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Commit 046d662f4818 "coredump: make core dump functionality optional"
made the coredump optional, but didn't update the spufs code that
depends on it. That leads to build errors such as:
arch/powerpc/platforms/built-in.o: In function `.spufs_arch_write_note':
coredump.c:(.text+0x22cd4): undefined reference to `.dump_emit'
coredump.c:(.text+0x22cf4): undefined reference to `.dump_emit'
coredump.c:(.text+0x22d0c): undefined reference to `.dump_align'
coredump.c:(.text+0x22d48): undefined reference to `.dump_emit'
coredump.c:(.text+0x22e7c): undefined reference to `.dump_skip'
Fix it by adding some ifdefs in the cell code.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild fixes from Michal Marek:
"Three more fixes for the relative build dir feature:
- Shut up make -s again
- Fix for rpm/deb/tar-pkg with O=<subdir>
- Fix for CONFIG_EXTRA_FIRMWARE"
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
firmware: Create directories for external firmware
kbuild: Fix packaging targets with relative $(srctree)
kbuild: Do not print the build directory with make -s
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are a few regression fixes for ACPI device enumeration and
resources management, intel_pstate and cpufreq, a revert of an ACPI
commit removing user space interfaces in /proc that we incorrectly
thought were not used any more, fixes for some long-standing
concurrency issues in the ACPI EC driver, two ACPI battery driver
fixes, stable-candidate fixes for intel_pstate, an ACPI-related fix
for i915 and two new ACPI video blacklist entries for Win8-oriented
BIOSes.
Specifics:
- Missing device ID for ACPI enumeration of PNP devices that we
overlooked during the recent rework of that code from Zhang Rui.
- Fix for a problem introduced during the 3.14 cycle in the ACPI
device resources management code and causing it to reject all
resources of length 0 although some of them are actually valid
which affects serial ports detection on a number of systems. From
Andy Whitcroft.
- intel_pstate fix for a boot problem on some BayTrail-based systems
introduced by a previous fix related to that platform during the
3.13 cycle from Dirk Brandewie.
- Revert of a 3.13 commit that removed the ACPI AC /proc interface
which turns out to be still needed by some old utilities
(kpowersave from kde 3.5.10 in particular) from Lan Tianyu.
- cpufreq build fix for the davinci ARM platform from Prabhakar Lad
(the breakage was introduced during the 3.10 cycle).
- ACPI-related i915 fix preventing firmware on some Thinkpad laptops
from setting backlight levels incorrectly during AC plug/unplug.
From Aaron Lu.
- Fixes for two nasty race conditions in the ACPI embedded controller
driver that may be responsible for a number of past bug reports
related to the EC from Lv Zhang and a fix for two memory leaks in
error code paths in that driver from Colin Ian King.
- Fixes for a couple of corner-case issues in the intel_pstate driver
(all candidates for -stable) from Dirk Brandewie and Vincent Minet.
- Fixes for two corner-case issues in the ACPI battery driver from
Josef Gajdusek and Lan Tianyu.
- Two new ACPI video blacklist entries for Acer TravelMate B113 and
Dell Inspiron 5737 from Edward Lin and Martin Kepplinger"
* tag 'pm+acpi-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PNP: add soc_button_array device ID to PNP IDs list
cpufreq: Makefile: fix compilation for davinci platform
ACPI / video: Add Acer TravelMate B113 to native backlight blacklist
ACPI / video: Add Dell Inspiron 5737 to the blacklist
ACPI / i915: ignore firmware requests for backlight change
ACPI / battery: fix wrong value of capacity_now reported when fully charged
ACPI / resources: only reject zero length resources based at address zero
ACPI / battery: Retry to get battery information if failed during probing
ACPI / EC: Free saved_ec on error exit path
ACPI / EC: Add detailed fields debugging support of EC_SC(R).
ACPI / EC: Update revision due to recent changes
ACPI / EC: Fix race condition in ec_transaction_completed()
ACPI / EC: Remove duplicated ec_wait_ibf0() waiter
ACPI / EC: Add asynchronous command byte write support
ACPI / EC: Avoid race condition related to advance_transaction()
intel_pstate: Set CPU number before accessing MSRs
intel_pstate: Update documentation of {max,min}_perf_pct sysfs files
intel_pstate: don't touch turbo bit if turbo disabled or unavailable.
intel_pstate: Fix setting VID
Revert "ACPI / AC: Remove AC's proc directory."
