* 'drm-fixes-3.16' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/TN: only enable bapm on MSI systems
drm/radeon: fix VM IB handling
drm/radeon: fix handling of radeon_vm_bo_rmv v3
drm/radeon: let's use GB for vm_size (v2)
Pull media fixes from Mauro Carvalho Chehab:
"A series of driver fixes:
- fix DVB-S tuning with tda1071
- fix tuner probe on af9035 when the device has a bad eeprom
- some fixes for the new si2168/2157 drivers
- one Kconfig build fix (for omap4iss)
- fixes at vpif error path
- don't lock saa7134 ioctl at driver's base core level, as it now
uses V4L2 and VB2 locking schema
- fix audio at hdpvr driver
- fix the aspect ratio at the digital timings table
- one new USB ID (at gspca_pac7302): Genius i-Look 317 webcam"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] gspca_pac7302: Add new usb-id for Genius i-Look 317
[media] tda10071: fix returned symbol rate calculation
[media] tda10071: fix spec inversion reporting
[media] tda10071: add missing DVB-S2/PSK-8 FEC AUTO
[media] tda10071: force modulation to QPSK on DVB-S
[media] hdpvr: fix two audio bugs
[media] davinci: vpif: missing unlocks on error
[media] af9035: override tuner id when bad value set into eeprom
[media] saa7134: use unlocked_ioctl instead of ioctl
[media] media: v4l2-core: v4l2-dv-timings.c: Cleaning up code wrong value used in aspect ratio
[media] si2168: firmware download fix
[media] si2157: add one missing parenthesis
[media] si2168: add one missing parenthesis
[media] staging: tighten omap4iss dependencies
Pull block fixes from Jens Axboe:
"Final block fixes for 3.16
Four small fixes that should go into 3.16, have been queued up for a
bit and delayed due to vacation and other euro duties. But here they
are. The pull request contains:
- Fix for a reported crash with shared tagging on SCSI from Christoph
- A regression fix for drbd. From Lars Ellenberg.
- Hooking up the compat ioctl for BLKZEROOUT, which requires no
translation. From Mikulas.
- A fix for a regression where we woud crash on queue exit if the
root_blkg is gone/not there. From Tejun"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: provide compat ioctl for BLKZEROOUT
blkcg: don't call into policy draining if root_blkg is already gone
drbd: fix regression 'out of mem, failed to invoke fence-peer helper'
block: don't assume last put of shared tags is for the host
Pull libata fixes from Tejun Heo:
"Late libata fixes.
The most important one is from Kevin Hao which makes sure that libata
only allocates tags inside the max tag number the controller supports.
libata always had this problem but the recent tag allocation change
and addition of support for sata_fsl which only supports queue depth
of 16 exposed the issue.
Hans de Goede agreed to become the maintainer of libahci_platform
which is under higher than usual development pressure from all the new
controllers popping up from the ARM world"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci: add support for the Promise FastTrak TX8660 SATA HBA (ahci mode)
drivers/ata/pata_ep93xx.c: use signed int type for result of platform_get_irq()
libata: EH should handle AMNF error condition as a media error
libata: support the ata host which implements a queue depth less than 32
MAINTAINERS: Add Hans de Goede as ahci-platform maintainer
an x86 change too and it is a regression from 3.14. As it only affects
nested virtualization and there were other changes in this area in 3.16,
I am not nominating it for 3.15-stable.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"These are mostly PPC changes for 3.16-new things. However, there is
an x86 change too and it is a regression from 3.14. As it only
affects nested virtualization and there were other changes in this
area in 3.16, I am not nominating it for 3.15-stable"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Check for nested events if there is an injectable interrupt
KVM: PPC: RTAS: Do byte swaps explicitly
KVM: PPC: Book3S PR: Fix ABIv2 on LE
KVM: PPC: Assembly functions exported to modules need _GLOBAL_TOC()
PPC: Add _GLOBAL_TOC for 32bit
KVM: PPC: BOOK3S: HV: Use base page size when comparing against slb value
KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute
Pull s390 fixes from Martin Schwidefsky:
"A couple of last minute bug fixes for 3.16, including a fix for ptrace
to close a hole which allowed a user space program to write to the
kernel address space"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: fix restore of invalid floating-point-control
s390/zcrypt: improve device probing for zcrypt adapter cards
s390/ptrace: fix PSW mask check
s390/MSI: Use standard mask and unmask funtions
s390/3270: correct size detection with the read-partition command
s390: require mvcos facility, not tod clock steering facility
Calling radeon_vm_bo_find on the IB BO during CS
is illegal and can lead to an crash.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
v3: completely rewritten. We now just remember which areas
of the PT to clear and do so on the next command submission.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=79980
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
VM sizes smaller than 1GB doesn't make much sense anyway.
