riscv/include/asm/gdb_xml.h b/arch/riscv/include/asm/gdb_xml.h
index 041b45f5b997..09342111f227 100644
--- a/arch/riscv/include/asm/gdb_xml.h
+++ b/arch/riscv/include/asm/gdb_xml.h
@@ -3,8 +3,7 @@
#ifndef __ASM_GDB_XML_H_
#define __ASM_GDB_XML_H_
-#define kgdb_arch_gdb_stub_feature riscv_gdb_stub_feature
-static const char riscv_gdb_stub_feature[64] =
+const char riscv_gdb_stub_feature[64] =
"PacketSize=800;qXfer:features:read+;";
static const char gdb_xfer_read_target[31] = "qXfer:features:read:target.xml:";
diff --git a/arch/riscv/include/asm/kgdb.h b/arch/riscv/include/asm/kgdb.h
index 8177a457caff..46677daf708b 100644
--- a/arch/riscv/include/asm/kgdb.h
+++ b/arch/riscv/include/asm/kgdb.h
@@ -19,7 +19,6 @@
#ifndef __ASSEMBLY__
-extern int kgdb_has_hit_break(unsigned long addr);
extern unsigned long kgdb_compiled_break;
static inline void arch_kgdb_breakpoint(void)
@@ -106,7 +105,9 @@ static inline void arch_kgdb_breakpoint(void)
#define DBG_REG_BADADDR_OFF 34
#define DBG_REG_CAUSE_OFF 35
-#include <asm/gdb_xml.h>
+extern const char riscv_gdb_stub_feature[64];
+
+#define kgdb_arch_gdb_stub_feature riscv_gdb_stub_feature
#endif
#endif
diff --git a/arch/riscv/kernel/kgdb.c b/arch/riscv/kernel/kgdb.c
index c3275f42d1ac..963ed7edcff2 100644
--- a/arch/riscv/kernel/kgdb.c
+++ b/arch/riscv/kernel/kgdb.c
@@ -44,18 +44,18 @@ DECLARE_INSN(c_beqz, MATCH_C_BEQZ, MASK_C_BEQZ)
DECLARE_INSN(c_bnez, MATCH_C_BNEZ, MASK_C_BNEZ)
DECLARE_INSN(sret, MATCH_SRET, MASK_SRET)
-int decode_register_index(unsigned long opcode, int offset)
+static int decode_register_index(unsigned long opcode, int offset)
{
return (opcode >> offset) & 0x1F;
}
-int decode_register_index_short(unsigned long opcode, int offset)
+static int decode_register_index_short(unsigned long opcode, int offset)
{
return ((opcode >> offset) & 0x7) + 8;
}
/* Calculate the new address for after a step */
-int get_step_address(struct pt_regs *regs, unsigned long *next_addr)
+static int get_step_address(struct pt_regs *regs, unsigned long *next_addr)
{
unsigned long pc = regs->epc;
unsigned long *regs_ptr = (unsigned long *)regs;
@@ -136,7 +136,7 @@ int get_step_address(struct pt_regs *regs, unsigned long *next_addr)
return 0;
}
-int do_single_step(struct pt_regs *regs)
+static int do_single_step(struct pt_regs *regs)
{
/* Determine where the target instruction will send us to */
unsigned long addr = 0;
@@ -320,7 +320,7 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code,
return err;
}
-int kgdb_riscv_kgdbbreak(unsigned long addr)
+static int kgdb_riscv_kgdbbreak(unsigned long addr)
{
if (stepped_address == addr)
return KGDB_SW_SINGLE_STEP;
diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index 46038bc58c9e..0cf9a82326a8 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -1,5 +1,6 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
+CONFIG_WATCH_QUEUE=y
CONFIG_AUDIT=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
@@ -14,7 +15,6 @@ CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_NUMA_BALANCING=y
CONFIG_MEMCG=y
-CONFIG_MEMCG_SWAP=y
CONFIG_BLK_CGROUP=y
CONFIG_CFS_BANDWIDTH=y
CONFIG_RT_GROUP_SCHED=y
@@ -31,9 +31,9 @@ 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_BPF_LSM=y
CONFIG_BPF_SYSCALL=y
CONFIG_USERFAULTFD=y
# CONFIG_COMPAT_BRK is not set
@@ -51,14 +51,11 @@ CONFIG_CHSC_SCH=y
CONFIG_VFIO_CCW=m
CONFIG_VFIO_AP=m
CONFIG_CRASH_DUMP=y
-CONFIG_HIBERNATION=y
-CONFIG_PM_DEBUG=y
CONFIG_PROTECTED_VIRTUALIZATION_GUEST=y
CONFIG_CMM=m
CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
-CONFIG_VHOST_NET=m
-CONFIG_VHOST_VSOCK=m
+CONFIG_S390_UNWIND_SELFTEST=y
CONFIG_OPROFILE=m
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
@@ -77,6 +74,8 @@ CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_INLINE_ENCRYPTION=y
+CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
CONFIG_BSD_DISKLABEL=y
@@ -96,7 +95,6 @@ CONFIG_CMA_DEBUG=y
CONFIG_CMA_DEBUGFS=y
CONFIG_MEM_SOFT_DIRTY=y
CONFIG_ZSWAP=y
-CONFIG_ZBUD=m
CONFIG_ZSMALLOC=m
CONFIG_ZSMALLOC_STAT=y
CONFIG_DEFERRED_STRUCT_PAGE_INIT=y
@@ -130,6 +128,7 @@ CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
+CONFIG_INET_ESPINTCP=y
CONFIG_INET_IPCOMP=m
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
@@ -144,6 +143,7 @@ CONFIG_TCP_CONG_ILLINOIS=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
+CONFIG_INET6_ESPINTCP=y
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_MIP6=m
CONFIG_IPV6_VTI=m
@@ -151,7 +151,10 @@ CONFIG_IPV6_SIT=m
CONFIG_IPV6_GRE=m
CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_IPV6_SUBTREES=y
+CONFIG_IPV6_RPL_LWTUNNEL=y
+CONFIG_MPTCP=y
CONFIG_NETFILTER=y
+CONFIG_BRIDGE_NETFILTER=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_EVENTS=y
@@ -317,6 +320,7 @@ CONFIG_L2TP_V3=y
CONFIG_L2TP_IP=m
CONFIG_L2TP_ETH=m
CONFIG_BRIDGE=m
+CONFIG_BRIDGE_MRP=y
CONFIG_VLAN_8021Q=m
CONFIG_VLAN_8021Q_GVRP=y
CONFIG_NET_SCHED=y
@@ -341,6 +345,7 @@ CONFIG_NET_SCH_CODEL=m
CONFIG_NET_SCH_FQ_CODEL=m
CONFIG_NET_SCH_INGRESS=m
CONFIG_NET_SCH_PLUG=m
+CONFIG_NET_SCH_ETS=m
CONFIG_NET_CLS_BASIC=m
CONFIG_NET_CLS_TCINDEX=m
CONFIG_NET_CLS_ROUTE4=m
@@ -364,6 +369,7 @@ CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
CONFIG_NET_ACT_SKBEDIT=m
CONFIG_NET_ACT_CSUM=m
+CONFIG_NET_ACT_GATE=m
CONFIG_DNS_RESOLVER=y
CONFIG_OPENVSWITCH=m
CONFIG_VSOCKETS=m
@@ -374,6 +380,7 @@ CONFIG_BPF_JIT=y
CONFIG_NET_PKTGEN=m
# CONFIG_NET_DROP_MONITOR is not set
CONFIG_PCI=y
+# CONFIG_PCIEASPM is not set
CONFIG_PCI_DEBUG=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
@@ -435,6 +442,7 @@ CONFIG_DM_ZERO=m
CONFIG_DM_MULTIPATH=m
CONFIG_DM_MULTIPATH_QL=m
CONFIG_DM_MULTIPATH_ST=m
+CONFIG_DM_MULTIPATH_HST=m
CONFIG_DM_DELAY=m
CONFIG_DM_UEVENT=y
CONFIG_DM_FLAKEY=m
@@ -448,6 +456,8 @@ CONFIG_EQUALIZER=m
CONFIG_IFB=m
CONFIG_MACVLAN=m
CONFIG_MACVTAP=m
+CONFIG_VXLAN=m
+CONFIG_BAREUDP=m
CONFIG_TUN=m
CONFIG_VETH=m
CONFIG_VIRTIO_NET=m
@@ -481,7 +491,6 @@ CONFIG_NLMON=m
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
@@ -514,6 +523,7 @@ CONFIG_MLX5_CORE_EN=y
# CONFIG_NET_VENDOR_TI is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
+# CONFIG_NET_VENDOR_XILINX is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPP_DEFLATE=m
@@ -561,6 +571,8 @@ CONFIG_VFIO_MDEV_DEVICE=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
+CONFIG_VHOST_NET=m
+CONFIG_VHOST_VSOCK=m
CONFIG_S390_CCW_IOMMU=y
CONFIG_S390_AP_IOMMU=y
CONFIG_EXT4_FS=y
@@ -608,6 +620,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_NTFS_FS=m
CONFIG_NTFS_RW=y
CONFIG_PROC_KCORE=y
@@ -650,8 +663,8 @@ CONFIG_NLS_UTF8=m
CONFIG_DLM=m
CONFIG_UNICODE=y
CONFIG_PERSISTENT_KEYRINGS=y
-CONFIG_BIG_KEYS=y
CONFIG_ENCRYPTED_KEYS=m
+CONFIG_KEY_NOTIFICATIONS=y
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_FORTIFY_SOURCE=y
@@ -675,8 +688,11 @@ CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_DH=m
CONFIG_CRYPTO_ECDH=m
CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
+CONFIG_CRYPTO_GCM=y
CONFIG_CRYPTO_CHACHA20POLY1305=m
CONFIG_CRYPTO_AEGIS128=m
+CONFIG_CRYPTO_SEQIV=y
CONFIG_CRYPTO_CFB=m
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_PCBC=m
@@ -685,6 +701,7 @@ CONFIG_CRYPTO_ADIANTUM=m
CONFIG_CRYPTO_XCBC=m
CONFIG_CRYPTO_VMAC=m
CONFIG_CRYPTO_CRC32=m
+CONFIG_CRYPTO_BLAKE2S=m
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
@@ -701,6 +718,7 @@ CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAMELLIA=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
+CONFIG_CRYPTO_DES=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SALSA20=m
@@ -719,6 +737,9 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_CRYPTO_USER_API_AEAD=m
CONFIG_CRYPTO_STATS=y
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
CONFIG_ZCRYPT=m
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
@@ -774,6 +795,7 @@ CONFIG_DEBUG_SHIRQ=y
CONFIG_PANIC_ON_OOPS=y
CONFIG_DETECT_HUNG_TASK=y
CONFIG_WQ_WATCHDOG=y
+CONFIG_TEST_LOCKUP=m
CONFIG_DEBUG_TIMEKEEPING=y
CONFIG_PROVE_LOCKING=y
CONFIG_LOCK_STAT=y
@@ -786,7 +808,9 @@ CONFIG_BUG_ON_DATA_CORRUPTION=y
CONFIG_DEBUG_CREDENTIALS=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_RCU_CPU_STALL_TIMEOUT=300
+# CONFIG_RCU_TRACE is not set
CONFIG_LATENCYTOP=y
+CONFIG_BOOTTIME_TRACING=y
CONFIG_FUNCTION_PROFILER=y
CONFIG_STACK_TRACER=y
CONFIG_IRQSOFF_TRACER=y
@@ -808,10 +832,12 @@ CONFIG_FAULT_INJECTION_DEBUG_FS=y
CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
CONFIG_LKDTM=m
CONFIG_TEST_LIST_SORT=y
+CONFIG_TEST_MIN_HEAP=y
CONFIG_TEST_SORT=y
CONFIG_KPROBES_SANITY_TEST=y
CONFIG_RBTREE_TEST=y
CONFIG_INTERVAL_TREE_TEST=m
CONFIG_PERCPU_TEST=m
CONFIG_ATOMIC64_SELFTEST=y
+CONFIG_TEST_BITOPS=m
CONFIG_TEST_BPF=m
diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index 7cd0648c1f4e..5df9759e8ff6 100644
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -1,5 +1,6 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
+CONFIG_WATCH_QUEUE=y
CONFIG_AUDIT=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
@@ -13,7 +14,6 @@ CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_NUMA_BALANCING=y
CONFIG_MEMCG=y
-CONFIG_MEMCG_SWAP=y
CONFIG_BLK_CGROUP=y
CONFIG_CFS_BANDWIDTH=y
CONFIG_RT_GROUP_SCHED=y
@@ -30,9 +30,9 @@ 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_BPF_LSM=y
CONFIG_BPF_SYSCALL=y
CONFIG_USERFAULTFD=y
# CONFIG_COMPAT_BRK is not set
@@ -41,7 +41,6 @@ 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_KEXEC_SIG=y
@@ -51,14 +50,11 @@ CONFIG_CHSC_SCH=y
CONFIG_VFIO_CCW=m
CONFIG_VFIO_AP=m
CONFIG_CRASH_DUMP=y
-CONFIG_HIBERNATION=y
-CONFIG_PM_DEBUG=y
CONFIG_PROTECTED_VIRTUALIZATION_GUEST=y
CONFIG_CMM=m
CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
-CONFIG_VHOST_NET=m
-CONFIG_VHOST_VSOCK=m
+CONFIG_S390_UNWIND_SELFTEST=m
CONFIG_OPROFILE=m
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
@@ -74,6 +70,8 @@ CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_INLINE_ENCRYPTION=y
+CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
CONFIG_BSD_DISKLABEL=y
@@ -91,7 +89,6 @@ CONFIG_CLEANCACHE=y
CONFIG_FRONTSWAP=y
CONFIG_MEM_SOFT_DIRTY=y
CONFIG_ZSWAP=y
-CONFIG_ZBUD=m
CONFIG_ZSMALLOC=m
CONFIG_ZSMALLOC_STAT=y
CONFIG_DEFERRED_STRUCT_PAGE_INIT=y
@@ -125,6 +122,7 @@ CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
+CONFIG_INET_ESPINTCP=y
CONFIG_INET_IPCOMP=m
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
@@ -139,6 +137,7 @@ CONFIG_TCP_CONG_ILLINOIS=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
+CONFIG_INET6_ESPINTCP=y
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_MIP6=m
CONFIG_IPV6_VTI=m
@@ -146,7 +145,10 @@ CONFIG_IPV6_SIT=m
CONFIG_IPV6_GRE=m
CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_IPV6_SUBTREES=y
+CONFIG_IPV6_RPL_LWTUNNEL=y
+CONFIG_MPTCP=y
CONFIG_NETFILTER=y
+CONFIG_BRIDGE_NETFILTER=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_EVENTS=y
@@ -311,6 +313,7 @@ CONFIG_L2TP_V3=y
CONFIG_L2TP_IP=m
CONFIG_L2TP_ETH=m
CONFIG_BRIDGE=m
+CONFIG_BRIDGE_MRP=y
CONFIG_VLAN_8021Q=m
CONFIG_VLAN_8021Q_GVRP=y
CONFIG_NET_SCHED=y
@@ -335,6 +338,7 @@ CONFIG_NET_SCH_CODEL=m
CONFIG_NET_SCH_FQ_CODEL=m
CONFIG_NET_SCH_INGRESS=m
CONFIG_NET_SCH_PLUG=m
+CONFIG_NET_SCH_ETS=m
CONFIG_NET_CLS_BASIC=m
CONFIG_NET_CLS_TCINDEX=m
CONFIG_NET_CLS_ROUTE4=m
@@ -358,6 +362,7 @@ CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
CONFIG_NET_ACT_SKBEDIT=m
CONFIG_NET_ACT_CSUM=m
+CONFIG_NET_ACT_GATE=m
CONFIG_DNS_RESOLVER=y
CONFIG_OPENVSWITCH=m
CONFIG_VSOCKETS=m
@@ -368,6 +373,7 @@ CONFIG_BPF_JIT=y
CONFIG_NET_PKTGEN=m
# CONFIG_NET_DROP_MONITOR is not set
CONFIG_PCI=y
+# CONFIG_PCIEASPM is not set
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_UEVENT_HELPER=y
@@ -430,6 +436,7 @@ CONFIG_DM_ZERO=m
CONFIG_DM_MULTIPATH=m
CONFIG_DM_MULTIPATH_QL=m
CONFIG_DM_MULTIPATH_ST=m
+CONFIG_DM_MULTIPATH_HST=m
CONFIG_DM_DELAY=m
CONFIG_DM_UEVENT=y
CONFIG_DM_FLAKEY=m
@@ -444,6 +451,8 @@ CONFIG_EQUALIZER=m
CONFIG_IFB=m
CONFIG_MACVLAN=m
CONFIG_MACVTAP=m
+CONFIG_VXLAN=m
+CONFIG_BAREUDP=m
CONFIG_TUN=m
CONFIG_VETH=m
CONFIG_VIRTIO_NET=m
@@ -477,7 +486,6 @@ CONFIG_NLMON=m
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
@@ -510,6 +518,7 @@ CONFIG_MLX5_CORE_EN=y
# CONFIG_NET_VENDOR_TI is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
+# CONFIG_NET_VENDOR_XILINX is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPP_DEFLATE=m
@@ -557,6 +566,8 @@ CONFIG_VFIO_MDEV_DEVICE=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
+CONFIG_VHOST_NET=m
+CONFIG_VHOST_VSOCK=m
CONFIG_S390_CCW_IOMMU=y
CONFIG_S390_AP_IOMMU=y
CONFIG_EXT4_FS=y
@@ -600,6 +611,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_NTFS_FS=m
CONFIG_NTFS_RW=y
CONFIG_PROC_KCORE=y
@@ -642,8 +654,8 @@ CONFIG_NLS_UTF8=m
CONFIG_DLM=m
CONFIG_UNICODE=y
CONFIG_PERSISTENT_KEYRINGS=y
-CONFIG_BIG_KEYS=y
CONFIG_ENCRYPTED_KEYS=m
+CONFIG_KEY_NOTIFICATIONS=y
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_SELINUX=y
@@ -667,8 +679,11 @@ CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_DH=m
CONFIG_CRYPTO_ECDH=m
CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
+CONFIG_CRYPTO_GCM=y
CONFIG_CRYPTO_CHACHA20POLY1305=m
CONFIG_CRYPTO_AEGIS128=m
+CONFIG_CRYPTO_SEQIV=y
CONFIG_CRYPTO_CFB=m
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_OFB=m
@@ -678,6 +693,7 @@ CONFIG_CRYPTO_ADIANTUM=m
CONFIG_CRYPTO_XCBC=m
CONFIG_CRYPTO_VMAC=m
CONFIG_CRYPTO_CRC32=m
+CONFIG_CRYPTO_BLAKE2S=m
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
@@ -694,6 +710,7 @@ CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAMELLIA=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
+CONFIG_CRYPTO_DES=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SALSA20=m
@@ -712,6 +729,9 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_CRYPTO_USER_API_AEAD=m
CONFIG_CRYPTO_STATS=y
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
CONFIG_ZCRYPT=m
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
@@ -725,6 +745,7 @@ CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
CONFIG_CRYPTO_CRC32_S390=y
CONFIG_CORDIC=m
+CONFIG_PRIME_NUMBERS=m
CONFIG_CRC4=m
CONFIG_CRC7=m
CONFIG_CRC8=m
@@ -739,10 +760,12 @@ CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_PANIC_ON_OOPS=y
+CONFIG_TEST_LOCKUP=m
CONFIG_BUG_ON_DATA_CORRUPTION=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_RCU_CPU_STALL_TIMEOUT=60
CONFIG_LATENCYTOP=y
+CONFIG_BOOTTIME_TRACING=y
CONFIG_FUNCTION_PROFILER=y
CONFIG_STACK_TRACER=y
CONFIG_SCHED_TRACER=y
diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig
index 20c51e5d9353..4091c50449cd 100644
--- a/arch/s390/configs/zfcpdump_defconfig
+++ b/arch/s390/configs/zfcpdump_defconfig
@@ -30,6 +30,7 @@ CONFIG_IBM_PARTITION=y
# CONFIG_BOUNCE is not set
CONFIG_NET=y
# CONFIG_IUCV is not set
+# CONFIG_ETHTOOL_NETLINK is not set
CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_RAM=y
# CONFIG_BLK_DEV_XPRAM is not set
@@ -55,6 +56,8 @@ CONFIG_RAW_DRIVER=y
# CONFIG_MONWRITER is not set
# CONFIG_S390_VMUR is not set
# CONFIG_HID is not set
+# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
# CONFIG_DNOTIFY is not set
# CONFIG_INOTIFY_USER is not set
@@ -62,7 +65,9 @@ CONFIG_CONFIGFS_FS=y
# CONFIG_MISC_FILESYSTEMS is not set
# CONFIG_NETWORK_FILESYSTEMS is not set
CONFIG_LSM="yama,loadpin,safesetid,integrity"
+# CONFIG_ZLIB_DFLTCC is not set
CONFIG_PRINTK_TIME=y
+# CONFIG_SYMBOLIC_ERRNAME is not set
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index cee3cb6455a2..6ea0820e7c7f 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -31,12 +31,12 @@
#define KVM_USER_MEM_SLOTS 32
/*
- * These seem to be used for allocating ->chip in the routing table,
- * which we don't use. 4096 is an out-of-thin-air value. If we need
- * to look at ->chip later on, we'll need to revisit this.
+ * These seem to be used for allocating ->chip in the routing table, which we
+ * don't use. 1 is as small as we can get to reduce the needed memory. If we
+ * need to look at ->chip later on, we'll need to revisit this.
*/
#define KVM_NR_IRQCHIPS 1
-#define KVM_IRQCHIP_NUM_PINS 4096
+#define KVM_IRQCHIP_NUM_PINS 1
#define KVM_HALT_POLL_NS_DEFAULT 50000
/* s390-specific vcpu->requests bit members */
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 85a711d783eb..4f9e4626df55 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -881,12 +881,21 @@ out:
return err;
}
+static bool is_callchain_event(struct perf_event *event)
+{
+ u64 sample_type = event->attr.sample_type;
+
+ return sample_type & (PERF_SAMPLE_CALLCHAIN | PERF_SAMPLE_REGS_USER |
+ PERF_SAMPLE_STACK_USER);
+}
+
static int cpumsf_pmu_event_init(struct perf_event *event)
{
int err;
/* No support for taken branch sampling */
- if (has_branch_stack(event))
+ /* No support for callchain, stacks and registers */
+ if (has_branch_stack(event) || is_callchain_event(event))
return -EOPNOTSUPP;
switch (event->attr.type) {
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 5853c9872dfe..07aa15ba43b3 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -1100,6 +1100,7 @@ void __init setup_arch(char **cmdline_p)
if (IS_ENABLED(CONFIG_EXPOLINE_AUTO))
nospec_auto_detect();
+ jump_label_init();
parse_early_param();
#ifdef CONFIG_CRASH_DUMP
/* Deactivate elfcorehdr= kernel parameter */
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index 82df06d720e8..3b5a4d25ca9b 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -117,7 +117,7 @@ static inline pte_t __rste_to_pte(unsigned long rste)
_PAGE_YOUNG);
#ifdef CONFIG_MEM_SOFT_DIRTY
pte_val(pte) |= move_set_bit(rste, _SEGMENT_ENTRY_SOFT_DIRTY,
- _PAGE_DIRTY);
+ _PAGE_SOFT_DIRTY);
#endif
pte_val(pte) |= move_set_bit(rste, _SEGMENT_ENTRY_NOEXEC,
_PAGE_NOEXEC);
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 22a0be655f27..1d17413b319a 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -62,11 +62,15 @@ notrace void *s390_kernel_write(void *dst, const void *src, size_t size)
long copied;
spin_lock_irqsave(&s390_kernel_write_lock, flags);
- while (size) {
- copied = s390_kernel_write_odd(tmp, src, size);
- tmp += copied;
- src += copied;
- size -= copied;
+ if (!(flags & PSW_MASK_DAT)) {
+ memcpy(dst, src, size);
+ } else {
+ while (size) {
+ copied = s390_kernel_write_odd(tmp, src, size);
+ tmp += copied;
+ src += copied;
+ size -= copied;
+ }
}
spin_unlock_irqrestore(&s390_kernel_write_lock, flags);
diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c
index 08e1d619398e..fdebd286f402 100644
--- a/arch/s390/pci/pci_event.c
+++ b/arch/s390/pci/pci_event.c
@@ -94,7 +94,18 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
}
zdev->fh = ccdf->fh;
zdev->state = ZPCI_FN_STATE_CONFIGURED;
- zpci_create_device(zdev);
+ ret = zpci_enable_device(zdev);
+ if (ret)
+ break;
+
+ pdev = pci_scan_single_device(zdev->zbus->bus, zdev->devfn);
+ if (!pdev)
+ break;
+
+ pci_bus_add_device(pdev);
+ pci_lock_rescan_remove();
+ pci_bus_add_devices(zdev->zbus->bus);
+ pci_unlock_rescan_remove();
break;
case 0x0302: /* Reserved -> Standby */
if (!zdev) {
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index bd3f14175193..e83b3f14897c 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -45,6 +45,32 @@
#define CREATE_TRACE_POINTS
#include <trace/events/syscalls.h>
+/* Check that the stack and regs on entry from user mode are sane. */
+static void check_user_regs(struct pt_regs *regs)
+{
+ if (IS_ENABLED(CONFIG_DEBUG_ENTRY)) {
+ /*
+ * Make sure that the entry code gave us a sensible EFLAGS
+ * register. Native because we want to check the actual CPU
+ * state, not the interrupt state as imagined by Xen.
+ */
+ unsigned long flags = native_save_fl();
+ WARN_ON_ONCE(flags & (X86_EFLAGS_AC | X86_EFLAGS_DF |
+ X86_EFLAGS_NT));
+
+ /* We think we came from user mode. Make sure pt_regs agrees. */
+ WARN_ON_ONCE(!user_mode(regs));
+
+ /*
+ * All entries from user mode (except #DF) should be on the
+ * normal thread stack and should have user pt_regs in the
+ * correct location.
+ */
+ WARN_ON_ONCE(!on_thread_stack());
+ WARN_ON_ONCE(regs != task_pt_regs(current));
+ }
+}
+
#ifdef CONFIG_CONTEXT_TRACKING
/**
* enter_from_user_mode - Establish state when coming from user mode
@@ -127,9 +153,6 @@ static long syscall_trace_enter(struct pt_regs *regs)
unsigned long ret = 0;
u32 work;
- if (IS_ENABLED(CONFIG_DEBUG_ENTRY))
- BUG_ON(regs != task_pt_regs(current));
-
work = READ_ONCE(ti->flags);
if (work & (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU)) {
@@ -346,6 +369,8 @@ __visible noinstr void do_syscall_64(unsigned long nr, struct pt_regs *regs)
{
struct thread_info *ti;
+ check_user_regs(regs);
+
enter_from_user_mode();
instrumentation_begin();
@@ -409,6 +434,8 @@ static void do_syscall_32_irqs_on(struct pt_regs *regs)
/* Handles int $0x80 */
__visible noinstr void do_int80_syscall_32(struct pt_regs *regs)
{
+ check_user_regs(regs);
+
enter_from_user_mode();
instrumentation_begin();
@@ -460,6 +487,8 @@ __visible noinstr long do_fast_syscall_32(struct pt_regs *regs)
vdso_image_32.sym_int80_landing_pad;
bool success;
+ check_user_regs(regs);
+
/*
* SYSENTER loses EIP, and even SYSCALL32 needs us to skip forward
* so that 'regs->ip -= 2' lands back on an int $0x80 instruction.
@@ -510,6 +539,18 @@ __visible noinstr long do_fast_syscall_32(struct pt_regs *regs)
(regs->flags & (X86_EFLAGS_RF | X86_EFLAGS_TF | X86_EFLAGS_VM)) == 0;
#endif
}
+
+/* Returns 0 to return using IRET or 1 to return using SYSEXIT/SYSRETL. */
+__visible noinstr long do_SYSENTER_32(struct pt_regs *regs)
+{
+ /* SYSENTER loses RSP, but the vDSO saved it in RBP. */
+ regs->sp = regs->bp;
+
+ /* SYSENTER clobbers EFLAGS.IF. Assume it was set in usermode. */
+ regs->flags |= X86_EFLAGS_IF;
+
+ return do_fast_syscall_32(regs);
+}
#endif
SYSCALL_DEFINE0(ni_syscall)
@@ -553,6 +594,7 @@ SYSCALL_DEFINE0(ni_syscall)
bool noinstr idtentry_enter_cond_rcu(struct pt_regs *regs)
{
if (user_mode(regs)) {
+ check_user_regs(regs);
enter_from_user_mode();
return false;
}
@@ -686,6 +728,7 @@ void noinstr idtentry_exit_cond_rcu(struct pt_regs *regs, bool rcu_exit)
*/
void noinstr idtentry_enter_user(struct pt_regs *regs)
{
+ check_user_regs(regs);
enter_from_user_mode();
}
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 024d7d276cd4..2d0bd5d5f032 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -933,9 +933,8 @@ SYM_FUNC_START(entry_SYSENTER_32)
.Lsysenter_past_esp:
pushl $__USER_DS /* pt_regs->ss */
- pushl %ebp /* pt_regs->sp (stashed in bp) */
+ pushl $0 /* pt_regs->sp (placeholder) */
pushfl /* pt_regs->flags (except IF = 0) */
- orl $X86_EFLAGS_IF, (%esp) /* Fix IF */
pushl $__USER_CS /* pt_regs->cs */
pushl $0 /* pt_regs->ip = 0 (placeholder) */
pushl %eax /* pt_regs->orig_ax */
@@ -965,7 +964,7 @@ SYM_FUNC_START(entry_SYSENTER_32)
.Lsysenter_flags_fixed:
movl %esp, %eax
- call do_fast_syscall_32
+ call do_SYSENTER_32
/* XEN PV guests always use IRET path */
ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \
"jmp .Lsyscall_32_done", X86_FEATURE_XENPV
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index 0f974ae01e62..541fdaf64045 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -57,29 +57,30 @@ SYM_CODE_START(entry_SYSENTER_compat)
movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp
- /*
- * User tracing code (ptrace or signal handlers) might assume that
- * the saved RAX contains a 32-bit number when we're invoking a 32-bit
- * syscall. Just in case the high bits are nonzero, zero-extend
- * the syscall number. (This could almost certainly be deleted
- * with no ill effects.)
- */
- movl %eax, %eax
-
/* Construct struct pt_regs on stack */
pushq $__USER32_DS /* pt_regs->ss */
- pushq %rbp /* pt_regs->sp (stashed in bp) */
+ pushq $0 /* pt_regs->sp = 0 (placeholder) */
/*
* Push flags. This is nasty. First, interrupts are currently
- * off, but we need pt_regs->flags to have IF set. Second, even
- * if TF was set when SYSENTER started, it's clear by now. We fix
- * that later using TIF_SINGLESTEP.
+ * off, but we need pt_regs->flags to have IF set. Second, if TS
+ * was set in usermode, it's still set, and we're singlestepping
+ * through this code. do_SYSENTER_32() will fix up IF.
*/
pushfq /* pt_regs->flags (except IF = 0) */
- orl $X86_EFLAGS_IF, (%rsp) /* Fix saved flags */
pushq $__USER32_CS /* pt_regs->cs */
pushq $0 /* pt_regs->ip = 0 (placeholder) */
+SYM_INNER_LABEL(entry_SYSENTER_compat_after_hwframe, SYM_L_GLOBAL)
+
+ /*
+ * User tracing code (ptrace or signal handlers) might assume that
+ * the saved RAX contains a 32-bit number when we're invoking a 32-bit
+ * syscall. Just in case the high bits are nonzero, zero-extend
+ * the syscall number. (This could almost certainly be deleted
+ * with no ill effects.)
+ */
+ movl %eax, %eax
+
pushq %rax /* pt_regs->orig_ax */
pushq %rdi /* pt_regs->di */
pushq %rsi /* pt_regs->si */
@@ -135,7 +136,7 @@ SYM_CODE_START(entry_SYSENTER_compat)
.Lsysenter_flags_fixed:
movq %rsp, %rdi
- call do_fast_syscall_32
+ call do_SYSENTER_32
/* XEN PV guests always use IRET path */
ALTERNATIVE "testl %eax, %eax; jz swapgs_restore_regs_and_return_to_usermode", \
"jmp swapgs_restore_regs_and_return_to_usermode", X86_FEATURE_XENPV
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index 2bdc72e6890e..6035df1b49e1 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -377,7 +377,8 @@ void __init hyperv_init(void)
hv_hypercall_pg = __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START,
VMALLOC_END, GFP_KERNEL, PAGE_KERNEL_ROX,
- VM_FLUSH_RESET_PERMS, NUMA_NO_NODE, __func__);
+ VM_FLUSH_RESET_PERMS, NUMA_NO_NODE,
+ __builtin_return_address(0));
if (hv_hypercall_pg == NULL) {
wrmsrl(HV_X64_MSR_GUEST_OS_ID, 0);
goto remove_cpuhp_state;
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 42159f45bf9c..845e7481ab77 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -623,6 +623,11 @@ static inline void switch_fpu_finish(struct fpu *new_fpu)
* MXCSR and XCR definitions:
*/
+static inline void ldmxcsr(u32 mxcsr)
+{
+ asm volatile("ldmxcsr %0" :: "m" (mxcsr));
+}
+
extern unsigned int mxcsr_feature_mask;
#define XCR_XFEATURE_ENABLED_MASK 0x00000000
diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h
index cf51c50eb356..eeac6dc2adaa 100644
--- a/arch/x86/include/asm/idtentry.h
+++ b/arch/x86/include/asm/idtentry.h
@@ -353,10 +353,6 @@ static __always_inline void __##func(struct pt_regs *regs)
#else /* CONFIG_X86_64 */
-/* Maps to a regular IDTENTRY on 32bit for now */
-# define DECLARE_IDTENTRY_IST DECLARE_IDTENTRY
-# define DEFINE_IDTENTRY_IST DEFINE_IDTENTRY
-
/**
* DECLARE_IDTENTRY_DF - Declare functions for double fault 32bit variant
* @vector: Vector number (ignored for C)
@@ -387,28 +383,18 @@ __visible noinstr void func(struct pt_regs *regs, \
#endif /* !CONFIG_X86_64 */
/* C-Code mapping */
+#define DECLARE_IDTENTRY_NMI DECLARE_IDTENTRY_RAW
+#define DEFINE_IDTENTRY_NMI DEFINE_IDTENTRY_RAW
+
+#ifdef CONFIG_X86_64
#define DECLARE_IDTENTRY_MCE DECLARE_IDTENTRY_IST
#define DEFINE_IDTENTRY_MCE DEFINE_IDTENTRY_IST
#define DEFINE_IDTENTRY_MCE_USER DEFINE_IDTENTRY_NOIST
-#define DECLARE_IDTENTRY_NMI DECLARE_IDTENTRY_RAW
-#define DEFINE_IDTENTRY_NMI DEFINE_IDTENTRY_RAW
-
#define DECLARE_IDTENTRY_DEBUG DECLARE_IDTENTRY_IST
#define DEFINE_IDTENTRY_DEBUG DEFINE_IDTENTRY_IST
#define DEFINE_IDTENTRY_DEBUG_USER DEFINE_IDTENTRY_NOIST
-
-/**
- * DECLARE_IDTENTRY_XEN - Declare functions for XEN redirect IDT entry points
- * @vector: Vector number (ignored for C)
- * @func: Function name of the entry point
- *
- * Used for xennmi and xendebug redirections. No DEFINE as this is all ASM
- * indirection magic.
- */
-#define DECLARE_IDTENTRY_XEN(vector, func) \
- asmlinkage void xen_asm_exc_xen##func(void); \
- asmlinkage void asm_exc_xen##func(void)
+#endif
#else /* !__ASSEMBLY__ */
@@ -455,9 +441,6 @@ __visible noinstr void func(struct pt_regs *regs, \
# define DECLARE_IDTENTRY_MCE(vector, func) \
DECLARE_IDTENTRY(vector, func)
-# define DECLARE_IDTENTRY_DEBUG(vector, func) \
- DECLARE_IDTENTRY(vector, func)
-
/* No ASM emitted for DF as this goes through a C shim */
# define DECLARE_IDTENTRY_DF(vector, func)
@@ -469,10 +452,6 @@ __visible noinstr void func(struct pt_regs *regs, \
/* No ASM code emitted for NMI */
#define DECLARE_IDTENTRY_NMI(vector, func)
-/* XEN NMI and DB wrapper */
-#define DECLARE_IDTENTRY_XEN(vector, func) \
- idtentry vector asm_exc_xen##func exc_##func has_error_code=0
-
/*
* ASM code to emit the common vector entry stubs where each stub is
* packed into 8 bytes.
@@ -565,16 +544,28 @@ DECLARE_IDTENTRY_RAW(X86_TRAP_BP, exc_int3);
DECLARE_IDTENTRY_RAW_ERRORCODE(X86_TRAP_PF, exc_page_fault);
#ifdef CONFIG_X86_MCE
+#ifdef CONFIG_X86_64
DECLARE_IDTENTRY_MCE(X86_TRAP_MC, exc_machine_check);
+#else
+DECLARE_IDTENTRY_RAW(X86_TRAP_MC, exc_machine_check);
+#endif
#endif
/* NMI */
DECLARE_IDTENTRY_NMI(X86_TRAP_NMI, exc_nmi);
-DECLARE_IDTENTRY_XEN(X86_TRAP_NMI, nmi);
+#ifdef CONFIG_XEN_PV
+DECLARE_IDTENTRY_RAW(X86_TRAP_NMI, xenpv_exc_nmi);
+#endif
/* #DB */
+#ifdef CONFIG_X86_64
DECLARE_IDTENTRY_DEBUG(X86_TRAP_DB, exc_debug);
-DECLARE_IDTENTRY_XEN(X86_TRAP_DB, debug);
+#else
+DECLARE_IDTENTRY_RAW(X86_TRAP_DB, exc_debug);
+#endif
+#ifdef CONFIG_XEN_PV
+DECLARE_IDTENTRY_RAW(X86_TRAP_DB, xenpv_exc_debug);
+#endif
/* #DF */
DECLARE_IDTENTRY_DF(X86_TRAP_DF, exc_double_fault);
diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index 17c5a038f42d..0780f97c1850 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -408,14 +408,15 @@ struct kvm_vmx_nested_state_data {
};
struct kvm_vmx_nested_state_hdr {
- __u32 flags;
__u64 vmxon_pa;
__u64 vmcs12_pa;
- __u64 preemption_timer_deadline;
struct {
__u16 flags;
} smm;
+
+ __u32 flags;
+ __u64 preemption_timer_deadline;
};
struct kvm_svm_nested_state_data {
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index c25a67a34bd3..0ab48f1cdf84 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -50,6 +50,13 @@ static enum split_lock_detect_state sld_state __ro_after_init = sld_off;
static u64 msr_test_ctrl_cache __ro_after_init;
/*
+ * With a name like MSR_TEST_CTL it should go without saying, but don't touch
+ * MSR_TEST_CTL unless the CPU is one of the whitelisted models. Writing it
+ * on CPUs that do not support SLD can cause fireworks, even when writing '0'.
+ */
+static bool cpu_model_supports_sld __ro_after_init;
+
+/*
* Processors which have self-snooping capability can handle conflicting
* memory type across CPUs by snooping its own cache. However, there exists
* CPU models in which having conflicting memory types still leads to
@@ -1071,7 +1078,8 @@ static void sld_update_msr(bool on)
static void split_lock_init(void)
{
- split_lock_verify_msr(sld_state != sld_off);
+ if (cpu_model_supports_sld)
+ split_lock_verify_msr(sld_state != sld_off);
}
static void split_lock_warn(unsigned long ip)
@@ -1177,5 +1185,6 @@ void __init cpu_set_core_cap_bits(struct cpuinfo_x86 *c)
return;
}
+ cpu_model_supports_sld = true;
split_lock_setup();
}
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index fbe89a92ff36..14e4b4d17ee5 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -1901,6 +1901,8 @@ void (*machine_check_vector)(struct pt_regs *) = unexpected_machine_check;
static __always_inline void exc_machine_check_kernel(struct pt_regs *regs)
{
+ WARN_ON_ONCE(user_mode(regs));
+
/*
* Only required when from kernel mode. See
* mce_check_crashing_cpu() for details.
@@ -1954,7 +1956,7 @@ DEFINE_IDTENTRY_MCE_USER(exc_machine_check)
}
#else
/* 32bit unified entry point */
-DEFINE_IDTENTRY_MCE(exc_machine_check)
+DEFINE_IDTENTRY_RAW(exc_machine_check)
{
unsigned long dr7;
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 06c818967bb6..15247b96c6ea 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -101,6 +101,12 @@ void kernel_fpu_begin(void)
copy_fpregs_to_fpstate(&current->thread.fpu);
}
__cpu_invalidate_fpregs_state();
+
+ if (boot_cpu_has(X86_FEATURE_XMM))
+ ldmxcsr(MXCSR_DEFAULT);
+
+ if (boot_cpu_has(X86_FEATURE_FPU))
+ asm volatile ("fninit");
}
EXPORT_SYMBOL_GPL(kernel_fpu_begin);
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 8748321c4486..b8aee71840ae 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -29,6 +29,8 @@
#include <asm/mmu_context.h>
#include <asm/pgtable_areas.h>
+#include <xen/xen.h>
+
/* This is a multiple of PAGE_SIZE. */
#define LDT_SLOT_STRIDE (LDT_ENTRIES * LDT_ENTRY_SIZE)
@@ -543,6 +545,28 @@ static int read_default_ldt(void __user *ptr, unsigned long bytecount)
return bytecount;
}
+static bool allow_16bit_segments(void)
+{
+ if (!IS_ENABLED(CONFIG_X86_16BIT))
+ return false;
+
+#ifdef CONFIG_XEN_PV
+ /*
+ * Xen PV does not implement ESPFIX64, which means that 16-bit
+ * segments will not work correctly. Until either Xen PV implements
+ * ESPFIX64 and can signal this fact to the guest or unless someone
+ * provides compelling evidence that allowing broken 16-bit segments
+ * is worthwhile, disallow 16-bit segments under Xen PV.
+ */
+ if (xen_pv_domain()) {
+ pr_info_once("Warning: 16-bit segments do not work correctly in a Xen PV guest\n");
+ return false;
+ }
+#endif
+
+ return true;
+}
+
static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode)
{
struct mm_struct *mm = current->mm;
@@ -574,7 +598,7 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode)
/* The user wants to clear the entry. */
memset(&ldt, 0, sizeof(ldt));
} else {
- if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) {
+ if (!ldt_info.seg_32bit && !allow_16bit_segments()) {
error = -EINVAL;
goto out;
}
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index f58679e487f6..b038695f36c5 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -870,6 +870,12 @@ static __always_inline void exc_debug_kernel(struct pt_regs *regs,
trace_hardirqs_off_finish();
/*
+ * If something gets miswired and we end up here for a user mode
+ * #DB, we will malfunction.
+ */
+ WARN_ON_ONCE(user_mode(regs));
+
+ /*
* Catch SYSENTER with TF set and clear DR_STEP. If this hit a
* watchpoint at the same time then that will still be handled.
*/
@@ -887,6 +893,12 @@ static __always_inline void exc_debug_kernel(struct pt_regs *regs,
static __always_inline void exc_debug_user(struct pt_regs *regs,
unsigned long dr6)
{
+ /*
+ * If something gets miswired and we end up here for a kernel mode
+ * #DB, we will malfunction.
+ */
+ WARN_ON_ONCE(!user_mode(regs));
+
idtentry_enter_user(regs);
instrumentation_begin();
@@ -917,7 +929,7 @@ DEFINE_IDTENTRY_DEBUG_USER(exc_debug)
}
#else
/* 32 bit does not have separate entry points. */
-DEFINE_IDTENTRY_DEBUG(exc_debug)
+DEFINE_IDTENTRY_RAW(exc_debug)
{
unsigned long dr6, dr7;
diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h
index ff2d0e9ca3bc..cfe83d4ae625 100644
--- a/arch/x86/kvm/kvm_cache_regs.h
+++ b/arch/x86/kvm/kvm_cache_regs.h
@@ -7,7 +7,7 @@
#define KVM_POSSIBLE_CR0_GUEST_BITS X86_CR0_TS
#define KVM_POSSIBLE_CR4_GUEST_BITS \
(X86_CR4_PVI | X86_CR4_DE | X86_CR4_PCE | X86_CR4_OSFXSR \
- | X86_CR4_OSXMMEXCPT | X86_CR4_LA57 | X86_CR4_PGE)
+ | X86_CR4_OSXMMEXCPT | X86_CR4_LA57 | X86_CR4_PGE | X86_CR4_TSD)
#define BUILD_KVM_GPR_ACCESSORS(lname, uname) \
static __always_inline unsigned long kvm_##lname##_read(struct kvm_vcpu *vcpu)\
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 76817d13c86e..6d6a0ae7800c 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4449,7 +4449,7 @@ __reset_rsvds_bits_mask(struct kvm_vcpu *vcpu,
nonleaf_bit8_rsvd | rsvd_bits(7, 7) |
rsvd_bits(maxphyaddr, 51);
rsvd_check->rsvd_bits_mask[0][2] = exb_bit_rsvd |
- nonleaf_bit8_rsvd | gbpages_bit_rsvd |
+ gbpages_bit_rsvd |
rsvd_bits(maxphyaddr, 51);
rsvd_check->rsvd_bits_mask[0][1] = exb_bit_rsvd |
rsvd_bits(maxphyaddr, 51);
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index d1af20b050a8..d4a4cec034d0 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -4109,7 +4109,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
* CR0_GUEST_HOST_MASK is already set in the original vmcs01
* (KVM doesn't change it);
*/
- vcpu->arch.cr0_guest_owned_bits = X86_CR0_TS;
+ vcpu->arch.cr0_guest_owned_bits = KVM_POSSIBLE_CR0_GUEST_BITS;
vmx_set_cr0(vcpu, vmcs12->host_cr0);
/* Same as above - no reason to call set_cr4_guest_host_mask(). */
@@ -4259,7 +4259,7 @@ static void nested_vmx_restore_host_state(struct kvm_vcpu *vcpu)
*/
vmx_set_efer(vcpu, nested_vmx_get_vmcs01_guest_efer(vmx));
- vcpu->arch.cr0_guest_owned_bits = X86_CR0_TS;
+ vcpu->arch.cr0_guest_owned_bits = KVM_POSSIBLE_CR0_GUEST_BITS;
vmx_set_cr0(vcpu, vmcs_readl(CR0_READ_SHADOW));
vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK);
@@ -6176,6 +6176,7 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
goto error_guest_mode;
}
+ vmx->nested.has_preemption_timer_deadline = false;
if (kvm_state->hdr.vmx.flags & KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE) {
vmx->nested.has_preemption_timer_deadline = true;
vmx->nested.preemption_timer_deadline =
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index cb22f33bf1d8..13745f2a5ecd 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -133,9 +133,6 @@ module_param_named(preemption_timer, enable_preemption_timer, bool, S_IRUGO);
#define KVM_VM_CR0_ALWAYS_ON \
(KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST | \
X86_CR0_WP | X86_CR0_PG | X86_CR0_PE)
-#define KVM_CR4_GUEST_OWNED_BITS \
- (X86_CR4_PVI | X86_CR4_DE | X86_CR4_PCE | X86_CR4_OSFXSR \
- | X86_CR4_OSXMMEXCPT | X86_CR4_LA57 | X86_CR4_TSD)
#define KVM_VM_CR4_ALWAYS_ON_UNRESTRICTED_GUEST X86_CR4_VMXE
#define KVM_PMODE_VM_CR4_ALWAYS_ON (X86_CR4_PAE | X86_CR4_VMXE)
@@ -4034,9 +4031,9 @@ void vmx_set_constant_host_state(struct vcpu_vmx *vmx)
void set_cr4_guest_host_mask(struct vcpu_vmx *vmx)
{
- vmx->vcpu.arch.cr4_guest_owned_bits = KVM_CR4_GUEST_OWNED_BITS;
- if (enable_ept)
- vmx->vcpu.arch.cr4_guest_owned_bits |= X86_CR4_PGE;
+ vmx->vcpu.arch.cr4_guest_owned_bits = KVM_POSSIBLE_CR4_GUEST_BITS;
+ if (!enable_ept)
+ vmx->vcpu.arch.cr4_guest_owned_bits &= ~X86_CR4_PGE;
if (is_guest_mode(&vmx->vcpu))
vmx->vcpu.arch.cr4_guest_owned_bits &=
~get_vmcs12(&vmx->vcpu)->cr4_guest_host_mask;
@@ -4333,8 +4330,8 @@ static void init_vmcs(struct vcpu_vmx *vmx)
/* 22.2.1, 20.8.1 */
vm_entry_controls_set(vmx, vmx_vmentry_ctrl());
- vmx->vcpu.arch.cr0_guest_owned_bits = X86_CR0_TS;
- vmcs_writel(CR0_GUEST_HOST_MASK, ~X86_CR0_TS);
+ vmx->vcpu.arch.cr0_guest_owned_bits = KVM_POSSIBLE_CR0_GUEST_BITS;
+ vmcs_writel(CR0_GUEST_HOST_MASK, ~vmx->vcpu.arch.cr0_guest_owned_bits);
set_cr4_guest_host_mask(vmx);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3b92db412335..88c593f83b28 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -975,6 +975,8 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
if (is_long_mode(vcpu)) {
if (!(cr4 & X86_CR4_PAE))
return 1;
+ if ((cr4 ^ old_cr4) & X86_CR4_LA57)
+ return 1;
} else if (is_paging(vcpu) && (cr4 & X86_CR4_PAE)
&& ((cr4 ^ old_cr4) & pdptr_bits)
&& !load_pdptrs(vcpu, vcpu->arch.walk_mmu,
@@ -2693,6 +2695,9 @@ static int kvm_pv_enable_async_pf(struct kvm_vcpu *vcpu, u64 data)
if (data & 0x30)
return 1;
+ if (!lapic_in_kernel(vcpu))
+ return 1;
+
vcpu->arch.apf.msr_en_val = data;
if (!kvm_pv_async_pf_enabled(vcpu)) {
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index acc49fa6a097..0d68948c82ad 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -598,6 +598,26 @@ static void xen_write_ldt_entry(struct desc_struct *dt, int entrynum,
}
#ifdef CONFIG_X86_64
+void noist_exc_debug(struct pt_regs *regs);
+
+DEFINE_IDTENTRY_RAW(xenpv_exc_nmi)
+{
+ /* On Xen PV, NMI doesn't use IST. The C part is the sane as native. */
+ exc_nmi(regs);
+}
+
+DEFINE_IDTENTRY_RAW(xenpv_exc_debug)
+{
+ /*
+ * There's no IST on Xen PV, but we still need to dispatch
+ * to the correct handler.
+ */
+ if (user_mode(regs))
+ noist_exc_debug(regs);
+ else
+ exc_debug(regs);
+}
+
struct trap_array_entry {
void (*orig)(void);
void (*xen)(void);
@@ -609,18 +629,18 @@ struct trap_array_entry {
.xen = xen_asm_##func, \
.ist_okay = ist_ok }
-#define TRAP_ENTRY_REDIR(func, xenfunc, ist_ok) { \
+#define TRAP_ENTRY_REDIR(func, ist_ok) { \
.orig = asm_##func, \
- .xen = xen_asm_##xenfunc, \
+ .xen = xen_asm_xenpv_##func, \
.ist_okay = ist_ok }
static struct trap_array_entry trap_array[] = {
- TRAP_ENTRY_REDIR(exc_debug, exc_xendebug, true ),
+ TRAP_ENTRY_REDIR(exc_debug, true ),
TRAP_ENTRY(exc_double_fault, true ),
#ifdef CONFIG_X86_MCE
TRAP_ENTRY(exc_machine_check, true ),
#endif
- TRAP_ENTRY_REDIR(exc_nmi, exc_xennmi, true ),
+ TRAP_ENTRY_REDIR(exc_nmi, true ),
TRAP_ENTRY(exc_int3, false ),
TRAP_ENTRY(exc_overflow, false ),
#ifdef CONFIG_IA32_EMULATION
diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
index 5d252aaeade8..aab1d99b2b48 100644
--- a/arch/x86/xen/xen-asm_64.S
+++ b/arch/x86/xen/xen-asm_64.S
@@ -29,10 +29,9 @@ _ASM_NOKPROBE(xen_\name)
.endm
xen_pv_trap asm_exc_divide_error
-xen_pv_trap asm_exc_debug
-xen_pv_trap asm_exc_xendebug
+xen_pv_trap asm_xenpv_exc_debug
xen_pv_trap asm_exc_int3
-xen_pv_trap asm_exc_xennmi
+xen_pv_trap asm_xenpv_exc_nmi
xen_pv_trap asm_exc_overflow
xen_pv_trap asm_exc_bounds
xen_pv_trap asm_exc_invalid_op
@@ -161,10 +160,22 @@ SYM_FUNC_END(xen_syscall32_target)
/* 32-bit compat sysenter target */
SYM_FUNC_START(xen_sysenter_target)
- mov 0*8(%rsp), %rcx
- mov 1*8(%rsp), %r11
- mov 5*8(%rsp), %rsp
- jmp entry_SYSENTER_compat
+ /*
+ * NB: Xen is polite and clears TF from EFLAGS for us. This means
+ * that we don't need to guard against single step exceptions here.
+ */
+ popq %rcx
+ popq %r11
+
+ /*
+ * Neither Xen nor the kernel really knows what the old SS and
+ * CS were. The kernel expects __USER32_DS and __USER32_CS, so
+ * report those values even though Xen will guess its own values.
+ */
+ movq $__USER32_DS, 4*8(%rsp)
+ movq $__USER32_CS, 1*8(%rsp)
+
+ jmp entry_SYSENTER_compat_after_hwframe
SYM_FUNC_END(xen_sysenter_target)
#else /* !CONFIG_IA32_EMULATION */
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 4707e90b8ee5..9ffd7e289554 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -24,7 +24,8 @@ void blk_flush_integrity(void)
flush_workqueue(kintegrityd_wq);
}
-void __bio_integrity_free(struct bio_set *bs, struct bio_integrity_payload *bip)
+static void __bio_integrity_free(struct bio_set *bs,
+ struct bio_integrity_payload *bip)
{
if (bs && mempool_initialized(&bs->bio_integrity_pool)) {
if (bip->bip_vec)
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 15df3a36e9fa..e0b2bc131bf5 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -125,6 +125,9 @@ static const char *const blk_queue_flag_name[] = {
QUEUE_FLAG_NAME(REGISTERED),
QUEUE_FLAG_NAME(SCSI_PASSTHROUGH),
QUEUE_FLAG_NAME(QUIESCED),
+ QUEUE_FLAG_NAME(PCI_P2PDMA),
+ QUEUE_FLAG_NAME(ZONE_RESETALL),
+ QUEUE_FLAG_NAME(RQ_ALLOC_TIME),
};
#undef QUEUE_FLAG_NAME
diff --git a/block/blk-mq.c b/block/blk-mq.c
index a9aa6d1e44cf..4e0d173beaa3 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -828,10 +828,10 @@ static bool blk_mq_rq_inflight(struct blk_mq_hw_ctx *hctx, struct request *rq,
void *priv, bool reserved)
{
/*
- * If we find a request that is inflight and the queue matches,
+ * If we find a request that isn't idle and the queue matches,
* we know the queue is busy. Return false to stop the iteration.
*/
- if (rq->state == MQ_RQ_IN_FLIGHT && rq->q == hctx->queue) {
+ if (blk_mq_request_started(rq) && rq->q == hctx->queue) {
bool *busy = priv;
*busy = true;
diff --git a/block/keyslot-manager.c b/block/keyslot-manager.c
index c2ef41b3147b..35abcb1ec051 100644
--- a/block/keyslot-manager.c
+++ b/block/keyslot-manager.c
@@ -374,8 +374,7 @@ void blk_ksm_destroy(struct blk_keyslot_manager *ksm)
if (!ksm)
return;
kvfree(ksm->slot_hashtable);
- memzero_explicit(ksm->slots, sizeof(ksm->slots[0]) * ksm->num_slots);
- kvfree(ksm->slots);
+ kvfree_sensitive(ksm->slots, sizeof(ksm->slots[0]) * ksm->num_slots);
memzero_explicit(ksm, sizeof(*ksm));
}
EXPORT_SYMBOL_GPL(blk_ksm_destroy);
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index b1cd3535c525..28fc323e3fe3 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -128,21 +128,15 @@ EXPORT_SYMBOL_GPL(af_alg_release);
void af_alg_release_parent(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
- unsigned int nokey = ask->nokey_refcnt;
- bool last = nokey && !ask->refcnt;
+ unsigned int nokey = atomic_read(&ask->nokey_refcnt);
sk = ask->parent;
ask = alg_sk(sk);
- local_bh_disable();
- bh_lock_sock(sk);
- ask->nokey_refcnt -= nokey;
- if (!last)
- last = !--ask->refcnt;
- bh_unlock_sock(sk);
- local_bh_enable();
+ if (nokey)
+ atomic_dec(&ask->nokey_refcnt);
- if (last)
+ if (atomic_dec_and_test(&ask->refcnt))
sock_put(sk);
}
EXPORT_SYMBOL_GPL(af_alg_release_parent);
@@ -187,7 +181,7 @@ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
err = -EBUSY;
lock_sock(sk);
- if (ask->refcnt | ask->nokey_refcnt)
+ if (atomic_read(&ask->refcnt))
goto unlock;
swap(ask->type, type);
@@ -236,7 +230,7 @@ static int alg_setsockopt(struct socket *sock, int level, int optname,
int err = -EBUSY;
lock_sock(sk);
- if (ask->refcnt)
+ if (atomic_read(&ask->refcnt) != atomic_read(&ask->nokey_refcnt))
goto unlock;
type = ask->type;
@@ -301,12 +295,14 @@ int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern)
if (err)
goto unlock;
- if (nokey || !ask->refcnt++)
+ if (atomic_inc_return_relaxed(&ask->refcnt) == 1)
sock_hold(sk);
- ask->nokey_refcnt += nokey;
+ if (nokey) {
+ atomic_inc(&ask->nokey_refcnt);
+ atomic_set(&alg_sk(sk2)->nokey_refcnt, 1);
+ }
alg_sk(sk2)->parent = sk;
alg_sk(sk2)->type = type;
- alg_sk(sk2)->nokey_refcnt = nokey;
newsock->ops = type->ops;
newsock->state = SS_CONNECTED;
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index eb1910b6d434..0ae000a61c7f 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -384,7 +384,7 @@ static int aead_check_key(struct socket *sock)
struct alg_sock *ask = alg_sk(sk);
lock_sock(sk);
- if (ask->refcnt)
+ if (!atomic_read(&ask->nokey_refcnt))
goto unlock_child;
psk = ask->parent;
@@ -396,11 +396,8 @@ static int aead_check_key(struct socket *sock)
if (crypto_aead_get_flags(tfm->aead) & CRYPTO_TFM_NEED_KEY)
goto unlock;
- if (!pask->refcnt++)
- sock_hold(psk);
-
- ask->refcnt = 1;
- sock_put(psk);
+ atomic_dec(&pask->nokey_refcnt);
+ atomic_set(&ask->nokey_refcnt, 0);
err = 0;
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index da1ffa4f7f8d..e71727c25a7d 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -301,7 +301,7 @@ static int hash_check_key(struct socket *sock)
struct alg_sock *ask = alg_sk(sk);
lock_sock(sk);
- if (ask->refcnt)
+ if (!atomic_read(&ask->nokey_refcnt))
goto unlock_child;
psk = ask->parent;
@@ -313,11 +313,8 @@ static int hash_check_key(struct socket *sock)
if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY)
goto unlock;
- if (!pask->refcnt++)
- sock_hold(psk);
-
- ask->refcnt = 1;
- sock_put(psk);
+ atomic_dec(&pask->nokey_refcnt);
+ atomic_set(&ask->nokey_refcnt, 0);
err = 0;
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 4c3bdffe0c3a..ec5567c87a6d 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -211,7 +211,7 @@ static int skcipher_check_key(struct socket *sock)
struct alg_sock *ask = alg_sk(sk);
lock_sock(sk);
- if (ask->refcnt)
+ if (!atomic_read(&ask->nokey_refcnt))
goto unlock_child;
psk = ask->parent;
@@ -223,11 +223,8 @@ static int skcipher_check_key(struct socket *sock)
if (crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_NEED_KEY)
goto unlock;
- if (!pask->refcnt++)
- sock_hold(psk);
-
- ask->refcnt = 1;
- sock_put(psk);
+ atomic_dec(&pask->nokey_refcnt);
+ atomic_set(&ask->nokey_refcnt, 0);
err = 0;
diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c
index 5fab7e350db8..92b996a564d0 100644
--- a/drivers/acpi/dptf/dptf_power.c
+++ b/drivers/acpi/dptf/dptf_power.c
@@ -228,6 +228,7 @@ static const struct acpi_device_id int3407_device_ids[] = {
{"INT3407", 0},
{"INT3532", 0},
{"INTC1047", 0},
+ {"INTC1050", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, int3407_device_ids);
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 873e039ad4b7..62873388b24f 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -25,8 +25,8 @@ static int acpi_fan_remove(struct platform_device *pdev);
static const struct acpi_device_id fan_device_ids[] = {
{"PNP0C0B", 0},
- {"INT1044", 0},
{"INT3404", 0},
+ {"INTC1044", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, fan_device_ids);
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 43cff01a5a67..ce7e9f223b20 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1033,25 +1033,26 @@ static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg,
test_bit(NBD_RT_BOUND, &config->runtime_flags))) {
dev_err(disk_to_dev(nbd->disk),
"Device being setup by another task");
- sockfd_put(sock);
- return -EBUSY;
+ err = -EBUSY;
+ goto put_socket;
+ }
+
+ nsock = kzalloc(sizeof(*nsock), GFP_KERNEL);
+ if (!nsock) {
+ err = -ENOMEM;
+ goto put_socket;
}
socks = krealloc(config->socks, (config->num_connections + 1) *
sizeof(struct nbd_sock *), GFP_KERNEL);
if (!socks) {
- sockfd_put(sock);
- return -ENOMEM;
+ kfree(nsock);
+ err = -ENOMEM;
+ goto put_socket;
}
config->socks = socks;
- nsock = kzalloc(sizeof(struct nbd_sock), GFP_KERNEL);
- if (!nsock) {
- sockfd_put(sock);
- return -ENOMEM;
- }
-
nsock->fallback_index = -1;
nsock->dead = false;
mutex_init(&nsock->tx_lock);
@@ -1063,6 +1064,10 @@ static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg,
atomic_inc(&config->live_connections);
return 0;
+
+put_socket:
+ sockfd_put(sock);
+ return err;
}
static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 9d21bf0f155e..980df853ee49 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -878,6 +878,7 @@ out_put_disk:
put_disk(vblk->disk);
out_free_vq:
vdev->config->del_vqs(vdev);
+ kfree(vblk->vqs);
out_free_vblk:
kfree(vblk);
out_free_index:
diff --git a/drivers/char/tpm/st33zp24/i2c.c b/drivers/char/tpm/st33zp24/i2c.c
index 35333b65acd1..7c617edff4ca 100644
--- a/drivers/char/tpm/st33zp24/i2c.c
+++ b/drivers/char/tpm/st33zp24/i2c.c
@@ -210,7 +210,7 @@ static int st33zp24_i2c_request_resources(struct i2c_client *client)
/*
* st33zp24_i2c_probe initialize the TPM device
- * @param: client, the i2c_client drescription (TPM I2C description).
+ * @param: client, the i2c_client description (TPM I2C description).
* @param: id, the i2c_device_id struct.
* @return: 0 in case of success.
* -1 in other case.
diff --git a/drivers/char/tpm/st33zp24/spi.c b/drivers/char/tpm/st33zp24/spi.c
index 26e09de50f1e..a75dafd39445 100644
--- a/drivers/char/tpm/st33zp24/spi.c
+++ b/drivers/char/tpm/st33zp24/spi.c
@@ -329,7 +329,7 @@ static int st33zp24_spi_request_resources(struct spi_device *dev)
/*
* st33zp24_spi_probe initialize the TPM device
- * @param: dev, the spi_device drescription (TPM SPI description).
+ * @param: dev, the spi_device description (TPM SPI description).
* @return: 0 in case of success.
* or a negative value describing the error.
*/
@@ -378,7 +378,7 @@ static int st33zp24_spi_probe(struct spi_device *dev)
/*
* st33zp24_spi_remove remove the TPM device
- * @param: client, the spi_device drescription (TPM SPI description).
+ * @param: client, the spi_device description (TPM SPI description).
* @return: 0 in case of success.
*/
static int st33zp24_spi_remove(struct spi_device *dev)
diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c
index 37bb13f516be..4ec10ab5e576 100644
--- a/drivers/char/tpm/st33zp24/st33zp24.c
+++ b/drivers/char/tpm/st33zp24/st33zp24.c
@@ -502,7 +502,7 @@ static const struct tpm_class_ops st33zp24_tpm = {
/*
* st33zp24_probe initialize the TPM device
- * @param: client, the i2c_client drescription (TPM I2C description).
+ * @param: client, the i2c_client description (TPM I2C description).
* @param: id, the i2c_device_id struct.
* @return: 0 in case of success.
* -1 in other case.
diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c
index 87f449340202..1784530b8387 100644
--- a/drivers/char/tpm/tpm-dev-common.c
+++ b/drivers/char/tpm/tpm-dev-common.c
@@ -189,15 +189,6 @@ ssize_t tpm_common_write(struct file *file, const char __user *buf,
goto out;
}
- /* atomic tpm command send and result receive. We only hold the ops
- * lock during this period so that the tpm can be unregistered even if
- * the char dev is held open.
- */
- if (tpm_try_get_ops(priv->chip)) {
- ret = -EPIPE;
- goto out;
- }
-
priv->response_length = 0;
priv->response_read = false;
*off = 0;
@@ -211,11 +202,19 @@ ssize_t tpm_common_write(struct file *file, const char __user *buf,
if (file->f_flags & O_NONBLOCK) {
priv->command_enqueued = true;
queue_work(tpm_dev_wq, &priv->async_work);
- tpm_put_ops(priv->chip);
mutex_unlock(&priv->buffer_mutex);
return size;
}
+ /* atomic tpm command send and result receive. We only hold the ops
+ * lock during this period so that the tpm can be unregistered even if
+ * the char dev is held open.
+ */
+ if (tpm_try_get_ops(priv->chip)) {
+ ret = -EPIPE;
+ goto out;
+ }
+
ret = tpm_dev_transmit(priv->chip, priv->space, priv->data_buffer,
sizeof(priv->data_buffer));
tpm_put_ops(priv->chip);
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 09fe45246b8c..994385bf37c0 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -683,13 +683,6 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
if (rc)
goto init_irq_cleanup;
- if (!strcmp(id->compat, "IBM,vtpm20")) {
- chip->flags |= TPM_CHIP_FLAG_TPM2;
- rc = tpm2_get_cc_attrs_tbl(chip);
- if (rc)
- goto init_irq_cleanup;
- }
-
if (!wait_event_timeout(ibmvtpm->crq_queue.wq,
ibmvtpm->rtce_buf != NULL,
HZ)) {
@@ -697,6 +690,13 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
goto init_irq_cleanup;
}
+ if (!strcmp(id->compat, "IBM,vtpm20")) {
+ chip->flags |= TPM_CHIP_FLAG_TPM2;
+ rc = tpm2_get_cc_attrs_tbl(chip);
+ if (rc)
+ goto init_irq_cleanup;
+ }
+
return tpm_chip_register(chip);
init_irq_cleanup:
do {
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index e7df342a317d..0b214963539d 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -235,6 +235,13 @@ static int tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
return tpm_tis_init(&pnp_dev->dev, &tpm_info);
}
+/*
+ * There is a known bug caused by 93e1b7d42e1e ("[PATCH] tpm: add HID module
+ * parameter"). This commit added IFX0102 device ID, which is also used by
+ * tpm_infineon but ignored to add quirks to probe which driver ought to be
+ * used.
+ */
+
static struct pnp_device_id tpm_pnp_tbl[] = {
{"PNP0C31", 0}, /* TPM */
{"ATM1200", 0}, /* Atmel */
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index 2435216bd10a..65ab1b027949 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -1085,7 +1085,7 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
return 0;
out_err:
- if ((chip->ops != NULL) && (chip->ops->clk_enable != NULL))
+ if (chip->ops->clk_enable != NULL)
chip->ops->clk_enable(chip, false);
tpm_tis_remove(chip);
diff --git a/drivers/char/tpm/tpm_tis_spi_main.c b/drivers/char/tpm/tpm_tis_spi_main.c
index d96755935529..3856f6ebcb34 100644
--- a/drivers/char/tpm/tpm_tis_spi_main.c
+++ b/drivers/char/tpm/tpm_tis_spi_main.c
@@ -53,8 +53,6 @@ static int tpm_tis_spi_flow_control(struct tpm_tis_spi_phy *phy,
if ((phy->iobuf[3] & 0x01) == 0) {
// handle SPI wait states
- phy->iobuf[0] = 0;
-
for (i = 0; i < TPM_RETRY; i++) {
spi_xfer->len = 1;
spi_message_init(&m);
@@ -104,6 +102,8 @@ int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len,
if (ret < 0)
goto exit;
+ /* Flow control transfers are receive only */
+ spi_xfer.tx_buf = NULL;
ret = phy->flow_control(phy, &spi_xfer);
if (ret < 0)
goto exit;
@@ -113,9 +113,8 @@ int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len,
spi_xfer.delay.value = 5;
spi_xfer.delay.unit = SPI_DELAY_UNIT_USECS;
- if (in) {
- spi_xfer.tx_buf = NULL;
- } else if (out) {
+ if (out) {
+ spi_xfer.tx_buf = phy->iobuf;
spi_xfer.rx_buf = NULL;
memcpy(phy->iobuf, out, transfer_len);
out += transfer_len;
@@ -288,6 +287,7 @@ static struct spi_driver tpm_tis_spi_driver = {
.pm = &tpm_tis_pm,
.of_match_table = of_match_ptr(of_tis_spi_match),
.acpi_match_table = ACPI_PTR(acpi_tis_spi_match),
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.probe = tpm_tis_spi_driver_probe,
.remove = tpm_tis_spi_remove,
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index ecf7b7db2d05..6c3e84180146 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -480,6 +480,14 @@ static const struct arch_timer_erratum_workaround ool_workarounds[] = {
.set_next_event_virt = erratum_set_next_event_tval_virt,
},
#endif
+#ifdef CONFIG_ARM64_ERRATUM_1418040
+ {
+ .match_type = ate_match_local_cap_id,
+ .id = (void *)ARM64_WORKAROUND_1418040,
+ .desc = "ARM erratum 1418040",
+ .disable_compat_vdso = true,
+ },
+#endif
};
typedef bool (*ate_match_fn_t)(const struct arch_timer_erratum_workaround *,
@@ -566,6 +574,9 @@ void arch_timer_enable_workaround(const struct arch_timer_erratum_workaround *wa
if (wa->read_cntvct_el0) {
clocksource_counter.vdso_clock_mode = VDSO_CLOCKMODE_NONE;
vdso_default = VDSO_CLOCKMODE_NONE;
+ } else if (wa->disable_compat_vdso && vdso_default != VDSO_CLOCKMODE_NONE) {
+ vdso_default = VDSO_CLOCKMODE_ARCHTIMER_NOCOMPAT;
+ clocksource_counter.vdso_clock_mode = vdso_default;
}
}
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 01ce125f8e8d..412629601ad3 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -54,37 +54,11 @@ static char *dmabuffs_dname(struct dentry *dentry, char *buffer, int buflen)
dentry->d_name.name, ret > 0 ? name : "");
}
-static const struct dentry_operations dma_buf_dentry_ops = {
- .d_dname = dmabuffs_dname,
-};
-
-static struct vfsmount *dma_buf_mnt;
-
-static int dma_buf_fs_init_context(struct fs_context *fc)
-{
- struct pseudo_fs_context *ctx;
-
- ctx = init_pseudo(fc, DMA_BUF_MAGIC);
- if (!ctx)
- return -ENOMEM;
- ctx->dops = &dma_buf_dentry_ops;
- return 0;
-}
-
-static struct file_system_type dma_buf_fs_type = {
- .name = "dmabuf",
- .init_fs_context = dma_buf_fs_init_context,
- .kill_sb = kill_anon_super,
-};
-
-static int dma_buf_release(struct inode *inode, struct file *file)
+static void dma_buf_release(struct dentry *dentry)
{
struct dma_buf *dmabuf;
- if (!is_dma_buf_file(file))
- return -EINVAL;
-
- dmabuf = file->private_data;
+ dmabuf = dentry->d_fsdata;
BUG_ON(dmabuf->vmapping_counter);
@@ -110,9 +84,32 @@ static int dma_buf_release(struct inode *inode, struct file *file)
module_put(dmabuf->owner);
kfree(dmabuf->name);
kfree(dmabuf);
+}
+
+static const struct dentry_operations dma_buf_dentry_ops = {
+ .d_dname = dmabuffs_dname,
+ .d_release = dma_buf_release,
+};
+
+static struct vfsmount *dma_buf_mnt;
+
+static int dma_buf_fs_init_context(struct fs_context *fc)
+{
+ struct pseudo_fs_context *ctx;
+
+ ctx = init_pseudo(fc, DMA_BUF_MAGIC);
+ if (!ctx)
+ return -ENOMEM;
+ ctx->dops = &dma_buf_dentry_ops;
return 0;
}
+static struct file_system_type dma_buf_fs_type = {
+ .name = "dmabuf",
+ .init_fs_context = dma_buf_fs_init_context,
+ .kill_sb = kill_anon_super,
+};
+
static int dma_buf_mmap_internal(struct file *file, struct vm_area_struct *vma)
{
struct dma_buf *dmabuf;
@@ -412,7 +409,6 @@ static void dma_buf_show_fdinfo(struct seq_file *m, struct file *file)
}
static const struct file_operations dma_buf_fops = {
- .release = dma_buf_release,
.mmap = dma_buf_mmap_internal,
.llseek = dma_buf_llseek,
.poll = dma_buf_poll,
diff --git a/drivers/firmware/psci/psci_checker.c b/drivers/firmware/psci/psci_checker.c
index 873841af8d57..3d6ba425dbb9 100644
--- a/drivers/firmware/psci/psci_checker.c
+++ b/drivers/firmware/psci/psci_checker.c
@@ -157,8 +157,10 @@ static int alloc_init_cpu_groups(cpumask_var_t **pcpu_groups)
cpu_groups = kcalloc(nb_available_cpus, sizeof(cpu_groups),
GFP_KERNEL);
- if (!cpu_groups)
+ if (!cpu_groups) {
+ free_cpumask_var(tmp);
return -ENOMEM;
+ }
cpumask_copy(tmp, cpu_online_mask);
@@ -167,6 +169,7 @@ static int alloc_init_cpu_groups(cpumask_var_t **pcpu_groups)
topology_core_cpumask(cpumask_any(tmp));
if (!alloc_cpumask_var(&cpu_groups[num_groups], GFP_KERNEL)) {
+ free_cpumask_var(tmp);
free_cpu_groups(num_groups, &cpu_groups);
return -ENOMEM;
}
@@ -196,13 +199,12 @@ static int hotplug_tests(void)
if (!page_buf)
goto out_free_cpu_groups;
- err = 0;
/*
* Of course the last CPU cannot be powered down and cpu_down() should
* refuse doing that.
*/
pr_info("Trying to turn off and on again all CPUs\n");
- err += down_and_up_cpus(cpu_online_mask, offlined_cpus);
+ err = down_and_up_cpus(cpu_online_mask, offlined_cpus);
/*
* Take down CPUs by cpu group this time. When the last CPU is turned
diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c
index 5640efe5e750..5bda38e0780f 100644
--- a/drivers/gpio/gpio-arizona.c
+++ b/drivers/gpio/gpio-arizona.c
@@ -64,6 +64,7 @@ static int arizona_gpio_get(struct gpio_chip *chip, unsigned offset)
ret = pm_runtime_get_sync(chip->parent);
if (ret < 0) {
dev_err(chip->parent, "Failed to resume: %d\n", ret);
+ pm_runtime_put_autosuspend(chip->parent);
return ret;
}
@@ -72,12 +73,15 @@ static int arizona_gpio_get(struct gpio_chip *chip, unsigned offset)
if (ret < 0) {
dev_err(chip->parent, "Failed to drop cache: %d\n",
ret);
+ pm_runtime_put_autosuspend(chip->parent);
return ret;
}
ret = regmap_read(arizona->regmap, reg, &val);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(chip->parent);
return ret;
+ }
pm_runtime_mark_last_busy(chip->parent);
pm_runtime_put_autosuspend(chip->parent);
@@ -106,6 +110,7 @@ static int arizona_gpio_direction_out(struct gpio_chip *chip,
ret = pm_runtime_get_sync(chip->parent);
if (ret < 0) {
dev_err(chip->parent, "Failed to resume: %d\n", ret);
+ pm_runtime_put(chip->parent);
return ret;
}
}
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 1fca8dd7824f..a3b9bdedbe44 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -107,6 +107,84 @@ static const struct i2c_device_id pca953x_id[] = {
};
MODULE_DEVICE_TABLE(i2c, pca953x_id);
+#ifdef CONFIG_GPIO_PCA953X_IRQ
+
+#include <linux/dmi.h>
+#include <linux/gpio.h>
+#include <linux/list.h>
+
+static const struct dmi_system_id pca953x_dmi_acpi_irq_info[] = {
+ {
+ /*
+ * On Intel Galileo Gen 2 board the IRQ pin of one of
+ * the I²C GPIO expanders, which has GpioInt() resource,
+ * is provided as an absolute number instead of being
+ * relative. Since first controller (gpio-sch.c) and
+ * second (gpio-dwapb.c) are at the fixed bases, we may
+ * safely refer to the number in the global space to get
+ * an IRQ out of it.
