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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull a hwmon patch from Guenter Roeck:
"Fix build error in vexpress driver"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (vexpress) Fix build error seen if CONFIG_OF_DEVICE is not set
Merge misc fixes from Andrew Morton:
"The audit fixes have been floating around for a while - Al and Eric
aren't responding to either myself or Kees so I asked Kees to
re-review them and here they are."
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (22 commits)
lib/rbtree.c: avoid the use of non-static __always_inline
MAINTAINERS: Omar had moved
mm: compaction: partially revert capture of suitable high-order page
linux/audit.h: move ptrace.h include to kernel header
kernel/audit.c: avoid negative sleep durations
audit: catch possible NULL audit buffers
audit: create explicit AUDIT_SECCOMP event type
MAINTAINERS: fix a status pattern
MAINTAINERS: fix arch/arm/plat-omap/include/plat/omap_hwmod.h
mm: thp: acquire the anon_vma rwsem for write during split
mm: mmap: annotate vm_lock_anon_vma locking properly for lockdep
lockdep, rwsem: provide down_write_nest_lock()
arch/mn10300/Kconfig: select CONFIG_GENERIC_ATOMIC64
mm: bootmem: fix free_all_bootmem_core() with odd bitmap alignment
mm: use aligned zone start for pfn_to_bitidx calculation
fs/exec.c: work around icc miscompilation
mm: compaction: fix echo 1 > compact_memory return error issue
mm: memblock: fix wrong memmove size in memblock_merge_regions()
drivers/video/ssd1307fb.c: fix bit order bug in the byte translation function
mm: migrate: check page_count of THP before migrating
...
This was leading to a strange behaviour when using the fbcon driver on
top of this one: the letters were in the right order, but each letter
had a vertical symmetry.
This was because the addressing was right for the byte, but the
addressing of each individual bit was inverted.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Brian Lilly <brian@crystalfontz.com>
Cc: Greg Kroah-Hartman <gregkh@linux-foundation.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Thomas Petazzoni <thomas@free-electrons.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix the warning
WARNING: drivers/rtc/rtc-da9055.o(.text+0xa71): Section mismatch in reference from the function da9055_rtc_probe() to the function .init.text:da9055_rtc_device_init()
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull intel DRM fixes from Dave Airlie:
"Just intel fixes, including getting the Ironlake systems back to the
state they were in for 3.6."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/i915: Revert shrinker changes from "Track unbound pages"
drm/i915: Use pixel size for computing linear offsets into a sprite
drm/i915: Add DEBUG messages to all intel_create_user_framebuffer error paths
drm/i915: The sprite scaler on Ironlake also support YUV planes
drm: Only evict the blocks required to create the requested hole
drm/i915: Treat crtc->mode.clock == 0 as disabled
Revert "drm/i915: no lvds quirk for Zotac ZDBOX SD ID12/ID13"
drm/i915; Only increment the user-pin-count after successfully pinning the bo
Fix kernel-doc warning in iov.c:
Warning(drivers/pci/iov.c:752): No description found for parameter 'numvfs'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Sorry-by: Don Dutile <ddutile@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Daniel writes:
"Pretty much all just major fixes:
- 2 pieces of duct-tape for the ilk bug.
- Sprite regression fixes from Chris.
- OOPS fix for a div-by-zero from Chris, regression due to the modeset
rework in 3.7, now brought to light by a benign change in 3.8.
- Fix interrupted bo pinning, used to work around CS coherency issues on
i830/i845 (kernel also has a w/a newly in 3.8, but pinning is more efficient if
possible)."
Pull x86 platform driver bugfixes from Matthew Garrett.
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
asus-laptop: Fix potential invalid pointer dereference
Update MAINTAINERS entry
asus-laptop: Do not call HWRS on init
sony-laptop: fix SNC buffer calls when SN06 returns Integers
samsung-laptop: Add quirk for broken acpi_video backlight on N250P
acer-wmi: add Aspire 5741G touchpad toggle key
acer-wmi: change to emit touchpad on off key
acer-wmi: fix obj is NULL but dereferenced
MAINTAINERS: change the mail address of acer-wmi/msi-laptop maintainer
This partially reverts
commit 6c085a728c
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon Aug 20 11:40:46 2012 +0200
drm/i915: Track unbound pages
Closer inspection of that patch revealed a bunch of unrelated changes
in the shrinker:
- The shrinker count is now in pages instead of objects.