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into drm-fixes
This new request drops the pageflipping fixes for now. Just a few small
fixes for dpm, DP, and a fix for a hang on boot evergreen.
* 'drm-fixes-3.16' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/dpm: Reenabling SS on Cayman
drm/radeon: fix typo in ci_stop_dpm()
drm/radeon: fix typo in golden register setup on evergreen
drm/radeon: only print meaningful VM faults
drm/radeon/dp: return -EIO for flags not zero case
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Replace open-coded test for empty tx ring buffer with equivalent
helper function, uart_circ_empty(). No functional change.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 717f3bbab3c7628736ef738fdbf3d9a28578c26c,
'serial_core: Fix conditional start_tx on ring buffer not empty'
exposes an incorrect assumption in several drivers' start_tx methods;
the tx ring buffer can, in fact, be empty when restarting tx while
performing flow control.
Affected drivers:
sunsab.c
ip22zilog.c
pmac_zilog.c
sunzilog.c
m32r_sio.c
imx.c
Other in-tree serial drivers either are not affected or already
test for empty tx ring buffer before transmitting.
Test for empty tx ring buffer in start_tx() method, after transmitting
x_char (if applicable).
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Seth Bollinger <sethb@digi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Cc: stable <stable@vger.kernel.org> # 3.15
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently, the exynos cpuidle driver works correctly only on exynos4210
and 5250. Trying to use it with just one CPU online on any other exynos
SoCs will lead to system failure, due to unsupported AFTR mode on other
SoCs. This patch fixes the problem by registering the driver only on
supported SoCs and letting others simply use default WFI mode until
support for them is added.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Relying on static functions used just once to get inlined (and
subsequently have dead code paths eliminated) is wrong: Compilers are
free to decide whether they do this, regardless of optimization level.
With this not happening for vdso_addr() (observed with gcc 4.1.x), an
unresolved reference to align_vdso_addr() causes the build to fail.
[ hpa: vdso_addr() is never actually used on x86-32, as calculate_addr
in map_vdso() is always false. It ought to be possible to clean
this up further, but this fixes the immediate problem. ]
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Link: http://lkml.kernel.org/r/53B5863B02000078000204D5@mail.emea.novell.com
Acked-by: Andy Lutomirski <luto@amacapital.net>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Adding the optional clock property for the mfc_pd for
handling the re-parenting while pd on/off.
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Adds IDs for MUX clocks to be used by power domain for MFC
for doing re-parenting while pd on/off.
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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While powering on/off a local powerdomain in exynos5 chipsets, the
input clocks to each device gets modified. This behaviour is based
on the SYSCLK_SYS_PWR_REG registers.
E.g. SYSCLK_MFC_SYS_PWR_REG = 0x0, the parent of input clock to MFC
(aclk333) gets modified to oscclk
= 0x1, no change in clocks.
The recommended value of SYSCLK_SYS_PWR_REG before power gating any
domain is 0x0. So we must also restore the clocks while powering on
a domain everytime.
This patch adds the framework for getting the required mux and parent
clocks through a power domain device node. With this patch, while
powering off a domain, parent is set to oscclk and while powering back
on, its re-set to the correct parent which is as per the recommended
pd on/off sequence.
Signed-off-by: Prathyush K <prathyush.k@samsung.com>
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Certain ld versions (observed with 2.20.0) put an empty .rela.dyn
section into shared object files, breaking the assumption on the number
of sections to be copied to the final output. Simply discard any empty
SHT_REL and SHT_RELA sections to address this.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Link: http://lkml.kernel.org/r/53B5861E02000078000204D1@mail.emea.novell.com
Acked-by: Andy Lutomirski <luto@amacapital.net>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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It reverts commit c745fe611ca42295c9d91d8e305d27983e9132ef now that
Cayman is stable since VDDCI fix. Spread spectrum was not the culprit.
This depends on b0880e87c1fd038b84498944f52e52c3e86ebe59
(drm/radeon/dpm: fix vddci setup typo on cayman).