v2: fix typo and grammer
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Here are 2 IIO driver fixes for 3.16-rc6 that resolve some reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull more IIO driver fixes from Greg KH:
"Here are two IIO driver fixes for 3.16-rc6 that resolve some reported
issues"
* tag 'staging-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: mma8452: Use correct acceleration units.
iio:core: Handle error when mask type is not separate
Here are 2 USB patches that resolve some reported issues, one with an
odd HUB, and one in the chipidea driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are two USB patches that resolve some reported issues, one with
an odd HUB, and one in the chipidea driver"
* tag 'usb-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: Check if port status is equal to RxDetect
usb: chipidea: udc: Disable auto ZLP generation on ep0
Here is a single driver core fix that reverts an older patch that has
been causing a number of reported problems with the platform devices.
This revert has been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core fix that reverts an older patch that has
been causing a number of reported problems with the platform devices.
This revert has been in linux-next for a while with no reported issues"
* tag 'driver-core-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
platform_get_irq: Revert to platform_get_resource if of_irq_get fails
Here's a single hyper-v driver fix for a reported issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fix from Greg KH:
"Here's a single hyper-v driver fix for a reported issue"
* tag 'char-misc-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Drivers: hv: hv_fcopy: fix a race condition for SMP guest
Pull intel drm fixes from Dave Airlie:
"Intel fixes came in late, but since I debugged one of them I'll send
them on,
Two reverts, a quirk and one warn regression"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
Revert "drm/i915: reverse dp link param selection, prefer fast over wide again"
drm/i915: Track the primary plane correctly when reassigning planes
drm/i915: Ignore VBT backlight presence check on HP Chromebook 14
Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"
Pull UML fixes from Richard Weinberger:
"Four fixes, all discovered by Trinity"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: segv: Save regs only in case of a kernel mode fault
um: Fix hung task in fix_range_common()
um: Ensure that a stub page cannot get unmapped
Revert "um: Fix wait_stub_done() error handling"
Pull btrfs fixes from Chris Mason:
"We have two more fixes in my for-linus branch.
I was hoping to also include a fix for a btrfs deadlock with
compression enabled, but we're still nailing that one down"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: test for valid bdev before kobj removal in btrfs_rm_device
Btrfs: fix abnormal long waiting in fsync
Highlights include;
- Stable fix for an NFSv3 posix ACL regression
- Multiple fixes for regressions to the NFS generic read/write code
- Fix page splitting bugs that come into play when a small rsize/wsize
read/write needs to be sent again (due to error conditions or page
redirty).
- Fix nfs_wb_page_cancel, which is called by the "invalidatepage" method
- Fix 2 compile warnings about unused variables.
- Fix a performance issue affecting unstable writes.
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Merge tag 'nfs-for-3.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
"Apologies for the relative lateness of this pull request, however the
commits fix some issues with the NFS read/write code updates in
3.16-rc1 that can cause serious Oopsing when using small r/wsize. The
delay was mainly due to extra testing to make sure that the fixes
behave correctly.
Highlights include;
- Stable fix for an NFSv3 posix ACL regression
- Multiple fixes for regressions to the NFS generic read/write code:
- Fix page splitting bugs that come into play when a small
rsize/wsize read/write needs to be sent again (due to error
conditions or page redirty)
- Fix nfs_wb_page_cancel, which is called by the "invalidatepage"
method
- Fix 2 compile warnings about unused variables
- Fix a performance issue affecting unstable writes"
* tag 'nfs-for-3.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Don't reset pg_moreio in __nfs_pageio_add_request
NFS: Remove 2 unused variables
nfs: handle multiple reqs in nfs_wb_page_cancel
nfs: handle multiple reqs in nfs_page_async_flush
nfs: change find_request to find_head_request
nfs: nfs_page should take a ref on the head req
nfs: mark nfs_page reqs with flag for extra ref
nfs: only show Posix ACLs in listxattr if actually present
If do_ops() fails we have to release current->mm->mmap_sem
otherwise the failing task will never terminate.
Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
Trinity discovered an execution path such that a task
can unmap his stub page.
Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
This reverts commit 0974a9cadc.
The real for for that issue is to release current->mm->mmap_sem in
fix_range_common().
Signed-off-by: Richard Weinberger <richard@nod.at>
commit 99994cd btrfs: dev delete should remove sysfs entry
added a btrfs_kobj_rm_device, which dereferences device->bdev...
right after we check whether device->bdev might be NULL.
I don't honestly know if it's possible to have a NULL device->bdev
here, but assuming that it is (given the test), we need to move
the kobject removal to be under that test.
(Coverity spotted this)
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <clm@fb.com>
xfstests generic/127 detected this problem.
With commit 7fc34a62ca, now fsync will only flush
data within the passed range. This is the cause of the above problem,
-- btrfs's fsync has a stage called 'sync log' which will wait for all the
ordered extents it've recorded to finish.
In xfstests/generic/127, with mixed operations such as truncate, fallocate,
punch hole, and mapwrite, we get some pre-allocated extents, and mapwrite will
mmap, and then msync. And I find that msync will wait for quite a long time
(about 20s in my case), thanks to ftrace, it turns out that the previous
fallocate calls 'btrfs_wait_ordered_range()' to flush dirty pages, but as the
range of dirty pages may be larger than 'btrfs_wait_ordered_range()' wants,
there can be some ordered extents created but not getting corresponding pages
flushed, then they're left in memory until we fsync which runs into the
stage 'sync log', and fsync will just wait for the system writeback thread
to flush those pages and get ordered extents finished, so the latency is
inevitable.
This adds a flush similar to btrfs_start_ordered_extent() in
btrfs_wait_logged_extents() to fix that.
Reviewed-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
Pull locking fixes from Thomas Gleixner:
"The locking department delivers:
- A rather large and intrusive bundle of fixes to address serious
performance regressions introduced by the new rwsem / mcs
technology. Simpler solutions have been discussed, but they would
have been ugly bandaids with more risk than doing the right thing.
- Make the rwsem spin on owner technology opt-in for architectures
and enable it only on the known to work ones.
- A few fixes to the lockdep userspace library"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rwsem: Add CONFIG_RWSEM_SPIN_ON_OWNER
locking/mutex: Disable optimistic spinning on some architectures
locking/rwsem: Reduce the size of struct rw_semaphore
locking/rwsem: Rename 'activity' to 'count'
locking/spinlocks/mcs: Micro-optimize osq_unlock()
locking/spinlocks/mcs: Introduce and use init macro and function for osq locks
locking/spinlocks/mcs: Convert osq lock to atomic_t to reduce overhead
locking/spinlocks/mcs: Rename optimistic_spin_queue() to optimistic_spin_node()
locking/rwsem: Allow conservative optimistic spinning when readers have lock
tools/liblockdep: Account for bitfield changes in lockdeps lock_acquire
tools/liblockdep: Remove debug print left over from development
tools/liblockdep: Fix comparison of a boolean value with a value of 2
Pull scheduler fix from Thomas Gleixner:
"Prevent a possible divide by zero in the debugging code"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix possible divide by zero in avg_atom() calculation
Pull irq fixes from Thomas Gleixner:
"Three patches addressing shortcomings in the ARM gic interrupt chip
driver"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: gic: Fix core ID calculation when topology is read from DT
irqchip: gic: Add binding probe for ARM GIC400
irqchip: gic: Add support for cortex a7 compatible string
Pull timer fix from Thomas Gleixner:
"A single fix for a long standing issue in the alarm timer subsystem,
which was noticed recently when people finally started to use alarm
timers for serious work"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
alarmtimer: Fix bug where relative alarm timers were treated as absolute
Pull RCU fixes from Thomas Gleixner:
"Two RCU patches:
- Address a serious performance regression on open/close caused by
commit ac1bea8578 ("Make cond_resched() report RCU quiescent
states")
- Export RCU debug functions. Not a regression, but enablement to
address a serious recursion bug in the sl*b allocators in 3.17"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rcu: Reduce overhead of cond_resched() checks for RCU
rcu: Export debug_init_rcu_head() and and debug_init_rcu_head()
A smaller set of fixes this week, and all regression fixes:
- a handful of issues fixed on at91 with common clock conversion
- a set of fixes for Marvell mvebu (SMP, coherency, PM)
- a clock fix for i.MX6Q.