+ */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_NAME, "GalileoGen2"),
+ },
+ },
+ {}
+};
+
+#ifdef CONFIG_ACPI
+static int pca953x_acpi_get_pin(struct acpi_resource *ares, void *data)
+{
+ struct acpi_resource_gpio *agpio;
+ int *pin = data;
+
+ if (acpi_gpio_get_irq_resource(ares, &agpio))
+ *pin = agpio->pin_table[0];
+ return 1;
+}
+
+static int pca953x_acpi_find_pin(struct device *dev)
+{
+ struct acpi_device *adev = ACPI_COMPANION(dev);
+ int pin = -ENOENT, ret;
+ LIST_HEAD(r);
+
+ ret = acpi_dev_get_resources(adev, &r, pca953x_acpi_get_pin, &pin);
+ acpi_dev_free_resource_list(&r);
+ if (ret < 0)
+ return ret;
+
+ return pin;
+}
+#else
+static inline int pca953x_acpi_find_pin(struct device *dev) { return -ENXIO; }
+#endif
+
+static int pca953x_acpi_get_irq(struct device *dev)
+{
+ int pin, ret;
+
+ pin = pca953x_acpi_find_pin(dev);
+ if (pin < 0)
+ return pin;
+
+ dev_info(dev, "Applying ACPI interrupt quirk (GPIO %d)\n", pin);
+
+ if (!gpio_is_valid(pin))
+ return -EINVAL;
+
+ ret = gpio_request(pin, "pca953x interrupt");
+ if (ret)
+ return ret;
+
+ ret = gpio_to_irq(pin);
+
+ /* When pin is used as an IRQ, no need to keep it requested */
+ gpio_free(pin);
+
+ return ret;
+}
+#endif
+
static const struct acpi_device_id pca953x_acpi_ids[] = {
{ "INT3491", 16 | PCA953X_TYPE | PCA_LATCH_INT, },
{ }
@@ -322,6 +400,7 @@ static const struct regmap_config pca953x_ai_i2c_regmap = {
.writeable_reg = pca953x_writeable_register,
.volatile_reg = pca953x_volatile_register,
+ .disable_locking = true,
.cache_type = REGCACHE_RBTREE,
.max_register = 0x7f,
};
@@ -623,8 +702,6 @@ static void pca953x_irq_bus_sync_unlock(struct irq_data *d)
DECLARE_BITMAP(reg_direction, MAX_LINE);
int level;
- pca953x_read_regs(chip, chip->regs->direction, reg_direction);
-
if (chip->driver_data & PCA_PCAL) {
/* Enable latch on interrupt-enabled inputs */
pca953x_write_regs(chip, PCAL953X_IN_LATCH, chip->irq_mask);
@@ -635,7 +712,11 @@ static void pca953x_irq_bus_sync_unlock(struct irq_data *d)
pca953x_write_regs(chip, PCAL953X_INT_MASK, irq_mask);
}
+ /* Switch direction to input if needed */
+ pca953x_read_regs(chip, chip->regs->direction, reg_direction);
+
bitmap_or(irq_mask, chip->irq_trig_fall, chip->irq_trig_raise, gc->ngpio);
+ bitmap_complement(reg_direction, reg_direction, gc->ngpio);
bitmap_and(irq_mask, irq_mask, reg_direction, gc->ngpio);
/* Look for any newly setup interrupt */
@@ -734,14 +815,16 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid)
struct gpio_chip *gc = &chip->gpio_chip;
DECLARE_BITMAP(pending, MAX_LINE);
int level;
+ bool ret;
- if (!pca953x_irq_pending(chip, pending))
- return IRQ_NONE;
+ mutex_lock(&chip->i2c_lock);
+ ret = pca953x_irq_pending(chip, pending);
+ mutex_unlock(&chip->i2c_lock);
for_each_set_bit(level, pending, gc->ngpio)
handle_nested_irq(irq_find_mapping(gc->irq.domain, level));
- return IRQ_HANDLED;
+ return IRQ_RETVAL(ret);
}
static int pca953x_irq_setup(struct pca953x_chip *chip, int irq_base)
@@ -752,6 +835,12 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, int irq_base)
DECLARE_BITMAP(irq_stat, MAX_LINE);
int ret;
+ if (dmi_first_match(pca953x_dmi_acpi_irq_info)) {
+ ret = pca953x_acpi_get_irq(&client->dev);
+ if (ret > 0)
+ client->irq = ret;
+ }
+
if (!client->irq)
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index 58f9d8c3a17a..44f927641b89 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -204,6 +204,7 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
(mode_info->atom_context->bios + data_offset);
switch (crev) {
case 11:
+ case 12:
mem_channel_number = igp_info->v11.umachannelnumber;
/* channel width is 64 */
if (vram_width)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 47207188c569..4fb4c3b69687 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -37,7 +37,8 @@ static void amdgpu_job_timedout(struct drm_sched_job *s_job)
memset(&ti, 0, sizeof(struct amdgpu_task_info));
- if (amdgpu_ring_soft_recovery(ring, job->vmid, s_job->s_fence->parent)) {
+ if (amdgpu_gpu_recovery &&
+ amdgpu_ring_soft_recovery(ring, job->vmid, s_job->s_fence->parent)) {
DRM_ERROR("ring %s timeout, but soft recovered\n",
s_job->sched->name);
return;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 16596a9ccabe..02e6f8c4dde0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2784,7 +2784,7 @@ static ssize_t amdgpu_hwmon_show_sclk(struct device *dev,
if (r)
return r;
- return snprintf(buf, PAGE_SIZE, "%d\n", sclk * 10 * 1000);
+ return snprintf(buf, PAGE_SIZE, "%u\n", sclk * 10 * 1000);
}
static ssize_t amdgpu_hwmon_show_sclk_label(struct device *dev,
@@ -2819,7 +2819,7 @@ static ssize_t amdgpu_hwmon_show_mclk(struct device *dev,
if (r)
return r;
- return snprintf(buf, PAGE_SIZE, "%d\n", mclk * 10 * 1000);
+ return snprintf(buf, PAGE_SIZE, "%u\n", mclk * 10 * 1000);
}
static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 7301fdcfb8bc..ef3269c43d4f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -372,6 +372,52 @@ static int psp_tmr_load(struct psp_context *psp)
return ret;
}
+static void psp_prep_tmr_unload_cmd_buf(struct psp_context *psp,
+ struct psp_gfx_cmd_resp *cmd)
+{
+ if (amdgpu_sriov_vf(psp->adev))
+ cmd->cmd_id = GFX_CMD_ID_DESTROY_VMR;
+ else
+ cmd->cmd_id = GFX_CMD_ID_DESTROY_TMR;
+}
+
+static int psp_tmr_unload(struct psp_context *psp)
+{
+ int ret;
+ struct psp_gfx_cmd_resp *cmd;
+
+ cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ psp_prep_tmr_unload_cmd_buf(psp, cmd);
+ DRM_INFO("free PSP TMR buffer\n");
+
+ ret = psp_cmd_submit_buf(psp, NULL, cmd,
+ psp->fence_buf_mc_addr);
+
+ kfree(cmd);
+
+ return ret;
+}
+
+static int psp_tmr_terminate(struct psp_context *psp)
+{
+ int ret;
+ void *tmr_buf;
+ void **pptr;
+
+ ret = psp_tmr_unload(psp);
+ if (ret)
+ return ret;
+
+ /* free TMR memory buffer */
+ pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
+ amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+
+ return 0;
+}
+
static void psp_prep_asd_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint64_t asd_mc, uint32_t size)
{
@@ -1779,8 +1825,6 @@ static int psp_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct psp_context *psp = &adev->psp;
- void *tmr_buf;
- void **pptr;
if (psp->adev->psp.ta_fw) {
psp_ras_terminate(psp);
@@ -1790,10 +1834,9 @@ static int psp_hw_fini(void *handle)
psp_asd_unload(psp);
+ psp_tmr_terminate(psp);
psp_ring_destroy(psp, PSP_RING_TYPE__KM);
- pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
- amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
amdgpu_bo_free_kernel(&psp->fw_pri_bo,
&psp->fw_pri_mc_addr, &psp->fw_pri_buf);
amdgpu_bo_free_kernel(&psp->fence_buf_bo,
@@ -1840,6 +1883,18 @@ static int psp_suspend(void *handle)
}
}
+ ret = psp_asd_unload(psp);
+ if (ret) {
+ DRM_ERROR("Failed to unload asd\n");
+ return ret;
+ }
+
+ ret = psp_tmr_terminate(psp);
+ if (ret) {
+ DRM_ERROR("Falied to terminate tmr\n");
+ return ret;
+ }
+
ret = psp_ring_stop(psp, PSP_RING_TYPE__KM);
if (ret) {
DRM_ERROR("PSP ring stop failed\n");
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 10ac8076d4f2..db5e0bb0d935 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1358,7 +1358,7 @@ static int dm_late_init(void *handle)
struct dmcu *dmcu = NULL;
bool ret;
- if (!adev->dm.fw_dmcu)
+ if (!adev->dm.fw_dmcu && !adev->dm.dmub_fw)
return detect_mst_link_for_all_connectors(adev->ddev);
dmcu = adev->dm.dc->res_pool->dmcu;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 6f93a6ca4cf0..d016f50e187c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -2538,10 +2538,12 @@ void dc_commit_updates_for_stream(struct dc *dc,
copy_stream_update_to_stream(dc, context, stream, stream_update);
- if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false)) {
- DC_ERROR("Mode validation failed for stream update!\n");
- dc_release_state(context);
- return;
+ if (update_type > UPDATE_TYPE_FAST) {
+ if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false)) {
+ DC_ERROR("Mode validation failed for stream update!\n");
+ dc_release_state(context);
+ return;
+ }
}
commit_planes_for_stream(
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c
index 2fb97554134f..c2e0fbbccf56 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c
@@ -522,9 +522,11 @@ static int vega20_smu_init(struct pp_hwmgr *hwmgr)
priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].version = 0x01;
priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].size = sizeof(DpmActivityMonitorCoeffInt_t);
- ret = smu_v11_0_i2c_eeprom_control_init(&adev->pm.smu_i2c);
- if (ret)
- goto err4;
+ if (adev->psp.ras.ras) {
+ ret = smu_v11_0_i2c_eeprom_control_init(&adev->pm.smu_i2c);
+ if (ret)
+ goto err4;
+ }
return 0;
@@ -560,7 +562,8 @@ static int vega20_smu_fini(struct pp_hwmgr *hwmgr)
(struct vega20_smumgr *)(hwmgr->smu_backend);
struct amdgpu_device *adev = hwmgr->adev;
- smu_v11_0_i2c_eeprom_control_fini(&adev->pm.smu_i2c);
+ if (adev->psp.ras.ras)
+ smu_v11_0_i2c_eeprom_control_fini(&adev->pm.smu_i2c);
if (priv) {
amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dma.c b/drivers/gpu/drm/exynos/exynos_drm_dma.c
index 619f81435c1b..58b89ec11b0e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dma.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dma.c
@@ -61,7 +61,7 @@ static int drm_iommu_attach_device(struct drm_device *drm_dev,
struct device *subdrv_dev, void **dma_priv)
{
struct exynos_drm_private *priv = drm_dev->dev_private;
- int ret;
+ int ret = 0;
if (get_dma_ops(priv->dma_dev) != get_dma_ops(subdrv_dev)) {
DRM_DEV_ERROR(subdrv_dev, "Device %s lacks support for IOMMU\n",
@@ -92,7 +92,7 @@ static int drm_iommu_attach_device(struct drm_device *drm_dev,
if (ret)
clear_dma_max_seg_size(subdrv_dev);
- return 0;
+ return ret;
}
/*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index fcee33a43aca..03be31427181 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -1498,7 +1498,6 @@ static int g2d_probe(struct platform_device *pdev)
g2d->irq = platform_get_irq(pdev, 0);
if (g2d->irq < 0) {
- dev_err(dev, "failed to get irq\n");
ret = g2d->irq;
goto err_put_clk;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index a86abc173605..3821ea76a703 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
@@ -269,8 +269,10 @@ static void mic_pre_enable(struct drm_bridge *bridge)
goto unlock;
ret = pm_runtime_get_sync(mic->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_noidle(mic->dev);
goto unlock;
+ }
mic_set_path(mic, 1);
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index a6fd0c29e5b8..544b9993c99e 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -307,8 +307,6 @@ static int hibmc_load(struct drm_device *dev)
/* reset all the states of crtc/plane/encoder/connector */
drm_mode_config_reset(dev);
- drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth);
-
return 0;
err:
@@ -355,6 +353,9 @@ static int hibmc_pci_probe(struct pci_dev *pdev,
ret);
goto err_unload;
}
+
+ drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth);
+
return 0;
err_unload:
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 9ea1a397d1b5..26996e1839e2 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -3822,6 +3822,17 @@ skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state,
return true;
}
+unsigned int
+intel_plane_fence_y_offset(const struct intel_plane_state *plane_state)
+{
+ int x = 0, y = 0;
+
+ intel_plane_adjust_aligned_offset(&x, &y, plane_state, 0,
+ plane_state->color_plane[0].offset, 0);
+
+ return y;
+}
+
static int skl_check_main_surface(struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane_state->uapi.plane->dev);
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index efb4da205ea2..3a06f72c9859 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -608,6 +608,7 @@ unsigned int i9xx_plane_max_stride(struct intel_plane *plane,
u32 pixel_format, u64 modifier,
unsigned int rotation);
int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
+unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);
struct intel_display_error_state *
intel_display_capture_error_state(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 1c26673acb2d..a65d9d8b79a7 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -48,19 +48,6 @@
#include "intel_frontbuffer.h"
/*
- * In some platforms where the CRTC's x:0/y:0 coordinates doesn't match the
- * frontbuffer's x:0/y:0 coordinates we lie to the hardware about the plane's
- * origin so the x and y offsets can actually fit the registers. As a
- * consequence, the fence doesn't really start exactly at the display plane
- * address we program because it starts at the real start of the buffer, so we
- * have to take this into consideration here.
- */
-static unsigned int get_crtc_fence_y_offset(struct intel_fbc *fbc)
-{
- return fbc->state_cache.plane.y - fbc->state_cache.plane.adjusted_y;
-}
-
-/*
* For SKL+, the plane source size used by the hardware is based on the value we
* write to the PLANE_SIZE register. For BDW-, the hardware looks at the value
* we wrote to PIPESRC.
@@ -141,7 +128,7 @@ static void i8xx_fbc_activate(struct drm_i915_private *dev_priv)
fbc_ctl2 |= FBC_CTL_CPU_FENCE;
intel_de_write(dev_priv, FBC_CONTROL2, fbc_ctl2);
intel_de_write(dev_priv, FBC_FENCE_OFF,
- params->crtc.fence_y_offset);
+ params->fence_y_offset);
}
/* enable it... */
@@ -175,7 +162,7 @@ static void g4x_fbc_activate(struct drm_i915_private *dev_priv)
if (params->fence_id >= 0) {
dpfc_ctl |= DPFC_CTL_FENCE_EN | params->fence_id;
intel_de_write(dev_priv, DPFC_FENCE_YOFF,
- params->crtc.fence_y_offset);
+ params->fence_y_offset);
} else {
intel_de_write(dev_priv, DPFC_FENCE_YOFF, 0);
}
@@ -243,7 +230,7 @@ static void ilk_fbc_activate(struct drm_i915_private *dev_priv)
intel_de_write(dev_priv, SNB_DPFC_CTL_SA,
SNB_CPU_FENCE_ENABLE | params->fence_id);
intel_de_write(dev_priv, DPFC_CPU_FENCE_OFFSET,
- params->crtc.fence_y_offset);
+ params->fence_y_offset);
}
} else {
if (IS_GEN(dev_priv, 6)) {
@@ -253,7 +240,7 @@ static void ilk_fbc_activate(struct drm_i915_private *dev_priv)
}
intel_de_write(dev_priv, ILK_DPFC_FENCE_YOFF,
- params->crtc.fence_y_offset);
+ params->fence_y_offset);
/* enable it... */
intel_de_write(dev_priv, ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN);
@@ -320,7 +307,7 @@ static void gen7_fbc_activate(struct drm_i915_private *dev_priv)
intel_de_write(dev_priv, SNB_DPFC_CTL_SA,
SNB_CPU_FENCE_ENABLE | params->fence_id);
intel_de_write(dev_priv, DPFC_CPU_FENCE_OFFSET,
- params->crtc.fence_y_offset);
+ params->fence_y_offset);
} else if (dev_priv->ggtt.num_fences) {
intel_de_write(dev_priv, SNB_DPFC_CTL_SA, 0);
intel_de_write(dev_priv, DPFC_CPU_FENCE_OFFSET, 0);
@@ -631,8 +618,8 @@ static bool rotation_is_valid(struct drm_i915_private *dev_priv,
/*
* For some reason, the hardware tracking starts looking at whatever we
* programmed as the display plane base address register. It does not look at
- * the X and Y offset registers. That's why we look at the crtc->adjusted{x,y}
- * variables instead of just looking at the pipe/plane size.
+ * the X and Y offset registers. That's why we include the src x/y offsets
+ * instead of just looking at the plane size.
*/
static bool intel_fbc_hw_tracking_covers_screen(struct intel_crtc *crtc)
{
@@ -705,7 +692,6 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
cache->plane.src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
cache->plane.adjusted_x = plane_state->color_plane[0].x;
cache->plane.adjusted_y = plane_state->color_plane[0].y;
- cache->plane.y = plane_state->uapi.src.y1 >> 16;
cache->plane.pixel_blend_mode = plane_state->hw.pixel_blend_mode;
@@ -713,6 +699,8 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
cache->fb.stride = fb->pitches[0];
cache->fb.modifier = fb->modifier;
+ cache->fence_y_offset = intel_plane_fence_y_offset(plane_state);
+
drm_WARN_ON(&dev_priv->drm, plane_state->flags & PLANE_HAS_FENCE &&
!plane_state->vma->fence);
@@ -883,10 +871,10 @@ static void intel_fbc_get_reg_params(struct intel_crtc *crtc,
memset(params, 0, sizeof(*params));
params->fence_id = cache->fence_id;
+ params->fence_y_offset = cache->fence_y_offset;
params->crtc.pipe = crtc->pipe;
params->crtc.i9xx_plane = to_intel_plane(crtc->base.primary)->i9xx_plane;
- params->crtc.fence_y_offset = get_crtc_fence_y_offset(fbc);
params->fb.format = cache->fb.format;
params->fb.stride = cache->fb.stride;
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index e4aece20bc80..52db2bde44a3 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -204,25 +204,25 @@ static int __ring_active(struct intel_ring *ring)
{
int err;
- err = i915_active_acquire(&ring->vma->active);
+ err = intel_ring_pin(ring);
if (err)
return err;
- err = intel_ring_pin(ring);
+ err = i915_active_acquire(&ring->vma->active);
if (err)
- goto err_active;
+ goto err_pin;
return 0;
-err_active:
- i915_active_release(&ring->vma->active);
+err_pin:
+ intel_ring_unpin(ring);
return err;
}
static void __ring_retire(struct intel_ring *ring)
{
- intel_ring_unpin(ring);
i915_active_release(&ring->vma->active);
+ intel_ring_unpin(ring);
}
__i915_active_call
diff --git a/drivers/gpu/drm/i915/gt/shaders/README b/drivers/gpu/drm/i915/gt/shaders/README
new file mode 100644
index 000000000000..e7e96d7073c7
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/shaders/README
@@ -0,0 +1,46 @@
+ASM sources for auto generated shaders
+======================================
+
+The i915/gt/hsw_clear_kernel.c and i915/gt/ivb_clear_kernel.c files contain
+pre-compiled batch chunks that will clear any residual render cache during
+context switch.
+
+They are generated from their respective platform ASM files present on
+i915/gt/shaders/clear_kernel directory.
+
+The generated .c files should never be modified directly. Instead, any modification
+needs to be done on the on their respective ASM files and build instructions below
+needes to be followed.
+
+Building
+========
+
+Environment
+-----------
+
+IGT GPU tool scripts and the Mesa's i965 instruction assembler tool are used
+on building.
+
+Please make sure your Mesa tool is compiled with "-Dtools=intel" and
+"-Ddri-drivers=i965", and run this script from IGT source root directory"
+
+The instructions bellow assume:
+ * IGT gpu tools source code is located on your home directory (~) as ~/igt
+ * Mesa source code is located on your home directory (~) as ~/mesa
+ and built under the ~/mesa/build directory
+ * Linux kernel source code is under your home directory (~) as ~/linux
+
+Instructions
+------------
+
+~ $ cp ~/linux/drivers/gpu/drm/i915/gt/shaders/clear_kernel/ivb.asm \
+ ~/igt/lib/i915/shaders/clear_kernel/ivb.asm
+~ $ cd ~/igt
+igt $ ./scripts/generate_clear_kernel.sh -g ivb \
+ -m ~/mesa/build/src/intel/tools/i965_asm
+
+~ $ cp ~/linux/drivers/gpu/drm/i915/gt/shaders/clear_kernel/hsw.asm \
+ ~/igt/lib/i915/shaders/clear_kernel/hsw.asm
+~ $ cd ~/igt
+igt $ ./scripts/generate_clear_kernel.sh -g hsw \
+ -m ~/mesa/build/src/intel/tools/i965_asm \ No newline at end of file
diff --git a/drivers/gpu/drm/i915/gt/shaders/clear_kernel/hsw.asm b/drivers/gpu/drm/i915/gt/shaders/clear_kernel/hsw.asm
new file mode 100644
index 000000000000..5fdf384bb621
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/shaders/clear_kernel/hsw.asm
@@ -0,0 +1,119 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+/*
+ * Kernel for PAVP buffer clear.
+ *
+ * 1. Clear all 64 GRF registers assigned to the kernel with designated value;
+ * 2. Write 32x16 block of all "0" to render target buffer which indirectly clears
+ * 512 bytes of Render Cache.
+ */
+
+/* Store designated "clear GRF" value */
+mov(1) f0.1<1>UW g1.2<0,1,0>UW { align1 1N };
+
+/**
+ * Curbe Format
+ *
+ * DW 1.0 - Block Offset to write Render Cache
+ * DW 1.1 [15:0] - Clear Word
+ * DW 1.2 - Delay iterations
+ * DW 1.3 - Enable Instrumentation (only for debug)
+ * DW 1.4 - Rsvd (intended for context ID)
+ * DW 1.5 - [31:16]:SliceCount, [15:0]:SubSlicePerSliceCount
+ * DW 1.6 - Rsvd MBZ (intended for Enable Wait on Total Thread Count)
+ * DW 1.7 - Rsvd MBZ (inteded for Total Thread Count)
+ *
+ * Binding Table
+ *
+ * BTI 0: 2D Surface to help clear L3 (Render/Data Cache)
+ * BTI 1: Wait/Instrumentation Buffer
+ * Size : (SliceCount * SubSliceCount * 16 EUs/SubSlice) rows * (16 threads/EU) cols (Format R32_UINT)
+ * Expected to be initialized to 0 by driver/another kernel
+ * Layout:
+ * RowN: Histogram for EU-N: (SliceID*SubSlicePerSliceCount + SSID)*16 + EUID [assume max 16 EUs / SS]
+ * Col-k[DW-k]: Threads Executed on ThreadID-k for EU-N
+ */
+add(1) g1.2<1>UD g1.2<0,1,0>UD 0x00000001UD { align1 1N }; /* Loop count to delay kernel: Init to (g1.2 + 1) */
+cmp.z.f0.0(1) null<1>UD g1.3<0,1,0>UD 0x00000000UD { align1 1N };
+(+f0.0) jmpi(1) 352D { align1 WE_all 1N };
+
+/**
+ * State Register has info on where this thread is running
+ * IVB: sr0.0 :: [15:13]: MBZ, 12: HSID (Half-Slice ID), [11:8]EUID, [2:0] ThreadSlotID
+ * HSW: sr0.0 :: 15: MBZ, [14:13]: SliceID, 12: HSID (Half-Slice ID), [11:8]EUID, [2:0] ThreadSlotID
+ */
+mov(8) g3<1>UD 0x00000000UD { align1 1Q };
+shr(1) g3<1>D sr0<0,1,0>D 12D { align1 1N };
+and(1) g3<1>D g3<0,1,0>D 1D { align1 1N }; /* g3 has HSID */
+shr(1) g3.1<1>D sr0<0,1,0>D 13D { align1 1N };
+and(1) g3.1<1>D g3.1<0,1,0>D 3D { align1 1N }; /* g3.1 has sliceID */
+mul(1) g3.5<1>D g3.1<0,1,0>D g1.10<0,1,0>UW { align1 1N };
+add(1) g3<1>D g3<0,1,0>D g3.5<0,1,0>D { align1 1N }; /* g3 = sliceID * SubSlicePerSliceCount + HSID */
+shr(1) g3.2<1>D sr0<0,1,0>D 8D { align1 1N };
+and(1) g3.2<1>D g3.2<0,1,0>D 15D { align1 1N }; /* g3.2 = EUID */
+mul(1) g3.4<1>D g3<0,1,0>D 16D { align1 1N };
+add(1) g3.2<1>D g3.2<0,1,0>D g3.4<0,1,0>D { align1 1N }; /* g3.2 now points to EU row number (Y-pixel = V address ) in instrumentation surf */
+
+mov(8) g5<1>UD 0x00000000UD { align1 1Q };
+and(1) g3.3<1>D sr0<0,1,0>D 7D { align1 1N };
+mul(1) g3.3<1>D g3.3<0,1,0>D 4D { align1 1N };
+
+mov(8) g4<1>UD g0<8,8,1>UD { align1 1Q }; /* Initialize message header with g0 */
+mov(1) g4<1>UD g3.3<0,1,0>UD { align1 1N }; /* Block offset */
+mov(1) g4.1<1>UD g3.2<0,1,0>UD { align1 1N }; /* Block offset */
+mov(1) g4.2<1>UD 0x00000003UD { align1 1N }; /* Block size (1 row x 4 bytes) */
+and(1) g4.3<1>UD g4.3<0,1,0>UW 0xffffffffUD { align1 1N };
+
+/* Media block read to fetch current value at specified location in instrumentation buffer */
+sendc(8) g5<1>UD g4<8,8,1>F 0x02190001
+
+ render MsgDesc: media block read MsgCtrl = 0x0 Surface = 1 mlen 1 rlen 1 { align1 1Q };
+add(1) g5<1>D g5<0,1,0>D 1D { align1 1N };
+
+/* Media block write for updated value at specified location in instrumentation buffer */
+sendc(8) g5<1>UD g4<8,8,1>F 0x040a8001
+ render MsgDesc: media block write MsgCtrl = 0x0 Surface = 1 mlen 2 rlen 0 { align1 1Q };
+
+/* Delay thread for specified parameter */
+add.nz.f0.0(1) g1.2<1>UD g1.2<0,1,0>UD -1D { align1 1N };
+(+f0.0) jmpi(1) -32D { align1 WE_all 1N };
+
+/* Store designated "clear GRF" value */
+mov(1) f0.1<1>UW g1.2<0,1,0>UW { align1 1N };
+
+/* Initialize looping parameters */
+mov(1) a0<1>D 0D { align1 1N }; /* Initialize a0.0:w=0 */
+mov(1) a0.4<1>W 127W { align1 1N }; /* Loop count. Each loop contains 16 GRF's */
+
+/* Write 32x16 all "0" block */
+mov(8) g2<1>UD g0<8,8,1>UD { align1 1Q };
+mov(8) g127<1>UD g0<8,8,1>UD { align1 1Q };
+mov(2) g2<1>UD g1<2,2,1>UW { align1 1N };
+mov(1) g2.2<1>UD 0x000f000fUD { align1 1N }; /* Block size (16x16) */
+and(1) g2.3<1>UD g2.3<0,1,0>UW 0xffffffefUD { align1 1N };
+mov(16) g3<1>UD 0x00000000UD { align1 1H };
+mov(16) g4<1>UD 0x00000000UD { align1 1H };
+mov(16) g5<1>UD 0x00000000UD { align1 1H };
+mov(16) g6<1>UD 0x00000000UD { align1 1H };
+mov(16) g7<1>UD 0x00000000UD { align1 1H };
+mov(16) g8<1>UD 0x00000000UD { align1 1H };
+mov(16) g9<1>UD 0x00000000UD { align1 1H };
+mov(16) g10<1>UD 0x00000000UD { align1 1H };
+sendc(8) null<1>UD g2<8,8,1>F 0x120a8000
+ render MsgDesc: media block write MsgCtrl = 0x0 Surface = 0 mlen 9 rlen 0 { align1 1Q };
+add(1) g2<1>UD g1<0,1,0>UW 0x0010UW { align1 1N };
+sendc(8) null<1>UD g2<8,8,1>F 0x120a8000
+ render MsgDesc: media block write MsgCtrl = 0x0 Surface = 0 mlen 9 rlen 0 { align1 1Q };
+
+/* Now, clear all GRF registers */
+add.nz.f0.0(1) a0.4<1>W a0.4<0,1,0>W -1W { align1 1N };
+mov(16) g[a0]<1>UW f0.1<0,1,0>UW { align1 1H };
+add(1) a0<1>D a0<0,1,0>D 32D { align1 1N };
+(+f0.0) jmpi(1) -64D { align1 WE_all 1N };
+
+/* Terminante the thread */
+sendc(8) null<1>UD g127<8,8,1>F 0x82000010
+ thread_spawner MsgDesc: mlen 1 rlen 0 { align1 1Q EOT };
diff --git a/drivers/gpu/drm/i915/gt/shaders/clear_kernel/ivb.asm b/drivers/gpu/drm/i915/gt/shaders/clear_kernel/ivb.asm
new file mode 100644
index 000000000000..97c7ac9e3854
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/shaders/clear_kernel/ivb.asm
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+/*
+ * Kernel for PAVP buffer clear.
+ *
+ * 1. Clear all 64 GRF registers assigned to the kernel with designated value;
+ * 2. Write 32x16 block of all "0" to render target buffer which indirectly clears
+ * 512 bytes of Render Cache.
+ */
+
+/* Store designated "clear GRF" value */
+mov(1) f0.1<1>UW g1.2<0,1,0>UW { align1 1N };
+
+/**
+ * Curbe Format
+ *
+ * DW 1.0 - Block Offset to write Render Cache
+ * DW 1.1 [15:0] - Clear Word
+ * DW 1.2 - Delay iterations
+ * DW 1.3 - Enable Instrumentation (only for debug)
+ * DW 1.4 - Rsvd (intended for context ID)
+ * DW 1.5 - [31:16]:SliceCount, [15:0]:SubSlicePerSliceCount
+ * DW 1.6 - Rsvd MBZ (intended for Enable Wait on Total Thread Count)
+ * DW 1.7 - Rsvd MBZ (inteded for Total Thread Count)
+ *
+ * Binding Table
+ *
+ * BTI 0: 2D Surface to help clear L3 (Render/Data Cache)
+ * BTI 1: Wait/Instrumentation Buffer
+ * Size : (SliceCount * SubSliceCount * 16 EUs/SubSlice) rows * (16 threads/EU) cols (Format R32_UINT)
+ * Expected to be initialized to 0 by driver/another kernel
+ * Layout :
+ * RowN: Histogram for EU-N: (SliceID*SubSlicePerSliceCount + SSID)*16 + EUID [assume max 16 EUs / SS]
+ * Col-k[DW-k]: Threads Executed on ThreadID-k for EU-N
+ */
+add(1) g1.2<1>UD g1.2<0,1,0>UD 0x00000001UD { align1 1N }; /* Loop count to delay kernel: Init to (g1.2 + 1) */
+cmp.z.f0.0(1) null<1>UD g1.3<0,1,0>UD 0x00000000UD { align1 1N };
+(+f0.0) jmpi(1) 44D { align1 WE_all 1N };
+
+/**
+ * State Register has info on where this thread is running
+ * IVB: sr0.0 :: [15:13]: MBZ, 12: HSID (Half-Slice ID), [11:8]EUID, [2:0] ThreadSlotID
+ * HSW: sr0.0 :: 15: MBZ, [14:13]: SliceID, 12: HSID (Half-Slice ID), [11:8]EUID, [2:0] ThreadSlotID
+ */
+mov(8) g3<1>UD 0x00000000UD { align1 1Q };
+shr(1) g3<1>D sr0<0,1,0>D 12D { align1 1N };
+and(1) g3<1>D g3<0,1,0>D 1D { align1 1N }; /* g3 has HSID */
+shr(1) g3.1<1>D sr0<0,1,0>D 13D { align1 1N };
+and(1) g3.1<1>D g3.1<0,1,0>D 3D { align1 1N }; /* g3.1 has sliceID */
+mul(1) g3.5<1>D g3.1<0,1,0>D g1.10<0,1,0>UW { align1 1N };
+add(1) g3<1>D g3<0,1,0>D g3.5<0,1,0>D { align1 1N }; /* g3 = sliceID * SubSlicePerSliceCount + HSID */
+shr(1) g3.2<1>D sr0<0,1,0>D 8D { align1 1N };
+and(1) g3.2<1>D g3.2<0,1,0>D 15D { align1 1N }; /* g3.2 = EUID */
+mul(1) g3.4<1>D g3<0,1,0>D 16D { align1 1N };
+add(1) g3.2<1>D g3.2<0,1,0>D g3.4<0,1,0>D { align1 1N }; /* g3.2 now points to EU row number (Y-pixel = V address ) in instrumentation surf */
+
+mov(8) g5<1>UD 0x00000000UD { align1 1Q };
+and(1) g3.3<1>D sr0<0,1,0>D 7D { align1 1N };
+mul(1) g3.3<1>D g3.3<0,1,0>D 4D { align1 1N };
+
+mov(8) g4<1>UD g0<8,8,1>UD { align1 1Q }; /* Initialize message header with g0 */
+mov(1) g4<1>UD g3.3<0,1,0>UD { align1 1N }; /* Block offset */
+mov(1) g4.1<1>UD g3.2<0,1,0>UD { align1 1N }; /* Block offset */
+mov(1) g4.2<1>UD 0x00000003UD { align1 1N }; /* Block size (1 row x 4 bytes) */
+and(1) g4.3<1>UD g4.3<0,1,0>UW 0xffffffffUD { align1 1N };
+
+/* Media block read to fetch current value at specified location in instrumentation buffer */
+sendc(8) g5<1>UD g4<8,8,1>F 0x02190001
+ render MsgDesc: media block read MsgCtrl = 0x0 Surface = 1 mlen 1 rlen 1 { align1 1Q };
+add(1) g5<1>D g5<0,1,0>D 1D { align1 1N };
+
+/* Media block write for updated value at specified location in instrumentation buffer */
+sendc(8) g5<1>UD g4<8,8,1>F 0x040a8001
+ render MsgDesc: media block write MsgCtrl = 0x0 Surface = 1 mlen 2 rlen 0 { align1 1Q };
+/* Delay thread for specified parameter */
+add.nz.f0.0(1) g1.2<1>UD g1.2<0,1,0>UD -1D { align1 1N };
+(+f0.0) jmpi(1) -4D { align1 WE_all 1N };
+
+/* Store designated "clear GRF" value */
+mov(1) f0.1<1>UW g1.2<0,1,0>UW { align1 1N };
+
+/* Initialize looping parameters */
+mov(1) a0<1>D 0D { align1 1N }; /* Initialize a0.0:w=0 */
+mov(1) a0.4<1>W 127W { align1 1N }; /* Loop count. Each loop contains 16 GRF's */
+
+/* Write 32x16 all "0" block */
+mov(8) g2<1>UD g0<8,8,1>UD { align1 1Q };
+mov(8) g127<1>UD g0<8,8,1>UD { align1 1Q };
+mov(2) g2<1>UD g1<2,2,1>UW { align1 1N };
+mov(1) g2.2<1>UD 0x000f000fUD { align1 1N }; /* Block size (16x16) */
+and(1) g2.3<1>UD g2.3<0,1,0>UW 0xffffffefUD { align1 1N };
+mov(16) g3<1>UD 0x00000000UD { align1 1H };
+mov(16) g4<1>UD 0x00000000UD { align1 1H };
+mov(16) g5<1>UD 0x00000000UD { align1 1H };
+mov(16) g6<1>UD 0x00000000UD { align1 1H };
+mov(16) g7<1>UD 0x00000000UD { align1 1H };
+mov(16) g8<1>UD 0x00000000UD { align1 1H };
+mov(16) g9<1>UD 0x00000000UD { align1 1H };
+mov(16) g10<1>UD 0x00000000UD { align1 1H };
+sendc(8) null<1>UD g2<8,8,1>F 0x120a8000
+ render MsgDesc: media block write MsgCtrl = 0x0 Surface = 0 mlen 9 rlen 0 { align1 1Q };
+add(1) g2<1>UD g1<0,1,0>UW 0x0010UW { align1 1N };
+sendc(8) null<1>UD g2<8,8,1>F 0x120a8000
+ render MsgDesc: media block write MsgCtrl = 0x0 Surface = 0 mlen 9 rlen 0 { align1 1Q };
+
+/* Now, clear all GRF registers */
+add.nz.f0.0(1) a0.4<1>W a0.4<0,1,0>W -1W { align1 1N };
+mov(16) g[a0]<1>UW f0.1<0,1,0>UW { align1 1H };
+add(1) a0<1>D a0<0,1,0>D 32D { align1 1N };
+(+f0.0) jmpi(1) -8D { align1 WE_all 1N };
+
+/* Terminante the thread */
+sendc(8) null<1>UD g127<8,8,1>F 0x82000010
+ thread_spawner MsgDesc: mlen 1 rlen 0 { align1 1Q EOT };
diff --git a/drivers/gpu/drm/i915/gvt/debugfs.c b/drivers/gpu/drm/i915/gvt/debugfs.c
index ec47d4114554..62e6a14ad58e 100644
--- a/drivers/gpu/drm/i915/gvt/debugfs.c
+++ b/drivers/gpu/drm/i915/gvt/debugfs.c
@@ -66,7 +66,7 @@ static inline int mmio_diff_handler(struct intel_gvt *gvt,
vreg = vgpu_vreg(param->vgpu, offset);
if (preg != vreg) {
- node = kmalloc(sizeof(*node), GFP_KERNEL);
+ node = kmalloc(sizeof(*node), GFP_ATOMIC);
if (!node)
return -ENOMEM;
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 3e88e3b5c43a..fadd2adb8030 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -1726,13 +1726,13 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(2);
write_vreg(vgpu, offset, p_data, bytes);
- if (data & _MASKED_BIT_ENABLE(1)) {
+ if (IS_MASKED_BITS_ENABLED(data, 1)) {
enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
return 0;
}
if (IS_COFFEELAKE(vgpu->gvt->gt->i915) &&
- data & _MASKED_BIT_ENABLE(2)) {
+ IS_MASKED_BITS_ENABLED(data, 2)) {
enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
return 0;
}
@@ -1741,14 +1741,14 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
* pvinfo, if not, we will treat this guest as non-gvtg-aware
* guest, and stop emulating its cfg space, mmio, gtt, etc.
*/
- if (((data & _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)) ||
- (data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)))
- && !vgpu->pv_notified) {
+ if ((IS_MASKED_BITS_ENABLED(data, GFX_PPGTT_ENABLE) ||
+ IS_MASKED_BITS_ENABLED(data, GFX_RUN_LIST_ENABLE)) &&
+ !vgpu->pv_notified) {
enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
return 0;
}
- if ((data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE))
- || (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) {
+ if (IS_MASKED_BITS_ENABLED(data, GFX_RUN_LIST_ENABLE) ||
+ IS_MASKED_BITS_DISABLED(data, GFX_RUN_LIST_ENABLE)) {
enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
gvt_dbg_core("EXECLIST %s on ring %s\n",
@@ -1809,7 +1809,7 @@ static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
write_vreg(vgpu, offset, p_data, bytes);
data = vgpu_vreg(vgpu, offset);
- if (data & _MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET))
+ if (IS_MASKED_BITS_ENABLED(data, RESET_CTL_REQUEST_RESET))
data |= RESET_CTL_READY_TO_RESET;
else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET))
data &= ~RESET_CTL_READY_TO_RESET;
@@ -1827,7 +1827,8 @@ static int csfe_chicken1_mmio_write(struct intel_vgpu *vgpu,
(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(0x18);
write_vreg(vgpu, offset, p_data, bytes);
- if (data & _MASKED_BIT_ENABLE(0x10) || data & _MASKED_BIT_ENABLE(0x8))
+ if (IS_MASKED_BITS_ENABLED(data, 0x10) ||
+ IS_MASKED_BITS_ENABLED(data, 0x8))
enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
return 0;
@@ -3055,6 +3056,7 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(_MMIO(0x72380), D_SKL_PLUS);
MMIO_D(_MMIO(0x7239c), D_SKL_PLUS);
MMIO_D(_MMIO(_PLANE_SURF_3_A), D_SKL_PLUS);
+ MMIO_D(_MMIO(_PLANE_SURF_3_B), D_SKL_PLUS);
MMIO_D(CSR_SSP_BASE, D_SKL_PLUS);
MMIO_D(CSR_HTP_SKL, D_SKL_PLUS);
@@ -3131,8 +3133,8 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_DFH(GEN9_WM_CHICKEN3, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
- MMIO_D(GAMT_CHKN_BIT_REG, D_KBL);
- MMIO_D(GEN9_CTX_PREEMPT_REG, D_KBL | D_SKL);
+ MMIO_D(GAMT_CHKN_BIT_REG, D_KBL | D_CFL);
+ MMIO_D(GEN9_CTX_PREEMPT_REG, D_SKL_PLUS);
return 0;
}
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.h b/drivers/gpu/drm/i915/gvt/mmio_context.h
index 970704b18f23..3b25e7fe32f6 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.h
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.h
@@ -54,8 +54,8 @@ bool is_inhibit_context(struct intel_context *ce);
int intel_vgpu_restore_inhibit_context(struct intel_vgpu *vgpu,
struct i915_request *req);
-#define IS_RESTORE_INHIBIT(a) \
- (_MASKED_BIT_ENABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT) == \
- ((a) & _MASKED_BIT_ENABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT)))
+
+#define IS_RESTORE_INHIBIT(a) \
+ IS_MASKED_BITS_ENABLED(a, CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT)
#endif
diff --git a/drivers/gpu/drm/i915/gvt/reg.h b/drivers/gpu/drm/i915/gvt/reg.h
index 5b66e14c5b7b..b88e033cbed4 100644
--- a/drivers/gpu/drm/i915/gvt/reg.h
+++ b/drivers/gpu/drm/i915/gvt/reg.h
@@ -94,6 +94,11 @@
#define GFX_MODE_BIT_SET_IN_MASK(val, bit) \
((((bit) & 0xffff0000) == 0) && !!((val) & (((bit) << 16))))
+#define IS_MASKED_BITS_ENABLED(_val, _b) \
+ (((_val) & _MASKED_BIT_ENABLE(_b)) == _MASKED_BIT_ENABLE(_b))
+#define IS_MASKED_BITS_DISABLED(_val, _b) \
+ ((_val) & _MASKED_BIT_DISABLE(_b))
+
#define FORCEWAKE_RENDER_GEN9_REG 0xa278
#define FORCEWAKE_ACK_RENDER_GEN9_REG 0x0D84
#define FORCEWAKE_BLITTER_GEN9_REG 0xa188
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index bca036ac6621..e7532e7d74e9 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -230,7 +230,7 @@ static int per_file_stats(int id, void *ptr, void *data)
struct file_stats *stats = data;
struct i915_vma *vma;
- if (!kref_get_unless_zero(&obj->base.refcount))
+ if (IS_ERR_OR_NULL(obj) || !kref_get_unless_zero(&obj->base.refcount))
return 0;
stats->count++;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index adb9bf34cf97..f79f118bf192 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -410,8 +410,6 @@ struct intel_fbc {
int adjusted_x;
int adjusted_y;
- int y;
-
u16 pixel_blend_mode;
} plane;
@@ -420,6 +418,8 @@ struct intel_fbc {
unsigned int stride;
u64 modifier;
} fb;
+
+ unsigned int fence_y_offset;
u16 gen9_wa_cfb_stride;
s8 fence_id;
} state_cache;
@@ -435,7 +435,6 @@ struct intel_fbc {
struct {
enum pipe pipe;
enum i9xx_plane_id i9xx_plane;
- unsigned int fence_y_offset;
} crtc;
struct {
@@ -444,6 +443,7 @@ struct intel_fbc {
} fb;
int cfb_size;
+ unsigned int fence_y_offset;
u16 gen9_wa_cfb_stride;
s8 fence_id;
bool plane_visible;
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index fc14ebf9a0b7..1f9cd33b35cb 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -104,6 +104,7 @@ vma_create(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
const struct i915_ggtt_view *view)
{
+ struct i915_vma *pos = ERR_PTR(-E2BIG);
struct i915_vma *vma;
struct rb_node *rb, **p;
@@ -184,7 +185,6 @@ vma_create(struct drm_i915_gem_object *obj,
rb = NULL;
p = &obj->vma.tree.rb_node;
while (*p) {
- struct i915_vma *pos;
long cmp;
rb = *p;
@@ -196,16 +196,12 @@ vma_create(struct drm_i915_gem_object *obj,
* and dispose of ours.
*/
cmp = i915_vma_compare(pos, vm, view);
- if (cmp == 0) {
- spin_unlock(&obj->vma.lock);
- i915_vma_free(vma);
- return pos;
- }
-
if (cmp < 0)
p = &rb->rb_right;
- else
+ else if (cmp > 0)
p = &rb->rb_left;
+ else
+ goto err_unlock;
}
rb_link_node(&vma->obj_node, rb, p);
rb_insert_color(&vma->obj_node, &obj->vma.tree);
@@ -228,8 +224,9 @@ vma_create(struct drm_i915_gem_object *obj,
err_unlock:
spin_unlock(&obj->vma.lock);
err_vma:
+ i915_vm_put(vm);
i915_vma_free(vma);
- return ERR_PTR(-E2BIG);
+ return pos;
}
static struct i915_vma *
diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig
index c420f5a3d33b..aa74aac3cbcc 100644
--- a/drivers/gpu/drm/mediatek/Kconfig
+++ b/drivers/gpu/drm/mediatek/Kconfig
@@ -6,12 +6,12 @@ config DRM_MEDIATEK
depends on COMMON_CLK
depends on HAVE_ARM_SMCCC
depends on OF
+ depends on MTK_MMSYS
select DRM_GEM_CMA_HELPER
select DRM_KMS_HELPER
select DRM_MIPI_DSI
select DRM_PANEL
select MEMORY
- select MTK_MMSYS
select MTK_SMI
select VIDEOMODE_HELPERS
help
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index fe46c4bac64d..7cd8f415fd02 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -193,7 +193,6 @@ static int mtk_crtc_ddp_clk_enable(struct mtk_drm_crtc *mtk_crtc)
int ret;
int i;
- DRM_DEBUG_DRIVER("%s\n", __func__);
for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) {
ret = clk_prepare_enable(mtk_crtc->ddp_comp[i]->clk);
if (ret) {
@@ -213,7 +212,6 @@ static void mtk_crtc_ddp_clk_disable(struct mtk_drm_crtc *mtk_crtc)
{
int i;
- DRM_DEBUG_DRIVER("%s\n", __func__);
for (i = 0; i < mtk_crtc->ddp_comp_nr; i++)
clk_disable_unprepare(mtk_crtc->ddp_comp[i]->clk);
}
@@ -258,7 +256,6 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
int ret;
int i;
- DRM_DEBUG_DRIVER("%s\n", __func__);
if (WARN_ON(!crtc->state))
return -EINVAL;
@@ -299,7 +296,6 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
goto err_mutex_unprepare;
}
- DRM_DEBUG_DRIVER("mediatek_ddp_ddp_path_setup\n");
for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) {
mtk_mmsys_ddp_connect(mtk_crtc->mmsys_dev,
mtk_crtc->ddp_comp[i]->id,
@@ -349,7 +345,6 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc)
struct drm_crtc *crtc = &mtk_crtc->base;
int i;
- DRM_DEBUG_DRIVER("%s\n", __func__);
for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) {
mtk_ddp_comp_stop(mtk_crtc->ddp_comp[i]);
if (i == 1)
@@ -831,7 +826,8 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
mtk_crtc->cmdq_client =
- cmdq_mbox_create(dev, drm_crtc_index(&mtk_crtc->base),
+ cmdq_mbox_create(mtk_crtc->mmsys_dev,
+ drm_crtc_index(&mtk_crtc->base),
2000);
if (IS_ERR(mtk_crtc->cmdq_client)) {
dev_dbg(dev, "mtk_crtc %d failed to create mailbox client, writing register by CPU now\n",
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 6bd369434d9d..040a8f393fe2 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -444,7 +444,6 @@ static int mtk_drm_probe(struct platform_device *pdev)
if (!private)
return -ENOMEM;
- private->data = of_device_get_match_data(dev);
private->mmsys_dev = dev->parent;
if (!private->mmsys_dev) {
dev_err(dev, "Failed to get MMSYS device\n");
@@ -514,7 +513,8 @@ static int mtk_drm_probe(struct platform_device *pdev)
goto err_node;
}
- ret = mtk_ddp_comp_init(dev, node, comp, comp_id, NULL);
+ ret = mtk_ddp_comp_init(dev->parent, node, comp,
+ comp_id, NULL);
if (ret) {
of_node_put(node);
goto err_node;
@@ -571,7 +571,6 @@ static int mtk_drm_sys_suspend(struct device *dev)
int ret;
ret = drm_mode_config_helper_suspend(drm);
- DRM_DEBUG_DRIVER("mtk_drm_sys_suspend\n");
return ret;
}
@@ -583,7 +582,6 @@ static int mtk_drm_sys_resume(struct device *dev)
int ret;
ret = drm_mode_config_helper_resume(drm);
- DRM_DEBUG_DRIVER("mtk_drm_sys_resume\n");
return ret;
}
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index c2bd683a87c8..92141a19681b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@ -164,6 +164,16 @@ static int mtk_plane_atomic_check(struct drm_plane *plane,
true, true);
}
+static void mtk_plane_atomic_disable(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct mtk_plane_state *state = to_mtk_plane_state(plane->state);
+
+ state->pending.enable = false;
+ wmb(); /* Make sure the above parameter is set before update */
+ state->pending.dirty = true;
+}
+
static void mtk_plane_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
@@ -178,6 +188,11 @@ static void mtk_plane_atomic_update(struct drm_plane *plane,
if (!crtc || WARN_ON(!fb))
return;
+ if (!plane->state->visible) {
+ mtk_plane_atomic_disable(plane, old_state);
+ return;
+ }
+
gem = fb->obj[0];
mtk_gem = to_mtk_gem_obj(gem);
addr = mtk_gem->dma_addr;
@@ -200,16 +215,6 @@ static void mtk_plane_atomic_update(struct drm_plane *plane,
state->pending.dirty = true;
}
-static void mtk_plane_atomic_disable(struct drm_plane *plane,
- struct drm_plane_state *old_state)
-{
- struct mtk_plane_state *state = to_mtk_plane_state(plane->state);
-
- state->pending.enable = false;
- wmb(); /* Make sure the above parameter is set before update */
- state->pending.dirty = true;
-}
-
static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = {
.prepare_fb = drm_gem_fb_prepare_fb,
.atomic_check = mtk_plane_atomic_check,
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 270bf22c98fe..02ac55c13a80 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -316,10 +316,7 @@ static void mtk_dsi_lane0_ulp_mode_leave(struct mtk_dsi *dsi)
static bool mtk_dsi_clk_hs_state(struct mtk_dsi *dsi)
{
- u32 tmp_reg1;
-
- tmp_reg1 = readl(dsi->regs + DSI_PHY_LCCON);
- return ((tmp_reg1 & LC_HS_TX_EN) == 1) ? true : false;
+ return readl(dsi->regs + DSI_PHY_LCCON) & LC_HS_TX_EN;
}
static void mtk_dsi_clk_hs_mode(struct mtk_dsi *dsi, bool enter)
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 5feb760617cb..1eebe310470a 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -1630,8 +1630,6 @@ static int mtk_hdmi_audio_startup(struct device *dev, void *data)
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
mtk_hdmi_audio_enable(hdmi);
return 0;
@@ -1641,8 +1639,6 @@ static void mtk_hdmi_audio_shutdown(struct device *dev, void *data)
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
mtk_hdmi_audio_disable(hdmi);
}
@@ -1651,8 +1647,6 @@ mtk_hdmi_audio_digital_mute(struct device *dev, void *data, bool enable)
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- dev_dbg(dev, "%s(%d)\n", __func__, enable);
-
if (enable)
mtk_hdmi_hw_aud_mute(hdmi);
else
@@ -1665,8 +1659,6 @@ static int mtk_hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf,
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
memcpy(buf, hdmi->conn.eld, min(sizeof(hdmi->conn.eld), len));
return 0;
@@ -1766,7 +1758,6 @@ static int mtk_drm_hdmi_probe(struct platform_device *pdev)
goto err_bridge_remove;
}
- dev_dbg(dev, "mediatek hdmi probe success\n");
return 0;
err_bridge_remove:
@@ -1789,7 +1780,7 @@ static int mtk_hdmi_suspend(struct device *dev)
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
mtk_hdmi_clk_disable_audio(hdmi);
- dev_dbg(dev, "hdmi suspend success!\n");
+
return 0;
}
@@ -1804,7 +1795,6 @@ static int mtk_hdmi_resume(struct device *dev)
return ret;
}
- dev_dbg(dev, "hdmi resume success!\n");
return 0;
}
#endif
diff --git a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
index b55f51675205..827b93786fac 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
@@ -107,60 +107,10 @@
#define RGS_HDMITX_5T1_EDG (0xf << 4)
#define RGS_HDMITX_PLUG_TST BIT(0)
-static const u8 PREDIV[3][4] = {
- {0x0, 0x0, 0x0, 0x0}, /* 27Mhz */
- {0x1, 0x1, 0x1, 0x1}, /* 74Mhz */
- {0x1, 0x1, 0x1, 0x1} /* 148Mhz */
-};
-
-static const u8 TXDIV[3][4] = {
- {0x3, 0x3, 0x3, 0x2}, /* 27Mhz */
- {0x2, 0x1, 0x1, 0x1}, /* 74Mhz */
- {0x1, 0x0, 0x0, 0x0} /* 148Mhz */
-};
-
-static const u8 FBKSEL[3][4] = {
- {0x1, 0x1, 0x1, 0x1}, /* 27Mhz */
- {0x1, 0x0, 0x1, 0x1}, /* 74Mhz */
- {0x1, 0x0, 0x1, 0x1} /* 148Mhz */
-};
-
-static const u8 FBKDIV[3][4] = {
- {19, 24, 29, 19}, /* 27Mhz */
- {19, 24, 14, 19}, /* 74Mhz */
- {19, 24, 14, 19} /* 148Mhz */
-};
-
-static const u8 DIVEN[3][4] = {
- {0x2, 0x1, 0x1, 0x2}, /* 27Mhz */
- {0x2, 0x2, 0x2, 0x2}, /* 74Mhz */
- {0x2, 0x2, 0x2, 0x2} /* 148Mhz */
-};
-
-static const u8 HTPLLBP[3][4] = {
- {0xc, 0xc, 0x8, 0xc}, /* 27Mhz */
- {0xc, 0xf, 0xf, 0xc}, /* 74Mhz */
- {0xc, 0xf, 0xf, 0xc} /* 148Mhz */
-};
-
-static const u8 HTPLLBC[3][4] = {
- {0x2, 0x3, 0x3, 0x2}, /* 27Mhz */
- {0x2, 0x3, 0x3, 0x2}, /* 74Mhz */
- {0x2, 0x3, 0x3, 0x2} /* 148Mhz */
-};
-
-static const u8 HTPLLBR[3][4] = {
- {0x1, 0x1, 0x0, 0x1}, /* 27Mhz */
- {0x1, 0x2, 0x2, 0x1}, /* 74Mhz */
- {0x1, 0x2, 0x2, 0x1} /* 148Mhz */
-};
-
static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
{
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
- dev_dbg(hdmi_phy->dev, "%s\n", __func__);
-
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_AUTOK_EN);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3, RG_HDMITX_MHLCK_EN);
@@ -178,8 +128,6 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
{
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
- dev_dbg(hdmi_phy->dev, "%s\n", __func__);
-
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_TXDIV_EN);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_LPF_EN);
usleep_range(100, 150);
diff --git a/drivers/gpu/drm/meson/meson_registers.h b/drivers/gpu/drm/meson/meson_registers.h
index 8ea00546cd4e..049c4bfe2a3a 100644
--- a/drivers/gpu/drm/meson/meson_registers.h
+++ b/drivers/gpu/drm/meson/meson_registers.h
@@ -261,6 +261,12 @@
#define VIU_OSD_FIFO_DEPTH_VAL(val) ((val & 0x7f) << 12)
#define VIU_OSD_WORDS_PER_BURST(words) (((words & 0x4) >> 1) << 22)
#define VIU_OSD_FIFO_LIMITS(size) ((size & 0xf) << 24)
+#define VIU_OSD_BURST_LENGTH_24 (0x0 << 31 | 0x0 << 10)
+#define VIU_OSD_BURST_LENGTH_32 (0x0 << 31 | 0x1 << 10)
+#define VIU_OSD_BURST_LENGTH_48 (0x0 << 31 | 0x2 << 10)
+#define VIU_OSD_BURST_LENGTH_64 (0x0 << 31 | 0x3 << 10)
+#define VIU_OSD_BURST_LENGTH_96 (0x1 << 31 | 0x0 << 10)
+#define VIU_OSD_BURST_LENGTH_128 (0x1 << 31 | 0x1 << 10)
#define VD1_IF0_GEN_REG 0x1a50
#define VD1_IF0_CANVAS0 0x1a51
diff --git a/drivers/gpu/drm/meson/meson_viu.c b/drivers/gpu/drm/meson/meson_viu.c
index 304f8ff1339c..aede0c67a57f 100644
--- a/drivers/gpu/drm/meson/meson_viu.c
+++ b/drivers/gpu/drm/meson/meson_viu.c
@@ -411,13 +411,6 @@ void meson_viu_gxm_disable_osd1_afbc(struct meson_drm *priv)
priv->io_base + _REG(VIU_MISC_CTRL1));
}
-static inline uint32_t meson_viu_osd_burst_length_reg(uint32_t length)
-{
- uint32_t val = (((length & 0x80) % 24) / 12);
-
- return (((val & 0x3) << 10) | (((val & 0x4) >> 2) << 31));
-}
-
void meson_viu_init(struct meson_drm *priv)
{
uint32_t reg;
@@ -444,9 +437,9 @@ void meson_viu_init(struct meson_drm *priv)
VIU_OSD_FIFO_LIMITS(2); /* fifo_lim: 2*16=32 */
if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
- reg |= meson_viu_osd_burst_length_reg(32);
+ reg |= VIU_OSD_BURST_LENGTH_32;
else
- reg |= meson_viu_osd_burst_length_reg(64);
+ reg |= VIU_OSD_BURST_LENGTH_64;
writel_relaxed(reg, priv->io_base + _REG(VIU_OSD1_FIFO_CTRL_STAT));
writel_relaxed(reg, priv->io_base + _REG(VIU_OSD2_FIFO_CTRL_STAT));
diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c
index 60f6472a3e58..6021f8d9efd1 100644
--- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c
@@ -408,7 +408,7 @@ a2xx_create_address_space(struct msm_gpu *gpu, struct platform_device *pdev)
struct msm_gem_address_space *aspace;
aspace = msm_gem_address_space_create(mmu, "gpu", SZ_16M,
- SZ_16M + 0xfff * SZ_64K);
+ 0xfff * SZ_64K);
if (IS_ERR(aspace) && !IS_ERR(mmu))
mmu->funcs->destroy(mmu);
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 096be97ce9f9..21e77d67151f 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -1121,7 +1121,7 @@ static int a6xx_gmu_memory_probe(struct a6xx_gmu *gmu)
return -ENODEV;
mmu = msm_iommu_new(gmu->dev, domain);
- gmu->aspace = msm_gem_address_space_create(mmu, "gmu", 0x0, 0x7fffffff);
+ gmu->aspace = msm_gem_address_space_create(mmu, "gmu", 0x0, 0x80000000);
if (IS_ERR(gmu->aspace)) {
iommu_domain_free(domain);
return PTR_ERR(gmu->aspace);
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index a1589e040c57..7768557cdfb2 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -893,8 +893,8 @@ static const struct adreno_gpu_funcs funcs = {
#if defined(CONFIG_DRM_MSM_GPU_STATE)
.gpu_state_get = a6xx_gpu_state_get,
.gpu_state_put = a6xx_gpu_state_put,
- .create_address_space = adreno_iommu_create_address_space,
#endif
+ .create_address_space = adreno_iommu_create_address_space,
},
.get_timestamp = a6xx_get_timestamp,
};
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 89673c7ed473..5db06b590943 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -194,7 +194,7 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu,
struct msm_gem_address_space *aspace;
aspace = msm_gem_address_space_create(mmu, "gpu", SZ_16M,
- 0xfffffff);
+ 0xffffffff - SZ_16M);
if (IS_ERR(aspace) && !IS_ERR(mmu))
mmu->funcs->destroy(mmu);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 63976dcd2ac8..0946a86b37b2 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -521,7 +521,7 @@ static struct msm_display_topology dpu_encoder_get_topology(
struct dpu_kms *dpu_kms,
struct drm_display_mode *mode)
{
- struct msm_display_topology topology;
+ struct msm_display_topology topology = {0};
int i, intf_count = 0;
for (i = 0; i < MAX_PHYS_ENCODERS_PER_VIRTUAL; i++)
@@ -537,7 +537,8 @@ static struct msm_display_topology dpu_encoder_get_topology(
* 1 LM, 1 INTF
* 2 LM, 1 INTF (stream merge to support high resolution interfaces)
*
- * Adding color blocks only to primary interface
+ * Adding color blocks only to primary interface if available in
+ * sufficient number
*/
if (intf_count == 2)
topology.num_lm = 2;
@@ -546,8 +547,11 @@ static struct msm_display_topology dpu_encoder_get_topology(
else
topology.num_lm = (mode->hdisplay > MAX_HDISPLAY_SPLIT) ? 2 : 1;
- if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI)
- topology.num_dspp = topology.num_lm;
+ if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI) {
+ if (dpu_kms->catalog->dspp &&
+ (dpu_kms->catalog->dspp_count >= topology.num_lm))
+ topology.num_dspp = topology.num_lm;
+ }
topology.num_enc = 0;
topology.num_intf = intf_count;
@@ -2136,7 +2140,6 @@ int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
dpu_enc = to_dpu_encoder_virt(enc);
- mutex_init(&dpu_enc->enc_lock);
ret = dpu_encoder_setup_display(dpu_enc, dpu_kms, disp_info);
if (ret)
goto fail;
@@ -2151,7 +2154,6 @@ int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
0);
- mutex_init(&dpu_enc->rc_lock);
INIT_DELAYED_WORK(&dpu_enc->delayed_off_work,
dpu_encoder_off_work);
dpu_enc->idle_timeout = IDLE_TIMEOUT;
@@ -2183,7 +2185,7 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
dpu_enc = devm_kzalloc(dev->dev, sizeof(*dpu_enc), GFP_KERNEL);
if (!dpu_enc)
- return ERR_PTR(ENOMEM);
+ return ERR_PTR(-ENOMEM);
rc = drm_encoder_init(dev, &dpu_enc->base, &dpu_encoder_funcs,
drm_enc_mode, NULL);
@@ -2196,6 +2198,8 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
spin_lock_init(&dpu_enc->enc_spinlock);
dpu_enc->enabled = false;
+ mutex_init(&dpu_enc->enc_lock);
+ mutex_init(&dpu_enc->rc_lock);
return &dpu_enc->base;
}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index b8615d4fe8a3..680527e28d09 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -780,7 +780,7 @@ static int _dpu_kms_mmu_init(struct dpu_kms *dpu_kms)
mmu = msm_iommu_new(dpu_kms->dev->dev, domain);
aspace = msm_gem_address_space_create(mmu, "dpu1",
- 0x1000, 0xfffffff);
+ 0x1000, 0x100000000 - 0x1000);
if (IS_ERR(aspace)) {
mmu->funcs->destroy(mmu);
diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
index 08897184b1d9..fc6a3f8134c7 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
@@ -514,7 +514,7 @@ struct msm_kms *mdp4_kms_init(struct drm_device *dev)
config->iommu);
aspace = msm_gem_address_space_create(mmu,
- "mdp4", 0x1000, 0xffffffff);
+ "mdp4", 0x1000, 0x100000000 - 0x1000);
if (IS_ERR(aspace)) {
if (!IS_ERR(mmu))
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index 19ec48695ffb..e193865ce9a2 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -633,7 +633,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
mmu = msm_iommu_new(iommu_dev, config->platform.iommu);
aspace = msm_gem_address_space_create(mmu, "mdp5",
- 0x1000, 0xffffffff);
+ 0x1000, 0x100000000 - 0x1000);
if (IS_ERR(aspace)) {
if (!IS_ERR(mmu))
diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c b/drivers/gpu/drm/msm/msm_submitqueue.c
index 001fbf537440..a1d94be7883a 100644
--- a/drivers/gpu/drm/msm/msm_submitqueue.c
+++ b/drivers/gpu/drm/msm/msm_submitqueue.c
@@ -71,8 +71,10 @@ int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx,
queue->flags = flags;
if (priv->gpu) {
- if (prio >= priv->gpu->nr_rings)
+ if (prio >= priv->gpu->nr_rings) {
+ kfree(queue);
return -EINVAL;
+ }
queue->prio = prio;
}
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index d472942102f5..519f99868e35 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -601,6 +601,9 @@ nv50_audio_disable(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc)
(0x0100 << nv_crtc->index),
};
+ if (!nv_encoder->audio)
+ return;
+
nv_encoder->audio = false;
nvif_mthd(&disp->disp->object, 0, &args, sizeof(args));
diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c
index e5c230d9ae24..cc9993837508 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dmem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c
@@ -550,7 +550,7 @@ static unsigned long nouveau_dmem_migrate_copy_one(struct nouveau_drm *drm,
DMA_BIDIRECTIONAL);
if (dma_mapping_error(dev, *dma_addr))
goto out_free_page;
- if (drm->dmem->migrate.copy_func(drm, page_size(spage),
+ if (drm->dmem->migrate.copy_func(drm, 1,
NOUVEAU_APER_VRAM, paddr, NOUVEAU_APER_HOST, *dma_addr))
goto out_dma_unmap;
} else {
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index ba9f9359c30e..6586d9d39874 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -562,6 +562,7 @@ static int nouveau_range_fault(struct nouveau_svmm *svmm,
.end = notifier->notifier.interval_tree.last + 1,
.pfn_flags_mask = HMM_PFN_REQ_FAULT | HMM_PFN_REQ_WRITE,
.hmm_pfns = hmm_pfns,
+ .dev_private_owner = drm->dev,
};
struct mm_struct *mm = notifier->notifier.mm;
int ret;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
index c8ab1b5741a3..db7769cb33eb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
@@ -118,10 +118,10 @@ g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
if (retries)
udelay(400);
- /* transaction request, wait up to 1ms for it to complete */
+ /* transaction request, wait up to 2ms for it to complete */
nvkm_wr32(device, 0x00e4e4 + base, 0x00010000 | ctrl);
- timeout = 1000;
+ timeout = 2000;
do {
ctrl = nvkm_rd32(device, 0x00e4e4 + base);
udelay(1);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
index 7ef60895f43a..edb6148cbca0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
@@ -118,10 +118,10 @@ gm200_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
if (retries)
udelay(400);
- /* transaction request, wait up to 1ms for it to complete */
+ /* transaction request, wait up to 2ms for it to complete */
nvkm_wr32(device, 0x00d954 + base, 0x00010000 | ctrl);
- timeout = 1000;
+ timeout = 2000;
do {
ctrl = nvkm_rd32(device, 0x00d954 + base);
udelay(1);
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 134aa2b01f90..f434efdeca44 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -5563,6 +5563,7 @@ static int ci_parse_power_table(struct radeon_device *rdev)
if (!rdev->pm.dpm.ps)
return -ENOMEM;
power_state_offset = (u8 *)state_array->states;
+ rdev->pm.dpm.num_ps = 0;
for (i = 0; i < state_array->ucNumEntries; i++) {
u8 *idx;
power_state = (union pplib_power_state *)power_state_offset;
@@ -5572,10 +5573,8 @@ static int ci_parse_power_table(struct radeon_device *rdev)
if (!rdev->pm.power_state[i].clock_info)
return -EINVAL;
ps = kzalloc(sizeof(struct ci_ps), GFP_KERNEL);
- if (ps == NULL) {
- kfree(rdev->pm.dpm.ps);
+ if (ps == NULL)
return -ENOMEM;
- }
rdev->pm.dpm.ps[i].ps_priv = ps;
ci_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
non_clock_info,
@@ -5597,8 +5596,8 @@ static int ci_parse_power_table(struct radeon_device *rdev)
k++;
}
power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
+ rdev->pm.dpm.num_ps = i + 1;
}
- rdev->pm.dpm.num_ps = state_array->ucNumEntries;
/* fill in the vce power states */
for (i = 0; i < RADEON_MAX_VCE_LEVELS; i++) {
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index ce07ddc3e058..557cbe5ab35f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -259,9 +259,8 @@ sun4i_hdmi_connector_detect(struct drm_connector *connector, bool force)
struct sun4i_hdmi *hdmi = drm_connector_to_sun4i_hdmi(connector);
unsigned long reg;
- if (readl_poll_timeout(hdmi->base + SUN4I_HDMI_HPD_REG, reg,
- reg & SUN4I_HDMI_HPD_HIGH,
- 0, 500000)) {
+ reg = readl(hdmi->base + SUN4I_HDMI_HPD_REG);
+ if (reg & SUN4I_HDMI_HPD_HIGH) {
cec_phys_addr_invalidate(hdmi->cec_adap);
return connector_status_disconnected;
}
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 9147ee9d5f7d..d69f4efa3719 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1368,7 +1368,7 @@ static void hv_kmsg_dump(struct kmsg_dumper *dumper,
* Write dump contents to the page. No need to synchronize; panic should
* be single-threaded.
*/
- kmsg_dump_get_buffer(dumper, true, hv_panic_page, HV_HYP_PAGE_SIZE,
+ kmsg_dump_get_buffer(dumper, false, hv_panic_page, HV_HYP_PAGE_SIZE,
&bytes_written);
if (bytes_written)
hyperv_report_panic_msg(panic_pa, bytes_written);
diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
index 0db8ef4fd6e1..a270b975e90b 100644
--- a/drivers/hwmon/acpi_power_meter.c
+++ b/drivers/hwmon/acpi_power_meter.c
@@ -883,7 +883,7 @@ static int acpi_power_meter_add(struct acpi_device *device)
res = setup_attrs(resource);
if (res)
- goto exit_free;
+ goto exit_free_capability;
resource->hwmon_dev = hwmon_device_register(&device->dev);
if (IS_ERR(resource->hwmon_dev)) {
@@ -896,6 +896,8 @@ static int acpi_power_meter_add(struct acpi_device *device)
exit_remove:
remove_attrs(resource);
+exit_free_capability:
+ free_capabilities(resource);
exit_free:
kfree(resource);
exit:
diff --git a/drivers/hwmon/bt1-pvt.c b/drivers/hwmon/bt1-pvt.c
index 1a9772fb1f73..94698cae0497 100644
--- a/drivers/hwmon/bt1-pvt.c
+++ b/drivers/hwmon/bt1-pvt.c
@@ -64,7 +64,7 @@ static const struct pvt_sensor_info pvt_info[] = {
* 48380,
* where T = [-48380, 147438] mC and N = [0, 1023].
*/
-static const struct pvt_poly poly_temp_to_N = {
+static const struct pvt_poly __maybe_unused poly_temp_to_N = {
.total_divider = 10000,
.terms = {
{4, 18322, 10000, 10000},
@@ -96,7 +96,7 @@ static const struct pvt_poly poly_N_to_temp = {
* N = (18658e-3*V - 11572) / 10,
* V = N * 10^5 / 18658 + 11572 * 10^4 / 18658.
*/
-static const struct pvt_poly poly_volt_to_N = {
+static const struct pvt_poly __maybe_unused poly_volt_to_N = {
.total_divider = 10,
.terms = {
{1, 18658, 1000, 1},
@@ -300,12 +300,12 @@ static irqreturn_t pvt_soft_isr(int irq, void *data)
return IRQ_HANDLED;
}
-inline umode_t pvt_limit_is_visible(enum pvt_sensor_type type)
+static inline umode_t pvt_limit_is_visible(enum pvt_sensor_type type)
{
return 0644;
}
-inline umode_t pvt_alarm_is_visible(enum pvt_sensor_type type)
+static inline umode_t pvt_alarm_is_visible(enum pvt_sensor_type type)
{
return 0444;
}
@@ -462,12 +462,12 @@ static irqreturn_t pvt_hard_isr(int irq, void *data)
#define pvt_soft_isr NULL
-inline umode_t pvt_limit_is_visible(enum pvt_sensor_type type)
+static inline umode_t pvt_limit_is_visible(enum pvt_sensor_type type)
{
return 0;
}
-inline umode_t pvt_alarm_is_visible(enum pvt_sensor_type type)
+static inline umode_t pvt_alarm_is_visible(enum pvt_sensor_type type)
{
return 0;
}
diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c
index 743752a2467a..64122eb38060 100644
--- a/drivers/hwmon/max6697.c
+++ b/drivers/hwmon/max6697.c
@@ -38,8 +38,9 @@ static const u8 MAX6697_REG_CRIT[] = {
* Map device tree / platform data register bit map to chip bit map.
* Applies to alert register and over-temperature register.
*/
-#define MAX6697_MAP_BITS(reg) ((((reg) & 0x7e) >> 1) | \
+#define MAX6697_ALERT_MAP_BITS(reg) ((((reg) & 0x7e) >> 1) | \
(((reg) & 0x01) << 6) | ((reg) & 0x80))
+#define MAX6697_OVERT_MAP_BITS(reg) (((reg) >> 1) | (((reg) & 0x01) << 7))
#define MAX6697_REG_STAT(n) (0x44 + (n))
@@ -562,12 +563,12 @@ static int max6697_init_chip(struct max6697_data *data,
return ret;
ret = i2c_smbus_write_byte_data(client, MAX6697_REG_ALERT_MASK,
- MAX6697_MAP_BITS(pdata->alert_mask));
+ MAX6697_ALERT_MAP_BITS(pdata->alert_mask));
if (ret < 0)
return ret;
ret = i2c_smbus_write_byte_data(client, MAX6697_REG_OVERT_MASK,
- MAX6697_MAP_BITS(pdata->over_temperature_mask));
+ MAX6697_OVERT_MAP_BITS(pdata->over_temperature_mask));
if (ret < 0)
return ret;
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index a337195b1c39..ea516cec1d35 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -71,7 +71,7 @@ config SENSORS_IR35221
Infineon IR35221 controller.
This driver can also be built as a module. If so, the module will
- be called ir35521.
+ be called ir35221.
config SENSORS_IR38064
tristate "Infineon IR38064"
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index a420877ba533..2191575a448b 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -1869,7 +1869,7 @@ static int pmbus_add_fan_ctrl(struct i2c_client *client,
struct pmbus_sensor *sensor;
sensor = pmbus_add_sensor(data, "fan", "target", index, page,
- PMBUS_VIRT_FAN_TARGET_1 + id, 0xff, PSC_FAN,
+ 0xff, PMBUS_VIRT_FAN_TARGET_1 + id, PSC_FAN,
false, false, true);
if (!sensor)
@@ -1880,14 +1880,14 @@ static int pmbus_add_fan_ctrl(struct i2c_client *client,
return 0;
sensor = pmbus_add_sensor(data, "pwm", NULL, index, page,
- PMBUS_VIRT_PWM_1 + id, 0xff, PSC_PWM,
+ 0xff, PMBUS_VIRT_PWM_1 + id, PSC_PWM,
false, false, true);
if (!sensor)
return -ENOMEM;
sensor = pmbus_add_sensor(data, "pwm", "enable", index, page,
- PMBUS_VIRT_PWM_ENABLE_1 + id, 0xff, PSC_PWM,
+ 0xff, PMBUS_VIRT_PWM_ENABLE_1 + id, PSC_PWM,
true, false, false);
if (!sensor)
@@ -1929,7 +1929,7 @@ static int pmbus_add_fan_attributes(struct i2c_client *client,
continue;
if (pmbus_add_sensor(data, "fan", "input", index,
- page, pmbus_fan_registers[f], 0xff,
+ page, 0xff, pmbus_fan_registers[f],
PSC_FAN, true, true, true) == NULL)
return -ENOMEM;
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index ef39c83aaf33..bae1dc08ec9a 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -113,11 +113,18 @@ config I2C_STUB
config I2C_SLAVE
bool "I2C slave support"
+ help
+ This enables Linux to act as an I2C slave device. Note that your I2C
+ bus master driver also needs to support this functionality. Please
+ read Documentation/i2c/slave-interface.rst for further details.
if I2C_SLAVE
config I2C_SLAVE_EEPROM
tristate "I2C eeprom slave driver"
+ help
+ This backend makes Linux behave like an I2C EEPROM. Please read
+ Documentation/i2c/slave-eeprom-backend.rst for further details.
endif
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 7f10312d1b88..388978775be0 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -314,7 +314,8 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
DEB2("BUS ERROR - SDA Stuck low\n");
pca_reset(adap);
goto out;
- case 0x90: /* Bus error - SCL stuck low */
+ case 0x78: /* Bus error - SCL stuck low (PCA9665) */
+ case 0x90: /* Bus error - SCL stuck low (PCA9564) */
DEB2("BUS ERROR - SCL Stuck low\n");
pca_reset(adap);
goto out;
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index c2efaaaac252..a71bc58fc03c 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -12,6 +12,7 @@
#include <linux/clk-provider.h>
#include <linux/clk.h>
#include <linux/delay.h>
+#include <linux/dmi.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/i2c.h>
@@ -191,6 +192,17 @@ static int dw_i2c_plat_request_regs(struct dw_i2c_dev *dev)
return ret;
}
+static const struct dmi_system_id dw_i2c_hwmon_class_dmi[] = {
+ {
+ .ident = "Qtechnology QT5222",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Qtechnology"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "QT5222"),
+ },
+ },
+ { } /* terminate list */
+};
+
static int dw_i2c_plat_probe(struct platform_device *pdev)
{
struct dw_i2c_platform_data *pdata = dev_get_platdata(&pdev->dev);
@@ -267,7 +279,8 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
adap = &dev->adapter;
adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_DEPRECATED;
+ adap->class = dmi_check_system(dw_i2c_hwmon_class_dmi) ?
+ I2C_CLASS_HWMON : I2C_CLASS_DEPRECATED;
ACPI_COMPANION_SET(&adap->dev, ACPI_COMPANION(&pdev->dev));
adap->dev.of_node = pdev->dev.of_node;
adap->nr = -1;
diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index bb810dee8fb5..73f139690e4e 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -180,6 +180,7 @@ static const struct pci_device_id pch_pcidev_id[] = {
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7831_I2C), 1, },
{0,}
};
+MODULE_DEVICE_TABLE(pci, pch_pcidev_id);
static irqreturn_t pch_i2c_handler(int irq, void *pData);
diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c
index 2fd717d8dd30..71d7bae2cbca 100644
--- a/drivers/i2c/busses/i2c-mlxcpld.c
+++ b/drivers/i2c/busses/i2c-mlxcpld.c
@@ -337,9 +337,9 @@ static int mlxcpld_i2c_wait_for_tc(struct mlxcpld_i2c_priv *priv)
if (priv->smbus_block && (val & MLXCPLD_I2C_SMBUS_BLK_BIT)) {
mlxcpld_i2c_read_comm(priv, MLXCPLD_LPCI2C_NUM_DAT_REG,
&datalen, 1);
- if (unlikely(datalen > (I2C_SMBUS_BLOCK_MAX + 1))) {
+ if (unlikely(datalen > I2C_SMBUS_BLOCK_MAX)) {
dev_err(priv->dev, "Incorrect smbus block read message len\n");
- return -E2BIG;
+ return -EPROTO;
}
} else {
datalen = priv->xfer.data_len;
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index a2ed09a3c714..8c930bf1df89 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -829,13 +829,20 @@ static int ib_nl_get_path_rec_attrs_len(ib_sa_comp_mask comp_mask)
return len;
}
-static int ib_nl_send_msg(struct ib_sa_query *query, gfp_t gfp_mask)
+static int ib_nl_make_request(struct ib_sa_query *query, gfp_t gfp_mask)
{
struct sk_buff *skb = NULL;
struct nlmsghdr *nlh;
void *data;
struct ib_sa_mad *mad;
int len;
+ unsigned long flags;
+ unsigned long delay;
+ gfp_t gfp_flag;
+ int ret;
+
+ INIT_LIST_HEAD(&query->list);
+ query->seq = (u32)atomic_inc_return(&ib_nl_sa_request_seq);
mad = query->mad_buf->mad;
len = ib_nl_get_path_rec_attrs_len(mad->sa_hdr.comp_mask);
@@ -860,36 +867,25 @@ static int ib_nl_send_msg(struct ib_sa_query *query, gfp_t gfp_mask)
/* Repair the nlmsg header length */
nlmsg_end(skb, nlh);
- return rdma_nl_multicast(&init_net, skb, RDMA_NL_GROUP_LS, gfp_mask);
-}
+ gfp_flag = ((gfp_mask & GFP_ATOMIC) == GFP_ATOMIC) ? GFP_ATOMIC :
+ GFP_NOWAIT;
-static int ib_nl_make_request(struct ib_sa_query *query, gfp_t gfp_mask)
-{
- unsigned long flags;
- unsigned long delay;
- int ret;
+ spin_lock_irqsave(&ib_nl_request_lock, flags);
+ ret = rdma_nl_multicast(&init_net, skb, RDMA_NL_GROUP_LS, gfp_flag);
- INIT_LIST_HEAD(&query->list);
- query->seq = (u32)atomic_inc_return(&ib_nl_sa_request_seq);
+ if (ret)
+ goto out;
- /* Put the request on the list first.*/
- spin_lock_irqsave(&ib_nl_request_lock, flags);
+ /* Put the request on the list.*/
delay = msecs_to_jiffies(sa_local_svc_timeout_ms);
query->timeout = delay + jiffies;
list_add_tail(&query->list, &ib_nl_request_list);
/* Start the timeout if this is the only request */
if (ib_nl_request_list.next == &query->list)
queue_delayed_work(ib_nl_wq, &ib_nl_timed_work, delay);
- spin_unlock_irqrestore(&ib_nl_request_lock, flags);
- ret = ib_nl_send_msg(query, gfp_mask);
- if (ret) {
- ret = -EIO;
- /* Remove the request */
- spin_lock_irqsave(&ib_nl_request_lock, flags);
- list_del(&query->list);
- spin_unlock_irqrestore(&ib_nl_request_lock, flags);
- }
+out:
+ spin_unlock_irqrestore(&ib_nl_request_lock, flags);
return ret;
}
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index 5eed4360695f..cb7ad1288821 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -831,6 +831,29 @@ wq_error:
}
/**
+ * destroy_workqueues - destroy per port workqueues
+ * @dd: the hfi1_ib device
+ */
+static void destroy_workqueues(struct hfi1_devdata *dd)
+{
+ int pidx;
+ struct hfi1_pportdata *ppd;
+
+ for (pidx = 0; pidx < dd->num_pports; ++pidx) {
+ ppd = dd->pport + pidx;
+
+ if (ppd->hfi1_wq) {
+ destroy_workqueue(ppd->hfi1_wq);
+ ppd->hfi1_wq = NULL;
+ }
+ if (ppd->link_wq) {
+ destroy_workqueue(ppd->link_wq);
+ ppd->link_wq = NULL;
+ }
+ }
+}
+
+/**
* enable_general_intr() - Enable the IRQs that will be handled by the
* general interrupt handler.
* @dd: valid devdata
@@ -1103,15 +1126,10 @@ static void shutdown_device(struct hfi1_devdata *dd)
* We can't count on interrupts since we are stopping.
*/
hfi1_quiet_serdes(ppd);
-
- if (ppd->hfi1_wq) {
- destroy_workqueue(ppd->hfi1_wq);
- ppd->hfi1_wq = NULL;
- }
- if (ppd->link_wq) {
- destroy_workqueue(ppd->link_wq);
- ppd->link_wq = NULL;
- }
+ if (ppd->hfi1_wq)
+ flush_workqueue(ppd->hfi1_wq);
+ if (ppd->link_wq)
+ flush_workqueue(ppd->link_wq);
}
sdma_exit(dd);
}
@@ -1756,6 +1774,7 @@ static void remove_one(struct pci_dev *pdev)
* clear dma engines, etc.
*/
shutdown_device(dd);
+ destroy_workqueues(dd);
stop_timers(dd);
diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c
index 0c2ae9f7b3e8..be62284e42d9 100644
--- a/drivers/infiniband/hw/hfi1/qp.c
+++ b/drivers/infiniband/hw/hfi1/qp.c
@@ -195,7 +195,7 @@ static inline int verbs_mtu_enum_to_int(struct ib_device *dev, enum ib_mtu mtu)
{
/* Constraining 10KB packets to 8KB packets */
if (mtu == (enum ib_mtu)OPA_MTU_10240)
- mtu = OPA_MTU_8192;
+ mtu = (enum ib_mtu)OPA_MTU_8192;
return opa_mtu_enum_to_int((enum opa_mtu)mtu);
}
@@ -367,7 +367,10 @@ bool _hfi1_schedule_send(struct rvt_qp *qp)
struct hfi1_ibport *ibp =
to_iport(qp->ibqp.device, qp->port_num);
struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
- struct hfi1_devdata *dd = dd_from_ibdev(qp->ibqp.device);
+ struct hfi1_devdata *dd = ppd->dd;
+
+ if (dd->flags & HFI1_SHUTDOWN)
+ return true;
return iowait_schedule(&priv->s_iowait, ppd->hfi1_wq,
priv->s_sde ?
diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c
index 243b4ba0b6f6..facff133139a 100644
--- a/drivers/infiniband/hw/hfi1/tid_rdma.c
+++ b/drivers/infiniband/hw/hfi1/tid_rdma.c
@@ -5406,7 +5406,10 @@ static bool _hfi1_schedule_tid_send(struct rvt_qp *qp)
struct hfi1_ibport *ibp =
to_iport(qp->ibqp.device, qp->port_num);
struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
- struct hfi1_devdata *dd = dd_from_ibdev(qp->ibqp.device);
+ struct hfi1_devdata *dd = ppd->dd;
+
+ if ((dd->flags & HFI1_SHUTDOWN))
+ return true;
return iowait_tid_schedule(&priv->s_iowait, ppd->hfi1_wq,
priv->s_sde ?
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 343a8b8361e7..6f99ed03d88e 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -511,7 +511,7 @@ static int mlx5_query_port_roce(struct ib_device *device, u8 port_num,
mdev_port_num);
if (err)
goto out;
- ext = MLX5_CAP_PCAM_FEATURE(dev->mdev, ptys_extended_ethernet);
+ ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability);
eth_prot_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, eth_proto_oper);
props->active_width = IB_WIDTH_4X;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index f939c9b769f0..e050eade97a1 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -2668,6 +2668,10 @@ static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl)
return (create_flags) ? -EINVAL : 0;
+ process_create_flag(dev, &create_flags, IB_QP_CREATE_NETIF_QP,
+ mlx5_get_flow_namespace(dev->mdev,
+ MLX5_FLOW_NAMESPACE_BYPASS),
+ qp);
process_create_flag(dev, &create_flags,
IB_QP_CREATE_INTEGRITY_EN,
MLX5_CAP_GEN(mdev, sho), qp);
@@ -3001,11 +3005,12 @@ destroy_qp:
mlx5_ib_destroy_dct(qp);
} else {
/*
- * The two lines below are temp solution till QP allocation
+ * These lines below are temp solution till QP allocation
* will be moved to be under IB/core responsiblity.