Signed-off-by: Alexandre Demers <alexandre.f.demers@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Need to use the RREG32_SMC() accessor since the register
is an smc indirect index.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Fixes hangs on driver load on some cards.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=76998
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If there are error flags in the aux transaction return
-EIO rather than -EBUSY. -EIO restarts the whole transaction
while -EBUSY jus retries. Fixes problematic aux transfers.
Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=80684
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "omap fixes against v3.16-rc4" from Tony Lindgren:
Fixes for omaps for the -rc series. It's mostly fixes for clock rates,
restart handling and phy regulators and SATA interconnect data.
Also few build fixes related to the DSP driver in staging, and trivial
stuff like removal of broken and soon to be unused platform data init
for HDMI audio that would be good to get into the -rc series if not
too late.
* tag 'omap-for-v3.16/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Remove non working OMAP HDMI audio initialization
ARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA.
ARM: dts: am335x-evmsk: Enable the McASP FIFO for audio
ARM: dts: am335x-evm: Enable the McASP FIFO for audio
ARM: OMAP2+: Make GPMC skip disabled devices
ARM: OMAP2+: create dsp device only on OMAP3 SoCs
ARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always on
ARM: DRA7/AM43XX: fix header definition for omap44xx_restart
ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow
ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss
ARM: DRA7: hwmod: Fixup SATA hwmod
ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver
ARM: dts: dra7xx-clocks: Fix the l3 and l4 clock rates
Signed-off-by: Olof Johansson <olof@lixom.net>
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Commit e80991773 ("dm mpath: push back requests instead of queueing")
modified multipath_busy() to return true if !pg_ready(). pg_ready()
checks the current state of the multipath device and may return false
even if a new IO is needed to change the state.
Bart Van Assche reported that he had multipath IO lockup when he was
performing cable pull tests. Analysis showed that the multipath
device had a single path group with both paths active, but that the
path group itself was not active. During the multipath device state
transitions 'queue_io' got set but nothing could clear it. Clearing
'queue_io' only happens in __choose_pgpath(), but it won't be called
if multipath_busy() returns true due to pg_ready() returning false
when 'queue_io' is set.
As such the !pg_ready() check in multipath_busy() is wrong because new
IO will not be sent to multipath target and the multipath state change
won't happen. That results in multipath IO lockup.
The intent of multipath_busy() is to avoid unnecessary cycles of
dequeue + request_fn + requeue if it is known that the multipath
device will requeue.
Such "busy" situations would be:
- path group is being activated
- there is no path and the multipath is setup to requeue if no path
Fix multipath_busy() to return "busy" early only for these specific
situations.
Reported-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # v3.15
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There's a race condition between the atomic_dec_and_test(&io->count)
in dec_count() and the waking of the sync_io() thread. If the thread
is spuriously woken immediately after the decrement it may exit,
making the on stack io struct invalid, yet the dec_count could still
be using it.
Fix this race by using a completion in sync_io() and dec_count().
Reported-by: Minfei Huang <huangminfei@ucloud.cn>
Signed-off-by: Joe Thornber <thornber@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
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Signed-off-by: Jana Saout <jana@saout.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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The commit 2c140a246dc ("dm: allow remove to be deferred") introduced a
deferred removal feature for the device mapper. When this feature is
used (by passing a flag DM_DEFERRED_REMOVE to DM_DEV_REMOVE_CMD ioctl)
and the user tries to remove a device that is currently in use, the
device will be removed automatically in the future when the last user
closes it.
Device mapper used the system workqueue to perform deferred removals.
However, some targets (dm-raid1, dm-mpath, dm-stripe) flush work items
scheduled for the system workqueue from their destructor. If the
destructor itself is called from the system workqueue during deferred
removal, it introduces a possible deadlock - the workqueue tries to flush
itself.
Fix this possible deadlock by introducing a new workqueue for deferred
removals. We allocate just one workqueue for all dm targets. The
ability of dm targets to process IOs isn't dependent on deferred removal
of unused targets, so a deadlock due to shared workqueue isn't possible.