- For counting the shrinkable objects the old code only looked at the
inactive list, the new code looks at all bounds objects (including
pinned ones). That is obviously in addition to the new unbound list.
- The shrinker cound is no longer scaled with
sysctl_vfs_cache_pressure. Note though that with the default tuning
value of vfs_cache_pressue = 100 this doesn't affect the shrinker
behaviour.
- When actually shrinking objects, the old code first dropped
purgeable objects, then normal (inactive) objects. Only then did it,
in a last-ditch effort idle the gpu and evict everything. The new
code omits the intermediate step of evicting normal inactive
objects.
Safe for the first change, which seems benign, and the shrinker count
scaling, which is a bit a different story, the endresult of all these
changes is that the shrinker is _much_ more likely to fall back to the
last-ditch resort of idling the gpu and evicting everything. The old
code could only do that if something else evicted lots of objects
meanwhile (since without any other changes the nr_to_scan will be
smaller than the object count).
Reverting the vfs_cache_pressure behaviour itself is a bit bogus: Only
dentry/inode object caches should scale their shrinker counts with
vfs_cache_pressure. Originally I've had that change reverted, too. But
Chris Wilson insisted that it's too bogus and shouldn't again see the
light of day.
Hence revert all these other changes and restore the old shrinker
behaviour, with the minor adjustment that we now first scan the
unbound list, then the inactive list for each object category
(purgeable or normal).
A similar patch has been tested by a few people affected by the gen4/5
hangs which started to appear in 3.7, which some people bisected to
the "drm/i915: Track unbound pages" commit. But just disabling the
unbound logic alone didn't change things at all.
Note that this patch doesn't fix the referenced bugs, it only hides
the underlying bug(s) well enough to restore pre-3.7 behaviour. The
key to achieve that is to massively reduce the likelyhood of going
into a full gpu stall and evicting everything.
v2: Reword commit message a bit, taking Chris Wilson's comment into
account.
v3: On Chris Wilson's insistency, do not reinstate the rather bogus
vfs_cache_pressure change.
Tested-by: Greg KH <gregkh@linuxfoundation.org>
Tested-by: Dave Kleikamp <dave.kleikamp@oracle.com>
References: https://bugs.freedesktop.org/show_bug.cgi?id=55984
References: https://bugs.freedesktop.org/show_bug.cgi?id=57122
References: https://bugs.freedesktop.org/show_bug.cgi?id=56916
References: https://bugs.freedesktop.org/show_bug.cgi?id=57136
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Pull s390 patches from Martin Schwidefsky:
"Add the finit_module system call, fix the irq statistics in
/proc/stat, fix a s390dbf lockdep problem, a patch revert for a
problem that is not 100% understood yet, and a few patches to
fix warnings."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pci: define read*_relaxed functions
s390/topology: export cpu_topology
s390/pm: export pm_power_off
s390/pci: define isa_dma_bridge_buggy
s390/3215: partially revert tty close handling fix
s390/irq: count cpu restart events
s390/irq: remove split irq fields from /proc/stat
s390/irq: enable irq sum accounting for /proc/stat again
s390/syscalls: wire up finit_module syscall
s390/pci: remove dead code
s390/smp: fix section mismatch for smp_add_present_cpu()
s390/debug: Fix s390dbf lockdep problem in debug_(un)register_view()
Fix:
vexpress.c: In function ‘vexpress_hwmon_name_show’:
vexpress.c:34:2: error: implicit declaration of function
‘of_get_property’ [-Werror=implicit-function-declaration]
vexpress.c:34:27: warning: initialization makes pointer from integer
without a cast [enabled by default]
vexpress.c: In function ‘vexpress_hwmon_label_show’:
vexpress.c:43:22: warning: initialization makes pointer from integer
without a cast [enabled by default]
Seen if CONFIG_OF_DEVICE is not defined. of_get_property is declared in
of.h which is only included by of_device.h if CONFIG_OF_DEVICE is defined.
of.h needs to be included directly.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
which spilled all EDAC suboptions into the 'Device Drivers' menu.