*/
qp->ibqp.send_cq = attr->send_cq;
qp->ibqp.recv_cq = attr->recv_cq;
+ qp->ibqp.pd = pd;
destroy_qp_common(dev, qp, udata);
}
diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index a0b8cc643c5c..ed60c9e4643e 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -67,12 +67,13 @@ static int siw_device_register(struct siw_device *sdev, const char *name)
static int dev_id = 1;
int rv;
+ sdev->vendor_part_id = dev_id++;
+
rv = ib_register_device(base_dev, name);
if (rv) {
pr_warn("siw: device registration error %d\n", rv);
return rv;
}
- sdev->vendor_part_id = dev_id++;
siw_dbg(base_dev, "HWaddr=%pM\n", sdev->netdev->dev_addr);
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 29fead208cad..216b3b8392b5 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -563,7 +563,7 @@ config LOONGSON_PCH_PIC
Support for the Loongson PCH PIC Controller.
config LOONGSON_PCH_MSI
- bool "Loongson PCH PIC Controller"
+ bool "Loongson PCH MSI Controller"
depends on MACH_LOONGSON64 || COMPILE_TEST
depends on PCI
default MACH_LOONGSON64
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index cd685f521c77..beac4caefad9 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3797,10 +3797,10 @@ static void its_wait_vpt_parse_complete(void)
if (!gic_rdists->has_vpend_valid_dirty)
return;
- WARN_ON_ONCE(readq_relaxed_poll_timeout(vlpi_base + GICR_VPENDBASER,
- val,
- !(val & GICR_VPENDBASER_Dirty),
- 10, 500));
+ WARN_ON_ONCE(readq_relaxed_poll_timeout_atomic(vlpi_base + GICR_VPENDBASER,
+ val,
+ !(val & GICR_VPENDBASER_Dirty),
+ 10, 500));
}
static void its_vpe_schedule(struct its_vpe *vpe)
@@ -4054,16 +4054,24 @@ static void its_vpe_4_1_deschedule(struct its_vpe *vpe,
u64 val;
if (info->req_db) {
+ unsigned long flags;
+
/*
* vPE is going to block: make the vPE non-resident with
* PendingLast clear and DB set. The GIC guarantees that if
* we read-back PendingLast clear, then a doorbell will be
* delivered when an interrupt comes.
+ *
+ * Note the locking to deal with the concurrent update of
+ * pending_last from the doorbell interrupt handler that can
+ * run concurrently.
*/
+ raw_spin_lock_irqsave(&vpe->vpe_lock, flags);
val = its_clear_vpend_valid(vlpi_base,
GICR_VPENDBASER_PendingLast,
GICR_VPENDBASER_4_1_DB);
vpe->pending_last = !!(val & GICR_VPENDBASER_PendingLast);
+ raw_spin_unlock_irqrestore(&vpe->vpe_lock, flags);
} else {
/*
* We're not blocking, so just make the vPE non-resident
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 00de05abd3c3..c17fabd6741e 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -329,10 +329,8 @@ static int gic_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu)
static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
bool force)
{
- void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
- unsigned int cpu, shift = (gic_irq(d) % 4) * 8;
- u32 val, mask, bit;
- unsigned long flags;
+ void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + gic_irq(d);
+ unsigned int cpu;
if (!force)
cpu = cpumask_any_and(mask_val, cpu_online_mask);
@@ -342,13 +340,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids)
return -EINVAL;
- gic_lock_irqsave(flags);
- mask = 0xff << shift;
- bit = gic_cpu_map[cpu] << shift;
- val = readl_relaxed(reg) & ~mask;
- writel_relaxed(val | bit, reg);
- gic_unlock_irqrestore(flags);
-
+ writeb_relaxed(gic_cpu_map[cpu], reg);
irq_data_update_effective_affinity(d, cpumask_of(cpu));
return IRQ_SET_MASK_OK_DONE;
diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c
index a6f97fa6ff69..8017f6d32d52 100644
--- a/drivers/irqchip/irq-riscv-intc.c
+++ b/drivers/irqchip/irq-riscv-intc.c
@@ -99,7 +99,7 @@ static int __init riscv_intc_init(struct device_node *node,
hartid = riscv_of_parent_hartid(node);
if (hartid < 0) {
- pr_warn("unable to fine hart id for %pOF\n", node);
+ pr_warn("unable to find hart id for %pOF\n", node);
return 0;
}
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index f60c02512121..85e0daabad49 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -146,10 +146,6 @@ static void rq_end_stats(struct mapped_device *md, struct request *orig)
*/
static void rq_completed(struct mapped_device *md)
{
- /* nudge anyone waiting on suspend queue */
- if (unlikely(wq_has_sleeper(&md->wait)))
- wake_up(&md->wait);
-
/*
* dm_put() must be at the end of this function. See the comment above
*/
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 30505d70f423..5358894bb9fd 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -2266,6 +2266,12 @@ invalid_optional:
}
if (WC_MODE_PMEM(wc)) {
+ if (!dax_synchronous(wc->ssd_dev->dax_dev)) {
+ r = -EOPNOTSUPP;
+ ti->error = "Asynchronous persistent memory not supported as pmem cache";
+ goto bad;
+ }
+
r = persistent_memory_claim(wc);
if (r) {
ti->error = "Unable to map persistent memory for cache";
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 5cf6f5f552e0..b298fefb022e 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -2217,8 +2217,15 @@ struct dm_zone *dmz_alloc_zone(struct dmz_metadata *zmd, unsigned int dev_idx,
{
struct list_head *list;
struct dm_zone *zone;
- int i = 0;
+ int i;
+
+ /* Schedule reclaim to ensure free zones are available */
+ if (!(flags & DMZ_ALLOC_RECLAIM)) {
+ for (i = 0; i < zmd->nr_devs; i++)
+ dmz_schedule_reclaim(zmd->dev[i].reclaim);
+ }
+ i = 0;
again:
if (flags & DMZ_ALLOC_CACHE)
list = &zmd->unmap_cache_list;
diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c
index dd1eebf6e50f..9c0ecc9568a4 100644
--- a/drivers/md/dm-zoned-reclaim.c
+++ b/drivers/md/dm-zoned-reclaim.c
@@ -456,6 +456,8 @@ static unsigned int dmz_reclaim_percentage(struct dmz_reclaim *zrc)
nr_zones = dmz_nr_rnd_zones(zmd, zrc->dev_idx);
nr_unmap = dmz_nr_unmap_rnd_zones(zmd, zrc->dev_idx);
}
+ if (nr_unmap <= 1)
+ return 0;
return nr_unmap * 100 / nr_zones;
}
@@ -501,7 +503,7 @@ static void dmz_reclaim_work(struct work_struct *work)
{
struct dmz_reclaim *zrc = container_of(work, struct dmz_reclaim, work.work);
struct dmz_metadata *zmd = zrc->metadata;
- unsigned int p_unmap, nr_unmap_rnd = 0, nr_rnd = 0;
+ unsigned int p_unmap;
int ret;
if (dmz_dev_is_dying(zmd))
@@ -527,9 +529,6 @@ static void dmz_reclaim_work(struct work_struct *work)
zrc->kc_throttle.throttle = min(75U, 100U - p_unmap / 2);
}
- nr_unmap_rnd = dmz_nr_unmap_rnd_zones(zmd, zrc->dev_idx);
- nr_rnd = dmz_nr_rnd_zones(zmd, zrc->dev_idx);
-
DMDEBUG("(%s/%u): Reclaim (%u): %s, %u%% free zones (%u/%u cache %u/%u random)",
dmz_metadata_label(zmd), zrc->dev_idx,
zrc->kc_throttle.throttle,
diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index cf915009c306..42aa5139df7c 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -400,15 +400,7 @@ static void dmz_handle_bio(struct dmz_target *dmz, struct dm_chunk_work *cw,
dm_per_bio_data(bio, sizeof(struct dmz_bioctx));
struct dmz_metadata *zmd = dmz->metadata;
struct dm_zone *zone;
- int i, ret;
-
- /*
- * Write may trigger a zone allocation. So make sure the
- * allocation can succeed.
- */
- if (bio_op(bio) == REQ_OP_WRITE)
- for (i = 0; i < dmz->nr_ddevs; i++)
- dmz_schedule_reclaim(dmz->dev[i].reclaim);
+ int ret;
dmz_lock_metadata(zmd);
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index e6807792fec8..52449afd58eb 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mutex.h>
+#include <linux/sched/mm.h>
#include <linux/sched/signal.h>
#include <linux/blkpg.h>
#include <linux/bio.h>
@@ -654,28 +655,6 @@ static void free_tio(struct dm_target_io *tio)
bio_put(&tio->clone);
}
-static bool md_in_flight_bios(struct mapped_device *md)
-{
- int cpu;
- struct hd_struct *part = &dm_disk(md)->part0;
- long sum = 0;
-
- for_each_possible_cpu(cpu) {
- sum += part_stat_local_read_cpu(part, in_flight[0], cpu);
- sum += part_stat_local_read_cpu(part, in_flight[1], cpu);
- }
-
- return sum != 0;
-}
-
-static bool md_in_flight(struct mapped_device *md)
-{
- if (queue_is_mq(md->queue))
- return blk_mq_queue_inflight(md->queue);
- else
- return md_in_flight_bios(md);
-}
-
u64 dm_start_time_ns_from_clone(struct bio *bio)
{
struct dm_target_io *tio = container_of(bio, struct dm_target_io, clone);
@@ -1465,9 +1444,6 @@ static int __send_empty_flush(struct clone_info *ci)
BUG_ON(bio_has_data(ci->bio));
while ((ti = dm_table_get_target(ci->map, target_nr++)))
__send_duplicate_bios(ci, ti, ti->num_flush_bios, NULL);
-
- bio_disassociate_blkg(ci->bio);
-
return 0;
}
@@ -1655,6 +1631,7 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md,
ci.bio = &flush_bio;
ci.sector_count = 0;
error = __send_empty_flush(&ci);
+ bio_uninit(ci.bio);
/* dec_pending submits any data associated with flush */
} else if (op_is_zone_mgmt(bio_op(bio))) {
ci.bio = bio;
@@ -1729,6 +1706,7 @@ static blk_qc_t __process_bio(struct mapped_device *md, struct dm_table *map,
ci.bio = &flush_bio;
ci.sector_count = 0;
error = __send_empty_flush(&ci);
+ bio_uninit(ci.bio);
/* dec_pending submits any data associated with flush */
} else {
struct dm_target_io *tio;
@@ -2470,15 +2448,29 @@ void dm_put(struct mapped_device *md)
}
EXPORT_SYMBOL_GPL(dm_put);
-static int dm_wait_for_completion(struct mapped_device *md, long task_state)
+static bool md_in_flight_bios(struct mapped_device *md)
+{
+ int cpu;
+ struct hd_struct *part = &dm_disk(md)->part0;
+ long sum = 0;
+
+ for_each_possible_cpu(cpu) {
+ sum += part_stat_local_read_cpu(part, in_flight[0], cpu);
+ sum += part_stat_local_read_cpu(part, in_flight[1], cpu);
+ }
+
+ return sum != 0;
+}
+
+static int dm_wait_for_bios_completion(struct mapped_device *md, long task_state)
{
int r = 0;
DEFINE_WAIT(wait);
- while (1) {
+ while (true) {
prepare_to_wait(&md->wait, &wait, task_state);
- if (!md_in_flight(md))
+ if (!md_in_flight_bios(md))
break;
if (signal_pending_state(task_state, current)) {
@@ -2493,6 +2485,28 @@ static int dm_wait_for_completion(struct mapped_device *md, long task_state)
return r;
}
+static int dm_wait_for_completion(struct mapped_device *md, long task_state)
+{
+ int r = 0;
+
+ if (!queue_is_mq(md->queue))
+ return dm_wait_for_bios_completion(md, task_state);
+
+ while (true) {
+ if (!blk_mq_queue_inflight(md->queue))
+ break;
+
+ if (signal_pending_state(task_state, current)) {
+ r = -EINTR;
+ break;
+ }
+
+ msleep(5);
+ }
+
+ return r;
+}
+
/*
* Process the deferred bios
*/
@@ -2926,17 +2940,25 @@ EXPORT_SYMBOL_GPL(dm_internal_resume_fast);
int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
unsigned cookie)
{
+ int r;
+ unsigned noio_flag;
char udev_cookie[DM_COOKIE_LENGTH];
char *envp[] = { udev_cookie, NULL };
+ noio_flag = memalloc_noio_save();
+
if (!cookie)
- return kobject_uevent(&disk_to_dev(md->disk)->kobj, action);
+ r = kobject_uevent(&disk_to_dev(md->disk)->kobj, action);
else {
snprintf(udev_cookie, DM_COOKIE_LENGTH, "%s=%u",
DM_COOKIE_ENV_VAR_NAME, cookie);
- return kobject_uevent_env(&disk_to_dev(md->disk)->kobj,
- action, envp);
+ r = kobject_uevent_env(&disk_to_dev(md->disk)->kobj,
+ action, envp);
}
+
+ memalloc_noio_restore(noio_flag);
+
+ return r;
}
uint32_t dm_next_uevent_seq(struct mapped_device *md)
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 68aea22f2b89..5216487db4fb 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1324,13 +1324,13 @@ mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
return 0; /* fw doesn't need any host buffers */
/* spin till we get enough memory */
- while(host_page_buffer_sz > 0) {
-
- if((ioc->HostPageBuffer = pci_alloc_consistent(
- ioc->pcidev,
- host_page_buffer_sz,
- &ioc->HostPageBuffer_dma)) != NULL) {
-
+ while (host_page_buffer_sz > 0) {
+ ioc->HostPageBuffer =
+ dma_alloc_coherent(&ioc->pcidev->dev,
+ host_page_buffer_sz,
+ &ioc->HostPageBuffer_dma,
+ GFP_KERNEL);
+ if (ioc->HostPageBuffer) {
dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
ioc->name, ioc->HostPageBuffer,
@@ -2741,8 +2741,8 @@ mpt_adapter_disable(MPT_ADAPTER *ioc)
sz = ioc->alloc_sz;
dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free @ %p, sz=%d bytes\n",
ioc->name, ioc->alloc, ioc->alloc_sz));
- pci_free_consistent(ioc->pcidev, sz,
- ioc->alloc, ioc->alloc_dma);
+ dma_free_coherent(&ioc->pcidev->dev, sz, ioc->alloc,
+ ioc->alloc_dma);
ioc->reply_frames = NULL;
ioc->req_frames = NULL;
ioc->alloc = NULL;
@@ -2751,8 +2751,8 @@ mpt_adapter_disable(MPT_ADAPTER *ioc)
if (ioc->sense_buf_pool != NULL) {
sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
- pci_free_consistent(ioc->pcidev, sz,
- ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
+ dma_free_coherent(&ioc->pcidev->dev, sz, ioc->sense_buf_pool,
+ ioc->sense_buf_pool_dma);
ioc->sense_buf_pool = NULL;
ioc->alloc_total -= sz;
}
@@ -2802,7 +2802,7 @@ mpt_adapter_disable(MPT_ADAPTER *ioc)
"HostPageBuffer free @ %p, sz=%d bytes\n",
ioc->name, ioc->HostPageBuffer,
ioc->HostPageBuffer_sz));
- pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz,
+ dma_free_coherent(&ioc->pcidev->dev, ioc->HostPageBuffer_sz,
ioc->HostPageBuffer, ioc->HostPageBuffer_dma);
ioc->HostPageBuffer = NULL;
ioc->HostPageBuffer_sz = 0;
@@ -4497,7 +4497,8 @@ PrimeIocFifos(MPT_ADAPTER *ioc)
ioc->name, sz, sz, num_chain));
total_size += sz;
- mem = pci_alloc_consistent(ioc->pcidev, total_size, &alloc_dma);
+ mem = dma_alloc_coherent(&ioc->pcidev->dev, total_size,
+ &alloc_dma, GFP_KERNEL);
if (mem == NULL) {
printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n",
ioc->name);
@@ -4574,8 +4575,8 @@ PrimeIocFifos(MPT_ADAPTER *ioc)
spin_unlock_irqrestore(&ioc->FreeQlock, flags);
sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
- ioc->sense_buf_pool =
- pci_alloc_consistent(ioc->pcidev, sz, &ioc->sense_buf_pool_dma);
+ ioc->sense_buf_pool = dma_alloc_coherent(&ioc->pcidev->dev, sz,
+ &ioc->sense_buf_pool_dma, GFP_KERNEL);
if (ioc->sense_buf_pool == NULL) {
printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n",
ioc->name);
@@ -4613,18 +4614,16 @@ out_fail:
if (ioc->alloc != NULL) {
sz = ioc->alloc_sz;
- pci_free_consistent(ioc->pcidev,
- sz,
- ioc->alloc, ioc->alloc_dma);
+ dma_free_coherent(&ioc->pcidev->dev, sz, ioc->alloc,
+ ioc->alloc_dma);
ioc->reply_frames = NULL;
ioc->req_frames = NULL;
ioc->alloc_total -= sz;
}
if (ioc->sense_buf_pool != NULL) {
sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
- pci_free_consistent(ioc->pcidev,
- sz,
- ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
+ dma_free_coherent(&ioc->pcidev->dev, sz, ioc->sense_buf_pool,
+ ioc->sense_buf_pool_dma);
ioc->sense_buf_pool = NULL;
}
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 7eb38d7482c6..08a3b1c05acb 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1146,9 +1146,11 @@ static int meson_mmc_probe(struct platform_device *pdev)
mmc->caps |= MMC_CAP_CMD23;
if (host->dram_access_quirk) {
+ /* Limit segments to 1 due to low available sram memory */
+ mmc->max_segs = 1;
/* Limit to the available sram memory */
- mmc->max_segs = SD_EMMC_SRAM_DATA_BUF_LEN / mmc->max_blk_size;
- mmc->max_blk_count = mmc->max_segs;
+ mmc->max_blk_count = SD_EMMC_SRAM_DATA_BUF_LEN /
+ mmc->max_blk_size;
} else {
mmc->max_blk_count = CMD_CFG_LENGTH_MASK;
mmc->max_segs = SD_EMMC_DESC_BUF_LEN /
diff --git a/drivers/mmc/host/owl-mmc.c b/drivers/mmc/host/owl-mmc.c
index 5e20c099fe03..df43f42855e2 100644
--- a/drivers/mmc/host/owl-mmc.c
+++ b/drivers/mmc/host/owl-mmc.c
@@ -689,7 +689,7 @@ MODULE_DEVICE_TABLE(of, owl_mmc_of_match);
static struct platform_driver owl_mmc_driver = {
.driver = {
.name = "owl_mmc",
- .of_match_table = of_match_ptr(owl_mmc_of_match),
+ .of_match_table = owl_mmc_of_match,
},
.probe = owl_mmc_probe,
.remove = owl_mmc_remove,
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index b277dd7fbdb5..c0d58e9fcc33 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -618,8 +618,9 @@ static int msm_init_cm_dll(struct sdhci_host *host)
config &= ~CORE_CLK_PWRSAVE;
writel_relaxed(config, host->ioaddr + msm_offset->core_vendor_spec);
- config = msm_host->dll_config;
- writel_relaxed(config, host->ioaddr + msm_offset->core_dll_config);
+ if (msm_host->dll_config)
+ writel_relaxed(msm_host->dll_config,
+ host->ioaddr + msm_offset->core_dll_config);
if (msm_host->use_14lpp_dll_reset) {
config = readl_relaxed(host->ioaddr +
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 76d832a88e0c..7d930569a7df 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1273,8 +1273,8 @@ int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
return -EROFS;
if (!len)
return 0;
- if (!mtd->oops_panic_write)
- mtd->oops_panic_write = true;
+ if (!master->oops_panic_write)
+ master->oops_panic_write = true;
return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len,
retlen, buf);
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c
index 0a5cb77966cc..f5a53aac3c5f 100644
--- a/drivers/mtd/nand/raw/nandsim.c
+++ b/drivers/mtd/nand/raw/nandsim.c
@@ -1761,7 +1761,7 @@ static void ns_switch_state(struct nandsim *ns)
NS_DBG("switch_state: operation is unknown, try to find it\n");
- if (!ns_find_operation(ns, 0))
+ if (ns_find_operation(ns, 0))
return;
if ((ns->state & ACTION_MASK) &&
diff --git a/drivers/mtd/nand/raw/xway_nand.c b/drivers/mtd/nand/raw/xway_nand.c
index 94bfba994326..29255476afdb 100644
--- a/drivers/mtd/nand/raw/xway_nand.c
+++ b/drivers/mtd/nand/raw/xway_nand.c
@@ -224,7 +224,7 @@ static int xway_nand_remove(struct platform_device *pdev)
struct nand_chip *chip = &data->chip;
int ret;
- ret = mtd_device_unregister(mtd);
+ ret = mtd_device_unregister(nand_to_mtd(chip));
WARN_ON(ret);
nand_cleanup(chip);
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 47d65b77caf7..7c17b0f705ec 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -1268,6 +1268,9 @@ static int ksz8795_switch_init(struct ksz_device *dev)
return -ENOMEM;
}
+ /* set the real number of ports */
+ dev->ds->num_ports = dev->port_cnt;
+
return 0;
}
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index 9a51b8a4de5d..8d15c3016024 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -1588,6 +1588,9 @@ static int ksz9477_switch_init(struct ksz_device *dev)
return -ENOMEM;
}
+ /* set the real number of ports */
+ dev->ds->num_ports = dev->port_cnt;
+
return 0;
}
diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c
index 7d050fab0889..7951f52d860d 100644
--- a/drivers/net/dsa/microchip/ksz9477_i2c.c
+++ b/drivers/net/dsa/microchip/ksz9477_i2c.c
@@ -79,6 +79,7 @@ MODULE_DEVICE_TABLE(i2c, ksz9477_i2c_id);
static const struct of_device_id ksz9477_dt_ids[] = {
{ .compatible = "microchip,ksz9477" },
{ .compatible = "microchip,ksz9897" },
+ { .compatible = "microchip,ksz9893" },
{ .compatible = "microchip,ksz9567" },
{},
};
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
index 3c8e8047ea1e..d775b23025c1 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
@@ -1700,7 +1700,7 @@ void hw_atl_rpfl3l4_ipv6_src_addr_set(struct aq_hw_s *aq_hw, u8 location,
for (i = 0; i < 4; ++i)
aq_hw_write_reg(aq_hw,
HW_ATL_RPF_L3_SRCA_ADR(location + i),
- ipv6_src[i]);
+ ipv6_src[3 - i]);
}
void hw_atl_rpfl3l4_ipv6_dest_addr_set(struct aq_hw_s *aq_hw, u8 location,
@@ -1711,7 +1711,7 @@ void hw_atl_rpfl3l4_ipv6_dest_addr_set(struct aq_hw_s *aq_hw, u8 location,
for (i = 0; i < 4; ++i)
aq_hw_write_reg(aq_hw,
HW_ATL_RPF_L3_DSTA_ADR(location + i),
- ipv6_dest[i]);
+ ipv6_dest[3 - i]);
}
u32 hw_atl_sem_ram_get(struct aq_hw_s *self)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
index 06220792daf1..7430ff025134 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
@@ -1360,7 +1360,7 @@
*/
/* Register address for bitfield pif_rpf_l3_da0_i[31:0] */
-#define HW_ATL_RPF_L3_DSTA_ADR(filter) (0x000053B0 + (filter) * 0x4)
+#define HW_ATL_RPF_L3_DSTA_ADR(filter) (0x000053D0 + (filter) * 0x4)
/* Bitmask for bitfield l3_da0[1F:0] */
#define HW_ATL_RPF_L3_DSTA_MSK 0xFFFFFFFFu
/* Inverted bitmask for bitfield l3_da0[1F:0] */
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
index 3a9a51f7063a..392e32c7122a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
@@ -396,6 +396,7 @@ static void bnxt_free_vf_resources(struct bnxt *bp)
}
}
+ bp->pf.active_vfs = 0;
kfree(bp->pf.vf);
bp->pf.vf = NULL;
}
@@ -835,7 +836,6 @@ void bnxt_sriov_disable(struct bnxt *bp)
bnxt_free_vf_resources(bp);
- bp->pf.active_vfs = 0;
/* Reclaim all resources for the PF. */
rtnl_lock();
bnxt_restore_pf_fw_resources(bp);
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 52582e8ed90e..f1f0976e7669 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -2821,11 +2821,13 @@ static void macb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct macb *bp = netdev_priv(netdev);
- wol->supported = 0;
- wol->wolopts = 0;
-
- if (bp->wol & MACB_WOL_HAS_MAGIC_PACKET)
+ if (bp->wol & MACB_WOL_HAS_MAGIC_PACKET) {
phylink_ethtool_get_wol(bp->phylink, wol);
+ wol->supported |= WAKE_MAGIC;
+
+ if (bp->wol & MACB_WOL_ENABLED)
+ wol->wolopts |= WAKE_MAGIC;
+ }
}
static int macb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
@@ -2833,9 +2835,13 @@ static int macb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
struct macb *bp = netdev_priv(netdev);
int ret;
+ /* Pass the order to phylink layer */
ret = phylink_ethtool_set_wol(bp->phylink, wol);
- if (!ret)
- return 0;
+ /* Don't manage WoL on MAC if handled by the PHY
+ * or if there's a failure in talking to the PHY
+ */
+ if (!ret || ret != -EOPNOTSUPP)
+ return ret;
if (!(bp->wol & MACB_WOL_HAS_MAGIC_PACKET) ||
(wol->wolopts & ~WAKE_MAGIC))
@@ -4422,7 +4428,7 @@ static int macb_probe(struct platform_device *pdev)
bp->wol = 0;
if (of_get_property(np, "magic-packet", NULL))
bp->wol |= MACB_WOL_HAS_MAGIC_PACKET;
- device_init_wakeup(&pdev->dev, bp->wol & MACB_WOL_HAS_MAGIC_PACKET);
+ device_set_wakeup_capable(&pdev->dev, bp->wol & MACB_WOL_HAS_MAGIC_PACKET);
spin_lock_init(&bp->lock);
@@ -4598,10 +4604,10 @@ static int __maybe_unused macb_suspend(struct device *dev)
bp->pm_data.scrt2 = gem_readl_n(bp, ETHT, SCRT2_ETHT);
}
- netif_carrier_off(netdev);
if (bp->ptp_info)
bp->ptp_info->ptp_remove(netdev);
- pm_runtime_force_suspend(dev);
+ if (!device_may_wakeup(dev))
+ pm_runtime_force_suspend(dev);
return 0;
}
@@ -4616,7 +4622,8 @@ static int __maybe_unused macb_resume(struct device *dev)
if (!netif_running(netdev))
return 0;
- pm_runtime_force_resume(dev);
+ if (!device_may_wakeup(dev))
+ pm_runtime_force_resume(dev);
if (bp->wol & MACB_WOL_ENABLED) {
macb_writel(bp, IDR, MACB_BIT(WOL));
@@ -4654,7 +4661,7 @@ static int __maybe_unused macb_runtime_suspend(struct device *dev)
struct net_device *netdev = dev_get_drvdata(dev);
struct macb *bp = netdev_priv(netdev);
- if (!(device_may_wakeup(&bp->dev->dev))) {
+ if (!(device_may_wakeup(dev))) {
clk_disable_unprepare(bp->tx_clk);
clk_disable_unprepare(bp->hclk);
clk_disable_unprepare(bp->pclk);
@@ -4670,7 +4677,7 @@ static int __maybe_unused macb_runtime_resume(struct device *dev)
struct net_device *netdev = dev_get_drvdata(dev);
struct macb *bp = netdev_priv(netdev);
- if (!(device_may_wakeup(&bp->dev->dev))) {
+ if (!(device_may_wakeup(dev))) {
clk_prepare_enable(bp->pclk);
clk_prepare_enable(bp->hclk);
clk_prepare_enable(bp->tx_clk);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
index 7a7f61a8cdf4..d02d346629b3 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
@@ -1112,16 +1112,16 @@ static bool is_addr_all_mask(u8 *ipmask, int family)
struct in_addr *addr;
addr = (struct in_addr *)ipmask;
- if (ntohl(addr->s_addr) == 0xffffffff)
+ if (addr->s_addr == htonl(0xffffffff))
return true;
} else if (family == AF_INET6) {
struct in6_addr *addr6;
addr6 = (struct in6_addr *)ipmask;
- if (ntohl(addr6->s6_addr32[0]) == 0xffffffff &&
- ntohl(addr6->s6_addr32[1]) == 0xffffffff &&
- ntohl(addr6->s6_addr32[2]) == 0xffffffff &&
- ntohl(addr6->s6_addr32[3]) == 0xffffffff)
+ if (addr6->s6_addr32[0] == htonl(0xffffffff) &&
+ addr6->s6_addr32[1] == htonl(0xffffffff) &&
+ addr6->s6_addr32[2] == htonl(0xffffffff) &&
+ addr6->s6_addr32[3] == htonl(0xffffffff))
return true;
}
return false;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 1aa6dc10dc0b..ad522f822cc2 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -3493,7 +3493,7 @@ int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
drv_fw = &fw_info->fw_hdr;
/* Read the header of the firmware on the card */
- ret = -t4_read_flash(adap, FLASH_FW_START,
+ ret = t4_read_flash(adap, FLASH_FW_START,
sizeof(*card_fw) / sizeof(uint32_t),
(uint32_t *)card_fw, 1);
if (ret == 0) {
@@ -3522,8 +3522,8 @@ int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
should_install_fs_fw(adap, card_fw_usable,
be32_to_cpu(fs_fw->fw_ver),
be32_to_cpu(card_fw->fw_ver))) {
- ret = -t4_fw_upgrade(adap, adap->mbox, fw_data,
- fw_size, 0);
+ ret = t4_fw_upgrade(adap, adap->mbox, fw_data,
+ fw_size, 0);
if (ret != 0) {
dev_err(adap->pdev_dev,
"failed to install firmware: %d\n", ret);
@@ -3554,7 +3554,7 @@ int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
FW_HDR_FW_VER_MICRO_G(c), FW_HDR_FW_VER_BUILD_G(c),
FW_HDR_FW_VER_MAJOR_G(k), FW_HDR_FW_VER_MINOR_G(k),
FW_HDR_FW_VER_MICRO_G(k), FW_HDR_FW_VER_BUILD_G(k));
- ret = EINVAL;
+ ret = -EINVAL;
goto bye;
}
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index 96831f49925c..22105d09bc89 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -266,7 +266,7 @@ static irqreturn_t enetc_msix(int irq, void *data)
/* disable interrupts */
enetc_wr_reg(v->rbier, 0);
- for_each_set_bit(i, &v->tx_rings_map, v->count_tx_rings)
+ for_each_set_bit(i, &v->tx_rings_map, ENETC_MAX_NUM_TXQS)
enetc_wr_reg(v->tbier_base + ENETC_BDR_OFF(i), 0);
napi_schedule_irqoff(&v->napi);
@@ -302,7 +302,7 @@ static int enetc_poll(struct napi_struct *napi, int budget)
/* enable interrupts */
enetc_wr_reg(v->rbier, ENETC_RBIER_RXTIE);
- for_each_set_bit(i, &v->tx_rings_map, v->count_tx_rings)
+ for_each_set_bit(i, &v->tx_rings_map, ENETC_MAX_NUM_TXQS)
enetc_wr_reg(v->tbier_base + ENETC_BDR_OFF(i),
ENETC_TBIER_TXTIE);
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index a6cdd5b61921..d8d76da51c5e 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -525,11 +525,6 @@ struct fec_enet_private {
unsigned int total_tx_ring_size;
unsigned int total_rx_ring_size;
- unsigned long work_tx;
- unsigned long work_rx;
- unsigned long work_ts;
- unsigned long work_mdio;
-
struct platform_device *pdev;
int dev_id;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 2d0d313ee7c5..3982285ed020 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -75,8 +75,6 @@ static void fec_enet_itr_coal_init(struct net_device *ndev);
#define DRIVER_NAME "fec"
-#define FEC_ENET_GET_QUQUE(_x) ((_x == 0) ? 1 : ((_x == 1) ? 2 : 0))
-
/* Pause frame feild and FIFO threshold */
#define FEC_ENET_FCE (1 << 5)
#define FEC_ENET_RSEM_V 0x84
@@ -1248,8 +1246,6 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id)
fep = netdev_priv(ndev);
- queue_id = FEC_ENET_GET_QUQUE(queue_id);
-
txq = fep->tx_queue[queue_id];
/* get next bdp of dirty_tx */
nq = netdev_get_tx_queue(ndev, queue_id);
@@ -1340,17 +1336,14 @@ skb_done:
writel(0, txq->bd.reg_desc_active);
}
-static void
-fec_enet_tx(struct net_device *ndev)
+static void fec_enet_tx(struct net_device *ndev)
{
struct fec_enet_private *fep = netdev_priv(ndev);
- u16 queue_id;
- /* First process class A queue, then Class B and Best Effort queue */
- for_each_set_bit(queue_id, &fep->work_tx, FEC_ENET_MAX_TX_QS) {
- clear_bit(queue_id, &fep->work_tx);
- fec_enet_tx_queue(ndev, queue_id);
- }
- return;
+ int i;
+
+ /* Make sure that AVB queues are processed first. */
+ for (i = fep->num_tx_queues - 1; i >= 0; i--)
+ fec_enet_tx_queue(ndev, i);
}
static int
@@ -1426,7 +1419,6 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
#ifdef CONFIG_M532x
flush_cache_all();
#endif
- queue_id = FEC_ENET_GET_QUQUE(queue_id);
rxq = fep->rx_queue[queue_id];
/* First, grab all of the stats for the incoming packet.
@@ -1550,6 +1542,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
htons(ETH_P_8021Q),
vlan_tag);
+ skb_record_rx_queue(skb, queue_id);
napi_gro_receive(&fep->napi, skb);
if (is_copybreak) {
@@ -1595,48 +1588,30 @@ rx_processing_done:
return pkt_received;
}
-static int
-fec_enet_rx(struct net_device *ndev, int budget)
+static int fec_enet_rx(struct net_device *ndev, int budget)
{
- int pkt_received = 0;
- u16 queue_id;
struct fec_enet_private *fep = netdev_priv(ndev);
+ int i, done = 0;
- for_each_set_bit(queue_id, &fep->work_rx, FEC_ENET_MAX_RX_QS) {
- int ret;
-
- ret = fec_enet_rx_queue(ndev,
- budget - pkt_received, queue_id);
+ /* Make sure that AVB queues are processed first. */
+ for (i = fep->num_rx_queues - 1; i >= 0; i--)
+ done += fec_enet_rx_queue(ndev, budget - done, i);
- if (ret < budget - pkt_received)
- clear_bit(queue_id, &fep->work_rx);
-
- pkt_received += ret;
- }
- return pkt_received;
+ return done;
}
-static bool
-fec_enet_collect_events(struct fec_enet_private *fep, uint int_events)
+static bool fec_enet_collect_events(struct fec_enet_private *fep)
{
- if (int_events == 0)
- return false;
+ uint int_events;
+
+ int_events = readl(fep->hwp + FEC_IEVENT);
- if (int_events & FEC_ENET_RXF_0)
- fep->work_rx |= (1 << 2);
- if (int_events & FEC_ENET_RXF_1)
- fep->work_rx |= (1 << 0);
- if (int_events & FEC_ENET_RXF_2)
- fep->work_rx |= (1 << 1);
+ /* Don't clear MDIO events, we poll for those */
+ int_events &= ~FEC_ENET_MII;
- if (int_events & FEC_ENET_TXF_0)
- fep->work_tx |= (1 << 2);
- if (int_events & FEC_ENET_TXF_1)
- fep->work_tx |= (1 << 0);
- if (int_events & FEC_ENET_TXF_2)
- fep->work_tx |= (1 << 1);
+ writel(int_events, fep->hwp + FEC_IEVENT);
- return true;
+ return int_events != 0;
}
static irqreturn_t
@@ -1644,18 +1619,9 @@ fec_enet_interrupt(int irq, void *dev_id)
{
struct net_device *ndev = dev_id;
struct fec_enet_private *fep = netdev_priv(ndev);
- uint int_events;
irqreturn_t ret = IRQ_NONE;
- int_events = readl(fep->hwp + FEC_IEVENT);
-
- /* Don't clear MDIO events, we poll for those */
- int_events &= ~FEC_ENET_MII;
-
- writel(int_events, fep->hwp + FEC_IEVENT);
- fec_enet_collect_events(fep, int_events);
-
- if ((fep->work_tx || fep->work_rx) && fep->link) {
+ if (fec_enet_collect_events(fep) && fep->link) {
ret = IRQ_HANDLED;
if (napi_schedule_prep(&fep->napi)) {
@@ -1672,17 +1638,19 @@ static int fec_enet_rx_napi(struct napi_struct *napi, int budget)
{
struct net_device *ndev = napi->dev;
struct fec_enet_private *fep = netdev_priv(ndev);
- int pkts;
+ int done = 0;
- pkts = fec_enet_rx(ndev, budget);
-
- fec_enet_tx(ndev);
+ do {
+ done += fec_enet_rx(ndev, budget - done);
+ fec_enet_tx(ndev);
+ } while ((done < budget) && fec_enet_collect_events(fep));
- if (pkts < budget) {
- napi_complete_done(napi, pkts);
+ if (done < budget) {
+ napi_complete_done(napi, done);
writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
}
- return pkts;
+
+ return done;
}
/* ------------------------------------------------------------------------- */
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index b14f2abc2425..c38f3bbe7d97 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -4127,9 +4127,8 @@ static void hns3_client_uninit(struct hnae3_handle *handle, bool reset)
hns3_put_ring_config(priv);
- hns3_dbg_uninit(handle);
-
out_netdev_free:
+ hns3_dbg_uninit(handle);
free_netdev(netdev);
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index 6b1545f982aa..2622e04e8eed 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -180,18 +180,21 @@ static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
{
struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
unsigned char *packet = skb->data;
+ u32 len = skb_headlen(skb);
u32 i;
- for (i = 0; i < skb->len; i++)
+ len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);
+
+ for (i = 0; i < len; i++)
if (packet[i] != (unsigned char)(i & 0xff))
break;
/* The packet is correctly received */
- if (i == skb->len)
+ if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
tqp_vector->rx_group.total_packets++;
else
print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
- skb->data, skb->len, true);
+ skb->data, len, true);
dev_kfree_skb_any(skb);
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 96bfad52630d..d6bfdc6520df 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -9859,7 +9859,7 @@ retry:
set_bit(HCLGE_STATE_RST_HANDLING, &hdev->state);
hdev->reset_type = HNAE3_FLR_RESET;
ret = hclge_reset_prepare(hdev);
- if (ret) {
+ if (ret || hdev->reset_pending) {
dev_err(&hdev->pdev->dev, "fail to prepare FLR, ret=%d\n",
ret);
if (hdev->reset_pending ||
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 1b9578d0bd80..a10b022d1951 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -1793,6 +1793,11 @@ static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev)
if (hdev->reset_type == HNAE3_VF_FUNC_RESET) {
hclgevf_build_send_msg(&send_msg, HCLGE_MBX_RESET, 0);
ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to assert VF reset, ret = %d\n", ret);
+ return ret;
+ }
hdev->rst_stats.vf_func_rst_cnt++;
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
index 0245da02efbb..b735bc537508 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
@@ -814,6 +814,8 @@ err_aeqs_init:
err_init_msix:
err_pfhwdev_alloc:
hinic_free_hwif(hwif);
+ if (err > 0)
+ err = -EIO;
return ERR_PTR(err);
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
index c33eb1147055..e0f5a81d8620 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
@@ -370,48 +370,89 @@ int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt,
MSG_NOT_RESP, timeout);
}
-/**
- * mgmt_recv_msg_handler - handler for message from mgmt cpu
- * @pf_to_mgmt: PF to MGMT channel
- * @recv_msg: received message details
- **/
-static void mgmt_recv_msg_handler(struct hinic_pf_to_mgmt *pf_to_mgmt,
- struct hinic_recv_msg *recv_msg)
+static void recv_mgmt_msg_work_handler(struct work_struct *work)
{
- struct hinic_hwif *hwif = pf_to_mgmt->hwif;
- struct pci_dev *pdev = hwif->pdev;
- u8 *buf_out = recv_msg->buf_out;
+ struct hinic_mgmt_msg_handle_work *mgmt_work =
+ container_of(work, struct hinic_mgmt_msg_handle_work, work);
+ struct hinic_pf_to_mgmt *pf_to_mgmt = mgmt_work->pf_to_mgmt;
+ struct pci_dev *pdev = pf_to_mgmt->hwif->pdev;
+ u8 *buf_out = pf_to_mgmt->mgmt_ack_buf;
struct hinic_mgmt_cb *mgmt_cb;
unsigned long cb_state;
u16 out_size = 0;
- if (recv_msg->mod >= HINIC_MOD_MAX) {
+ memset(buf_out, 0, MAX_PF_MGMT_BUF_SIZE);
+
+ if (mgmt_work->mod >= HINIC_MOD_MAX) {
dev_err(&pdev->dev, "Unknown MGMT MSG module = %d\n",
- recv_msg->mod);
+ mgmt_work->mod);
+ kfree(mgmt_work->msg);
+ kfree(mgmt_work);
return;
}
- mgmt_cb = &pf_to_mgmt->mgmt_cb[recv_msg->mod];
+ mgmt_cb = &pf_to_mgmt->mgmt_cb[mgmt_work->mod];
cb_state = cmpxchg(&mgmt_cb->state,
HINIC_MGMT_CB_ENABLED,
HINIC_MGMT_CB_ENABLED | HINIC_MGMT_CB_RUNNING);
if ((cb_state == HINIC_MGMT_CB_ENABLED) && (mgmt_cb->cb))
- mgmt_cb->cb(mgmt_cb->handle, recv_msg->cmd,
- recv_msg->msg, recv_msg->msg_len,
+ mgmt_cb->cb(mgmt_cb->handle, mgmt_work->cmd,
+ mgmt_work->msg, mgmt_work->msg_len,
buf_out, &out_size);
else
dev_err(&pdev->dev, "No MGMT msg handler, mod: %d, cmd: %d\n",
- recv_msg->mod, recv_msg->cmd);
+ mgmt_work->mod, mgmt_work->cmd);
mgmt_cb->state &= ~HINIC_MGMT_CB_RUNNING;
- if (!recv_msg->async_mgmt_to_pf)
+ if (!mgmt_work->async_mgmt_to_pf)
/* MGMT sent sync msg, send the response */
- msg_to_mgmt_async(pf_to_mgmt, recv_msg->mod, recv_msg->cmd,
+ msg_to_mgmt_async(pf_to_mgmt, mgmt_work->mod, mgmt_work->cmd,
buf_out, out_size, MGMT_RESP,
- recv_msg->msg_id);
+ mgmt_work->msg_id);
+
+ kfree(mgmt_work->msg);
+ kfree(mgmt_work);
+}
+
+/**
+ * mgmt_recv_msg_handler - handler for message from mgmt cpu
+ * @pf_to_mgmt: PF to MGMT channel
+ * @recv_msg: received message details
+ **/
+static void mgmt_recv_msg_handler(struct hinic_pf_to_mgmt *pf_to_mgmt,
+ struct hinic_recv_msg *recv_msg)
+{
+ struct hinic_mgmt_msg_handle_work *mgmt_work = NULL;
+ struct pci_dev *pdev = pf_to_mgmt->hwif->pdev;
+
+ mgmt_work = kzalloc(sizeof(*mgmt_work), GFP_KERNEL);
+ if (!mgmt_work) {
+ dev_err(&pdev->dev, "Allocate mgmt work memory failed\n");
+ return;
+ }
+
+ if (recv_msg->msg_len) {
+ mgmt_work->msg = kzalloc(recv_msg->msg_len, GFP_KERNEL);
+ if (!mgmt_work->msg) {
+ dev_err(&pdev->dev, "Allocate mgmt msg memory failed\n");
+ kfree(mgmt_work);
+ return;
+ }
+ }
+
+ mgmt_work->pf_to_mgmt = pf_to_mgmt;
+ mgmt_work->msg_len = recv_msg->msg_len;
+ memcpy(mgmt_work->msg, recv_msg->msg, recv_msg->msg_len);
+ mgmt_work->msg_id = recv_msg->msg_id;
+ mgmt_work->mod = recv_msg->mod;
+ mgmt_work->cmd = recv_msg->cmd;
+ mgmt_work->async_mgmt_to_pf = recv_msg->async_mgmt_to_pf;
+
+ INIT_WORK(&mgmt_work->work, recv_mgmt_msg_work_handler);
+ queue_work(pf_to_mgmt->workq, &mgmt_work->work);
}
/**
@@ -546,6 +587,12 @@ static int alloc_msg_buf(struct hinic_pf_to_mgmt *pf_to_mgmt)
if (!pf_to_mgmt->sync_msg_buf)
return -ENOMEM;
+ pf_to_mgmt->mgmt_ack_buf = devm_kzalloc(&pdev->dev,
+ MAX_PF_MGMT_BUF_SIZE,
+ GFP_KERNEL);
+ if (!pf_to_mgmt->mgmt_ack_buf)
+ return -ENOMEM;
+
return 0;
}
@@ -571,6 +618,11 @@ int hinic_pf_to_mgmt_init(struct hinic_pf_to_mgmt *pf_to_mgmt,
return 0;
sema_init(&pf_to_mgmt->sync_msg_lock, 1);
+ pf_to_mgmt->workq = create_singlethread_workqueue("hinic_mgmt");
+ if (!pf_to_mgmt->workq) {
+ dev_err(&pdev->dev, "Failed to initialize MGMT workqueue\n");
+ return -ENOMEM;
+ }
pf_to_mgmt->sync_msg_id = 0;
err = alloc_msg_buf(pf_to_mgmt);
@@ -605,4 +657,5 @@ void hinic_pf_to_mgmt_free(struct hinic_pf_to_mgmt *pf_to_mgmt)
hinic_aeq_unregister_hw_cb(&hwdev->aeqs, HINIC_MSG_FROM_MGMT_CPU);
hinic_api_cmd_free(pf_to_mgmt->cmd_chain);
+ destroy_workqueue(pf_to_mgmt->workq);
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
index c2b142c08b0e..a824fbda59db 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
@@ -119,6 +119,7 @@ struct hinic_pf_to_mgmt {
struct semaphore sync_msg_lock;
u16 sync_msg_id;
u8 *sync_msg_buf;
+ void *mgmt_ack_buf;
struct hinic_recv_msg recv_resp_msg_from_mgmt;
struct hinic_recv_msg recv_msg_from_mgmt;
@@ -126,6 +127,21 @@ struct hinic_pf_to_mgmt {
struct hinic_api_cmd_chain *cmd_chain[HINIC_API_CMD_MAX];
struct hinic_mgmt_cb mgmt_cb[HINIC_MOD_MAX];
+
+ struct workqueue_struct *workq;
+};
+
+struct hinic_mgmt_msg_handle_work {
+ struct work_struct work;
+ struct hinic_pf_to_mgmt *pf_to_mgmt;
+
+ void *msg;
+ u16 msg_len;
+
+ enum hinic_mod_type mod;
+ u8 cmd;
+ u16 msg_id;
+ int async_mgmt_to_pf;
};
void hinic_register_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt,
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index c639e3a29302..7d5d9d34f4e4 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3959,7 +3959,7 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
/* When at 2.5G, the link partner can send frames with shortened
* preambles.
*/
- if (state->speed == SPEED_2500)
+ if (state->interface == PHY_INTERFACE_MODE_2500BASEX)
new_ctrl4 |= MVNETA_GMAC4_SHORT_PREAMBLE_ENABLE;
if (pp->phy_interface != state->interface) {
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 241f00716979..fe54764caea9 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -203,7 +203,7 @@ io_error:
static inline u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg)
{
- u16 v;
+ u16 v = 0;
__gm_phy_read(hw, port, reg, &v);
return v;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h b/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h
index 7be6b2d36b60..9976de8b9047 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h
@@ -29,6 +29,7 @@ struct mlx5e_dcbx {
bool manual_buffer;
u32 cable_len;
u32 xoff;
+ u16 port_buff_cell_sz;
};
#define MLX5E_MAX_DSCP (64)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
index 2a8950b3056f..3cf3e35053f7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
@@ -78,11 +78,26 @@ static const u32 mlx5e_ext_link_speed[MLX5E_EXT_LINK_MODES_NUMBER] = {
[MLX5E_400GAUI_8] = 400000,
};
+bool mlx5e_ptys_ext_supported(struct mlx5_core_dev *mdev)
+{
+ struct mlx5e_port_eth_proto eproto;
+ int err;
+
+ if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet))
+ return true;
+
+ err = mlx5_port_query_eth_proto(mdev, 1, true, &eproto);
+ if (err)
+ return false;
+
+ return !!eproto.cap;
+}
+
static void mlx5e_port_get_speed_arr(struct mlx5_core_dev *mdev,
const u32 **arr, u32 *size,
bool force_legacy)
{
- bool ext = force_legacy ? false : MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
+ bool ext = force_legacy ? false : mlx5e_ptys_ext_supported(mdev);
*size = ext ? ARRAY_SIZE(mlx5e_ext_link_speed) :
ARRAY_SIZE(mlx5e_link_speed);
@@ -177,7 +192,7 @@ int mlx5e_port_linkspeed(struct mlx5_core_dev *mdev, u32 *speed)
bool ext;
int err;
- ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
+ ext = mlx5e_ptys_ext_supported(mdev);
err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
if (err)
goto out;
@@ -205,7 +220,7 @@ int mlx5e_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed)
int err;
int i;
- ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
+ ext = mlx5e_ptys_ext_supported(mdev);
err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.h b/drivers/net/ethernet/mellanox/mlx5/core/en/port.h
index a2ddd446dd59..7a7defe60792 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.h
@@ -54,7 +54,7 @@ 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,
bool force_legacy);
-
+bool mlx5e_ptys_ext_supported(struct mlx5_core_dev *mdev);
int mlx5e_port_query_pbmc(struct mlx5_core_dev *mdev, void *out);
int mlx5e_port_set_pbmc(struct mlx5_core_dev *mdev, void *in);
int mlx5e_port_query_priority2buffer(struct mlx5_core_dev *mdev, u8 *buffer);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
index ae99fac08b53..673f1c82d381 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
@@ -34,6 +34,7 @@
int mlx5e_port_query_buffer(struct mlx5e_priv *priv,
struct mlx5e_port_buffer *port_buffer)
{
+ u16 port_buff_cell_sz = priv->dcbx.port_buff_cell_sz;
struct mlx5_core_dev *mdev = priv->mdev;
int sz = MLX5_ST_SZ_BYTES(pbmc_reg);
u32 total_used = 0;
@@ -57,11 +58,11 @@ int mlx5e_port_query_buffer(struct mlx5e_priv *priv,
port_buffer->buffer[i].epsb =
MLX5_GET(bufferx_reg, buffer, epsb);
port_buffer->buffer[i].size =
- MLX5_GET(bufferx_reg, buffer, size) << MLX5E_BUFFER_CELL_SHIFT;
+ MLX5_GET(bufferx_reg, buffer, size) * port_buff_cell_sz;
port_buffer->buffer[i].xon =
- MLX5_GET(bufferx_reg, buffer, xon_threshold) << MLX5E_BUFFER_CELL_SHIFT;
+ MLX5_GET(bufferx_reg, buffer, xon_threshold) * port_buff_cell_sz;
port_buffer->buffer[i].xoff =
- MLX5_GET(bufferx_reg, buffer, xoff_threshold) << MLX5E_BUFFER_CELL_SHIFT;
+ MLX5_GET(bufferx_reg, buffer, xoff_threshold) * port_buff_cell_sz;
total_used += port_buffer->buffer[i].size;
mlx5e_dbg(HW, priv, "buffer %d: size=%d, xon=%d, xoff=%d, epsb=%d, lossy=%d\n", i,
@@ -73,7 +74,7 @@ int mlx5e_port_query_buffer(struct mlx5e_priv *priv,
}
port_buffer->port_buffer_size =
- MLX5_GET(pbmc_reg, out, port_buffer_size) << MLX5E_BUFFER_CELL_SHIFT;
+ MLX5_GET(pbmc_reg, out, port_buffer_size) * port_buff_cell_sz;
port_buffer->spare_buffer_size =
port_buffer->port_buffer_size - total_used;
@@ -88,9 +89,9 @@ out:
static int port_set_buffer(struct mlx5e_priv *priv,
struct mlx5e_port_buffer *port_buffer)
{
+ u16 port_buff_cell_sz = priv->dcbx.port_buff_cell_sz;
struct mlx5_core_dev *mdev = priv->mdev;
int sz = MLX5_ST_SZ_BYTES(pbmc_reg);
- void *buffer;
void *in;
int err;
int i;
@@ -104,16 +105,18 @@ static int port_set_buffer(struct mlx5e_priv *priv,
goto out;
for (i = 0; i < MLX5E_MAX_BUFFER; i++) {
- buffer = MLX5_ADDR_OF(pbmc_reg, in, buffer[i]);
-
- MLX5_SET(bufferx_reg, buffer, size,
- port_buffer->buffer[i].size >> MLX5E_BUFFER_CELL_SHIFT);
- MLX5_SET(bufferx_reg, buffer, lossy,
- port_buffer->buffer[i].lossy);
- MLX5_SET(bufferx_reg, buffer, xoff_threshold,
- port_buffer->buffer[i].xoff >> MLX5E_BUFFER_CELL_SHIFT);
- MLX5_SET(bufferx_reg, buffer, xon_threshold,
- port_buffer->buffer[i].xon >> MLX5E_BUFFER_CELL_SHIFT);
+ void *buffer = MLX5_ADDR_OF(pbmc_reg, in, buffer[i]);
+ u64 size = port_buffer->buffer[i].size;
+ u64 xoff = port_buffer->buffer[i].xoff;
+ u64 xon = port_buffer->buffer[i].xon;
+
+ do_div(size, port_buff_cell_sz);
+ do_div(xoff, port_buff_cell_sz);
+ do_div(xon, port_buff_cell_sz);
+ MLX5_SET(bufferx_reg, buffer, size, size);
+ MLX5_SET(bufferx_reg, buffer, lossy, port_buffer->buffer[i].lossy);
+ MLX5_SET(bufferx_reg, buffer, xoff_threshold, xoff);
+ MLX5_SET(bufferx_reg, buffer, xon_threshold, xon);
}
err = mlx5e_port_set_pbmc(mdev, in);
@@ -143,7 +146,7 @@ static u32 calculate_xoff(struct mlx5e_priv *priv, unsigned int mtu)
}
static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer,
- u32 xoff, unsigned int max_mtu)
+ u32 xoff, unsigned int max_mtu, u16 port_buff_cell_sz)
{
int i;
@@ -155,7 +158,7 @@ static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer,
}
if (port_buffer->buffer[i].size <
- (xoff + max_mtu + (1 << MLX5E_BUFFER_CELL_SHIFT))) {
+ (xoff + max_mtu + port_buff_cell_sz)) {
pr_err("buffer_size[%d]=%d is not enough for lossless buffer\n",
i, port_buffer->buffer[i].size);
return -ENOMEM;
@@ -175,6 +178,7 @@ static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer,
* @pfc_en: <input> current pfc configuration
* @buffer: <input> current prio to buffer mapping
* @xoff: <input> xoff value
+ * @port_buff_cell_sz: <input> port buffer cell_size
* @port_buffer: <output> port receive buffer configuration
* @change: <output>
*
@@ -189,7 +193,7 @@ static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer,
* sets change to true if buffer configuration was modified.
*/
static int update_buffer_lossy(unsigned int max_mtu,
- u8 pfc_en, u8 *buffer, u32 xoff,
+ u8 pfc_en, u8 *buffer, u32 xoff, u16 port_buff_cell_sz,
struct mlx5e_port_buffer *port_buffer,
bool *change)
{
@@ -225,7 +229,7 @@ static int update_buffer_lossy(unsigned int max_mtu,
}
if (changed) {
- err = update_xoff_threshold(port_buffer, xoff, max_mtu);
+ err = update_xoff_threshold(port_buffer, xoff, max_mtu, port_buff_cell_sz);
if (err)
return err;
@@ -262,6 +266,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
u32 *buffer_size,
u8 *prio2buffer)
{
+ u16 port_buff_cell_sz = priv->dcbx.port_buff_cell_sz;
struct mlx5e_port_buffer port_buffer;
u32 xoff = calculate_xoff(priv, mtu);
bool update_prio2buffer = false;
@@ -282,7 +287,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
if (change & MLX5E_PORT_BUFFER_CABLE_LEN) {
update_buffer = true;
- err = update_xoff_threshold(&port_buffer, xoff, max_mtu);
+ err = update_xoff_threshold(&port_buffer, xoff, max_mtu, port_buff_cell_sz);
if (err)
return err;
}
@@ -292,7 +297,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
if (err)
return err;
- err = update_buffer_lossy(max_mtu, pfc->pfc_en, buffer, xoff,
+ err = update_buffer_lossy(max_mtu, pfc->pfc_en, buffer, xoff, port_buff_cell_sz,
&port_buffer, &update_buffer);
if (err)
return err;
@@ -304,7 +309,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
if (err)
return err;
- err = update_buffer_lossy(max_mtu, curr_pfc_en, prio2buffer,
+ err = update_buffer_lossy(max_mtu, curr_pfc_en, prio2buffer, port_buff_cell_sz,
xoff, &port_buffer, &update_buffer);
if (err)
return err;
@@ -329,7 +334,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
return -EINVAL;
update_buffer = true;
- err = update_xoff_threshold(&port_buffer, xoff, max_mtu);
+ err = update_xoff_threshold(&port_buffer, xoff, max_mtu, port_buff_cell_sz);
if (err)
return err;
}
@@ -337,7 +342,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
/* Need to update buffer configuration if xoff value is changed */
if (!update_buffer && xoff != priv->dcbx.xoff) {
update_buffer = true;
- err = update_xoff_threshold(&port_buffer, xoff, max_mtu);
+ err = update_xoff_threshold(&port_buffer, xoff, max_mtu, port_buff_cell_sz);
if (err)
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h
index 34f55b81a0de..80af7a5ac604 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h
@@ -36,7 +36,6 @@
#include "port.h"
#define MLX5E_MAX_BUFFER 8
-#define MLX5E_BUFFER_CELL_SHIFT 7
#define MLX5E_DEFAULT_CABLE_LEN 7 /* 7 meters */
#define MLX5_BUFFER_SUPPORTED(mdev) (MLX5_CAP_GEN(mdev, pcam_reg) && \
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c
index baa162432e75..c3d167fa944c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c
@@ -6,7 +6,6 @@
#include <linux/rculist.h>
#include <linux/rtnetlink.h>
#include <linux/workqueue.h>
-#include <linux/rwlock.h>
#include <linux/spinlock.h>
#include <linux/notifier.h>
#include <net/netevent.h>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
index 430025550fad..aad1c29b23db 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
@@ -1097,6 +1097,7 @@ mlx5_tc_ct_flush_ft_entry(void *ptr, void *arg)
struct mlx5_ct_entry *entry = ptr;
mlx5_tc_ct_entry_del_rules(ct_priv, entry);
+ kfree(entry);
}
static void
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index bc102d094bbd..d20243d6a032 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -1217,6 +1217,24 @@ static int mlx5e_trust_initialize(struct mlx5e_priv *priv)
return 0;
}
+#define MLX5E_BUFFER_CELL_SHIFT 7
+
+static u16 mlx5e_query_port_buffers_cell_size(struct mlx5e_priv *priv)
+{
+ struct mlx5_core_dev *mdev = priv->mdev;
+ u32 out[MLX5_ST_SZ_DW(sbcam_reg)] = {};
+ u32 in[MLX5_ST_SZ_DW(sbcam_reg)] = {};
+
+ if (!MLX5_CAP_GEN(mdev, sbcam_reg))
+ return (1 << MLX5E_BUFFER_CELL_SHIFT);
+
+ if (mlx5_core_access_reg(mdev, in, sizeof(in), out, sizeof(out),
+ MLX5_REG_SBCAM, 0, 0))
+ return (1 << MLX5E_BUFFER_CELL_SHIFT);
+
+ return MLX5_GET(sbcam_reg, out, cap_cell_size);
+}
+
void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv)
{
struct mlx5e_dcbx *dcbx = &priv->dcbx;
@@ -1234,6 +1252,7 @@ void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv)
if (priv->dcbx.mode == MLX5E_DCBX_PARAM_VER_OPER_HOST)
priv->dcbx.cap |= DCB_CAP_DCBX_HOST;
+ priv->dcbx.port_buff_cell_sz = mlx5e_query_port_buffers_cell_size(priv);
priv->dcbx.manual_buffer = false;
priv->dcbx.cable_len = MLX5E_DEFAULT_CABLE_LEN;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index ec5658bbe3c5..c2464c349117 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -200,7 +200,7 @@ static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev,
struct ptys2ethtool_config **arr,
u32 *size)
{
- bool ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
+ bool ext = mlx5e_ptys_ext_supported(mdev);
*arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
*size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
@@ -883,7 +883,7 @@ static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp,
struct ethtool_link_ksettings *link_ksettings)
{
unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
- bool ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
+ bool ext = mlx5e_ptys_ext_supported(mdev);
ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext);
}
@@ -913,7 +913,7 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
__func__, err);
goto err_query_regs;
}
- ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
+ ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability);
eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
eth_proto_capability);
eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
@@ -1066,7 +1066,7 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
autoneg = link_ksettings->base.autoneg;
speed = link_ksettings->base.speed;
- ext_supported = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
+ ext_supported = mlx5e_ptys_ext_supported(mdev);
ext = ext_requested(autoneg, adver, ext_supported);
if (!ext_supported && ext)
return -EOPNOTSUPP;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index a836a02a2116..081f15074cac 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3104,9 +3104,6 @@ int mlx5e_open(struct net_device *netdev)
mlx5_set_port_admin_status(priv->mdev, MLX5_PORT_UP);
mutex_unlock(&priv->state_lock);
- if (mlx5_vxlan_allowed(priv->mdev->vxlan))
- udp_tunnel_get_rx_info(netdev);
-
return err;
}
@@ -5121,6 +5118,10 @@ static int mlx5e_init_nic_rx(struct mlx5e_priv *priv)
if (err)
goto err_destroy_flow_steering;
+#ifdef CONFIG_MLX5_EN_ARFS
+ priv->netdev->rx_cpu_rmap = mlx5_eq_table_get_rmap(priv->mdev);
+#endif
+
return 0;
err_destroy_flow_steering:
@@ -5202,6 +5203,8 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
rtnl_lock();
if (netif_running(netdev))
mlx5e_open(netdev);
+ if (mlx5_vxlan_allowed(priv->mdev->vxlan))
+ udp_tunnel_get_rx_info(netdev);
netif_device_attach(netdev);
rtnl_unlock();
}
@@ -5216,6 +5219,8 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv)
rtnl_lock();
if (netif_running(priv->netdev))
mlx5e_close(priv->netdev);
+ if (mlx5_vxlan_allowed(priv->mdev->vxlan))
+ udp_tunnel_drop_rx_info(priv->netdev);
netif_device_detach(priv->netdev);
rtnl_unlock();
@@ -5288,10 +5293,6 @@ int mlx5e_netdev_init(struct net_device *netdev,
/* netdev init */
netif_carrier_off(netdev);
-#ifdef CONFIG_MLX5_EN_ARFS
- netdev->rx_cpu_rmap = mlx5_eq_table_get_rmap(mdev);
-#endif
-
return 0;
err_free_cpumask:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 7fc84f58e28a..cc8412151ca0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -4670,9 +4670,10 @@ static bool is_flow_rule_duplicate_allowed(struct net_device *dev,
struct mlx5e_rep_priv *rpriv)
{
/* Offloaded flow rule is allowed to duplicate on non-uplink representor
- * sharing tc block with other slaves of a lag device.
+ * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this
+ * function is called from NIC mode.
*/
- return netif_is_lag_port(dev) && rpriv->rep->vport != MLX5_VPORT_UPLINK;
+ return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK;
}
int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
@@ -4686,13 +4687,12 @@ int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
rcu_read_lock();
flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params);
- rcu_read_unlock();
if (flow) {
/* Same flow rule offloaded to non-uplink representor sharing tc block,
* just return 0.
*/
if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev)
- goto out;
+ goto rcu_unlock;
NL_SET_ERR_MSG_MOD(extack,
"flow cookie already exists, ignoring");
@@ -4700,8 +4700,12 @@ int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
"flow cookie %lx already exists, ignoring\n",
f->cookie);
err = -EEXIST;
- goto out;
+ goto rcu_unlock;
}
+rcu_unlock:
+ rcu_read_unlock();
+ if (flow)
+ goto out;
trace_mlx5e_configure_flower(f);
err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c
index 5dc335e621c5..b68976b378b8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c
@@ -217,7 +217,6 @@ int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw,
}
/* Create ingress allow rule */
- memset(spec, 0, sizeof(*spec));
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
vport->ingress.allow_rule = mlx5_add_flow_rules(vport->ingress.acl, spec,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 9f829e68fc73..e4186e84b3ff 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -293,7 +293,40 @@ static int mlx5_query_module_num(struct mlx5_core_dev *dev, int *module_num)
return 0;
}
-static int mlx5_eeprom_page(int offset)
+static int mlx5_query_module_id(struct mlx5_core_dev *dev, int module_num,
+ u8 *module_id)
+{
+ u32 in[MLX5_ST_SZ_DW(mcia_reg)] = {};
+ u32 out[MLX5_ST_SZ_DW(mcia_reg)];
+ int err, status;
+ u8 *ptr;
+
+ MLX5_SET(mcia_reg, in, i2c_device_address, MLX5_I2C_ADDR_LOW);
+ MLX5_SET(mcia_reg, in, module, module_num);
+ MLX5_SET(mcia_reg, in, device_address, 0);
+ MLX5_SET(mcia_reg, in, page_number, 0);
+ MLX5_SET(mcia_reg, in, size, 1);
+ MLX5_SET(mcia_reg, in, l, 0);
+
+ err = mlx5_core_access_reg(dev, in, sizeof(in), out,
+ sizeof(out), MLX5_REG_MCIA, 0, 0);
+ if (err)
+ return err;
+
+ status = MLX5_GET(mcia_reg, out, status);
+ if (status) {
+ mlx5_core_err(dev, "query_mcia_reg failed: status: 0x%x\n",
+ status);
+ return -EIO;
+ }
+ ptr = MLX5_ADDR_OF(mcia_reg, out, dword_0);
+
+ *module_id = ptr[0];
+
+ return 0;
+}
+
+static int mlx5_qsfp_eeprom_page(u16 offset)
{
if (offset < MLX5_EEPROM_PAGE_LENGTH)
/* Addresses between 0-255 - page 00 */
@@ -307,7 +340,7 @@ static int mlx5_eeprom_page(int offset)
MLX5_EEPROM_HIGH_PAGE_LENGTH);
}
-static int mlx5_eeprom_high_page_offset(int page_num)
+static int mlx5_qsfp_eeprom_high_page_offset(int page_num)
{
if (!page_num) /* Page 0 always start from low page */
return 0;
@@ -316,35 +349,62 @@ static int mlx5_eeprom_high_page_offset(int page_num)
return page_num * MLX5_EEPROM_HIGH_PAGE_LENGTH;
}
+static void mlx5_qsfp_eeprom_params_set(u16 *i2c_addr, int *page_num, u16 *offset)
+{
+ *i2c_addr = MLX5_I2C_ADDR_LOW;
+ *page_num = mlx5_qsfp_eeprom_page(*offset);
+ *offset -= mlx5_qsfp_eeprom_high_page_offset(*page_num);
+}
+
+static void mlx5_sfp_eeprom_params_set(u16 *i2c_addr, int *page_num, u16 *offset)
+{
+ *i2c_addr = MLX5_I2C_ADDR_LOW;
+ *page_num = 0;
+
+ if (*offset < MLX5_EEPROM_PAGE_LENGTH)
+ return;
+
+ *i2c_addr = MLX5_I2C_ADDR_HIGH;
+ *offset -= MLX5_EEPROM_PAGE_LENGTH;
+}
+
int mlx5_query_module_eeprom(struct mlx5_core_dev *dev,
u16 offset, u16 size, u8 *data)
{
- int module_num, page_num, status, err;
+ int module_num, status, err, page_num = 0;
+ u32 in[MLX5_ST_SZ_DW(mcia_reg)] = {};
u32 out[MLX5_ST_SZ_DW(mcia_reg)];
- u32 in[MLX5_ST_SZ_DW(mcia_reg)];
- u16 i2c_addr;
- void *ptr = MLX5_ADDR_OF(mcia_reg, out, dword_0);
+ u16 i2c_addr = 0;
+ u8 module_id;
+ void *ptr;
err = mlx5_query_module_num(dev, &module_num);
if (err)
return err;
- memset(in, 0, sizeof(in));
- size = min_t(int, size, MLX5_EEPROM_MAX_BYTES);
-
- /* Get the page number related to the given offset */
- page_num = mlx5_eeprom_page(offset);
+ err = mlx5_query_module_id(dev, module_num, &module_id);
+ if (err)
+ return err;
- /* Set the right offset according to the page number,
- * For page_num > 0, relative offset is always >= 128 (high page).
- */
- offset -= mlx5_eeprom_high_page_offset(page_num);
+ switch (module_id) {
+ case MLX5_MODULE_ID_SFP:
+ mlx5_sfp_eeprom_params_set(&i2c_addr, &page_num, &offset);
+ break;
+ case MLX5_MODULE_ID_QSFP:
+ case MLX5_MODULE_ID_QSFP_PLUS:
+ case MLX5_MODULE_ID_QSFP28:
+ mlx5_qsfp_eeprom_params_set(&i2c_addr, &page_num, &offset);
+ break;
+ default:
+ mlx5_core_err(dev, "Module ID not recognized: 0x%x\n", module_id);
+ return -EINVAL;
+ }
if (offset + size > MLX5_EEPROM_PAGE_LENGTH)
/* Cross pages read, read until offset 256 in low page */
size -= offset + size - MLX5_EEPROM_PAGE_LENGTH;
- i2c_addr = MLX5_I2C_ADDR_LOW;
+ size = min_t(int, size, MLX5_EEPROM_MAX_BYTES);
MLX5_SET(mcia_reg, in, l, 0);
MLX5_SET(mcia_reg, in, module, module_num);
@@ -365,6 +425,7 @@ int mlx5_query_module_eeprom(struct mlx5_core_dev *dev,
return -EIO;
}
+ ptr = MLX5_ADDR_OF(mcia_reg, out, dword_0);
memcpy(data, ptr, size);
return size;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index fd0e97de44e7..c04ec1a92826 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -1414,23 +1414,12 @@ static int mlxsw_pci_init(void *bus_priv, struct mlxsw_core *mlxsw_core,
u16 num_pages;
int err;
- mutex_init(&mlxsw_pci->cmd.lock);
- init_waitqueue_head(&mlxsw_pci->cmd.wait);
-
mlxsw_pci->core = mlxsw_core;
mbox = mlxsw_cmd_mbox_alloc();
if (!mbox)
return -ENOMEM;
- err = mlxsw_pci_mbox_alloc(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
- if (err)
- goto mbox_put;
-
- err = mlxsw_pci_mbox_alloc(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
- if (err)
- goto err_out_mbox_alloc;
-
err = mlxsw_pci_sw_reset(mlxsw_pci, mlxsw_pci->id);
if (err)
goto err_sw_reset;
@@ -1537,9 +1526,6 @@ err_query_fw:
mlxsw_pci_free_irq_vectors(mlxsw_pci);
err_alloc_irq:
err_sw_reset:
- mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
-err_out_mbox_alloc:
- mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
mbox_put:
mlxsw_cmd_mbox_free(mbox);
return err;
@@ -1553,8 +1539,6 @@ static void mlxsw_pci_fini(void *bus_priv)
mlxsw_pci_aqs_fini(mlxsw_pci);
mlxsw_pci_fw_area_fini(mlxsw_pci);
mlxsw_pci_free_irq_vectors(mlxsw_pci);
- mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
- mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
}
static struct mlxsw_pci_queue *
@@ -1776,6 +1760,37 @@ static const struct mlxsw_bus mlxsw_pci_bus = {
.features = MLXSW_BUS_F_TXRX | MLXSW_BUS_F_RESET,
};
+static int mlxsw_pci_cmd_init(struct mlxsw_pci *mlxsw_pci)
+{
+ int err;
+
+ mutex_init(&mlxsw_pci->cmd.lock);
+ init_waitqueue_head(&mlxsw_pci->cmd.wait);
+
+ err = mlxsw_pci_mbox_alloc(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
+ if (err)
+ goto err_in_mbox_alloc;
+
+ err = mlxsw_pci_mbox_alloc(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
+ if (err)
+ goto err_out_mbox_alloc;
+
+ return 0;
+
+err_out_mbox_alloc:
+ mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
+err_in_mbox_alloc:
+ mutex_destroy(&mlxsw_pci->cmd.lock);
+ return err;
+}
+
+static void mlxsw_pci_cmd_fini(struct mlxsw_pci *mlxsw_pci)
+{
+ mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
+ mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
+ mutex_destroy(&mlxsw_pci->cmd.lock);
+}
+
static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
const char *driver_name = pdev->driver->name;
@@ -1831,6 +1846,10 @@ static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mlxsw_pci->pdev = pdev;
pci_set_drvdata(pdev, mlxsw_pci);
+ err = mlxsw_pci_cmd_init(mlxsw_pci);
+ if (err)
+ goto err_pci_cmd_init;
+
mlxsw_pci->bus_info.device_kind = driver_name;
mlxsw_pci->bus_info.device_name = pci_name(mlxsw_pci->pdev);
mlxsw_pci->bus_info.dev = &pdev->dev;
@@ -1848,6 +1867,8 @@ static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
err_bus_device_register:
+ mlxsw_pci_cmd_fini(mlxsw_pci);
+err_pci_cmd_init:
iounmap(mlxsw_pci->hw_addr);
err_ioremap:
err_pci_resource_len_check:
@@ -1865,6 +1886,7 @@ static void mlxsw_pci_remove(struct pci_dev *pdev)
struct mlxsw_pci *mlxsw_pci = pci_get_drvdata(pdev);
mlxsw_core_bus_device_unregister(mlxsw_pci->core, false);
+ mlxsw_pci_cmd_fini(mlxsw_pci);
iounmap(mlxsw_pci->hw_addr);
pci_release_regions(mlxsw_pci->pdev);
pci_disable_device(mlxsw_pci->pdev);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 770de0222e7b..019ed503aadf 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -6262,7 +6262,7 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb,
}
fib_work = kzalloc(sizeof(*fib_work), GFP_ATOMIC);
- if (WARN_ON(!fib_work))
+ if (!fib_work)
return NOTIFY_BAD;
fib_work->mlxsw_sp = router->mlxsw_sp;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
index f7e3ce3de04d..e03ea9b18f95 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
@@ -468,12 +468,18 @@ static void ionic_get_ringparam(struct net_device *netdev,
ring->rx_pending = lif->nrxq_descs;
}
+static void ionic_set_ringsize(struct ionic_lif *lif, void *arg)
+{
+ struct ethtool_ringparam *ring = arg;
+
+ lif->ntxq_descs = ring->tx_pending;
+ lif->nrxq_descs = ring->rx_pending;
+}
+
static int ionic_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct ionic_lif *lif = netdev_priv(netdev);
- bool running;
- int err;
if (ring->rx_mini_pending || ring->rx_jumbo_pending) {
netdev_info(netdev, "Changing jumbo or mini descriptors not supported\n");
@@ -491,22 +497,7 @@ static int ionic_set_ringparam(struct net_device *netdev,
ring->rx_pending == lif->nrxq_descs)
return 0;
- err = ionic_wait_for_bit(lif, IONIC_LIF_F_QUEUE_RESET);
- if (err)
- return err;
-
- running = test_bit(IONIC_LIF_F_UP, lif->state);
- if (running)
- ionic_stop(netdev);
-
- lif->ntxq_descs = ring->tx_pending;
- lif->nrxq_descs = ring->rx_pending;
-
- if (running)
- ionic_open(netdev);
- clear_bit(IONIC_LIF_F_QUEUE_RESET, lif->state);
-
- return 0;
+ return ionic_reset_queues(lif, ionic_set_ringsize, ring);
}
static void ionic_get_channels(struct net_device *netdev,
@@ -521,12 +512,17 @@ static void ionic_get_channels(struct net_device *netdev,
ch->combined_count = lif->nxqs;
}
+static void ionic_set_queuecount(struct ionic_lif *lif, void *arg)
+{
+ struct ethtool_channels *ch = arg;
+
+ lif->nxqs = ch->combined_count;
+}
+
static int ionic_set_channels(struct net_device *netdev,
struct ethtool_channels *ch)
{
struct ionic_lif *lif = netdev_priv(netdev);
- bool running;
- int err;
if (!ch->combined_count || ch->other_count ||
ch->rx_count || ch->tx_count)
@@ -535,21 +531,7 @@ static int ionic_set_channels(struct net_device *netdev,
if (ch->combined_count == lif->nxqs)
return 0;
- err = ionic_wait_for_bit(lif, IONIC_LIF_F_QUEUE_RESET);
- if (err)
- return err;
-
- running = test_bit(IONIC_LIF_F_UP, lif->state);
- if (running)
- ionic_stop(netdev);
-
- lif->nxqs = ch->combined_count;
-
- if (running)
- ionic_open(netdev);
- clear_bit(IONIC_LIF_F_QUEUE_RESET, lif->state);
-
- return 0;
+ return ionic_reset_queues(lif, ionic_set_queuecount, ch);
}
static u32 ionic_get_priv_flags(struct net_device *netdev)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index aaa00edd9d5b..f49486b6d04d 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -1313,7 +1313,7 @@ static int ionic_change_mtu(struct net_device *netdev, int new_mtu)
return err;
netdev->mtu = new_mtu;
- err = ionic_reset_queues(lif);
+ err = ionic_reset_queues(lif, NULL, NULL);
return err;
}
@@ -1325,7 +1325,7 @@ static void ionic_tx_timeout_work(struct work_struct *ws)
netdev_info(lif->netdev, "Tx Timeout recovery\n");
rtnl_lock();
- ionic_reset_queues(lif);
+ ionic_reset_queues(lif, NULL, NULL);
rtnl_unlock();
}
@@ -1673,6 +1673,14 @@ int ionic_open(struct net_device *netdev)
if (err)
goto err_out;
+ err = netif_set_real_num_tx_queues(netdev, lif->nxqs);
+ if (err)
+ goto err_txrx_deinit;
+
+ err = netif_set_real_num_rx_queues(netdev, lif->nxqs);
+ if (err)
+ goto err_txrx_deinit;
+
/* don't start the queues until we have link */
if (netif_carrier_ok(netdev)) {
err = ionic_start_queues(lif);
@@ -1980,7 +1988,7 @@ static const struct net_device_ops ionic_netdev_ops = {
.ndo_get_vf_stats = ionic_get_vf_stats,
};
-int ionic_reset_queues(struct ionic_lif *lif)
+int ionic_reset_queues(struct ionic_lif *lif, ionic_reset_cb cb, void *arg)
{
bool running;
int err = 0;
@@ -1993,12 +2001,19 @@ int ionic_reset_queues(struct ionic_lif *lif)
if (running) {
netif_device_detach(lif->netdev);
err = ionic_stop(lif->netdev);
+ if (err)
+ goto reset_out;
}
- if (!err && running) {
- ionic_open(lif->netdev);
+
+ if (cb)
+ cb(lif, arg);
+
+ if (running) {
+ err = ionic_open(lif->netdev);
netif_device_attach(lif->netdev);
}
+reset_out:
clear_bit(IONIC_LIF_F_QUEUE_RESET, lif->state);
return err;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
index c3428034a17b..ed126dd74e01 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
@@ -248,6 +248,8 @@ static inline u32 ionic_coal_hw_to_usec(struct ionic *ionic, u32 units)
return (units * div) / mult;
}
+typedef void (*ionic_reset_cb)(struct ionic_lif *lif, void *arg);
+
void ionic_link_status_check_request(struct ionic_lif *lif);
void ionic_get_stats64(struct net_device *netdev,
struct rtnl_link_stats64 *ns);
@@ -267,7 +269,7 @@ int ionic_lif_rss_config(struct ionic_lif *lif, u16 types,
int ionic_open(struct net_device *netdev);
int ionic_stop(struct net_device *netdev);
-int ionic_reset_queues(struct ionic_lif *lif);
+int ionic_reset_queues(struct ionic_lif *lif, ionic_reset_cb cb, void *arg);
static inline void debug_stats_txq_post(struct ionic_qcq *qcq,
struct ionic_txq_desc *desc, bool dbell)
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
index a49743d56b9c..6c2f9ff4a53e 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -876,6 +876,8 @@ struct qed_dev {
struct qed_dbg_feature dbg_features[DBG_FEATURE_NUM];
u8 engine_for_debug;
bool disable_ilt_dump;
+ bool dbg_bin_dump;
+
DECLARE_HASHTABLE(connections, 10);
const struct firmware *firmware;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c
index 81e8fbe4a05b..3b9bbafafe68 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_debug.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c
@@ -7506,6 +7506,12 @@ static enum dbg_status format_feature(struct qed_hwfn *p_hwfn,
if (p_hwfn->cdev->print_dbg_data)
qed_dbg_print_feature(text_buf, text_size_bytes);
+ /* Just return the original binary buffer if requested */
+ if (p_hwfn->cdev->dbg_bin_dump) {
+ vfree(text_buf);
+ return DBG_STATUS_OK;
+ }
+
/* Free the old dump_buf and point the dump_buf to the newly allocagted
* and formatted text buffer.
