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Signed-off-by: Hiral Patel <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Hiral Patel <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Hiral Patel <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Hiral Patel <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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The window address inserted into the dump should be have been
incremented by 1 rather than 4.
Signed-off-by: Joe Carnuccio <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Joe Carnuccio <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Giridhar Malavali <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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QLA8044_RDMDIO(39),QLA8044_POLLWR(40).
Signed-off-by: Pratik Mohanty <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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ISP8044.
Signed-off-by: Giridhar Malavali <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Joe Carnuccio <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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only firmware is alive.
Signed-off-by: Giridhar Malavali <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Giridhar Malavali <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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qla25xx_init_req_que().
Signed-off-by: Joe Carnuccio <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Joe Carnuccio <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Joe Carnuccio <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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invalid status handle.
If an adapter reset is already in progress, do not schedule another one when
we receive an invalid status handle.
Signed-off-by: Chad Dupuis <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Signed-off-by: Giridhar Malavali <[email protected]>
Signed-off-by: Saurav Kashyap <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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When the driver reads state values from the hw it might happen that
different values are read in subsequent reads and this can cause problems,
this may lead to a timeout in this function and a non working adapter.
Cc: Adam Radford <[email protected]>
Signed-off-by: Tomas Henzl <[email protected]>
Reviewed-by: Shintaro Minemoto <[email protected]>
Acked-by: Sumit Saxena <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
"A somewhat unpleasantly large collection of small fixes. The big ones
are the __visible tree sweep and a fix for 'earlyprintk=efi,keep'. It
was using __init functions with predictably suboptimal results.
Another key fix is a build fix which would produce output that simply
would not decompress correctly in some configuration, due to the
existing Makefiles picking up an unfortunate local label and mistaking
it for the global symbol _end.
Additional fixes include the handling of 64-bit numbers when setting
the vdso data page (a latent bug which became manifest when i386
started exporting a vdso with time functions), a fix to the new MSR
manipulation accessors which would cause features to not get properly
unblocked, a build fix for 32-bit userland, and a few new platform
quirks"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, vdso, time: Cast tv_nsec to u64 for proper shifting in update_vsyscall()
x86: Fix typo in MSR_IA32_MISC_ENABLE_LIMIT_CPUID macro
x86: Fix typo preventing msr_set/clear_bit from having an effect
x86/intel: Add quirk to disable HPET for the Baytrail platform
x86/hpet: Make boot_hpet_disable extern
x86-64, build: Fix stack protector Makefile breakage with 32-bit userland
x86/reboot: Add reboot quirk for Certec BPC600
asmlinkage: Add explicit __visible to drivers/*, lib/*, kernel/*
asmlinkage, x86: Add explicit __visible to arch/x86/*
asmlinkage: Revert "lto: Make asmlinkage __visible"
x86, build: Don't get confused by local symbols
x86/efi: earlyprintk=efi,keep fix
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With tk->wall_to_monotonic.tv_nsec being a 32-bit value on 32-bit
systems, (tk->wall_to_monotonic.tv_nsec << tk->shift) in update_vsyscall()
may lose upper bits or, worse, add them since compiler will do this:
(u64)(tk->wall_to_monotonic.tv_nsec << tk->shift)
instead of
((u64)tk->wall_to_monotonic.tv_nsec << tk->shift)
So if, for example, tv_nsec is 0x800000 and shift is 8 we will end up
with 0xffffffff80000000 instead of 0x80000000. And then we are stuck in
the subsequent 'while' loop.
We need an explicit cast.
Signed-off-by: Boris Ostrovsky <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Acked-by: Konrad Rzeszutek Wilk <[email protected]>
Cc: <[email protected]> # v3.14
Signed-off-by: H. Peter Anvin <[email protected]>
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The spuriously added semicolon didn't have any effect because the
macro isn't currently in use.
c0a639ad0bc6b178b46996bd1f821a04643e2bde
Signed-off-by: Andres Freund <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Cc: Borislav Petkov <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
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Due to a typo the msr accessor function introduced in
22085a66c2fab6cf9b9393c056a3600a6b4735de didn't have any lasting
effects because they accidentally wrote the old value back.
After c0a639ad0bc6b178b46996bd1f821a04643e2bde this at the very least
this causes cpuid limits not to be lifted on some cpus leading to
missing capabilities for those.