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Merge tag 'edac_fixes_for_3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC fixes from Borislav Petkov:
"Two error path fixes causing a crash and a Kconfig fix for an issue
which spilled all EDAC suboptions into the 'Device Drivers' menu."
* tag 'edac_fixes_for_3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC: Cleanup device deregistering path
EDAC: Fix EDAC Kconfig menu
EDAC: Fix kernel panic on module unloading
This fixes an original bug in the sprite code that miscomputed the
source offset into a linear YUV packed framebuffer, that was magnified
into an oops with
commit 5a35e99e81
Author: Damien Lespiau <damien.lespiau@intel.com>
Date: Fri Oct 26 18:20:12 2012 +0100
drm/i915: adjust sprite base address
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
People are back from the holiday breaks, and it shows. Here are a bunch of
fixes for a number of platforms:
- A couple of small fixes for Nomadik
- A larger set of changes for kirkwood/mvebu
- uart driver selection, dt clocks, gpio-poweroff fixups,
a few __init annotation fixes and some error handling improvement
in their xor dma driver.
- i.MX had a couple of minor fixes (and a critical one for flexcan2
clock setup)
- MXS has a small board fix and a framebuffer bugfix
- A set of fixes for Samsung Exynos, fixing default bootargs and some
Exynos5440 clock issues
- A set of OMAP changes including PM fixes and a few sparse warning
fixups
All in all a bit more positive code delta than we'd ideally want to see
here, mostly from the OMAP PM changes, but nothing overly crazy.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"People are back from the holiday breaks, and it shows. Here are a
bunch of fixes for a number of platforms:
- A couple of small fixes for Nomadik
- A larger set of changes for kirkwood/mvebu
- uart driver selection, dt clocks, gpio-poweroff fixups, a few
__init annotation fixes and some error handling improvement in
their xor dma driver.
- i.MX had a couple of minor fixes (and a critical one for flexcan2
clock setup)
- MXS has a small board fix and a framebuffer bugfix
- A set of fixes for Samsung Exynos, fixing default bootargs and some
Exynos5440 clock issues
- A set of OMAP changes including PM fixes and a few sparse warning
fixups
All in all a bit more positive code delta than we'd ideally want to
see here, mostly from the OMAP PM changes, but nothing overly crazy."
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
ARM: clps711x: Fix bad merge of clockevents setup
ARM: highbank: save and restore L2 cache and GIC on suspend
ARM: highbank: add a power request clear
ARM: highbank: fix secondary boot and hotplug
ARM: highbank: fix typos with hignbank in power request functions
ARM: dts: fix highbank cpu mpidr values
ARM: dts: add device_type prop to cpu nodes on Calxeda platforms
ARM: mx5: Fix MX53 flexcan2 clock
ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array
pinctrl: mvebu: make pdma clock on dove mandatory
ARM: Dove: Add pinctrl clock to DT
dma: mv_xor: fix error handling for clocks
dma: mv_xor: fix error handling of mv_xor_channel_add()
arm: mvebu: Add missing ; for cpu node.
arm: mvebu: Armada XP MV78230 has only three Ethernet interfaces
arm: mvebu: Armada XP MV78230 has two cores, not one
clk: mvebu: Remove inappropriate __init tagging
ARM: Kirkwood: Use fixed-regulator instead of board gpio call
ARM: Kirkwood: Fix missing sdio clock
ARM: Kirkwood: Switch TWSI1 of 88f6282 to DT clock providers
...
Pull drm update from Dave Airlie:
"Exynos and Radeon mostly, with a dma-buf and ttm fix thrown in.
It's a bit big but its mostly exynos license fix ups and I'd rather
not hold those up since its legally stuff.