*/
@@ -7733,7 +7739,9 @@ int qed_dbg_mcp_trace_size(struct qed_dev *cdev)
#define REGDUMP_HEADER_SIZE_SHIFT 0
#define REGDUMP_HEADER_SIZE_MASK 0xffffff
#define REGDUMP_HEADER_FEATURE_SHIFT 24
-#define REGDUMP_HEADER_FEATURE_MASK 0x3f
+#define REGDUMP_HEADER_FEATURE_MASK 0x1f
+#define REGDUMP_HEADER_BIN_DUMP_SHIFT 29
+#define REGDUMP_HEADER_BIN_DUMP_MASK 0x1
#define REGDUMP_HEADER_OMIT_ENGINE_SHIFT 30
#define REGDUMP_HEADER_OMIT_ENGINE_MASK 0x1
#define REGDUMP_HEADER_ENGINE_SHIFT 31
@@ -7771,6 +7779,7 @@ static u32 qed_calc_regdump_header(struct qed_dev *cdev,
feature, feature_size);
SET_FIELD(res, REGDUMP_HEADER_FEATURE, feature);
+ SET_FIELD(res, REGDUMP_HEADER_BIN_DUMP, 1);
SET_FIELD(res, REGDUMP_HEADER_OMIT_ENGINE, omit_engine);
SET_FIELD(res, REGDUMP_HEADER_ENGINE, engine);
@@ -7794,6 +7803,7 @@ int qed_dbg_all_data(struct qed_dev *cdev, void *buffer)
omit_engine = 1;
mutex_lock(&qed_dbg_lock);
+ cdev->dbg_bin_dump = true;
org_engine = qed_get_debug_engine(cdev);
for (cur_engine = 0; cur_engine < cdev->num_hwfns; cur_engine++) {
@@ -7931,6 +7941,10 @@ int qed_dbg_all_data(struct qed_dev *cdev, void *buffer)
DP_ERR(cdev, "qed_dbg_mcp_trace failed. rc = %d\n", rc);
}
+ /* Re-populate nvm attribute info */
+ qed_mcp_nvm_info_free(p_hwfn);
+ qed_mcp_nvm_info_populate(p_hwfn);
+
/* nvm cfg1 */
rc = qed_dbg_nvm_image(cdev,
(u8 *)buffer + offset +
@@ -7993,6 +8007,7 @@ int qed_dbg_all_data(struct qed_dev *cdev, void *buffer)
QED_NVM_IMAGE_MDUMP, "QED_NVM_IMAGE_MDUMP", rc);
}
+ cdev->dbg_bin_dump = false;
mutex_unlock(&qed_dbg_lock);
return 0;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 3aa51374e727..9c26fde663b3 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -4472,12 +4472,6 @@ static int qed_get_dev_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
return 0;
}
-static void qed_nvm_info_free(struct qed_hwfn *p_hwfn)
-{
- kfree(p_hwfn->nvm_info.image_att);
- p_hwfn->nvm_info.image_att = NULL;
-}
-
static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
void __iomem *p_regview,
void __iomem *p_doorbells,
@@ -4562,7 +4556,7 @@ static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
return rc;
err3:
if (IS_LEAD_HWFN(p_hwfn))
- qed_nvm_info_free(p_hwfn);
+ qed_mcp_nvm_info_free(p_hwfn);
err2:
if (IS_LEAD_HWFN(p_hwfn))
qed_iov_free_hw_info(p_hwfn->cdev);
@@ -4623,7 +4617,7 @@ int qed_hw_prepare(struct qed_dev *cdev,
if (rc) {
if (IS_PF(cdev)) {
qed_init_free(p_hwfn);
- qed_nvm_info_free(p_hwfn);
+ qed_mcp_nvm_info_free(p_hwfn);
qed_mcp_free(p_hwfn);
qed_hw_hwfn_free(p_hwfn);
}
@@ -4657,7 +4651,7 @@ void qed_hw_remove(struct qed_dev *cdev)
qed_iov_free_hw_info(cdev);
- qed_nvm_info_free(p_hwfn);
+ qed_mcp_nvm_info_free(p_hwfn);
}
static void qed_chain_free_next_ptr(struct qed_dev *cdev,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 9624616806e7..0fd4520d0666 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -3280,6 +3280,13 @@ err0:
return rc;
}
+void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn)
+{
+ kfree(p_hwfn->nvm_info.image_att);
+ p_hwfn->nvm_info.image_att = NULL;
+ p_hwfn->nvm_info.valid = false;
+}
+
int
qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
enum qed_nvm_images image_id,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.h b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
index 5750b4c5ef63..12a705ed4bac 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
@@ -1221,6 +1221,13 @@ void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn);
/**
+ * @brief Delete nvm info shadow in the given hardware function
+ *
+ * @param p_hwfn
+ */
+void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn);
+
+/**
* @brief Get the engine affinity configuration.
*
* @param p_hwfn
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
index 40efe60eff8d..fcdecddb2812 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
@@ -47,15 +47,23 @@ static int rmnet_unregister_real_device(struct net_device *real_dev)
return 0;
}
-static int rmnet_register_real_device(struct net_device *real_dev)
+static int rmnet_register_real_device(struct net_device *real_dev,
+ struct netlink_ext_ack *extack)
{
struct rmnet_port *port;
int rc, entry;
ASSERT_RTNL();
- if (rmnet_is_real_dev_registered(real_dev))
+ if (rmnet_is_real_dev_registered(real_dev)) {
+ port = rmnet_get_port_rtnl(real_dev);
+ if (port->rmnet_mode != RMNET_EPMODE_VND) {
+ NL_SET_ERR_MSG_MOD(extack, "bridge device already exists");
+ return -EINVAL;
+ }
+
return 0;
+ }
port = kzalloc(sizeof(*port), GFP_KERNEL);
if (!port)
@@ -133,7 +141,7 @@ static int rmnet_newlink(struct net *src_net, struct net_device *dev,
mux_id = nla_get_u16(data[IFLA_RMNET_MUX_ID]);
- err = rmnet_register_real_device(real_dev);
+ err = rmnet_register_real_device(real_dev, extack);
if (err)
goto err0;
@@ -422,7 +430,7 @@ int rmnet_add_bridge(struct net_device *rmnet_dev,
}
if (port->rmnet_mode != RMNET_EPMODE_VND) {
- NL_SET_ERR_MSG_MOD(extack, "bridge device already exists");
+ NL_SET_ERR_MSG_MOD(extack, "more than one bridge dev attached");
return -EINVAL;
}
@@ -433,7 +441,7 @@ int rmnet_add_bridge(struct net_device *rmnet_dev,
return -EBUSY;
}
- err = rmnet_register_real_device(slave_dev);
+ err = rmnet_register_real_device(slave_dev, extack);
if (err)
return -EBUSY;
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index 55226b264e3c..ac7e5a04c8ac 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -500,6 +500,13 @@ static int gsi_channel_stop_command(struct gsi_channel *channel)
int ret;
state = gsi_channel_state(channel);
+
+ /* Channel could have entered STOPPED state since last call
+ * if it timed out. If so, we're done.
+ */
+ if (state == GSI_CHANNEL_STATE_STOPPED)
+ return 0;
+
if (state != GSI_CHANNEL_STATE_STARTED &&
state != GSI_CHANNEL_STATE_STOP_IN_PROC)
return -EINVAL;
@@ -789,20 +796,11 @@ int gsi_channel_start(struct gsi *gsi, u32 channel_id)
int gsi_channel_stop(struct gsi *gsi, u32 channel_id)
{
struct gsi_channel *channel = &gsi->channel[channel_id];
- enum gsi_channel_state state;
u32 retries;
int ret;
gsi_channel_freeze(channel);
- /* Channel could have entered STOPPED state since last call if the
- * STOP command timed out. We won't stop a channel if stopping it
- * was successful previously (so we still want the freeze above).
- */
- state = gsi_channel_state(channel);
- if (state == GSI_CHANNEL_STATE_STOPPED)
- return 0;
-
/* RX channels might require a little time to enter STOPPED state */
retries = channel->toward_ipa ? 0 : GSI_CHANNEL_STOP_RX_RETRIES;
diff --git a/drivers/net/ipa/ipa_cmd.c b/drivers/net/ipa/ipa_cmd.c
index c9ab865e7290..d92dd3f09b73 100644
--- a/drivers/net/ipa/ipa_cmd.c
+++ b/drivers/net/ipa/ipa_cmd.c
@@ -586,6 +586,21 @@ u32 ipa_cmd_tag_process_count(void)
return 4;
}
+void ipa_cmd_tag_process(struct ipa *ipa)
+{
+ u32 count = ipa_cmd_tag_process_count();
+ struct gsi_trans *trans;
+
+ trans = ipa_cmd_trans_alloc(ipa, count);
+ if (trans) {
+ ipa_cmd_tag_process_add(trans);
+ gsi_trans_commit_wait(trans);
+ } else {
+ dev_err(&ipa->pdev->dev,
+ "error allocating %u entry tag transaction\n", count);
+ }
+}
+
static struct ipa_cmd_info *
ipa_cmd_info_alloc(struct ipa_endpoint *endpoint, u32 tre_count)
{
diff --git a/drivers/net/ipa/ipa_cmd.h b/drivers/net/ipa/ipa_cmd.h
index e440aa69c8b5..1a646e0264a0 100644
--- a/drivers/net/ipa/ipa_cmd.h
+++ b/drivers/net/ipa/ipa_cmd.h
@@ -172,6 +172,14 @@ void ipa_cmd_tag_process_add(struct gsi_trans *trans);
u32 ipa_cmd_tag_process_count(void);
/**
+ * ipa_cmd_tag_process() - Perform a tag process
+ *
+ * @Return: The number of elements to allocate in a transaction
+ * to hold tag process commands
+ */
+void ipa_cmd_tag_process(struct ipa *ipa);
+
+/**
* ipa_cmd_trans_alloc() - Allocate a transaction for the command TX endpoint
* @ipa: IPA pointer
* @tre_count: Number of elements in the transaction
diff --git a/drivers/net/ipa/ipa_data-sdm845.c b/drivers/net/ipa/ipa_data-sdm845.c
index 52d4b84e0dac..de2768d71ab5 100644
--- a/drivers/net/ipa/ipa_data-sdm845.c
+++ b/drivers/net/ipa/ipa_data-sdm845.c
@@ -44,7 +44,6 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.endpoint = {
.seq_type = IPA_SEQ_INVALID,
.config = {
- .checksum = true,
.aggregation = true,
.status_enable = true,
.rx = {
diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
index 9f50d0d11704..9e58e495d373 100644
--- a/drivers/net/ipa/ipa_endpoint.c
+++ b/drivers/net/ipa/ipa_endpoint.c
@@ -1450,6 +1450,8 @@ void ipa_endpoint_suspend(struct ipa *ipa)
if (ipa->modem_netdev)
ipa_modem_suspend(ipa->modem_netdev);
+ ipa_cmd_tag_process(ipa);
+
ipa_endpoint_suspend_one(ipa->name_map[IPA_ENDPOINT_AP_LAN_RX]);
ipa_endpoint_suspend_one(ipa->name_map[IPA_ENDPOINT_AP_COMMAND_TX]);
}
diff --git a/drivers/net/ipa/ipa_gsi.c b/drivers/net/ipa/ipa_gsi.c
index dc4a5c2196ae..d323adb03383 100644
--- a/drivers/net/ipa/ipa_gsi.c
+++ b/drivers/net/ipa/ipa_gsi.c
@@ -6,6 +6,7 @@
#include <linux/types.h>
+#include "ipa_gsi.h"
#include "gsi_trans.h"
#include "ipa.h"
#include "ipa_endpoint.h"
diff --git a/drivers/net/ipa/ipa_gsi.h b/drivers/net/ipa/ipa_gsi.h
index 3cf18600c68e..0a40f3dc55fc 100644
--- a/drivers/net/ipa/ipa_gsi.h
+++ b/drivers/net/ipa/ipa_gsi.h
@@ -8,7 +8,9 @@
#include <linux/types.h>
+struct gsi;
struct gsi_trans;
+struct ipa_gsi_endpoint_data;
/**
* ipa_gsi_trans_complete() - GSI transaction completion callback
diff --git a/drivers/net/ipa/ipa_qmi_msg.c b/drivers/net/ipa/ipa_qmi_msg.c
index 03a1d0e55964..73413371e3d3 100644
--- a/drivers/net/ipa/ipa_qmi_msg.c
+++ b/drivers/net/ipa/ipa_qmi_msg.c
@@ -119,7 +119,7 @@ struct qmi_elem_info ipa_driver_init_complete_rsp_ei[] = {
sizeof_field(struct ipa_driver_init_complete_rsp,
rsp),
.tlv_type = 0x02,
- .elem_size = offsetof(struct ipa_driver_init_complete_rsp,
+ .offset = offsetof(struct ipa_driver_init_complete_rsp,
rsp),
.ei_array = qmi_response_type_v01_ei,
},
@@ -137,7 +137,7 @@ struct qmi_elem_info ipa_init_complete_ind_ei[] = {
sizeof_field(struct ipa_init_complete_ind,
status),
.tlv_type = 0x02,
- .elem_size = offsetof(struct ipa_init_complete_ind,
+ .offset = offsetof(struct ipa_init_complete_ind,
status),
.ei_array = qmi_response_type_v01_ei,
},
@@ -218,7 +218,7 @@ struct qmi_elem_info ipa_init_modem_driver_req_ei[] = {
sizeof_field(struct ipa_init_modem_driver_req,
platform_type_valid),
.tlv_type = 0x10,
- .elem_size = offsetof(struct ipa_init_modem_driver_req,
+ .offset = offsetof(struct ipa_init_modem_driver_req,
platform_type_valid),
},
{
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index e56547bfdac9..9159846b8b93 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -4052,9 +4052,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
return err;
netdev_lockdep_set_classes(dev);
- lockdep_set_class_and_subclass(&dev->addr_list_lock,
- &macsec_netdev_addr_lock_key,
- dev->lower_level);
+ lockdep_set_class(&dev->addr_list_lock,
+ &macsec_netdev_addr_lock_key);
err = netdev_upper_dev_link(real_dev, dev, extack);
if (err < 0)
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 6a6cc9f75307..4942f6112e51 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -880,9 +880,8 @@ static struct lock_class_key macvlan_netdev_addr_lock_key;
static void macvlan_set_lockdep_class(struct net_device *dev)
{
netdev_lockdep_set_classes(dev);
- lockdep_set_class_and_subclass(&dev->addr_list_lock,
- &macvlan_netdev_addr_lock_key,
- dev->lower_level);
+ lockdep_set_class(&dev->addr_list_lock,
+ &macvlan_netdev_addr_lock_key);
}
static int macvlan_init(struct net_device *dev)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 858b012074bd..7adeb91bd368 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -62,6 +62,7 @@
#include <net/rtnetlink.h>
#include <net/sock.h>
#include <net/xdp.h>
+#include <net/ip_tunnels.h>
#include <linux/seq_file.h>
#include <linux/uio.h>
#include <linux/skb_array.h>
@@ -1351,6 +1352,7 @@ static void tun_net_init(struct net_device *dev)
switch (tun->flags & TUN_TYPE_MASK) {
case IFF_TUN:
dev->netdev_ops = &tun_netdev_ops;
+ dev->header_ops = &ip_tunnel_header_ops;
/* Point-to-Point TUN Device */
dev->hard_header_len = 0;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 31b1d4b959f6..07c42c0719f5 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1370,6 +1370,7 @@ static const struct usb_device_id products[] = {
{QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */
{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */
{QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */
+ {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */
{QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */
{QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */
{QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 3cf4dc3433f9..bb4ccbda031a 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1287,11 +1287,14 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
/* Init all registers */
ret = smsc95xx_reset(dev);
+ if (ret)
+ goto free_pdata;
/* detect device revision as different features may be available */
ret = smsc95xx_read_reg(dev, ID_REV, &val);
if (ret < 0)
- return ret;
+ goto free_pdata;
+
val >>= 16;
pdata->chip_id = val;
pdata->mdix_ctrl = get_mdix_status(dev->net);
@@ -1317,6 +1320,10 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
return 0;
+
+free_pdata:
+ kfree(pdata);
+ return ret;
}
static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index e30d91a38cfb..284832314f31 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -303,7 +303,6 @@ static void lapbeth_setup(struct net_device *dev)
dev->netdev_ops = &lapbeth_netdev_ops;
dev->needs_free_netdev = true;
dev->type = ARPHRD_X25;
- dev->hard_header_len = 3;
dev->mtu = 1000;
dev->addr_len = 0;
}
@@ -324,6 +323,14 @@ static int lapbeth_new_device(struct net_device *dev)
if (!ndev)
goto out;
+ /* When transmitting data:
+ * first this driver removes a pseudo header of 1 byte,
+ * then the lapb module prepends an LAPB header of at most 3 bytes,
+ * then this driver prepends a length field of 2 bytes,
+ * then the underlying Ethernet device prepends its own header.
+ */
+ ndev->hard_header_len = -1 + 3 + 2 + dev->hard_header_len;
+
lapbeth = netdev_priv(ndev);
lapbeth->axdev = ndev;
diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c
index a8f151b1b5fa..c9f65e96ccb0 100644
--- a/drivers/net/wireguard/device.c
+++ b/drivers/net/wireguard/device.c
@@ -262,6 +262,7 @@ static void wg_setup(struct net_device *dev)
max(sizeof(struct ipv6hdr), sizeof(struct iphdr));
dev->netdev_ops = &netdev_ops;
+ dev->header_ops = &ip_tunnel_header_ops;
dev->hard_header_len = 0;
dev->addr_len = 0;
dev->needed_headroom = DATA_PACKET_HEAD_ROOM;
diff --git a/drivers/net/wireguard/queueing.h b/drivers/net/wireguard/queueing.h
index c58df439dbbe..dfb674e03076 100644
--- a/drivers/net/wireguard/queueing.h
+++ b/drivers/net/wireguard/queueing.h
@@ -11,6 +11,7 @@
#include <linux/skbuff.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
+#include <net/ip_tunnels.h>
struct wg_device;
struct wg_peer;
@@ -65,25 +66,9 @@ struct packet_cb {
#define PACKET_CB(skb) ((struct packet_cb *)((skb)->cb))
#define PACKET_PEER(skb) (PACKET_CB(skb)->keypair->entry.peer)
-/* Returns either the correct skb->protocol value, or 0 if invalid. */
-static inline __be16 wg_examine_packet_protocol(struct sk_buff *skb)
-{
- if (skb_network_header(skb) >= skb->head &&
- (skb_network_header(skb) + sizeof(struct iphdr)) <=
- skb_tail_pointer(skb) &&
- ip_hdr(skb)->version == 4)
- return htons(ETH_P_IP);
- if (skb_network_header(skb) >= skb->head &&
- (skb_network_header(skb) + sizeof(struct ipv6hdr)) <=
- skb_tail_pointer(skb) &&
- ipv6_hdr(skb)->version == 6)
- return htons(ETH_P_IPV6);
- return 0;
-}
-
static inline bool wg_check_packet_protocol(struct sk_buff *skb)
{
- __be16 real_protocol = wg_examine_packet_protocol(skb);
+ __be16 real_protocol = ip_tunnel_parse_protocol(skb);
return real_protocol && skb->protocol == real_protocol;
}
diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index 9b2ab6fc91cd..2c9551ea6dc7 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -387,7 +387,7 @@ static void wg_packet_consume_data_done(struct wg_peer *peer,
*/
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->csum_level = ~0; /* All levels */
- skb->protocol = wg_examine_packet_protocol(skb);
+ skb->protocol = ip_tunnel_parse_protocol(skb);
if (skb->protocol == htons(ETH_P_IP)) {
len = ntohs(ip_hdr(skb)->tot_len);
if (unlikely(len < sizeof(struct iphdr)))
diff --git a/drivers/nvdimm/security.c b/drivers/nvdimm/security.c
index 89b85970912d..4cef69bd3c1b 100644
--- a/drivers/nvdimm/security.c
+++ b/drivers/nvdimm/security.c
@@ -95,7 +95,7 @@ static struct key *nvdimm_lookup_user_key(struct nvdimm *nvdimm,
struct encrypted_key_payload *epayload;
struct device *dev = &nvdimm->dev;
- keyref = lookup_user_key(id, 0, 0);
+ keyref = lookup_user_key(id, 0, KEY_NEED_SEARCH);
if (IS_ERR(keyref))
return NULL;
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 28f4388c1337..8410d03b940d 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1116,10 +1116,16 @@ static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid,
dev_warn(ctrl->device,
"Identify Descriptors failed (%d)\n", status);
/*
- * Don't treat an error as fatal, as we potentially already
- * have a NGUID or EUI-64.
+ * Don't treat non-retryable errors as fatal, as we potentially
+ * already have a NGUID or EUI-64. If we failed with DNR set,
+ * we want to silently ignore the error as we can still
+ * identify the device, but if the status has DNR set, we want
+ * to propagate the error back specifically for the disk
+ * revalidation flow to make sure we don't abandon the
+ * device just because of a temporal retry-able error (such
+ * as path of transport errors).
*/
- if (status > 0 && !(status & NVME_SC_DNR))
+ if (status > 0 && (status & NVME_SC_DNR))
status = 0;
goto free_data;
}
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 18d084ed497e..66509472fe06 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -672,10 +672,11 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id)
}
if (bdi_cap_stable_pages_required(ns->queue->backing_dev_info)) {
- struct backing_dev_info *info =
- ns->head->disk->queue->backing_dev_info;
+ struct gendisk *disk = ns->head->disk;
- info->capabilities |= BDI_CAP_STABLE_WRITES;
+ if (disk)
+ disk->queue->backing_dev_info->capabilities |=
+ BDI_CAP_STABLE_WRITES;
}
}
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index 0ff7c55173da..615174a9d1e0 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -800,6 +800,21 @@ static void byt_gpio_disable_free(struct pinctrl_dev *pctl_dev,
pm_runtime_put(vg->dev);
}
+static void byt_gpio_direct_irq_check(struct intel_pinctrl *vg,
+ unsigned int offset)
+{
+ void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
+
+ /*
+ * Before making any direction modifications, do a check if gpio is set
+ * for direct IRQ. On Bay Trail, setting GPIO to output does not make
+ * sense, so let's at least inform the caller before they shoot
+ * themselves in the foot.
+ */
+ if (readl(conf_reg) & BYT_DIRECT_IRQ_EN)
+ dev_info_once(vg->dev, "Potential Error: Setting GPIO with direct_irq_en to output");
+}
+
static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev,
struct pinctrl_gpio_range *range,
unsigned int offset,
@@ -807,7 +822,6 @@ static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev,
{
struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctl_dev);
void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
- void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
unsigned long flags;
u32 value;
@@ -817,14 +831,8 @@ static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev,
value &= ~BYT_DIR_MASK;
if (input)
value |= BYT_OUTPUT_EN;
- else if (readl(conf_reg) & BYT_DIRECT_IRQ_EN)
- /*
- * Before making any direction modifications, do a check if gpio
- * is set for direct IRQ. On baytrail, setting GPIO to output
- * does not make sense, so let's at least inform the caller before
- * they shoot themselves in the foot.
- */
- dev_info_once(vg->dev, "Potential Error: Setting GPIO with direct_irq_en to output");
+ else
+ byt_gpio_direct_irq_check(vg, offset);
writel(value, val_reg);
@@ -1165,19 +1173,50 @@ static int byt_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
{
- return pinctrl_gpio_direction_input(chip->base + offset);
+ struct intel_pinctrl *vg = gpiochip_get_data(chip);
+ void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+ unsigned long flags;
+ u32 reg;
+
+ raw_spin_lock_irqsave(&byt_lock, flags);
+
+ reg = readl(val_reg);
+ reg &= ~BYT_DIR_MASK;
+ reg |= BYT_OUTPUT_EN;
+ writel(reg, val_reg);
+
+ raw_spin_unlock_irqrestore(&byt_lock, flags);
+ return 0;
}
+/*
+ * Note despite the temptation this MUST NOT be converted into a call to
+ * pinctrl_gpio_direction_output() + byt_gpio_set() that does not work this
+ * MUST be done as a single BYT_VAL_REG register write.
+ * See the commit message of the commit adding this comment for details.
+ */
static int byt_gpio_direction_output(struct gpio_chip *chip,
unsigned int offset, int value)
{
- int ret = pinctrl_gpio_direction_output(chip->base + offset);
+ struct intel_pinctrl *vg = gpiochip_get_data(chip);
+ void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+ unsigned long flags;
+ u32 reg;
- if (ret)
- return ret;
+ raw_spin_lock_irqsave(&byt_lock, flags);
+
+ byt_gpio_direct_irq_check(vg, offset);
- byt_gpio_set(chip, offset, value);
+ reg = readl(val_reg);
+ reg &= ~BYT_DIR_MASK;
+ if (value)
+ reg |= BYT_LEVEL;
+ else
+ reg &= ~BYT_LEVEL;
+ writel(reg, val_reg);
+
+ raw_spin_unlock_irqrestore(&byt_lock, flags);
return 0;
}
diff --git a/drivers/pinctrl/pinctrl-amd.h b/drivers/pinctrl/pinctrl-amd.h
index 3e5760f1a715..d4a192df5fab 100644
--- a/drivers/pinctrl/pinctrl-amd.h
+++ b/drivers/pinctrl/pinctrl-amd.h
@@ -252,7 +252,7 @@ static const struct amd_pingroup kerncz_groups[] = {
{
.name = "uart0",
.pins = uart0_pins,
- .npins = 9,
+ .npins = 5,
},
{
.name = "uart1",
diff --git a/drivers/s390/cio/vfio_ccw_chp.c b/drivers/s390/cio/vfio_ccw_chp.c
index a646fc81c872..13b26a1c7988 100644
--- a/drivers/s390/cio/vfio_ccw_chp.c
+++ b/drivers/s390/cio/vfio_ccw_chp.c
@@ -8,6 +8,7 @@
* Eric Farman <farman@linux.ibm.com>
*/
+#include <linux/slab.h>
#include <linux/vfio.h>
#include "vfio_ccw_private.h"
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 773c45af9387..278d15ff1c5a 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -133,8 +133,10 @@ struct fc_rport_priv *fc_rport_create(struct fc_lport *lport, u32 port_id)
lockdep_assert_held(&lport->disc.disc_mutex);
rdata = fc_rport_lookup(lport, port_id);
- if (rdata)
+ if (rdata) {
+ kref_put(&rdata->kref, fc_rport_destroy);
return rdata;
+ }
if (lport->rport_priv_size > 0)
rport_priv_size = lport->rport_priv_size;
@@ -481,10 +483,11 @@ static void fc_rport_enter_delete(struct fc_rport_priv *rdata,
fc_rport_state_enter(rdata, RPORT_ST_DELETE);
- kref_get(&rdata->kref);
- if (rdata->event == RPORT_EV_NONE &&
- !queue_work(rport_event_queue, &rdata->event_work))
- kref_put(&rdata->kref, fc_rport_destroy);
+ if (rdata->event == RPORT_EV_NONE) {
+ kref_get(&rdata->kref);
+ if (!queue_work(rport_event_queue, &rdata->event_work))
+ kref_put(&rdata->kref, fc_rport_destroy);
+ }
rdata->event = event;
}
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index e5a64d4f255c..49c8a1818baf 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2629,7 +2629,7 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
"iscsi_q_%d", shost->host_no);
ihost->workq = alloc_workqueue("%s",
WQ_SYSFS | __WQ_LEGACY | WQ_MEM_RECLAIM | WQ_UNBOUND,
- 2, ihost->workq_name);
+ 1, ihost->workq_name);
if (!ihost->workq)
goto free_host;
}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index 62e552838565..983e568ff231 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -3145,19 +3145,18 @@ BRM_status_show(struct device *cdev, struct device_attribute *attr,
if (!ioc->is_warpdrive) {
ioc_err(ioc, "%s: BRM attribute is only for warpdrive\n",
__func__);
- goto out;
+ return 0;
}
/* pci_access_mutex lock acquired by sysfs show path */
mutex_lock(&ioc->pci_access_mutex);
- if (ioc->pci_error_recovery || ioc->remove_host) {
- mutex_unlock(&ioc->pci_access_mutex);
- return 0;
- }
+ if (ioc->pci_error_recovery || ioc->remove_host)
+ goto out;
/* allocate upto GPIOVal 36 entries */
sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36);
io_unit_pg3 = kzalloc(sz, GFP_KERNEL);
if (!io_unit_pg3) {
+ rc = -ENOMEM;
ioc_err(ioc, "%s: failed allocating memory for iounit_pg3: (%d) bytes\n",
__func__, sz);
goto out;
@@ -3167,6 +3166,7 @@ BRM_status_show(struct device *cdev, struct device_attribute *attr,
0) {
ioc_err(ioc, "%s: failed reading iounit_pg3\n",
__func__);
+ rc = -EINVAL;
goto out;
}
@@ -3174,12 +3174,14 @@ BRM_status_show(struct device *cdev, struct device_attribute *attr,
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
ioc_err(ioc, "%s: iounit_pg3 failed with ioc_status(0x%04x)\n",
__func__, ioc_status);
+ rc = -EINVAL;
goto out;
}
if (io_unit_pg3->GPIOCount < 25) {
ioc_err(ioc, "%s: iounit_pg3->GPIOCount less than 25 entries, detected (%d) entries\n",
__func__, io_unit_pg3->GPIOCount);
+ rc = -EINVAL;
goto out;
}
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 4576d3ae9937..2436a17f5cd9 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -5944,7 +5944,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
break;
}
- if (NVME_TARGET(vha->hw, fcport)) {
+ if (found && NVME_TARGET(vha->hw, fcport)) {
if (fcport->disc_state == DSC_DELETE_PEND) {
qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
vha->fcport_count--;
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index eed31021e788..ba84244c1b4f 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -239,6 +239,7 @@ static struct {
{"LSI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
{"ENGENIO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
{"LENOVO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
+ {"FUJITSU", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
{"SanDisk", "Cruzer Blade", NULL, BLIST_TRY_VPD_PAGES |
BLIST_INQUIRY_36},
{"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c
index 42f0550d6b11..6f41e4b5a2b8 100644
--- a/drivers/scsi/scsi_dh.c
+++ b/drivers/scsi/scsi_dh.c
@@ -63,6 +63,7 @@ static const struct scsi_dh_blist scsi_dh_blist[] = {
{"LSI", "INF-01-00", "rdac", },
{"ENGENIO", "INF-01-00", "rdac", },
{"LENOVO", "DE_Series", "rdac", },
+ {"FUJITSU", "ETERNUS_AHB", "rdac", },
{NULL, NULL, NULL },
};
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index f4cc08eb47ba..7ae5024e7824 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -4760,7 +4760,7 @@ static __init int iscsi_transport_init(void)
iscsi_eh_timer_workq = alloc_workqueue("%s",
WQ_SYSFS | __WQ_LEGACY | WQ_MEM_RECLAIM | WQ_UNBOUND,
- 2, "iscsi_eh");
+ 1, "iscsi_eh");
if (!iscsi_eh_timer_workq) {
err = -ENOMEM;
goto release_nls;
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index f8661062ef95..f3d5b1bbd5aa 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -339,7 +339,7 @@ store_spi_transport_##field(struct device *dev, \
struct spi_transport_attrs *tp \
= (struct spi_transport_attrs *)&starget->starget_data; \
\
- if (i->f->set_##field) \
+ if (!i->f->set_##field) \
return -EINVAL; \
val = simple_strtoul(buf, NULL, 0); \
if (val > tp->max_##field) \
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 58190c94561f..91c6affe139c 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -1109,6 +1109,8 @@ static int dspi_suspend(struct device *dev)
struct spi_controller *ctlr = dev_get_drvdata(dev);
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
+ if (dspi->irq)
+ disable_irq(dspi->irq);
spi_controller_suspend(ctlr);
clk_disable_unprepare(dspi->clk);
@@ -1129,6 +1131,8 @@ static int dspi_resume(struct device *dev)
if (ret)
return ret;
spi_controller_resume(ctlr);
+ if (dspi->irq)
+ enable_irq(dspi->irq);
return 0;
}
@@ -1385,22 +1389,22 @@ static int dspi_probe(struct platform_device *pdev)
goto poll_mode;
}
- ret = devm_request_irq(&pdev->dev, dspi->irq, dspi_interrupt,
- IRQF_SHARED, pdev->name, dspi);
+ init_completion(&dspi->xfer_done);
+
+ ret = request_threaded_irq(dspi->irq, dspi_interrupt, NULL,
+ IRQF_SHARED, pdev->name, dspi);
if (ret < 0) {
dev_err(&pdev->dev, "Unable to attach DSPI interrupt\n");
goto out_clk_put;
}
- init_completion(&dspi->xfer_done);
-
poll_mode:
if (dspi->devtype_data->trans_mode == DSPI_DMA_MODE) {
ret = dspi_request_dma(dspi, res->start);
if (ret < 0) {
dev_err(&pdev->dev, "can't get dma channels\n");
- goto out_clk_put;
+ goto out_free_irq;
}
}
@@ -1415,11 +1419,14 @@ poll_mode:
ret = spi_register_controller(ctlr);
if (ret != 0) {
dev_err(&pdev->dev, "Problem registering DSPI ctlr\n");
- goto out_clk_put;
+ goto out_free_irq;
}
return ret;
+out_free_irq:
+ if (dspi->irq)
+ free_irq(dspi->irq, dspi);
out_clk_put:
clk_disable_unprepare(dspi->clk);
out_ctlr_put:
@@ -1434,18 +1441,8 @@ static int dspi_remove(struct platform_device *pdev)
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
/* Disconnect from the SPI framework */
- dspi_release_dma(dspi);
- clk_disable_unprepare(dspi->clk);
spi_unregister_controller(dspi->ctlr);
- return 0;
-}
-
-static void dspi_shutdown(struct platform_device *pdev)
-{
- struct spi_controller *ctlr = platform_get_drvdata(pdev);
- struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
-
/* Disable RX and TX */
regmap_update_bits(dspi->regmap, SPI_MCR,
SPI_MCR_DIS_TXF | SPI_MCR_DIS_RXF,
@@ -1455,8 +1452,16 @@ static void dspi_shutdown(struct platform_device *pdev)
regmap_update_bits(dspi->regmap, SPI_MCR, SPI_MCR_HALT, SPI_MCR_HALT);
dspi_release_dma(dspi);
+ if (dspi->irq)
+ free_irq(dspi->irq, dspi);
clk_disable_unprepare(dspi->clk);
- spi_unregister_controller(dspi->ctlr);
+
+ return 0;
+}
+
+static void dspi_shutdown(struct platform_device *pdev)
+{
+ dspi_remove(pdev);
}
static struct platform_driver fsl_dspi_driver = {
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 6721910e5f2a..0040362b7162 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1485,6 +1485,11 @@ static const struct pci_device_id pxa2xx_spi_pci_compound_match[] = {
{ PCI_VDEVICE(INTEL, 0x4daa), LPSS_CNL_SSP },
{ PCI_VDEVICE(INTEL, 0x4dab), LPSS_CNL_SSP },
{ PCI_VDEVICE(INTEL, 0x4dfb), LPSS_CNL_SSP },
+ /* TGL-H */
+ { PCI_VDEVICE(INTEL, 0x43aa), LPSS_CNL_SSP },
+ { PCI_VDEVICE(INTEL, 0x43ab), LPSS_CNL_SSP },
+ { PCI_VDEVICE(INTEL, 0x43fb), LPSS_CNL_SSP },
+ { PCI_VDEVICE(INTEL, 0x43fd), LPSS_CNL_SSP },
/* APL */
{ PCI_VDEVICE(INTEL, 0x5ac2), LPSS_BXT_SSP },
{ PCI_VDEVICE(INTEL, 0x5ac4), LPSS_BXT_SSP },
diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c
index 9e124020519f..6c0e1b053126 100644
--- a/drivers/thermal/cpufreq_cooling.c
+++ b/drivers/thermal/cpufreq_cooling.c
@@ -123,12 +123,12 @@ static u32 cpu_power_to_freq(struct cpufreq_cooling_device *cpufreq_cdev,
{
int i;
- for (i = cpufreq_cdev->max_level - 1; i >= 0; i--) {
- if (power > cpufreq_cdev->em->table[i].power)
+ for (i = cpufreq_cdev->max_level; i >= 0; i--) {
+ if (power >= cpufreq_cdev->em->table[i].power)
break;
}
- return cpufreq_cdev->em->table[i + 1].frequency;
+ return cpufreq_cdev->em->table[i].frequency;
}
/**
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index e761c9b42217..1b84ea674edb 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -649,7 +649,7 @@ MODULE_DEVICE_TABLE(of, of_imx_thermal_match);
static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
{
struct device_node *np;
- int ret;
+ int ret = 0;
data->policy = cpufreq_cpu_get(0);
if (!data->policy) {
@@ -664,11 +664,12 @@ static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
if (IS_ERR(data->cdev)) {
ret = PTR_ERR(data->cdev);
cpufreq_cpu_put(data->policy);
- return ret;
}
}
- return 0;
+ of_node_put(np);
+
+ return ret;
}
static void imx_thermal_unregister_legacy_cooling(struct imx_thermal_data *data)
diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
index 76e30603d4d5..6b7ef1993d7e 100644
--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -211,6 +211,9 @@ enum {
/* The total number of temperature sensors in the MT8183 */
#define MT8183_NUM_SENSORS 6
+/* The number of banks in the MT8183 */
+#define MT8183_NUM_ZONES 1
+
/* The number of sensing points per bank */
#define MT8183_NUM_SENSORS_PER_ZONE 6
@@ -497,7 +500,7 @@ static const struct mtk_thermal_data mt7622_thermal_data = {
*/
static const struct mtk_thermal_data mt8183_thermal_data = {
.auxadc_channel = MT8183_TEMP_AUXADC_CHANNEL,
- .num_banks = MT8183_NUM_SENSORS_PER_ZONE,
+ .num_banks = MT8183_NUM_ZONES,
.num_sensors = MT8183_NUM_SENSORS,
.vts_index = mt8183_vts_index,
.cali_val = MT8183_CALIBRATION,
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 8d3e94d2a9ed..39c4462e38f6 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -382,7 +382,7 @@ static inline u32 masked_irq(u32 hw_id, u32 mask, enum tsens_ver ver)
*
* Return: IRQ_HANDLED
*/
-irqreturn_t tsens_critical_irq_thread(int irq, void *data)
+static irqreturn_t tsens_critical_irq_thread(int irq, void *data)
{
struct tsens_priv *priv = data;
struct tsens_irq_data d;
@@ -452,7 +452,7 @@ irqreturn_t tsens_critical_irq_thread(int irq, void *data)
*
* Return: IRQ_HANDLED
*/
-irqreturn_t tsens_irq_thread(int irq, void *data)
+static irqreturn_t tsens_irq_thread(int irq, void *data)
{
struct tsens_priv *priv = data;
struct tsens_irq_data d;
@@ -520,7 +520,7 @@ irqreturn_t tsens_irq_thread(int irq, void *data)
return IRQ_HANDLED;
}
-int tsens_set_trips(void *_sensor, int low, int high)
+static int tsens_set_trips(void *_sensor, int low, int high)
{
struct tsens_sensor *s = _sensor;
struct tsens_priv *priv = s->priv;
@@ -557,7 +557,7 @@ int tsens_set_trips(void *_sensor, int low, int high)
return 0;
}
-int tsens_enable_irq(struct tsens_priv *priv)
+static int tsens_enable_irq(struct tsens_priv *priv)
{
int ret;
int val = tsens_version(priv) > VER_1_X ? 7 : 1;
@@ -570,7 +570,7 @@ int tsens_enable_irq(struct tsens_priv *priv)
return ret;
}
-void tsens_disable_irq(struct tsens_priv *priv)
+static void tsens_disable_irq(struct tsens_priv *priv)
{
regmap_field_write(priv->rf[INT_EN], 0);
}
diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c
index 58fe7c1ef00b..c48c5e9b8f20 100644
--- a/drivers/thermal/rcar_gen3_thermal.c
+++ b/drivers/thermal/rcar_gen3_thermal.c
@@ -167,7 +167,7 @@ static int rcar_gen3_thermal_get_temp(void *devdata, int *temp)
{
struct rcar_gen3_thermal_tsc *tsc = devdata;
int mcelsius, val;
- u32 reg;
+ int reg;
/* Read register and convert to mili Celsius */
reg = rcar_gen3_thermal_read(tsc, REG_GEN3_TEMP) & CTEMP_MASK;
diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index a340374e8c51..4cde70dcf655 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -348,8 +348,8 @@ static int sprd_thm_probe(struct platform_device *pdev)
thm->var_data = pdata;
thm->base = devm_platform_ioremap_resource(pdev, 0);
- if (!thm->base)
- return -ENOMEM;
+ if (IS_ERR(thm->base))
+ return PTR_ERR(thm->base);
thm->nr_sensors = of_get_child_count(np);
if (thm->nr_sensors == 0 || thm->nr_sensors > SPRD_THM_MAX_SENSOR) {
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 040d2a43e8e3..786fbb7d8be0 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -69,11 +69,27 @@ struct xenbus_map_node {
unsigned int nr_handles;
};
+struct map_ring_valloc {
+ struct xenbus_map_node *node;
+
+ /* Why do we need two arrays? See comment of __xenbus_map_ring */
+ union {
+ unsigned long addrs[XENBUS_MAX_RING_GRANTS];
+ pte_t *ptes[XENBUS_MAX_RING_GRANTS];
+ };
+ phys_addr_t phys_addrs[XENBUS_MAX_RING_GRANTS];
+
+ struct gnttab_map_grant_ref map[XENBUS_MAX_RING_GRANTS];
+ struct gnttab_unmap_grant_ref unmap[XENBUS_MAX_RING_GRANTS];
+
+ unsigned int idx; /* HVM only. */
+};
+
static DEFINE_SPINLOCK(xenbus_valloc_lock);
static LIST_HEAD(xenbus_valloc_pages);
struct xenbus_ring_ops {
- int (*map)(struct xenbus_device *dev,
+ int (*map)(struct xenbus_device *dev, struct map_ring_valloc *info,
grant_ref_t *gnt_refs, unsigned int nr_grefs,
void **vaddr);
int (*unmap)(struct xenbus_device *dev, void *vaddr);
@@ -440,8 +456,7 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn);
* Map @nr_grefs pages of memory into this domain from another
* domain's grant table. xenbus_map_ring_valloc allocates @nr_grefs
* pages of virtual address space, maps the pages to that address, and
- * sets *vaddr to that address. Returns 0 on success, and GNTST_*
- * (see xen/include/interface/grant_table.h) or -ENOMEM / -EINVAL on
+ * sets *vaddr to that address. Returns 0 on success, and -errno on
* error. If an error is returned, device will switch to
* XenbusStateClosing and the error message will be saved in XenStore.
*/
@@ -449,12 +464,25 @@ int xenbus_map_ring_valloc(struct xenbus_device *dev, grant_ref_t *gnt_refs,
unsigned int nr_grefs, void **vaddr)
{
int err;
+ struct map_ring_valloc *info;
+
+ *vaddr = NULL;
+
+ if (nr_grefs > XENBUS_MAX_RING_GRANTS)
+ return -EINVAL;
+
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
- err = ring_ops->map(dev, gnt_refs, nr_grefs, vaddr);
- /* Some hypervisors are buggy and can return 1. */
- if (err > 0)
- err = GNTST_general_error;
+ info->node = kzalloc(sizeof(*info->node), GFP_KERNEL);
+ if (!info->node)
+ err = -ENOMEM;
+ else
+ err = ring_ops->map(dev, info, gnt_refs, nr_grefs, vaddr);
+ kfree(info->node);
+ kfree(info);
return err;
}
EXPORT_SYMBOL_GPL(xenbus_map_ring_valloc);
@@ -466,62 +494,57 @@ static int __xenbus_map_ring(struct xenbus_device *dev,
grant_ref_t *gnt_refs,
unsigned int nr_grefs,
grant_handle_t *handles,
- phys_addr_t *addrs,
+ struct map_ring_valloc *info,
unsigned int flags,
bool *leaked)
{
- struct gnttab_map_grant_ref map[XENBUS_MAX_RING_GRANTS];
- struct gnttab_unmap_grant_ref unmap[XENBUS_MAX_RING_GRANTS];
int i, j;
- int err = GNTST_okay;
if (nr_grefs > XENBUS_MAX_RING_GRANTS)
return -EINVAL;
for (i = 0; i < nr_grefs; i++) {
- memset(&map[i], 0, sizeof(map[i]));
- gnttab_set_map_op(&map[i], addrs[i], flags, gnt_refs[i],
- dev->otherend_id);
+ gnttab_set_map_op(&info->map[i], info->phys_addrs[i], flags,
+ gnt_refs[i], dev->otherend_id);
handles[i] = INVALID_GRANT_HANDLE;
}
- gnttab_batch_map(map, i);
+ gnttab_batch_map(info->map, i);
for (i = 0; i < nr_grefs; i++) {
- if (map[i].status != GNTST_okay) {
- err = map[i].status;
- xenbus_dev_fatal(dev, map[i].status,
+ if (info->map[i].status != GNTST_okay) {
+ xenbus_dev_fatal(dev, info->map[i].status,
"mapping in shared page %d from domain %d",
gnt_refs[i], dev->otherend_id);
goto fail;
} else
- handles[i] = map[i].handle;
+ handles[i] = info->map[i].handle;
}
- return GNTST_okay;
+ return 0;
fail:
for (i = j = 0; i < nr_grefs; i++) {
if (handles[i] != INVALID_GRANT_HANDLE) {
- memset(&unmap[j], 0, sizeof(unmap[j]));
- gnttab_set_unmap_op(&unmap[j], (phys_addr_t)addrs[i],
+ gnttab_set_unmap_op(&info->unmap[j],
+ info->phys_addrs[i],
GNTMAP_host_map, handles[i]);
j++;
}
}
- if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, unmap, j))
+ if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, info->unmap, j))
BUG();
*leaked = false;
for (i = 0; i < j; i++) {
- if (unmap[i].status != GNTST_okay) {
+ if (info->unmap[i].status != GNTST_okay) {
*leaked = true;
break;
}
}
- return err;
+ return -ENOENT;
}
/**
@@ -566,21 +589,12 @@ static int xenbus_unmap_ring(struct xenbus_device *dev, grant_handle_t *handles,
return err;
}
-struct map_ring_valloc_hvm
-{
- unsigned int idx;
-
- /* Why do we need two arrays? See comment of __xenbus_map_ring */
- phys_addr_t phys_addrs[XENBUS_MAX_RING_GRANTS];
- unsigned long addrs[XENBUS_MAX_RING_GRANTS];
-};
-
static void xenbus_map_ring_setup_grant_hvm(unsigned long gfn,
unsigned int goffset,
unsigned int len,
void *data)
{
- struct map_ring_valloc_hvm *info = data;
+ struct map_ring_valloc *info = data;
unsigned long vaddr = (unsigned long)gfn_to_virt(gfn);
info->phys_addrs[info->idx] = vaddr;
@@ -589,39 +603,28 @@ static void xenbus_map_ring_setup_grant_hvm(unsigned long gfn,
info->idx++;
}
-static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev,
- grant_ref_t *gnt_ref,
- unsigned int nr_grefs,
- void **vaddr)
+static int xenbus_map_ring_hvm(struct xenbus_device *dev,
+ struct map_ring_valloc *info,
+ grant_ref_t *gnt_ref,
+ unsigned int nr_grefs,
+ void **vaddr)
{
- struct xenbus_map_node *node;
+ struct xenbus_map_node *node = info->node;
int err;
void *addr;
bool leaked = false;
- struct map_ring_valloc_hvm info = {
- .idx = 0,
- };
unsigned int nr_pages = XENBUS_PAGES(nr_grefs);
- if (nr_grefs > XENBUS_MAX_RING_GRANTS)
- return -EINVAL;
-
- *vaddr = NULL;
-
- node = kzalloc(sizeof(*node), GFP_KERNEL);
- if (!node)
- return -ENOMEM;
-
err = alloc_xenballooned_pages(nr_pages, node->hvm.pages);
if (err)
goto out_err;
gnttab_foreach_grant(node->hvm.pages, nr_grefs,
xenbus_map_ring_setup_grant_hvm,
- &info);
+ info);
err = __xenbus_map_ring(dev, gnt_ref, nr_grefs, node->handles,
- info.phys_addrs, GNTMAP_host_map, &leaked);
+ info, GNTMAP_host_map, &leaked);
node->nr_handles = nr_grefs;
if (err)
@@ -641,11 +644,13 @@ static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev,
spin_unlock(&xenbus_valloc_lock);
*vaddr = addr;
+ info->node = NULL;
+
return 0;
out_xenbus_unmap_ring:
if (!leaked)
- xenbus_unmap_ring(dev, node->handles, nr_grefs, info.addrs);
+ xenbus_unmap_ring(dev, node->handles, nr_grefs, info->addrs);
else
pr_alert("leaking %p size %u page(s)",
addr, nr_pages);
@@ -653,7 +658,6 @@ static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev,
if (!leaked)
free_xenballooned_pages(nr_pages, node->hvm.pages);
out_err:
- kfree(node);
return err;
}
@@ -676,40 +680,28 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr)
EXPORT_SYMBOL_GPL(xenbus_unmap_ring_vfree);
#ifdef CONFIG_XEN_PV
-static int xenbus_map_ring_valloc_pv(struct xenbus_device *dev,
- grant_ref_t *gnt_refs,
- unsigned int nr_grefs,
- void **vaddr)
+static int xenbus_map_ring_pv(struct xenbus_device *dev,
+ struct map_ring_valloc *info,
+ grant_ref_t *gnt_refs,
+ unsigned int nr_grefs,
+ void **vaddr)
{
- struct xenbus_map_node *node;
+ struct xenbus_map_node *node = info->node;
struct vm_struct *area;
- pte_t *ptes[XENBUS_MAX_RING_GRANTS];
- phys_addr_t phys_addrs[XENBUS_MAX_RING_GRANTS];
int err = GNTST_okay;
int i;
bool leaked;
- *vaddr = NULL;
-
- if (nr_grefs > XENBUS_MAX_RING_GRANTS)
- return -EINVAL;
-
- node = kzalloc(sizeof(*node), GFP_KERNEL);
- if (!node)
+ area = alloc_vm_area(XEN_PAGE_SIZE * nr_grefs, info->ptes);
+ if (!area)
return -ENOMEM;
- area = alloc_vm_area(XEN_PAGE_SIZE * nr_grefs, ptes);
- if (!area) {
- kfree(node);
- return -ENOMEM;
- }
-
for (i = 0; i < nr_grefs; i++)
- phys_addrs[i] = arbitrary_virt_to_machine(ptes[i]).maddr;
+ info->phys_addrs[i] =
+ arbitrary_virt_to_machine(info->ptes[i]).maddr;
err = __xenbus_map_ring(dev, gnt_refs, nr_grefs, node->handles,
- phys_addrs,
- GNTMAP_host_map | GNTMAP_contains_pte,
+ info, GNTMAP_host_map | GNTMAP_contains_pte,
&leaked);
if (err)
goto failed;
@@ -722,6 +714,8 @@ static int xenbus_map_ring_valloc_pv(struct xenbus_device *dev,
spin_unlock(&xenbus_valloc_lock);
*vaddr = area->addr;
+ info->node = NULL;
+
return 0;
failed:
@@ -730,11 +724,10 @@ failed:
else
pr_alert("leaking VM area %p size %u page(s)", area, nr_grefs);
- kfree(node);
return err;
}
-static int xenbus_unmap_ring_vfree_pv(struct xenbus_device *dev, void *vaddr)
+static int xenbus_unmap_ring_pv(struct xenbus_device *dev, void *vaddr)
{
struct xenbus_map_node *node;
struct gnttab_unmap_grant_ref unmap[XENBUS_MAX_RING_GRANTS];
@@ -798,12 +791,12 @@ static int xenbus_unmap_ring_vfree_pv(struct xenbus_device *dev, void *vaddr)
}
static const struct xenbus_ring_ops ring_ops_pv = {
- .map = xenbus_map_ring_valloc_pv,
- .unmap = xenbus_unmap_ring_vfree_pv,
+ .map = xenbus_map_ring_pv,
+ .unmap = xenbus_unmap_ring_pv,
};
#endif
-struct unmap_ring_vfree_hvm
+struct unmap_ring_hvm
{
unsigned int idx;
unsigned long addrs[XENBUS_MAX_RING_GRANTS];
@@ -814,19 +807,19 @@ static void xenbus_unmap_ring_setup_grant_hvm(unsigned long gfn,
unsigned int len,
void *data)
{
- struct unmap_ring_vfree_hvm *info = data;
+ struct unmap_ring_hvm *info = data;
info->addrs[info->idx] = (unsigned long)gfn_to_virt(gfn);
info->idx++;
}
-static int xenbus_unmap_ring_vfree_hvm(struct xenbus_device *dev, void *vaddr)
+static int xenbus_unmap_ring_hvm(struct xenbus_device *dev, void *vaddr)
{
int rv;
struct xenbus_map_node *node;
void *addr;
- struct unmap_ring_vfree_hvm info = {
+ struct unmap_ring_hvm info = {
.idx = 0,
};
unsigned int nr_pages;
@@ -887,8 +880,8 @@ enum xenbus_state xenbus_read_driver_state(const char *path)
EXPORT_SYMBOL_GPL(xenbus_read_driver_state);
static const struct xenbus_ring_ops ring_ops_hvm = {
- .map = xenbus_map_ring_valloc_hvm,
- .unmap = xenbus_unmap_ring_vfree_hvm,
+ .map = xenbus_map_ring_hvm,
+ .unmap = xenbus_unmap_ring_hvm,
};
void __init xenbus_ring_ops_init(void)
diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index b04c528b19d3..74c886f7c51c 100644
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi,
mutex_lock(&sbi->pipe_mutex);
while (bytes) {
- wr = __kernel_write(file, data, bytes, &file->f_pos);
+ wr = kernel_write(file, data, bytes, &file->f_pos);
if (wr <= 0)
break;
data += wr;
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 3a7648bff42c..82ab6e5a386d 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1196,7 +1196,7 @@ __tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb,
switch (tm->op) {
case MOD_LOG_KEY_REMOVE_WHILE_FREEING:
BUG_ON(tm->slot < n);
- /* Fallthrough */
+ fallthrough;
case MOD_LOG_KEY_REMOVE_WHILE_MOVING:
case MOD_LOG_KEY_REMOVE:
btrfs_set_node_key(eb, &tm->key, tm->slot);
diff --git a/fs/btrfs/discard.c b/fs/btrfs/discard.c
index 5615320fa659..741c7e19c32f 100644
--- a/fs/btrfs/discard.c
+++ b/fs/btrfs/discard.c
@@ -619,6 +619,7 @@ void btrfs_discard_punt_unused_bgs_list(struct btrfs_fs_info *fs_info)
list_for_each_entry_safe(block_group, next, &fs_info->unused_bgs,
bg_list) {
list_del_init(&block_group->bg_list);
+ btrfs_put_block_group(block_group);
btrfs_discard_queue_work(&fs_info->discard_ctl, block_group);
}
spin_unlock(&fs_info->unused_bgs_lock);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 7c6f0bbb54a5..b1a148058773 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2593,10 +2593,12 @@ static int __cold init_tree_roots(struct btrfs_fs_info *fs_info)
!extent_buffer_uptodate(tree_root->node)) {
handle_error = true;
- if (IS_ERR(tree_root->node))
+ if (IS_ERR(tree_root->node)) {
ret = PTR_ERR(tree_root->node);
- else if (!extent_buffer_uptodate(tree_root->node))
+ tree_root->node = NULL;
+ } else if (!extent_buffer_uptodate(tree_root->node)) {
ret = -EUCLEAN;
+ }
btrfs_warn(fs_info, "failed to read tree root");
continue;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 68c96057ad2d..608f93438b29 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -5058,25 +5058,28 @@ struct extent_buffer *alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
static void check_buffer_tree_ref(struct extent_buffer *eb)
{
int refs;
- /* the ref bit is tricky. We have to make sure it is set
- * if we have the buffer dirty. Otherwise the
- * code to free a buffer can end up dropping a dirty
- * page
+ /*
+ * The TREE_REF bit is first set when the extent_buffer is added
+ * to the radix tree. It is also reset, if unset, when a new reference
+ * is created by find_extent_buffer.
*
- * Once the ref bit is set, it won't go away while the
- * buffer is dirty or in writeback, and it also won't
- * go away while we have the reference count on the
- * eb bumped.
+ * It is only cleared in two cases: freeing the last non-tree
+ * reference to the extent_buffer when its STALE bit is set or
+ * calling releasepage when the tree reference is the only reference.
*
- * We can't just set the ref bit without bumping the
- * ref on the eb because free_extent_buffer might
- * see the ref bit and try to clear it. If this happens
- * free_extent_buffer might end up dropping our original
- * ref by mistake and freeing the page before we are able
- * to add one more ref.
+ * In both cases, care is taken to ensure that the extent_buffer's
+ * pages are not under io. However, releasepage can be concurrently
+ * called with creating new references, which is prone to race
+ * conditions between the calls to check_buffer_tree_ref in those
+ * codepaths and clearing TREE_REF in try_release_extent_buffer.
*
- * So bump the ref count first, then set the bit. If someone
- * beat us to it, drop the ref we added.
+ * The actual lifetime of the extent_buffer in the radix tree is
+ * adequately protected by the refcount, but the TREE_REF bit and
+ * its corresponding reference are not. To protect against this
+ * class of races, we call check_buffer_tree_ref from the codepaths
+ * which trigger io after they set eb->io_pages. Note that once io is
+ * initiated, TREE_REF can no longer be cleared, so that is the
+ * moment at which any such race is best fixed.
*/
refs = atomic_read(&eb->refs);
if (refs >= 2 && test_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags))
@@ -5527,6 +5530,11 @@ int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num)
clear_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags);
eb->read_mirror = 0;
atomic_set(&eb->io_pages, num_reads);
+ /*
+ * It is possible for releasepage to clear the TREE_REF bit before we
+ * set io_pages. See check_buffer_tree_ref for a more detailed comment.
+ */
+ check_buffer_tree_ref(eb);
for (i = 0; i < num_pages; i++) {
page = eb->pages[i];
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 2520605afc25..b0d2c976587e 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3509,6 +3509,7 @@ const struct file_operations btrfs_file_operations = {
.read_iter = generic_file_read_iter,
.splice_read = generic_file_splice_read,
.write_iter = btrfs_file_write_iter,
+ .splice_write = iter_file_splice_write,
.mmap = btrfs_file_mmap,
.open = btrfs_file_open,
.release = btrfs_release_file,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 18d384f4af54..43c803c16b48 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1690,12 +1690,8 @@ out_check:
ret = fallback_to_cow(inode, locked_page, cow_start,
found_key.offset - 1,
page_started, nr_written);
- if (ret) {
- if (nocow)
- btrfs_dec_nocow_writers(fs_info,
- disk_bytenr);
+ if (ret)
goto error;
- }
cow_start = (u64)-1;
}
@@ -1711,9 +1707,6 @@ out_check:
ram_bytes, BTRFS_COMPRESS_NONE,
BTRFS_ORDERED_PREALLOC);
if (IS_ERR(em)) {
- if (nocow)
- btrfs_dec_nocow_writers(fs_info,
- disk_bytenr);
ret = PTR_ERR(em);
goto error;
}
diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c
index 7887317033c9..af92525dbb16 100644
--- a/fs/btrfs/ref-verify.c
+++ b/fs/btrfs/ref-verify.c
@@ -509,7 +509,7 @@ static int process_leaf(struct btrfs_root *root,
switch (key.type) {
case BTRFS_EXTENT_ITEM_KEY:
*num_bytes = key.offset;
- /* fall through */
+ fallthrough;
case BTRFS_METADATA_ITEM_KEY:
*bytenr = key.objectid;
ret = process_extent_item(fs_info, path, &key, i,
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index 41ee88633769..c7bd3fdd7792 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -879,8 +879,8 @@ static bool steal_from_global_rsv(struct btrfs_fs_info *fs_info,
return false;
}
global_rsv->reserved -= ticket->bytes;
+ remove_ticket(space_info, ticket);
ticket->bytes = 0;
- list_del_init(&ticket->list);
wake_up(&ticket->wait);
space_info->tickets_id++;
if (global_rsv->reserved < global_rsv->size)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index bc73fd670702..c3826ae883f0 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -523,7 +523,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
case Opt_compress_force:
case Opt_compress_force_type:
compress_force = true;
- /* Fallthrough */
+ fallthrough;
case Opt_compress:
case Opt_compress_type:
saved_compress_type = btrfs_test_opt(info,
@@ -622,7 +622,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
btrfs_set_opt(info->mount_opt, NOSSD);
btrfs_clear_and_info(info, SSD,
"not using ssd optimizations");
- /* Fallthrough */
+ fallthrough;
case Opt_nossd_spread:
btrfs_clear_and_info(info, SSD_SPREAD,
"not using spread ssd allocation scheme");
@@ -793,7 +793,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
case Opt_recovery:
btrfs_warn(info,
"'recovery' is deprecated, use 'usebackuproot' instead");
- /* fall through */
+ fallthrough;
case Opt_usebackuproot:
btrfs_info(info,
"trying to use backup root at mount time");
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index f067b5934c46..75af2334b2e3 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -408,7 +408,7 @@ static inline enum btrfs_map_op btrfs_op(struct bio *bio)
return BTRFS_MAP_WRITE;
default:
WARN_ON_ONCE(1);
- /* fall through */
+ fallthrough;
case REQ_OP_READ:
return BTRFS_MAP_READ;
}
diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index e7726f5f1241..3080cda9e824 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -937,7 +937,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
}
data = kmap(page);
- ret = __kernel_write(file, data, len, &pos);
+ ret = kernel_write(file, data, len, &pos);
kunmap(page);
fput(file);
if (ret != len)
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index fc98b97b396a..53588d7517b4 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -399,6 +399,10 @@ skip_rdma:
if (ses->sign)
seq_puts(m, " signed");
+ seq_printf(m, "\n\tUser: %d Cred User: %d",
+ from_kuid(&init_user_ns, ses->linux_uid),
+ from_kuid(&init_user_ns, ses->cred_uid));
+
if (ses->chan_count > 1) {
seq_printf(m, "\n\n\tExtra Channels: %zu\n",
ses->chan_count-1);
@@ -406,7 +410,7 @@ skip_rdma:
cifs_dump_channel(m, j, &ses->chans[j]);
}
- seq_puts(m, "\n\tShares:");
+ seq_puts(m, "\n\n\tShares:");
j = 0;
seq_printf(m, "\n\t%d) IPC: ", j);
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index c7a311d28d3d..99b3180c613a 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -156,5 +156,5 @@ extern int cifs_truncate_page(struct address_space *mapping, loff_t from);
extern const struct export_operations cifs_export_ops;
#endif /* CONFIG_CIFS_NFSD_EXPORT */
-#define CIFS_VERSION "2.27"
+#define CIFS_VERSION "2.28"
#endif /* _CIFSFS_H */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 5fac34f192af..a61abde09ffe 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -5306,9 +5306,15 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
vol_info->nocase = master_tcon->nocase;
vol_info->nohandlecache = master_tcon->nohandlecache;
vol_info->local_lease = master_tcon->local_lease;
+ vol_info->no_lease = master_tcon->no_lease;
+ vol_info->resilient = master_tcon->use_resilient;
+ vol_info->persistent = master_tcon->use_persistent;
+ vol_info->handle_timeout = master_tcon->handle_timeout;
vol_info->no_linux_ext = !master_tcon->unix_ext;
+ vol_info->linux_ext = master_tcon->posix_extensions;
vol_info->sectype = master_tcon->ses->sectype;
vol_info->sign = master_tcon->ses->sign;
+ vol_info->seal = master_tcon->seal;
rc = cifs_set_vol_auth(vol_info, master_tcon->ses);
if (rc) {
@@ -5334,10 +5340,6 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
goto out;
}
- /* if new SMB3.11 POSIX extensions are supported do not remap / and \ */
- if (tcon->posix_extensions)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_POSIX_PATHS;
-
if (cap_unix(ses))
reset_cifs_unix_caps(0, tcon, NULL, vol_info);
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 9b0f8f33f832..be46fab4c96d 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1149,20 +1149,20 @@ cifs_posix_lock_test(struct file *file, struct file_lock *flock)
/*
* Set the byte-range lock (posix style). Returns:
- * 1) 0, if we set the lock and don't need to request to the server;
- * 2) 1, if we need to request to the server;
- * 3) <0, if the error occurs while setting the lock.
+ * 1) <0, if the error occurs while setting the lock;
+ * 2) 0, if we set the lock and don't need to request to the server;
+ * 3) FILE_LOCK_DEFERRED, if we will wait for some other file_lock;
+ * 4) FILE_LOCK_DEFERRED + 1, if we need to request to the server.
*/
static int
cifs_posix_lock_set(struct file *file, struct file_lock *flock)
{
struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
- int rc = 1;
+ int rc = FILE_LOCK_DEFERRED + 1;
if ((flock->fl_flags & FL_POSIX) == 0)
return rc;
-try_again:
cifs_down_write(&cinode->lock_sem);
if (!cinode->can_cache_brlcks) {
up_write(&cinode->lock_sem);
@@ -1171,13 +1171,6 @@ try_again:
rc = posix_lock_file(file, flock, NULL);
up_write(&cinode->lock_sem);
- if (rc == FILE_LOCK_DEFERRED) {
- rc = wait_event_interruptible(flock->fl_wait,
- list_empty(&flock->fl_blocked_member));
- if (!rc)
- goto try_again;
- locks_delete_block(flock);
- }
return rc;
}
@@ -1652,7 +1645,7 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
int posix_lock_type;
rc = cifs_posix_lock_set(file, flock);
- if (!rc || rc < 0)
+ if (rc <= FILE_LOCK_DEFERRED)
return rc;
if (type & server->vals->shared_lock_type)
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index ce95801e9b66..49c3ea8aa845 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2044,6 +2044,7 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
FILE_UNIX_BASIC_INFO *info_buf_target;
unsigned int xid;
int rc, tmprc;
+ bool new_target = d_really_is_negative(target_dentry);
if (flags & ~RENAME_NOREPLACE)
return -EINVAL;
@@ -2120,8 +2121,13 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
*/
unlink_target:
- /* Try unlinking the target dentry if it's not negative */
- if (d_really_is_positive(target_dentry) && (rc == -EACCES || rc == -EEXIST)) {
+ /*
+ * If the target dentry was created during the rename, try
+ * unlinking it if it's not negative
+ */
+ if (new_target &&
+ d_really_is_positive(target_dentry) &&
+ (rc == -EACCES || rc == -EEXIST)) {
if (d_is_dir(target_dentry))
tmprc = cifs_rmdir(target_dir, target_dentry);
else
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 4a73e63c4d43..dcde44ff6cf9 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -169,6 +169,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
unsigned int xid;
struct cifsFileInfo *pSMBFile = filep->private_data;
struct cifs_tcon *tcon;
+ struct tcon_link *tlink;
struct cifs_sb_info *cifs_sb;
__u64 ExtAttrBits = 0;
__u64 caps;
@@ -307,13 +308,19 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
break;
}
cifs_sb = CIFS_SB(inode->i_sb);
- tcon = tlink_tcon(cifs_sb_tlink(cifs_sb));
+ tlink = cifs_sb_tlink(cifs_sb);
+ if (IS_ERR(tlink)) {
+ rc = PTR_ERR(tlink);
+ break;
+ }
+ tcon = tlink_tcon(tlink);
if (tcon && tcon->ses->server->ops->notify) {
rc = tcon->ses->server->ops->notify(xid,
filep, (void __user *)arg);
cifs_dbg(FYI, "ioctl notify rc %d\n", rc);
} else
rc = -EOPNOTSUPP;
+ cifs_put_tlink(tlink);
break;
default:
cifs_dbg(FYI, "unsupported ioctl\n");
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 6a39451973f8..157992864ce7 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -354,9 +354,13 @@ smb2_get_data_area_len(int *off, int *len, struct smb2_sync_hdr *shdr)
((struct smb2_ioctl_rsp *)shdr)->OutputCount);
break;
case SMB2_CHANGE_NOTIFY:
+ *off = le16_to_cpu(
+ ((struct smb2_change_notify_rsp *)shdr)->OutputBufferOffset);
+ *len = le32_to_cpu(
+ ((struct smb2_change_notify_rsp *)shdr)->OutputBufferLength);
+ break;
default:
- /* BB FIXME for unimplemented cases above */
- cifs_dbg(VFS, "no length check for command\n");
+ cifs_dbg(VFS, "no length check for command %d\n", le16_to_cpu(shdr->Command));
break;
}
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index d9fdafa5eb60..32f90dc82c84 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -2148,7 +2148,7 @@ smb3_notify(const unsigned int xid, struct file *pfile,
tcon = cifs_sb_master_tcon(cifs_sb);
oparms.tcon = tcon;
- oparms.desired_access = FILE_READ_ATTRIBUTES;
+ oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA;
oparms.disposition = FILE_OPEN;
oparms.create_options = cifs_create_options(cifs_sb, 0);
oparms.fid = &fid;
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index d11e31064679..84433d0653f9 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -523,7 +523,7 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int num_credits,
const int timeout, const int flags,
unsigned int *instance)
{
- int rc;
+ long rc;
int *credits;
int optype;
long int t;
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index de43534aa299..91ece649285d 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -309,7 +309,7 @@ const struct file_operations exfat_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.iterate = exfat_iterate,
- .fsync = generic_file_fsync,
+ .fsync = exfat_file_fsync,
};
int exfat_alloc_new_dir(struct inode *inode, struct exfat_chain *clu)
@@ -425,10 +425,12 @@ static void exfat_init_name_entry(struct exfat_dentry *ep,
ep->dentry.name.flags = 0x0;
for (i = 0; i < EXFAT_FILE_NAME_LEN; i++) {
- ep->dentry.name.unicode_0_14[i] = cpu_to_le16(*uniname);
- if (*uniname == 0x0)
- break;
- uniname++;
+ if (*uniname != 0x0) {
+ ep->dentry.name.unicode_0_14[i] = cpu_to_le16(*uniname);
+ uniname++;
+ } else {
+ ep->dentry.name.unicode_0_14[i] = 0x0;
+ }
}
}
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 595f3117f492..7579cd3bbadb 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -420,6 +420,7 @@ void exfat_truncate(struct inode *inode, loff_t size);
int exfat_setattr(struct dentry *dentry, struct iattr *attr);
int exfat_getattr(const struct path *path, struct kstat *stat,
unsigned int request_mask, unsigned int query_flags);
+int exfat_file_fsync(struct file *file, loff_t start, loff_t end, int datasync);
/* namei.c */
extern const struct dentry_operations exfat_dentry_ops;
diff --git a/fs/exfat/file.c b/fs/exfat/file.c
index fce03f318787..3b7fea465fd4 100644
--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -6,6 +6,7 @@
#include <linux/slab.h>
#include <linux/cred.h>
#include <linux/buffer_head.h>
+#include <linux/blkdev.h>
#include "exfat_raw.h"
#include "exfat_fs.h"
@@ -346,12 +347,28 @@ out:
return error;
}
+int exfat_file_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
+{
+ struct inode *inode = filp->f_mapping->host;
+ int err;
+
+ err = __generic_file_fsync(filp, start, end, datasync);
+ if (err)
+ return err;
+
+ err = sync_blockdev(inode->i_sb->s_bdev);
+ if (err)
+ return err;
+
+ return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
+}
+
const struct file_operations exfat_file_operations = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,
- .fsync = generic_file_fsync,
+ .fsync = exfat_file_fsync,
.splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
};
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index 5b0f35329d63..2b9e21094a96 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -975,7 +975,6 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
goto unlock;
}
- exfat_set_vol_flags(sb, VOL_DIRTY);
exfat_chain_set(&clu_to_free, ei->start_clu,
EXFAT_B_TO_CLU_ROUND_UP(i_size_read(inode), sbi), ei->flags);
@@ -1002,6 +1001,7 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
num_entries++;
brelse(bh);
+ exfat_set_vol_flags(sb, VOL_DIRTY);
err = exfat_remove_entries(dir, &cdir, entry, 0, num_entries);
if (err) {
exfat_err(sb, "failed to exfat_remove_entries : err(%d)", err);
@@ -1077,10 +1077,14 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
epold = exfat_get_dentry(sb, p_dir, oldentry + 1, &old_bh,
&sector_old);
+ if (!epold)
+ return -EIO;
epnew = exfat_get_dentry(sb, p_dir, newentry + 1, &new_bh,
&sector_new);
- if (!epold || !epnew)
+ if (!epnew) {
+ brelse(old_bh);
return -EIO;
+ }
memcpy(epnew, epold, DENTRY_SIZE);
exfat_update_bh(sb, new_bh, sync);
@@ -1161,10 +1165,14 @@ static int exfat_move_file(struct inode *inode, struct exfat_chain *p_olddir,
epmov = exfat_get_dentry(sb, p_olddir, oldentry + 1, &mov_bh,
&sector_mov);
+ if (!epmov)
+ return -EIO;
epnew = exfat_get_dentry(sb, p_newdir, newentry + 1, &new_bh,
&sector_new);
- if (!epmov || !epnew)
+ if (!epnew) {
+ brelse(mov_bh);
return -EIO;
+ }
memcpy(epnew, epmov, DENTRY_SIZE);
exfat_update_bh(sb, new_bh, IS_DIRSYNC(inode));
diff --git a/fs/exfat/super.c b/fs/exfat/super.c
index e650e65536f8..253a92460d52 100644
--- a/fs/exfat/super.c
+++ b/fs/exfat/super.c
@@ -693,10 +693,20 @@ static void exfat_free(struct fs_context *fc)
}
}
+static int exfat_reconfigure(struct fs_context *fc)
+{
+ fc->sb_flags |= SB_NODIRATIME;
+
+ /* volume flag will be updated in exfat_sync_fs */
+ sync_filesystem(fc->root->d_sb);
+ return 0;
+}
+
static const struct fs_context_operations exfat_context_ops = {
.parse_param = exfat_parse_param,
.get_tree = exfat_get_tree,
.free = exfat_free,
+ .reconfigure = exfat_reconfigure,
};
static int exfat_init_fs_context(struct fs_context *fc)
diff --git a/fs/file_table.c b/fs/file_table.c
index 65603502fed6..656647f9575a 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -230,7 +230,7 @@ struct file *alloc_file_pseudo(struct inode *inode, struct vfsmount *mnt,
d_set_d_op(path.dentry, &anon_ops);
path.mnt = mntget(mnt);
d_instantiate(path.dentry, inode);
- file = alloc_file(&path, flags | FMODE_NONOTIFY, fops);
+ file = alloc_file(&path, flags, fops);
if (IS_ERR(file)) {
ihold(inode);
path_put(&path);
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 72c9560f4467..68cd700a2719 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -468,21 +468,10 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
}
-/**
- * __gfs2_readpage - readpage
- * @file: The file to read a page for
- * @page: The page to read
- *
- * This is the core of gfs2's readpage. It's used by the internal file
- * reading code as in that case we already hold the glock. Also it's
- * called by gfs2_readpage() once the required lock has been granted.
- */
-
static int __gfs2_readpage(void *file, struct page *page)
{
struct gfs2_inode *ip = GFS2_I(page->mapping->host);
struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host);
-
int error;
if (i_blocksize(page->mapping->host) == PAGE_SIZE &&
@@ -505,36 +494,11 @@ static int __gfs2_readpage(void *file, struct page *page)
* gfs2_readpage - read a page of a file
* @file: The file to read
* @page: The page of the file
- *
- * This deals with the locking required. We have to unlock and
- * relock the page in order to get the locking in the right
- * order.
*/
static int gfs2_readpage(struct file *file, struct page *page)
{
- struct address_space *mapping = page->mapping;
- struct gfs2_inode *ip = GFS2_I(mapping->host);
- struct gfs2_holder gh;
- int error;
-
- unlock_page(page);
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
- error = gfs2_glock_nq(&gh);
- if (unlikely(error))
- goto out;
- error = AOP_TRUNCATED_PAGE;
- lock_page(page);
- if (page->mapping == mapping && !PageUptodate(page))
- error = __gfs2_readpage(file, page);
- else
- unlock_page(page);
- gfs2_glock_dq(&gh);
-out:
- gfs2_holder_uninit(&gh);
- if (error && error != AOP_TRUNCATED_PAGE)
- lock_page(page);
- return error;
+ return __gfs2_readpage(file, page);
}
/**
@@ -598,16 +562,9 @@ static void gfs2_readahead(struct readahead_control *rac)
{
struct inode *inode = rac->mapping->host;
struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_holder gh;
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
- if (gfs2_glock_nq(&gh))
- goto out_uninit;
if (!gfs2_is_stuffed(ip))
mpage_readahead(rac, gfs2_block_map);
- gfs2_glock_dq(&gh);
-out_uninit:
- gfs2_holder_uninit(&gh);
}
/**
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index fe305e4bfd37..bebde537ac8c 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -558,8 +558,29 @@ out_uninit:
return block_page_mkwrite_return(ret);
}
+static vm_fault_t gfs2_fault(struct vm_fault *vmf)
+{
+ struct inode *inode = file_inode(vmf->vma->vm_file);
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ vm_fault_t ret;
+ int err;
+
+ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ err = gfs2_glock_nq(&gh);
+ if (err) {
+ ret = block_page_mkwrite_return(err);
+ goto out_uninit;
+ }
+ ret = filemap_fault(vmf);
+ gfs2_glock_dq(&gh);
+out_uninit:
+ gfs2_holder_uninit(&gh);
+ return ret;
+}
+
static const struct vm_operations_struct gfs2_vm_ops = {
- .fault = filemap_fault,
+ .fault = gfs2_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = gfs2_page_mkwrite,
};
@@ -824,6 +845,9 @@ out_uninit:
static ssize_t gfs2_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
{
+ struct gfs2_inode *ip;
+ struct gfs2_holder gh;
+ size_t written = 0;
ssize_t ret;
if (iocb->ki_flags & IOCB_DIRECT) {
@@ -832,7 +856,31 @@ static ssize_t gfs2_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
return ret;
iocb->ki_flags &= ~IOCB_DIRECT;
}
- return generic_file_read_iter(iocb, to);
+ iocb->ki_flags |= IOCB_NOIO;
+ ret = generic_file_read_iter(iocb, to);
+ iocb->ki_flags &= ~IOCB_NOIO;
+ if (ret >= 0) {
+ if (!iov_iter_count(to))
+ return ret;
+ written = ret;
+ } else {
+ if (ret != -EAGAIN)
+ return ret;
+ if (iocb->ki_flags & IOCB_NOWAIT)
+ return ret;
+ }
+ ip = GFS2_I(iocb->ki_filp->f_mapping->host);
+ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ ret = gfs2_glock_nq(&gh);
+ if (ret)
+ goto out_uninit;
+ ret = generic_file_read_iter(iocb, to);
+ if (ret > 0)
+ written += ret;
+ gfs2_glock_dq(&gh);
+out_uninit:
+ gfs2_holder_uninit(&gh);
+ return written ? written : ret;
}
/**
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 2299dcc417ea..8545024a1401 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1899,7 +1899,10 @@ bool gfs2_delete_work_queued(const struct gfs2_glock *gl)
static void flush_delete_work(struct gfs2_glock *gl)
{
- flush_delayed_work(&gl->gl_delete);
+ if (cancel_delayed_work(&gl->gl_delete)) {
+ queue_delayed_work(gfs2_delete_workqueue,
+ &gl->gl_delete, 0);
+ }
gfs2_glock_queue_work(gl, 0);
}
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index c84887769b5a..de1d5f1d9ff8 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -531,8 +531,7 @@ static int freeze_go_sync(struct gfs2_glock *gl)
int error = 0;
struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
- if (gl->gl_state == LM_ST_SHARED && !gfs2_withdrawn(sdp) &&
- test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
+ if (gl->gl_req == LM_ST_EXCLUSIVE && !gfs2_withdrawn(sdp)) {
atomic_set(&sdp->sd_freeze_state, SFS_STARTING_FREEZE);
error = freeze_super(sdp->sd_vfs);
if (error) {
@@ -545,8 +544,11 @@ static int freeze_go_sync(struct gfs2_glock *gl)
gfs2_assert_withdraw(sdp, 0);
}
queue_work(gfs2_freeze_wq, &sdp->sd_freeze_work);
- gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_FREEZE |
- GFS2_LFC_FREEZE_GO_SYNC);
+ if (test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_FREEZE |
+ GFS2_LFC_FREEZE_GO_SYNC);
+ else /* read-only mounts */
+ atomic_set(&sdp->sd_freeze_state, SFS_FROZEN);
}
return 0;
}
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 03ab11fab962..ca2ec02436ec 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -399,7 +399,6 @@ enum {
GIF_QD_LOCKED = 1,
GIF_ALLOC_FAILED = 2,
GIF_SW_PAGED = 3,
- GIF_ORDERED = 4,
GIF_FREE_VFS_INODE = 5,
GIF_GLOP_PENDING = 6,
GIF_DEFERRED_DELETE = 7,
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 370c3a4b31ac..6774865f5b5b 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -207,10 +207,11 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
if (no_formal_ino && ip->i_no_formal_ino &&
no_formal_ino != ip->i_no_formal_ino) {
+ error = -ESTALE;
if (inode->i_state & I_NEW)
goto fail;
iput(inode);
- return ERR_PTR(-ESTALE);
+ return ERR_PTR(error);
}
if (inode->i_state & I_NEW)
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 3e4734431783..a76e55bc28eb 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -613,6 +613,12 @@ static int ip_cmp(void *priv, struct list_head *a, struct list_head *b)
return 0;
}
+static void __ordered_del_inode(struct gfs2_inode *ip)
+{
+ if (!list_empty(&ip->i_ordered))
+ list_del_init(&ip->i_ordered);
+}
+
static void gfs2_ordered_write(struct gfs2_sbd *sdp)
{
struct gfs2_inode *ip;
@@ -623,8 +629,7 @@ static void gfs2_ordered_write(struct gfs2_sbd *sdp)
while (!list_empty(&sdp->sd_log_ordered)) {
ip = list_first_entry(&sdp->sd_log_ordered, struct gfs2_inode, i_ordered);
if (ip->i_inode.i_mapping->nrpages == 0) {
- test_and_clear_bit(GIF_ORDERED, &ip->i_flags);
- list_del(&ip->i_ordered);
+ __ordered_del_inode(ip);
continue;
}
list_move(&ip->i_ordered, &written);
@@ -643,8 +648,7 @@ static void gfs2_ordered_wait(struct gfs2_sbd *sdp)
spin_lock(&sdp->sd_ordered_lock);
while (!list_empty(&sdp->sd_log_ordered)) {
ip = list_first_entry(&sdp->sd_log_ordered, struct gfs2_inode, i_ordered);
- list_del(&ip->i_ordered);
- WARN_ON(!test_and_clear_bit(GIF_ORDERED, &ip->i_flags));
+ __ordered_del_inode(ip);
if (ip->i_inode.i_mapping->nrpages == 0)
continue;
spin_unlock(&sdp->sd_ordered_lock);
@@ -659,8 +663,7 @@ void gfs2_ordered_del_inode(struct gfs2_inode *ip)
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
spin_lock(&sdp->sd_ordered_lock);
- if (test_and_clear_bit(GIF_ORDERED, &ip->i_flags))
- list_del(&ip->i_ordered);
+ __ordered_del_inode(ip);
spin_unlock(&sdp->sd_ordered_lock);
}
@@ -1002,6 +1005,16 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
out:
if (gfs2_withdrawn(sdp)) {
+ /**
+ * If the tr_list is empty, we're withdrawing during a log
+ * flush that targets a transaction, but the transaction was
+ * never queued onto any of the ail lists. Here we add it to
+ * ail1 just so that ail_drain() will find and free it.