- ... and a SMP/hotplug fix for Exynos
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A smaller set of fixes this week, and all regression fixes:
- a handful of issues fixed on at91 with common clock conversion
- a set of fixes for Marvell mvebu (SMP, coherency, PM)
- a clock fix for i.MX6Q.
- ... and a SMP/hotplug fix for Exynos"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: EXYNOS: Fix core ID used by platsmp and hotplug code
ARM: at91/dt: add missing clocks property to pwm node in sam9x5.dtsi
ARM: at91/dt: fix usb0 clocks definition in sam9n12 dtsi
ARM: at91: at91sam9x5: correct typo error for ohci clock
ARM: clk-imx6q: parent lvds_sel input from upstream clock gates
ARM: mvebu: Fix coherency bus notifiers by using separate notifiers
ARM: mvebu: Fix the operand list in the inline asm of armada_370_xp_pmsu_idle_enter
ARM: mvebu: fix SMP boot for Armada 38x and Armada 375 Z1 in big endian
But in any case nothing really shocking in
here, 2 reverts, 1 quirk and a regression fix a WARN.
* tag 'drm-intel-fixes-2014-07-18' of git://anongit.freedesktop.org/drm-intel:
Revert "drm/i915: reverse dp link param selection, prefer fast over wide again"
drm/i915: Track the primary plane correctly when reassigning planes
drm/i915: Ignore VBT backlight presence check on HP Chromebook 14
Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"
Pull x86 fixes from Peter Anvin:
"A couple of key fixes and a few less critical ones. The main ones
are:
- add a .bss section to the PE/COFF headers when building with EFI
stub
- invoke the correct paravirt magic when building the espfix page
tables
Unfortunately both of these areas also have at least one additional
fix each still in thie pipeline, but which are not yet ready to push"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Remove unused variable "polling"
x86/espfix/xen: Fix allocation of pages for paravirt page tables
x86/efi: Include a .bss section within the PE/COFF headers
efi: fdt: Do not report an error during boot if UEFI is not available
efi/arm64: efistub: remove local copy of linux_banner
Fixes to temperature limit write operations in adt7470 driver.
Also, dashes are not allowed in hwmon 'name' attributes.
Fix drivers where necessary.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"More fallout from module tests and code inspection.
Fixes to temperature limit write operations in adt7470 driver. Also,
dashes are not allowed in hwmon 'name' attributes. Fix drivers where
necessary"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (adt7470) Fix writes to temperature limit registers
hwmon: (da9055) Don't use dash in the name attribute
hwmon: (da9052) Don't use dash in the name attribute
- Fix for a recently introduced NULL pointer dereference in the core
system suspend code occuring when platforms without ACPI attempt to
use the "freeze" sleep state from Zhang Rui.
- Fix for a recently introduced build warning in cpufreq headers from
Brian W Hart.
- Fix for a 3.13 cpufreq regression related to sysem resume that
triggers on some systems with multiple CPU clusters from Viresh Kumar.
- Fix for a 3.4 regression in request_firmware() resulting in
WARN_ON()s on some systems during system resume from Takashi Iwai.
- Revert of the ACPI video commit that changed the default value of
the video.brightness_switch_enabled command line argument to 0 as
it has been reported to break existing setups.
- ACPI device enumeration documentation update to take recent code
changes into account and make the documentation match the code again
from Darren Hart.
- Fixes for the sa1110, imx6q, kirkwood, and cpu0 cpufreq drivers
from Linus Walleij, Nicolas Del Piano, Quentin Armitage, Viresh Kumar.
- New ACPI video blacklist entry for HP ProBook 4540s from Hans de Goede.
/
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Merge tag 'pm+acpi-3.16-rc6' of 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 recent regression fixes, a revert of the ACPI video
commit I promised, a system resume fix related to request_firmware(),
an ACPI video quirk for one more Win8-oriented BIOS, an ACPI device
enumeration documentation update and a few fixes for ARM cpufreq
drivers.
Specifics:
- Fix for a recently introduced NULL pointer dereference in the core
system suspend code occuring when platforms without ACPI attempt to
use the "freeze" sleep state from Zhang Rui.