Signed-off-by: Andres Freund <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Cc: Borislav Petkov <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
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Pull xfs fixes from Dave Chinner:
"The main fix is adding support for default ACLs on O_TMPFILE opened
inodes to bring XFS into line with other filesystems. Metadata CRCs
are now also considered well enough tested to be fully supported, so
we're removing the shouty warnings issued at mount time for
filesystems with that format. And there's transaction block
reservation overrun fix.
Summary:
- fix a remote attribute size calculation bug that leads to a
transaction overrun
- add default ACLs to O_TMPFILE files
- Remove the EXPERIMENTAL tag from filesystems with metadata CRC
support"
* tag 'xfs-for-linus-3.15-rc5' of git://oss.sgi.com/xfs/xfs:
xfs: remote attribute overwrite causes transaction overrun
xfs: initialize default acls for ->tmpfile()
xfs: fully support v5 format filesystems
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"This contains two fixes.
The first is a long standing bug that causes bogus data to show up in
the refcnt field of the module_refcnt tracepoint. It was introduced
by a merge conflict resolution back in 2.6.35-rc days.
The result should be 'refcnt = incs - decs', but instead it did
'refcnt = incs + decs'.
The second fix is to a bug that was introduced in this merge window
that allowed for a tracepoint funcs pointer to be used after it was
freed. Moving the location of where the probes are released solved
the problem"
* tag 'trace-fixes-v3.15-rc4-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracepoint: Fix use of tracepoint funcs after rcu free
trace: module: Maintain a valid user count
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
"Just a few fixups to various drivers"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elantech - fix touchpad initialization on Gigabyte U2442
Input: tca8418 - fix loading this driver as a module from a device tree
Input: bma150 - extend chip detection for bma180
Input: atkbd - fix keyboard not working on some LG laptops
Input: synaptics - add min/max quirk for ThinkPad Edge E431
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A bunch of small fixes for USB-audio and HD-audio, where most of them
are for regressions: USB-audio PM fixes, ratelimit annoyance fix, HDMI
offline state fix, and a couple of device-specific quirks"
* tag 'sound-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - hdmi: Set converter channel count even without sink
ALSA: usb-audio: work around corrupted TEAC UD-H01 feedback data
ALSA: usb-audio: Fix deadlocks at resuming
ALSA: usb-audio: Save mixer status only once at suspend
ALSA: usb-audio: Prevent printk ratelimiting from spamming kernel log while DEBUG not defined
ALSA: hda - add headset mic detect quirk for a Dell laptop
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mmc/rtsx revert from Lee Jones.
* tag 'mfd-mmc-fixes-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mmc: rtsx: Revert "mmc: rtsx: add support for pre_req and post_req"
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Commit de7b2973903c "tracepoint: Use struct pointer instead of name hash
for reg/unreg tracepoints" introduces a use after free by calling
release_probes on the old struct tracepoint array before the newly
allocated array is published with rcu_assign_pointer. There is a race
window where tracepoints (RCU readers) can perform a
"use-after-grace-period-after-free", which shows up as a GPF in
stress-tests.
Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/p/[email protected]
Reported-by: Sasha Levin <[email protected]>
CC: Oleg Nesterov <[email protected]>
CC: Dave Jones <[email protected]>
Fixes: de7b2973903c "tracepoint: Use struct pointer instead of name hash for reg/unreg tracepoints"
Signed-off-by: Mathieu Desnoyers <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
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The replacement of the 'count' variable by two variables 'incs' and
'decs' to resolve some race conditions during module unloading was done
in parallel with some cleanup in the trace subsystem, and was integrated
as a merge.
Unfortunately, the formula for this replacement was wrong in the tracing
code, and the refcount in the traces was not usable as a result.
Use 'count = incs - decs' to compute the user count.
Link: http://lkml.kernel.org/p/[email protected]
Acked-by: Ingo Molnar <[email protected]>
Cc: Rusty Russell <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: [email protected] # 2.6.35
Fixes: c1ab9cab7509 "merge conflict resolution"
Signed-off-by: Romain Izard <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
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This reverts commit c42deffd5b53c9e583d83c7964854ede2f12410d.
commit <mmc: rtsx: add support for pre_req and post_req> did use
mutex_unlock() in tasklet, but mutex_unlock() can't be used in
tasklet(atomic context). The driver needs to use mutex to avoid
concurrency, so we can't use tasklet here, the patch need to be
removed.
The spinlock host->lock and pcr->lock may deadlock, one way to solve
the deadlock is remove host->lock in sd_isr_done_transfer(), but if
using workqueue the we can avoid using the spinlock and also avoid
the problem.