+ */
+ spin_lock(&sdp->sd_ail_lock);
+ if (tr && list_empty(&tr->tr_list))
+ list_add(&tr->tr_list, &sdp->sd_ail1_list);
+ spin_unlock(&sdp->sd_ail_lock);
ail_drain(sdp); /* frees all transactions */
tr = NULL;
}
diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h
index c1cd6ae17659..8965c751a303 100644
--- a/fs/gfs2/log.h
+++ b/fs/gfs2/log.h
@@ -53,9 +53,9 @@ static inline void gfs2_ordered_add_inode(struct gfs2_inode *ip)
if (gfs2_is_jdata(ip) || !gfs2_is_ordered(sdp))
return;
- if (!test_bit(GIF_ORDERED, &ip->i_flags)) {
+ if (list_empty(&ip->i_ordered)) {
spin_lock(&sdp->sd_ordered_lock);
- if (!test_and_set_bit(GIF_ORDERED, &ip->i_flags))
+ if (list_empty(&ip->i_ordered))
list_add(&ip->i_ordered, &sdp->sd_log_ordered);
spin_unlock(&sdp->sd_ordered_lock);
}
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index 733470ca6be9..c7393ee9cf68 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -39,6 +39,7 @@ static void gfs2_init_inode_once(void *foo)
atomic_set(&ip->i_sizehint, 0);
init_rwsem(&ip->i_rw_mutex);
INIT_LIST_HEAD(&ip->i_trunc_list);
+ INIT_LIST_HEAD(&ip->i_ordered);
ip->i_qadata = NULL;
gfs2_holder_mark_uninitialized(&ip->i_rgd_gh);
memset(&ip->i_res, 0, sizeof(ip->i_res));
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 094f5fe7c009..6d18d2c91add 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1136,7 +1136,18 @@ static int gfs2_fill_super(struct super_block *sb, struct fs_context *fc)
goto fail_per_node;
}
- if (!sb_rdonly(sb)) {
+ if (sb_rdonly(sb)) {
+ struct gfs2_holder freeze_gh;
+
+ error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED,
+ LM_FLAG_NOEXP | GL_EXACT,
+ &freeze_gh);
+ if (error) {
+ fs_err(sdp, "can't make FS RO: %d\n", error);
+ goto fail_per_node;
+ }
+ gfs2_glock_dq_uninit(&freeze_gh);
+ } else {
error = gfs2_make_fs_rw(sdp);
if (error) {
fs_err(sdp, "can't make FS RW: %d\n", error);
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 96c345f49273..390ea79d682c 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -364,8 +364,8 @@ void gfs2_recover_func(struct work_struct *work)
/* Acquire a shared hold on the freeze lock */
error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED,
- LM_FLAG_NOEXP | LM_FLAG_PRIORITY,
- &thaw_gh);
+ LM_FLAG_NOEXP | LM_FLAG_PRIORITY |
+ GL_EXACT, &thaw_gh);
if (error)
goto fail_gunlock_ji;
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 32d8d26126a1..47d0ae158b69 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -167,7 +167,8 @@ int gfs2_make_fs_rw(struct gfs2_sbd *sdp)
if (error)
return error;
- error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, 0,
+ error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED,
+ LM_FLAG_NOEXP | GL_EXACT,
&freeze_gh);
if (error)
goto fail_threads;
@@ -203,7 +204,6 @@ int gfs2_make_fs_rw(struct gfs2_sbd *sdp)
return 0;
fail:
- freeze_gh.gh_flags |= GL_NOCACHE;
gfs2_glock_dq_uninit(&freeze_gh);
fail_threads:
if (sdp->sd_quotad_process)
@@ -430,7 +430,7 @@ static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp)
}
error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_EXCLUSIVE,
- GL_NOCACHE, &sdp->sd_freeze_gh);
+ LM_FLAG_NOEXP, &sdp->sd_freeze_gh);
if (error)
goto out;
@@ -613,13 +613,15 @@ int gfs2_make_fs_ro(struct gfs2_sbd *sdp)
!gfs2_glock_is_locked_by_me(sdp->sd_freeze_gl)) {
if (!log_write_allowed) {
error = gfs2_glock_nq_init(sdp->sd_freeze_gl,
- LM_ST_SHARED, GL_NOCACHE |
- LM_FLAG_TRY, &freeze_gh);
+ LM_ST_SHARED, LM_FLAG_TRY |
+ LM_FLAG_NOEXP | GL_EXACT,
+ &freeze_gh);
if (error == GLR_TRYFAILED)
error = 0;
} else {
error = gfs2_glock_nq_init(sdp->sd_freeze_gl,
- LM_ST_SHARED, GL_NOCACHE,
+ LM_ST_SHARED,
+ LM_FLAG_NOEXP | GL_EXACT,
&freeze_gh);
if (error && !gfs2_withdrawn(sdp))
return error;
@@ -761,8 +763,8 @@ void gfs2_freeze_func(struct work_struct *work)
struct super_block *sb = sdp->sd_vfs;
atomic_inc(&sb->s_active);
- error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, 0,
- &freeze_gh);
+ error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED,
+ LM_FLAG_NOEXP | GL_EXACT, &freeze_gh);
if (error) {
fs_info(sdp, "GFS2: couldn't get freeze lock : %d\n", error);
gfs2_assert_withdraw(sdp, 0);
@@ -774,8 +776,6 @@ void gfs2_freeze_func(struct work_struct *work)
error);
gfs2_assert_withdraw(sdp, 0);
}
- if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))
- freeze_gh.gh_flags |= GL_NOCACHE;
gfs2_glock_dq_uninit(&freeze_gh);
}
deactivate_super(sb);
diff --git a/fs/io_uring.c b/fs/io_uring.c
index e507737f044e..9fd7e69696c3 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1096,6 +1096,8 @@ static inline void io_prep_async_work(struct io_kiocb *req,
{
const struct io_op_def *def = &io_op_defs[req->opcode];
+ io_req_init_async(req);
+
if (req->flags & REQ_F_ISREG) {
if (def->hash_reg_file)
io_wq_hash_work(&req->work, file_inode(req->file));
@@ -1104,7 +1106,6 @@ static inline void io_prep_async_work(struct io_kiocb *req,
req->work.flags |= IO_WQ_WORK_UNBOUND;
}
- io_req_init_async(req);
io_req_work_grab_env(req, def);
*link = io_prep_linked_timeout(req);
@@ -1274,6 +1275,7 @@ static bool io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force)
if (cqe) {
clear_bit(0, &ctx->sq_check_overflow);
clear_bit(0, &ctx->cq_check_overflow);
+ ctx->rings->sq_flags &= ~IORING_SQ_CQ_OVERFLOW;
}
spin_unlock_irqrestore(&ctx->completion_lock, flags);
io_cqring_ev_posted(ctx);
@@ -1311,6 +1313,7 @@ static void __io_cqring_fill_event(struct io_kiocb *req, long res, long cflags)
if (list_empty(&ctx->cq_overflow_list)) {
set_bit(0, &ctx->sq_check_overflow);
set_bit(0, &ctx->cq_check_overflow);
+ ctx->rings->sq_flags |= IORING_SQ_CQ_OVERFLOW;
}
req->flags |= REQ_F_OVERFLOW;
refcount_inc(&req->refs);
@@ -3551,6 +3554,7 @@ static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
if (req->flags & REQ_F_NEED_CLEANUP)
return 0;
+ io->msg.msg.msg_name = &io->msg.addr;
io->msg.iov = io->msg.fast_iov;
ret = sendmsg_copy_msghdr(&io->msg.msg, sr->msg, sr->msg_flags,
&io->msg.iov);
@@ -3732,6 +3736,7 @@ static int __io_compat_recvmsg_copy_hdr(struct io_kiocb *req,
static int io_recvmsg_copy_hdr(struct io_kiocb *req, struct io_async_ctx *io)
{
+ io->msg.msg.msg_name = &io->msg.addr;
io->msg.iov = io->msg.fast_iov;
#ifdef CONFIG_COMPAT
@@ -4072,6 +4077,29 @@ struct io_poll_table {
int error;
};
+static int io_req_task_work_add(struct io_kiocb *req, struct callback_head *cb)
+{
+ struct task_struct *tsk = req->task;
+ struct io_ring_ctx *ctx = req->ctx;
+ int ret, notify = TWA_RESUME;
+
+ /*
+ * SQPOLL kernel thread doesn't need notification, just a wakeup.
+ * If we're not using an eventfd, then TWA_RESUME is always fine,
+ * as we won't have dependencies between request completions for
+ * other kernel wait conditions.
+ */
+ if (ctx->flags & IORING_SETUP_SQPOLL)
+ notify = 0;
+ else if (ctx->cq_ev_fd)
+ notify = TWA_SIGNAL;
+
+ ret = task_work_add(tsk, cb, notify);
+ if (!ret)
+ wake_up_process(tsk);
+ return ret;
+}
+
static int __io_async_wake(struct io_kiocb *req, struct io_poll_iocb *poll,
__poll_t mask, task_work_func_t func)
{
@@ -4095,13 +4123,13 @@ static int __io_async_wake(struct io_kiocb *req, struct io_poll_iocb *poll,
* of executing it. We can't safely execute it anyway, as we may not
* have the needed state needed for it anyway.
*/
- ret = task_work_add(tsk, &req->task_work, true);
+ ret = io_req_task_work_add(req, &req->task_work);
if (unlikely(ret)) {
WRITE_ONCE(poll->canceled, true);
tsk = io_wq_get_task(req->ctx->io_wq);
- task_work_add(tsk, &req->task_work, true);
+ task_work_add(tsk, &req->task_work, 0);
+ wake_up_process(tsk);
}
- wake_up_process(tsk);
return 1;
}
@@ -6057,9 +6085,9 @@ static int io_sq_thread(void *data)
}
/* Tell userspace we may need a wakeup call */
+ spin_lock_irq(&ctx->completion_lock);
ctx->rings->sq_flags |= IORING_SQ_NEED_WAKEUP;
- /* make sure to read SQ tail after writing flags */
- smp_mb();
+ spin_unlock_irq(&ctx->completion_lock);
to_submit = io_sqring_entries(ctx);
if (!to_submit || ret == -EBUSY) {
@@ -6077,13 +6105,17 @@ static int io_sq_thread(void *data)
schedule();
finish_wait(&ctx->sqo_wait, &wait);
+ spin_lock_irq(&ctx->completion_lock);
ctx->rings->sq_flags &= ~IORING_SQ_NEED_WAKEUP;
+ spin_unlock_irq(&ctx->completion_lock);
ret = 0;
continue;
}
finish_wait(&ctx->sqo_wait, &wait);
+ spin_lock_irq(&ctx->completion_lock);
ctx->rings->sq_flags &= ~IORING_SQ_NEED_WAKEUP;
+ spin_unlock_irq(&ctx->completion_lock);
}
mutex_lock(&ctx->uring_lock);
@@ -6182,15 +6214,23 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
do {
prepare_to_wait_exclusive(&ctx->wait, &iowq.wq,
TASK_INTERRUPTIBLE);
+ /* make sure we run task_work before checking for signals */
if (current->task_works)
task_work_run();
- if (io_should_wake(&iowq, false))
- break;
- schedule();
if (signal_pending(current)) {
+ if (current->jobctl & JOBCTL_TASK_WORK) {
+ spin_lock_irq(&current->sighand->siglock);
+ current->jobctl &= ~JOBCTL_TASK_WORK;
+ recalc_sigpending();
+ spin_unlock_irq(&current->sighand->siglock);
+ continue;
+ }
ret = -EINTR;
break;
}
+ if (io_should_wake(&iowq, false))
+ break;
+ schedule();
} while (1);
finish_wait(&ctx->wait, &iowq.wq);
@@ -6662,6 +6702,7 @@ static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
for (i = 0; i < nr_tables; i++)
kfree(ctx->file_data->table[i].files);
+ percpu_ref_exit(&ctx->file_data->refs);
kfree(ctx->file_data->table);
kfree(ctx->file_data);
ctx->file_data = NULL;
@@ -6814,8 +6855,10 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
}
table->files[index] = file;
err = io_sqe_file_register(ctx, file, i);
- if (err)
+ if (err) {
+ fput(file);
break;
+ }
}
nr_args--;
done++;
@@ -7311,9 +7354,6 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx)
io_mem_free(ctx->sq_sqes);
percpu_ref_exit(&ctx->refs);
- if (ctx->account_mem)
- io_unaccount_mem(ctx->user,
- ring_pages(ctx->sq_entries, ctx->cq_entries));
free_uid(ctx->user);
put_cred(ctx->creds);
kfree(ctx->cancel_hash);
@@ -7398,6 +7438,16 @@ static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
if (ctx->rings)
io_cqring_overflow_flush(ctx, true);
idr_for_each(&ctx->personality_idr, io_remove_personalities, ctx);
+
+ /*
+ * Do this upfront, so we won't have a grace period where the ring
+ * is closed but resources aren't reaped yet. This can cause
+ * spurious failure in setting up a new ring.
+ */
+ if (ctx->account_mem)
+ io_unaccount_mem(ctx->user,
+ ring_pages(ctx->sq_entries, ctx->cq_entries));
+
INIT_WORK(&ctx->exit_work, io_ring_exit_work);
queue_work(system_wq, &ctx->exit_work);
}
@@ -7457,6 +7507,7 @@ static void io_uring_cancel_files(struct io_ring_ctx *ctx,
if (list_empty(&ctx->cq_overflow_list)) {
clear_bit(0, &ctx->sq_check_overflow);
clear_bit(0, &ctx->cq_check_overflow);
+ ctx->rings->sq_flags &= ~IORING_SQ_CQ_OVERFLOW;
}
spin_unlock_irq(&ctx->completion_lock);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index bb3d2c32664a..cce2510b2cca 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -7912,9 +7912,14 @@ nfs4_state_start_net(struct net *net)
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
int ret;
- ret = nfs4_state_create_net(net);
+ ret = get_nfsdfs(net);
if (ret)
return ret;
+ ret = nfs4_state_create_net(net);
+ if (ret) {
+ mntput(nn->nfsd_mnt);
+ return ret;
+ }
locks_start_grace(net, &nn->nfsd4_manager);
nfsd4_client_tracking_init(net);
if (nn->track_reclaim_completes && nn->reclaim_str_hashtbl_size == 0)
@@ -7984,6 +7989,7 @@ nfs4_state_shutdown_net(struct net *net)
nfsd4_client_tracking_exit(net);
nfs4_state_destroy_net(net);
+ mntput(nn->nfsd_mnt);
}
void
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b68e96681522..cd05732f8eaa 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1335,6 +1335,7 @@ void nfsd_client_rmdir(struct dentry *dentry)
WARN_ON_ONCE(ret);
fsnotify_rmdir(dir, dentry);
d_delete(dentry);
+ dput(dentry);
inode_unlock(dir);
}
@@ -1424,6 +1425,18 @@ static struct file_system_type nfsd_fs_type = {
};
MODULE_ALIAS_FS("nfsd");
+int get_nfsdfs(struct net *net)
+{
+ struct nfsd_net *nn = net_generic(net, nfsd_net_id);
+ struct vfsmount *mnt;
+
+ mnt = vfs_kern_mount(&nfsd_fs_type, SB_KERNMOUNT, "nfsd", NULL);
+ if (IS_ERR(mnt))
+ return PTR_ERR(mnt);
+ nn->nfsd_mnt = mnt;
+ return 0;
+}
+
#ifdef CONFIG_PROC_FS
static int create_proc_exports_entry(void)
{
@@ -1451,7 +1464,6 @@ unsigned int nfsd_net_id;
static __net_init int nfsd_init_net(struct net *net)
{
int retval;
- struct vfsmount *mnt;
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
retval = nfsd_export_init(net);
@@ -1478,16 +1490,8 @@ static __net_init int nfsd_init_net(struct net *net)
init_waitqueue_head(&nn->ntf_wq);
seqlock_init(&nn->boot_lock);
- mnt = vfs_kern_mount(&nfsd_fs_type, SB_KERNMOUNT, "nfsd", NULL);
- if (IS_ERR(mnt)) {
- retval = PTR_ERR(mnt);
- goto out_mount_err;
- }
- nn->nfsd_mnt = mnt;
return 0;
-out_mount_err:
- nfsd_reply_cache_shutdown(nn);
out_drc_error:
nfsd_idmap_shutdown(net);
out_idmap_error:
@@ -1500,7 +1504,6 @@ static __net_exit void nfsd_exit_net(struct net *net)
{
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
- mntput(nn->nfsd_mnt);
nfsd_reply_cache_shutdown(nn);
nfsd_idmap_shutdown(net);
nfsd_export_shutdown(net);
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 36cdd81b6688..57c832d1b30f 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -90,6 +90,8 @@ void nfsd_destroy(struct net *net);
bool i_am_nfsd(void);
+int get_nfsdfs(struct net *);
+
struct nfsdfs_client {
struct kref cl_ref;
void (*cl_release)(struct kref *kref);
@@ -100,6 +102,7 @@ struct dentry *nfsd_client_mkdir(struct nfsd_net *nn,
struct nfsdfs_client *ncl, u32 id, const struct tree_descr *);
void nfsd_client_rmdir(struct dentry *dentry);
+
#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
#ifdef CONFIG_NFSD_V2_ACL
extern const struct svc_version nfsd_acl_version2;
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index c3fbab1753ec..d22a056da477 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1226,6 +1226,9 @@ nfsd_create_locked(struct svc_rqst *rqstp, struct svc_fh *fhp,
iap->ia_mode = 0;
iap->ia_mode = (iap->ia_mode & S_IALLUGO) | type;
+ if (!IS_POSIXACL(dirp))
+ iap->ia_mode &= ~current_umask();
+
err = 0;
host_err = 0;
switch (type) {
@@ -1458,6 +1461,9 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
goto out;
}
+ if (!IS_POSIXACL(dirp))
+ iap->ia_mode &= ~current_umask();
+
host_err = vfs_create(dirp, dchild, iap->ia_mode, true);
if (host_err < 0) {
fh_drop_write(fhp);
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 42c5128c7d1c..6c1166ccdaea 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -566,8 +566,9 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *ubuf,
goto out;
/* don't even try if the size is too large */
- if (count > KMALLOC_MAX_SIZE)
- return -ENOMEM;
+ error = -ENOMEM;
+ if (count >= KMALLOC_MAX_SIZE)
+ goto out;
if (write) {
kbuf = memdup_user_nul(ubuf, count);
@@ -576,7 +577,6 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *ubuf,
goto out;
}
} else {
- error = -ENOMEM;
kbuf = kzalloc(count, GFP_KERNEL);
if (!kbuf)
goto out;
diff --git a/fs/read_write.c b/fs/read_write.c
index bbfa9b12b15e..4fb797822567 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -419,28 +419,42 @@ static ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, lo
return ret;
}
-ssize_t __vfs_read(struct file *file, char __user *buf, size_t count,
- loff_t *pos)
+ssize_t __kernel_read(struct file *file, void *buf, size_t count, loff_t *pos)
{
+ mm_segment_t old_fs = get_fs();
+ ssize_t ret;
+
+ if (WARN_ON_ONCE(!(file->f_mode & FMODE_READ)))
+ return -EINVAL;
+ if (!(file->f_mode & FMODE_CAN_READ))
+ return -EINVAL;
+
+ if (count > MAX_RW_COUNT)
+ count = MAX_RW_COUNT;
+ set_fs(KERNEL_DS);
if (file->f_op->read)
- return file->f_op->read(file, buf, count, pos);
+ ret = file->f_op->read(file, (void __user *)buf, count, pos);
else if (file->f_op->read_iter)
- return new_sync_read(file, buf, count, pos);
+ ret = new_sync_read(file, (void __user *)buf, count, pos);
else
- return -EINVAL;
+ ret = -EINVAL;
+ set_fs(old_fs);
+ if (ret > 0) {
+ fsnotify_access(file);
+ add_rchar(current, ret);
+ }
+ inc_syscr(current);
+ return ret;
}
ssize_t kernel_read(struct file *file, void *buf, size_t count, loff_t *pos)
{
- mm_segment_t old_fs;
- ssize_t result;
+ ssize_t ret;
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- /* The cast to a user pointer is valid due to the set_fs() */
- result = vfs_read(file, (void __user *)buf, count, pos);
- set_fs(old_fs);
- return result;
+ ret = rw_verify_area(READ, file, pos, count);
+ if (ret)
+ return ret;
+ return __kernel_read(file, buf, count, pos);
}
EXPORT_SYMBOL(kernel_read);
@@ -456,17 +470,22 @@ ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)
return -EFAULT;
ret = rw_verify_area(READ, file, pos, count);
- if (!ret) {
- if (count > MAX_RW_COUNT)
- count = MAX_RW_COUNT;
- ret = __vfs_read(file, buf, count, pos);
- if (ret > 0) {
- fsnotify_access(file);
- add_rchar(current, ret);
- }
- inc_syscr(current);
- }
+ if (ret)
+ return ret;
+ if (count > MAX_RW_COUNT)
+ count = MAX_RW_COUNT;
+ if (file->f_op->read)
+ ret = file->f_op->read(file, buf, count, pos);
+ else if (file->f_op->read_iter)
+ ret = new_sync_read(file, buf, count, pos);
+ else
+ ret = -EINVAL;
+ if (ret > 0) {
+ fsnotify_access(file);
+ add_rchar(current, ret);
+ }
+ inc_syscr(current);
return ret;
}
@@ -488,23 +507,15 @@ static ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t
return ret;
}
-static ssize_t __vfs_write(struct file *file, const char __user *p,
- size_t count, loff_t *pos)
-{
- if (file->f_op->write)
- return file->f_op->write(file, p, count, pos);
- else if (file->f_op->write_iter)
- return new_sync_write(file, p, count, pos);
- else
- return -EINVAL;
-}
-
+/* caller is responsible for file_start_write/file_end_write */
ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t *pos)
{
mm_segment_t old_fs;
const char __user *p;
ssize_t ret;
+ if (WARN_ON_ONCE(!(file->f_mode & FMODE_WRITE)))
+ return -EBADF;
if (!(file->f_mode & FMODE_CAN_WRITE))
return -EINVAL;
@@ -513,7 +524,12 @@ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t
p = (__force const char __user *)buf;
if (count > MAX_RW_COUNT)
count = MAX_RW_COUNT;
- ret = __vfs_write(file, p, count, pos);
+ if (file->f_op->write)
+ ret = file->f_op->write(file, p, count, pos);
+ else if (file->f_op->write_iter)
+ ret = new_sync_write(file, p, count, pos);
+ else
+ ret = -EINVAL;
set_fs(old_fs);
if (ret > 0) {
fsnotify_modify(file);
@@ -522,21 +538,20 @@ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t
inc_syscw(current);
return ret;
}
-EXPORT_SYMBOL(__kernel_write);
ssize_t kernel_write(struct file *file, const void *buf, size_t count,
loff_t *pos)
{
- mm_segment_t old_fs;
- ssize_t res;
+ ssize_t ret;
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- /* The cast to a user pointer is valid due to the set_fs() */
- res = vfs_write(file, (__force const char __user *)buf, count, pos);
- set_fs(old_fs);
+ ret = rw_verify_area(WRITE, file, pos, count);
+ if (ret)
+ return ret;
- return res;
+ file_start_write(file);
+ ret = __kernel_write(file, buf, count, pos);
+ file_end_write(file);
+ return ret;
}
EXPORT_SYMBOL(kernel_write);
@@ -552,19 +567,23 @@ ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_
return -EFAULT;
ret = rw_verify_area(WRITE, file, pos, count);
- if (!ret) {
- if (count > MAX_RW_COUNT)
- count = MAX_RW_COUNT;
- file_start_write(file);
- ret = __vfs_write(file, buf, count, pos);
- if (ret > 0) {
- fsnotify_modify(file);
- add_wchar(current, ret);
- }
- inc_syscw(current);
- file_end_write(file);
+ if (ret)
+ return ret;
+ if (count > MAX_RW_COUNT)
+ count = MAX_RW_COUNT;
+ file_start_write(file);
+ if (file->f_op->write)
+ ret = file->f_op->write(file, buf, count, pos);
+ else if (file->f_op->write_iter)
+ ret = new_sync_write(file, buf, count, pos);
+ else
+ ret = -EINVAL;
+ if (ret > 0) {
+ fsnotify_modify(file);
+ add_wchar(current, ret);
}
-
+ inc_syscw(current);
+ file_end_write(file);
return ret;
}
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index b43f0e8f43f2..9ed90368ab31 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -671,7 +671,8 @@ xlog_cil_push_work(
/*
* Wake up any background push waiters now this context is being pushed.
*/
- wake_up_all(&ctx->push_wait);
+ if (ctx->space_used >= XLOG_CIL_BLOCKING_SPACE_LIMIT(log))
+ wake_up_all(&cil->xc_push_wait);
/*
* Check if we've anything to push. If there is nothing, then we don't
@@ -743,13 +744,12 @@ xlog_cil_push_work(
/*
* initialise the new context and attach it to the CIL. Then attach
- * the current context to the CIL committing lsit so it can be found
+ * the current context to the CIL committing list so it can be found
* during log forces to extract the commit lsn of the sequence that
* needs to be forced.
*/
INIT_LIST_HEAD(&new_ctx->committing);
INIT_LIST_HEAD(&new_ctx->busy_extents);
- init_waitqueue_head(&new_ctx->push_wait);
new_ctx->sequence = ctx->sequence + 1;
new_ctx->cil = cil;
cil->xc_ctx = new_ctx;
@@ -937,7 +937,7 @@ xlog_cil_push_background(
if (cil->xc_ctx->space_used >= XLOG_CIL_BLOCKING_SPACE_LIMIT(log)) {
trace_xfs_log_cil_wait(log, cil->xc_ctx->ticket);
ASSERT(cil->xc_ctx->space_used < log->l_logsize);
- xlog_wait(&cil->xc_ctx->push_wait, &cil->xc_push_lock);
+ xlog_wait(&cil->xc_push_wait, &cil->xc_push_lock);
return;
}
@@ -1216,12 +1216,12 @@ xlog_cil_init(
INIT_LIST_HEAD(&cil->xc_committing);
spin_lock_init(&cil->xc_cil_lock);
spin_lock_init(&cil->xc_push_lock);
+ init_waitqueue_head(&cil->xc_push_wait);
init_rwsem(&cil->xc_ctx_lock);
init_waitqueue_head(&cil->xc_commit_wait);
INIT_LIST_HEAD(&ctx->committing);
INIT_LIST_HEAD(&ctx->busy_extents);
- init_waitqueue_head(&ctx->push_wait);
ctx->sequence = 1;
ctx->cil = cil;
cil->xc_ctx = ctx;
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index ec22c7a3867f..75a62870b63a 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -240,7 +240,6 @@ struct xfs_cil_ctx {
struct xfs_log_vec *lv_chain; /* logvecs being pushed */
struct list_head iclog_entry;
struct list_head committing; /* ctx committing list */
- wait_queue_head_t push_wait; /* background push throttle */
struct work_struct discard_endio_work;
};
@@ -274,6 +273,7 @@ struct xfs_cil {
wait_queue_head_t xc_commit_wait;
xfs_lsn_t xc_current_sequence;
struct work_struct xc_push_work;
+ wait_queue_head_t xc_push_wait; /* background push throttle */
} ____cacheline_aligned_in_smp;
/*
diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h
index 56527c85d122..088c1ded2714 100644
--- a/include/crypto/if_alg.h
+++ b/include/crypto/if_alg.h
@@ -29,8 +29,8 @@ struct alg_sock {
struct sock *parent;
- unsigned int refcnt;
- unsigned int nokey_refcnt;
+ atomic_t refcnt;
+ atomic_t nokey_refcnt;
const struct af_alg_type *type;
void *private;
diff --git a/include/linux/bits.h b/include/linux/bits.h
index 4671fbf28842..7f475d59a097 100644
--- a/include/linux/bits.h
+++ b/include/linux/bits.h
@@ -18,8 +18,7 @@
* position @h. For example
* GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000.
*/
-#if !defined(__ASSEMBLY__) && \
- (!defined(CONFIG_CC_IS_GCC) || CONFIG_GCC_VERSION >= 49000)
+#if !defined(__ASSEMBLY__)
#include <linux/build_bug.h>
#define GENMASK_INPUT_CHECK(h, l) \
(BUILD_BUG_ON_ZERO(__builtin_choose_expr( \
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8fd900998b4e..57241417ff2f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -590,6 +590,7 @@ struct request_queue {
u64 write_hints[BLK_MAX_WRITE_HINTS];
};
+/* Keep blk_queue_flag_name[] in sync with the definitions below */
#define QUEUE_FLAG_STOPPED 0 /* queue is stopped */
#define QUEUE_FLAG_DYING 1 /* queue being torn down */
#define QUEUE_FLAG_NOMERGES 3 /* disable merge attempts */
diff --git a/include/linux/bpf-netns.h b/include/linux/bpf-netns.h
index 4052d649f36d..47d5b0c708c9 100644
--- a/include/linux/bpf-netns.h
+++ b/include/linux/bpf-netns.h
@@ -33,7 +33,7 @@ int netns_bpf_prog_query(const union bpf_attr *attr,
union bpf_attr __user *uattr);
int netns_bpf_prog_attach(const union bpf_attr *attr,
struct bpf_prog *prog);
-int netns_bpf_prog_detach(const union bpf_attr *attr);
+int netns_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype);
int netns_bpf_link_create(const union bpf_attr *attr,
struct bpf_prog *prog);
#else
@@ -49,7 +49,8 @@ static inline int netns_bpf_prog_attach(const union bpf_attr *attr,
return -EOPNOTSUPP;
}
-static inline int netns_bpf_prog_detach(const union bpf_attr *attr)
+static inline int netns_bpf_prog_detach(const union bpf_attr *attr,
+ enum bpf_prog_type ptype)
{
return -EOPNOTSUPP;
}
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 07052d44bca1..9750a1902ee5 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1543,13 +1543,16 @@ static inline void bpf_map_offload_map_free(struct bpf_map *map)
#endif /* CONFIG_NET && CONFIG_BPF_SYSCALL */
#if defined(CONFIG_BPF_STREAM_PARSER)
-int sock_map_prog_update(struct bpf_map *map, struct bpf_prog *prog, u32 which);
+int sock_map_prog_update(struct bpf_map *map, struct bpf_prog *prog,
+ struct bpf_prog *old, u32 which);
int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog);
+int sock_map_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype);
void sock_map_unhash(struct sock *sk);
void sock_map_close(struct sock *sk, long timeout);
#else
static inline int sock_map_prog_update(struct bpf_map *map,
- struct bpf_prog *prog, u32 which)
+ struct bpf_prog *prog,
+ struct bpf_prog *old, u32 which)
{
return -EOPNOTSUPP;
}
@@ -1559,6 +1562,12 @@ static inline int sock_map_get_from_fd(const union bpf_attr *attr,
{
return -EINVAL;
}
+
+static inline int sock_map_prog_detach(const union bpf_attr *attr,
+ enum bpf_prog_type ptype)
+{
+ return -EOPNOTSUPP;
+}
#endif /* CONFIG_BPF_STREAM_PARSER */
#if defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL)
diff --git a/include/linux/btf.h b/include/linux/btf.h
index 5c1ea99b480f..8b81fbb4497c 100644
--- a/include/linux/btf.h
+++ b/include/linux/btf.h
@@ -82,6 +82,11 @@ static inline bool btf_type_is_int(const struct btf_type *t)
return BTF_INFO_KIND(t->info) == BTF_KIND_INT;
}
+static inline bool btf_type_is_small_int(const struct btf_type *t)
+{
+ return btf_type_is_int(t) && t->size <= sizeof(u64);
+}
+
static inline bool btf_type_is_enum(const struct btf_type *t)
{
return BTF_INFO_KIND(t->info) == BTF_KIND_ENUM;
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 52661155f85f..fee0b5547cd0 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -790,7 +790,9 @@ struct sock_cgroup_data {
union {
#ifdef __LITTLE_ENDIAN
struct {
- u8 is_data;
+ u8 is_data : 1;
+ u8 no_refcnt : 1;
+ u8 unused : 6;
u8 padding;
u16 prioidx;
u32 classid;
@@ -800,7 +802,9 @@ struct sock_cgroup_data {
u32 classid;
u16 prioidx;
u8 padding;
- u8 is_data;
+ u8 unused : 6;
+ u8 no_refcnt : 1;
+ u8 is_data : 1;
} __packed;
#endif
u64 val;
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 4598e4da6b1b..618838c48313 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -822,6 +822,7 @@ extern spinlock_t cgroup_sk_update_lock;
void cgroup_sk_alloc_disable(void);
void cgroup_sk_alloc(struct sock_cgroup_data *skcd);
+void cgroup_sk_clone(struct sock_cgroup_data *skcd);
void cgroup_sk_free(struct sock_cgroup_data *skcd);
static inline struct cgroup *sock_cgroup_ptr(struct sock_cgroup_data *skcd)
@@ -835,7 +836,7 @@ static inline struct cgroup *sock_cgroup_ptr(struct sock_cgroup_data *skcd)
*/
v = READ_ONCE(skcd->val);
- if (v & 1)
+ if (v & 3)
return &cgrp_dfl_root.cgrp;
return (struct cgroup *)(unsigned long)v ?: &cgrp_dfl_root.cgrp;
@@ -847,6 +848,7 @@ static inline struct cgroup *sock_cgroup_ptr(struct sock_cgroup_data *skcd)
#else /* CONFIG_CGROUP_DATA */
static inline void cgroup_sk_alloc(struct sock_cgroup_data *skcd) {}
+static inline void cgroup_sk_clone(struct sock_cgroup_data *skcd) {}
static inline void cgroup_sk_free(struct sock_cgroup_data *skcd) {}
#endif /* CONFIG_CGROUP_DATA */
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 1c74464c80c6..0b1dc61f3955 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -11,7 +11,7 @@
+ __GNUC_PATCHLEVEL__)
/* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 */
-#if GCC_VERSION < 40800
+#if GCC_VERSION < 40900
# error Sorry, your compiler is too old - please upgrade it.
#endif
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index c3bf7710f69a..01dd58c74d80 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -252,32 +252,8 @@ struct ftrace_likely_data {
* __unqual_scalar_typeof(x) - Declare an unqualified scalar type, leaving
* non-scalar types unchanged.
*/
-#if (defined(CONFIG_CC_IS_GCC) && CONFIG_GCC_VERSION < 40900) || defined(__CHECKER__)
/*
- * We build this out of a couple of helper macros in a vain attempt to
- * help you keep your lunch down while reading it.
- */
-#define __pick_scalar_type(x, type, otherwise) \
- __builtin_choose_expr(__same_type(x, type), (type)0, otherwise)
-
-/*
- * 'char' is not type-compatible with either 'signed char' or 'unsigned char',
- * so we include the naked type here as well as the signed/unsigned variants.
- */
-#define __pick_integer_type(x, type, otherwise) \
- __pick_scalar_type(x, type, \
- __pick_scalar_type(x, unsigned type, \
- __pick_scalar_type(x, signed type, otherwise)))
-
-#define __unqual_scalar_typeof(x) typeof( \
- __pick_integer_type(x, char, \
- __pick_integer_type(x, short, \
- __pick_integer_type(x, int, \
- __pick_integer_type(x, long, \
- __pick_integer_type(x, long long, x))))))
-#else
-/*
- * If supported, prefer C11 _Generic for better compile-times. As above, 'char'
+ * Prefer C11 _Generic for better compile-times and simpler code. Note: 'char'
* is not type-compatible with 'signed char', and we define a separate case.
*/
#define __scalar_type_to_expr_cases(type) \
@@ -293,7 +269,6 @@ struct ftrace_likely_data {
__scalar_type_to_expr_cases(long), \
__scalar_type_to_expr_cases(long long), \
default: (x)))
-#endif
/* Is this type a native word size -- useful for atomic operations */
#define __native_word(t) \
diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h
index cdfa400f89b3..5184735a0fe8 100644
--- a/include/linux/dma-direct.h
+++ b/include/linux/dma-direct.h
@@ -85,4 +85,5 @@ int dma_direct_mmap(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs);
int dma_direct_supported(struct device *dev, u64 mask);
+bool dma_direct_need_sync(struct device *dev, dma_addr_t dma_addr);
#endif /* _LINUX_DMA_DIRECT_H */
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 78f677cf45ab..a33ed3954ed4 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -461,6 +461,7 @@ int dma_set_mask(struct device *dev, u64 mask);
int dma_set_coherent_mask(struct device *dev, u64 mask);
u64 dma_get_required_mask(struct device *dev);
size_t dma_max_mapping_size(struct device *dev);
+bool dma_need_sync(struct device *dev, dma_addr_t dma_addr);
unsigned long dma_get_merge_boundary(struct device *dev);
#else /* CONFIG_HAS_DMA */
static inline dma_addr_t dma_map_page_attrs(struct device *dev,
@@ -571,6 +572,10 @@ static inline size_t dma_max_mapping_size(struct device *dev)
{
return 0;
}
+static inline bool dma_need_sync(struct device *dev, dma_addr_t dma_addr)
+{
+ return false;
+}
static inline unsigned long dma_get_merge_boundary(struct device *dev)
{
return 0;
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 259377723603..0b0144752d78 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -884,12 +884,12 @@ void bpf_jit_compile(struct bpf_prog *prog);
bool bpf_jit_needs_zext(void);
bool bpf_helper_changes_pkt_data(void *func);
-static inline bool bpf_dump_raw_ok(void)
+static inline bool bpf_dump_raw_ok(const struct cred *cred)
{
/* Reconstruction of call-sites is dependent on kallsyms,
* thus make dump the same restriction.
*/
- return kallsyms_show_value() == 1;
+ return kallsyms_show_value(cred);
}
struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3f881a892ea7..f5abba86107d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -315,6 +315,7 @@ enum rw_hint {
#define IOCB_SYNC (1 << 5)
#define IOCB_WRITE (1 << 6)
#define IOCB_NOWAIT (1 << 7)
+#define IOCB_NOIO (1 << 9)
struct kiocb {
struct file *ki_filp;
@@ -1917,7 +1918,6 @@ ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
struct iovec *fast_pointer,
struct iovec **ret_pointer);
-extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *);
extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
extern ssize_t vfs_readv(struct file *, const struct iovec __user *,
@@ -3033,6 +3033,7 @@ extern int kernel_read_file_from_path_initns(const char *, void **, loff_t *, lo
extern int kernel_read_file_from_fd(int, void **, loff_t *, loff_t,
enum kernel_read_file_id);
extern ssize_t kernel_read(struct file *, void *, size_t, loff_t *);
+ssize_t __kernel_read(struct file *file, void *buf, size_t count, loff_t *pos);
extern ssize_t kernel_write(struct file *, const void *, size_t, loff_t *);
extern ssize_t __kernel_write(struct file *, const void *, size_t, loff_t *);
extern struct file * open_exec(const char *);
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index fe15f831841b..9f732499ea88 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -3333,13 +3333,17 @@ struct ieee80211_multiple_bssid_configuration {
#define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
#define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
#define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
+#define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
#define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
#define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
+#define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
#define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
#define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
#define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
#define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
#define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
+#define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
+#define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
#define WLAN_MAX_KEY_LEN 32
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index b05e855f1ddd..41a518336673 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -25,6 +25,8 @@
#define VLAN_ETH_DATA_LEN 1500 /* Max. octets in payload */
#define VLAN_ETH_FRAME_LEN 1518 /* Max. octets in frame sans FCS */
+#define VLAN_MAX_DEPTH 8 /* Max. number of nested VLAN tags parsed */
+
/*
* struct vlan_hdr - vlan header
* @h_vlan_TCI: priority and VLAN ID
@@ -577,10 +579,10 @@ static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)
* Returns the EtherType of the packet, regardless of whether it is
* vlan encapsulated (normal or hardware accelerated) or not.
*/
-static inline __be16 __vlan_get_protocol(struct sk_buff *skb, __be16 type,
+static inline __be16 __vlan_get_protocol(const struct sk_buff *skb, __be16 type,
int *depth)
{
- unsigned int vlan_depth = skb->mac_len;
+ unsigned int vlan_depth = skb->mac_len, parse_depth = VLAN_MAX_DEPTH;
/* if type is 802.1Q/AD then the header should already be
* present at mac_len - VLAN_HLEN (if mac_len > 0), or at
@@ -595,13 +597,12 @@ static inline __be16 __vlan_get_protocol(struct sk_buff *skb, __be16 type,
vlan_depth = ETH_HLEN;
}
do {
- struct vlan_hdr *vh;
+ struct vlan_hdr vhdr, *vh;
- if (unlikely(!pskb_may_pull(skb,
- vlan_depth + VLAN_HLEN)))
+ vh = skb_header_pointer(skb, vlan_depth, sizeof(vhdr), &vhdr);
+ if (unlikely(!vh || !--parse_depth))
return 0;
- vh = (struct vlan_hdr *)(skb->data + vlan_depth);
type = vh->h_vlan_encapsulated_proto;
vlan_depth += VLAN_HLEN;
} while (eth_type_vlan(type));
@@ -620,11 +621,25 @@ static inline __be16 __vlan_get_protocol(struct sk_buff *skb, __be16 type,
* Returns the EtherType of the packet, regardless of whether it is
* vlan encapsulated (normal or hardware accelerated) or not.
*/
-static inline __be16 vlan_get_protocol(struct sk_buff *skb)
+static inline __be16 vlan_get_protocol(const struct sk_buff *skb)
{
return __vlan_get_protocol(skb, skb->protocol, NULL);
}
+/* A getter for the SKB protocol field which will handle VLAN tags consistently
+ * whether VLAN acceleration is enabled or not.
+ */
+static inline __be16 skb_protocol(const struct sk_buff *skb, bool skip_vlan)
+{
+ if (!skip_vlan)
+ /* VLAN acceleration strips the VLAN header from the skb and
+ * moves it to skb->vlan_proto
+ */
+ return skb_vlan_tag_present(skb) ? skb->vlan_proto : skb->protocol;
+
+ return vlan_get_protocol(skb);
+}
+
static inline void vlan_set_encap_proto(struct sk_buff *skb,
struct vlan_hdr *vhdr)
{
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
index 98338dc6b5d2..481273f0c72d 100644
--- a/include/linux/kallsyms.h
+++ b/include/linux/kallsyms.h
@@ -18,6 +18,7 @@
#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + (KSYM_NAME_LEN - 1) + \
2*(BITS_PER_LONG*3/10) + (MODULE_NAME_LEN - 1) + 1)
+struct cred;
struct module;
static inline int is_kernel_inittext(unsigned long addr)
@@ -98,7 +99,7 @@ int lookup_symbol_name(unsigned long addr, char *symname);
int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name);
/* How and when do we show kallsyms values? */
-extern int kallsyms_show_value(void);
+extern bool kallsyms_show_value(const struct cred *cred);
#else /* !CONFIG_KALLSYMS */
@@ -158,7 +159,7 @@ static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, u
return -ERANGE;
}
-static inline int kallsyms_show_value(void)
+static inline bool kallsyms_show_value(const struct cred *cred)
{
return false;
}
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 529116b0cabe..477b8b7c908f 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -177,6 +177,17 @@ kgdb_arch_handle_exception(int vector, int signo, int err_code,
struct pt_regs *regs);
/**
+ * kgdb_arch_handle_qxfer_pkt - Handle architecture specific GDB XML
+ * packets.
+ * @remcom_in_buffer: The buffer of the packet we have read.
+ * @remcom_out_buffer: The buffer of %BUFMAX bytes to write a packet into.
+ */
+
+extern void
+kgdb_arch_handle_qxfer_pkt(char *remcom_in_buffer,
+ char *remcom_out_buffer);
+
+/**
* kgdb_call_nmi_hook - Call kgdb_nmicallback() on the current CPU
* @ignored: This parameter is only here to match the prototype.
*
@@ -314,6 +325,7 @@ extern int kgdb_hex2mem(char *buf, char *mem, int count);
extern int kgdb_isremovedbreak(unsigned long addr);
extern void kgdb_schedule_breakpoint(void);
+extern int kgdb_has_hit_break(unsigned long addr);
extern int
kgdb_handle_exception(int ex_vector, int signo, int err_code,
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index 6791813cd439..af998f93d256 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -150,7 +150,7 @@ LSM_HOOK(int, 0, inode_listsecurity, struct inode *inode, char *buffer,
size_t buffer_size)
LSM_HOOK(void, LSM_RET_VOID, inode_getsecid, struct inode *inode, u32 *secid)
LSM_HOOK(int, 0, inode_copy_up, struct dentry *src, struct cred **new)
-LSM_HOOK(int, 0, inode_copy_up_xattr, const char *name)
+LSM_HOOK(int, -EOPNOTSUPP, inode_copy_up_xattr, const char *name)
LSM_HOOK(int, 0, kernfs_init_security, struct kernfs_node *kn_dir,
struct kernfs_node *kn)
LSM_HOOK(int, 0, file_permission, struct file *file, int mask)
@@ -360,7 +360,7 @@ LSM_HOOK(int, 0, key_alloc, struct key *key, const struct cred *cred,
unsigned long flags)
LSM_HOOK(void, LSM_RET_VOID, key_free, struct key *key)
LSM_HOOK(int, 0, key_permission, key_ref_t key_ref, const struct cred *cred,
- unsigned perm)
+ enum key_need_perm need_perm)
LSM_HOOK(int, 0, key_getsecurity, struct key *key, char **_buffer)
#endif /* CONFIG_KEYS */
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 13c0e4556eda..1e6ca716635a 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -147,6 +147,7 @@ enum {
MLX5_REG_MCDA = 0x9063,
MLX5_REG_MCAM = 0x907f,
MLX5_REG_MIRC = 0x9162,
+ MLX5_REG_SBCAM = 0xB01F,
MLX5_REG_RESOURCE_DUMP = 0xC000,
};
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index ca1887dd0423..073b79eacc99 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -9960,6 +9960,34 @@ struct mlx5_ifc_pptb_reg_bits {
u8 untagged_buff[0x4];
};
+struct mlx5_ifc_sbcam_reg_bits {
+ u8 reserved_at_0[0x8];
+ u8 feature_group[0x8];
+ u8 reserved_at_10[0x8];
+ u8 access_reg_group[0x8];
+
+ u8 reserved_at_20[0x20];
+
+ u8 sb_access_reg_cap_mask[4][0x20];
+
+ u8 reserved_at_c0[0x80];
+
+ u8 sb_feature_cap_mask[4][0x20];
+
+ u8 reserved_at_1c0[0x40];
+
+ u8 cap_total_buffer_size[0x20];
+
+ u8 cap_cell_size[0x10];
+ u8 cap_max_pg_buffers[0x8];
+ u8 cap_num_pool_supported[0x8];
+
+ u8 reserved_at_240[0x8];
+ u8 cap_sbsr_stat_size[0x8];
+ u8 cap_max_tclass_data[0x8];
+ u8 cap_max_cpu_ingress_tclass_sb[0x8];
+};
+
struct mlx5_ifc_pbmc_reg_bits {
u8 reserved_at_0[0x8];
u8 local_port[0x8];
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c79d83304e52..34c1c4f45288 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2169,12 +2169,11 @@ static inline int pci_pcie_type(const struct pci_dev *dev)
*/
static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
{
- struct pci_dev *bridge = pci_upstream_bridge(dev);
-
- while (bridge) {
- if (pci_pcie_type(bridge) == PCI_EXP_TYPE_ROOT_PORT)
- return bridge;
- bridge = pci_upstream_bridge(bridge);
+ while (dev) {
+ if (pci_is_pcie(dev) &&
+ pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+ return dev;
+ dev = pci_upstream_bridge(dev);
}
return NULL;
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index 4f922afb607a..45cf7b69d852 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -155,7 +155,7 @@ static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
* Loop over each sg element in the given sg_table object.
*/
#define for_each_sgtable_sg(sgt, sg, i) \
- for_each_sg(sgt->sgl, sg, sgt->orig_nents, i)
+ for_each_sg((sgt)->sgl, sg, (sgt)->orig_nents, i)
/*
* Loop over each sg element in the given *DMA mapped* sg_table object.
@@ -163,7 +163,7 @@ static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
* of the each element.
*/
#define for_each_sgtable_dma_sg(sgt, sg, i) \
- for_each_sg(sgt->sgl, sg, sgt->nents, i)
+ for_each_sg((sgt)->sgl, sg, (sgt)->nents, i)
/**
* sg_chain - Chain two sglists together
@@ -451,7 +451,7 @@ sg_page_iter_dma_address(struct sg_dma_page_iter *dma_iter)
* See also for_each_sg_page(). In each loop it operates on PAGE_SIZE unit.
*/
#define for_each_sgtable_page(sgt, piter, pgoffset) \
- for_each_sg_page(sgt->sgl, piter, sgt->orig_nents, pgoffset)
+ for_each_sg_page((sgt)->sgl, piter, (sgt)->orig_nents, pgoffset)
/**
* for_each_sgtable_dma_page - iterate over the DMA mapped sg_table object
@@ -465,7 +465,7 @@ sg_page_iter_dma_address(struct sg_dma_page_iter *dma_iter)
* unit.
*/
#define for_each_sgtable_dma_page(sgt, dma_iter, pgoffset) \
- for_each_sg_dma_page(sgt->sgl, dma_iter, sgt->nents, pgoffset)
+ for_each_sg_dma_page((sgt)->sgl, dma_iter, (sgt)->nents, pgoffset)
/*
diff --git a/include/linux/sched/jobctl.h b/include/linux/sched/jobctl.h
index fa067de9f1a9..d2b4204ba4d3 100644
--- a/include/linux/sched/jobctl.h
+++ b/include/linux/sched/jobctl.h
@@ -19,6 +19,7 @@ struct task_struct;
#define JOBCTL_TRAPPING_BIT 21 /* switching to TRACED */
#define JOBCTL_LISTENING_BIT 22 /* ptracer is listening for events */
#define JOBCTL_TRAP_FREEZE_BIT 23 /* trap for cgroup freezer */
+#define JOBCTL_TASK_WORK_BIT 24 /* set by TWA_SIGNAL */
#define JOBCTL_STOP_DEQUEUED (1UL << JOBCTL_STOP_DEQUEUED_BIT)
#define JOBCTL_STOP_PENDING (1UL << JOBCTL_STOP_PENDING_BIT)
@@ -28,9 +29,10 @@ struct task_struct;
#define JOBCTL_TRAPPING (1UL << JOBCTL_TRAPPING_BIT)
#define JOBCTL_LISTENING (1UL << JOBCTL_LISTENING_BIT)
#define JOBCTL_TRAP_FREEZE (1UL << JOBCTL_TRAP_FREEZE_BIT)
+#define JOBCTL_TASK_WORK (1UL << JOBCTL_TASK_WORK_BIT)
#define JOBCTL_TRAP_MASK (JOBCTL_TRAP_STOP | JOBCTL_TRAP_NOTIFY)
-#define JOBCTL_PENDING_MASK (JOBCTL_STOP_PENDING | JOBCTL_TRAP_MASK)
+#define JOBCTL_PENDING_MASK (JOBCTL_STOP_PENDING | JOBCTL_TRAP_MASK | JOBCTL_TASK_WORK)
extern bool task_set_jobctl_pending(struct task_struct *task, unsigned long mask);
extern void task_clear_jobctl_trapping(struct task_struct *task);
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index 08674cd14d5a..1e9ed840b9fc 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -430,6 +430,19 @@ static inline void psock_set_prog(struct bpf_prog **pprog,
bpf_prog_put(prog);
}
+static inline int psock_replace_prog(struct bpf_prog **pprog,
+ struct bpf_prog *prog,
+ struct bpf_prog *old)
+{
+ if (cmpxchg(pprog, old, prog) != old)
+ return -ENOENT;
+
+ if (old)
+ bpf_prog_put(old);
+
+ return 0;
+}
+
static inline void psock_progs_drop(struct sk_psock_progs *progs)
{
psock_set_prog(&progs->msg_parser, NULL);
diff --git a/include/linux/task_work.h b/include/linux/task_work.h
index bd9a6a91c097..0fb93aafa478 100644
--- a/include/linux/task_work.h
+++ b/include/linux/task_work.h
@@ -13,7 +13,10 @@ init_task_work(struct callback_head *twork, task_work_func_t func)
twork->func = func;
}
-int task_work_add(struct task_struct *task, struct callback_head *twork, bool);
+#define TWA_RESUME 1
+#define TWA_SIGNAL 2
+int task_work_add(struct task_struct *task, struct callback_head *twork, int);
+
struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
void task_work_run(void);
diff --git a/include/net/dst.h b/include/net/dst.h
index 07adfacd8088..852d8fb36ab7 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -400,7 +400,15 @@ static inline struct neighbour *dst_neigh_lookup(const struct dst_entry *dst, co
static inline struct neighbour *dst_neigh_lookup_skb(const struct dst_entry *dst,
struct sk_buff *skb)
{
- struct neighbour *n = dst->ops->neigh_lookup(dst, skb, NULL);
+ struct neighbour *n = NULL;
+
+ /* The packets from tunnel devices (eg bareudp) may have only
+ * metadata in the dst pointer of skb. Hence a pointer check of
+ * neigh_lookup is needed.
+ */
+ if (dst->ops->neigh_lookup)
+ n = dst->ops->neigh_lookup(dst, skb, NULL);
+
return IS_ERR(n) ? NULL : n;
}
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index a7eba43fe4e4..4b6e36288ddd 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -372,7 +372,8 @@ flow_dissector_init_keys(struct flow_dissector_key_control *key_control,
}
#ifdef CONFIG_BPF_SYSCALL
-int flow_dissector_bpf_prog_attach(struct net *net, struct bpf_prog *prog);
+int flow_dissector_bpf_prog_attach_check(struct net *net,
+ struct bpf_prog *prog);
#endif /* CONFIG_BPF_SYSCALL */
#endif
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 74950663bb00..6e5f1e1aa822 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -35,13 +35,6 @@ struct genl_info;
* do additional, common, filtering and return an error
* @post_doit: called after an operation's doit callback, it may
* undo operations done by pre_doit, for example release locks
- * @mcast_bind: a socket bound to the given multicast group (which
- * is given as the offset into the groups array)
- * @mcast_unbind: a socket was unbound from the given multicast group.
- * Note that unbind() will not be called symmetrically if the
- * generic netlink family is removed while there are still open
- * sockets.
- * @attrbuf: buffer to store parsed attributes (private)
* @mcgrps: multicast groups used by this family
* @n_mcgrps: number of multicast groups
* @mcgrp_offset: starting number of multicast group IDs in this family
@@ -64,9 +57,6 @@ struct genl_family {
void (*post_doit)(const struct genl_ops *ops,
struct sk_buff *skb,
struct genl_info *info);
- int (*mcast_bind)(struct net *net, int group);
- void (*mcast_unbind)(struct net *net, int group);
- struct nlattr ** attrbuf; /* private */
const struct genl_ops * ops;
const struct genl_multicast_group *mcgrps;
unsigned int n_ops;
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index 0f0d1efe06dd..e1eaf1780288 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -4,6 +4,7 @@
#include <linux/ip.h>
#include <linux/skbuff.h>
+#include <linux/if_vlan.h>
#include <net/inet_sock.h>
#include <net/dsfield.h>
@@ -172,7 +173,7 @@ static inline void ipv6_copy_dscp(unsigned int dscp, struct ipv6hdr *inner)
static inline int INET_ECN_set_ce(struct sk_buff *skb)
{
- switch (skb->protocol) {
+ switch (skb_protocol(skb, true)) {
case cpu_to_be16(ETH_P_IP):
if (skb_network_header(skb) + sizeof(struct iphdr) <=
skb_tail_pointer(skb))
@@ -191,7 +192,7 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb)
static inline int INET_ECN_set_ect1(struct sk_buff *skb)
{
- switch (skb->protocol) {
+ switch (skb_protocol(skb, true)) {
case cpu_to_be16(ETH_P_IP):
if (skb_network_header(skb) + sizeof(struct iphdr) <=
skb_tail_pointer(skb))
@@ -272,12 +273,16 @@ static inline int IP_ECN_decapsulate(const struct iphdr *oiph,
{
__u8 inner;
- if (skb->protocol == htons(ETH_P_IP))
+ switch (skb_protocol(skb, true)) {
+ case htons(ETH_P_IP):
inner = ip_hdr(skb)->tos;
- else if (skb->protocol == htons(ETH_P_IPV6))
+ break;
+ case htons(ETH_P_IPV6):
inner = ipv6_get_dsfield(ipv6_hdr(skb));
- else
+ break;
+ default:
return 0;
+ }
return INET_ECN_decapsulate(skb, oiph->tos, inner);
}
@@ -287,12 +292,16 @@ static inline int IP6_ECN_decapsulate(const struct ipv6hdr *oipv6h,
{
__u8 inner;
- if (skb->protocol == htons(ETH_P_IP))
+ switch (skb_protocol(skb, true)) {
+ case htons(ETH_P_IP):
inner = ip_hdr(skb)->tos;
- else if (skb->protocol == htons(ETH_P_IPV6))
+ break;
+ case htons(ETH_P_IPV6):
inner = ipv6_get_dsfield(ipv6_hdr(skb));
- else
+ break;
+ default:
return 0;
+ }
return INET_ECN_decapsulate(skb, ipv6_get_dsfield(oipv6h), inner);
}
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 076e5d7db7d3..36025dea7612 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -290,6 +290,9 @@ int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
struct ip_tunnel_parm *p, __u32 fwmark);
void ip_tunnel_setup(struct net_device *dev, unsigned int net_id);
+extern const struct header_ops ip_tunnel_header_ops;
+__be16 ip_tunnel_parse_protocol(const struct sk_buff *skb);
+
struct ip_tunnel_encap_ops {
size_t (*encap_hlen)(struct ip_tunnel_encap *e);
int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e,
diff --git a/include/net/netns/bpf.h b/include/net/netns/bpf.h
index a8dce2a380c8..0ca6a1b87185 100644
--- a/include/net/netns/bpf.h
+++ b/include/net/netns/bpf.h
@@ -9,10 +9,13 @@
#include <linux/bpf-netns.h>
struct bpf_prog;
+struct bpf_prog_array;
struct netns_bpf {
- struct bpf_prog __rcu *progs[MAX_NETNS_BPF_ATTACH_TYPE];
- struct bpf_link *links[MAX_NETNS_BPF_ATTACH_TYPE];
+ /* Array of programs to run compiled from progs or links */
+ struct bpf_prog_array __rcu *run_array[MAX_NETNS_BPF_ATTACH_TYPE];
+ struct bpf_prog *progs[MAX_NETNS_BPF_ATTACH_TYPE];
+ struct list_head links[MAX_NETNS_BPF_ATTACH_TYPE];
};
#endif /* __NETNS_BPF_H__ */
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 9092e697059e..ac8c890a2657 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -136,17 +136,6 @@ static inline void qdisc_run(struct Qdisc *q)
}
}
-static inline __be16 tc_skb_protocol(const struct sk_buff *skb)
-{
- /* We need to take extra care in case the skb came via
- * vlan accelerated path. In that case, use skb->vlan_proto
- * as the original vlan header was already stripped.
- */
- if (skb_vlan_tag_present(skb))
- return skb->vlan_proto;
- return skb->protocol;
-}
-
/* Calculate maximal size of packet seen by hard_start_xmit
routine of this device.
*/
diff --git a/include/net/sock.h b/include/net/sock.h
index 3428619faae4..1183507df95b 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -533,7 +533,8 @@ enum sk_pacing {
* be copied.
*/
#define SK_USER_DATA_NOCOPY 1UL
-#define SK_USER_DATA_PTRMASK ~(SK_USER_DATA_NOCOPY)
+#define SK_USER_DATA_BPF 2UL /* Managed by BPF */
+#define SK_USER_DATA_PTRMASK ~(SK_USER_DATA_NOCOPY | SK_USER_DATA_BPF)
/**
* sk_user_data_is_nocopy - Test if sk_user_data pointer must not be copied
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h
index a4ff226505c9..6842990e2712 100644
--- a/include/net/xsk_buff_pool.h
+++ b/include/net/xsk_buff_pool.h
@@ -40,7 +40,7 @@ struct xsk_buff_pool {
u32 headroom;
u32 chunk_size;
u32 frame_len;
- bool cheap_dma;
+ bool dma_need_sync;
bool unaligned;
void *addrs;
struct device *dev;
@@ -80,7 +80,7 @@ static inline dma_addr_t xp_get_frame_dma(struct xdp_buff_xsk *xskb)
void xp_dma_sync_for_cpu_slow(struct xdp_buff_xsk *xskb);
static inline void xp_dma_sync_for_cpu(struct xdp_buff_xsk *xskb)
{
- if (xskb->pool->cheap_dma)
+ if (!xskb->pool->dma_need_sync)
return;
xp_dma_sync_for_cpu_slow(xskb);
@@ -91,7 +91,7 @@ void xp_dma_sync_for_device_slow(struct xsk_buff_pool *pool, dma_addr_t dma,
static inline void xp_dma_sync_for_device(struct xsk_buff_pool *pool,
dma_addr_t dma, size_t size)
{
- if (pool->cheap_dma)
+ if (!pool->dma_need_sync)
return;
xp_dma_sync_for_device_slow(pool, dma, size);
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index 6ce8effa0b12..70cbc5095e72 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -66,6 +66,7 @@ struct snd_compr_runtime {
* @direction: stream direction, playback/recording
* @metadata_set: metadata set flag, true when set
* @next_track: has userspace signal next track transition, true when set
+ * @partial_drain: undergoing partial_drain for stream, true when set
* @private_data: pointer to DSP private data
* @dma_buffer: allocated buffer if any
*/
@@ -78,6 +79,7 @@ struct snd_compr_stream {
enum snd_compr_direction direction;
bool metadata_set;
bool next_track;
+ bool partial_drain;
void *private_data;
struct snd_dma_buffer dma_buffer;
};
@@ -182,7 +184,13 @@ static inline void snd_compr_drain_notify(struct snd_compr_stream *stream)
if (snd_BUG_ON(!stream))
return;
- stream->runtime->state = SNDRV_PCM_STATE_SETUP;
+ /* for partial_drain case we are back to running state on success */
+ if (stream->partial_drain) {
+ stream->runtime->state = SNDRV_PCM_STATE_RUNNING;
+ stream->partial_drain = false; /* clear this flag as well */
+ } else {
+ stream->runtime->state = SNDRV_PCM_STATE_SETUP;
+ }
wake_up(&stream->runtime->sleep);
}
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 974a71342aea..8bd33050b7bb 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -3171,13 +3171,12 @@ union bpf_attr {
* int bpf_ringbuf_output(void *ringbuf, void *data, u64 size, u64 flags)
* Description
* Copy *size* bytes from *data* into a ring buffer *ringbuf*.
- * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
- * new data availability is sent.
- * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
- * new data availability is sent unconditionally.
+ * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification
+ * of new data availability is sent.
+ * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification
+ * of new data availability is sent unconditionally.
* Return
- * 0, on success;
- * < 0, on error.
+ * 0 on success, or a negative error in case of failure.
*
* void *bpf_ringbuf_reserve(void *ringbuf, u64 size, u64 flags)
* Description
@@ -3189,20 +3188,20 @@ union bpf_attr {
* void bpf_ringbuf_submit(void *data, u64 flags)
* Description
* Submit reserved ring buffer sample, pointed to by *data*.
- * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
- * new data availability is sent.
- * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
- * new data availability is sent unconditionally.
+ * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification
+ * of new data availability is sent.
+ * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification
+ * of new data availability is sent unconditionally.
* Return
* Nothing. Always succeeds.
*
* void bpf_ringbuf_discard(void *data, u64 flags)
* Description
* Discard reserved ring buffer sample, pointed to by *data*.
- * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
- * new data availability is sent.
- * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
- * new data availability is sent unconditionally.
+ * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification
+ * of new data availability is sent.
+ * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification
+ * of new data availability is sent unconditionally.
* Return
* Nothing. Always succeeds.
*
@@ -3210,16 +3209,18 @@ union bpf_attr {
* Description
* Query various characteristics of provided ring buffer. What
* exactly is queries is determined by *flags*:
- * - BPF_RB_AVAIL_DATA - amount of data not yet consumed;
- * - BPF_RB_RING_SIZE - the size of ring buffer;
- * - BPF_RB_CONS_POS - consumer position (can wrap around);
- * - BPF_RB_PROD_POS - producer(s) position (can wrap around);
- * Data returned is just a momentary snapshots of actual values
+ *
+ * * **BPF_RB_AVAIL_DATA**: Amount of data not yet consumed.
+ * * **BPF_RB_RING_SIZE**: The size of ring buffer.
+ * * **BPF_RB_CONS_POS**: Consumer position (can wrap around).
+ * * **BPF_RB_PROD_POS**: Producer(s) position (can wrap around).
+ *
+ * Data returned is just a momentary snapshot of actual values
* and could be inaccurate, so this facility should be used to
* power heuristics and for reporting, not to make 100% correct
* calculation.
* Return
- * Requested value, or 0, if flags are not recognized.
+ * Requested value, or 0, if *flags* are not recognized.
*
* int bpf_csum_level(struct sk_buff *skb, u64 level)
* Description
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 92c22699a5a7..7843742b8b74 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -197,6 +197,7 @@ struct io_sqring_offsets {
* sq_ring->flags
*/
#define IORING_SQ_NEED_WAKEUP (1U << 0) /* needs io_uring_enter wakeup */
+#define IORING_SQ_CQ_OVERFLOW (1U << 1) /* CQ ring is overflown */
struct io_cqring_offsets {
__u32 head;
diff --git a/init/Kconfig b/init/Kconfig
index a46aa8f3174d..0498af567f70 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -49,13 +49,13 @@ config CLANG_VERSION
config CC_CAN_LINK
bool
- default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(m64-flag)) if 64BIT
- default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(m32-flag))
+ default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag)) if 64BIT
+ default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m32-flag))
config CC_CAN_LINK_STATIC
bool
- default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) -static $(m64-flag)) if 64BIT
- default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) -static $(m32-flag))
+ default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag) -static) if 64BIT
+ default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m32-flag) -static)
config CC_HAS_ASM_GOTO
def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC))
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 58c9af1d4808..9a1a98dd9e97 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -3746,7 +3746,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type,
return false;
t = btf_type_skip_modifiers(btf, t->type, NULL);
- if (!btf_type_is_int(t)) {
+ if (!btf_type_is_small_int(t)) {
bpf_log(log,
"ret type %s not allowed for fmod_ret\n",
btf_kind_str[BTF_INFO_KIND(t->info)]);
@@ -3768,7 +3768,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type,
/* skip modifiers */
while (btf_type_is_modifier(t))
t = btf_type_by_id(btf, t->type);
- if (btf_type_is_int(t) || btf_type_is_enum(t))
+ if (btf_type_is_small_int(t) || btf_type_is_enum(t))
/* accessing a scalar */
return true;
if (!btf_type_is_ptr(t)) {
diff --git a/kernel/bpf/net_namespace.c b/kernel/bpf/net_namespace.c
index 78cf061f8179..310241ca7991 100644
--- a/kernel/bpf/net_namespace.c
+++ b/kernel/bpf/net_namespace.c
@@ -19,18 +19,21 @@ struct bpf_netns_link {
* with netns_bpf_mutex held.
*/
struct net *net;
+ struct list_head node; /* node in list of links attached to net */
};
/* Protects updates to netns_bpf */
DEFINE_MUTEX(netns_bpf_mutex);
/* Must be called with netns_bpf_mutex held. */
-static void __net_exit bpf_netns_link_auto_detach(struct bpf_link *link)
+static void netns_bpf_run_array_detach(struct net *net,
+ enum netns_bpf_attach_type type)
{
- struct bpf_netns_link *net_link =
- container_of(link, struct bpf_netns_link, link);
+ struct bpf_prog_array *run_array;
- net_link->net = NULL;
+ run_array = rcu_replace_pointer(net->bpf.run_array[type], NULL,
+ lockdep_is_held(&netns_bpf_mutex));
+ bpf_prog_array_free(run_array);
}
static void bpf_netns_link_release(struct bpf_link *link)
@@ -40,22 +43,18 @@ static void bpf_netns_link_release(struct bpf_link *link)
enum netns_bpf_attach_type type = net_link->netns_type;
struct net *net;
- /* Link auto-detached by dying netns. */
- if (!net_link->net)
- return;
-
mutex_lock(&netns_bpf_mutex);
- /* Recheck after potential sleep. We can race with cleanup_net
- * here, but if we see a non-NULL struct net pointer pre_exit
- * has not happened yet and will block on netns_bpf_mutex.
+ /* We can race with cleanup_net, but if we see a non-NULL
+ * struct net pointer, pre_exit has not run yet and wait for
+ * netns_bpf_mutex.
*/
net = net_link->net;
if (!net)
goto out_unlock;
- net->bpf.links[type] = NULL;
- RCU_INIT_POINTER(net->bpf.progs[type], NULL);
+ netns_bpf_run_array_detach(net, type);
+ list_del(&net_link->node);
out_unlock:
mutex_unlock(&netns_bpf_mutex);
@@ -76,6 +75,7 @@ static int bpf_netns_link_update_prog(struct bpf_link *link,
struct bpf_netns_link *net_link =
container_of(link, struct bpf_netns_link, link);
enum netns_bpf_attach_type type = net_link->netns_type;
+ struct bpf_prog_array *run_array;
struct net *net;
int ret = 0;
@@ -93,8 +93,11 @@ static int bpf_netns_link_update_prog(struct bpf_link *link,
goto out_unlock;
}
+ run_array = rcu_dereference_protected(net->bpf.run_array[type],
+ lockdep_is_held(&netns_bpf_mutex));
+ WRITE_ONCE(run_array->items[0].prog, new_prog);
+
old_prog = xchg(&link->prog, new_prog);
- rcu_assign_pointer(net->bpf.progs[type], new_prog);
bpf_prog_put(old_prog);
out_unlock:
@@ -142,14 +145,38 @@ static const struct bpf_link_ops bpf_netns_link_ops = {
.show_fdinfo = bpf_netns_link_show_fdinfo,
};
+/* Must be called with netns_bpf_mutex held. */
+static int __netns_bpf_prog_query(const union bpf_attr *attr,
+ union bpf_attr __user *uattr,
+ struct net *net,
+ enum netns_bpf_attach_type type)
+{
+ __u32 __user *prog_ids = u64_to_user_ptr(attr->query.prog_ids);
+ struct bpf_prog_array *run_array;
+ u32 prog_cnt = 0, flags = 0;
+
+ run_array = rcu_dereference_protected(net->bpf.run_array[type],
+ lockdep_is_held(&netns_bpf_mutex));
+ if (run_array)
+ prog_cnt = bpf_prog_array_length(run_array);
+
+ if (copy_to_user(&uattr->query.attach_flags, &flags, sizeof(flags)))
+ return -EFAULT;
+ if (copy_to_user(&uattr->query.prog_cnt, &prog_cnt, sizeof(prog_cnt)))
+ return -EFAULT;
+ if (!attr->query.prog_cnt || !prog_ids || !prog_cnt)
+ return 0;
+
+ return bpf_prog_array_copy_to_user(run_array, prog_ids,
+ attr->query.prog_cnt);
+}
+
int netns_bpf_prog_query(const union bpf_attr *attr,
union bpf_attr __user *uattr)
{
- __u32 __user *prog_ids = u64_to_user_ptr(attr->query.prog_ids);
- u32 prog_id, prog_cnt = 0, flags = 0;
enum netns_bpf_attach_type type;
- struct bpf_prog *attached;
struct net *net;
+ int ret;
if (attr->query.query_flags)
return -EINVAL;
@@ -162,36 +189,25 @@ int netns_bpf_prog_query(const union bpf_attr *attr,
if (IS_ERR(net))
return PTR_ERR(net);
- rcu_read_lock();
- attached = rcu_dereference(net->bpf.progs[type]);
- if (attached) {
- prog_cnt = 1;
- prog_id = attached->aux->id;
- }
- rcu_read_unlock();
+ mutex_lock(&netns_bpf_mutex);
+ ret = __netns_bpf_prog_query(attr, uattr, net, type);
+ mutex_unlock(&netns_bpf_mutex);
put_net(net);
-
- if (copy_to_user(&uattr->query.attach_flags, &flags, sizeof(flags)))
- return -EFAULT;
- if (copy_to_user(&uattr->query.prog_cnt, &prog_cnt, sizeof(prog_cnt)))
- return -EFAULT;
-
- if (!attr->query.prog_cnt || !prog_ids || !prog_cnt)
- return 0;
-
- if (copy_to_user(prog_ids, &prog_id, sizeof(u32)))
- return -EFAULT;
-
- return 0;
+ return ret;
}
int netns_bpf_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
{
+ struct bpf_prog_array *run_array;
enum netns_bpf_attach_type type;
+ struct bpf_prog *attached;
struct net *net;
int ret;
+ if (attr->target_fd || attr->attach_flags || attr->replace_bpf_fd)
+ return -EINVAL;
+
type = to_netns_bpf_attach_type(attr->attach_type);
if (type < 0)
return -EINVAL;
@@ -200,19 +216,47 @@ int netns_bpf_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
mutex_lock(&netns_bpf_mutex);
/* Attaching prog directly is not compatible with links */
- if (net->bpf.links[type]) {
+ if (!list_empty(&net->bpf.links[type])) {
ret = -EEXIST;
goto out_unlock;
}
switch (type) {
case NETNS_BPF_FLOW_DISSECTOR:
- ret = flow_dissector_bpf_prog_attach(net, prog);
+ ret = flow_dissector_bpf_prog_attach_check(net, prog);
break;
default:
ret = -EINVAL;
break;
}
+ if (ret)
+ goto out_unlock;
+
+ attached = net->bpf.progs[type];
+ if (attached == prog) {
+ /* The same program cannot be attached twice */
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+
+ run_array = rcu_dereference_protected(net->bpf.run_array[type],
+ lockdep_is_held(&netns_bpf_mutex));
+ if (run_array) {
+ WRITE_ONCE(run_array->items[0].prog, prog);
+ } else {
+ run_array = bpf_prog_array_alloc(1, GFP_KERNEL);
+ if (!run_array) {
+ ret = -ENOMEM;
+ goto out_unlock;
+ }
+ run_array->items[0].prog = prog;
+ rcu_assign_pointer(net->bpf.run_array[type], run_array);
+ }
+
+ net->bpf.progs[type] = prog;
+ if (attached)
+ bpf_prog_put(attached);
+
out_unlock:
mutex_unlock(&netns_bpf_mutex);
@@ -221,63 +265,74 @@ out_unlock:
/* Must be called with netns_bpf_mutex held. */
static int __netns_bpf_prog_detach(struct net *net,
- enum netns_bpf_attach_type type)
+ enum netns_bpf_attach_type type,
+ struct bpf_prog *old)
{
struct bpf_prog *attached;
/* Progs attached via links cannot be detached */
- if (net->bpf.links[type])
+ if (!list_empty(&net->bpf.links[type]))
return -EINVAL;
- attached = rcu_dereference_protected(net->bpf.progs[type],
- lockdep_is_held(&netns_bpf_mutex));
- if (!attached)
+ attached = net->bpf.progs[type];
+ if (!attached || attached != old)
return -ENOENT;
- RCU_INIT_POINTER(net->bpf.progs[type], NULL);
+ netns_bpf_run_array_detach(net, type);
+ net->bpf.progs[type] = NULL;
bpf_prog_put(attached);
return 0;
}
-int netns_bpf_prog_detach(const union bpf_attr *attr)
+int netns_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype)
{
enum netns_bpf_attach_type type;
+ struct bpf_prog *prog;
int ret;
+ if (attr->target_fd)
+ return -EINVAL;
+
type = to_netns_bpf_attach_type(attr->attach_type);
if (type < 0)
return -EINVAL;
+ prog = bpf_prog_get_type(attr->attach_bpf_fd, ptype);
+ if (IS_ERR(prog))
+ return PTR_ERR(prog);
+
mutex_lock(&netns_bpf_mutex);
- ret = __netns_bpf_prog_detach(current->nsproxy->net_ns, type);
+ ret = __netns_bpf_prog_detach(current->nsproxy->net_ns, type, prog);
mutex_unlock(&netns_bpf_mutex);
+ bpf_prog_put(prog);
+
return ret;
}
static int netns_bpf_link_attach(struct net *net, struct bpf_link *link,
enum netns_bpf_attach_type type)
{
- struct bpf_prog *prog;
+ struct bpf_netns_link *net_link =
+ container_of(link, struct bpf_netns_link, link);
+ struct bpf_prog_array *run_array;
int err;
mutex_lock(&netns_bpf_mutex);
/* Allow attaching only one prog or link for now */
- if (net->bpf.links[type]) {
+ if (!list_empty(&net->bpf.links[type])) {
err = -E2BIG;
goto out_unlock;
}
/* Links are not compatible with attaching prog directly */
- prog = rcu_dereference_protected(net->bpf.progs[type],
- lockdep_is_held(&netns_bpf_mutex));
- if (prog) {
+ if (net->bpf.progs[type]) {
err = -EEXIST;
goto out_unlock;
}
switch (type) {
case NETNS_BPF_FLOW_DISSECTOR:
- err = flow_dissector_bpf_prog_attach(net, link->prog);
+ err = flow_dissector_bpf_prog_attach_check(net, link->prog);
break;
default:
err = -EINVAL;
@@ -286,7 +341,15 @@ static int netns_bpf_link_attach(struct net *net, struct bpf_link *link,
if (err)
goto out_unlock;
- net->bpf.links[type] = link;
+ run_array = bpf_prog_array_alloc(1, GFP_KERNEL);
+ if (!run_array) {
+ err = -ENOMEM;
+ goto out_unlock;
+ }
+ run_array->items[0].prog = link->prog;
+ rcu_assign_pointer(net->bpf.run_array[type], run_array);
+
+ list_add_tail(&net_link->node, &net->bpf.links[type]);
out_unlock:
mutex_unlock(&netns_bpf_mutex);
@@ -345,23 +408,34 @@ out_put_net:
return err;
}
+static int __net_init netns_bpf_pernet_init(struct net *net)
+{
+ int type;
+
+ for (type = 0; type < MAX_NETNS_BPF_ATTACH_TYPE; type++)
+ INIT_LIST_HEAD(&net->bpf.links[type]);
+
+ return 0;
+}
+
static void __net_exit netns_bpf_pernet_pre_exit(struct net *net)
{
enum netns_bpf_attach_type type;
- struct bpf_link *link;
+ struct bpf_netns_link *net_link;
mutex_lock(&netns_bpf_mutex);
for (type = 0; type < MAX_NETNS_BPF_ATTACH_TYPE; type++) {
- link = net->bpf.links[type];
- if (link)
- bpf_netns_link_auto_detach(link);
- else
- __netns_bpf_prog_detach(net, type);
+ netns_bpf_run_array_detach(net, type);
+ list_for_each_entry(net_link, &net->bpf.links[type], node)
+ net_link->net = NULL; /* auto-detach link */
+ if (net->bpf.progs[type])
+ bpf_prog_put(net->bpf.progs[type]);
}
mutex_unlock(&netns_bpf_mutex);
}
static struct pernet_operations netns_bpf_pernet_ops __net_initdata = {
+ .init = netns_bpf_pernet_init,
.pre_exit = netns_bpf_pernet_pre_exit,
};
diff --git a/kernel/bpf/reuseport_array.c b/kernel/bpf/reuseport_array.c
index 21cde24386db..cae9d505e04a 100644
--- a/kernel/bpf/reuseport_array.c
+++ b/kernel/bpf/reuseport_array.c
@@ -20,11 +20,14 @@ static struct reuseport_array *reuseport_array(struct bpf_map *map)
/* The caller must hold the reuseport_lock */
void bpf_sk_reuseport_detach(struct sock *sk)
{
- struct sock __rcu **socks;
+ uintptr_t sk_user_data;
write_lock_bh(&sk->sk_callback_lock);
- socks = sk->sk_user_data;
- if (socks) {
+ sk_user_data = (uintptr_t)sk->sk_user_data;
+ if (sk_user_data & SK_USER_DATA_BPF) {
+ struct sock __rcu **socks;
+
+ socks = (void *)(sk_user_data & SK_USER_DATA_PTRMASK);
WRITE_ONCE(sk->sk_user_data, NULL);
/*
* Do not move this NULL assignment outside of
@@ -252,6 +255,7 @@ int bpf_fd_reuseport_array_update_elem(struct bpf_map *map, void *key,
struct sock *free_osk = NULL, *osk, *nsk;
struct sock_reuseport *reuse;
u32 index = *(u32 *)key;
+ uintptr_t sk_user_data;
struct socket *socket;
int err, fd;
@@ -305,7 +309,9 @@ int bpf_fd_reuseport_array_update_elem(struct bpf_map *map, void *key,
if (err)
goto put_file_unlock;
- WRITE_ONCE(nsk->sk_user_data, &array->ptrs[index]);
+ sk_user_data = (uintptr_t)&array->ptrs[index] | SK_USER_DATA_NOCOPY |
+ SK_USER_DATA_BPF;
+ WRITE_ONCE(nsk->sk_user_data, (void *)sk_user_data);
rcu_assign_pointer(array->ptrs[index], nsk);
free_osk = osk;
err = 0;
diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
index 180414bb0d3e..0af88bbc1c15 100644
--- a/kernel/bpf/ringbuf.c
+++ b/kernel/bpf/ringbuf.c
@@ -132,15 +132,6 @@ static struct bpf_ringbuf *bpf_ringbuf_alloc(size_t data_sz, int numa_node)
{
struct bpf_ringbuf *rb;
- if (!data_sz || !PAGE_ALIGNED(data_sz))
- return ERR_PTR(-EINVAL);
-
-#ifdef CONFIG_64BIT
- /* on 32-bit arch, it's impossible to overflow record's hdr->pgoff */
- if (data_sz > RINGBUF_MAX_DATA_SZ)
- return ERR_PTR(-E2BIG);
-#endif
-
rb = bpf_ringbuf_area_alloc(data_sz, numa_node);
if (!rb)
return ERR_PTR(-ENOMEM);
@@ -166,9 +157,16 @@ static struct bpf_map *ringbuf_map_alloc(union bpf_attr *attr)
return ERR_PTR(-EINVAL);
if (attr->key_size || attr->value_size ||
- attr->max_entries == 0 || !PAGE_ALIGNED(attr->max_entries))
+ !is_power_of_2(attr->max_entries) ||
+ !PAGE_ALIGNED(attr->max_entries))
return ERR_PTR(-EINVAL);
+#ifdef CONFIG_64BIT
+ /* on 32-bit arch, it's impossible to overflow record's hdr->pgoff */
+ if (attr->max_entries > RINGBUF_MAX_DATA_SZ)
+ return ERR_PTR(-E2BIG);
+#endif
+
rb_map = kzalloc(sizeof(*rb_map), GFP_USER);
if (!rb_map)
return ERR_PTR(-ENOMEM);
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 8da159936bab..0fd80ac81f70 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -2121,7 +2121,7 @@ static int bpf_prog_load(union bpf_attr *attr, union bpf_attr __user *uattr)
!bpf_capable())
return -EPERM;
- if (is_net_admin_prog_type(type) && !capable(CAP_NET_ADMIN))
+ if (is_net_admin_prog_type(type) && !capable(CAP_NET_ADMIN) && !capable(CAP_SYS_ADMIN))
return -EPERM;
if (is_perfmon_prog_type(type) && !perfmon_capable())
return -EPERM;
@@ -2893,13 +2893,11 @@ static int bpf_prog_detach(const union bpf_attr *attr)
switch (ptype) {
case BPF_PROG_TYPE_SK_MSG:
case BPF_PROG_TYPE_SK_SKB:
- return sock_map_get_from_fd(attr, NULL);
+ return sock_map_prog_detach(attr, ptype);
case BPF_PROG_TYPE_LIRC_MODE2:
return lirc_prog_detach(attr);
case BPF_PROG_TYPE_FLOW_DISSECTOR:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- return netns_bpf_prog_detach(attr);
+ return netns_bpf_prog_detach(attr, ptype);
case BPF_PROG_TYPE_CGROUP_DEVICE:
case BPF_PROG_TYPE_CGROUP_SKB:
case BPF_PROG_TYPE_CGROUP_SOCK:
@@ -3139,7 +3137,8 @@ static const struct bpf_map *bpf_map_from_imm(const struct bpf_prog *prog,
return NULL;
}
-static struct bpf_insn *bpf_insn_prepare_dump(const struct bpf_prog *prog)
+static struct bpf_insn *bpf_insn_prepare_dump(const struct bpf_prog *prog,
+ const struct cred *f_cred)
{
const struct bpf_map *map;
struct bpf_insn *insns;
@@ -3165,7 +3164,7 @@ static struct bpf_insn *bpf_insn_prepare_dump(const struct bpf_prog *prog)
code == (BPF_JMP | BPF_CALL_ARGS)) {
if (code == (BPF_JMP | BPF_CALL_ARGS))
insns[i].code = BPF_JMP | BPF_CALL;
- if (!bpf_dump_raw_ok())
+ if (!bpf_dump_raw_ok(f_cred))
insns[i].imm = 0;
continue;
}
@@ -3221,7 +3220,8 @@ static int set_info_rec_size(struct bpf_prog_info *info)
return 0;
}
-static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
+static int bpf_prog_get_info_by_fd(struct file *file,
+ struct bpf_prog *prog,
const union bpf_attr *attr,
union bpf_attr __user *uattr)
{
@@ -3290,11 +3290,11 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
struct bpf_insn *insns_sanitized;
bool fault;
- if (prog->blinded && !bpf_dump_raw_ok()) {
+ if (prog->blinded && !bpf_dump_raw_ok(file->f_cred)) {
info.xlated_prog_insns = 0;
goto done;
}
- insns_sanitized = bpf_insn_prepare_dump(prog);
+ insns_sanitized = bpf_insn_prepare_dump(prog, file->f_cred);
if (!insns_sanitized)
return -ENOMEM;
uinsns = u64_to_user_ptr(info.xlated_prog_insns);
@@ -3328,7 +3328,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
}
if (info.jited_prog_len && ulen) {
- if (bpf_dump_raw_ok()) {
+ if (bpf_dump_raw_ok(file->f_cred)) {
uinsns = u64_to_user_ptr(info.jited_prog_insns);
ulen = min_t(u32, info.jited_prog_len, ulen);
@@ -3363,7 +3363,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
ulen = info.nr_jited_ksyms;
info.nr_jited_ksyms = prog->aux->func_cnt ? : 1;
if (ulen) {
- if (bpf_dump_raw_ok()) {
+ if (bpf_dump_raw_ok(file->f_cred)) {
unsigned long ksym_addr;
u64 __user *user_ksyms;
u32 i;
@@ -3394,7 +3394,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
ulen = info.nr_jited_func_lens;
info.nr_jited_func_lens = prog->aux->func_cnt ? : 1;
if (ulen) {
- if (bpf_dump_raw_ok()) {
+ if (bpf_dump_raw_ok(file->f_cred)) {
u32 __user *user_lens;
u32 func_len, i;
@@ -3451,7 +3451,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
else
info.nr_jited_line_info = 0;
if (info.nr_jited_line_info && ulen) {
- if (bpf_dump_raw_ok()) {
+ if (bpf_dump_raw_ok(file->f_cred)) {
__u64 __user *user_linfo;
u32 i;
@@ -3497,7 +3497,8 @@ done:
return 0;
}
-static int bpf_map_get_info_by_fd(struct bpf_map *map,
+static int bpf_map_get_info_by_fd(struct file *file,
+ struct bpf_map *map,
const union bpf_attr *attr,
union bpf_attr __user *uattr)
{
@@ -3540,7 +3541,8 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map,
return 0;
}
-static int bpf_btf_get_info_by_fd(struct btf *btf,
+static int bpf_btf_get_info_by_fd(struct file *file,
+ struct btf *btf,
const union bpf_attr *attr,
union bpf_attr __user *uattr)
{
@@ -3555,7 +3557,8 @@ static int bpf_btf_get_info_by_fd(struct btf *btf,
return btf_get_info_by_fd(btf, attr, uattr);
}
-static int bpf_link_get_info_by_fd(struct bpf_link *link,
+static int bpf_link_get_info_by_fd(struct file *file,
+ struct bpf_link *link,
const union bpf_attr *attr,
union bpf_attr __user *uattr)
{
@@ -3608,15 +3611,15 @@ static int bpf_obj_get_info_by_fd(const union bpf_attr *attr,
return -EBADFD;
if (f.file->f_op == &bpf_prog_fops)
- err = bpf_prog_get_info_by_fd(f.file->private_data, attr,
+ err = bpf_prog_get_info_by_fd(f.file, f.file->private_data, attr,
uattr);
else if (f.file->f_op == &bpf_map_fops)
- err = bpf_map_get_info_by_fd(f.file->private_data, attr,
+ err = bpf_map_get_info_by_fd(f.file, f.file->private_data, attr,
uattr);
else if (f.file->f_op == &btf_fops)
- err = bpf_btf_get_info_by_fd(f.file->private_data, attr, uattr);
+ err = bpf_btf_get_info_by_fd(f.file, f.file->private_data, attr, uattr);
else if (f.file->f_op == &bpf_link_fops)
- err = bpf_link_get_info_by_fd(f.file->private_data,
+ err = bpf_link_get_info_by_fd(f.file, f.file->private_data,
attr, uattr);
else
err = -EINVAL;
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 34cde841ab68..94cead5a43e5 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -399,8 +399,7 @@ static bool reg_type_not_null(enum bpf_reg_type type)
return type == PTR_TO_SOCKET ||
type == PTR_TO_TCP_SOCK ||
type == PTR_TO_MAP_VALUE ||
- type == PTR_TO_SOCK_COMMON ||
- type == PTR_TO_BTF_ID;
+ type == PTR_TO_SOCK_COMMON;
}
static bool reg_type_may_be_null(enum bpf_reg_type type)
@@ -9801,7 +9800,7 @@ static int jit_subprogs(struct bpf_verifier_env *env)
int i, j, subprog_start, subprog_end = 0, len, subprog;
struct bpf_insn *insn;
void *old_bpf_func;
- int err;
+ int err, num_exentries;
if (env->subprog_cnt <= 1)
return 0;
@@ -9876,6 +9875,14 @@ static int jit_subprogs(struct bpf_verifier_env *env)
func[i]->aux->nr_linfo = prog->aux->nr_linfo;
func[i]->aux->jited_linfo = prog->aux->jited_linfo;
func[i]->aux->linfo_idx = env->subprog_info[i].linfo_idx;
+ num_exentries = 0;
+ insn = func[i]->insnsi;
+ for (j = 0; j < func[i]->len; j++, insn++) {
+ if (BPF_CLASS(insn->code) == BPF_LDX &&
+ BPF_MODE(insn->code) == BPF_PROBE_MEM)
+ num_exentries++;
+ }
+ func[i]->aux->num_exentries = num_exentries;
func[i] = bpf_int_jit_compile(func[i]);
if (!func[i]->jited) {
err = -ENOTSUPP;
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 1ea181a58465..dd247747ec14 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -6439,18 +6439,8 @@ void cgroup_sk_alloc_disable(void)
void cgroup_sk_alloc(struct sock_cgroup_data *skcd)
{
- if (cgroup_sk_alloc_disabled)
- return;
-
- /* Socket clone path */
- if (skcd->val) {
- /*
- * We might be cloning a socket which is left in an empty
- * cgroup and the cgroup might have already been rmdir'd.