- Fix for a recently introduced build warning in cpufreq headers from
Brian W Hart.
- Fix for a 3.13 cpufreq regression related to sysem resume that
triggers on some systems with multiple CPU clusters from Viresh
Kumar.
- Fix for a 3.4 regression in request_firmware() resulting in
WARN_ON()s on some systems during system resume from Takashi Iwai.
- Revert of the ACPI video commit that changed the default value of
the video.brightness_switch_enabled command line argument to 0 as
it has been reported to break existing setups.
- ACPI device enumeration documentation update to take recent code
changes into account and make the documentation match the code
again from Darren Hart.
- Fixes for the sa1110, imx6q, kirkwood, and cpu0 cpufreq drivers
from Linus Walleij, Nicolas Del Piano, Quentin Armitage, Viresh
Kumar.
- New ACPI video blacklist entry for HP ProBook 4540s from Hans de
Goede"
* tag 'pm+acpi-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: make table sentinel macros unsigned to match use
cpufreq: move policy kobj to policy->cpu at resume
cpufreq: cpu0: OPPs can be populated at runtime
cpufreq: kirkwood: Reinstate cpufreq driver for ARCH_KIRKWOOD
cpufreq: imx6q: Select PM_OPP
cpufreq: sa1110: set memory type for h3600
ACPI / video: Add use_native_backlight quirk for HP ProBook 4540s
PM / sleep: fix freeze_ops NULL pointer dereferences
PM / sleep: Fix request_firmware() error at resume
Revert "ACPI / video: change acpi-video brightness_switch_enabled default to 0"
ACPI / documentation: Remove reference to acpi_platform_device_ids from enumeration.txt
Pull drm fixes from Dave Airlie:
"One nouveau deadlock fix, one qxl irq handling fix, and a set of
radeon pageflipping changes that fix regressions in pageflipping since
-rc1 along with a leak and backlight fix.
The pageflipping fixes are a bit bigger than I'd like, but there has
been a few people focused on testing them"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: Make classic pageflip completion path less racy.
drm/radeon: Add missing vblank_put in pageflip ioctl error path.
drm/radeon: Remove redundant fence unref in pageflip path.
drm/radeon: Complete page flip even if waiting on the BO fence fails
drm/radeon: Move pinning the BO back to radeon_crtc_page_flip()
drm/radeon: Prevent too early kms-pageflips triggered by vblank.
drm/radeon: set default bl level to something reasonable
drm/radeon: avoid leaking edid data
drm/qxl: return IRQ_NONE if it was not our irq
drm/nouveau/therm: fix a potential deadlock in the therm monitoring code
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Merge tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull /dev/random fix from Ted Ts'o:
"Fix a BUG splat found by trinity"
* tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: check for increase of entropy_count because of signed conversion
Pull crypto fixes from Herbert Xu:
"This push fixes a boot hang in virt guests when the virtio RNG is
enabled"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
hwrng: virtio - ensure reads happen after successful probe
hwrng: fetch randomness only after device init
The expression entropy_count -= ibytes << (ENTROPY_SHIFT + 3) could
actually increase entropy_count if during assignment of the unsigned
expression on the RHS (mind the -=) we reduce the value modulo
2^width(int) and assign it to entropy_count. Trinity found this.
[ Commit modified by tytso to add an additional safety check for a
negative entropy_count -- which should never happen, and to also add
an additional paranoia check to prevent overly large count values to
be passed into urandom_read(). ]
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
When CPU topology is specified in device tree, cpu_logical_map() does
not return core ID anymore, but rather full MPIDR value. This breaks
existing calculation of PMU register offsets on Exynos SoCs.
This patch fixes the problem by adjusting the code to use only core ID
bits of the value returned by cpu_logical_map() to allow CPU topology to
be specified in device tree on Exynos SoCs.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Add support of the Promise FastTrak TX8660 SATA HBA in ahci mode by
registering the board in the ahci_pci_tbl[].
Note: this HBA also provide a hardware RAID mode when activated in
BIOS but specific drivers from the manufacturer are required in this
case.
Signed-off-by: Romain Degez <romain.degez@gmail.com>
Tested-by: Romain Degez <romain.degez@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
It fixes a hard machine hang regression for boards where only pcie is
active but no sata, as the latest imx6-pcie driver is no longer enabling
the upstream clock directly but only lvds clk out.