Signed-off-by: Micky Ching <[email protected]>
Acked-by: Ulf Hansson <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
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HPET on current Baytrail platform has accuracy problem to be
used as reliable clocksource/clockevent, so add a early quirk to
disable it.
Signed-off-by: Feng Tang <[email protected]>
Cc: Clemens Ladisch <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Linus Torvalds <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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HPET on some platform has accuracy problem. Making
"boot_hpet_disable" extern so that we can runtime disable
the HPET timer by using quirk to check the platform.
Signed-off-by: Feng Tang <[email protected]>
Cc: Clemens Ladisch <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Linus Torvalds <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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Pull MTD fix from Brian Norris:
"A single update for Keystone SoC's, whose NAND controller does not
support subpage programming"
* tag 'for-linus-20140507' of git://git.infradead.org/linux-mtd:
mtd: davinci-nand: disable subpage write for keystone-nand
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
- fix a small bug in computation of report size, which might cause some
devices (Atmel touchpad found on the Samsung Ativ 9) to reject
reports with otherwise valid contents
- a few device-ID specific quirks/additions piggy-backing on top of it
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: sensor-hub: Add in quirk for sensor hub in Lenovo Ideapad Yogas
HID: add NO_INIT_REPORTS quirk for Synaptics Touch Pad V 103S
HID: core: fix computation of the report size
HID: multitouch: add support of EliteGroup 05D8 panels
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Pull radeon mullins support from Dave Airlie:
"This is support for the new AMD mullins APU, it pretty much just adds
support to the driver in the all the right places, and is pretty low
risk wrt other GPUs"
Oh well. I guess it ends up fitting under "support new hardware" for
merging late.
* 'drm-radeon-mullins' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: add pci ids for Mullins
drm/radeon: add Mullins VCE support
drm/radeon: modesetting updates for Mullins.
drm/radeon: dpm updates for KV/KB
drm/radeon: add Mullins dpm support.
drm/radeon: add Mullins UVD support.
drm/radeon: update cik init for Mullins.
drm/radeon: add Mullins chip family
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Pull drm fixes from Dave Airlie:
"radeon, i915 and nouveau fixes, all fixes for regressions or black
screens, or possible oopses"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: lower the ref * post PLL maximum
drm/radeon: check that we have a clock before PLL setup
drm/radeon: drm/radeon: add missing radeon_semaphore_free to error path
drm/radeon: Fix num_banks calculation for SI
agp: info leak in agpioc_info_wrap()
drm/gm107/gr: bump attrib cb size quite a bit
drm/nouveau: fix another lock unbalance in nouveau_crtc_page_flip
drm/nouveau/bios: fix shadowing from PROM on big-endian systems
drm/nouveau/acpi: allow non-optimus setups to load vbios from acpi
drm/radeon/dp: check for errors in dpcd reads
drm/radeon: avoid high jitter with small frac divs
drm/radeon: check buffer relocation offset
drm/radeon: use pflip irq on R600+ v2
drm/radeon/uvd: use lower clocks on old UVD to boot v2
drm/i915: don't try DP_LINK_BW_5_4 on HSW ULX
drm/i915: Sanitize the enable_ppgtt module option once
drm/i915: Break encoder->crtc link separately in intel_sanitize_crtc()
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If you are using a 64-bit kernel with 32-bit userland, then
scripts/gcc-x86_64-has-stack-protector.sh invokes 32-bit gcc
with -mcmodel=kernel, which produces:
<stdin>:1:0: error: code model 'kernel' not supported in the 32 bit mode
and trips the "broken compiler" test at arch/x86/Makefile:120.
There are several places a fix is possible, but the following seems
cleanest. (But it's minimal; it would also be possible to factor
out a bunch of stuff from the two branches of the if.)
Signed-off-by: George Spelvin <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Cc: <[email protected]> # v3.14
Signed-off-by: H. Peter Anvin <[email protected]>
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Certec BPC600 needs reboot=pci to actually reboot.
Signed-off-by: Christian Gmeiner <[email protected]>
Cc: Matthew Garrett <[email protected]>
Cc: Li Aubrey <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Dave Jones <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Linus Torvalds <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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into drm-fixes
Add Mullins chips support.
* 'mullins' of git://people.freedesktop.org/~deathsimple/linux:
drm/radeon: add pci ids for Mullins
drm/radeon: add Mullins VCE support
drm/radeon: modesetting updates for Mullins.
drm/radeon: dpm updates for KV/KB
drm/radeon: add Mullins dpm support.
drm/radeon: add Mullins UVD support.
drm/radeon: update cik init for Mullins.
drm/radeon: add Mullins chip family
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
nouveau fixes.