- * Don't use cgroup_get_live().
- */
- cgroup_get(sock_cgroup_ptr(skcd));
- cgroup_bpf_get(sock_cgroup_ptr(skcd));
+ if (cgroup_sk_alloc_disabled) {
+ skcd->no_refcnt = 1;
return;
}
@@ -6475,10 +6465,27 @@ void cgroup_sk_alloc(struct sock_cgroup_data *skcd)
rcu_read_unlock();
}
+void cgroup_sk_clone(struct sock_cgroup_data *skcd)
+{
+ if (skcd->val) {
+ if (skcd->no_refcnt)
+ return;
+ /*
+ * We might be cloning a socket which is left in an empty
+ * cgroup and the cgroup might have already been rmdir'd.
+ * Don't use cgroup_get_live().
+ */
+ cgroup_get(sock_cgroup_ptr(skcd));
+ cgroup_bpf_get(sock_cgroup_ptr(skcd));
+ }
+}
+
void cgroup_sk_free(struct sock_cgroup_data *skcd)
{
struct cgroup *cgrp = sock_cgroup_ptr(skcd);
+ if (skcd->no_refcnt)
+ return;
cgroup_bpf_put(cgrp);
cgroup_put(cgrp);
}
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c
index 61774aec46b4..a790026e42d0 100644
--- a/kernel/debug/gdbstub.c
+++ b/kernel/debug/gdbstub.c
@@ -792,6 +792,19 @@ static void gdb_cmd_query(struct kgdb_state *ks)
}
break;
#endif
+#ifdef CONFIG_HAVE_ARCH_KGDB_QXFER_PKT
+ case 'S':
+ if (!strncmp(remcom_in_buffer, "qSupported:", 11))
+ strcpy(remcom_out_buffer, kgdb_arch_gdb_stub_feature);
+ break;
+ case 'X':
+ if (!strncmp(remcom_in_buffer, "qXfer:", 6))
+ kgdb_arch_handle_qxfer_pkt(remcom_in_buffer,
+ remcom_out_buffer);
+ break;
+#endif
+ default:
+ break;
}
}
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 93f578a8e613..95866b647581 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -539,3 +539,9 @@ size_t dma_direct_max_mapping_size(struct device *dev)
return swiotlb_max_mapping_size(dev);
return SIZE_MAX;
}
+
+bool dma_direct_need_sync(struct device *dev, dma_addr_t dma_addr)
+{
+ return !dev_is_dma_coherent(dev) ||
+ is_swiotlb_buffer(dma_to_phys(dev, dma_addr));
+}
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index 98e3d873792e..a8c18c9a796f 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -397,6 +397,16 @@ size_t dma_max_mapping_size(struct device *dev)
}
EXPORT_SYMBOL_GPL(dma_max_mapping_size);
+bool dma_need_sync(struct device *dev, dma_addr_t dma_addr)
+{
+ const struct dma_map_ops *ops = get_dma_ops(dev);
+
+ if (dma_is_direct(ops))
+ return dma_direct_need_sync(dev, dma_addr);
+ return ops->sync_single_for_cpu || ops->sync_single_for_device;
+}
+EXPORT_SYMBOL_GPL(dma_need_sync);
+
unsigned long dma_get_merge_boundary(struct device *dev)
{
const struct dma_map_ops *ops = get_dma_ops(dev);
diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c
index 8cfa01243ed2..39ca26fa41b5 100644
--- a/kernel/dma/pool.c
+++ b/kernel/dma/pool.c
@@ -239,12 +239,16 @@ void *dma_alloc_from_pool(struct device *dev, size_t size,
}
val = gen_pool_alloc(pool, size);
- if (val) {
+ if (likely(val)) {
phys_addr_t phys = gen_pool_virt_to_phys(pool, val);
*ret_page = pfn_to_page(__phys_to_pfn(phys));
ptr = (void *)val;
memset(ptr, 0, size);
+ } else {
+ WARN_ONCE(1, "DMA coherent pool depleted, increase size "
+ "(recommended min coherent_pool=%zuK)\n",
+ gen_pool_size(pool) >> 9);
}
if (gen_pool_avail(pool) < atomic_pool_size)
schedule_work(&atomic_pool_work);
diff --git a/kernel/fork.c b/kernel/fork.c
index 142b23645d82..efc5493203ae 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1977,7 +1977,7 @@ static __latent_entropy struct task_struct *copy_process(
* to stop root fork bombs.
*/
retval = -EAGAIN;
- if (nr_threads >= max_threads)
+ if (data_race(nr_threads >= max_threads))
goto bad_fork_cleanup_count;
delayacct_tsk_init(p); /* Must remain after dup_task_struct() */
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 16c8c605f4b0..bb14e64f62a4 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -644,19 +644,20 @@ static inline int kallsyms_for_perf(void)
* Otherwise, require CAP_SYSLOG (assuming kptr_restrict isn't set to
* block even that).
*/
-int kallsyms_show_value(void)
+bool kallsyms_show_value(const struct cred *cred)
{
switch (kptr_restrict) {
case 0:
if (kallsyms_for_perf())
- return 1;
+ return true;
/* fallthrough */
case 1:
- if (has_capability_noaudit(current, CAP_SYSLOG))
- return 1;
+ if (security_capable(cred, &init_user_ns, CAP_SYSLOG,
+ CAP_OPT_NOAUDIT) == 0)
+ return true;
/* fallthrough */
default:
- return 0;
+ return false;
}
}
@@ -673,7 +674,11 @@ static int kallsyms_open(struct inode *inode, struct file *file)
return -ENOMEM;
reset_iter(iter, 0);
- iter->show_value = kallsyms_show_value();
+ /*
+ * Instead of checking this on every s_show() call, cache
+ * the result here at open time.
+ */
+ iter->show_value = kallsyms_show_value(file->f_cred);
return 0;
}
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 4a904cc56d68..2e97febeef77 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -2448,7 +2448,7 @@ static void report_probe(struct seq_file *pi, struct kprobe *p,
else
kprobe_type = "k";
- if (!kallsyms_show_value())
+ if (!kallsyms_show_value(pi->file->f_cred))
addr = NULL;
if (sym)
@@ -2540,7 +2540,7 @@ static int kprobe_blacklist_seq_show(struct seq_file *m, void *v)
* If /proc/kallsyms is not showing kernel address, we won't
* show them here either.
*/
- if (!kallsyms_show_value())
+ if (!kallsyms_show_value(m->file->f_cred))
seq_printf(m, "0x%px-0x%px\t%ps\n", NULL, NULL,
(void *)ent->start_addr);
else
diff --git a/kernel/module.c b/kernel/module.c
index 0c6573b98c36..aa183c9ac0a2 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1510,8 +1510,7 @@ static inline bool sect_empty(const Elf_Shdr *sect)
}
struct module_sect_attr {
- struct module_attribute mattr;
- char *name;
+ struct bin_attribute battr;
unsigned long address;
};
@@ -1521,13 +1520,18 @@ struct module_sect_attrs {
struct module_sect_attr attrs[];
};
-static ssize_t module_sect_show(struct module_attribute *mattr,
- struct module_kobject *mk, char *buf)
+static ssize_t module_sect_read(struct file *file, struct kobject *kobj,
+ struct bin_attribute *battr,
+ char *buf, loff_t pos, size_t count)
{
struct module_sect_attr *sattr =
- container_of(mattr, struct module_sect_attr, mattr);
- return sprintf(buf, "0x%px\n", kptr_restrict < 2 ?
- (void *)sattr->address : NULL);
+ container_of(battr, struct module_sect_attr, battr);
+
+ if (pos != 0)
+ return -EINVAL;
+
+ return sprintf(buf, "0x%px\n",
+ kallsyms_show_value(file->f_cred) ? (void *)sattr->address : NULL);
}
static void free_sect_attrs(struct module_sect_attrs *sect_attrs)
@@ -1535,7 +1539,7 @@ static void free_sect_attrs(struct module_sect_attrs *sect_attrs)
unsigned int section;
for (section = 0; section < sect_attrs->nsections; section++)
- kfree(sect_attrs->attrs[section].name);
+ kfree(sect_attrs->attrs[section].battr.attr.name);
kfree(sect_attrs);
}
@@ -1544,42 +1548,41 @@ static void add_sect_attrs(struct module *mod, const struct load_info *info)
unsigned int nloaded = 0, i, size[2];
struct module_sect_attrs *sect_attrs;
struct module_sect_attr *sattr;
- struct attribute **gattr;
+ struct bin_attribute **gattr;
/* Count loaded sections and allocate structures */
for (i = 0; i < info->hdr->e_shnum; i++)
if (!sect_empty(&info->sechdrs[i]))
nloaded++;
size[0] = ALIGN(struct_size(sect_attrs, attrs, nloaded),
- sizeof(sect_attrs->grp.attrs[0]));
- size[1] = (nloaded + 1) * sizeof(sect_attrs->grp.attrs[0]);
+ sizeof(sect_attrs->grp.bin_attrs[0]));
+ size[1] = (nloaded + 1) * sizeof(sect_attrs->grp.bin_attrs[0]);
sect_attrs = kzalloc(size[0] + size[1], GFP_KERNEL);
if (sect_attrs == NULL)
return;
/* Setup section attributes. */
sect_attrs->grp.name = "sections";
- sect_attrs->grp.attrs = (void *)sect_attrs + size[0];
+ sect_attrs->grp.bin_attrs = (void *)sect_attrs + size[0];
sect_attrs->nsections = 0;
sattr = &sect_attrs->attrs[0];
- gattr = &sect_attrs->grp.attrs[0];
+ gattr = &sect_attrs->grp.bin_attrs[0];
for (i = 0; i < info->hdr->e_shnum; i++) {
Elf_Shdr *sec = &info->sechdrs[i];
if (sect_empty(sec))
continue;
+ sysfs_bin_attr_init(&sattr->battr);
sattr->address = sec->sh_addr;
- sattr->name = kstrdup(info->secstrings + sec->sh_name,
- GFP_KERNEL);
- if (sattr->name == NULL)
+ sattr->battr.attr.name =
+ kstrdup(info->secstrings + sec->sh_name, GFP_KERNEL);
+ if (sattr->battr.attr.name == NULL)
goto out;
sect_attrs->nsections++;
- sysfs_attr_init(&sattr->mattr.attr);
- sattr->mattr.show = module_sect_show;
- sattr->mattr.store = NULL;
- sattr->mattr.attr.name = sattr->name;
- sattr->mattr.attr.mode = S_IRUSR;
- *(gattr++) = &(sattr++)->mattr.attr;
+ sattr->battr.read = module_sect_read;
+ sattr->battr.size = 3 /* "0x", "\n" */ + (BITS_PER_LONG / 4);
+ sattr->battr.attr.mode = 0400;
+ *(gattr++) = &(sattr++)->battr;
}
*gattr = NULL;
@@ -1669,7 +1672,7 @@ static void add_notes_attrs(struct module *mod, const struct load_info *info)
continue;
if (info->sechdrs[i].sh_type == SHT_NOTE) {
sysfs_bin_attr_init(nattr);
- nattr->attr.name = mod->sect_attrs->attrs[loaded].name;
+ nattr->attr.name = mod->sect_attrs->attrs[loaded].battr.attr.name;
nattr->attr.mode = S_IRUGO;
nattr->size = info->sechdrs[i].sh_size;
nattr->private = (void *) info->sechdrs[i].sh_addr;
@@ -2785,7 +2788,7 @@ void * __weak module_alloc(unsigned long size)
{
return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END,
GFP_KERNEL, PAGE_KERNEL_EXEC, VM_FLUSH_RESET_PERMS,
- NUMA_NO_NODE, __func__);
+ NUMA_NO_NODE, __builtin_return_address(0));
}
bool __weak module_init_section(const char *name)
@@ -4379,7 +4382,7 @@ static int modules_open(struct inode *inode, struct file *file)
if (!err) {
struct seq_file *m = file->private_data;
- m->private = kallsyms_show_value() ? NULL : (void *)8ul;
+ m->private = kallsyms_show_value(file->f_cred) ? NULL : (void *)8ul;
}
return err;
diff --git a/kernel/padata.c b/kernel/padata.c
index 29fc5d87a4cd..4373f7adaa40 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -335,7 +335,7 @@ static void padata_reorder(struct parallel_data *pd)
*
* Ensure reorder queue is read after pd->lock is dropped so we see
* new objects from another task in padata_do_serial. Pairs with
- * smp_mb__after_atomic in padata_do_serial.
+ * smp_mb in padata_do_serial.
*/
smp_mb();
@@ -418,7 +418,7 @@ void padata_do_serial(struct padata_priv *padata)
* with the trylock of pd->lock in padata_reorder. Pairs with smp_mb
* in padata_reorder.
*/
- smp_mb__after_atomic();
+ smp_mb();
padata_reorder(pd);
}
diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c
index 16dd1e6b7c09..9eb39c20082c 100644
--- a/kernel/rcu/rcuperf.c
+++ b/kernel/rcu/rcuperf.c
@@ -723,7 +723,7 @@ kfree_perf_init(void)
schedule_timeout_uninterruptible(1);
}
- pr_alert("kfree object size=%lu\n", kfree_mult * sizeof(struct kfree_obj));
+ pr_alert("kfree object size=%zu\n", kfree_mult * sizeof(struct kfree_obj));
kfree_reader_tasks = kcalloc(kfree_nrealthreads, sizeof(kfree_reader_tasks[0]),
GFP_KERNEL);
diff --git a/kernel/signal.c b/kernel/signal.c
index 5ca48cc5da76..ee22ec78fd6d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2529,9 +2529,6 @@ bool get_signal(struct ksignal *ksig)
struct signal_struct *signal = current->signal;
int signr;
- if (unlikely(current->task_works))
- task_work_run();
-
if (unlikely(uprobe_deny_signal()))
return false;
@@ -2544,6 +2541,13 @@ bool get_signal(struct ksignal *ksig)
relock:
spin_lock_irq(&sighand->siglock);
+ current->jobctl &= ~JOBCTL_TASK_WORK;
+ if (unlikely(current->task_works)) {
+ spin_unlock_irq(&sighand->siglock);
+ task_work_run();
+ goto relock;
+ }
+
/*
* Every stopped thread goes here after wakeup. Check to see if
* we should notify the parent, prepare_signal(SIGCONT) encodes
diff --git a/kernel/task_work.c b/kernel/task_work.c
index 825f28259a19..5c0848ca1287 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -25,9 +25,10 @@ static struct callback_head work_exited; /* all we need is ->next == NULL */
* 0 if succeeds or -ESRCH.
*/
int
-task_work_add(struct task_struct *task, struct callback_head *work, bool notify)
+task_work_add(struct task_struct *task, struct callback_head *work, int notify)
{
struct callback_head *head;
+ unsigned long flags;
do {
head = READ_ONCE(task->task_works);
@@ -36,8 +37,19 @@ task_work_add(struct task_struct *task, struct callback_head *work, bool notify)
work->next = head;
} while (cmpxchg(&task->task_works, head, work) != head);
- if (notify)
+ switch (notify) {
+ case TWA_RESUME:
set_notify_resume(task);
+ break;
+ case TWA_SIGNAL:
+ if (lock_task_sighand(task, &flags)) {
+ task->jobctl |= JOBCTL_TASK_WORK;
+ signal_wake_up(task, 0);
+ unlock_task_sighand(task, &flags);
+ }
+ break;
+ }
+
return 0;
}
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index ffa7a76de086..256f2486f9bd 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -3,6 +3,11 @@
config HAVE_ARCH_KGDB
bool
+# set if architecture has the its kgdb_arch_handle_qxfer_pkt
+# function to enable gdb stub to address XML packet sent from GDB.
+config HAVE_ARCH_KGDB_QXFER_PKT
+ bool
+
menuconfig KGDB
bool "KGDB: kernel debugger"
depends on HAVE_ARCH_KGDB
diff --git a/lib/packing.c b/lib/packing.c
index 50d1e9f2f5a7..6ed72dccfdb5 100644
--- a/lib/packing.c
+++ b/lib/packing.c
@@ -73,6 +73,7 @@ static void adjust_for_msb_right_quirk(u64 *to_write, int *box_start_bit,
* @endbit: The index (in logical notation, compensated for quirks) where
* the packed value ends within pbuf. Must be smaller than, or equal
* to, startbit.
+ * @pbuflen: The length in bytes of the packed buffer pointed to by @pbuf.
* @op: If PACK, then uval will be treated as const pointer and copied (packed)
* into pbuf, between startbit and endbit.
* If UNPACK, then pbuf will be treated as const pointer and the logical
diff --git a/mm/cma.c b/mm/cma.c
index 0463ad2ce06b..26ecff818881 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -339,13 +339,13 @@ int __init cma_declare_contiguous_nid(phys_addr_t base,
*/
if (base < highmem_start && limit > highmem_start) {
addr = memblock_alloc_range_nid(size, alignment,
- highmem_start, limit, nid, false);
+ highmem_start, limit, nid, true);
limit = highmem_start;
}
if (!addr) {
addr = memblock_alloc_range_nid(size, alignment, base,
- limit, nid, false);
+ limit, nid, true);
if (!addr) {
ret = -ENOMEM;
goto err;
diff --git a/mm/filemap.c b/mm/filemap.c
index f0ae9a6308cb..385759c4ce4b 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2028,7 +2028,7 @@ find_page:
page = find_get_page(mapping, index);
if (!page) {
- if (iocb->ki_flags & IOCB_NOWAIT)
+ if (iocb->ki_flags & (IOCB_NOWAIT | IOCB_NOIO))
goto would_block;
page_cache_sync_readahead(mapping,
ra, filp,
@@ -2038,6 +2038,10 @@ find_page:
goto no_cached_page;
}
if (PageReadahead(page)) {
+ if (iocb->ki_flags & IOCB_NOIO) {
+ put_page(page);
+ goto out;
+ }
page_cache_async_readahead(mapping,
ra, filp, page,
index, last_index - index);
@@ -2160,6 +2164,11 @@ page_not_up_to_date_locked:
}
readpage:
+ if (iocb->ki_flags & IOCB_NOIO) {
+ unlock_page(page);
+ put_page(page);
+ goto would_block;
+ }
/*
* A previous I/O error may have been due to temporary
* failures, eg. multipath errors.
@@ -2249,9 +2258,19 @@ EXPORT_SYMBOL_GPL(generic_file_buffered_read);
*
* This is the "read_iter()" routine for all filesystems
* that can use the page cache directly.
+ *
+ * The IOCB_NOWAIT flag in iocb->ki_flags indicates that -EAGAIN shall
+ * be returned when no data can be read without waiting for I/O requests
+ * to complete; it doesn't prevent readahead.
+ *
+ * The IOCB_NOIO flag in iocb->ki_flags indicates that no new I/O
+ * requests shall be made for the read or for readahead. When no data
+ * can be read, -EAGAIN shall be returned. When readahead would be
+ * triggered, a partial, possibly empty read shall be returned.
+ *
* Return:
* * number of bytes copied, even for partial reads
- * * negative error code if nothing was read
+ * * negative error code (or 0 if IOCB_NOIO) if nothing was read
*/
ssize_t
generic_file_read_iter(struct kiocb *iocb, struct iov_iter *iter)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 57ece74e3aae..fab4485b9e52 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1593,7 +1593,7 @@ static struct address_space *_get_hugetlb_page_mapping(struct page *hpage)
/* Use first found vma */
pgoff_start = page_to_pgoff(hpage);
- pgoff_end = pgoff_start + hpage_nr_pages(hpage) - 1;
+ pgoff_end = pgoff_start + pages_per_huge_page(page_hstate(hpage)) - 1;
anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root,
pgoff_start, pgoff_end) {
struct vm_area_struct *vma = avc->vma;
diff --git a/mm/migrate.c b/mm/migrate.c
index f37729673558..40cd7016ae6f 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1161,21 +1161,10 @@ out:
}
/*
- * gcc 4.7 and 4.8 on arm get an ICEs when inlining unmap_and_move(). Work
- * around it.
- */
-#if defined(CONFIG_ARM) && \
- defined(GCC_VERSION) && GCC_VERSION < 40900 && GCC_VERSION >= 40700
-#define ICE_noinline noinline
-#else
-#define ICE_noinline
-#endif
-
-/*
* Obtain the lock on page, remove all ptes and migrate the page
* to the newly allocated page in newpage.
*/
-static ICE_noinline int unmap_and_move(new_page_t get_new_page,
+static int unmap_and_move(new_page_t get_new_page,
free_page_t put_new_page,
unsigned long private, struct page *page,
int force, enum migrate_mode mode,
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 48eb0f1410d4..e028b87ce294 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7832,7 +7832,7 @@ void setup_per_zone_wmarks(void)
* Initialise min_free_kbytes.
*
* For small machines we want it small (128k min). For large machines
- * we want it large (64MB max). But it is not linear, because network
+ * we want it large (256MB max). But it is not linear, because network
* bandwidth does not increase linearly with machine size. We use
*
* min_free_kbytes = 4 * sqrt(lowmem_kbytes), for better accuracy:
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index c8d6a07e23c5..3dd7c972677b 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -503,11 +503,10 @@ static void vlan_dev_set_lockdep_one(struct net_device *dev,
lockdep_set_class(&txq->_xmit_lock, &vlan_netdev_xmit_lock_key);
}
-static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
+static void vlan_dev_set_lockdep_class(struct net_device *dev)
{
- lockdep_set_class_and_subclass(&dev->addr_list_lock,
- &vlan_netdev_addr_lock_key,
- subclass);
+ lockdep_set_class(&dev->addr_list_lock,
+ &vlan_netdev_addr_lock_key);
netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, NULL);
}
@@ -601,7 +600,7 @@ static int vlan_dev_init(struct net_device *dev)
SET_NETDEV_DEVTYPE(dev, &vlan_type);
- vlan_dev_set_lockdep_class(dev, dev->lower_level);
+ vlan_dev_set_lockdep_class(dev);
vlan->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan->vlan_pcpu_stats)
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index bfd4ccd80847..b03c469cd01f 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -147,6 +147,20 @@ int noinline bpf_fentry_test6(u64 a, void *b, short c, int d, void *e, u64 f)
return a + (long)b + c + d + (long)e + f;
}
+struct bpf_fentry_test_t {
+ struct bpf_fentry_test_t *a;
+};
+
+int noinline bpf_fentry_test7(struct bpf_fentry_test_t *arg)
+{
+ return (long)arg;
+}
+
+int noinline bpf_fentry_test8(struct bpf_fentry_test_t *arg)
+{
+ return (long)arg->a;
+}
+
int noinline bpf_modify_return_test(int a, int *b)
{
*b += 1;
@@ -185,6 +199,7 @@ int bpf_prog_test_run_tracing(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr)
{
+ struct bpf_fentry_test_t arg = {};
u16 side_effect = 0, ret = 0;
int b = 2, err = -EFAULT;
u32 retval = 0;
@@ -197,7 +212,9 @@ int bpf_prog_test_run_tracing(struct bpf_prog *prog,
bpf_fentry_test3(4, 5, 6) != 15 ||
bpf_fentry_test4((void *)7, 8, 9, 10) != 34 ||
bpf_fentry_test5(11, (void *)12, 13, 14, 15) != 65 ||
- bpf_fentry_test6(16, (void *)17, 18, 19, (void *)20, 21) != 111)
+ bpf_fentry_test6(16, (void *)17, 18, 19, (void *)20, 21) != 111 ||
+ bpf_fentry_test7((struct bpf_fentry_test_t *)0) != 0 ||
+ bpf_fentry_test8(&arg) != 0)
goto out;
break;
case BPF_MODIFY_RETURN:
diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
index c0f0990f30b6..1905e01c3aa9 100644
--- a/net/bpfilter/bpfilter_kern.c
+++ b/net/bpfilter/bpfilter_kern.c
@@ -50,7 +50,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname,
req.len = optlen;
if (!bpfilter_ops.info.pid)
goto out;
- n = __kernel_write(bpfilter_ops.info.pipe_to_umh, &req, sizeof(req),
+ n = kernel_write(bpfilter_ops.info.pipe_to_umh, &req, sizeof(req),
&pos);
if (n != sizeof(req)) {
pr_err("write fail %zd\n", n);
diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c
index 779e1eb75443..90592af9db61 100644
--- a/net/bridge/br_mrp.c
+++ b/net/bridge/br_mrp.c
@@ -86,7 +86,7 @@ static struct sk_buff *br_mrp_skb_alloc(struct net_bridge_port *p,
{
struct ethhdr *eth_hdr;
struct sk_buff *skb;
- u16 *version;
+ __be16 *version;
skb = dev_alloc_skb(MRP_MAX_FRAME_LENGTH);
if (!skb)
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 83490bf73a13..4c4a93abde68 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1007,7 +1007,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
nsrcs_offset = len + offsetof(struct mld2_grec, grec_nsrcs);
if (skb_transport_offset(skb) + ipv6_transport_len(skb) <
- nsrcs_offset + sizeof(_nsrcs))
+ nsrcs_offset + sizeof(__nsrcs))
return -EINVAL;
_nsrcs = skb_header_pointer(skb, nsrcs_offset,
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 2130fe0194e6..e0ea6dbbc97e 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -430,7 +430,7 @@ struct net_bridge {
struct hlist_head fdb_list;
#if IS_ENABLED(CONFIG_BRIDGE_MRP)
- struct list_head __rcu mrp_list;
+ struct list_head mrp_list;
#endif
};
diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
index 33b255e38ffe..315eb37d89f0 100644
--- a/net/bridge/br_private_mrp.h
+++ b/net/bridge/br_private_mrp.h
@@ -8,7 +8,7 @@
struct br_mrp {
/* list of mrp instances */
- struct list_head __rcu list;
+ struct list_head list;
struct net_bridge_port __rcu *p_port;
struct net_bridge_port __rcu *s_port;
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 6393ba930097..54cd568e7c2f 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -690,6 +690,15 @@ void dev_uc_unsync(struct net_device *to, struct net_device *from)
if (to->addr_len != from->addr_len)
return;
+ /* netif_addr_lock_bh() uses lockdep subclass 0, this is okay for two
+ * reasons:
+ * 1) This is always called without any addr_list_lock, so as the
+ * outermost one here, it must be 0.
+ * 2) This is called by some callers after unlinking the upper device,
+ * so the dev->lower_level becomes 1 again.
+ * Therefore, the subclass for 'from' is 0, for 'to' is either 1 or
+ * larger.
+ */
netif_addr_lock_bh(from);
netif_addr_lock_nested(to);
__hw_addr_unsync(&to->uc, &from->uc, to->addr_len);
@@ -911,6 +920,7 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from)
if (to->addr_len != from->addr_len)
return;
+ /* See the above comments inside dev_uc_unsync(). */
netif_addr_lock_bh(from);
netif_addr_lock_nested(to);
__hw_addr_unsync(&to->mc, &from->mc, to->addr_len);
diff --git a/net/core/filter.c b/net/core/filter.c
index 73395384afe2..82e1b5b06167 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -5853,12 +5853,16 @@ BPF_CALL_1(bpf_skb_ecn_set_ce, struct sk_buff *, skb)
{
unsigned int iphdr_len;
- if (skb->protocol == cpu_to_be16(ETH_P_IP))
+ switch (skb_protocol(skb, true)) {
+ case cpu_to_be16(ETH_P_IP):
iphdr_len = sizeof(struct iphdr);
- else if (skb->protocol == cpu_to_be16(ETH_P_IPV6))
+ break;
+ case cpu_to_be16(ETH_P_IPV6):
iphdr_len = sizeof(struct ipv6hdr);
- else
+ break;
+ default:
return 0;
+ }
if (skb_headlen(skb) < iphdr_len)
return 0;
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index d02df0b6d0d9..142a8824f0a8 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -70,10 +70,10 @@ void skb_flow_dissector_init(struct flow_dissector *flow_dissector,
EXPORT_SYMBOL(skb_flow_dissector_init);
#ifdef CONFIG_BPF_SYSCALL
-int flow_dissector_bpf_prog_attach(struct net *net, struct bpf_prog *prog)
+int flow_dissector_bpf_prog_attach_check(struct net *net,
+ struct bpf_prog *prog)
{
enum netns_bpf_attach_type type = NETNS_BPF_FLOW_DISSECTOR;
- struct bpf_prog *attached;
if (net == &init_net) {
/* BPF flow dissector in the root namespace overrides
@@ -86,26 +86,17 @@ int flow_dissector_bpf_prog_attach(struct net *net, struct bpf_prog *prog)
for_each_net(ns) {
if (ns == &init_net)
continue;
- if (rcu_access_pointer(ns->bpf.progs[type]))
+ if (rcu_access_pointer(ns->bpf.run_array[type]))
return -EEXIST;
}
} else {
/* Make sure root flow dissector is not attached
* when attaching to the non-root namespace.
*/
- if (rcu_access_pointer(init_net.bpf.progs[type]))
+ if (rcu_access_pointer(init_net.bpf.run_array[type]))
return -EEXIST;
}
- attached = rcu_dereference_protected(net->bpf.progs[type],
- lockdep_is_held(&netns_bpf_mutex));
- if (attached == prog)
- /* The same program cannot be attached twice */
- return -EINVAL;
-
- rcu_assign_pointer(net->bpf.progs[type], prog);
- if (attached)
- bpf_prog_put(attached);
return 0;
}
#endif /* CONFIG_BPF_SYSCALL */
@@ -903,7 +894,6 @@ bool __skb_flow_dissect(const struct net *net,
struct flow_dissector_key_addrs *key_addrs;
struct flow_dissector_key_tags *key_tags;
struct flow_dissector_key_vlan *key_vlan;
- struct bpf_prog *attached = NULL;
enum flow_dissect_ret fdret;
enum flow_dissector_key_id dissector_vlan = FLOW_DISSECTOR_KEY_MAX;
bool mpls_el = false;
@@ -960,14 +950,14 @@ bool __skb_flow_dissect(const struct net *net,
WARN_ON_ONCE(!net);
if (net) {
enum netns_bpf_attach_type type = NETNS_BPF_FLOW_DISSECTOR;
+ struct bpf_prog_array *run_array;
rcu_read_lock();
- attached = rcu_dereference(init_net.bpf.progs[type]);
-
- if (!attached)
- attached = rcu_dereference(net->bpf.progs[type]);
+ run_array = rcu_dereference(init_net.bpf.run_array[type]);
+ if (!run_array)
+ run_array = rcu_dereference(net->bpf.run_array[type]);
- if (attached) {
+ if (run_array) {
struct bpf_flow_keys flow_keys;
struct bpf_flow_dissector ctx = {
.flow_keys = &flow_keys,
@@ -975,6 +965,7 @@ bool __skb_flow_dissect(const struct net *net,
.data_end = data + hlen,
};
__be16 n_proto = proto;
+ struct bpf_prog *prog;
if (skb) {
ctx.skb = skb;
@@ -985,7 +976,8 @@ bool __skb_flow_dissect(const struct net *net,
n_proto = skb->protocol;
}
- ret = bpf_flow_dissect(attached, &ctx, n_proto, nhoff,
+ prog = READ_ONCE(run_array->items[0].prog);
+ ret = bpf_flow_dissect(prog, &ctx, n_proto, nhoff,
hlen, flags);
__skb_flow_bpf_to_target(&flow_keys, flow_dissector,
target_container);
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index 351afbf6bfba..6a32a1fd34f8 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -683,7 +683,7 @@ static struct sk_psock *sk_psock_from_strp(struct strparser *strp)
return container_of(parser, struct sk_psock, parser);
}
-static void sk_psock_skb_redirect(struct sk_psock *psock, struct sk_buff *skb)
+static void sk_psock_skb_redirect(struct sk_buff *skb)
{
struct sk_psock *psock_other;
struct sock *sk_other;
@@ -715,12 +715,11 @@ static void sk_psock_skb_redirect(struct sk_psock *psock, struct sk_buff *skb)
}
}
-static void sk_psock_tls_verdict_apply(struct sk_psock *psock,
- struct sk_buff *skb, int verdict)
+static void sk_psock_tls_verdict_apply(struct sk_buff *skb, int verdict)
{
switch (verdict) {
case __SK_REDIRECT:
- sk_psock_skb_redirect(psock, skb);
+ sk_psock_skb_redirect(skb);
break;
case __SK_PASS:
case __SK_DROP:
@@ -741,8 +740,8 @@ int sk_psock_tls_strp_read(struct sk_psock *psock, struct sk_buff *skb)
ret = sk_psock_bpf_run(psock, prog, skb);
ret = sk_psock_map_verd(ret, tcp_skb_bpf_redirect_fetch(skb));
}
+ sk_psock_tls_verdict_apply(skb, ret);
rcu_read_unlock();
- sk_psock_tls_verdict_apply(psock, skb, ret);
return ret;
}
EXPORT_SYMBOL_GPL(sk_psock_tls_strp_read);
@@ -770,7 +769,7 @@ static void sk_psock_verdict_apply(struct sk_psock *psock,
}
goto out_free;
case __SK_REDIRECT:
- sk_psock_skb_redirect(psock, skb);
+ sk_psock_skb_redirect(skb);
break;
case __SK_DROP:
/* fall-through */
@@ -782,11 +781,18 @@ out_free:
static void sk_psock_strp_read(struct strparser *strp, struct sk_buff *skb)
{
- struct sk_psock *psock = sk_psock_from_strp(strp);
+ struct sk_psock *psock;
struct bpf_prog *prog;
int ret = __SK_DROP;
+ struct sock *sk;
rcu_read_lock();
+ sk = strp->sk;
+ psock = sk_psock(sk);
+ if (unlikely(!psock)) {
+ kfree_skb(skb);
+ goto out;
+ }
prog = READ_ONCE(psock->progs.skb_verdict);
if (likely(prog)) {
skb_orphan(skb);
@@ -794,8 +800,9 @@ static void sk_psock_strp_read(struct strparser *strp, struct sk_buff *skb)
ret = sk_psock_bpf_run(psock, prog, skb);
ret = sk_psock_map_verd(ret, tcp_skb_bpf_redirect_fetch(skb));
}
- rcu_read_unlock();
sk_psock_verdict_apply(psock, skb, ret);
+out:
+ rcu_read_unlock();
}
static int sk_psock_strp_read_done(struct strparser *strp, int err)
diff --git a/net/core/sock.c b/net/core/sock.c
index d832c650287c..2e5b7870e5d3 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1926,7 +1926,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
/* sk->sk_memcg will be populated at accept() time */
newsk->sk_memcg = NULL;
- cgroup_sk_alloc(&newsk->sk_cgrp_data);
+ cgroup_sk_clone(&newsk->sk_cgrp_data);
rcu_read_lock();
filter = rcu_dereference(sk->sk_filter);
diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index 4059f94e9bb5..0971f17e8e54 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -70,11 +70,49 @@ int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog)
struct fd f;
int ret;
+ if (attr->attach_flags || attr->replace_bpf_fd)
+ return -EINVAL;
+
f = fdget(ufd);
map = __bpf_map_get(f);
if (IS_ERR(map))
return PTR_ERR(map);
- ret = sock_map_prog_update(map, prog, attr->attach_type);
+ ret = sock_map_prog_update(map, prog, NULL, attr->attach_type);
+ fdput(f);
+ return ret;
+}
+
+int sock_map_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype)
+{
+ u32 ufd = attr->target_fd;
+ struct bpf_prog *prog;
+ struct bpf_map *map;
+ struct fd f;
+ int ret;
+
+ if (attr->attach_flags || attr->replace_bpf_fd)
+ return -EINVAL;
+
+ f = fdget(ufd);
+ map = __bpf_map_get(f);
+ if (IS_ERR(map))
+ return PTR_ERR(map);
+
+ prog = bpf_prog_get(attr->attach_bpf_fd);
+ if (IS_ERR(prog)) {
+ ret = PTR_ERR(prog);
+ goto put_map;
+ }
+
+ if (prog->type != ptype) {
+ ret = -EINVAL;
+ goto put_prog;
+ }
+
+ ret = sock_map_prog_update(map, NULL, prog, attr->attach_type);
+put_prog:
+ bpf_prog_put(prog);
+put_map:
fdput(f);
return ret;
}
@@ -1203,27 +1241,32 @@ static struct sk_psock_progs *sock_map_progs(struct bpf_map *map)
}
int sock_map_prog_update(struct bpf_map *map, struct bpf_prog *prog,
- u32 which)
+ struct bpf_prog *old, u32 which)
{
struct sk_psock_progs *progs = sock_map_progs(map);
+ struct bpf_prog **pprog;
if (!progs)
return -EOPNOTSUPP;
switch (which) {
case BPF_SK_MSG_VERDICT:
- psock_set_prog(&progs->msg_parser, prog);
+ pprog = &progs->msg_parser;
break;
case BPF_SK_SKB_STREAM_PARSER:
- psock_set_prog(&progs->skb_parser, prog);
+ pprog = &progs->skb_parser;
break;
case BPF_SK_SKB_STREAM_VERDICT:
- psock_set_prog(&progs->skb_verdict, prog);
+ pprog = &progs->skb_verdict;
break;
default:
return -EOPNOTSUPP;
}
+ if (old)
+ return psock_replace_prog(pprog, prog, old);
+
+ psock_set_prog(pprog, prog);
return 0;
}
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index f93f8ace6c56..6ada114bbcca 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -274,7 +274,7 @@ static int proc_dointvec_minmax_bpf_enable(struct ctl_table *table, int write,
ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
if (write && !ret) {
if (jit_enable < 2 ||
- (jit_enable == 2 && bpf_dump_raw_ok())) {
+ (jit_enable == 2 && bpf_dump_raw_ok(current_cred()))) {
*(int *)table->data = jit_enable;
if (jit_enable == 2)
pr_warn("bpf_jit_enable = 2 was set! NEVER use this in production, only for JIT debugging!\n");
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index 88fd07f47040..dd8a1c1dc07d 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -376,10 +376,17 @@ err_dev:
}
static int ethnl_default_dump_one(struct sk_buff *skb, struct net_device *dev,
- const struct ethnl_dump_ctx *ctx)
+ const struct ethnl_dump_ctx *ctx,
+ struct netlink_callback *cb)
{
+ void *ehdr;
int ret;
+ ehdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
+ &ethtool_genl_family, 0, ctx->ops->reply_cmd);
+ if (!ehdr)
+ return -EMSGSIZE;
+
ethnl_init_reply_data(ctx->reply_data, ctx->ops, dev);
rtnl_lock();
ret = ctx->ops->prepare_data(ctx->req_info, ctx->reply_data, NULL);
@@ -395,6 +402,10 @@ out:
if (ctx->ops->cleanup_data)
ctx->ops->cleanup_data(ctx->reply_data);
ctx->reply_data->dev = NULL;
+ if (ret < 0)
+ genlmsg_cancel(skb, ehdr);
+ else
+ genlmsg_end(skb, ehdr);
return ret;
}
@@ -411,7 +422,6 @@ static int ethnl_default_dumpit(struct sk_buff *skb,
int s_idx = ctx->pos_idx;
int h, idx = 0;
int ret = 0;
- void *ehdr;
rtnl_lock();
for (h = ctx->pos_hash; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
@@ -431,26 +441,15 @@ restart_chain:
dev_hold(dev);
rtnl_unlock();
- ehdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq,
- &ethtool_genl_family, 0,
- ctx->ops->reply_cmd);
- if (!ehdr) {
- dev_put(dev);
- ret = -EMSGSIZE;
- goto out;
- }
- ret = ethnl_default_dump_one(skb, dev, ctx);
+ ret = ethnl_default_dump_one(skb, dev, ctx, cb);
dev_put(dev);
if (ret < 0) {
- genlmsg_cancel(skb, ehdr);
if (ret == -EOPNOTSUPP)
goto lock_and_cont;
if (likely(skb->len))
ret = skb->len;
goto out;
}
- genlmsg_end(skb, ehdr);
lock_and_cont:
rtnl_lock();
if (net->dev_base_seq != seq) {
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index 478852ef98ef..a6f4e9f65b14 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -415,6 +415,7 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2],
unsigned char multicast_spec, u8 protocol_version,
struct netlink_ext_ack *extack)
{
+ bool unregister = false;
struct hsr_priv *hsr;
int res;
@@ -466,25 +467,27 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2],
if (res)
goto err_unregister;
+ unregister = true;
+
res = hsr_add_port(hsr, slave[0], HSR_PT_SLAVE_A, extack);
if (res)
- goto err_add_slaves;
+ goto err_unregister;
res = hsr_add_port(hsr, slave[1], HSR_PT_SLAVE_B, extack);
if (res)
- goto err_add_slaves;
+ goto err_unregister;
hsr_debugfs_init(hsr, hsr_dev);
mod_timer(&hsr->prune_timer, jiffies + msecs_to_jiffies(PRUNE_PERIOD));
return 0;
-err_add_slaves:
- unregister_netdevice(hsr_dev);
err_unregister:
hsr_del_ports(hsr);
err_add_master:
hsr_del_self_node(hsr);
+ if (unregister)
+ unregister_netdevice(hsr_dev);
return res;
}
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 956a806649f7..e30515f89802 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -427,7 +427,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
ipcm_init(&ipc);
inet->tos = ip_hdr(skb)->tos;
- sk->sk_mark = mark;
+ ipc.sockc.mark = mark;
daddr = ipc.addr = ip_hdr(skb)->saddr;
saddr = fib_compute_spec_dst(skb);
@@ -710,10 +710,10 @@ void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
icmp_param.skb = skb_in;
icmp_param.offset = skb_network_offset(skb_in);
inet_sk(sk)->tos = tos;
- sk->sk_mark = mark;
ipcm_init(&ipc);
ipc.addr = iph->saddr;
ipc.opt = &icmp_param.replyopts.opt;
+ ipc.sockc.mark = mark;
rt = icmp_route_lookup(net, &fl4, skb_in, iph, saddr, tos, mark,
type, code, &icmp_param);
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 090d3097ee15..17206677d503 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1702,7 +1702,7 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb,
sk->sk_protocol = ip_hdr(skb)->protocol;
sk->sk_bound_dev_if = arg->bound_dev_if;
sk->sk_sndbuf = sysctl_wmem_default;
- sk->sk_mark = fl4.flowi4_mark;
+ ipc.sockc.mark = fl4.flowi4_mark;
err = ip_append_data(sk, &fl4, ip_reply_glue_bits, arg->iov->iov_base,
len, 0, &ipc, &rt, MSG_DONTWAIT);
if (unlikely(err)) {
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index 181b7a2a0247..f8b419e2475c 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -844,3 +844,21 @@ void ip_tunnel_unneed_metadata(void)
static_branch_dec(&ip_tunnel_metadata_cnt);
}
EXPORT_SYMBOL_GPL(ip_tunnel_unneed_metadata);
+
+/* Returns either the correct skb->protocol value, or 0 if invalid. */
+__be16 ip_tunnel_parse_protocol(const struct sk_buff *skb)
+{
+ if (skb_network_header(skb) >= skb->head &&
+ (skb_network_header(skb) + sizeof(struct iphdr)) <= skb_tail_pointer(skb) &&
+ ip_hdr(skb)->version == 4)
+ return htons(ETH_P_IP);
+ if (skb_network_header(skb) >= skb->head &&
+ (skb_network_header(skb) + sizeof(struct ipv6hdr)) <= skb_tail_pointer(skb) &&
+ ipv6_hdr(skb)->version == 6)
+ return htons(ETH_P_IPV6);
+ return 0;
+}
+EXPORT_SYMBOL(ip_tunnel_parse_protocol);
+
+const struct header_ops ip_tunnel_header_ops = { .parse_protocol = ip_tunnel_parse_protocol };
+EXPORT_SYMBOL(ip_tunnel_header_ops);
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 1d9c8cff5ac3..460ca1099e8a 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -441,6 +441,7 @@ static const struct net_device_ops vti_netdev_ops = {
static void vti_tunnel_setup(struct net_device *dev)
{
dev->netdev_ops = &vti_netdev_ops;
+ dev->header_ops = &ip_tunnel_header_ops;
dev->type = ARPHRD_TUNNEL;
ip_tunnel_setup(dev, vti_net_id);
}
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 40fea52c8277..75d35e76bec2 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -361,6 +361,7 @@ static const struct net_device_ops ipip_netdev_ops = {
static void ipip_tunnel_setup(struct net_device *dev)
{
dev->netdev_ops = &ipip_netdev_ops;
+ dev->header_ops = &ip_tunnel_header_ops;
dev->type = ARPHRD_TUNNEL;
dev->flags = IFF_NOARP;
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 535427292194..df6fbefe44d4 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -786,6 +786,9 @@ static int ping_v4_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
inet_sk_flowi_flags(sk), faddr, saddr, 0, 0,
sk->sk_uid);
+ fl4.fl4_icmp_type = user_icmph.type;
+ fl4.fl4_icmp_code = user_icmph.code;
+
security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
rt = ip_route_output_flow(net, &fl4, sk);
if (IS_ERR(rt)) {
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 1d7076b78e63..a01efa062f6b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2027,7 +2027,7 @@ int ip_route_use_hint(struct sk_buff *skb, __be32 daddr, __be32 saddr,
const struct sk_buff *hint)
{
struct in_device *in_dev = __in_dev_get_rcu(dev);
- struct rtable *rt = (struct rtable *)hint;
+ struct rtable *rt = skb_rtable(hint);
struct net *net = dev_net(dev);
int err = -EINVAL;
u32 tag = 0;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 810cc164f795..6f0caf9a866d 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2691,6 +2691,9 @@ int tcp_disconnect(struct sock *sk, int flags)
tp->window_clamp = 0;
tp->delivered = 0;
tp->delivered_ce = 0;
+ if (icsk->icsk_ca_ops->release)
+ icsk->icsk_ca_ops->release(sk);
+ memset(icsk->icsk_ca_priv, 0, sizeof(icsk->icsk_ca_priv));
tcp_set_ca_state(sk, TCP_CA_Open);
tp->is_sack_reneg = 0;
tcp_clear_retrans(tp);
@@ -3246,10 +3249,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
#ifdef CONFIG_TCP_MD5SIG
case TCP_MD5SIG:
case TCP_MD5SIG_EXT:
- if ((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN))
- err = tp->af_specific->md5_parse(sk, optname, optval, optlen);
- else
- err = -EINVAL;
+ err = tp->af_specific->md5_parse(sk, optname, optval, optlen);
break;
#endif
case TCP_USER_TIMEOUT:
@@ -4033,11 +4033,14 @@ EXPORT_SYMBOL(tcp_md5_hash_skb_data);
int tcp_md5_hash_key(struct tcp_md5sig_pool *hp, const struct tcp_md5sig_key *key)
{
+ u8 keylen = READ_ONCE(key->keylen); /* paired with WRITE_ONCE() in tcp_md5_do_add */
struct scatterlist sg;
- sg_init_one(&sg, key->key, key->keylen);
- ahash_request_set_crypt(hp->md5_req, &sg, NULL, key->keylen);
- return crypto_ahash_update(hp->md5_req);
+ sg_init_one(&sg, key->key, keylen);
+ ahash_request_set_crypt(hp->md5_req, &sg, NULL, keylen);
+
+ /* We use data_race() because tcp_md5_do_add() might change key->key under us */
+ return data_race(crypto_ahash_update(hp->md5_req));
}
EXPORT_SYMBOL(tcp_md5_hash_key);
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 3172e31987be..62878cf26d9c 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -197,7 +197,7 @@ static void tcp_reinit_congestion_control(struct sock *sk,
icsk->icsk_ca_setsockopt = 1;
memset(icsk->icsk_ca_priv, 0, sizeof(icsk->icsk_ca_priv));
- if (sk->sk_state != TCP_CLOSE)
+ if (!((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)))
tcp_init_congestion_control(sk);
}
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index f3a0eb139b76..9615e72656d1 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4582,6 +4582,7 @@ static void tcp_data_queue_ofo(struct sock *sk, struct sk_buff *skb)
if (unlikely(tcp_try_rmem_schedule(sk, skb, skb->truesize))) {
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPOFODROP);
+ sk->sk_data_ready(sk);
tcp_drop(sk, skb);
return;
}
@@ -4828,6 +4829,7 @@ queue_and_out:
sk_forced_mem_schedule(sk, skb->truesize);
else if (tcp_try_rmem_schedule(sk, skb, skb->truesize)) {
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPRCVQDROP);
+ sk->sk_data_ready(sk);
goto drop;
}
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index ad6435ba6d72..04bfcbbfee83 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1111,9 +1111,21 @@ int tcp_md5_do_add(struct sock *sk, const union tcp_md5_addr *addr,
key = tcp_md5_do_lookup_exact(sk, addr, family, prefixlen, l3index);
if (key) {
- /* Pre-existing entry - just update that one. */
- memcpy(key->key, newkey, newkeylen);
- key->keylen = newkeylen;
+ /* Pre-existing entry - just update that one.
+ * Note that the key might be used concurrently.
+ * data_race() is telling kcsan that we do not care of
+ * key mismatches, since changing MD5 key on live flows
+ * can lead to packet drops.
+ */
+ data_race(memcpy(key->key, newkey, newkeylen));
+
+ /* Pairs with READ_ONCE() in tcp_md5_hash_key().
+ * Also note that a reader could catch new key->keylen value
+ * but old key->key[], this is the reason we use __GFP_ZERO
+ * at sock_kmalloc() time below these lines.
+ */
+ WRITE_ONCE(key->keylen, newkeylen);
+
return 0;
}
@@ -1129,7 +1141,7 @@ int tcp_md5_do_add(struct sock *sk, const union tcp_md5_addr *addr,
rcu_assign_pointer(tp->md5sig_info, md5sig);
}
- key = sock_kmalloc(sk, sizeof(*key), gfp);
+ key = sock_kmalloc(sk, sizeof(*key), gfp | __GFP_ZERO);
if (!key)
return -ENOMEM;
if (!tcp_alloc_md5sig_pool()) {
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index a50e1990a845..5f5b2f0b0e60 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -700,7 +700,8 @@ static unsigned int tcp_synack_options(const struct sock *sk,
unsigned int mss, struct sk_buff *skb,
struct tcp_out_options *opts,
const struct tcp_md5sig_key *md5,
- struct tcp_fastopen_cookie *foc)
+ struct tcp_fastopen_cookie *foc,
+ enum tcp_synack_type synack_type)
{
struct inet_request_sock *ireq = inet_rsk(req);
unsigned int remaining = MAX_TCP_OPTION_SPACE;
@@ -715,7 +716,8 @@ static unsigned int tcp_synack_options(const struct sock *sk,
* rather than TS in order to fit in better with old,
* buggy kernels, but that was deemed to be unnecessary.
*/
- ireq->tstamp_ok &= !ireq->sack_ok;
+ if (synack_type != TCP_SYNACK_COOKIE)
+ ireq->tstamp_ok &= !ireq->sack_ok;
}
#endif
@@ -3394,7 +3396,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
#endif
skb_set_hash(skb, tcp_rsk(req)->txhash, PKT_HASH_TYPE_L4);
tcp_header_size = tcp_synack_options(sk, req, mss, skb, &opts, md5,
- foc) + sizeof(*th);
+ foc, synack_type) + sizeof(*th);
skb_push(skb, tcp_header_size);
skb_reset_transport_header(skb);
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index fc5000370030..9df8737ae0d3 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -566,7 +566,6 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
fl6.mp_hash = rt6_multipath_hash(net, &fl6, skb, NULL);
security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
- sk->sk_mark = mark;
np = inet6_sk(sk);
if (!icmpv6_xrlim_allow(sk, type, &fl6))
@@ -583,6 +582,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
fl6.flowi6_oif = np->ucast_oif;
ipcm6_init_sk(&ipc6, np);
+ ipc6.sockc.mark = mark;
fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);
dst = icmpv6_route_lookup(net, skb, sk, &fl6);
@@ -751,7 +751,6 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
sk = icmpv6_xmit_lock(net);
if (!sk)
goto out_bh_enable;
- sk->sk_mark = mark;
np = inet6_sk(sk);
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
@@ -779,6 +778,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
ipcm6_init_sk(&ipc6, np);
ipc6.hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);
ipc6.tclass = ipv6_get_dsfield(ipv6_hdr(skb));
+ ipc6.sockc.mark = mark;
if (ip6_append_data(sk, icmpv6_getfrag, &msg,
skb->len + sizeof(struct icmp6hdr),
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 821d96c720b9..a18c378ca5f4 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1846,6 +1846,7 @@ static const struct net_device_ops ip6_tnl_netdev_ops = {
static void ip6_tnl_dev_setup(struct net_device *dev)
{
dev->netdev_ops = &ip6_tnl_netdev_ops;
+ dev->header_ops = &ip_tunnel_header_ops;
dev->needs_free_netdev = true;
dev->priv_destructor = ip6_dev_free;
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 1147f647b9a0..0d964160a9dd 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -905,6 +905,7 @@ static const struct net_device_ops vti6_netdev_ops = {
static void vti6_dev_setup(struct net_device *dev)
{
dev->netdev_ops = &vti6_netdev_ops;
+ dev->header_ops = &ip_tunnel_header_ops;
dev->needs_free_netdev = true;
dev->priv_destructor = vti6_dev_free;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 82cbb46a2a4f..f3279810d765 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -431,9 +431,12 @@ void fib6_select_path(const struct net *net, struct fib6_result *res,
struct fib6_info *sibling, *next_sibling;
struct fib6_info *match = res->f6i;
- if ((!match->fib6_nsiblings && !match->nh) || have_oif_match)
+ if (!match->nh && (!match->fib6_nsiblings || have_oif_match))
goto out;
+ if (match->nh && have_oif_match && res->nh)
+ return;
+
/* We might have already computed the hash for ICMPv6 errors. In such
* case it will always be non-zero. Otherwise now is the time to do it.
*/
@@ -3402,7 +3405,7 @@ static bool fib6_is_reject(u32 flags, struct net_device *dev, int addr_type)
if ((flags & RTF_REJECT) ||
(dev && (dev->flags & IFF_LOOPBACK) &&
!(addr_type & IPV6_ADDR_LOOPBACK) &&
- !(flags & RTF_LOCAL)))
+ !(flags & (RTF_ANYCAST | RTF_LOCAL))))
return true;
return false;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 1fbb4dfbb191..5e2c34c0ac97 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1421,6 +1421,7 @@ static void ipip6_tunnel_setup(struct net_device *dev)
int t_hlen = tunnel->hlen + sizeof(struct iphdr);
dev->netdev_ops = &ipip6_netdev_ops;
+ dev->header_ops = &ip_tunnel_header_ops;
dev->needs_free_netdev = true;
dev->priv_destructor = ipip6_dev_free;
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 6d7ef78c88af..6434d17e6e8e 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1028,6 +1028,7 @@ static void l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb,
/* Queue the packet to IP for output */
skb->ignore_df = 1;
+ skb_dst_drop(skb);
#if IS_ENABLED(CONFIG_IPV6)
if (l2tp_sk_is_v6(tunnel->sock))
error = inet6_csk_xmit(tunnel->sock, skb, NULL);
@@ -1099,10 +1100,6 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len
goto out_unlock;
}
- /* Get routing info from the tunnel socket */
- skb_dst_drop(skb);
- skb_dst_set(skb, sk_dst_check(sk, 0));
-
inet = inet_sk(sk);
fl = &inet->cork.fl;
switch (tunnel->encap) {
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 54fb8d452a7b..6e53e43c1907 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -273,6 +273,10 @@ static int llc_ui_autobind(struct socket *sock, struct sockaddr_llc *addr)
if (!sock_flag(sk, SOCK_ZAPPED))
goto out;
+ if (!addr->sllc_arphrd)
+ addr->sllc_arphrd = ARPHRD_ETHER;
+ if (addr->sllc_arphrd != ARPHRD_ETHER)
+ goto out;
rc = -ENODEV;
if (sk->sk_bound_dev_if) {
llc->dev = dev_get_by_index(&init_net, sk->sk_bound_dev_if);
@@ -328,7 +332,9 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
if (unlikely(!sock_flag(sk, SOCK_ZAPPED) || addrlen != sizeof(*addr)))
goto out;
rc = -EAFNOSUPPORT;
- if (unlikely(addr->sllc_family != AF_LLC))
+ if (!addr->sllc_arphrd)
+ addr->sllc_arphrd = ARPHRD_ETHER;
+ if (unlikely(addr->sllc_family != AF_LLC || addr->sllc_arphrd != ARPHRD_ETHER))
goto out;
dprintk("%s: binding %02X\n", __func__, addr->sllc_sap);
rc = -ENODEV;
@@ -336,8 +342,6 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
if (sk->sk_bound_dev_if) {
llc->dev = dev_get_by_index_rcu(&init_net, sk->sk_bound_dev_if);
if (llc->dev) {
- if (!addr->sllc_arphrd)
- addr->sllc_arphrd = llc->dev->type;
if (is_zero_ether_addr(addr->sllc_mac))
memcpy(addr->sllc_mac, llc->dev->dev_addr,
IFHWADDRLEN);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index aa5150929996..02cde0fd08fe 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1105,11 +1105,8 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
ttl, lifetime, 0, ifmsh->preq_id++, sdata);
spin_lock_bh(&mpath->state_lock);
- if (mpath->flags & MESH_PATH_DELETED) {
- spin_unlock_bh(&mpath->state_lock);
- goto enddiscovery;
- }
- mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
+ if (!(mpath->flags & MESH_PATH_DELETED))
+ mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
spin_unlock_bh(&mpath->state_lock);
enddiscovery:
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index a88ab6fb16f2..5c5af4b5fc08 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2396,6 +2396,7 @@ static int ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx)
static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
{
+ struct ieee80211_hdr *hdr = (void *)rx->skb->data;
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
@@ -2406,6 +2407,31 @@ static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
if (status->flag & RX_FLAG_DECRYPTED)
return 0;
+ /* check mesh EAPOL frames first */
+ if (unlikely(rx->sta && ieee80211_vif_is_mesh(&rx->sdata->vif) &&
+ ieee80211_is_data(fc))) {
+ struct ieee80211s_hdr *mesh_hdr;
+ u16 hdr_len = ieee80211_hdrlen(fc);
+ u16 ethertype_offset;
+ __be16 ethertype;
+
+ if (!ether_addr_equal(hdr->addr1, rx->sdata->vif.addr))
+ goto drop_check;
+
+ /* make sure fixed part of mesh header is there, also checks skb len */
+ if (!pskb_may_pull(rx->skb, hdr_len + 6))
+ goto drop_check;
+
+ mesh_hdr = (struct ieee80211s_hdr *)(skb->data + hdr_len);
+ ethertype_offset = hdr_len + ieee80211_get_mesh_hdrlen(mesh_hdr) +
+ sizeof(rfc1042_header);
+
+ if (skb_copy_bits(rx->skb, ethertype_offset, &ethertype, 2) == 0 &&
+ ethertype == rx->sdata->control_port_protocol)
+ return 0;
+ }
+
+drop_check:
/* Drop unencrypted frames if key is set. */
if (unlikely(!ieee80211_has_protected(fc) &&
!ieee80211_is_any_nullfunc(fc) &&
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 7b1bacac39c6..cbc40b358ba2 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -639,11 +639,23 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_hdr *hdr = (void *)skb->data;
+ __be16 ethertype = 0;
+
+ if (skb->len >= ETH_HLEN && skb->protocol == cpu_to_be16(ETH_P_802_3))
+ skb_copy_bits(skb, 2 * ETH_ALEN, &ethertype, ETH_TLEN);
rcu_read_lock();
sdata = ieee80211_sdata_from_skb(local, skb);
if (sdata) {
- if (ieee80211_is_any_nullfunc(hdr->frame_control))
+ if (ethertype == sdata->control_port_protocol ||
+ ethertype == cpu_to_be16(ETH_P_PREAUTH))
+ cfg80211_control_port_tx_status(&sdata->wdev,
+ cookie,
+ skb->data,
+ skb->len,
+ acked,
+ GFP_ATOMIC);
+ else if (ieee80211_is_any_nullfunc(hdr->frame_control))
cfg80211_probe_status(sdata->dev, hdr->addr1,
cookie, acked,
info->status.ack_signal,
@@ -654,12 +666,8 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
skb->data, skb->len,
acked, GFP_ATOMIC);
else
- cfg80211_control_port_tx_status(&sdata->wdev,
- cookie,
- skb->data,
- skb->len,
- acked,
- GFP_ATOMIC);
+ pr_warn("Unknown status report in ack skb\n");
+
}
rcu_read_unlock();
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e9ce658141f5..1a2941e5244f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3996,6 +3996,9 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,
skb_list_walk_safe(skb, skb, next) {
skb_mark_not_on_list(skb);
+ if (skb->protocol == sdata->control_port_protocol)
+ ctrl_flags |= IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP;
+
skb = ieee80211_build_hdr(sdata, skb, info_flags,
sta, ctrl_flags, cookie);
if (IS_ERR(skb)) {
@@ -4206,7 +4209,7 @@ static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata,
(!sta || !test_sta_flag(sta, WLAN_STA_TDLS_PEER)))
ra = sdata->u.mgd.bssid;
- if (!is_valid_ether_addr(ra))
+ if (is_zero_ether_addr(ra))
goto out_free;
multicast = is_multicast_ether_addr(ra);
@@ -5371,7 +5374,8 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
return -EINVAL;
if (proto == sdata->control_port_protocol)
- ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
+ ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO |
+ IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP;
if (unencrypted)
flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index df9a51425c6f..8f940be42f98 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -449,9 +449,9 @@ static bool mptcp_established_options_mp(struct sock *sk, struct sk_buff *skb,
}
static void mptcp_write_data_fin(struct mptcp_subflow_context *subflow,
- struct mptcp_ext *ext)
+ struct sk_buff *skb, struct mptcp_ext *ext)
{
- if (!ext->use_map) {
+ if (!ext->use_map || !skb->len) {
/* RFC6824 requires a DSS mapping with specific values
* if DATA_FIN is set but no data payload is mapped
*/
@@ -503,7 +503,7 @@ static bool mptcp_established_options_dss(struct sock *sk, struct sk_buff *skb,
opts->ext_copy = *mpext;
if (skb && tcp_fin && subflow->data_fin_tx_enable)
- mptcp_write_data_fin(subflow, &opts->ext_copy);
+ mptcp_write_data_fin(subflow, skb, &opts->ext_copy);
ret = true;
}
diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c
index 486959f70cf3..a8ce04a4bb72 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -326,7 +326,7 @@ bitmap_ip_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
set->variant = &bitmap_ip;
if (!init_map_ip(set, map, first_ip, last_ip,
elements, hosts, netmask)) {
- kfree(map);
+ ip_set_free(map);
return -ENOMEM;
}
if (tb[IPSET_ATTR_TIMEOUT]) {
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index 2310a316e0af..2c625e0f49ec 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -363,7 +363,7 @@ bitmap_ipmac_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
map->memsize = BITS_TO_LONGS(elements) * sizeof(unsigned long);
set->variant = &bitmap_ipmac;
if (!init_map_ipmac(set, map, first_ip, last_ip, elements)) {
- kfree(map);
+ ip_set_free(map);
return -ENOMEM;
}
if (tb[IPSET_ATTR_TIMEOUT]) {
diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index e56ced66f202..7138e080def4 100644
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -274,7 +274,7 @@ bitmap_port_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
map->memsize = BITS_TO_LONGS(elements) * sizeof(unsigned long);
set->variant = &bitmap_port;
if (!init_map_port(set, map, first_port, last_port)) {
- kfree(map);
+ ip_set_free(map);
return -ENOMEM;
}
if (tb[IPSET_ATTR_TIMEOUT]) {
diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 1ee43752d6d3..521e970be402 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -682,7 +682,7 @@ retry:
}
t->hregion = ip_set_alloc(ahash_sizeof_regions(htable_bits));
if (!t->hregion) {
- kfree(t);
+ ip_set_free(t);
ret = -ENOMEM;
goto out;
}
@@ -1533,7 +1533,7 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set,
}
t->hregion = ip_set_alloc(ahash_sizeof_regions(hbits));
if (!t->hregion) {
- kfree(t);
+ ip_set_free(t);
kfree(h);
return -ENOMEM;
}
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 79cd9dde457b..f33d72c5b06e 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -2158,6 +2158,8 @@ static int nf_conntrack_update(struct net *net, struct sk_buff *skb)
err = __nf_conntrack_update(net, skb, ct, ctinfo);
if (err < 0)
return err;
+
+ ct = nf_ct_get(skb, &ctinfo);
}
return nf_confirm_cthelper(skb, ct, ctinfo);
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 55ee680e9db1..9395ee8a868d 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -351,22 +351,11 @@ int genl_register_family(struct genl_family *family)
start = end = GENL_ID_VFS_DQUOT;
}
- if (family->maxattr && !family->parallel_ops) {
- family->attrbuf = kmalloc_array(family->maxattr + 1,
- sizeof(struct nlattr *),
- GFP_KERNEL);
- if (family->attrbuf == NULL) {
- err = -ENOMEM;
- goto errout_locked;
- }
- } else
- family->attrbuf = NULL;
-
family->id = idr_alloc_cyclic(&genl_fam_idr, family,
start, end + 1, GFP_KERNEL);
if (family->id < 0) {
err = family->id;
- goto errout_free;
+ goto errout_locked;
}
err = genl_validate_assign_mc_groups(family);
@@ -385,8 +374,6 @@ int genl_register_family(struct genl_family *family)
errout_remove:
idr_remove(&genl_fam_idr, family->id);
-errout_free:
- kfree(family->attrbuf);
errout_locked:
genl_unlock_all();
return err;
@@ -419,8 +406,6 @@ int genl_unregister_family(const struct genl_family *family)
atomic_read(&genl_sk_destructing_cnt) == 0);
genl_unlock();
- kfree(family->attrbuf);
-
genl_ctrl_event(CTRL_CMD_DELFAMILY, family, NULL, 0);
return 0;
@@ -485,30 +470,23 @@ genl_family_rcv_msg_attrs_parse(const struct genl_family *family,
if (!family->maxattr)
return NULL;
- if (family->parallel_ops) {
- attrbuf = kmalloc_array(family->maxattr + 1,
- sizeof(struct nlattr *), GFP_KERNEL);
- if (!attrbuf)
- return ERR_PTR(-ENOMEM);
- } else {
- attrbuf = family->attrbuf;
- }
+ attrbuf = kmalloc_array(family->maxattr + 1,
+ sizeof(struct nlattr *), GFP_KERNEL);
+ if (!attrbuf)
+ return ERR_PTR(-ENOMEM);
err = __nlmsg_parse(nlh, hdrlen, attrbuf, family->maxattr,
family->policy, validate, extack);
if (err) {
- if (family->parallel_ops)
- kfree(attrbuf);
+ kfree(attrbuf);
return ERR_PTR(err);
}
return attrbuf;
}
-static void genl_family_rcv_msg_attrs_free(const struct genl_family *family,
- struct nlattr **attrbuf)
+static void genl_family_rcv_msg_attrs_free(struct nlattr **attrbuf)
{
- if (family->parallel_ops)
- kfree(attrbuf);
+ kfree(attrbuf);
}
struct genl_start_context {
@@ -542,7 +520,7 @@ static int genl_start(struct netlink_callback *cb)
no_attrs:
info = genl_dumpit_info_alloc();
if (!info) {
- genl_family_rcv_msg_attrs_free(ctx->family, attrs);
+ genl_family_rcv_msg_attrs_free(attrs);
return -ENOMEM;
}
info->family = ctx->family;
@@ -559,7 +537,7 @@ no_attrs:
}
if (rc) {
- genl_family_rcv_msg_attrs_free(info->family, info->attrs);
+ genl_family_rcv_msg_attrs_free(info->attrs);
genl_dumpit_info_free(info);
cb->data = NULL;
}
@@ -588,7 +566,7 @@ static int genl_lock_done(struct netlink_callback *cb)
rc = ops->done(cb);
genl_unlock();
}
- genl_family_rcv_msg_attrs_free(info->family, info->attrs);
+ genl_family_rcv_msg_attrs_free(info->attrs);
genl_dumpit_info_free(info);
return rc;
}
@@ -601,7 +579,7 @@ static int genl_parallel_done(struct netlink_callback *cb)
if (ops->done)
rc = ops->done(cb);
- genl_family_rcv_msg_attrs_free(info->family, info->attrs);
+ genl_family_rcv_msg_attrs_free(info->attrs);
genl_dumpit_info_free(info);
return rc;
}
@@ -694,7 +672,7 @@ static int genl_family_rcv_msg_doit(const struct genl_family *family,
family->post_doit(ops, skb, &info);
out:
- genl_family_rcv_msg_attrs_free(family, attrbuf);
+ genl_family_rcv_msg_attrs_free(attrbuf);
return err;
}
@@ -1166,60 +1144,11 @@ static struct genl_family genl_ctrl __ro_after_init = {
.netnsok = true,
};
-static int genl_bind(struct net *net, int group)
-{
- struct genl_family *f;
- int err = -ENOENT;
- unsigned int id;
-
- down_read(&cb_lock);
-
- idr_for_each_entry(&genl_fam_idr, f, id) {
- if (group >= f->mcgrp_offset &&
- group < f->mcgrp_offset + f->n_mcgrps) {
- int fam_grp = group - f->mcgrp_offset;
-
- if (!f->netnsok && net != &init_net)
- err = -ENOENT;
- else if (f->mcast_bind)
- err = f->mcast_bind(net, fam_grp);
- else
- err = 0;
- break;
- }
- }
- up_read(&cb_lock);
-
- return err;
-}
-
-static void genl_unbind(struct net *net, int group)
-{
- struct genl_family *f;
- unsigned int id;
-
- down_read(&cb_lock);
-
- idr_for_each_entry(&genl_fam_idr, f, id) {
- if (group >= f->mcgrp_offset &&
- group < f->mcgrp_offset + f->n_mcgrps) {
- int fam_grp = group - f->mcgrp_offset;
-
- if (f->mcast_unbind)
- f->mcast_unbind(net, fam_grp);
- break;
- }
- }
- up_read(&cb_lock);
-}
-
static int __net_init genl_pernet_init(struct net *net)
{
struct netlink_kernel_cfg cfg = {
.input = genl_rcv,
.flags = NL_CFG_F_NONROOT_RECV,
- .bind = genl_bind,
- .unbind = genl_unbind,
};
/* we'll bump the group number right afterwards */
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 2d8d6131bc5f..24a8c3c6da0d 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -166,6 +166,7 @@ static void __qrtr_node_release(struct kref *kref)
{
struct qrtr_node *node = container_of(kref, struct qrtr_node, ref);
struct radix_tree_iter iter;
+ struct qrtr_tx_flow *flow;
unsigned long flags;
void __rcu **slot;
@@ -181,8 +182,9 @@ static void __qrtr_node_release(struct kref *kref)
/* Free tx flow counters */
radix_tree_for_each_slot(slot, &node->qrtr_tx_flow, &iter, 0) {
+ flow = *slot;
radix_tree_iter_delete(&node->qrtr_tx_flow, &iter, slot);
- kfree(*slot);
+ kfree(flow);
}
kfree(node);
}
@@ -427,7 +429,7 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
unsigned int ver;
size_t hdrlen;
- if (len & 3)
+ if (len == 0 || len & 3)
return -EINVAL;
skb = netdev_alloc_skb(NULL, len);
@@ -441,6 +443,8 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
switch (ver) {
case QRTR_PROTO_VER_1:
+ if (len < sizeof(*v1))
+ goto err;
v1 = data;
hdrlen = sizeof(*v1);
@@ -454,6 +458,8 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
size = le32_to_cpu(v1->size);
break;
case QRTR_PROTO_VER_2:
+ if (len < sizeof(*v2))
+ goto err;
v2 = data;
hdrlen = sizeof(*v2) + v2->optlen;
diff --git a/net/rds/connection.c b/net/rds/connection.c
index ed7f2133acc2..f2fcab182095 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -905,6 +905,17 @@ void rds_conn_path_connect_if_down(struct rds_conn_path *cp)
}
EXPORT_SYMBOL_GPL(rds_conn_path_connect_if_down);
+/* Check connectivity of all paths
+ */
+void rds_check_all_paths(struct rds_connection *conn)
+{
+ int i = 0;
+
+ do {
+ rds_conn_path_connect_if_down(&conn->c_path[i]);
+ } while (++i < conn->c_npaths);
+}
+
void rds_conn_connect_if_down(struct rds_connection *conn)
{
WARN_ON(conn->c_trans->t_mp_capable);
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 6019b0c004a9..106e862996b9 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -778,6 +778,7 @@ void rds_conn_drop(struct rds_connection *conn);
void rds_conn_path_drop(struct rds_conn_path *cpath, bool destroy);
void rds_conn_connect_if_down(struct rds_connection *conn);
void rds_conn_path_connect_if_down(struct rds_conn_path *cp);
+void rds_check_all_paths(struct rds_connection *conn);
void rds_for_each_conn_info(struct socket *sock, unsigned int len,
struct rds_info_iterator *iter,
struct rds_info_lengths *lens,
@@ -823,6 +824,12 @@ rds_conn_path_up(struct rds_conn_path *cp)
}
static inline int
+rds_conn_path_down(struct rds_conn_path *cp)
+{
+ return atomic_read(&cp->cp_state) == RDS_CONN_DOWN;
+}
+
+static inline int
rds_conn_up(struct rds_connection *conn)
{
WARN_ON(conn->c_trans->t_mp_capable);
diff --git a/net/rds/send.c b/net/rds/send.c
index 68e2bdb08fd0..9a529a01cdc6 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -1340,7 +1340,8 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len)
goto out;
}
- rds_conn_path_connect_if_down(cpath);
+ if (rds_conn_path_down(cpath))
+ rds_check_all_paths(conn);
ret = rds_cong_wait(conn->c_fcong, dport, nonblock, rs);
if (ret) {
diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c
index 43a243081e7d..f901421b0634 100644
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -43,17 +43,20 @@ static int tcf_connmark_act(struct sk_buff *skb, const struct tc_action *a,
tcf_lastuse_update(&ca->tcf_tm);
bstats_update(&ca->tcf_bstats, skb);
- if (skb->protocol == htons(ETH_P_IP)) {
+ switch (skb_protocol(skb, true)) {
+ case htons(ETH_P_IP):
if (skb->len < sizeof(struct iphdr))
goto out;
proto = NFPROTO_IPV4;
- } else if (skb->protocol == htons(ETH_P_IPV6)) {
+ break;
+ case htons(ETH_P_IPV6):
if (skb->len < sizeof(struct ipv6hdr))
goto out;
proto = NFPROTO_IPV6;
- } else {
+ break;
+ default:
goto out;
}
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index cb8608f0a77a..c60674cf25c4 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -587,7 +587,7 @@ static int tcf_csum_act(struct sk_buff *skb, const struct tc_action *a,
goto drop;
update_flags = params->update_flags;
- protocol = tc_skb_protocol(skb);
+ protocol = skb_protocol(skb, false);
again:
switch (protocol) {
case cpu_to_be16(ETH_P_IP):
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index e9f3576cbf71..67504aece9ae 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -624,7 +624,7 @@ static u8 tcf_ct_skb_nf_family(struct sk_buff *skb)
{
u8 family = NFPROTO_UNSPEC;
- switch (skb->protocol) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
family = NFPROTO_IPV4;
break;
@@ -748,6 +748,7 @@ static int ct_nat_execute(struct sk_buff *skb, struct nf_conn *ct,
const struct nf_nat_range2 *range,
enum nf_nat_manip_type maniptype)
{
+ __be16 proto = skb_protocol(skb, true);
int hooknum, err = NF_ACCEPT;
/* See HOOK2MANIP(). */
@@ -759,14 +760,13 @@ static int ct_nat_execute(struct sk_buff *skb, struct nf_conn *ct,
switch (ctinfo) {
case IP_CT_RELATED:
case IP_CT_RELATED_REPLY:
- if (skb->protocol == htons(ETH_P_IP) &&
+ if (proto == htons(ETH_P_IP) &&
ip_hdr(skb)->protocol == IPPROTO_ICMP) {
if (!nf_nat_icmp_reply_translation(skb, ct, ctinfo,
hooknum))
err = NF_DROP;
goto out;
- } else if (IS_ENABLED(CONFIG_IPV6) &&
- skb->protocol == htons(ETH_P_IPV6)) {
+ } else if (IS_ENABLED(CONFIG_IPV6) && proto == htons(ETH_P_IPV6)) {
__be16 frag_off;
u8 nexthdr = ipv6_hdr(skb)->nexthdr;
int hdrlen = ipv6_skip_exthdr(skb,
@@ -925,6 +925,8 @@ static int tcf_ct_act(struct sk_buff *skb, const struct tc_action *a,
force = p->ct_action & TCA_CT_ACT_FORCE;
tmpl = p->tmpl;
+ tcf_lastuse_update(&c->tcf_tm);
+
if (clear) {
ct = nf_ct_get(skb, &ctinfo);
if (ct) {
@@ -1550,4 +1552,3 @@ MODULE_AUTHOR("Yossi Kuperman <yossiku@mellanox.com>");
MODULE_AUTHOR("Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>");
MODULE_DESCRIPTION("Connection tracking action");
MODULE_LICENSE("GPL v2");
-
diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c
index 19649623493b..b5042f3ea079 100644
--- a/net/sched/act_ctinfo.c
+++ b/net/sched/act_ctinfo.c
@@ -96,19 +96,22 @@ static int tcf_ctinfo_act(struct sk_buff *skb, const struct tc_action *a,
action = READ_ONCE(ca->tcf_action);
wlen = skb_network_offset(skb);
- if (tc_skb_protocol(skb) == htons(ETH_P_IP)) {
+ switch (skb_protocol(skb, true)) {
+ case htons(ETH_P_IP):
wlen += sizeof(struct iphdr);
if (!pskb_may_pull(skb, wlen))
goto out;
proto = NFPROTO_IPV4;
- } else if (tc_skb_protocol(skb) == htons(ETH_P_IPV6)) {
+ break;
+ case htons(ETH_P_IPV6):
wlen += sizeof(struct ipv6hdr);
if (!pskb_may_pull(skb, wlen))
goto out;
proto = NFPROTO_IPV6;
- } else {
+ break;
+ default:
goto out;
}
diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c
index be3f215cd027..8118e2640979 100644
--- a/net/sched/act_mpls.c
+++ b/net/sched/act_mpls.c
@@ -82,7 +82,7 @@ static int tcf_mpls_act(struct sk_buff *skb, const struct tc_action *a,
goto drop;
break;
case TCA_MPLS_ACT_PUSH:
- new_lse = tcf_mpls_get_lse(NULL, p, !eth_p_mpls(skb->protocol));
+ new_lse = tcf_mpls_get_lse(NULL, p, !eth_p_mpls(skb_protocol(skb, true)));
if (skb_mpls_push(skb, new_lse, p->tcfm_proto, mac_len,
skb->dev && skb->dev->type == ARPHRD_ETHER))
goto drop;
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index b125b2be4467..b2b3faa57294 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -41,7 +41,7 @@ static int tcf_skbedit_act(struct sk_buff *skb, const struct tc_action *a,
if (params->flags & SKBEDIT_F_INHERITDSFIELD) {
int wlen = skb_network_offset(skb);
- switch (tc_skb_protocol(skb)) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
wlen += sizeof(struct iphdr);
if (!pskb_may_pull(skb, wlen))
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index faa78b7dd962..e62beec0d844 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1538,7 +1538,7 @@ static inline int __tcf_classify(struct sk_buff *skb,
reclassify:
#endif
for (; tp; tp = rcu_dereference_bh(tp->next)) {
- __be16 protocol = tc_skb_protocol(skb);
+ __be16 protocol = skb_protocol(skb, false);
int err;
if (tp->protocol != protocol &&
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 80ae7b9fa90a..ab53a93b2f2b 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -80,7 +80,7 @@ static u32 flow_get_dst(const struct sk_buff *skb, const struct flow_keys *flow)
if (dst)
return ntohl(dst);
- return addr_fold(skb_dst(skb)) ^ (__force u16) tc_skb_protocol(skb);
+ return addr_fold(skb_dst(skb)) ^ (__force u16)skb_protocol(skb, true);
}
static u32 flow_get_proto(const struct sk_buff *skb,
@@ -104,7 +104,7 @@ static u32 flow_get_proto_dst(const struct sk_buff *skb,
if (flow->ports.ports)
return ntohs(flow->ports.dst);
- return addr_fold(skb_dst(skb)) ^ (__force u16) tc_skb_protocol(skb);
+ return addr_fold(skb_dst(skb)) ^ (__force u16)skb_protocol(skb, true);
}
static u32 flow_get_iif(const struct sk_buff *skb)
@@ -151,7 +151,7 @@ static u32 flow_get_nfct(const struct sk_buff *skb)
static u32 flow_get_nfct_src(const struct sk_buff *skb,
const struct flow_keys *flow)
{
- switch (tc_skb_protocol(skb)) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
return ntohl(CTTUPLE(skb, src.u3.ip));
case htons(ETH_P_IPV6):
@@ -164,7 +164,7 @@ fallback:
static u32 flow_get_nfct_dst(const struct sk_buff *skb,
const struct flow_keys *flow)
{
- switch (tc_skb_protocol(skb)) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
return ntohl(CTTUPLE(skb, dst.u3.ip));
case htons(ETH_P_IPV6):
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index b2da37286082..e30bd969fc48 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -313,7 +313,7 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
/* skb_flow_dissect() does not set n_proto in case an unknown
* protocol, so do it rather here.