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Merge tag 'imx-fixes-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Merge "ARM: imx: fixes for 3.16, 2nd take" from Shawn Guo:
The i.MX fixes for 3.16, 2nd take:
It fixes a hard machine hang regression for boards where only pcie is
active but no sata, as the latest imx6-pcie driver is no longer enabling
the upstream clock directly but only lvds clk out.
* tag 'imx-fixes-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: clk-imx6q: parent lvds_sel input from upstream clock gates
Signed-off-by: Olof Johansson <olof@lixom.net>
- Fix SMP boot on 38x/375 in big endian
- Fix operand list for pmsu on 370/XP
- Fix coherency bus notifiers
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Merge tag 'mvebu-fixes-3.16-3' of git://git.infradead.org/linux-mvebu into fixes
Merge "mvebu fixes for v3.16 (round 3)" from Jason Cooper:
- Fix SMP boot on 38x/375 in big endian
- Fix operand list for pmsu on 370/XP
- Fix coherency bus notifiers
* tag 'mvebu-fixes-3.16-3' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: Fix coherency bus notifiers by using separate notifiers
ARM: mvebu: Fix the operand list in the inline asm of armada_370_xp_pmsu_idle_enter
ARM: mvebu: fix SMP boot for Armada 38x and Armada 375 Z1 in big endian
Signed-off-by: Olof Johansson <olof@lixom.net>
flock, a change to use GFP_NOFS to avoid recursion on a rarely used
code path and a fix for a race relating to the glock lru.
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Merge tag 'gfs2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes
Pull gfs2 fixes from Steven Whitehouse:
"This patch set contains two minor docs/spelling fixes, some fixes for
flock, a change to use GFP_NOFS to avoid recursion on a rarely used
code path and a fix for a race relating to the glock lru"
* tag 'gfs2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes:
GFS2: fs/gfs2/rgrp.c: kernel-doc warning fixes
GFS2: memcontrol: Spelling s/invlidate/invalidate/
GFS2: Allow caching of glocks for flock
GFS2: Allow flocks to use normal glock dq rather than dq_wait
GFS2: replace count*size kzalloc by kcalloc
GFS2: Use GFP_NOFS when allocating glocks
GFS2: Fix race in glock lru glock disposal
GFS2: Only wait for demote when last holder is dequeued
device's block size.
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Merge tag 'dm-3.16-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"Fix the dm-thinp and dm-cache targets to disallow changing the data
device's block size"
* tag 'dm-3.16-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache metadata: do not allow the data block size to change
dm thin metadata: do not allow the data block size to change
1. Fix UBI fastmap support which we broke in 3.16-rc1 by reversing the
volumes RB-tree sorting criteria.
2. Make sure that we scrub all PEBs where we see bit-flips - we were missing
some of them when the fastmap feature was enabled.
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Merge tag 'upstream-3.16-rc6' of git://git.infradead.org/linux-ubifs
Pull UBI fixes from Artem Bityutskiy:
"Two UBI fastmap-related fixes for v3.16:
- fix UBI fastmap support which we broke in 3.16-rc1 by reversing the
volumes RB-tree sorting criteria.
- make sure that we scrub all PEBs where we see bit-flips - we were
missing some of them when the fastmap feature was enabled"
* tag 'upstream-3.16-rc6' of git://git.infradead.org/linux-ubifs:
UBI: fastmap: do not miss bit-flips
UBI: fix the volumes tree sorting criteria
Fixes for low memory perforamnce regressions and a quota inode handling
regression.
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Merge tag 'xfs-for-linus-3.16-rc5' of git://oss.sgi.com/xfs/xfs
Pull xfs fixes from Dave Chinner:
"Fixes for low memory perforamnce regressions and a quota inode
handling regression.
These are regression fixes for issues recently introduced - the change
in the stack switch location is fairly important, so I've held off
sending this update until I was sure that it still addresses the stack
usage problem the original solved. So while the commits in the xfs
tree are recent, it has been under tested for several weeks now"
* tag 'xfs-for-linus-3.16-rc5' of git://oss.sgi.com/xfs/xfs:
xfs: null unused quota inodes when quota is on
xfs: refine the allocation stack switch
Revert "xfs: block allocation work needs to be kswapd aware"
Dave Airlie