Also, cleanup local_init() to eliminate potential for returning success
on failure.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 3.13+
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* pm-cpufreq:
cpufreq: Makefile: fix compilation for davinci platform
intel_pstate: Set CPU number before accessing MSRs
intel_pstate: Update documentation of {max,min}_perf_pct sysfs files
intel_pstate: don't touch turbo bit if turbo disabled or unavailable.
intel_pstate: Fix setting VID
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* acpi-video:
ACPI / video: Add Acer TravelMate B113 to native backlight blacklist
ACPI / video: Add Dell Inspiron 5737 to the blacklist
ACPI / i915: ignore firmware requests for backlight change
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* acpi-ec:
ACPI / EC: Free saved_ec on error exit path
ACPI / EC: Add detailed fields debugging support of EC_SC(R).
ACPI / EC: Update revision due to recent changes
ACPI / EC: Fix race condition in ec_transaction_completed()
ACPI / EC: Remove duplicated ec_wait_ibf0() waiter
ACPI / EC: Add asynchronous command byte write support
ACPI / EC: Avoid race condition related to advance_transaction()
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* acpi-resources:
ACPI / resources: only reject zero length resources based at address zero
* acpi-ac:
Revert "ACPI / AC: Remove AC's proc directory."
* acpi-scan:
ACPI / PNP: add soc_button_array device ID to PNP IDs list
* acpi-battery:
ACPI / battery: fix wrong value of capacity_now reported when fully charged
ACPI / battery: Retry to get battery information if failed during probing
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"Nothing too interesting. All fixes are ahci_platform related"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci_xgene: fix the dma state machine lockup for the IDENTIFY DEVICE PIO mode command.
libahci: export ahci_qc_issue() and ahci_start_fix_rx()
ata: ahci_imx: warn when disabling ahci link
ahci: disable ncq feature for hisilicon sata
ahci: imx: manage only sata_ref_clk in imx_sata_enable[disable]
libahci_platform: Fail when PHY required but PHY support disabled
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
"Mostly fixes for the fallouts from the recent cgroup core changes.
The decoupled nature of cgroup dynamic hierarchy management
(hierarchies are created dynamically on mount but may or may not be
reused once unmounted depending on remaining usages) led to more
ugliness being added to kernfs.
Hopefully, this is the last of it"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cpuset: break kernfs active protection in cpuset_write_resmask()
cgroup: fix a race between cgroup_mount() and cgroup_kill_sb()
kernfs: introduce kernfs_pin_sb()
cgroup: fix mount failure in a corner case
cpuset,mempolicy: fix sleeping function called from invalid context
cgroup: fix broken css_has_online_children()
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fixes from Tejun Heo:
"Two workqueue fixes. Both are one liners. One fixes missing uevent
for workqueue files on sysfs. The other one fixes missing zeroing of
NUMA cpu masks which can lead to oopses among other things"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: zero cpumask of wq_numa_possible_cpumask on init
workqueue: fix dev_set_uevent_suppress() imbalance
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu fix from Tejun Heo:
"One patch to fix a typo in percpu section name. Given how long the
bug has been there and that there hasn't been any report of brekage,
it's unlikely to cause actual issues"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
core: fix typo in percpu read_mostly section
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c build fix and cleanup from Wolfram Sang:
"One buildfix for the i2c subsystem. While here, I decided to add the
header cleanup as well"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: sun6i-p2wi: Remove duplicate inclusion of module.h
i2c: mux: pca954x: fix dependencies
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Pull crypto fixes from Herbert Xu:
"This push fixes an error in sha512_ssse3 that leads to incorrect
output as well as a memory leak in caam_jr when the module is
unloaded"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: caam - fix memleak in caam_jr module
crypto: sha512_ssse3 - fix byte count to bit count conversion
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This patch fixes a memory leak that appears when caam_jr module is unloaded.
Cc: <stable@vger.kernel.org> # 3.13+
Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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My enhancement to store the initial mapping size for later reuse in commit
486df8bc4627bdfc032d11bedcd056cc5343ee62 ("m68k: Increase initial mapping
to 8 or 16 MiB if possible") broke booting on machines where RAM doesn't
start at address zero.
Use pc-relative addressing to fix this.