*/
- skb_key.basic.n_proto = skb->protocol;
+ skb_key.basic.n_proto = skb_protocol(skb, false);
skb_flow_dissect_tunnel_info(skb, &mask->dissector, &skb_key);
skb_flow_dissect_ct(skb, &mask->dissector, &skb_key,
fl_ct_info_to_flower_map,
diff --git a/net/sched/em_ipset.c b/net/sched/em_ipset.c
index df00566d327d..c95cf86fb431 100644
--- a/net/sched/em_ipset.c
+++ b/net/sched/em_ipset.c
@@ -59,7 +59,7 @@ static int em_ipset_match(struct sk_buff *skb, struct tcf_ematch *em,
};
int ret, network_offset;
- switch (tc_skb_protocol(skb)) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
state.pf = NFPROTO_IPV4;
if (!pskb_network_may_pull(skb, sizeof(struct iphdr)))
diff --git a/net/sched/em_ipt.c b/net/sched/em_ipt.c
index 18755d29fd15..3650117da47f 100644
--- a/net/sched/em_ipt.c
+++ b/net/sched/em_ipt.c
@@ -212,7 +212,7 @@ static int em_ipt_match(struct sk_buff *skb, struct tcf_ematch *em,
struct nf_hook_state state;
int ret;
- switch (tc_skb_protocol(skb)) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
if (!pskb_network_may_pull(skb, sizeof(struct iphdr)))
return 0;
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index d99966a55c84..46254968d390 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -195,7 +195,7 @@ META_COLLECTOR(int_priority)
META_COLLECTOR(int_protocol)
{
/* Let userspace take care of the byte ordering */
- dst->value = tc_skb_protocol(skb);
+ dst->value = skb_protocol(skb, false);
}
META_COLLECTOR(int_pkttype)
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index ee12ca9f55b4..1c281cc81f57 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -553,16 +553,16 @@ static int atm_tc_init(struct Qdisc *sch, struct nlattr *opt,
if (!p->link.q)
p->link.q = &noop_qdisc;
pr_debug("atm_tc_init: link (%p) qdisc %p\n", &p->link, p->link.q);
+ p->link.vcc = NULL;
+ p->link.sock = NULL;
+ p->link.common.classid = sch->handle;
+ p->link.ref = 1;
err = tcf_block_get(&p->link.block, &p->link.filter_list, sch,
extack);
if (err)
return err;
- p->link.vcc = NULL;
- p->link.sock = NULL;
- p->link.common.classid = sch->handle;
- p->link.ref = 1;
tasklet_init(&p->task, sch_atm_dequeue, (unsigned long)sch);
return 0;
}
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index ca813697728e..ebaeec1e5c82 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -592,7 +592,7 @@ static bool cake_update_flowkeys(struct flow_keys *keys,
bool rev = !skb->_nfct, upd = false;
__be32 ip;
- if (tc_skb_protocol(skb) != htons(ETH_P_IP))
+ if (skb_protocol(skb, true) != htons(ETH_P_IP))
return false;
if (!nf_ct_get_tuple_skb(&tuple, skb))
@@ -1557,7 +1557,7 @@ static u8 cake_handle_diffserv(struct sk_buff *skb, bool wash)
u16 *buf, buf_;
u8 dscp;
- switch (tc_skb_protocol(skb)) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
buf = skb_header_pointer(skb, offset, sizeof(buf_), &buf_);
if (unlikely(!buf))
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 05605b30bef3..2b88710994d7 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -210,7 +210,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch,
if (p->set_tc_index) {
int wlen = skb_network_offset(skb);
- switch (tc_skb_protocol(skb)) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
wlen += sizeof(struct iphdr);
if (!pskb_may_pull(skb, wlen) ||
@@ -303,7 +303,7 @@ static struct sk_buff *dsmark_dequeue(struct Qdisc *sch)
index = skb->tc_index & (p->indices - 1);
pr_debug("index %d->%d\n", skb->tc_index, index);
- switch (tc_skb_protocol(skb)) {
+ switch (skb_protocol(skb, true)) {
case htons(ETH_P_IP):
ipv4_change_dsfield(ip_hdr(skb), p->mv[index].mask,
p->mv[index].value);
@@ -320,7 +320,7 @@ static struct sk_buff *dsmark_dequeue(struct Qdisc *sch)
*/
if (p->mv[index].mask != 0xff || p->mv[index].value)
pr_warn("%s: unsupported protocol %d\n",
- __func__, ntohs(tc_skb_protocol(skb)));
+ __func__, ntohs(skb_protocol(skb, true)));
break;
}
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 689ef6f3ded8..2f1f0a378408 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -239,7 +239,7 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res,
char haddr[MAX_ADDR_LEN];
neigh_ha_snapshot(haddr, n, dev);
- err = dev_hard_header(skb, dev, ntohs(tc_skb_protocol(skb)),
+ err = dev_hard_header(skb, dev, ntohs(skb_protocol(skb, false)),
haddr, NULL, skb->len);
if (err < 0)
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index d5627df24215..779f4142a11d 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -27,6 +27,7 @@
#define SMCR_CLC_ACCEPT_CONFIRM_LEN 68
#define SMCD_CLC_ACCEPT_CONFIRM_LEN 48
+#define SMC_CLC_RECV_BUF_LEN 100
/* eye catcher "SMCR" EBCDIC for CLC messages */
static const char SMC_EYECATCHER[4] = {'\xe2', '\xd4', '\xc3', '\xd9'};
@@ -36,7 +37,7 @@ static const char SMCD_EYECATCHER[4] = {'\xe2', '\xd4', '\xc3', '\xc4'};
/* check if received message has a correct header length and contains valid
* heading and trailing eyecatchers
*/
-static bool smc_clc_msg_hdr_valid(struct smc_clc_msg_hdr *clcm)
+static bool smc_clc_msg_hdr_valid(struct smc_clc_msg_hdr *clcm, bool check_trl)
{
struct smc_clc_msg_proposal_prefix *pclc_prfx;
struct smc_clc_msg_accept_confirm *clc;
@@ -49,12 +50,9 @@ static bool smc_clc_msg_hdr_valid(struct smc_clc_msg_hdr *clcm)
return false;
switch (clcm->type) {
case SMC_CLC_PROPOSAL:
- if (clcm->path != SMC_TYPE_R && clcm->path != SMC_TYPE_D &&
- clcm->path != SMC_TYPE_B)
- return false;
pclc = (struct smc_clc_msg_proposal *)clcm;
pclc_prfx = smc_clc_proposal_get_prefix(pclc);
- if (ntohs(pclc->hdr.length) !=
+ if (ntohs(pclc->hdr.length) <
sizeof(*pclc) + ntohs(pclc->iparea_offset) +
sizeof(*pclc_prfx) +
pclc_prfx->ipv6_prefixes_cnt *
@@ -86,7 +84,8 @@ static bool smc_clc_msg_hdr_valid(struct smc_clc_msg_hdr *clcm)
default:
return false;
}
- if (memcmp(trl->eyecatcher, SMC_EYECATCHER, sizeof(SMC_EYECATCHER)) &&
+ if (check_trl &&
+ memcmp(trl->eyecatcher, SMC_EYECATCHER, sizeof(SMC_EYECATCHER)) &&
memcmp(trl->eyecatcher, SMCD_EYECATCHER, sizeof(SMCD_EYECATCHER)))
return false;
return true;
@@ -276,7 +275,8 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
struct msghdr msg = {NULL, 0};
int reason_code = 0;
struct kvec vec = {buf, buflen};
- int len, datlen;
+ int len, datlen, recvlen;
+ bool check_trl = true;
int krflags;
/* peek the first few bytes to determine length of data to receive
@@ -320,10 +320,7 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
}
datlen = ntohs(clcm->length);
if ((len < sizeof(struct smc_clc_msg_hdr)) ||
- (datlen > buflen) ||
- (clcm->version != SMC_CLC_V1) ||
- (clcm->path != SMC_TYPE_R && clcm->path != SMC_TYPE_D &&
- clcm->path != SMC_TYPE_B) ||
+ (clcm->version < SMC_CLC_V1) ||
((clcm->type != SMC_CLC_DECLINE) &&
(clcm->type != expected_type))) {
smc->sk.sk_err = EPROTO;
@@ -331,16 +328,38 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
goto out;
}
+ if (clcm->type == SMC_CLC_PROPOSAL && clcm->path == SMC_TYPE_N)
+ reason_code = SMC_CLC_DECL_VERSMISMAT; /* just V2 offered */
+
/* receive the complete CLC message */
memset(&msg, 0, sizeof(struct msghdr));
- iov_iter_kvec(&msg.msg_iter, READ, &vec, 1, datlen);
+ if (datlen > buflen) {
+ check_trl = false;
+ recvlen = buflen;
+ } else {
+ recvlen = datlen;
+ }
+ iov_iter_kvec(&msg.msg_iter, READ, &vec, 1, recvlen);
krflags = MSG_WAITALL;
len = sock_recvmsg(smc->clcsock, &msg, krflags);
- if (len < datlen || !smc_clc_msg_hdr_valid(clcm)) {
+ if (len < recvlen || !smc_clc_msg_hdr_valid(clcm, check_trl)) {
smc->sk.sk_err = EPROTO;
reason_code = -EPROTO;
goto out;
}
+ datlen -= len;
+ while (datlen) {
+ u8 tmp[SMC_CLC_RECV_BUF_LEN];
+
+ vec.iov_base = &tmp;
+ vec.iov_len = SMC_CLC_RECV_BUF_LEN;
+ /* receive remaining proposal message */
+ recvlen = datlen > SMC_CLC_RECV_BUF_LEN ?
+ SMC_CLC_RECV_BUF_LEN : datlen;
+ iov_iter_kvec(&msg.msg_iter, READ, &vec, 1, recvlen);
+ len = sock_recvmsg(smc->clcsock, &msg, krflags);
+ datlen -= len;
+ }
if (clcm->type == SMC_CLC_DECLINE) {
struct smc_clc_msg_decline *dclc;
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h
index 465876701b75..76c2b150d040 100644
--- a/net/smc/smc_clc.h
+++ b/net/smc/smc_clc.h
@@ -25,6 +25,7 @@
#define SMC_CLC_V1 0x1 /* SMC version */
#define SMC_TYPE_R 0 /* SMC-R only */
#define SMC_TYPE_D 1 /* SMC-D only */
+#define SMC_TYPE_N 2 /* neither SMC-R nor SMC-D */
#define SMC_TYPE_B 3 /* SMC-R and SMC-D */
#define CLC_WAIT_TIME (6 * HZ) /* max. wait time on clcsock */
#define CLC_WAIT_TIME_SHORT HZ /* short wait time on clcsock */
@@ -46,6 +47,7 @@
#define SMC_CLC_DECL_ISMVLANERR 0x03090000 /* err to reg vlan id on ism dev */
#define SMC_CLC_DECL_NOACTLINK 0x030a0000 /* no active smc-r link in lgr */
#define SMC_CLC_DECL_NOSRVLINK 0x030b0000 /* SMC-R link from srv not found */
+#define SMC_CLC_DECL_VERSMISMAT 0x030c0000 /* SMC version mismatch */
#define SMC_CLC_DECL_SYNCERR 0x04000000 /* synchronization error */
#define SMC_CLC_DECL_PEERDECL 0x05000000 /* peer declined during handshake */
#define SMC_CLC_DECL_INTERR 0x09990000 /* internal error */
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 7964a21e5e6f..f69d205b3e11 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -15,6 +15,7 @@
#include <linux/workqueue.h>
#include <linux/wait.h>
#include <linux/reboot.h>
+#include <linux/mutex.h>
#include <net/tcp.h>
#include <net/sock.h>
#include <rdma/ib_verbs.h>
@@ -247,7 +248,8 @@ static void smcr_lgr_link_deactivate_all(struct smc_link_group *lgr)
if (smc_link_usable(lnk))
lnk->state = SMC_LNK_INACTIVE;
}
- wake_up_interruptible_all(&lgr->llc_waiter);
+ wake_up_all(&lgr->llc_msg_waiter);
+ wake_up_all(&lgr->llc_flow_waiter);
}
static void smc_lgr_free(struct smc_link_group *lgr);
@@ -1130,18 +1132,19 @@ static void smcr_link_up(struct smc_link_group *lgr,
return;
if (lgr->llc_flow_lcl.type != SMC_LLC_FLOW_NONE) {
/* some other llc task is ongoing */
- wait_event_interruptible_timeout(lgr->llc_waiter,
- (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE),
+ wait_event_timeout(lgr->llc_flow_waiter,
+ (list_empty(&lgr->list) ||
+ lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE),
SMC_LLC_WAIT_TIME);
}
- if (list_empty(&lgr->list) ||
- !smc_ib_port_active(smcibdev, ibport))
- return; /* lgr or device no longer active */
- link = smc_llc_usable_link(lgr);
- if (!link)
- return;
- smc_llc_send_add_link(link, smcibdev->mac[ibport - 1], gid,
- NULL, SMC_LLC_REQ);
+ /* lgr or device no longer active? */
+ if (!list_empty(&lgr->list) &&
+ smc_ib_port_active(smcibdev, ibport))
+ link = smc_llc_usable_link(lgr);
+ if (link)
+ smc_llc_send_add_link(link, smcibdev->mac[ibport - 1],
+ gid, NULL, SMC_LLC_REQ);
+ wake_up(&lgr->llc_flow_waiter); /* wake up next waiter */
}
}
@@ -1195,13 +1198,17 @@ static void smcr_link_down(struct smc_link *lnk)
if (lgr->llc_flow_lcl.type != SMC_LLC_FLOW_NONE) {
/* another llc task is ongoing */
mutex_unlock(&lgr->llc_conf_mutex);
- wait_event_interruptible_timeout(lgr->llc_waiter,
- (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE),
+ wait_event_timeout(lgr->llc_flow_waiter,
+ (list_empty(&lgr->list) ||
+ lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE),
SMC_LLC_WAIT_TIME);
mutex_lock(&lgr->llc_conf_mutex);
}
- smc_llc_send_delete_link(to_lnk, del_link_id, SMC_LLC_REQ, true,
- SMC_LLC_DEL_LOST_PATH);
+ if (!list_empty(&lgr->list))
+ smc_llc_send_delete_link(to_lnk, del_link_id,
+ SMC_LLC_REQ, true,
+ SMC_LLC_DEL_LOST_PATH);
+ wake_up(&lgr->llc_flow_waiter); /* wake up next waiter */
}
}
@@ -1262,7 +1269,7 @@ static void smc_link_down_work(struct work_struct *work)
if (list_empty(&lgr->list))
return;
- wake_up_interruptible_all(&lgr->llc_waiter);
+ wake_up_all(&lgr->llc_msg_waiter);
mutex_lock(&lgr->llc_conf_mutex);
smcr_link_down(link);
mutex_unlock(&lgr->llc_conf_mutex);
@@ -1955,20 +1962,20 @@ static void smc_core_going_away(void)
struct smc_ib_device *smcibdev;
struct smcd_dev *smcd;
- spin_lock(&smc_ib_devices.lock);
+ mutex_lock(&smc_ib_devices.mutex);
list_for_each_entry(smcibdev, &smc_ib_devices.list, list) {
int i;
for (i = 0; i < SMC_MAX_PORTS; i++)
set_bit(i, smcibdev->ports_going_away);
}
- spin_unlock(&smc_ib_devices.lock);
+ mutex_unlock(&smc_ib_devices.mutex);
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_for_each_entry(smcd, &smcd_dev_list.list, list) {
smcd->going_away = 1;
}
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
}
/* Clean up all SMC link groups */
@@ -1980,10 +1987,10 @@ static void smc_lgrs_shutdown(void)
smc_smcr_terminate_all(NULL);
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_for_each_entry(smcd, &smcd_dev_list.list, list)
smc_smcd_terminate_all(smcd);
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
}
static int smc_core_reboot_event(struct notifier_block *this,
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h
index 86d160f0d187..c3ff512fd891 100644
--- a/net/smc/smc_core.h
+++ b/net/smc/smc_core.h
@@ -262,8 +262,10 @@ struct smc_link_group {
struct work_struct llc_del_link_work;
struct work_struct llc_event_work;
/* llc event worker */
- wait_queue_head_t llc_waiter;
+ wait_queue_head_t llc_flow_waiter;
/* w4 next llc event */
+ wait_queue_head_t llc_msg_waiter;
+ /* w4 next llc msg */
struct smc_llc_flow llc_flow_lcl;
/* llc local control field */
struct smc_llc_flow llc_flow_rmt;
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c
index 562a52d01ad1..7637fdebbb78 100644
--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -16,6 +16,7 @@
#include <linux/workqueue.h>
#include <linux/scatterlist.h>
#include <linux/wait.h>
+#include <linux/mutex.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_cache.h>
@@ -33,7 +34,7 @@
#define SMC_QP_RNR_RETRY 7 /* 7: infinite */
struct smc_ib_devices smc_ib_devices = { /* smc-registered ib devices */
- .lock = __SPIN_LOCK_UNLOCKED(smc_ib_devices.lock),
+ .mutex = __MUTEX_INITIALIZER(smc_ib_devices.mutex),
.list = LIST_HEAD_INIT(smc_ib_devices.list),
};
@@ -565,9 +566,9 @@ static int smc_ib_add_dev(struct ib_device *ibdev)
INIT_WORK(&smcibdev->port_event_work, smc_ib_port_event_work);
atomic_set(&smcibdev->lnk_cnt, 0);
init_waitqueue_head(&smcibdev->lnks_deleted);
- spin_lock(&smc_ib_devices.lock);
+ mutex_lock(&smc_ib_devices.mutex);
list_add_tail(&smcibdev->list, &smc_ib_devices.list);
- spin_unlock(&smc_ib_devices.lock);
+ mutex_unlock(&smc_ib_devices.mutex);
ib_set_client_data(ibdev, &smc_ib_client, smcibdev);
INIT_IB_EVENT_HANDLER(&smcibdev->event_handler, smcibdev->ibdev,
smc_ib_global_event_handler);
@@ -602,9 +603,9 @@ static void smc_ib_remove_dev(struct ib_device *ibdev, void *client_data)
{
struct smc_ib_device *smcibdev = client_data;
- spin_lock(&smc_ib_devices.lock);
+ mutex_lock(&smc_ib_devices.mutex);
list_del_init(&smcibdev->list); /* remove from smc_ib_devices */
- spin_unlock(&smc_ib_devices.lock);
+ mutex_unlock(&smc_ib_devices.mutex);
pr_warn_ratelimited("smc: removing ib device %s\n",
smcibdev->ibdev->name);
smc_smcr_terminate_all(smcibdev);
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h
index e6a696ae15f3..ae6776e1e726 100644
--- a/net/smc/smc_ib.h
+++ b/net/smc/smc_ib.h
@@ -14,6 +14,7 @@
#include <linux/interrupt.h>
#include <linux/if_ether.h>
+#include <linux/mutex.h>
#include <linux/wait.h>
#include <rdma/ib_verbs.h>
#include <net/smc.h>
@@ -25,7 +26,7 @@
struct smc_ib_devices { /* list of smc ib devices definition */
struct list_head list;
- spinlock_t lock; /* protects list of smc ib devices */
+ struct mutex mutex; /* protects list of smc ib devices */
};
extern struct smc_ib_devices smc_ib_devices; /* list of smc ib devices */
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index 91f85fc09fb8..998c525de785 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -7,6 +7,7 @@
*/
#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/slab.h>
#include <asm/page.h>
@@ -17,7 +18,7 @@
struct smcd_dev_list smcd_dev_list = {
.list = LIST_HEAD_INIT(smcd_dev_list.list),
- .lock = __SPIN_LOCK_UNLOCKED(smcd_dev_list.lock)
+ .mutex = __MUTEX_INITIALIZER(smcd_dev_list.mutex)
};
/* Test if an ISM communication is possible. */
@@ -317,9 +318,9 @@ EXPORT_SYMBOL_GPL(smcd_alloc_dev);
int smcd_register_dev(struct smcd_dev *smcd)
{
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_add_tail(&smcd->list, &smcd_dev_list.list);
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
pr_warn_ratelimited("smc: adding smcd device %s with pnetid %.16s%s\n",
dev_name(&smcd->dev), smcd->pnetid,
@@ -333,9 +334,9 @@ void smcd_unregister_dev(struct smcd_dev *smcd)
{
pr_warn_ratelimited("smc: removing smcd device %s\n",
dev_name(&smcd->dev));
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_del_init(&smcd->list);
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
smcd->going_away = 1;
smc_smcd_terminate_all(smcd);
flush_workqueue(smcd->event_wq);
diff --git a/net/smc/smc_ism.h b/net/smc/smc_ism.h
index 4da946cbfa29..81cc4537efd3 100644
--- a/net/smc/smc_ism.h
+++ b/net/smc/smc_ism.h
@@ -10,12 +10,13 @@
#define SMCD_ISM_H
#include <linux/uio.h>
+#include <linux/mutex.h>
#include "smc.h"
struct smcd_dev_list { /* List of SMCD devices */
struct list_head list;
- spinlock_t lock; /* Protects list of devices */
+ struct mutex mutex; /* Protects list of devices */
};
extern struct smcd_dev_list smcd_dev_list; /* list of smcd devices */
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index 391237b601fe..c1a038689c63 100644
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -186,6 +186,26 @@ static inline void smc_llc_flow_qentry_set(struct smc_llc_flow *flow,
flow->qentry = qentry;
}
+static void smc_llc_flow_parallel(struct smc_link_group *lgr, u8 flow_type,
+ struct smc_llc_qentry *qentry)
+{
+ u8 msg_type = qentry->msg.raw.hdr.common.type;
+
+ if ((msg_type == SMC_LLC_ADD_LINK || msg_type == SMC_LLC_DELETE_LINK) &&
+ flow_type != msg_type && !lgr->delayed_event) {
+ lgr->delayed_event = qentry;
+ return;
+ }
+ /* drop parallel or already-in-progress llc requests */
+ if (flow_type != msg_type)
+ pr_warn_once("smc: SMC-R lg %*phN dropped parallel "
+ "LLC msg: msg %d flow %d role %d\n",
+ SMC_LGR_ID_SIZE, &lgr->id,
+ qentry->msg.raw.hdr.common.type,
+ flow_type, lgr->role);
+ kfree(qentry);
+}
+
/* try to start a new llc flow, initiated by an incoming llc msg */
static bool smc_llc_flow_start(struct smc_llc_flow *flow,
struct smc_llc_qentry *qentry)
@@ -195,14 +215,7 @@ static bool smc_llc_flow_start(struct smc_llc_flow *flow,
spin_lock_bh(&lgr->llc_flow_lock);
if (flow->type) {
/* a flow is already active */
- if ((qentry->msg.raw.hdr.common.type == SMC_LLC_ADD_LINK ||
- qentry->msg.raw.hdr.common.type == SMC_LLC_DELETE_LINK) &&
- !lgr->delayed_event) {
- lgr->delayed_event = qentry;
- } else {
- /* forget this llc request */
- kfree(qentry);
- }
+ smc_llc_flow_parallel(lgr, flow->type, qentry);
spin_unlock_bh(&lgr->llc_flow_lock);
return false;
}
@@ -222,8 +235,8 @@ static bool smc_llc_flow_start(struct smc_llc_flow *flow,
}
if (qentry == lgr->delayed_event)
lgr->delayed_event = NULL;
- spin_unlock_bh(&lgr->llc_flow_lock);
smc_llc_flow_qentry_set(flow, qentry);
+ spin_unlock_bh(&lgr->llc_flow_lock);
return true;
}
@@ -251,11 +264,11 @@ again:
return 0;
}
spin_unlock_bh(&lgr->llc_flow_lock);
- rc = wait_event_interruptible_timeout(lgr->llc_waiter,
- (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE &&
- (lgr->llc_flow_rmt.type == SMC_LLC_FLOW_NONE ||
- lgr->llc_flow_rmt.type == allowed_remote)),
- SMC_LLC_WAIT_TIME);
+ rc = wait_event_timeout(lgr->llc_flow_waiter, (list_empty(&lgr->list) ||
+ (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE &&
+ (lgr->llc_flow_rmt.type == SMC_LLC_FLOW_NONE ||
+ lgr->llc_flow_rmt.type == allowed_remote))),
+ SMC_LLC_WAIT_TIME * 10);
if (!rc)
return -ETIMEDOUT;
goto again;
@@ -272,7 +285,7 @@ void smc_llc_flow_stop(struct smc_link_group *lgr, struct smc_llc_flow *flow)
flow == &lgr->llc_flow_lcl)
schedule_work(&lgr->llc_event_work);
else
- wake_up_interruptible(&lgr->llc_waiter);
+ wake_up(&lgr->llc_flow_waiter);
}
/* lnk is optional and used for early wakeup when link goes down, useful in
@@ -283,26 +296,32 @@ struct smc_llc_qentry *smc_llc_wait(struct smc_link_group *lgr,
int time_out, u8 exp_msg)
{
struct smc_llc_flow *flow = &lgr->llc_flow_lcl;
+ u8 rcv_msg;
- wait_event_interruptible_timeout(lgr->llc_waiter,
- (flow->qentry ||
- (lnk && !smc_link_usable(lnk)) ||
- list_empty(&lgr->list)),
- time_out);
+ wait_event_timeout(lgr->llc_msg_waiter,
+ (flow->qentry ||
+ (lnk && !smc_link_usable(lnk)) ||
+ list_empty(&lgr->list)),
+ time_out);
if (!flow->qentry ||
(lnk && !smc_link_usable(lnk)) || list_empty(&lgr->list)) {
smc_llc_flow_qentry_del(flow);
goto out;
}
- if (exp_msg && flow->qentry->msg.raw.hdr.common.type != exp_msg) {
+ rcv_msg = flow->qentry->msg.raw.hdr.common.type;
+ if (exp_msg && rcv_msg != exp_msg) {
if (exp_msg == SMC_LLC_ADD_LINK &&
- flow->qentry->msg.raw.hdr.common.type ==
- SMC_LLC_DELETE_LINK) {
+ rcv_msg == SMC_LLC_DELETE_LINK) {
/* flow_start will delay the unexpected msg */
smc_llc_flow_start(&lgr->llc_flow_lcl,
smc_llc_flow_qentry_clr(flow));
return NULL;
}
+ pr_warn_once("smc: SMC-R lg %*phN dropped unexpected LLC msg: "
+ "msg %d exp %d flow %d role %d flags %x\n",
+ SMC_LGR_ID_SIZE, &lgr->id, rcv_msg, exp_msg,
+ flow->type, lgr->role,
+ flow->qentry->msg.raw.hdr.flags);
smc_llc_flow_qentry_del(flow);
}
out:
@@ -1222,8 +1241,8 @@ static void smc_llc_process_cli_delete_link(struct smc_link_group *lgr)
smc_llc_send_message(lnk, &qentry->msg); /* response */
if (smc_link_downing(&lnk_del->state)) {
- smc_switch_conns(lgr, lnk_del, false);
- smc_wr_tx_wait_no_pending_sends(lnk_del);
+ if (smc_switch_conns(lgr, lnk_del, false))
+ smc_wr_tx_wait_no_pending_sends(lnk_del);
}
smcr_link_clear(lnk_del, true);
@@ -1297,8 +1316,8 @@ static void smc_llc_process_srv_delete_link(struct smc_link_group *lgr)
goto out; /* asymmetric link already deleted */
if (smc_link_downing(&lnk_del->state)) {
- smc_switch_conns(lgr, lnk_del, false);
- smc_wr_tx_wait_no_pending_sends(lnk_del);
+ if (smc_switch_conns(lgr, lnk_del, false))
+ smc_wr_tx_wait_no_pending_sends(lnk_del);
}
if (!list_empty(&lgr->list)) {
/* qentry is either a request from peer (send it back to
@@ -1459,7 +1478,7 @@ static void smc_llc_event_handler(struct smc_llc_qentry *qentry)
/* a flow is waiting for this message */
smc_llc_flow_qentry_set(&lgr->llc_flow_lcl,
qentry);
- wake_up_interruptible(&lgr->llc_waiter);
+ wake_up(&lgr->llc_msg_waiter);
} else if (smc_llc_flow_start(&lgr->llc_flow_lcl,
qentry)) {
schedule_work(&lgr->llc_add_link_work);
@@ -1474,7 +1493,7 @@ static void smc_llc_event_handler(struct smc_llc_qentry *qentry)
if (lgr->llc_flow_lcl.type != SMC_LLC_FLOW_NONE) {
/* a flow is waiting for this message */
smc_llc_flow_qentry_set(&lgr->llc_flow_lcl, qentry);
- wake_up_interruptible(&lgr->llc_waiter);
+ wake_up(&lgr->llc_msg_waiter);
return;
}
break;
@@ -1485,7 +1504,7 @@ static void smc_llc_event_handler(struct smc_llc_qentry *qentry)
/* DEL LINK REQ during ADD LINK SEQ */
smc_llc_flow_qentry_set(&lgr->llc_flow_lcl,
qentry);
- wake_up_interruptible(&lgr->llc_waiter);
+ wake_up(&lgr->llc_msg_waiter);
} else if (smc_llc_flow_start(&lgr->llc_flow_lcl,
qentry)) {
schedule_work(&lgr->llc_del_link_work);
@@ -1496,7 +1515,7 @@ static void smc_llc_event_handler(struct smc_llc_qentry *qentry)
/* DEL LINK REQ during ADD LINK SEQ */
smc_llc_flow_qentry_set(&lgr->llc_flow_lcl,
qentry);
- wake_up_interruptible(&lgr->llc_waiter);
+ wake_up(&lgr->llc_msg_waiter);
} else if (smc_llc_flow_start(&lgr->llc_flow_lcl,
qentry)) {
schedule_work(&lgr->llc_del_link_work);
@@ -1581,7 +1600,7 @@ static void smc_llc_rx_response(struct smc_link *link,
case SMC_LLC_DELETE_RKEY:
/* assign responses to the local flow, we requested them */
smc_llc_flow_qentry_set(&link->lgr->llc_flow_lcl, qentry);
- wake_up_interruptible(&link->lgr->llc_waiter);
+ wake_up(&link->lgr->llc_msg_waiter);
return;
case SMC_LLC_CONFIRM_RKEY_CONT:
/* not used because max links is 3 */
@@ -1616,7 +1635,7 @@ static void smc_llc_enqueue(struct smc_link *link, union smc_llc_msg *llc)
spin_lock_irqsave(&lgr->llc_event_q_lock, flags);
list_add_tail(&qentry->list, &lgr->llc_event_q);
spin_unlock_irqrestore(&lgr->llc_event_q_lock, flags);
- schedule_work(&link->lgr->llc_event_work);
+ schedule_work(&lgr->llc_event_work);
}
/* copy received msg and add it to the event queue */
@@ -1677,7 +1696,8 @@ void smc_llc_lgr_init(struct smc_link_group *lgr, struct smc_sock *smc)
INIT_LIST_HEAD(&lgr->llc_event_q);
spin_lock_init(&lgr->llc_event_q_lock);
spin_lock_init(&lgr->llc_flow_lock);
- init_waitqueue_head(&lgr->llc_waiter);
+ init_waitqueue_head(&lgr->llc_flow_waiter);
+ init_waitqueue_head(&lgr->llc_msg_waiter);
mutex_init(&lgr->llc_conf_mutex);
lgr->llc_testlink_time = net->ipv4.sysctl_tcp_keepalive_time;
}
@@ -1686,7 +1706,8 @@ void smc_llc_lgr_init(struct smc_link_group *lgr, struct smc_sock *smc)
void smc_llc_lgr_clear(struct smc_link_group *lgr)
{
smc_llc_event_flush(lgr);
- wake_up_interruptible_all(&lgr->llc_waiter);
+ wake_up_all(&lgr->llc_flow_waiter);
+ wake_up_all(&lgr->llc_msg_waiter);
cancel_work_sync(&lgr->llc_event_work);
cancel_work_sync(&lgr->llc_add_link_work);
cancel_work_sync(&lgr->llc_del_link_work);
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 014d91b9778e..30e5fac7034e 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/list.h>
#include <linux/ctype.h>
+#include <linux/mutex.h>
#include <net/netlink.h>
#include <net/genetlink.h>
@@ -129,7 +130,7 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
return rc;
/* remove ib devices */
- spin_lock(&smc_ib_devices.lock);
+ mutex_lock(&smc_ib_devices.mutex);
list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
for (ibport = 0; ibport < SMC_MAX_PORTS; ibport++) {
if (ibdev->pnetid_by_user[ibport] &&
@@ -149,9 +150,9 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
}
}
}
- spin_unlock(&smc_ib_devices.lock);
+ mutex_unlock(&smc_ib_devices.mutex);
/* remove smcd devices */
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_for_each_entry(smcd_dev, &smcd_dev_list.list, list) {
if (smcd_dev->pnetid_by_user &&
(!pnet_name ||
@@ -165,7 +166,7 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
rc = 0;
}
}
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
return rc;
}
@@ -240,14 +241,14 @@ static bool smc_pnet_apply_ib(struct smc_ib_device *ib_dev, u8 ib_port,
u8 pnet_null[SMC_MAX_PNETID_LEN] = {0};
bool applied = false;
- spin_lock(&smc_ib_devices.lock);
+ mutex_lock(&smc_ib_devices.mutex);
if (smc_pnet_match(ib_dev->pnetid[ib_port - 1], pnet_null)) {
memcpy(ib_dev->pnetid[ib_port - 1], pnet_name,
SMC_MAX_PNETID_LEN);
ib_dev->pnetid_by_user[ib_port - 1] = true;
applied = true;
}
- spin_unlock(&smc_ib_devices.lock);
+ mutex_unlock(&smc_ib_devices.mutex);
return applied;
}
@@ -258,13 +259,13 @@ static bool smc_pnet_apply_smcd(struct smcd_dev *smcd_dev, char *pnet_name)
u8 pnet_null[SMC_MAX_PNETID_LEN] = {0};
bool applied = false;
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
if (smc_pnet_match(smcd_dev->pnetid, pnet_null)) {
memcpy(smcd_dev->pnetid, pnet_name, SMC_MAX_PNETID_LEN);
smcd_dev->pnetid_by_user = true;
applied = true;
}
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
return applied;
}
@@ -300,7 +301,7 @@ static struct smc_ib_device *smc_pnet_find_ib(char *ib_name)
{
struct smc_ib_device *ibdev;
- spin_lock(&smc_ib_devices.lock);
+ mutex_lock(&smc_ib_devices.mutex);
list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
if (!strncmp(ibdev->ibdev->name, ib_name,
sizeof(ibdev->ibdev->name)) ||
@@ -311,7 +312,7 @@ static struct smc_ib_device *smc_pnet_find_ib(char *ib_name)
}
ibdev = NULL;
out:
- spin_unlock(&smc_ib_devices.lock);
+ mutex_unlock(&smc_ib_devices.mutex);
return ibdev;
}
@@ -320,7 +321,7 @@ static struct smcd_dev *smc_pnet_find_smcd(char *smcd_name)
{
struct smcd_dev *smcd_dev;
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_for_each_entry(smcd_dev, &smcd_dev_list.list, list) {
if (!strncmp(dev_name(&smcd_dev->dev), smcd_name,
IB_DEVICE_NAME_MAX - 1))
@@ -328,7 +329,7 @@ static struct smcd_dev *smc_pnet_find_smcd(char *smcd_name)
}
smcd_dev = NULL;
out:
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
return smcd_dev;
}
@@ -825,7 +826,7 @@ static void _smc_pnet_find_roce_by_pnetid(u8 *pnet_id,
int i;
ini->ib_dev = NULL;
- spin_lock(&smc_ib_devices.lock);
+ mutex_lock(&smc_ib_devices.mutex);
list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
if (ibdev == known_dev)
continue;
@@ -844,7 +845,7 @@ static void _smc_pnet_find_roce_by_pnetid(u8 *pnet_id,
}
}
out:
- spin_unlock(&smc_ib_devices.lock);
+ mutex_unlock(&smc_ib_devices.mutex);
}
/* find alternate roce device with same pnet_id and vlan_id */
@@ -863,7 +864,7 @@ static void smc_pnet_find_rdma_dev(struct net_device *netdev,
{
struct smc_ib_device *ibdev;
- spin_lock(&smc_ib_devices.lock);
+ mutex_lock(&smc_ib_devices.mutex);
list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
struct net_device *ndev;
int i;
@@ -888,7 +889,7 @@ static void smc_pnet_find_rdma_dev(struct net_device *netdev,
}
}
}
- spin_unlock(&smc_ib_devices.lock);
+ mutex_unlock(&smc_ib_devices.mutex);
}
/* Determine the corresponding IB device port based on the hardware PNETID.
@@ -924,7 +925,7 @@ static void smc_pnet_find_ism_by_pnetid(struct net_device *ndev,
smc_pnet_find_ndev_pnetid_by_table(ndev, ndev_pnetid))
return; /* pnetid could not be determined */
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_for_each_entry(ismdev, &smcd_dev_list.list, list) {
if (smc_pnet_match(ismdev->pnetid, ndev_pnetid) &&
!ismdev->going_away) {
@@ -932,7 +933,7 @@ static void smc_pnet_find_ism_by_pnetid(struct net_device *ndev,
break;
}
}
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
}
/* PNET table analysis for a given sock:
diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c
index 7239ba9b99dc..1e23cdd41eb1 100644
--- a/net/smc/smc_wr.c
+++ b/net/smc/smc_wr.c
@@ -169,6 +169,8 @@ void smc_wr_tx_cq_handler(struct ib_cq *ib_cq, void *cq_context)
static inline int smc_wr_tx_get_free_slot_index(struct smc_link *link, u32 *idx)
{
*idx = link->wr_tx_cnt;
+ if (!smc_link_usable(link))
+ return -ENOLINK;
for_each_clear_bit(*idx, link->wr_tx_mask, link->wr_tx_cnt) {
if (!test_and_set_bit(*idx, link->wr_tx_mask))
return 0;
@@ -560,15 +562,15 @@ void smc_wr_free_link(struct smc_link *lnk)
{
struct ib_device *ibdev;
+ if (!lnk->smcibdev)
+ return;
+ ibdev = lnk->smcibdev->ibdev;
+
if (smc_wr_tx_wait_no_pending_sends(lnk))
memset(lnk->wr_tx_mask, 0,
BITS_TO_LONGS(SMC_WR_BUF_CNT) *
sizeof(*lnk->wr_tx_mask));
- if (!lnk->smcibdev)
- return;
- ibdev = lnk->smcibdev->ibdev;
-
if (lnk->wr_rx_dma_addr) {
ib_dma_unmap_single(ibdev, lnk->wr_rx_dma_addr,
SMC_WR_BUF_SIZE * lnk->wr_rx_cnt,
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 5c4ec9386f81..c537272f9c7e 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -44,6 +44,7 @@
#include <net/tcp.h>
#include <net/tcp_states.h>
#include <linux/uaccess.h>
+#include <linux/highmem.h>
#include <asm/ioctls.h>
#include <linux/sunrpc/types.h>
diff --git a/net/tipc/link.c b/net/tipc/link.c
index ee3b8d0576b8..263d950e70e9 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -921,6 +921,21 @@ static void link_prepare_wakeup(struct tipc_link *l)
}
+/**
+ * tipc_link_set_skb_retransmit_time - set the time at which retransmission of
+ * the given skb should be next attempted
+ * @skb: skb to set a future retransmission time for
+ * @l: link the skb will be transmitted on
+ */
+static void tipc_link_set_skb_retransmit_time(struct sk_buff *skb,
+ struct tipc_link *l)
+{
+ if (link_is_bc_sndlink(l))
+ TIPC_SKB_CB(skb)->nxt_retr = TIPC_BC_RETR_LIM;
+ else
+ TIPC_SKB_CB(skb)->nxt_retr = TIPC_UC_RETR_TIME;
+}
+
void tipc_link_reset(struct tipc_link *l)
{
struct sk_buff_head list;
@@ -1036,9 +1051,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
return -ENOBUFS;
}
__skb_queue_tail(transmq, skb);
- /* next retransmit attempt */
- if (link_is_bc_sndlink(l))
- TIPC_SKB_CB(skb)->nxt_retr = TIPC_BC_RETR_LIM;
+ tipc_link_set_skb_retransmit_time(skb, l);
__skb_queue_tail(xmitq, _skb);
TIPC_SKB_CB(skb)->ackers = l->ackers;
l->rcv_unacked = 0;
@@ -1139,9 +1152,7 @@ static void tipc_link_advance_backlog(struct tipc_link *l,
if (unlikely(skb == l->backlog[imp].target_bskb))
l->backlog[imp].target_bskb = NULL;
__skb_queue_tail(&l->transmq, skb);
- /* next retransmit attempt */
- if (link_is_bc_sndlink(l))
- TIPC_SKB_CB(skb)->nxt_retr = TIPC_BC_RETR_LIM;
+ tipc_link_set_skb_retransmit_time(skb, l);
__skb_queue_tail(xmitq, _skb);
TIPC_SKB_CB(skb)->ackers = l->ackers;
@@ -1584,8 +1595,7 @@ release:
/* retransmit skb if unrestricted*/
if (time_before(jiffies, TIPC_SKB_CB(skb)->nxt_retr))
continue;
- TIPC_SKB_CB(skb)->nxt_retr = (is_uc) ?
- TIPC_UC_RETR_TIME : TIPC_BC_RETR_LIM;
+ tipc_link_set_skb_retransmit_time(skb, l);
_skb = pskb_copy(skb, GFP_ATOMIC);
if (!_skb)
continue;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 263ae395ad44..0e07fb8585fb 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5016,7 +5016,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
err = nl80211_parse_he_obss_pd(
info->attrs[NL80211_ATTR_HE_OBSS_PD],
&params.he_obss_pd);
- goto out;
+ if (err)
+ goto out;
}
if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
@@ -5024,7 +5025,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_HE_BSS_COLOR],
&params.he_bss_color);
if (err)
- return err;
+ goto out;
}
nl80211_calculate_ap_params(&params);
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index 540ed75e4482..08b80669f649 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -2,9 +2,6 @@
#include <net/xsk_buff_pool.h>
#include <net/xdp_sock.h>
-#include <linux/dma-direct.h>
-#include <linux/dma-noncoherent.h>
-#include <linux/swiotlb.h>
#include "xsk_queue.h"
@@ -55,7 +52,6 @@ struct xsk_buff_pool *xp_create(struct page **pages, u32 nr_pages, u32 chunks,
pool->free_heads_cnt = chunks;
pool->headroom = headroom;
pool->chunk_size = chunk_size;
- pool->cheap_dma = true;
pool->unaligned = unaligned;
pool->frame_len = chunk_size - headroom - XDP_PACKET_HEADROOM;
INIT_LIST_HEAD(&pool->free_list);
@@ -125,48 +121,6 @@ static void xp_check_dma_contiguity(struct xsk_buff_pool *pool)
}
}
-static bool __maybe_unused xp_check_swiotlb_dma(struct xsk_buff_pool *pool)
-{
-#if defined(CONFIG_SWIOTLB)
- phys_addr_t paddr;
- u32 i;
-
- for (i = 0; i < pool->dma_pages_cnt; i++) {
- paddr = dma_to_phys(pool->dev, pool->dma_pages[i]);
- if (is_swiotlb_buffer(paddr))
- return false;
- }
-#endif
- return true;
-}
-
-static bool xp_check_cheap_dma(struct xsk_buff_pool *pool)
-{
-#if defined(CONFIG_HAS_DMA)
- const struct dma_map_ops *ops = get_dma_ops(pool->dev);
-
- if (ops) {
- return !ops->sync_single_for_cpu &&
- !ops->sync_single_for_device;
- }
-
- if (!dma_is_direct(ops))
- return false;
-
- if (!xp_check_swiotlb_dma(pool))
- return false;
-
- if (!dev_is_dma_coherent(pool->dev)) {
-#if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU) || \
- defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL) || \
- defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE)
- return false;
-#endif
- }
-#endif
- return true;
-}
-
int xp_dma_map(struct xsk_buff_pool *pool, struct device *dev,
unsigned long attrs, struct page **pages, u32 nr_pages)
{
@@ -180,6 +134,7 @@ int xp_dma_map(struct xsk_buff_pool *pool, struct device *dev,
pool->dev = dev;
pool->dma_pages_cnt = nr_pages;
+ pool->dma_need_sync = false;
for (i = 0; i < pool->dma_pages_cnt; i++) {
dma = dma_map_page_attrs(dev, pages[i], 0, PAGE_SIZE,
@@ -188,14 +143,13 @@ int xp_dma_map(struct xsk_buff_pool *pool, struct device *dev,
xp_dma_unmap(pool, attrs);
return -ENOMEM;
}
+ if (dma_need_sync(dev, dma))
+ pool->dma_need_sync = true;
pool->dma_pages[i] = dma;
}
if (pool->unaligned)
xp_check_dma_contiguity(pool);
-
- pool->dev = dev;
- pool->cheap_dma = xp_check_cheap_dma(pool);
return 0;
}
EXPORT_SYMBOL(xp_dma_map);
@@ -280,7 +234,7 @@ struct xdp_buff *xp_alloc(struct xsk_buff_pool *pool)
xskb->xdp.data = xskb->xdp.data_hard_start + XDP_PACKET_HEADROOM;
xskb->xdp.data_meta = xskb->xdp.data;
- if (!pool->cheap_dma) {
+ if (pool->dma_need_sync) {
dma_sync_single_range_for_device(pool->dev, xskb->dma, 0,
pool->frame_len,
DMA_BIDIRECTIONAL);
diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index c407ecbc5d46..b615729812e5 100644
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -37,6 +37,7 @@
#include <net/ip.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
+#include <net/ip_tunnels.h>
#include <net/addrconf.h>
#include <net/xfrm.h>
#include <net/net_namespace.h>
@@ -581,6 +582,7 @@ static const struct net_device_ops xfrmi_netdev_ops = {
static void xfrmi_dev_setup(struct net_device *dev)
{
dev->netdev_ops = &xfrmi_netdev_ops;
+ dev->header_ops = &ip_tunnel_header_ops;
dev->type = ARPHRD_NONE;
dev->mtu = ETH_DATA_LEN;
dev->min_mtu = ETH_MIN_MTU;
diff --git a/samples/vfs/test-statx.c b/samples/vfs/test-statx.c
index 76c577ea4fd8..49c7a46cee07 100644
--- a/samples/vfs/test-statx.c
+++ b/samples/vfs/test-statx.c
@@ -23,6 +23,8 @@
#include <linux/fcntl.h>
#define statx foo
#define statx_timestamp foo_timestamp
+struct statx;
+struct statx_timestamp;
#include <sys/stat.h>
#undef statx
#undef statx_timestamp
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 4aea7cf71d11..62c275685b75 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -35,6 +35,7 @@ KBUILD_CFLAGS += $(call cc-option, -Wstringop-truncation)
# The following turn off the warnings enabled by -Wextra
KBUILD_CFLAGS += -Wno-missing-field-initializers
KBUILD_CFLAGS += -Wno-sign-compare
+KBUILD_CFLAGS += -Wno-type-limits
KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN1
@@ -66,6 +67,7 @@ KBUILD_CFLAGS += -Wshadow
KBUILD_CFLAGS += $(call cc-option, -Wlogical-op)
KBUILD_CFLAGS += -Wmissing-field-initializers
KBUILD_CFLAGS += -Wsign-compare
+KBUILD_CFLAGS += -Wtype-limits
KBUILD_CFLAGS += $(call cc-option, -Wmaybe-uninitialized)
KBUILD_CFLAGS += $(call cc-option, -Wunused-macros)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 99ac59c59826..916b2f7f7098 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -212,6 +212,9 @@ $(foreach m, $(notdir $1), \
$(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
endef
+quiet_cmd_copy = COPY $@
+ cmd_copy = cp $< $@
+
# Shipped files
# ===========================================================================
@@ -259,6 +262,7 @@ quiet_cmd_gzip = GZIP $@
# DTC
# ---------------------------------------------------------------------------
DTC ?= $(objtree)/scripts/dtc/dtc
+DTC_FLAGS += -Wno-interrupt_provider
# Disable noisy checks by default
ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),)
@@ -274,7 +278,8 @@ endif
ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),)
DTC_FLAGS += -Wnode_name_chars_strict \
- -Wproperty_name_chars_strict
+ -Wproperty_name_chars_strict \
+ -Winterrupt_provider
endif
DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index 4b3c486f1399..b7955dbd71ca 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -1022,6 +1022,9 @@ static void check_i2c_bus_bridge(struct check *c, struct dt_info *dti, struct no
}
WARNING(i2c_bus_bridge, check_i2c_bus_bridge, NULL, &addr_size_cells);
+#define I2C_OWN_SLAVE_ADDRESS (1U << 30)
+#define I2C_TEN_BIT_ADDRESS (1U << 31)
+
static void check_i2c_bus_reg(struct check *c, struct dt_info *dti, struct node *node)
{
struct property *prop;
@@ -1044,6 +1047,8 @@ static void check_i2c_bus_reg(struct check *c, struct dt_info *dti, struct node
}
reg = fdt32_to_cpu(*cells);
+ /* Ignore I2C_OWN_SLAVE_ADDRESS */
+ reg &= ~I2C_OWN_SLAVE_ADDRESS;
snprintf(unit_addr, sizeof(unit_addr), "%x", reg);
if (!streq(unitname, unit_addr))
FAIL(c, dti, node, "I2C bus unit address format error, expected \"%s\"",
@@ -1051,10 +1056,15 @@ static void check_i2c_bus_reg(struct check *c, struct dt_info *dti, struct node
for (len = prop->val.len; len > 0; len -= 4) {
reg = fdt32_to_cpu(*(cells++));
- if (reg > 0x3ff)
+ /* Ignore I2C_OWN_SLAVE_ADDRESS */
+ reg &= ~I2C_OWN_SLAVE_ADDRESS;
+
+ if ((reg & I2C_TEN_BIT_ADDRESS) && ((reg & ~I2C_TEN_BIT_ADDRESS) > 0x3ff))
FAIL_PROP(c, dti, node, prop, "I2C address must be less than 10-bits, got \"0x%x\"",
reg);
-
+ else if (reg > 0x7f)
+ FAIL_PROP(c, dti, node, prop, "I2C address must be less than 7-bits, got \"0x%x\". Set I2C_TEN_BIT_ADDRESS for 10 bit addresses or fix the property",
+ reg);
}
}
WARNING(i2c_bus_reg, check_i2c_bus_reg, NULL, &reg_format, &i2c_bus_bridge);
@@ -1547,6 +1557,28 @@ static bool node_is_interrupt_provider(struct node *node)
return false;
}
+
+static void check_interrupt_provider(struct check *c,
+ struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ if (!node_is_interrupt_provider(node))
+ return;
+
+ prop = get_property(node, "#interrupt-cells");
+ if (!prop)
+ FAIL(c, dti, node,
+ "Missing #interrupt-cells in interrupt provider");
+
+ prop = get_property(node, "#address-cells");
+ if (!prop)
+ FAIL(c, dti, node,
+ "Missing #address-cells in interrupt provider");
+}
+WARNING(interrupt_provider, check_interrupt_provider, NULL);
+
static void check_interrupts_property(struct check *c,
struct dt_info *dti,
struct node *node)
@@ -1604,7 +1636,7 @@ static void check_interrupts_property(struct check *c,
prop = get_property(irq_node, "#interrupt-cells");
if (!prop) {
- FAIL(c, dti, irq_node, "Missing #interrupt-cells in interrupt-parent");
+ /* We warn about that already in another test. */
return;
}
@@ -1828,6 +1860,7 @@ static struct check *check_table[] = {
&deprecated_gpio_property,
&gpios_property,
&interrupts_property,
+ &interrupt_provider,
&alias_paths,
diff --git a/scripts/dtc/dtc.h b/scripts/dtc/dtc.h
index 6e74ecea55a3..a08f4159cd03 100644
--- a/scripts/dtc/dtc.h
+++ b/scripts/dtc/dtc.h
@@ -51,6 +51,37 @@ extern int annotate; /* annotate .dts with input source location */
typedef uint32_t cell_t;
+static inline uint16_t dtb_ld16(const void *p)
+{
+ const uint8_t *bp = (const uint8_t *)p;
+
+ return ((uint16_t)bp[0] << 8)
+ | bp[1];
+}
+
+static inline uint32_t dtb_ld32(const void *p)
+{
+ const uint8_t *bp = (const uint8_t *)p;
+
+ return ((uint32_t)bp[0] << 24)
+ | ((uint32_t)bp[1] << 16)
+ | ((uint32_t)bp[2] << 8)
+ | bp[3];
+}
+
+static inline uint64_t dtb_ld64(const void *p)
+{
+ const uint8_t *bp = (const uint8_t *)p;
+
+ return ((uint64_t)bp[0] << 56)
+ | ((uint64_t)bp[1] << 48)
+ | ((uint64_t)bp[2] << 40)
+ | ((uint64_t)bp[3] << 32)
+ | ((uint64_t)bp[4] << 24)
+ | ((uint64_t)bp[5] << 16)
+ | ((uint64_t)bp[6] << 8)
+ | bp[7];
+}
#define streq(a, b) (strcmp((a), (b)) == 0)
#define strstarts(s, prefix) (strncmp((s), (prefix), strlen(prefix)) == 0)
diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c
index bd6977eedcb8..07f10d2b5d79 100644
--- a/scripts/dtc/flattree.c
+++ b/scripts/dtc/flattree.c
@@ -156,7 +156,7 @@ static void asm_emit_data(void *e, struct data d)
emit_offset_label(f, m->ref, m->offset);
while ((d.len - off) >= sizeof(uint32_t)) {
- asm_emit_cell(e, fdt32_to_cpu(*((fdt32_t *)(d.val+off))));
+ asm_emit_cell(e, dtb_ld32(d.val + off));
off += sizeof(uint32_t);
}
diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c
index 524b520c8486..93e4a2b56348 100644
--- a/scripts/dtc/libfdt/fdt_rw.c
+++ b/scripts/dtc/libfdt/fdt_rw.c
@@ -436,7 +436,7 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize)
return struct_size;
}
- if (can_assume(LIBFDT_ORDER) |
+ if (can_assume(LIBFDT_ORDER) ||
!fdt_blocks_misordered_(fdt, mem_rsv_size, struct_size)) {
/* no further work necessary */
err = fdt_move(fdt, buf, bufsize);
diff --git a/scripts/dtc/libfdt/fdt_sw.c b/scripts/dtc/libfdt/fdt_sw.c
index 26759d5dfb8c..94ce4bb91a00 100644
--- a/scripts/dtc/libfdt/fdt_sw.c
+++ b/scripts/dtc/libfdt/fdt_sw.c
@@ -32,7 +32,7 @@ static int fdt_sw_probe_(void *fdt)
/* 'memrsv' state: Initial state after fdt_create()
*
* Allowed functions:
- * fdt_add_reservmap_entry()
+ * fdt_add_reservemap_entry()
* fdt_finish_reservemap() [moves to 'struct' state]
*/
static int fdt_sw_probe_memrsv_(void *fdt)
diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h
index 36fadcdea516..fe49b5d78938 100644
--- a/scripts/dtc/libfdt/libfdt.h
+++ b/scripts/dtc/libfdt/libfdt.h
@@ -9,6 +9,10 @@
#include "libfdt_env.h"
#include "fdt.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#define FDT_FIRST_SUPPORTED_VERSION 0x02
#define FDT_LAST_SUPPORTED_VERSION 0x11
@@ -2069,4 +2073,8 @@ int fdt_overlay_apply(void *fdt, void *fdto);
const char *fdt_strerror(int errval);
+#ifdef __cplusplus
+}
+#endif
+
#endif /* LIBFDT_H */
diff --git a/scripts/dtc/treesource.c b/scripts/dtc/treesource.c
index c9d980c8abfc..061ba8c9c5e8 100644
--- a/scripts/dtc/treesource.c
+++ b/scripts/dtc/treesource.c
@@ -110,13 +110,13 @@ static void write_propval_int(FILE *f, const char *p, size_t len, size_t width)
fprintf(f, "%02"PRIx8, *(const uint8_t*)p);
break;
case 2:
- fprintf(f, "0x%02"PRIx16, fdt16_to_cpu(*(const fdt16_t*)p));
+ fprintf(f, "0x%02"PRIx16, dtb_ld16(p));
break;
case 4:
- fprintf(f, "0x%02"PRIx32, fdt32_to_cpu(*(const fdt32_t*)p));
+ fprintf(f, "0x%02"PRIx32, dtb_ld32(p));
break;
case 8:
- fprintf(f, "0x%02"PRIx64, fdt64_to_cpu(*(const fdt64_t*)p));
+ fprintf(f, "0x%02"PRIx64, dtb_ld64(p));
break;
}
if (p + width < end)
@@ -183,7 +183,7 @@ static enum markertype guess_value_type(struct property *prop)
nnotcelllbl++;
}
- if ((p[len-1] == '\0') && (nnotstring == 0) && (nnul < (len-nnul))
+ if ((p[len-1] == '\0') && (nnotstring == 0) && (nnul <= (len-nnul))
&& (nnotstringlbl == 0)) {
return TYPE_STRING;
} else if (((len % sizeof(cell_t)) == 0) && (nnotcelllbl == 0)) {
diff --git a/scripts/dtc/version_gen.h b/scripts/dtc/version_gen.h
index 61dd7112d6e4..0714799446f8 100644
--- a/scripts/dtc/version_gen.h
+++ b/scripts/dtc/version_gen.h
@@ -1 +1 @@
-#define DTC_VERSION "DTC 1.6.0-g87a656ae"
+#define DTC_VERSION "DTC 1.6.0-g9d7888cb"
diff --git a/scripts/dtc/yamltree.c b/scripts/dtc/yamltree.c
index 5b6ea8ea862f..4e93c12dc658 100644
--- a/scripts/dtc/yamltree.c
+++ b/scripts/dtc/yamltree.c
@@ -59,10 +59,10 @@ static void yaml_propval_int(yaml_emitter_t *emitter, struct marker *markers, ch
sprintf(buf, "0x%"PRIx8, *(uint8_t*)(data + off));
break;
case 2:
- sprintf(buf, "0x%"PRIx16, fdt16_to_cpu(*(fdt16_t*)(data + off)));
+ sprintf(buf, "0x%"PRIx16, dtb_ld16(data + off));
break;
case 4:
- sprintf(buf, "0x%"PRIx32, fdt32_to_cpu(*(fdt32_t*)(data + off)));
+ sprintf(buf, "0x%"PRIx32, dtb_ld32(data + off));
m = markers;
is_phandle = false;
for_each_marker_of_type(m, REF_PHANDLE) {
@@ -73,7 +73,7 @@ static void yaml_propval_int(yaml_emitter_t *emitter, struct marker *markers, ch
}
break;
case 8:
- sprintf(buf, "0x%"PRIx64, fdt64_to_cpu(*(fdt64_t*)(data + off)));
+ sprintf(buf, "0x%"PRIx64, dtb_ld64(data + off));
break;
}
diff --git a/scripts/gcc-plugins/Kconfig b/scripts/gcc-plugins/Kconfig
index ce0b99fb5847..ae19fb0243b9 100644
--- a/scripts/gcc-plugins/Kconfig
+++ b/scripts/gcc-plugins/Kconfig
@@ -78,7 +78,7 @@ config GCC_PLUGIN_RANDSTRUCT
source tree isn't cleaned after kernel installation).
The seed used for compilation is located at
- scripts/gcc-plgins/randomize_layout_seed.h. It remains after
+ scripts/gcc-plugins/randomize_layout_seed.h. It remains after
a make clean to allow for external modules to be compiled with
the existing seed and will be removed by a make mrproper or
make distclean.
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index c0ac8f7b5f1a..4a616128a154 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -4,27 +4,19 @@
* Copyright (C) 2015 Boris Barbulovski <bbarbulovski@gmail.com>
*/
-#include <qglobal.h>
-
-#include <QMainWindow>
-#include <QList>
-#include <qtextbrowser.h>
#include <QAction>
+#include <QApplication>
+#include <QCloseEvent>
+#include <QDebug>
+#include <QDesktopWidget>
#include <QFileDialog>
+#include <QLabel>
+#include <QLayout>
+#include <QList>
#include <QMenu>
-
-#include <qapplication.h>
-#include <qdesktopwidget.h>
-#include <qtoolbar.h>
-#include <qlayout.h>
-#include <qsplitter.h>
-#include <qlineedit.h>
-#include <qlabel.h>
-#include <qpushbutton.h>
-#include <qmenubar.h>
-#include <qmessagebox.h>
-#include <qregexp.h>
-#include <qevent.h>
+#include <QMenuBar>
+#include <QMessageBox>
+#include <QToolBar>
#include <stdlib.h>
@@ -445,9 +437,10 @@ void ConfigList::updateList(ConfigItem* item)
if (rootEntry != &rootmenu && (mode == singleMode ||
(mode == symbolMode && rootEntry->parent != &rootmenu))) {
item = (ConfigItem *)topLevelItem(0);
- if (!item)
+ if (!item && mode != symbolMode) {
item = new ConfigItem(this, 0, true);
- last = item;
+ last = item;
+ }
}
if ((mode == singleMode || (mode == symbolMode && !(rootEntry->flags & MENU_ROOT))) &&
rootEntry->sym && rootEntry->prompt) {
@@ -545,7 +538,7 @@ void ConfigList::setRootMenu(struct menu *menu)
rootEntry = menu;
updateListAll();
if (currentItem()) {
- currentItem()->setSelected(hasFocus());
+ setSelected(currentItem(), hasFocus());
scrollToItem(currentItem());
}
}
@@ -873,7 +866,7 @@ void ConfigList::focusInEvent(QFocusEvent *e)
ConfigItem* item = (ConfigItem *)currentItem();
if (item) {
- item->setSelected(true);
+ setSelected(item, true);
menu = item->menu;
}
emit gotFocus(menu);
@@ -1021,7 +1014,7 @@ ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
: Parent(parent), sym(0), _menu(0)
{
setObjectName(name);
-
+ setOpenLinks(false);
if (!objectName().isEmpty()) {
configSettings->beginGroup(objectName());
@@ -1094,7 +1087,7 @@ void ConfigInfoView::menuInfo(void)
if (sym->name) {
head += " (";
if (showDebug())
- head += QString().sprintf("<a href=\"s%p\">", sym);
+ head += QString().sprintf("<a href=\"s%s\">", sym->name);
head += print_filter(sym->name);
if (showDebug())
head += "</a>";
@@ -1103,7 +1096,7 @@ void ConfigInfoView::menuInfo(void)
} else if (sym->name) {
head += "<big><b>";
if (showDebug())
- head += QString().sprintf("<a href=\"s%p\">", sym);
+ head += QString().sprintf("<a href=\"s%s\">", sym->name);
head += print_filter(sym->name);
if (showDebug())
head += "</a>";
@@ -1154,13 +1147,16 @@ QString ConfigInfoView::debug_info(struct symbol *sym)
switch (prop->type) {
case P_PROMPT:
case P_MENU:
- debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu);
+ debug += QString().sprintf("prompt: <a href=\"m%s\">", sym->name);
debug += print_filter(prop->text);
debug += "</a><br>";
break;
case P_DEFAULT:
case P_SELECT:
case P_RANGE:
+ case P_COMMENT:
+ case P_IMPLY:
+ case P_SYMBOL:
debug += prop_get_type_name(prop->type);
debug += ": ";
expr_print(prop->expr, expr_print_help, &debug, E_NONE);
@@ -1226,13 +1222,62 @@ void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char
QString str2 = print_filter(str);
if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
- *text += QString().sprintf("<a href=\"s%p\">", sym);
+ *text += QString().sprintf("<a href=\"s%s\">", sym->name);
*text += str2;
*text += "</a>";
} else
*text += str2;
}
+void ConfigInfoView::clicked(const QUrl &url)
+{
+ QByteArray str = url.toEncoded();
+ const std::size_t count = str.size();
+ char *data = new char[count + 1];
+ struct symbol **result;
+ struct menu *m = NULL;
+
+ if (count < 1) {
+ qInfo() << "Clicked link is empty";
+ delete data;
+ return;
+ }
+
+ memcpy(data, str.constData(), count);
+ data[count] = '\0';
+
+ /* Seek for exact match */
+ data[0] = '^';
+ strcat(data, "$");
+ result = sym_re_search(data);
+ if (!result) {
+ qInfo() << "Clicked symbol is invalid:" << data;
+ delete data;
+ return;
+ }
+
+ sym = *result;
+
+ /* Seek for the menu which holds the symbol */
+ for (struct property *prop = sym->prop; prop; prop = prop->next) {
+ if (prop->type != P_PROMPT && prop->type != P_MENU)
+ continue;
+ m = prop->menu;
+ break;
+ }
+
+ if (!m) {
+ /* Symbol is not visible as a menu */
+ symbolInfo();
+ emit showDebugChanged(true);
+ } else {
+ emit menuSelected(m);
+ }
+
+ free(result);
+ delete data;
+}
+
QMenu* ConfigInfoView::createStandardContextMenu(const QPoint & pos)
{
QMenu* popup = Parent::createStandardContextMenu(pos);
@@ -1402,18 +1447,22 @@ ConfigMainWindow::ConfigMainWindow(void)
addToolBar(toolBar);
backAction = new QAction(QPixmap(xpm_back), "Back", this);
- connect(backAction, SIGNAL(triggered(bool)), SLOT(goBack()));
- backAction->setEnabled(false);
+ connect(backAction, SIGNAL(triggered(bool)), SLOT(goBack()));
+
QAction *quitAction = new QAction("&Quit", this);
quitAction->setShortcut(Qt::CTRL + Qt::Key_Q);
- connect(quitAction, SIGNAL(triggered(bool)), SLOT(close()));
+ connect(quitAction, SIGNAL(triggered(bool)), SLOT(close()));
+
QAction *loadAction = new QAction(QPixmap(xpm_load), "&Load", this);
loadAction->setShortcut(Qt::CTRL + Qt::Key_L);
- connect(loadAction, SIGNAL(triggered(bool)), SLOT(loadConfig()));
+ connect(loadAction, SIGNAL(triggered(bool)), SLOT(loadConfig()));
+
saveAction = new QAction(QPixmap(xpm_save), "&Save", this);
saveAction->setShortcut(Qt::CTRL + Qt::Key_S);
- connect(saveAction, SIGNAL(triggered(bool)), SLOT(saveConfig()));
+ connect(saveAction, SIGNAL(triggered(bool)), SLOT(saveConfig()));
+
conf_set_changed_callback(conf_changed);
+
// Set saveAction's initial state
conf_changed();
configname = xstrdup(conf_get_configname());
@@ -1506,6 +1555,9 @@ ConfigMainWindow::ConfigMainWindow(void)
helpMenu->addAction(showIntroAction);
helpMenu->addAction(showAboutAction);
+ connect (helpText, SIGNAL (anchorClicked (const QUrl &)),
+ helpText, SLOT (clicked (const QUrl &)) );
+
connect(configList, SIGNAL(menuChanged(struct menu *)),
helpText, SLOT(setInfo(struct menu *)));
connect(configList, SIGNAL(menuSelected(struct menu *)),
@@ -1611,21 +1663,11 @@ void ConfigMainWindow::searchConfig(void)
void ConfigMainWindow::changeItens(struct menu *menu)
{
configList->setRootMenu(menu);
-
- if (configList->rootEntry->parent == &rootmenu)
- backAction->setEnabled(false);
- else
- backAction->setEnabled(true);
}
void ConfigMainWindow::changeMenu(struct menu *menu)
{
menuList->setRootMenu(menu);
-
- if (menuList->rootEntry->parent == &rootmenu)
- backAction->setEnabled(false);
- else
- backAction->setEnabled(true);
}
void ConfigMainWindow::setMenuLink(struct menu *menu)
@@ -1645,22 +1687,26 @@ void ConfigMainWindow::setMenuLink(struct menu *menu)
return;
list->setRootMenu(parent);
break;
- case symbolMode:
+ case menuMode:
if (menu->flags & MENU_ROOT) {
- configList->setRootMenu(menu);
+ menuList->setRootMenu(menu);
configList->clearSelection();
- list = menuList;
- } else {
list = configList;
+ } else {
parent = menu_get_parent_menu(menu->parent);
if (!parent)
return;
- item = menuList->findConfigItem(parent);
+
+ /* Select the config view */
+ item = configList->findConfigItem(parent);
if (item) {
- item->setSelected(true);
- menuList->scrollToItem(item);
+ configList->setSelected(item, true);
+ configList->scrollToItem(item);
}
- list->setRootMenu(parent);
+
+ menuList->setRootMenu(parent);
+ menuList->clearSelection();
+ list = menuList;
}
break;
case fullMode:
@@ -1673,9 +1719,10 @@ void ConfigMainWindow::setMenuLink(struct menu *menu)
if (list) {
item = list->findConfigItem(menu);
if (item) {
- item->setSelected(true);
+ list->setSelected(item, true);
list->scrollToItem(item);
list->setFocus();
+ helpText->setInfo(menu);
}
}
}
@@ -1688,25 +1735,11 @@ void ConfigMainWindow::listFocusChanged(void)
void ConfigMainWindow::goBack(void)
{
- ConfigItem* item, *oldSelection;
-
- configList->setParentMenu();
+qInfo() << __FUNCTION__;
if (configList->rootEntry == &rootmenu)
- backAction->setEnabled(false);
-
- if (menuList->selectedItems().count() == 0)
return;
- item = (ConfigItem*)menuList->selectedItems().first();
- oldSelection = item;
- while (item) {
- if (item->menu == configList->rootEntry) {
- oldSelection->setSelected(false);
- item->setSelected(true);
- break;
- }
- item = (ConfigItem*)item->parent();
- }
+ configList->setParentMenu();
}
void ConfigMainWindow::showSingleView(void)
@@ -1718,6 +1751,8 @@ void ConfigMainWindow::showSingleView(void)
fullViewAction->setEnabled(true);
fullViewAction->setChecked(false);
+ backAction->setEnabled(true);
+
menuView->hide();
menuList->setRootMenu(0);
configList->mode = singleMode;
@@ -1737,6 +1772,8 @@ void ConfigMainWindow::showSplitView(void)
fullViewAction->setEnabled(true);
fullViewAction->setChecked(false);
+ backAction->setEnabled(false);
+
configList->mode = menuMode;
if (configList->rootEntry == &rootmenu)
configList->updateListAll();
@@ -1760,6 +1797,8 @@ void ConfigMainWindow::showFullView(void)
fullViewAction->setEnabled(false);
fullViewAction->setChecked(true);
+ backAction->setEnabled(false);
+
menuView->hide();
menuList->setRootMenu(0);
configList->mode = fullMode;
diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h
index c879d79ce817..fb9e9729266f 100644
--- a/scripts/kconfig/qconf.h
+++ b/scripts/kconfig/qconf.h
@@ -3,17 +3,17 @@
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
*/
-#include <QTextBrowser>
-#include <QTreeWidget>
-#include <QMainWindow>
+#include <QCheckBox>
+#include <QDialog>
#include <QHeaderView>
-#include <qsettings.h>
+#include <QLineEdit>
+#include <QMainWindow>
#include <QPushButton>
#include <QSettings>
-#include <QLineEdit>
#include <QSplitter>
-#include <QCheckBox>
-#include <QDialog>
+#include <QTextBrowser>
+#include <QTreeWidget>
+
#include "expr.h"
class ConfigView;
@@ -45,11 +45,17 @@ class ConfigList : public QTreeWidget {
public:
ConfigList(ConfigView* p, const char *name = 0);
void reinit(void);
+ ConfigItem* findConfigItem(struct menu *);
ConfigView* parent(void) const
{
return (ConfigView*)Parent::parent();
}
- ConfigItem* findConfigItem(struct menu *);
+ void setSelected(QTreeWidgetItem *item, bool enable) {
+ for (int i = 0; i < selectedItems().size(); i++)
+ selectedItems().at(i)->setSelected(false);
+
+ item->setSelected(enable);
+ }
protected:
void keyPressEvent(QKeyEvent *e);
@@ -250,6 +256,7 @@ public slots:
void setInfo(struct menu *menu);
void saveSettings(void);
void setShowDebug(bool);
+ void clicked (const QUrl &url);
signals:
void showDebugChanged(bool);
diff --git a/security/integrity/iint.c b/security/integrity/iint.c
index e12c4900510f..1d20003243c3 100644
--- a/security/integrity/iint.c
+++ b/security/integrity/iint.c
@@ -188,19 +188,7 @@ DEFINE_LSM(integrity) = {
int integrity_kernel_read(struct file *file, loff_t offset,
void *addr, unsigned long count)
{
- mm_segment_t old_fs;
- char __user *buf = (char __user *)addr;
- ssize_t ret;
-
- if (!(file->f_mode & FMODE_READ))
- return -EBADF;
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = __vfs_read(file, buf, count, &offset);
- set_fs(old_fs);
-
- return ret;
+ return __kernel_read(file, addr, count, &offset);
}
/*
diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
index df93ac258e01..9d94080bdad8 100644
--- a/security/integrity/ima/ima.h
+++ b/security/integrity/ima/ima.h
@@ -30,7 +30,7 @@
enum ima_show_type { IMA_SHOW_BINARY, IMA_SHOW_BINARY_NO_FIELD_LEN,
IMA_SHOW_BINARY_OLD_STRING_FMT, IMA_SHOW_ASCII };
-enum tpm_pcrs { TPM_PCR0 = 0, TPM_PCR8 = 8 };
+enum tpm_pcrs { TPM_PCR0 = 0, TPM_PCR8 = 8, TPM_PCR10 = 10 };
/* digest size for IMA, fits SHA1 or MD5 */
#define IMA_DIGEST_SIZE SHA1_DIGEST_SIZE
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index 220b14920c37..011c3c76af86 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -823,13 +823,26 @@ static int ima_calc_boot_aggregate_tfm(char *digest, u16 alg_id,
if (rc != 0)
return rc;
- /* cumulative sha1 over tpm registers 0-7 */
+ /* cumulative digest over TPM registers 0-7 */
for (i = TPM_PCR0; i < TPM_PCR8; i++) {
ima_pcrread(i, &d);
/* now accumulate with current aggregate */
rc = crypto_shash_update(shash, d.digest,
crypto_shash_digestsize(tfm));
}
+ /*
+ * Extend cumulative digest over TPM registers 8-9, which contain
+ * measurement for the kernel command line (reg. 8) and image (reg. 9)
+ * in a typical PCR allocation. Registers 8-9 are only included in
+ * non-SHA1 boot_aggregate digests to avoid ambiguity.
+ */
+ if (alg_id != TPM_ALG_SHA1) {
+ for (i = TPM_PCR8; i < TPM_PCR10; i++) {
+ ima_pcrread(i, &d);
+ rc = crypto_shash_update(shash, d.digest,
+ crypto_shash_digestsize(tfm));
+ }
+ }
if (!rc)
crypto_shash_final(shash, digest);
return rc;
diff --git a/security/security.c b/security/security.c
index 0ce3e73edd42..70a7ad357bc6 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1414,7 +1414,22 @@ EXPORT_SYMBOL(security_inode_copy_up);
int security_inode_copy_up_xattr(const char *name)
{
- return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name);
+ struct security_hook_list *hp;
+ int rc;
+
+ /*
+ * The implementation can return 0 (accept the xattr), 1 (discard the
+ * xattr), -EOPNOTSUPP if it does not know anything about the xattr or
+ * any other error code incase of an error.