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/gm107/gr: bump attrib cb size quite a bit
drm/nouveau: fix another lock unbalance in nouveau_crtc_page_flip
drm/nouveau/bios: fix shadowing from PROM on big-endian systems
drm/nouveau/acpi: allow non-optimus setups to load vbios from acpi
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Some more i915 fixes. There's still some DP issues we are looking into,
but wanted to get these moving.
* tag 'topc/core-stuff-2014-05-05' of git://anongit.freedesktop.org/drm-intel:
drm/i915: don't try DP_LINK_BW_5_4 on HSW ULX
drm/i915: Sanitize the enable_ppgtt module option once
drm/i915: Break encoder->crtc link separately in intel_sanitize_crtc()
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git://people.freedesktop.org/~deathsimple/linux into drm-fixes
this is the next pull quested for stashed up radeon fixes for 3.15. As discussed support for Mullins was separated out and will get it's own pull request. Remaining highlights are:
1. Some more patches to better handle PLL limits.
2. Making use of the PFLIP additional to the VBLANK interrupt, otherwise we sometimes miss page flip events.
3. Fix for the UVD command stream parser.
4. Fix for bootup UVD clocks on RV7xx systems.
5. Adding missing error check on dpcd reads.
6. Fixes number of banks calculation on SI.
* 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux:
drm/radeon: lower the ref * post PLL maximum
drm/radeon: check that we have a clock before PLL setup
drm/radeon: drm/radeon: add missing radeon_semaphore_free to error path
drm/radeon: Fix num_banks calculation for SI
drm/radeon/dp: check for errors in dpcd reads
drm/radeon: avoid high jitter with small frac divs
drm/radeon: check buffer relocation offset
drm/radeon: use pflip irq on R600+ v2
drm/radeon/uvd: use lower clocks on old UVD to boot v2
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Merge misc fixes from Andrew Morton:
"13 fixes"
* emailed patches from Andrew Morton <[email protected]>:
agp: info leak in agpioc_info_wrap()
fs/affs/super.c: bugfix / double free
fanotify: fix -EOVERFLOW with large files on 64-bit
slub: use sysfs'es release mechanism for kmem_cache
revert "mm: vmscan: do not swap anon pages just because free+file is low"
autofs: fix lockref lookup
mm: filemap: update find_get_pages_tag() to deal with shadow entries
mm/compaction: make isolate_freepages start at pageblock boundary
MAINTAINERS: zswap/zbud: change maintainer email address
mm/page-writeback.c: fix divide by zero in pos_ratio_polynom
hugetlb: ensure hugepage access is denied if hugepages are not supported
slub: fix memcg_propagate_slab_attrs
drivers/rtc/rtc-pcf8523.c: fix month definition
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On 64 bit systems the agp_info struct has a 4 byte hole between
->agp_mode and ->aper_base. We need to clear it to avoid disclosing
stack information to userspace.
Signed-off-by: Dan Carpenter <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Commit 842a859db26b ("affs: use ->kill_sb() to simplify ->put_super()
and failure exits of ->mount()") adds .kill_sb which frees sbi but
doesn't remove sbi free in case of parse_options error causing double
free+random crash.
Signed-off-by: Fabian Frederick <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: <[email protected]> [3.14.x]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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On 64-bit systems, O_LARGEFILE is automatically added to flags inside
the open() syscall (also openat(), blkdev_open(), etc). Userspace
therefore defines O_LARGEFILE to be 0 - you can use it, but it's a
no-op. Everything should be O_LARGEFILE by default.
But: when fanotify does create_fd() it uses dentry_open(), which skips
all that. And userspace can't set O_LARGEFILE in fanotify_init()
because it's defined to 0. So if fanotify gets an event regarding a
large file, the read() will just fail with -EOVERFLOW.
This patch adds O_LARGEFILE to fanotify_init()'s event_f_flags on 64-bit
systems, using the same test as open()/openat()/etc.