Reported-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Andreas Schwab <schwab@linux-m68k.org>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Fixes for regressions and black screens, cc: stable where applicapable
(the last minute rebase was to sprinkle missing stable tags). A bit more
than what I'd wish for, but excluding vlv and that the first 3 patches are
just quirks for 1 regression it looks much better.
There's still a "oops, lost dithering" issue on older platforms open. I'm
working on a fix for that now but didn't want to delay this pile.
* tag 'drm-intel-fixes-2014-07-09' of git://anongit.freedesktop.org/drm-intel:
drm/i915/vlv: T12 eDP panel timing enforcement during reboot
drm/i915: Only unbind vgacon, not other console drivers
drm/i915: Don't clobber the GTT when it's within stolen memory
drm/i915/vlv: Update the DSI ULPS entry/exit sequence
drm/i915/vlv: DPI FIFO empty check is not needed
drm/i915: Toshiba CB35 has a controllable backlight
drm/i915: Acer C720 and C720P have controllable backlights
drm/i915: quirk asserts controllable backlight presence, overriding VBT
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
A couple of DP regression fixes, kepler memory reclocking fixes, and a fix for an annoying display issue that can pop up on resume.
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/ram: fix test for gpio presence
drm/nouveau/dp: workaround broken display
drm/nouveau/dp: fix required link bandwidth calculations
drm/nouveau/kms: restore fbcon after display has been resumed
drm/nv50-/kms: pass a non-zero value for head to sor dpms methods
drm/nouveau/fb: Prevent inlining of ramfuc_reg
drm/gk104/ram: bash mpll bit 31 on
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Commit f36fdb9f0266 (i8k: Force SMM to run on CPU 0) adds support
for multi-core CPUs to the driver. Unfortunately, that causes it
to fail loading if compiled without SMP support, at least on
32 bit kernels. Kernel log shows "i8k: unable to get SMM Dell
signature", and function i8k_smm is found to return -EINVAL.
Testing revealed that the culprit is the missing return value check
of set_cpus_allowed_ptr.
Fixes: f36fdb9f0266 (i8k: Force SMM to run on CPU 0)
Reported-by: Jim Bos <jim876@xs4all.nl>
Tested-by: Jim Bos <jim876@xs4all.nl>
Cc: stable@vger.kernel.org # 3.14+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Andreas Mohr <andi@lisas.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds PID 0x0003 to the VID 0x128d (Testo). At least the
Testo 435-4 uses this, likely other gear as well.
Signed-off-by: Bert Vermeulen <bert@biot.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Just a fix for the device reset path and an email address update.
Virtualization
- Fix "wait for pending transactions" for PCI AF reset (Alex
Williamson)
Miscellaneous
- Update mx6 PCI driver maintainer email (Fabio Estevam)"
* tag 'pci-v3.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
MAINTAINERS: Update mx6 PCI driver maintainer's email
PCI: Fix unaligned access in AF transaction pending test
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Add code to poll the channel since we process only one message
at a time and the host may not interrupt us. Also increase the
receive buffer size since some KVP messages are close to 8K bytes in size.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Starting with Win8, we have implemented several optimizations to improve the
scalability and performance of the VMBUS transport between the Host and the
Guest. Some of the non-performance critical services cannot leverage these
optimization since they only read and process one message at a time.
Make adjustments to the callback dispatch code to account for the way
non-performance critical drivers handle reading of the channel.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v3.16-rc5
Here are some USB-serial updates for v3.16-rc5 that add two new device IDs.
Signed-off-by: Johan Hovold <johan@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs bugfixes from Jaegeuk Kim:
"This includes a couple of bug fixes found by xfstests. In addition,
one critical bug was reported by Brian Chadwick, which is falling into
the infinite loop in balance_dirty_pages. And it turned out due to
the IO merging policy in f2fs, which was newly merged in 3.16.