Radeon has a couple of fixes from dma engine work, TTM is just a
locking fix, and dma-buf fix has been hanging around and I finally got
a chance to review it."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (30 commits)
drm/ttm: fix fence locking in ttm_buffer_object_transfer
drm/prime: drop reference on imported dma-buf come from gem
drm/radeon: add quirk for d3 delay during switcheroo poweron for apple macbooks
drm/exynos: move finish page flip to a common place
drm/exynos: fimd: modify condition in fimd resume
drm/radeon: fix DMA CS parser for r6xx linear copy packet
drm/radeon: split r6xx and r7xx copy_dma functions
drm/exynos: Use devm_clk_get in exynos_drm_gsc.c
drm/exynos: Remove redundant NULL check in exynos_drm_gsc.c
drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_gsc.c
drm/exynos: Use devm_clk_get in exynos_drm_rotator.c
drm/exynos: Remove redundant NULL check in exynos_drm_rotator.c
drm/exynos: Remove unnecessary devm_* freeing APIs in exynos_drm_rotator.c
drm/exynos: Use devm_clk_get in exynos_drm_fimc.c
drm/exynos: Remove redundant NULL check
drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_fimc.c
drm/exynos: Use devm_kzalloc in exynos_drm_ipp.c
drm/exynos: fix gem buffer allocation type checking
drm/exynos: remove needless parenthesis.
drm/exynos: fix incorrect interrupt induced by m2m operation.
...
This proves to be very useful when investigating why code suddenly
started failing.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
is unresponsive for quite a while. People start complaining the missing
of such an important fix.
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Merge tag 'mxs-fixes-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
From Shawn Guo:
I have to send one critical mxsfb fix through arm-soc, as FB maintainer
is unresponsive for quite a while. People start complaining the missing
of such an important fix.
* tag 'mxs-fixes-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6:
video: mxsfb: fix crash when unblanking the display
ARM: dts: imx23-olinuxino: Fix IOMUX settings
Pull networking fixes from David Miller:
1) New sysctl ndisc_notify needs some documentation, from Hanns
Frederic Sowa.
2) Netfilter REJECT target doesn't set transport header of SKB
correctly, from Mukund Jampala.
3) Forcedeth driver needs to check for DMA mapping failures, from Larry
Finger.
4) brcmsmac driver can't use usleep_range while holding locks, use
udelay instead. From Niels Ole Salscheider.
5) Fix unregister of netlink bridge multicast database handlers, from
Vlad Yasevich and Rami Rosen.
6) Fix checksum calculations in netfilter's ipv6 network prefix
translation module.
7) Fix high order page allocation failures in netfilter xt_recent, from
Eric Dumazet.
8) mac802154 needs to use netif_rx_ni() instead of netif_rx() because
mac802154_process_data() can execute in process rather than
interrupt context. From Alexander Aring.
9) Fix splice handling of MSG_SENDPAGE_NOTLAST, otherwise we elide one
tcp_push() too many. From Eric Dumazet and Willy Tarreau.
10) Fix skb->truesize tracking in XEN netfront driver, from Ian
Campbell.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (46 commits)
xen/netfront: improve truesize tracking
ipv4: fix NULL checking in devinet_ioctl()
tcp: fix MSG_SENDPAGE_NOTLAST logic
net/ipv4/ipconfig: really display the BOOTP/DHCP server's address.
ip-sysctl: fix spelling errors
mac802154: fix NOHZ local_softirq_pending 08 warning
ipv6: document ndisc_notify in networking/ip-sysctl.txt
ath9k: Fix Kconfig for ATH9K_HTC
netfilter: xt_recent: avoid high order page allocations
netfilter: fix missing dependencies for the NOTRACK target
netfilter: ip6t_NPT: fix IPv6 NTP checksum calculation
bridge: add empty br_mdb_init() and br_mdb_uninit() definitions.
vxlan: allow live mac address change
bridge: Correctly unregister MDB rtnetlink handlers
brcmfmac: fix parsing rsn ie for ap mode.
brcmsmac: add copyright information for Canonical
rtlwifi: rtl8723ae: Fix warning for unchecked pci_map_single() call
rtlwifi: rtl8192se: Fix warning for unchecked pci_map_single() call
rtlwifi: rtl8192de: Fix warning for unchecked pci_map_single() call
rtlwifi: rtl8192ce: Fix warning for unchecked pci_map_single() call
...