Addresses https://bugzilla.redhat.com/show_bug.cgi?id=696821
Signed-off-by: Will Woods <[email protected]>
Acked-by: Eric Paris <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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debugobjects warning during netfilter exit:
------------[ cut here ]------------
WARNING: CPU: 6 PID: 4178 at lib/debugobjects.c:260 debug_print_object+0x8d/0xb0()
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x20
Modules linked in:
CPU: 6 PID: 4178 Comm: kworker/u16:2 Tainted: G W 3.11.0-next-20130906-sasha #3984
Workqueue: netns cleanup_net
Call Trace:
dump_stack+0x52/0x87
warn_slowpath_common+0x8c/0xc0
warn_slowpath_fmt+0x46/0x50
debug_print_object+0x8d/0xb0
__debug_check_no_obj_freed+0xa5/0x220
debug_check_no_obj_freed+0x15/0x20
kmem_cache_free+0x197/0x340
kmem_cache_destroy+0x86/0xe0
nf_conntrack_cleanup_net_list+0x131/0x170
nf_conntrack_pernet_exit+0x5d/0x70
ops_exit_list+0x5e/0x70
cleanup_net+0xfb/0x1c0
process_one_work+0x338/0x550
worker_thread+0x215/0x350
kthread+0xe7/0xf0
ret_from_fork+0x7c/0xb0
Also during dcookie cleanup:
WARNING: CPU: 12 PID: 9725 at lib/debugobjects.c:260 debug_print_object+0x8c/0xb0()
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x20
Modules linked in:
CPU: 12 PID: 9725 Comm: trinity-c141 Not tainted 3.15.0-rc2-next-20140423-sasha-00018-gc4ff6c4 #408
Call Trace:
dump_stack (lib/dump_stack.c:52)
warn_slowpath_common (kernel/panic.c:430)
warn_slowpath_fmt (kernel/panic.c:445)
debug_print_object (lib/debugobjects.c:262)
__debug_check_no_obj_freed (lib/debugobjects.c:697)
debug_check_no_obj_freed (lib/debugobjects.c:726)
kmem_cache_free (mm/slub.c:2689 mm/slub.c:2717)
kmem_cache_destroy (mm/slab_common.c:363)
dcookie_unregister (fs/dcookies.c:302 fs/dcookies.c:343)
event_buffer_release (arch/x86/oprofile/../../../drivers/oprofile/event_buffer.c:153)
__fput (fs/file_table.c:217)
____fput (fs/file_table.c:253)
task_work_run (kernel/task_work.c:125 (discriminator 1))
do_notify_resume (include/linux/tracehook.h:196 arch/x86/kernel/signal.c:751)
int_signal (arch/x86/kernel/entry_64.S:807)
Sysfs has a release mechanism. Use that to release the kmem_cache
structure if CONFIG_SYSFS is enabled.
Only slub is changed - slab currently only supports /proc/slabinfo and
not /sys/kernel/slab/*. We talked about adding that and someone was
working on it.
[[email protected]: fix CONFIG_SYSFS=n build]
[[email protected]: fix CONFIG_SYSFS=n build even more]
Signed-off-by: Christoph Lameter <[email protected]>
Reported-by: Sasha Levin <[email protected]>
Tested-by: Sasha Levin <[email protected]>
Acked-by: Greg KH <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Russell King <[email protected]>
Cc: Bart Van Assche <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This reverts commit 0bf1457f0cfc ("mm: vmscan: do not swap anon pages
just because free+file is low") because it introduced a regression in
mostly-anonymous workloads, where reclaim would become ineffective and
trap every allocating task in direct reclaim.
The problem is that there is a runaway feedback loop in the scan balance
between file and anon, where the balance tips heavily towards a tiny
thrashing file LRU and anonymous pages are no longer being looked at.
The commit in question removed the safe guard that would detect such
situations and respond with forced anonymous reclaim.
This commit was part of a series to fix premature swapping in loads with
relatively little cache, and while it made a small difference, the cure
is obviously worse than the disease. Revert it.
Signed-off-by: Johannes Weiner <[email protected]>
Reported-by: Christian Borntraeger <[email protected]>
Acked-by: Christian Borntraeger <[email protected]>
Acked-by: Rafael Aquini <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: <[email protected]> [3.12+]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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autofs needs to be able to see private data dentry flags for its dentrys
that are being created but not yet hashed and for its dentrys that have
been rmdir()ed but not yet freed. It needs to do this so it can block
processes in these states until a status has been returned to indicate
the given operation is complete.
It does this by keeping two lists, active and expring, of dentrys in
this state and uses ->d_release() to keep them stable while it checks
the reference count to determine if they should be used.
But with the recent lockref changes dentrys being freed sometimes don't
transition to a reference count of 0 before being freed so autofs can
occassionally use a dentry that is invalid which can lead to a panic.
Signed-off-by: Ian Kent <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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