- fix normal and recovery path for fallocated regions
- fix error case mishandling
- recover renamed fsync inodes correctly
- fix to get out of infinite loops in balance_dirty_pages
- fix kernel NULL pointer error"
* tag 'f2fs-fixes-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: avoid to access NULL pointer in issue_flush_thread
f2fs: check bdi->dirty_exceeded when trying to skip data writes
f2fs: do checkpoint for the renamed inode
f2fs: release new entry page correctly in error path of f2fs_rename
f2fs: fix error path in init_inode_metadata
f2fs: check lower bound nid value in check_nid_range
f2fs: remove unused variables in f2fs_sm_info
f2fs: fix not to allocate unnecessary blocks during fallocate
f2fs: recover fallocated data and its i_size together
f2fs: fix to report newly allocate region as extent
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Commit 5180d5f4 ("firmware: Simplify directory creation") broke
including firmware specified in CONFIG_EXTRA_FIRMWARE:
MK_FW firmware/amd-ucode/microcode_amd.bin.gen.S
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
...
firmware/Makefile:185: recipe for target
'firmware/amd-ucode/microcode_amd.bin.gen.S' failed
It works with O= builds, because the directory is created by
Makefile.build. Create the directory in firmware/Makefile in non-O
builds.
Reported-and-tested-by: Ronald Uitermark <ronald645@gmail.com>
Reported-and-tested-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=75861
Denis 2014-05-10 11:28:59 UTC reported:
"F2FS-fs (mmcblk0p28): mounting..
Unable to handle kernel NULL pointer dereference at virtual address 00000018
...
[<c0a2f678>] (_raw_spin_lock+0x3c/0x70) from [<c03a0330>] (issue_flush_thread+0x50/0x17c)
[<c03a0330>] (issue_flush_thread+0x50/0x17c) from [<c01b4064>] (kthread+0x98/0xa4)
[<c01b4064>] (kthread+0x98/0xa4) from [<c0108060>] (kernel_thread_exit+0x0/0x8)"
This patch assign cmd_control_info in sm_info before issue_flush_thread is being
created, so this make sure that issue flush thread will have no chance to access
invalid info in fcc.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Reviewed-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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If we don't check the current backing device status, balance_dirty_pages can
fall into infinite pausing routine.
This can be occurred when a lot of directories make a small number of dirty
dentry pages including files.
Reported-by: Brian Chadwick <brianchad@westnet.com.au>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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If an inode is renamed, it should be registered as file_lost_pino to conduct
checkpoint at f2fs_sync_file.
Otherwise, the inode cannot be recovered due to no dent_mark in the following
scenario.
Note that, this scenario is from xfstests/322.
1. create "a"
2. fsync "a"
3. rename "a" to "b"
4. fsync "b"
5. Sudden power-cut
After recovery is done, "b" should be seen.
However, the result shows "a", since the recovery procedure does not enter
recover_dentry due to no dent_mark.
The reason is like below.
- The nid of "a" is checkpointed during #2, f2fs_sync_file.
- The inode page for "b" produced by #3 is written without dent_mark by
sync_node_pages.
So, this patch fixes this bug by assinging file_lost_pino to the "a"'s inode.
If the pino is lost, f2fs_sync_file conducts checkpoint, and then recovers
the latest pino and its dentry information for further recovery.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch correct releasing code of new_page to avoid BUG_ON in error patch of
f2fs_rename.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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If we fail in this path:
->init_inode_metadata
->make_empty_dir
->get_new_data_page
->grab_cache_page return -ENOMEM
We will bug on in error path of init_inode_metadata when call remove_inode_page
because i_block = 2 (one inode block will be released later & one dentry block).
We should release the dentry block in init_inode_metadata to avoid this BUG_ON,
and avoid leak of dentry block resource, because we never have second chance to
release that block in ->evict_inode as in upper error path we make this inode
'bad'.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch add lower bound verification for nid in check_nid_range, so nids
reserved like 0, node, meta passed by caller could be checked there.
And then check_nid_range could be used in f2fs_nfs_get_inode for simplifying
code.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Michael Ellerman
Linus Torvalds
Dave Airlie
Peter Hurley
Tomasz Figa
Jan Beulich
Arun Kumar K
Prathyush K
Alexandre Demers
Alex Deucher
Christian König
Olof Johansson
Jun'ichi Nomura
Joe Thornber
Jana Saout
Mikulas Patocka
Rafael J. Wysocki
Cristian Stoica
Geert Uytterhoeven
Guenter Roeck
Bert Vermeulen
K. Y. Srinivasan
Greg Kroah-Hartman
Michal Marek
Chao Yu
Jaegeuk Kim