+ */
+ hlist_for_each_entry(hp,
+ &security_hook_heads.inode_copy_up_xattr, list) {
+ rc = hp->hook.inode_copy_up_xattr(name);
+ if (rc != LSM_RET_DEFAULT(inode_copy_up_xattr))
+ return rc;
+ }
+
+ return LSM_RET_DEFAULT(inode_copy_up_xattr);
}
EXPORT_SYMBOL(security_inode_copy_up_xattr);
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 509290f2efa8..0e53f6f31916 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -764,6 +764,9 @@ static int snd_compr_stop(struct snd_compr_stream *stream)
retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_STOP);
if (!retval) {
+ /* clear flags and stop any drain wait */
+ stream->partial_drain = false;
+ stream->metadata_set = false;
snd_compr_drain_notify(stream);
stream->runtime->total_bytes_available = 0;
stream->runtime->total_bytes_transferred = 0;
@@ -921,6 +924,7 @@ static int snd_compr_partial_drain(struct snd_compr_stream *stream)
if (stream->next_track == false)
return -EPERM;
+ stream->partial_drain = true;
retval = stream->ops->trigger(stream, SND_COMPR_TRIGGER_PARTIAL_DRAIN);
if (retval) {
pr_debug("Partial drain returned failure\n");
diff --git a/sound/drivers/opl3/opl3_synth.c b/sound/drivers/opl3/opl3_synth.c
index e69a4ef0d6bd..08c10ac9d6c8 100644
--- a/sound/drivers/opl3/opl3_synth.c
+++ b/sound/drivers/opl3/opl3_synth.c
@@ -91,6 +91,8 @@ int snd_opl3_ioctl(struct snd_hwdep * hw, struct file *file,
{
struct snd_dm_fm_info info;
+ memset(&info, 0, sizeof(info));
+
info.fm_mode = opl3->fm_mode;
info.rhythm = opl3->rhythm;
if (copy_to_user(argp, &info, sizeof(struct snd_dm_fm_info)))
diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c
index 2c6d2becfe1a..824f4ac1a8ce 100644
--- a/sound/pci/hda/hda_auto_parser.c
+++ b/sound/pci/hda/hda_auto_parser.c
@@ -72,6 +72,12 @@ static int compare_input_type(const void *ap, const void *bp)
if (a->type != b->type)
return (int)(a->type - b->type);
+ /* If has both hs_mic and hp_mic, pick the hs_mic ahead of hp_mic. */
+ if (a->is_headset_mic && b->is_headphone_mic)
+ return -1; /* don't swap */
+ else if (a->is_headphone_mic && b->is_headset_mic)
+ return 1; /* swap */
+
/* In case one has boost and the other one has not,
pick the one with boost first. */
return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index e2b21ef5d7d1..41eaa89660c3 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -259,7 +259,7 @@ static int hinfo_to_pcm_index(struct hda_codec *codec,
if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
return pcm_idx;
- codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
+ codec_warn(codec, "HDMI: hinfo %p not tied to a PCM\n", hinfo);
return -EINVAL;
}
@@ -277,7 +277,8 @@ static int hinfo_to_pin_index(struct hda_codec *codec,
return pin_idx;
}
- codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo);
+ codec_dbg(codec, "HDMI: hinfo %p (pcm %d) not registered\n", hinfo,
+ hinfo_to_pcm_index(codec, hinfo));
return -EINVAL;
}
@@ -1804,33 +1805,43 @@ static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
static int hdmi_parse_codec(struct hda_codec *codec)
{
- hda_nid_t nid;
+ hda_nid_t start_nid;
+ unsigned int caps;
int i, nodes;
- nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
- if (!nid || nodes < 0) {
+ nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &start_nid);
+ if (!start_nid || nodes < 0) {
codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
return -EINVAL;
}
- for (i = 0; i < nodes; i++, nid++) {
- unsigned int caps;
- unsigned int type;
+ /*
+ * hdmi_add_pin() assumes total amount of converters to
+ * be known, so first discover all converters
+ */
+ for (i = 0; i < nodes; i++) {
+ hda_nid_t nid = start_nid + i;
caps = get_wcaps(codec, nid);
- type = get_wcaps_type(caps);
if (!(caps & AC_WCAP_DIGITAL))
continue;
- switch (type) {
- case AC_WID_AUD_OUT:
+ if (get_wcaps_type(caps) == AC_WID_AUD_OUT)
hdmi_add_cvt(codec, nid);
- break;
- case AC_WID_PIN:
+ }
+
+ /* discover audio pins */
+ for (i = 0; i < nodes; i++) {
+ hda_nid_t nid = start_nid + i;
+
+ caps = get_wcaps(codec, nid);
+
+ if (!(caps & AC_WCAP_DIGITAL))
+ continue;
+
+ if (get_wcaps_type(caps) == AC_WID_PIN)
hdmi_add_pin(codec, nid);
- break;
- }
}
return 0;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 737ef82a75fd..194ffa8c66ce 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6149,6 +6149,9 @@ enum {
ALC236_FIXUP_HP_MUTE_LED,
ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET,
ALC295_FIXUP_ASUS_MIC_NO_PRESENCE,
+ ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS,
+ ALC269VC_FIXUP_ACER_HEADSET_MIC,
+ ALC269VC_FIXUP_ACER_MIC_NO_PRESENCE,
};
static const struct hda_fixup alc269_fixups[] = {
@@ -7327,6 +7330,35 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC269_FIXUP_HEADSET_MODE
},
+ [ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x14, 0x90100120 }, /* use as internal speaker */
+ { 0x18, 0x02a111f0 }, /* use as headset mic, without its own jack detect */
+ { 0x1a, 0x01011020 }, /* use as line out */
+ { },
+ },
+ .chained = true,
+ .chain_id = ALC269_FIXUP_HEADSET_MIC
+ },
+ [ALC269VC_FIXUP_ACER_HEADSET_MIC] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x18, 0x02a11030 }, /* use as headset mic */
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC269_FIXUP_HEADSET_MIC
+ },
+ [ALC269VC_FIXUP_ACER_MIC_NO_PRESENCE] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x18, 0x01a11130 }, /* use as headset mic, without its own jack detect */
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC269_FIXUP_HEADSET_MIC
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7342,10 +7374,13 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1025, 0x0775, "Acer Aspire E1-572", ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572),
SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS),
SND_PCI_QUIRK(0x1025, 0x102b, "Acer Aspire C24-860", ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1025, 0x1065, "Acer Aspire C20-820", ALC269VC_FIXUP_ACER_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x106d, "Acer Cloudbook 14", ALC283_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x1025, 0x1099, "Acer Aspire E5-523G", ALC255_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x110e, "Acer Aspire ES1-432", ALC255_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x1246, "Acer Predator Helios 500", ALC299_FIXUP_PREDATOR_SPK),
+ SND_PCI_QUIRK(0x1025, 0x1247, "Acer vCopperbox", ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS),
+ SND_PCI_QUIRK(0x1025, 0x1248, "Acer Veriton N4660G", ALC269VC_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x128f, "Acer Veriton Z6860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1290, "Acer Veriton Z4860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1291, "Acer Veriton Z4660G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
@@ -7571,8 +7606,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x224c, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
SND_PCI_QUIRK(0x17aa, 0x224d, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
SND_PCI_QUIRK(0x17aa, 0x225d, "Thinkpad T480", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
- SND_PCI_QUIRK(0x17aa, 0x2292, "Thinkpad X1 Yoga 7th", ALC285_FIXUP_THINKPAD_HEADSET_JACK),
- SND_PCI_QUIRK(0x17aa, 0x2293, "Thinkpad X1 Carbon 7th", ALC285_FIXUP_THINKPAD_HEADSET_JACK),
+ SND_PCI_QUIRK(0x17aa, 0x2292, "Thinkpad X1 Carbon 7th", ALC285_FIXUP_THINKPAD_HEADSET_JACK),
SND_PCI_QUIRK(0x17aa, 0x22be, "Thinkpad X1 Carbon 8th", ALC285_FIXUP_THINKPAD_HEADSET_JACK),
SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
diff --git a/sound/soc/amd/renoir/Makefile b/sound/soc/amd/renoir/Makefile
index e4371932a55a..4a82690aec16 100644
--- a/sound/soc/amd/renoir/Makefile
+++ b/sound/soc/amd/renoir/Makefile
@@ -2,6 +2,7 @@
# Renoir platform Support
snd-rn-pci-acp3x-objs := rn-pci-acp3x.o
snd-acp3x-pdm-dma-objs := acp3x-pdm-dma.o
-obj-$(CONFIG_SND_SOC_AMD_RENOIR) += snd-rn-pci-acp3x.o
-obj-$(CONFIG_SND_SOC_AMD_RENOIR) += snd-acp3x-pdm-dma.o
-obj-$(CONFIG_SND_SOC_AMD_RENOIR_MACH) += acp3x-rn.o
+snd-acp3x-rn-objs := acp3x-rn.o
+obj-$(CONFIG_SND_SOC_AMD_RENOIR) += snd-rn-pci-acp3x.o
+obj-$(CONFIG_SND_SOC_AMD_RENOIR) += snd-acp3x-pdm-dma.o
+obj-$(CONFIG_SND_SOC_AMD_RENOIR_MACH) += snd-acp3x-rn.o
diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index 3e9d2c6c51f9..7d6670abdb08 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -932,7 +932,9 @@ int rt5682_headset_detect(struct snd_soc_component *component, int jack_insert)
RT5682_PWR_ANLG_1, RT5682_PWR_FV2, RT5682_PWR_FV2);
snd_soc_component_update_bits(component, RT5682_PWR_ANLG_3,
RT5682_PWR_CBJ, RT5682_PWR_CBJ);
-
+ snd_soc_component_update_bits(component,
+ RT5682_HP_CHARGE_PUMP_1,
+ RT5682_OSW_L_MASK | RT5682_OSW_R_MASK, 0);
snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1,
RT5682_TRIG_JD_MASK, RT5682_TRIG_JD_HIGH);
@@ -956,6 +958,11 @@ int rt5682_headset_detect(struct snd_soc_component *component, int jack_insert)
rt5682->jack_type = SND_JACK_HEADPHONE;
break;
}
+
+ snd_soc_component_update_bits(component,
+ RT5682_HP_CHARGE_PUMP_1,
+ RT5682_OSW_L_MASK | RT5682_OSW_R_MASK,
+ RT5682_OSW_L_EN | RT5682_OSW_R_EN);
} else {
rt5682_enable_push_button_irq(component, false);
snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1,
diff --git a/sound/soc/fsl/fsl_mqs.c b/sound/soc/fsl/fsl_mqs.c
index 0c813a45bba7..69aeb0e71844 100644
--- a/sound/soc/fsl/fsl_mqs.c
+++ b/sound/soc/fsl/fsl_mqs.c
@@ -265,12 +265,20 @@ static int fsl_mqs_remove(struct platform_device *pdev)
static int fsl_mqs_runtime_resume(struct device *dev)
{
struct fsl_mqs *mqs_priv = dev_get_drvdata(dev);
+ int ret;
- if (mqs_priv->ipg)
- clk_prepare_enable(mqs_priv->ipg);
+ ret = clk_prepare_enable(mqs_priv->ipg);
+ if (ret) {
+ dev_err(dev, "failed to enable ipg clock\n");
+ return ret;
+ }
- if (mqs_priv->mclk)
- clk_prepare_enable(mqs_priv->mclk);
+ ret = clk_prepare_enable(mqs_priv->mclk);
+ if (ret) {
+ dev_err(dev, "failed to enable mclk clock\n");
+ clk_disable_unprepare(mqs_priv->ipg);
+ return ret;
+ }
if (mqs_priv->use_gpr)
regmap_write(mqs_priv->regmap, IOMUXC_GPR2,
@@ -292,11 +300,8 @@ static int fsl_mqs_runtime_suspend(struct device *dev)
regmap_read(mqs_priv->regmap, REG_MQS_CTRL,
&mqs_priv->reg_mqs_ctrl);
- if (mqs_priv->mclk)
- clk_disable_unprepare(mqs_priv->mclk);
-
- if (mqs_priv->ipg)
- clk_disable_unprepare(mqs_priv->ipg);
+ clk_disable_unprepare(mqs_priv->mclk);
+ clk_disable_unprepare(mqs_priv->ipg);
return 0;
}
diff --git a/sound/usb/card.h b/sound/usb/card.h
index d6219fba9699..de43267b9c8a 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -84,10 +84,10 @@ struct snd_usb_endpoint {
dma_addr_t sync_dma; /* DMA address of syncbuf */
unsigned int pipe; /* the data i/o pipe */
- unsigned int framesize[2]; /* small/large frame sizes in samples */
- unsigned int sample_rem; /* remainder from division fs/fps */
+ unsigned int packsize[2]; /* small/large packet sizes in samples */
+ unsigned int sample_rem; /* remainder from division fs/pps */
unsigned int sample_accum; /* sample accumulator */
- unsigned int fps; /* frames per second */
+ unsigned int pps; /* packets per second */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
int freqshift; /* how much to shift the feedback value to get Q16.16 */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 9bea7d3f99f8..88760268fb55 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -159,11 +159,11 @@ int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep)
return ep->maxframesize;
ep->sample_accum += ep->sample_rem;
- if (ep->sample_accum >= ep->fps) {
- ep->sample_accum -= ep->fps;
- ret = ep->framesize[1];
+ if (ep->sample_accum >= ep->pps) {
+ ep->sample_accum -= ep->pps;
+ ret = ep->packsize[1];
} else {
- ret = ep->framesize[0];
+ ret = ep->packsize[0];
}
return ret;
@@ -1088,15 +1088,15 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
if (snd_usb_get_speed(ep->chip->dev) == USB_SPEED_FULL) {
ep->freqn = get_usb_full_speed_rate(rate);
- ep->fps = 1000;
+ ep->pps = 1000 >> ep->datainterval;
} else {
ep->freqn = get_usb_high_speed_rate(rate);
- ep->fps = 8000;
+ ep->pps = 8000 >> ep->datainterval;
}
- ep->sample_rem = rate % ep->fps;
- ep->framesize[0] = rate / ep->fps;
- ep->framesize[1] = (rate + (ep->fps - 1)) / ep->fps;
+ ep->sample_rem = rate % ep->pps;
+ ep->packsize[0] = rate / ep->pps;
+ ep->packsize[1] = (rate + (ep->pps - 1)) / ep->pps;
/* calculate the frequency in 16.16 format */
ep->freqm = ep->freqn;
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index a777d36c4f5a..40b7cd13fed9 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -368,6 +368,7 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
goto add_sync_ep_from_ifnum;
case USB_ID(0x07fd, 0x0008): /* MOTU M Series */
case USB_ID(0x31e9, 0x0002): /* Solid State Logic SSL2+ */
+ case USB_ID(0x0d9a, 0x00df): /* RTX6001 */
ep = 0x81;
ifnum = 2;
goto add_sync_ep_from_ifnum;
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 4ec491011b19..9092cc0aa807 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3633,4 +3633,56 @@ ALC1220_VB_DESKTOP(0x26ce, 0x0a01), /* Asrock TRX40 Creator */
}
},
+/*
+ * MacroSilicon MS2109 based HDMI capture cards
+ *
+ * These claim 96kHz 1ch in the descriptors, but are actually 48kHz 2ch.
+ * They also need QUIRK_AUDIO_ALIGN_TRANSFER, which makes one wonder if
+ * they pretend to be 96kHz mono as a workaround for stereo being broken
+ * by that...
+ *
+ * They also have swapped L-R channels, but that's for userspace to deal
+ * with.
+ */
+{
+ USB_DEVICE(0x534d, 0x2109),
+ .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+ .vendor_name = "MacroSilicon",
+ .product_name = "MS2109",
+ .ifnum = QUIRK_ANY_INTERFACE,
+ .type = QUIRK_COMPOSITE,
+ .data = &(const struct snd_usb_audio_quirk[]) {
+ {
+ .ifnum = 2,
+ .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+ },
+ {
+ .ifnum = 2,
+ .type = QUIRK_AUDIO_STANDARD_MIXER,
+ },
+ {
+ .ifnum = 3,
+ .type = QUIRK_AUDIO_FIXED_ENDPOINT,
+ .data = &(const struct audioformat) {
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .channels = 2,
+ .iface = 3,
+ .altsetting = 1,
+ .altset_idx = 1,
+ .attributes = 0,
+ .endpoint = 0x82,
+ .ep_attr = USB_ENDPOINT_XFER_ISOC |
+ USB_ENDPOINT_SYNC_ASYNC,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ }
+ },
+ {
+ .ifnum = -1
+ }
+ }
+ }
+},
+
#undef USB_DEVICE_VENDOR_SPEC
diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S
index df767afc690f..45f8e1b02241 100644
--- a/tools/arch/x86/lib/memcpy_64.S
+++ b/tools/arch/x86/lib/memcpy_64.S
@@ -8,6 +8,8 @@
#include <asm/alternative-asm.h>
#include <asm/export.h>
+.pushsection .noinstr.text, "ax"
+
/*
* We build a jump to memcpy_orig by default which gets NOPped out on
* the majority of x86 CPUs which set REP_GOOD. In addition, CPUs which
@@ -184,6 +186,8 @@ SYM_FUNC_START(memcpy_orig)
retq
SYM_FUNC_END(memcpy_orig)
+.popsection
+
#ifndef CONFIG_UML
MCSAFE_TEST_CTL
diff --git a/tools/include/linux/bits.h b/tools/include/linux/bits.h
index 4671fbf28842..7f475d59a097 100644
--- a/tools/include/linux/bits.h
+++ b/tools/include/linux/bits.h
@@ -18,8 +18,7 @@
* position @h. For example
* GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000.
*/
-#if !defined(__ASSEMBLY__) && \
- (!defined(CONFIG_CC_IS_GCC) || CONFIG_GCC_VERSION >= 49000)
+#if !defined(__ASSEMBLY__)
#include <linux/build_bug.h>
#define GENMASK_INPUT_CHECK(h, l) \
(BUILD_BUG_ON_ZERO(__builtin_choose_expr( \
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 974a71342aea..8bd33050b7bb 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -3171,13 +3171,12 @@ union bpf_attr {
* int bpf_ringbuf_output(void *ringbuf, void *data, u64 size, u64 flags)
* Description
* Copy *size* bytes from *data* into a ring buffer *ringbuf*.
- * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
- * new data availability is sent.
- * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
- * new data availability is sent unconditionally.
+ * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification
+ * of new data availability is sent.
+ * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification
+ * of new data availability is sent unconditionally.
* Return
- * 0, on success;
- * < 0, on error.
+ * 0 on success, or a negative error in case of failure.
*
* void *bpf_ringbuf_reserve(void *ringbuf, u64 size, u64 flags)
* Description
@@ -3189,20 +3188,20 @@ union bpf_attr {
* void bpf_ringbuf_submit(void *data, u64 flags)
* Description
* Submit reserved ring buffer sample, pointed to by *data*.
- * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
- * new data availability is sent.
- * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
- * new data availability is sent unconditionally.
+ * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification
+ * of new data availability is sent.
+ * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification
+ * of new data availability is sent unconditionally.
* Return
* Nothing. Always succeeds.
*
* void bpf_ringbuf_discard(void *data, u64 flags)
* Description
* Discard reserved ring buffer sample, pointed to by *data*.
- * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
- * new data availability is sent.
- * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
- * new data availability is sent unconditionally.
+ * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification
+ * of new data availability is sent.
+ * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification
+ * of new data availability is sent unconditionally.
* Return
* Nothing. Always succeeds.
*
@@ -3210,16 +3209,18 @@ union bpf_attr {
* Description
* Query various characteristics of provided ring buffer. What
* exactly is queries is determined by *flags*:
- * - BPF_RB_AVAIL_DATA - amount of data not yet consumed;
- * - BPF_RB_RING_SIZE - the size of ring buffer;
- * - BPF_RB_CONS_POS - consumer position (can wrap around);
- * - BPF_RB_PROD_POS - producer(s) position (can wrap around);
- * Data returned is just a momentary snapshots of actual values
+ *
+ * * **BPF_RB_AVAIL_DATA**: Amount of data not yet consumed.
+ * * **BPF_RB_RING_SIZE**: The size of ring buffer.
+ * * **BPF_RB_CONS_POS**: Consumer position (can wrap around).
+ * * **BPF_RB_PROD_POS**: Producer(s) position (can wrap around).
+ *
+ * Data returned is just a momentary snapshot of actual values
* and could be inaccurate, so this facility should be used to
* power heuristics and for reporting, not to make 100% correct
* calculation.
* Return
- * Requested value, or 0, if flags are not recognized.
+ * Requested value, or 0, if *flags* are not recognized.
*
* int bpf_csum_level(struct sk_buff *skb, u64 level)
* Description
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 1b6015b21ba8..dbef24ebcfcb 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -233,6 +233,8 @@ LIBBPF_API int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf,
LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf,
__u32 *buf_len, __u32 *prog_id, __u32 *fd_type,
__u64 *probe_offset, __u64 *probe_addr);
+
+enum bpf_stats_type; /* defined in up-to-date linux/bpf.h */
LIBBPF_API int bpf_enable_stats(enum bpf_stats_type type);
#ifdef __cplusplus
diff --git a/tools/lib/bpf/hashmap.h b/tools/lib/bpf/hashmap.h
index df59fd4fc95b..e0af36b0e5d8 100644
--- a/tools/lib/bpf/hashmap.h
+++ b/tools/lib/bpf/hashmap.h
@@ -11,14 +11,18 @@
#include <stdbool.h>
#include <stddef.h>
#include <limits.h>
-#ifndef __WORDSIZE
-#define __WORDSIZE (__SIZEOF_LONG__ * 8)
-#endif
static inline size_t hash_bits(size_t h, int bits)
{
/* shuffle bits and return requested number of upper bits */
- return (h * 11400714819323198485llu) >> (__WORDSIZE - bits);
+#if (__SIZEOF_SIZE_T__ == __SIZEOF_LONG_LONG__)
+ /* LP64 case */
+ return (h * 11400714819323198485llu) >> (__SIZEOF_LONG_LONG__ * 8 - bits);
+#elif (__SIZEOF_SIZE_T__ <= __SIZEOF_LONG__)
+ return (h * 2654435769lu) >> (__SIZEOF_LONG__ * 8 - bits);
+#else
+# error "Unsupported size_t size"
+#endif
}
typedef size_t (*hashmap_hash_fn)(const void *key, void *ctx);
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 477c679ed945..11e4725b8b1c 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -4818,7 +4818,13 @@ bpf_core_reloc_fields(struct bpf_object *obj, const char *targ_btf_path)
err = -EINVAL;
goto out;
}
- prog = bpf_object__find_program_by_title(obj, sec_name);
+ prog = NULL;
+ for (i = 0; i < obj->nr_programs; i++) {
+ if (!strcmp(obj->programs[i].section_name, sec_name)) {
+ prog = &obj->programs[i];
+ break;
+ }
+ }
if (!prog) {
pr_warn("failed to find program '%s' for CO-RE offset relocation\n",
sec_name);
@@ -6653,7 +6659,7 @@ static const struct bpf_sec_def section_defs[] = {
.expected_attach_type = BPF_TRACE_ITER,
.is_attach_btf = true,
.attach_fn = attach_iter),
- BPF_EAPROG_SEC("xdp_devmap", BPF_PROG_TYPE_XDP,
+ BPF_EAPROG_SEC("xdp_devmap/", BPF_PROG_TYPE_XDP,
BPF_XDP_DEVMAP),
BPF_PROG_SEC("xdp", BPF_PROG_TYPE_XDP),
BPF_PROG_SEC("perf_event", BPF_PROG_TYPE_PERF_EVENT),
diff --git a/tools/lib/traceevent/kbuffer-parse.c b/tools/lib/traceevent/kbuffer-parse.c
index 27f3b07fdae8..f1640d651c8a 100644
--- a/tools/lib/traceevent/kbuffer-parse.c
+++ b/tools/lib/traceevent/kbuffer-parse.c
@@ -361,6 +361,7 @@ translate_data(struct kbuffer *kbuf, void *data, void **rptr,
break;
case KBUFFER_TYPE_TIME_EXTEND:
+ case KBUFFER_TYPE_TIME_STAMP:
extend = read_4(kbuf, data);
data += 4;
extend <<= TS_SHIFT;
@@ -369,10 +370,6 @@ translate_data(struct kbuffer *kbuf, void *data, void **rptr,
*length = 0;
break;
- case KBUFFER_TYPE_TIME_STAMP:
- data += 12;
- *length = 0;
- break;
case 0:
*length = read_4(kbuf, data) - 4;
*length = (*length + 3) & ~3;
@@ -397,7 +394,11 @@ static unsigned int update_pointers(struct kbuffer *kbuf)
type_len = translate_data(kbuf, ptr, &ptr, &delta, &length);
- kbuf->timestamp += delta;
+ if (type_len == KBUFFER_TYPE_TIME_STAMP)
+ kbuf->timestamp = delta;
+ else
+ kbuf->timestamp += delta;
+
kbuf->index = calc_index(kbuf, ptr);
kbuf->next = kbuf->index + length;
@@ -454,7 +455,9 @@ static int __next_event(struct kbuffer *kbuf)
if (kbuf->next >= kbuf->size)
return -1;
type = update_pointers(kbuf);
- } while (type == KBUFFER_TYPE_TIME_EXTEND || type == KBUFFER_TYPE_PADDING);
+ } while (type == KBUFFER_TYPE_TIME_EXTEND ||
+ type == KBUFFER_TYPE_TIME_STAMP ||
+ type == KBUFFER_TYPE_PADDING);
return 0;
}
@@ -547,6 +550,34 @@ int kbuffer_load_subbuffer(struct kbuffer *kbuf, void *subbuffer)
}
/**
+ * kbuffer_subbuf_timestamp - read the timestamp from a sub buffer
+ * @kbuf: The kbuffer to load
+ * @subbuf: The subbuffer to read from.
+ *
+ * Return the timestamp from a subbuffer.
+ */
+unsigned long long kbuffer_subbuf_timestamp(struct kbuffer *kbuf, void *subbuf)
+{
+ return kbuf->read_8(subbuf);
+}
+
+/**
+ * kbuffer_ptr_delta - read the delta field from a record
+ * @kbuf: The kbuffer to load
+ * @ptr: The record in the buffe.
+ *
+ * Return the timestamp delta from a record
+ */
+unsigned int kbuffer_ptr_delta(struct kbuffer *kbuf, void *ptr)
+{
+ unsigned int type_len_ts;
+
+ type_len_ts = read_4(kbuf, ptr);
+ return ts4host(kbuf, type_len_ts);
+}
+
+
+/**
* kbuffer_read_event - read the next event in the kbuffer subbuffer
* @kbuf: The kbuffer to read from
* @ts: The address to store the timestamp of the event (may be NULL to ignore)
diff --git a/tools/lib/traceevent/kbuffer.h b/tools/lib/traceevent/kbuffer.h
index ed4d697fc137..5fa8292e341b 100644
--- a/tools/lib/traceevent/kbuffer.h
+++ b/tools/lib/traceevent/kbuffer.h
@@ -49,6 +49,8 @@ int kbuffer_load_subbuffer(struct kbuffer *kbuf, void *subbuffer);
void *kbuffer_read_event(struct kbuffer *kbuf, unsigned long long *ts);
void *kbuffer_next_event(struct kbuffer *kbuf, unsigned long long *ts);
unsigned long long kbuffer_timestamp(struct kbuffer *kbuf);
+unsigned long long kbuffer_subbuf_timestamp(struct kbuffer *kbuf, void *subbuf);
+unsigned int kbuffer_ptr_delta(struct kbuffer *kbuf, void *ptr);
void *kbuffer_translate_data(int swap, void *data, unsigned int *size);
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index 839ef52c1ac2..6ce451293634 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -641,6 +641,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
}
evsel->core.attr.freq = 0;
evsel->core.attr.sample_period = 1;
+ evsel->no_aux_samples = true;
intel_pt_evsel = evsel;
opts->full_auxtrace = true;
}
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index e108d90ae2ed..a37e7910e9e9 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -852,20 +852,20 @@ static int record__open(struct record *rec)
* event synthesis.
*/
if (opts->initial_delay || target__has_cpu(&opts->target)) {
- if (perf_evlist__add_dummy(evlist))
- return -ENOMEM;
+ pos = perf_evlist__get_tracking_event(evlist);
+ if (!evsel__is_dummy_event(pos)) {
+ /* Set up dummy event. */
+ if (perf_evlist__add_dummy(evlist))
+ return -ENOMEM;
+ pos = evlist__last(evlist);
+ perf_evlist__set_tracking_event(evlist, pos);
+ }
- /* Disable tracking of mmaps on lead event. */
- pos = evlist__first(evlist);
- pos->tracking = 0;
- /* Set up dummy event. */
- pos = evlist__last(evlist);
- pos->tracking = 1;
/*
* Enable the dummy event when the process is forked for
* initial_delay, immediately for system wide.
*/
- if (opts->initial_delay)
+ if (opts->initial_delay && !pos->immediate)
pos->core.attr.enable_on_exec = 1;
else
pos->immediate = 1;
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 181d65e5a450..447457786362 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -462,7 +462,7 @@ static int perf_evsel__check_attr(struct evsel *evsel, struct perf_session *sess
return -EINVAL;
if (PRINT_FIELD(IREGS) &&
- evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS))
+ evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(UREGS) &&
diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py
index 7bd73a904b4e..d187e46c2683 100644
--- a/tools/perf/scripts/python/export-to-postgresql.py
+++ b/tools/perf/scripts/python/export-to-postgresql.py
@@ -1055,7 +1055,7 @@ def cbr(id, raw_buf):
cbr = data[0]
MHz = (data[4] + 500) / 1000
percent = ((cbr * 1000 / data[2]) + 5) / 10
- value = struct.pack("!hiqiiiiii", 4, 8, id, 4, cbr, 4, MHz, 4, percent)
+ value = struct.pack("!hiqiiiiii", 4, 8, id, 4, cbr, 4, int(MHz), 4, int(percent))
cbr_file.write(value)
def mwait(id, raw_buf):
diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 26d7be785288..7daa8bb70a5a 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -768,7 +768,8 @@ class CallGraphModel(CallGraphModelBase):
" FROM calls"
" INNER JOIN call_paths ON calls.call_path_id = call_paths.id"
" INNER JOIN symbols ON call_paths.symbol_id = symbols.id"
- " WHERE symbols.name" + match +
+ " WHERE calls.id <> 0"
+ " AND symbols.name" + match +
" GROUP BY comm_id, thread_id, call_path_id"
" ORDER BY comm_id, thread_id, call_path_id")
@@ -963,7 +964,8 @@ class CallTreeModel(CallGraphModelBase):
" FROM calls"
" INNER JOIN call_paths ON calls.call_path_id = call_paths.id"
" INNER JOIN symbols ON call_paths.symbol_id = symbols.id"
- " WHERE symbols.name" + match +
+ " WHERE calls.id <> 0"
+ " AND symbols.name" + match +
" ORDER BY comm_id, thread_id, call_time, calls.id")
def FindPath(self, query):
@@ -1050,6 +1052,7 @@ class TreeWindowBase(QMdiSubWindow):
child = self.model.index(row, 0, parent)
if child.internalPointer().dbid == dbid:
found = True
+ self.view.setExpanded(parent, True)
self.view.setCurrentIndex(child)
parent = child
break
@@ -1127,6 +1130,7 @@ class CallTreeWindow(TreeWindowBase):
child = self.model.index(row, 0, parent)
if child.internalPointer().dbid == dbid:
found = True
+ self.view.setExpanded(parent, True)
self.view.setCurrentIndex(child)
parent = child
break
@@ -1139,6 +1143,7 @@ class CallTreeWindow(TreeWindowBase):
return
last_child = None
for row in xrange(n):
+ self.view.setExpanded(parent, True)
child = self.model.index(row, 0, parent)
child_call_time = child.internalPointer().call_time
if child_call_time < time:
@@ -1151,9 +1156,11 @@ class CallTreeWindow(TreeWindowBase):
if not last_child:
if not found:
child = self.model.index(0, 0, parent)
+ self.view.setExpanded(parent, True)
self.view.setCurrentIndex(child)
return
found = True
+ self.view.setExpanded(parent, True)
self.view.setCurrentIndex(last_child)
parent = last_child
diff --git a/tools/perf/scripts/python/flamegraph.py b/tools/perf/scripts/python/flamegraph.py
index 61f3be9add6b..65780013f745 100755
--- a/tools/perf/scripts/python/flamegraph.py
+++ b/tools/perf/scripts/python/flamegraph.py
@@ -17,6 +17,7 @@
from __future__ import print_function
import sys
import os
+import io
import argparse
import json
@@ -81,7 +82,7 @@ class FlameGraphCLI:
if self.args.format == "html":
try:
- with open(self.args.template) as f:
+ with io.open(self.args.template, encoding="utf-8") as f:
output_str = f.read().replace("/** @flamegraph_json **/",
json_str)
except IOError as e:
@@ -93,11 +94,12 @@ class FlameGraphCLI:
output_fn = self.args.output or "stacks.json"
if output_fn == "-":
- sys.stdout.write(output_str)
+ with io.open(sys.stdout.fileno(), "w", encoding="utf-8", closefd=False) as out:
+ out.write(output_str)
else:
print("dumping data to {}".format(output_fn))
try:
- with open(output_fn, "w") as out:
+ with io.open(output_fn, "w", encoding="utf-8") as out:
out.write(output_str)
except IOError as e:
print("Error writing output file: {}".format(e), file=sys.stderr)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index f98a118dfc49..be9c4c0549bc 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -2288,6 +2288,11 @@ static struct thread *hist_browser__selected_thread(struct hist_browser *browser
return browser->he_selection->thread;
}
+static struct res_sample *hist_browser__selected_res_sample(struct hist_browser *browser)
+{
+ return browser->he_selection ? browser->he_selection->res_samples : NULL;
+}
+
/* Check whether the browser is for 'top' or 'report' */
static inline bool is_report_browser(void *timer)
{
@@ -3357,16 +3362,16 @@ skip_annotation:
&options[nr_options], NULL, NULL, evsel);
nr_options += add_res_sample_opt(browser, &actions[nr_options],
&options[nr_options],
- hist_browser__selected_entry(browser)->res_samples,
- evsel, A_NORMAL);
+ hist_browser__selected_res_sample(browser),
+ evsel, A_NORMAL);
nr_options += add_res_sample_opt(browser, &actions[nr_options],
&options[nr_options],
- hist_browser__selected_entry(browser)->res_samples,
- evsel, A_ASM);
+ hist_browser__selected_res_sample(browser),
+ evsel, A_ASM);
nr_options += add_res_sample_opt(browser, &actions[nr_options],
&options[nr_options],
- hist_browser__selected_entry(browser)->res_samples,
- evsel, A_SOURCE);
+ hist_browser__selected_res_sample(browser),
+ evsel, A_SOURCE);
nr_options += add_switch_opt(browser, &actions[nr_options],
&options[nr_options]);
skip_scripting:
@@ -3598,6 +3603,23 @@ static int __perf_evlist__tui_browse_hists(struct evlist *evlist,
hbt, warn_lost_event);
}
+static bool perf_evlist__single_entry(struct evlist *evlist)
+{
+ int nr_entries = evlist->core.nr_entries;
+
+ if (nr_entries == 1)
+ return true;
+
+ if (nr_entries == 2) {
+ struct evsel *last = evlist__last(evlist);
+
+ if (evsel__is_dummy_event(last))
+ return true;
+ }
+
+ return false;
+}
+
int perf_evlist__tui_browse_hists(struct evlist *evlist, const char *help,
struct hist_browser_timer *hbt,
float min_pcnt,
@@ -3608,7 +3630,7 @@ int perf_evlist__tui_browse_hists(struct evlist *evlist, const char *help,
int nr_entries = evlist->core.nr_entries;
single_entry:
- if (nr_entries == 1) {
+ if (perf_evlist__single_entry(evlist)) {
struct evsel *first = evlist__first(evlist);
return perf_evsel__hists_browse(first, nr_entries, help,
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 173b4f0e0e6e..ab48be4cf258 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1566,6 +1566,18 @@ void perf_evlist__to_front(struct evlist *evlist,
list_splice(&move, &evlist->core.entries);
}
+struct evsel *perf_evlist__get_tracking_event(struct evlist *evlist)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(evlist, evsel) {
+ if (evsel->tracking)
+ return evsel;
+ }
+
+ return evlist__first(evlist);
+}
+
void perf_evlist__set_tracking_event(struct evlist *evlist,
struct evsel *tracking_evsel)
{
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index b6f325dfb4d2..a8081dfc19cf 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -335,6 +335,7 @@ void perf_evlist__to_front(struct evlist *evlist,
evlist__cpu_iter_start(evlist); \
perf_cpu_map__for_each_cpu (cpu, index, (evlist)->core.all_cpus)
+struct evsel *perf_evlist__get_tracking_event(struct evlist *evlist);
void perf_evlist__set_tracking_event(struct evlist *evlist,
struct evsel *tracking_evsel);
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 96e5171dce41..ef802f6d40c1 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -898,12 +898,6 @@ static void evsel__apply_config_terms(struct evsel *evsel,
}
}
-static bool is_dummy_event(struct evsel *evsel)
-{
- return (evsel->core.attr.type == PERF_TYPE_SOFTWARE) &&
- (evsel->core.attr.config == PERF_COUNT_SW_DUMMY);
-}
-
struct evsel_config_term *__evsel__get_config_term(struct evsel *evsel, enum evsel_term_type type)
{
struct evsel_config_term *term, *found_term = NULL;
@@ -1020,12 +1014,12 @@ void evsel__config(struct evsel *evsel, struct record_opts *opts,
if (callchain && callchain->enabled && !evsel->no_aux_samples)
evsel__config_callchain(evsel, opts, callchain);
- if (opts->sample_intr_regs) {
+ if (opts->sample_intr_regs && !evsel->no_aux_samples) {
attr->sample_regs_intr = opts->sample_intr_regs;
evsel__set_sample_bit(evsel, REGS_INTR);
}
- if (opts->sample_user_regs) {
+ if (opts->sample_user_regs && !evsel->no_aux_samples) {
attr->sample_regs_user |= opts->sample_user_regs;
evsel__set_sample_bit(evsel, REGS_USER);
}
@@ -1161,7 +1155,7 @@ void evsel__config(struct evsel *evsel, struct record_opts *opts,
* The software event will trigger -EOPNOTSUPP error out,
* if BRANCH_STACK bit is set.
*/
- if (is_dummy_event(evsel))
+ if (evsel__is_dummy_event(evsel))
evsel__reset_sample_bit(evsel, BRANCH_STACK);
}
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 0f963c2a88a5..35e3f6d66085 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -399,6 +399,12 @@ static inline bool evsel__has_br_stack(const struct evsel *evsel)
evsel->synth_sample_type & PERF_SAMPLE_BRANCH_STACK;
}
+static inline bool evsel__is_dummy_event(struct evsel *evsel)
+{
+ return (evsel->core.attr.type == PERF_TYPE_SOFTWARE) &&
+ (evsel->core.attr.config == PERF_COUNT_SW_DUMMY);
+}
+
struct perf_env *evsel__env(struct evsel *evsel);
int evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index e4dd8bf610ce..cb3c1e569a2d 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -1735,6 +1735,7 @@ static int intel_pt_synth_pebs_sample(struct intel_pt_queue *ptq)
u64 sample_type = evsel->core.attr.sample_type;
u64 id = evsel->core.id[0];
u8 cpumode;
+ u64 regs[8 * sizeof(sample.intr_regs.mask)];
if (intel_pt_skip_event(pt))
return 0;
@@ -1784,8 +1785,8 @@ static int intel_pt_synth_pebs_sample(struct intel_pt_queue *ptq)
}
if (sample_type & PERF_SAMPLE_REGS_INTR &&
- items->mask[INTEL_PT_GP_REGS_POS]) {
- u64 regs[sizeof(sample.intr_regs.mask)];
+ (items->mask[INTEL_PT_GP_REGS_POS] ||
+ items->mask[INTEL_PT_XMM_POS])) {
u64 regs_mask = evsel->core.attr.sample_regs_intr;
u64 *pos;
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 787b6d4ad716..f9b769f3437d 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -82,7 +82,9 @@ def build_tests(linux: kunit_kernel.LinuxSourceTree,
request.make_options)
build_end = time.time()
if not success:
- return KunitResult(KunitStatus.BUILD_FAILURE, 'could not build kernel')
+ return KunitResult(KunitStatus.BUILD_FAILURE,
+ 'could not build kernel',
+ build_end - build_start)
if not success:
return KunitResult(KunitStatus.BUILD_FAILURE,
'could not build kernel',
diff --git a/tools/testing/kunit/kunit_config.py b/tools/testing/kunit/kunit_config.py
index e75063d603b5..02ffc3a3e5dc 100644
--- a/tools/testing/kunit/kunit_config.py
+++ b/tools/testing/kunit/kunit_config.py
@@ -10,7 +10,7 @@ import collections
import re
CONFIG_IS_NOT_SET_PATTERN = r'^# CONFIG_(\w+) is not set$'
-CONFIG_PATTERN = r'^CONFIG_(\w+)=(\S+)$'
+CONFIG_PATTERN = r'^CONFIG_(\w+)=(\S+|".*")$'
KconfigEntryBase = collections.namedtuple('KconfigEntry', ['name', 'value'])
diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
index 64aac9dcd431..f13e0c0d6663 100644
--- a/tools/testing/kunit/kunit_parser.py
+++ b/tools/testing/kunit/kunit_parser.py
@@ -265,11 +265,9 @@ def bubble_up_suite_errors(test_suite_list: List[TestSuite]) -> TestStatus:
return bubble_up_errors(lambda x: x.status, test_suite_list)
def parse_test_result(lines: List[str]) -> TestResult:
- if not lines:
- return TestResult(TestStatus.NO_TESTS, [], lines)
consume_non_diagnositic(lines)
- if not parse_tap_header(lines):
- return None
+ if not lines or not parse_tap_header(lines):
+ return TestResult(TestStatus.NO_TESTS, [], lines)
test_suites = []
test_suite = parse_test_suite(lines)
while test_suite:
@@ -282,6 +280,8 @@ def parse_run_tests(kernel_output) -> TestResult:
failed_tests = 0
crashed_tests = 0
test_result = parse_test_result(list(isolate_kunit_output(kernel_output)))
+ if test_result.status == TestStatus.NO_TESTS:
+ print_with_timestamp(red('[ERROR] ') + 'no kunit output detected')
for test_suite in test_result.suites:
if test_suite.status == TestStatus.SUCCESS:
print_suite_divider(green('[PASSED] ') + test_suite.name)
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index 5bb7b118ebd9..f9eeaea94cad 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -170,6 +170,17 @@ class KUnitParserTest(unittest.TestCase):
result.status)
file.close()
+ def test_no_kunit_output(self):
+ crash_log = get_absolute_path(
+ 'test_data/test_insufficient_memory.log')
+ file = open(crash_log)
+ print_mock = mock.patch('builtins.print').start()
+ result = kunit_parser.parse_run_tests(
+ kunit_parser.isolate_kunit_output(file.readlines()))
+ print_mock.assert_any_call(StrContains("no kunit output detected"))
+ print_mock.stop()
+ file.close()
+
def test_crashed_test(self):
crashed_log = get_absolute_path(
'test_data/test_is_test_passed-crash.log')
diff --git a/tools/testing/kunit/test_data/test_insufficient_memory.log b/tools/testing/kunit/test_data/test_insufficient_memory.log
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/tools/testing/kunit/test_data/test_insufficient_memory.log
diff --git a/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c b/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c
index 83493bd5745c..109d0345a2be 100644
--- a/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c
+++ b/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c
@@ -36,7 +36,7 @@ void test_fentry_fexit(void)
fentry_res = (__u64 *)fentry_skel->bss;
fexit_res = (__u64 *)fexit_skel->bss;
printf("%lld\n", fentry_skel->bss->test1_result);
- for (i = 0; i < 6; i++) {
+ for (i = 0; i < 8; i++) {
CHECK(fentry_res[i] != 1, "result",
"fentry_test%d failed err %lld\n", i + 1, fentry_res[i]);
CHECK(fexit_res[i] != 1, "result",
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
index ea14e3ece812..f11f187990e9 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
@@ -527,8 +527,8 @@ static void test_skb_less_prog_attach(struct bpf_flow *skel, int tap_fd)
run_tests_skb_less(tap_fd, skel->maps.last_dissection);
- err = bpf_prog_detach(prog_fd, BPF_FLOW_DISSECTOR);
- CHECK(err, "bpf_prog_detach", "err %d errno %d\n", err, errno);
+ err = bpf_prog_detach2(prog_fd, 0, BPF_FLOW_DISSECTOR);
+ CHECK(err, "bpf_prog_detach2", "err %d errno %d\n", err, errno);
}
static void test_skb_less_link_create(struct bpf_flow *skel, int tap_fd)
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
index 15cb554a66d8..172c586b6996 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
@@ -1,9 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Test that the flow_dissector program can be updated with a single
- * syscall by attaching a new program that replaces the existing one.
- *
- * Corner case - the same program cannot be attached twice.
+ * Tests for attaching, detaching, and replacing flow_dissector BPF program.
*/
#define _GNU_SOURCE
@@ -116,7 +113,7 @@ static void test_prog_attach_prog_attach(int netns, int prog1, int prog2)
CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
out_detach:
- err = bpf_prog_detach(0, BPF_FLOW_DISSECTOR);
+ err = bpf_prog_detach2(prog2, 0, BPF_FLOW_DISSECTOR);
if (CHECK_FAIL(err))
perror("bpf_prog_detach");
CHECK_FAIL(prog_is_attached(netns));
@@ -152,7 +149,7 @@ static void test_prog_attach_link_create(int netns, int prog1, int prog2)
DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
int err, link;
- err = bpf_prog_attach(prog1, -1, BPF_FLOW_DISSECTOR, 0);
+ err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
if (CHECK_FAIL(err)) {
perror("bpf_prog_attach(prog1)");
return;
@@ -168,7 +165,7 @@ static void test_prog_attach_link_create(int netns, int prog1, int prog2)
close(link);
CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
- err = bpf_prog_detach(-1, BPF_FLOW_DISSECTOR);
+ err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
if (CHECK_FAIL(err))
perror("bpf_prog_detach");
CHECK_FAIL(prog_is_attached(netns));
@@ -188,7 +185,7 @@ static void test_link_create_prog_attach(int netns, int prog1, int prog2)
/* Expect failure attaching prog when link exists */
errno = 0;
- err = bpf_prog_attach(prog2, -1, BPF_FLOW_DISSECTOR, 0);
+ err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
if (CHECK_FAIL(!err || errno != EEXIST))
perror("bpf_prog_attach(prog2) expected EEXIST");
CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
@@ -211,7 +208,7 @@ static void test_link_create_prog_detach(int netns, int prog1, int prog2)
/* Expect failure detaching prog when link exists */
errno = 0;
- err = bpf_prog_detach(-1, BPF_FLOW_DISSECTOR);
+ err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
if (CHECK_FAIL(!err || errno != EINVAL))
perror("bpf_prog_detach expected EINVAL");
CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
@@ -231,7 +228,7 @@ static void test_prog_attach_detach_query(int netns, int prog1, int prog2)
}
CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
- err = bpf_prog_detach(0, BPF_FLOW_DISSECTOR);
+ err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
if (CHECK_FAIL(err)) {
perror("bpf_prog_detach");
return;
@@ -308,6 +305,31 @@ static void test_link_update_replace_old_prog(int netns, int prog1, int prog2)
CHECK_FAIL(prog_is_attached(netns));
}
+static void test_link_update_same_prog(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+ DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+ int err, link;
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect success updating the prog with the same one */
+ update_opts.flags = 0;
+ update_opts.old_prog_fd = 0;
+ err = bpf_link_update(link, prog1, &update_opts);
+ if (CHECK_FAIL(err))
+ perror("bpf_link_update");
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ close(link);
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
static void test_link_update_invalid_opts(int netns, int prog1, int prog2)
{
DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
@@ -571,6 +593,8 @@ static void run_tests(int netns)
test_link_update_no_old_prog },
{ "link update with replace old prog",
test_link_update_replace_old_prog },
+ { "link update with same prog",
+ test_link_update_same_prog },
{ "link update invalid opts",
test_link_update_invalid_opts },
{ "link update invalid prog",
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c b/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c
index e7b8753eac0b..75ecf956a2df 100644
--- a/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c
@@ -25,7 +25,7 @@ struct bpf_iter__netlink {
struct netlink_sock *sk;
} __attribute__((preserve_access_index));
-static inline struct inode *SOCK_INODE(struct socket *socket)
+static __attribute__((noinline)) struct inode *SOCK_INODE(struct socket *socket)
{
return &container_of(socket, struct socket_alloc, socket)->vfs_inode;
}
diff --git a/tools/testing/selftests/bpf/progs/fentry_test.c b/tools/testing/selftests/bpf/progs/fentry_test.c
index 9365b686f84b..5f645fdaba6f 100644
--- a/tools/testing/selftests/bpf/progs/fentry_test.c
+++ b/tools/testing/selftests/bpf/progs/fentry_test.c
@@ -55,3 +55,25 @@ int BPF_PROG(test6, __u64 a, void *b, short c, int d, void * e, __u64 f)
e == (void *)20 && f == 21;
return 0;
}
+
+struct bpf_fentry_test_t {
+ struct bpf_fentry_test_t *a;
+};
+
+__u64 test7_result = 0;
+SEC("fentry/bpf_fentry_test7")
+int BPF_PROG(test7, struct bpf_fentry_test_t *arg)
+{
+ if (arg == 0)
+ test7_result = 1;
+ return 0;
+}
+
+__u64 test8_result = 0;
+SEC("fentry/bpf_fentry_test8")
+int BPF_PROG(test8, struct bpf_fentry_test_t *arg)
+{
+ if (arg->a == 0)
+ test8_result = 1;
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/fexit_test.c b/tools/testing/selftests/bpf/progs/fexit_test.c
index bd1e17d8024c..0952affb22a6 100644
--- a/tools/testing/selftests/bpf/progs/fexit_test.c
+++ b/tools/testing/selftests/bpf/progs/fexit_test.c
@@ -56,3 +56,25 @@ int BPF_PROG(test6, __u64 a, void *b, short c, int d, void *e, __u64 f, int ret)
e == (void *)20 && f == 21 && ret == 111;
return 0;
}
+
+struct bpf_fentry_test_t {
+ struct bpf_fentry_test *a;
+};
+
+__u64 test7_result = 0;
+SEC("fexit/bpf_fentry_test7")
+int BPF_PROG(test7, struct bpf_fentry_test_t *arg)
+{
+ if (arg == 0)
+ test7_result = 1;
+ return 0;
+}
+
+__u64 test8_result = 0;
+SEC("fexit/bpf_fentry_test8")
+int BPF_PROG(test8, struct bpf_fentry_test_t *arg)
+{
+ if (arg->a == 0)
+ test8_result = 1;
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_kern.h b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
index 057036ca1111..3dca4c2e2418 100644
--- a/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
@@ -79,7 +79,7 @@ struct {
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
- __uint(max_entries, 2);
+ __uint(max_entries, 3);
__type(key, int);
__type(value, int);
} sock_skb_opts SEC(".maps");
@@ -94,6 +94,12 @@ struct {
SEC("sk_skb1")
int bpf_prog1(struct __sk_buff *skb)
{
+ int *f, two = 2;
+
+ f = bpf_map_lookup_elem(&sock_skb_opts, &two);
+ if (f && *f) {
+ return *f;
+ }
return skb->len;
}
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
index 330811260123..0ac086497722 100644
--- a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
@@ -27,7 +27,7 @@ int xdp_dummy_prog(struct xdp_md *ctx)
/* valid program on DEVMAP entry via SEC name;
* has access to egress and ingress ifindex
*/
-SEC("xdp_devmap")
+SEC("xdp_devmap/map_prog")
int xdp_dummy_dm(struct xdp_md *ctx)
{
char fmt[] = "devmap redirect: dev %u -> dev %u len %u\n";
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 6a12a0e01e07..754cf611723e 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -789,19 +789,19 @@ static void test_sockmap(unsigned int tasks, void *data)
}
err = bpf_prog_detach(fd, BPF_SK_SKB_STREAM_PARSER);
- if (err) {
+ if (!err) {
printf("Failed empty parser prog detach\n");
goto out_sockmap;
}
err = bpf_prog_detach(fd, BPF_SK_SKB_STREAM_VERDICT);
- if (err) {
+ if (!err) {
printf("Failed empty verdict prog detach\n");
goto out_sockmap;
}
err = bpf_prog_detach(fd, BPF_SK_MSG_VERDICT);
- if (err) {
+ if (!err) {
printf("Failed empty msg verdict prog detach\n");
goto out_sockmap;
}
@@ -1090,19 +1090,19 @@ static void test_sockmap(unsigned int tasks, void *data)
assert(status == 0);
}
- err = bpf_prog_detach(map_fd_rx, __MAX_BPF_ATTACH_TYPE);
+ err = bpf_prog_detach2(parse_prog, map_fd_rx, __MAX_BPF_ATTACH_TYPE);
if (!err) {
printf("Detached an invalid prog type.\n");
goto out_sockmap;
}
- err = bpf_prog_detach(map_fd_rx, BPF_SK_SKB_STREAM_PARSER);
+ err = bpf_prog_detach2(parse_prog, map_fd_rx, BPF_SK_SKB_STREAM_PARSER);
if (err) {
printf("Failed parser prog detach\n");
goto out_sockmap;
}
- err = bpf_prog_detach(map_fd_rx, BPF_SK_SKB_STREAM_VERDICT);
+ err = bpf_prog_detach2(verdict_prog, map_fd_rx, BPF_SK_SKB_STREAM_VERDICT);
if (err) {
printf("Failed parser prog detach\n");
goto out_sockmap;
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index 37695fc8096a..78789b27e573 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -85,6 +85,7 @@ int txmsg_ktls_skb_drop;
int txmsg_ktls_skb_redir;
int ktls;
int peek_flag;
+int skb_use_parser;
static const struct option long_options[] = {
{"help", no_argument, NULL, 'h' },
@@ -174,6 +175,7 @@ static void test_reset(void)
txmsg_apply = txmsg_cork = 0;
txmsg_ingress = txmsg_redir_skb = 0;
txmsg_ktls_skb = txmsg_ktls_skb_drop = txmsg_ktls_skb_redir = 0;
+ skb_use_parser = 0;
}
static int test_start_subtest(const struct _test *t, struct sockmap_options *o)
@@ -1211,6 +1213,11 @@ run:
}
}
+ if (skb_use_parser) {
+ i = 2;
+ err = bpf_map_update_elem(map_fd[7], &i, &skb_use_parser, BPF_ANY);
+ }
+
if (txmsg_drop)
options->drop_expected = true;
@@ -1650,6 +1657,16 @@ static void test_txmsg_cork(int cgrp, struct sockmap_options *opt)
test_send(opt, cgrp);
}
+static void test_txmsg_ingress_parser(int cgrp, struct sockmap_options *opt)
+{
+ txmsg_pass = 1;
+ skb_use_parser = 512;
+ opt->iov_length = 256;
+ opt->iov_count = 1;
+ opt->rate = 2;
+ test_exec(cgrp, opt);
+}
+
char *map_names[] = {
"sock_map",
"sock_map_txmsg",
@@ -1748,6 +1765,7 @@ struct _test test[] = {
{"txmsg test pull-data", test_txmsg_pull},
{"txmsg test pop-data", test_txmsg_pop},
{"txmsg test push/pop data", test_txmsg_push_pop},
+ {"txmsg text ingress parser", test_txmsg_ingress_parser},
};
static int check_whitelist(struct _test *t, struct sockmap_options *opt)
diff --git a/tools/testing/selftests/kmod/kmod.sh b/tools/testing/selftests/kmod/kmod.sh
index 3702dbcc90a7..c82aa77958e5 100755
--- a/tools/testing/selftests/kmod/kmod.sh
+++ b/tools/testing/selftests/kmod/kmod.sh
@@ -63,6 +63,8 @@ ALL_TESTS="$ALL_TESTS 0008:150:1"
ALL_TESTS="$ALL_TESTS 0009:150:1"
ALL_TESTS="$ALL_TESTS 0010:1:1"
ALL_TESTS="$ALL_TESTS 0011:1:1"
+ALL_TESTS="$ALL_TESTS 0012:1:1"
+ALL_TESTS="$ALL_TESTS 0013:1:1"
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
@@ -470,6 +472,38 @@ kmod_test_0011()
echo "$MODPROBE" > /proc/sys/kernel/modprobe
}
+kmod_check_visibility()
+{
+ local name="$1"
+ local cmd="$2"
+
+ modprobe $DEFAULT_KMOD_DRIVER
+
+ local priv=$(eval $cmd)
+ local unpriv=$(capsh --drop=CAP_SYSLOG -- -c "$cmd")
+
+ if [ "$priv" = "$unpriv" ] || \
+ [ "${priv:0:3}" = "0x0" ] || \
+ [ "${unpriv:0:3}" != "0x0" ] ; then
+ echo "${FUNCNAME[0]}: FAIL, $name visible to unpriv: '$priv' vs '$unpriv'" >&2
+ exit 1
+ else
+ echo "${FUNCNAME[0]}: OK!"
+ fi
+}
+
+kmod_test_0012()
+{
+ kmod_check_visibility /proc/modules \
+ "grep '^${DEFAULT_KMOD_DRIVER}\b' /proc/modules | awk '{print \$NF}'"
+}
+
+kmod_test_0013()
+{
+ kmod_check_visibility '/sys/module/*/sections/*' \
+ "cat /sys/module/${DEFAULT_KMOD_DRIVER}/sections/.*text | head -n1"
+}
+
list_tests()
{
echo "Test ID list:"
@@ -489,6 +523,8 @@ list_tests()
echo "0009 x $(get_test_count 0009) - multithreaded - push kmod_concurrent over max_modprobes for get_fs_type()"
echo "0010 x $(get_test_count 0010) - test nonexistent modprobe path"
echo "0011 x $(get_test_count 0011) - test completely disabling module autoloading"
+ echo "0012 x $(get_test_count 0012) - test /proc/modules address visibility under CAP_SYSLOG"
+ echo "0013 x $(get_test_count 0013) - test /sys/module/*/sections/* visibility under CAP_SYSLOG"
}
usage()
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 0ac49d91a260..862eee734553 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -36,7 +36,7 @@ struct ksft_count {
static struct ksft_count ksft_cnt;
static unsigned int ksft_plan;
-static inline int ksft_test_num(void)
+static inline unsigned int ksft_test_num(void)
{
return ksft_cnt.ksft_pass + ksft_cnt.ksft_fail +
ksft_cnt.ksft_xfail + ksft_cnt.ksft_xpass +
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index dee567f7576a..22dc2f3d428b 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -747,6 +747,19 @@ ipv6_fcnal_runtime()
run_cmd "$IP nexthop add id 86 via 2001:db8:91::2 dev veth1"
run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
+ # rpfilter and default route
+ $IP nexthop flush >/dev/null 2>&1
+ run_cmd "ip netns exec me ip6tables -t mangle -I PREROUTING 1 -m rpfilter --invert -j DROP"
+ run_cmd "$IP nexthop add id 91 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 92 via 2001:db8:92::2 dev veth3"
+ run_cmd "$IP nexthop add id 93 group 91/92"
+ run_cmd "$IP -6 ro add default nhid 91"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 0 "Nexthop with default route and rpfilter"
+ run_cmd "$IP -6 ro replace default nhid 93"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 0 "Nexthop with multipath default route and rpfilter"
+
# TO-DO:
# existing route with old nexthop; append route with new nexthop
# existing route with old nexthop; replace route with new
diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
index 663062701d5a..3e5ff29ee1dd 100755
--- a/tools/testing/selftests/tpm2/test_smoke.sh
+++ b/tools/testing/selftests/tpm2/test_smoke.sh
@@ -1,15 +1,10 @@
-#!/bin/bash
+#!/bin/sh
# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
-[ -f /dev/tpm0 ] || exit $ksft_skip
+[ -e /dev/tpm0 ] || exit $ksft_skip
-python -m unittest -v tpm2_tests.SmokeTest
-python -m unittest -v tpm2_tests.AsyncTest
-
-CLEAR_CMD=$(which tpm2_clear)
-if [ -n $CLEAR_CMD ]; then
- tpm2_clear -T device
-fi
+python3 -m unittest -v tpm2_tests.SmokeTest
+python3 -m unittest -v tpm2_tests.AsyncTest
diff --git a/tools/testing/selftests/tpm2/test_space.sh b/tools/testing/selftests/tpm2/test_space.sh
index 36c9d030a1c6..04c47b13fe8a 100755
--- a/tools/testing/selftests/tpm2/test_space.sh
+++ b/tools/testing/selftests/tpm2/test_space.sh
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
-[ -f /dev/tpmrm0 ] || exit $ksft_skip
+[ -e /dev/tpmrm0 ] || exit $ksft_skip
-python -m unittest -v tpm2_tests.SpaceTest
+python3 -m unittest -v tpm2_tests.SpaceTest
diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py
index d0fcb66a88a6..f34486cd7342 100644
--- a/tools/testing/selftests/tpm2/tpm2.py
+++ b/tools/testing/selftests/tpm2/tpm2.py
@@ -247,14 +247,14 @@ class ProtocolError(Exception):
class AuthCommand(object):
"""TPMS_AUTH_COMMAND"""
- def __init__(self, session_handle=TPM2_RS_PW, nonce='', session_attributes=0,
- hmac=''):
+ def __init__(self, session_handle=TPM2_RS_PW, nonce=bytes(),
+ session_attributes=0, hmac=bytes()):
self.session_handle = session_handle
self.nonce = nonce
self.session_attributes = session_attributes
self.hmac = hmac
- def __str__(self):
+ def __bytes__(self):
fmt = '>I H%us B H%us' % (len(self.nonce), len(self.hmac))
return struct.pack(fmt, self.session_handle, len(self.nonce),
self.nonce, self.session_attributes, len(self.hmac),
@@ -268,11 +268,11 @@ class AuthCommand(object):
class SensitiveCreate(object):
"""TPMS_SENSITIVE_CREATE"""
- def __init__(self, user_auth='', data=''):
+ def __init__(self, user_auth=bytes(), data=bytes()):
self.user_auth = user_auth
self.data = data
- def __str__(self):
+ def __bytes__(self):
fmt = '>H%us H%us' % (len(self.user_auth), len(self.data))
return struct.pack(fmt, len(self.user_auth), self.user_auth,
len(self.data), self.data)
@@ -296,8 +296,9 @@ class Public(object):
return '>HHIH%us%usH%us' % \
(len(self.auth_policy), len(self.parameters), len(self.unique))
- def __init__(self, object_type, name_alg, object_attributes, auth_policy='',
- parameters='', unique=''):
+ def __init__(self, object_type, name_alg, object_attributes,
+ auth_policy=bytes(), parameters=bytes(),
+ unique=bytes()):
self.object_type = object_type
self.name_alg = name_alg
self.object_attributes = object_attributes
@@ -305,7 +306,7 @@ class Public(object):
self.parameters = parameters
self.unique = unique
- def __str__(self):
+ def __bytes__(self):
return struct.pack(self.__fmt(),
self.object_type,
self.name_alg,
@@ -343,7 +344,7 @@ def get_algorithm(name):
def hex_dump(d):
d = [format(ord(x), '02x') for x in d]
- d = [d[i: i + 16] for i in xrange(0, len(d), 16)]
+ d = [d[i: i + 16] for i in range(0, len(d), 16)]
d = [' '.join(x) for x in d]
d = os.linesep.join(d)
@@ -401,7 +402,7 @@ class Client:
pcrsel_len = max((i >> 3) + 1, 3)
pcrsel = [0] * pcrsel_len
pcrsel[i >> 3] = 1 << (i & 7)
- pcrsel = ''.join(map(chr, pcrsel))
+ pcrsel = ''.join(map(chr, pcrsel)).encode()
fmt = '>HII IHB%us' % (pcrsel_len)
cmd = struct.pack(fmt,
@@ -443,7 +444,7 @@ class Client:
TPM2_CC_PCR_EXTEND,
i,
len(auth_cmd),
- str(auth_cmd),
+ bytes(auth_cmd),
1, bank_alg, dig)
self.send_cmd(cmd)
@@ -457,7 +458,7 @@ class Client:
TPM2_RH_NULL,
TPM2_RH_NULL,
16,
- '\0' * 16,
+ ('\0' * 16).encode(),
0,
session_type,
TPM2_ALG_NULL,
@@ -472,7 +473,7 @@ class Client:
for i in pcrs:
pcr = self.read_pcr(i, bank_alg)
- if pcr == None:
+ if pcr is None:
return None
x += pcr
@@ -489,7 +490,7 @@ class Client:
pcrsel = [0] * pcrsel_len
for i in pcrs:
pcrsel[i >> 3] |= 1 << (i & 7)
- pcrsel = ''.join(map(chr, pcrsel))
+ pcrsel = ''.join(map(chr, pcrsel)).encode()
fmt = '>HII IH%usIHB3s' % ds
cmd = struct.pack(fmt,
@@ -497,7 +498,8 @@ class Client:
struct.calcsize(fmt),
TPM2_CC_POLICY_PCR,
handle,
- len(dig), str(dig),
+ len(dig),
+ bytes(dig),
1,
bank_alg,
pcrsel_len, pcrsel)
@@ -534,7 +536,7 @@ class Client:
self.send_cmd(cmd)
- def create_root_key(self, auth_value = ''):
+ def create_root_key(self, auth_value = bytes()):
attributes = \
Public.FIXED_TPM | \
Public.FIXED_PARENT | \
@@ -570,11 +572,11 @@ class Client:
TPM2_CC_CREATE_PRIMARY,
TPM2_RH_OWNER,
len(auth_cmd),
- str(auth_cmd),
+ bytes(auth_cmd),
len(sensitive),
- str(sensitive),
+ bytes(sensitive),
len(public),
- str(public),
+ bytes(public),
0, 0)
return struct.unpack('>I', self.send_cmd(cmd)[10:14])[0]
@@ -587,7 +589,7 @@ class Client:
attributes = 0
if not policy_dig:
attributes |= Public.USER_WITH_AUTH
- policy_dig = ''
+ policy_dig = bytes()
auth_cmd = AuthCommand()
sensitive = SensitiveCreate(user_auth=auth_value, data=data)
@@ -608,11 +610,11 @@ class Client:
TPM2_CC_CREATE,
parent_key,
len(auth_cmd),
- str(auth_cmd),
+ bytes(auth_cmd),
len(sensitive),
- str(sensitive),
+ bytes(sensitive),
len(public),
- str(public),
+ bytes(public),
0, 0)
rsp = self.send_cmd(cmd)
@@ -635,7 +637,7 @@ class Client:
TPM2_CC_LOAD,
parent_key,
len(auth_cmd),
- str(auth_cmd),
+ bytes(auth_cmd),
blob)
data_handle = struct.unpack('>I', self.send_cmd(cmd)[10:14])[0]
@@ -653,7 +655,7 @@ class Client:
TPM2_CC_UNSEAL,
data_handle,
len(auth_cmd),
- str(auth_cmd))
+ bytes(auth_cmd))
try:
rsp = self.send_cmd(cmd)
@@ -675,7 +677,7 @@ class Client:
TPM2_CC_DICTIONARY_ATTACK_LOCK_RESET,
TPM2_RH_LOCKOUT,
len(auth_cmd),
- str(auth_cmd))
+ bytes(auth_cmd))
self.send_cmd(cmd)
@@ -693,7 +695,7 @@ class Client:
more_data, cap, cnt = struct.unpack('>BII', rsp[:9])
rsp = rsp[9:]
- for i in xrange(0, cnt):
+ for i in range(0, cnt):
handle = struct.unpack('>I', rsp[:4])[0]
handles.append(handle)
rsp = rsp[4:]
diff --git a/tools/testing/selftests/tpm2/tpm2_tests.py b/tools/testing/selftests/tpm2/tpm2_tests.py
index 728be7c69b76..9d764306887b 100644
--- a/tools/testing/selftests/tpm2/tpm2_tests.py
+++ b/tools/testing/selftests/tpm2/tpm2_tests.py
@@ -20,8 +20,8 @@ class SmokeTest(unittest.TestCase):
self.client.close()
def test_seal_with_auth(self):
- data = 'X' * 64
- auth = 'A' * 15
+ data = ('X' * 64).encode()
+ auth = ('A' * 15).encode()
blob = self.client.seal(self.root_key, data, auth, None)
result = self.client.unseal(self.root_key, blob, auth, None)
@@ -30,8 +30,8 @@ class SmokeTest(unittest.TestCase):
def test_seal_with_policy(self):
handle = self.client.start_auth_session(tpm2.TPM2_SE_TRIAL)
- data = 'X' * 64
- auth = 'A' * 15
+ data = ('X' * 64).encode()
+ auth = ('A' * 15).encode()
pcrs = [16]
try:
@@ -58,14 +58,15 @@ class SmokeTest(unittest.TestCase):
self.assertEqual(data, result)
def test_unseal_with_wrong_auth(self):
- data = 'X' * 64
- auth = 'A' * 20
+ data = ('X' * 64).encode()
+ auth = ('A' * 20).encode()
rc = 0
blob = self.client.seal(self.root_key, data, auth, None)
try:
- result = self.client.unseal(self.root_key, blob, auth[:-1] + 'B', None)
- except ProtocolError, e:
+ result = self.client.unseal(self.root_key, blob,
+ auth[:-1] + 'B'.encode(), None)
+ except ProtocolError as e:
rc = e.rc
self.assertEqual(rc, tpm2.TPM2_RC_AUTH_FAIL)
@@ -73,8 +74,8 @@ class SmokeTest(unittest.TestCase):
def test_unseal_with_wrong_policy(self):
handle = self.client.start_auth_session(tpm2.TPM2_SE_TRIAL)
- data = 'X' * 64
- auth = 'A' * 17
+ data = ('X' * 64).encode()
+ auth = ('A' * 17).encode()
pcrs = [16]
try:
@@ -91,7 +92,7 @@ class SmokeTest(unittest.TestCase):
# This should succeed.
ds = tpm2.get_digest_size(tpm2.TPM2_ALG_SHA1)
- self.client.extend_pcr(1, 'X' * ds)
+ self.client.extend_pcr(1, ('X' * ds).encode())
handle = self.client.start_auth_session(tpm2.TPM2_SE_POLICY)
@@ -108,7 +109,7 @@ class SmokeTest(unittest.TestCase):
# Then, extend a PCR that is part of the policy and try to unseal.
# This should fail.
- self.client.extend_pcr(16, 'X' * ds)
+ self.client.extend_pcr(16, ('X' * ds).encode())
handle = self.client.start_auth_session(tpm2.TPM2_SE_POLICY)
@@ -119,7 +120,7 @@ class SmokeTest(unittest.TestCase):
self.client.policy_password(handle)
result = self.client.unseal(self.root_key, blob, auth, handle)
- except ProtocolError, e:
+ except ProtocolError as e:
rc = e.rc
self.client.flush_context(handle)
except:
@@ -130,13 +131,13 @@ class SmokeTest(unittest.TestCase):
def test_seal_with_too_long_auth(self):
ds = tpm2.get_digest_size(tpm2.TPM2_ALG_SHA1)
- data = 'X' * 64
- auth = 'A' * (ds + 1)
+ data = ('X' * 64).encode()
+ auth = ('A' * (ds + 1)).encode()
rc = 0
try:
blob = self.client.seal(self.root_key, data, auth, None)
- except ProtocolError, e:
+ except ProtocolError as e:
rc = e.rc
self.assertEqual(rc, tpm2.TPM2_RC_SIZE)
@@ -152,7 +153,7 @@ class SmokeTest(unittest.TestCase):
0xDEADBEEF)
self.client.send_cmd(cmd)
- except IOError, e:
+ except IOError as e:
rejected = True
except:
pass
@@ -212,7 +213,7 @@ class SmokeTest(unittest.TestCase):
self.client.tpm.write(cmd)
rsp = self.client.tpm.read()
- except IOError, e:
+ except IOError as e:
# read the response
rsp = self.client.tpm.read()
rejected = True
@@ -283,7 +284,7 @@ class SpaceTest(unittest.TestCase):
rc = 0
try:
space1.send_cmd(cmd)
- except ProtocolError, e:
+ except ProtocolError as e:
rc = e.rc
self.assertEqual(rc, tpm2.TPM2_RC_COMMAND_CODE |
diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile
index 5f16821c7f63..d2796ea98c5a 100644
--- a/tools/testing/selftests/x86/Makefile
+++ b/tools/testing/selftests/x86/Makefile
@@ -70,10 +70,10 @@ all_64: $(BINARIES_64)
EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64)
-$(BINARIES_32): $(OUTPUT)/%_32: %.c
+$(BINARIES_32): $(OUTPUT)/%_32: %.c helpers.h
$(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
-$(BINARIES_64): $(OUTPUT)/%_64: %.c
+$(BINARIES_64): $(OUTPUT)/%_64: %.c helpers.h
$(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
# x86_64 users should be encouraged to install 32-bit libraries
diff --git a/tools/testing/selftests/x86/helpers.h b/tools/testing/selftests/x86/helpers.h
new file mode 100644
index 000000000000..f5ff2a2615df
--- /dev/null
+++ b/tools/testing/selftests/x86/helpers.h
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#ifndef __SELFTESTS_X86_HELPERS_H
+#define __SELFTESTS_X86_HELPERS_H
+
+#include <asm/processor-flags.h>
+
+static inline unsigned long get_eflags(void)
+{
+ unsigned long eflags;
+
+ asm volatile (
+#ifdef __x86_64__
+ "subq $128, %%rsp\n\t"
+ "pushfq\n\t"
+ "popq %0\n\t"
+ "addq $128, %%rsp"
+#else
+ "pushfl\n\t"
+ "popl %0"
+#endif
+ : "=r" (eflags) :: "memory");
+
+ return eflags;
+}
+
+static inline void set_eflags(unsigned long eflags)
+{
+ asm volatile (
+#ifdef __x86_64__
+ "subq $128, %%rsp\n\t"
+ "pushq %0\n\t"
+ "popfq\n\t"
+ "addq $128, %%rsp"
+#else
+ "pushl %0\n\t"
+ "popfl"
+#endif
+ :: "r" (eflags) : "flags", "memory");
+}
+
+#endif /* __SELFTESTS_X86_HELPERS_H */
diff --git a/tools/testing/selftests/x86/single_step_syscall.c b/tools/testing/selftests/x86/single_step_syscall.c
index 1063328e275c..120ac741fe44 100644
--- a/tools/testing/selftests/x86/single_step_syscall.c
+++ b/tools/testing/selftests/x86/single_step_syscall.c
@@ -31,6 +31,8 @@
#include <sys/ptrace.h>
#include <sys/user.h>
+#include "helpers.h"
+
static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
int flags)
{
@@ -67,21 +69,6 @@ static unsigned char altstack_data[SIGSTKSZ];
# define INT80_CLOBBERS
#endif
-static unsigned long get_eflags(void)
-{
- unsigned long eflags;
- asm volatile ("pushf" WIDTH "\n\tpop" WIDTH " %0" : "=rm" (eflags));
- return eflags;
-}
-
-static void set_eflags(unsigned long eflags)
-{
- asm volatile ("push" WIDTH " %0\n\tpopf" WIDTH
- : : "rm" (eflags) : "flags");
-}
-
-#define X86_EFLAGS_TF (1UL << 8)
-
static void sigtrap(int sig, siginfo_t *info, void *ctx_void)
{
ucontext_t *ctx = (ucontext_t*)ctx_void;
diff --git a/tools/testing/selftests/x86/syscall_arg_fault.c b/tools/testing/selftests/x86/syscall_arg_fault.c
index bc0ecc2e862e..5b7abebbcbb9 100644
--- a/tools/testing/selftests/x86/syscall_arg_fault.c
+++ b/tools/testing/selftests/x86/syscall_arg_fault.c
@@ -15,30 +15,11 @@
#include <setjmp.h>
#include <errno.h>
-#ifdef __x86_64__
-# define WIDTH "q"
-#else
-# define WIDTH "l"
-#endif
+#include "helpers.h"
/* Our sigaltstack scratch space. */
static unsigned char altstack_data[SIGSTKSZ];
-static unsigned long get_eflags(void)
-{
- unsigned long eflags;
- asm volatile ("pushf" WIDTH "\n\tpop" WIDTH " %0" : "=rm" (eflags));
- return eflags;
-}
-
-static void set_eflags(unsigned long eflags)
-{
- asm volatile ("push" WIDTH " %0\n\tpopf" WIDTH
- : : "rm" (eflags) : "flags");
-}
-
-#define X86_EFLAGS_TF (1UL << 8)
-
static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
int flags)
{
diff --git a/tools/testing/selftests/x86/syscall_nt.c b/tools/testing/selftests/x86/syscall_nt.c
index 02309a195041..a108b80dd082 100644
--- a/tools/testing/selftests/x86/syscall_nt.c
+++ b/tools/testing/selftests/x86/syscall_nt.c
@@ -13,29 +13,11 @@
#include <signal.h>
#include <err.h>
#include <sys/syscall.h>
-#include <asm/processor-flags.h>
-#ifdef __x86_64__
-# define WIDTH "q"
-#else
-# define WIDTH "l"
-#endif
+#include "helpers.h"
static unsigned int nerrs;
-static unsigned long get_eflags(void)
-{
- unsigned long eflags;
- asm volatile ("pushf" WIDTH "\n\tpop" WIDTH " %0" : "=rm" (eflags));
- return eflags;
-}
-
-static void set_eflags(unsigned long eflags)
-{
- asm volatile ("push" WIDTH " %0\n\tpopf" WIDTH
- : : "rm" (eflags) : "flags");
-}
-
static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
int flags)
{
@@ -59,6 +41,7 @@ static void do_it(unsigned long extraflags)
set_eflags(get_eflags() | extraflags);
syscall(SYS_getpid);
flags = get_eflags();
+ set_eflags(X86_EFLAGS_IF | X86_EFLAGS_FIXED);
if ((flags & extraflags) == extraflags) {
printf("[OK]\tThe syscall worked and flags are still set\n");
} else {
@@ -73,6 +56,12 @@ int main(void)
printf("[RUN]\tSet NT and issue a syscall\n");
do_it(X86_EFLAGS_NT);
+ printf("[RUN]\tSet AC and issue a syscall\n");
+ do_it(X86_EFLAGS_AC);
+
+ printf("[RUN]\tSet NT|AC and issue a syscall\n");
+ do_it(X86_EFLAGS_NT | X86_EFLAGS_AC);
+
/*
* Now try it again with TF set -- TF forces returns via IRET in all
* cases except non-ptregs-using 64-bit full fast path syscalls.
@@ -80,8 +69,28 @@ int main(void)
sethandler(SIGTRAP, sigtrap, 0);
+ printf("[RUN]\tSet TF and issue a syscall\n");
+ do_it(X86_EFLAGS_TF);
+
printf("[RUN]\tSet NT|TF and issue a syscall\n");
do_it(X86_EFLAGS_NT | X86_EFLAGS_TF);
+ printf("[RUN]\tSet AC|TF and issue a syscall\n");
+ do_it(X86_EFLAGS_AC | X86_EFLAGS_TF);
+
+ printf("[RUN]\tSet NT|AC|TF and issue a syscall\n");
+ do_it(X86_EFLAGS_NT | X86_EFLAGS_AC | X86_EFLAGS_TF);
+
+ /*
+ * Now try DF. This is evil and it's plausible that we will crash
+ * glibc, but glibc would have to do something rather surprising
+ * for this to happen.
+ */
+ printf("[RUN]\tSet DF and issue a syscall\n");
+ do_it(X86_EFLAGS_DF);
+
+ printf("[RUN]\tSet TF|DF and issue a syscall\n");
+ do_it(X86_EFLAGS_TF | X86_EFLAGS_DF);
+
return nerrs == 0 ? 0 : 1;
}
diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/selftests/x86/test_vsyscall.c
index a4f4d4cf22c3..c41f24b517f4 100644
--- a/tools/testing/selftests/x86/test_vsyscall.c
+++ b/tools/testing/selftests/x86/test_vsyscall.c
@@ -20,6 +20,8 @@
#include <setjmp.h>
#include <sys/uio.h>
+#include "helpers.h"
+
#ifdef __x86_64__
# define VSYS(x) (x)
#else
@@ -493,21 +495,8 @@ static int test_process_vm_readv(void)
}
#ifdef __x86_64__
-#define X86_EFLAGS_TF (1UL << 8)
static volatile sig_atomic_t num_vsyscall_traps;
-static unsigned long get_eflags(void)
-{
- unsigned long eflags;
- asm volatile ("pushfq\n\tpopq %0" : "=rm" (eflags));
- return eflags;
-}
-
-static void set_eflags(unsigned long eflags)
-{
- asm volatile ("pushq %0\n\tpopfq" : : "rm" (eflags) : "flags");
-}
-
static void sigtrap(int sig, siginfo_t *info, void *ctx_void)
{
ucontext_t *ctx = (ucontext_t *)ctx_void;
diff --git a/tools/testing/selftests/x86/unwind_vdso.c b/tools/testing/selftests/x86/unwind_vdso.c
index 0075ccd65407..4c311e1af4c7 100644
--- a/tools/testing/selftests/x86/unwind_vdso.c
+++ b/tools/testing/selftests/x86/unwind_vdso.c
@@ -11,6 +11,8 @@
#include <features.h>
#include <stdio.h>
+#include "helpers.h"
+
#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 16
int main()
@@ -53,27 +55,6 @@ static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
err(1, "sigaction");
}
-#ifdef __x86_64__
-# define WIDTH "q"
-#else
-# define WIDTH "l"
-#endif
-
-static unsigned long get_eflags(void)
-{
- unsigned long eflags;
- asm volatile ("pushf" WIDTH "\n\tpop" WIDTH " %0" : "=rm" (eflags));
- return eflags;
-}
-
-static void set_eflags(unsigned long eflags)
-{
- asm volatile ("push" WIDTH " %0\n\tpopf" WIDTH
- : : "rm" (eflags) : "flags");
-}
-
-#define X86_EFLAGS_TF (1UL << 8)
-
static volatile sig_atomic_t nerrs;
static unsigned long sysinfo;
static bool got_sysinfo = false;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index a852af5c3214..0a68c9d3d3ab 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3350,7 +3350,8 @@ static long kvm_vcpu_compat_ioctl(struct file *filp,
if (kvm_sigmask.len != sizeof(compat_sigset_t))
goto out;
r = -EFAULT;
- if (get_compat_sigset(&sigset, (void *)sigmask_arg->sigset))
+ if (get_compat_sigset(&sigset,
+ (compat_sigset_t __user *)sigmask_arg->sigset))
goto out;
r = kvm_vcpu_ioctl_set_sigmask(vcpu, &sigset);
} else