This fixes a regression from
commit 57779d0636
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Oct 31 17:50:14 2012 +0200
drm/i915: Fix display pixel format handling
(which even says that they are supported on Ironlake, and then promptly
rejects then...)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Avoid clobbering adjacent blocks if they happen to expire earlier and
amalgamate together to form the requested hole.
In passing this fixes a regression from
commit ea7b1dd448
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Feb 18 17:59:12 2011 +0100
drm: mm: track free areas implicitly
which swaps the end address for size (with a potential overflow) and
effectively causes the eviction code to clobber almost all earlier
buffers above the evictee.
v2: Check the original hole not the adjusted as the coloring may confuse
us when later searching for the overlapping nodes. Also make sure that
we do apply the range restriction and color adjustment in the same
order for both scanning, searching and insertion.
v3: Send the version that was actually tested.
Note that this seems to be ducttape of decent quality ot paper over
some of our unbind related gpu hangs reported since 3.7. It is not
fully effective though, and certainly doesn't fix the underlying bug.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
[danvet: Added note plus bugzilla link and tested-by.]
Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=55984
Tested-by: Norbert Preining <preining@logic.at>
Acked-by: Dave Airlie <airlied@gmail.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Partially revert ae289dc1f "s390/3215: fix tty close handling", since this
leads sometimes to hanging agetty processes and therefore systems that get
stuck while starting.
This was magically fixed (bisected) by a common code patch from Alan Cox:
36b3c070 "tty: Move the handling of the tty release logic", however it was
unrelated.
Since the removed code worked for a decade, nobody knows anymore why it was
in there in the first place and debugging the observed hang is non-trivial
(at least for me :) ), let's just re-add the removed code before we see
other side effects.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Now that irq sum accounting for /proc/stat's "intr" line works again we
have the oddity that the sum field (first field) contains only the sum
of the second (external irqs) and third field (I/O interrupts).
The reason for that is that these two fields are already sums of all other
fields. So if we would sum up everything we would count every interrupt
twice.
This is broken since the split interrupt accounting was merged two years
ago: 052ff461c8 "[S390] irq: have detailed
statistics for interrupt types".
To fix this remove the split interrupt fields from /proc/stat's "intr"
line again and only have them in /proc/interrupts.
This restores the old behaviour, seems to be the only sane fix and mimics
a behaviour from other architectures where /proc/interrupts also contains
more than /proc/stat's "intr" line does.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
For more than two years, since f2c66cd8ee
"/proc/stat: scalability of irq num per cpu" the output of /proc/stat is
broken.
The first field in the "intr" line should contain the sum of all interrupts,
however since the above mentioned change it is always zero.
The reason for that is that a per cpu irq sum variable had been introduced
which got incremented when calling kstat_incr_irqs_this_cpu(). However
on s390 we directly incremented only the per cpu per irq counter by accessing
the array element via kstat_cpu(smp_processor_id()).irqs[...].
So fix this and use the kstat_incr_irqs_this_cpu() wrapper which increments
both: the per cpu per irq counter and the per cpu irq sum counter.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Noticed while reviewing the fence locking in the radeon pageflip
handler.
v2: Instead of grabbing the bdev->fence_lock in object_transfer just
move the single callsite of that function a few lines, so that it is
protected by the fence_lock. Suggested by Jerome Glisse.
v3: Fix typo in commit message.
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Alex writes:
A few more fixes for DMA and a mac quirk.
* 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: add quirk for d3 delay during switcheroo poweron for apple macbooks
drm/radeon: fix DMA CS parser for r6xx linear copy packet
drm/radeon: split r6xx and r7xx copy_dma functions
Increasing ref counts of both dma-buf and gem for imported dma-buf come from gem
makes memory leak. release function of dma-buf cannot be called because f_count
of dma-buf increased by importing gem and gem ref count cannot be decrease
because of exported dma-buf.
So I add dma_buf_put() for imported gem come from its own gem into each drivers
having prime_import and prime_export capabilities. With this, only gem ref
count is increased if importing gem exported from gem of same driver.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin.park <kyungmin.park@samsung.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rob Clark <rob.clark@linaro.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Using RX_COPY_THRESHOLD is incorrect if the SKB is actually smaller
than that. We have already accounted for this in
NETFRONT_SKB_CB(skb)->pull_to so use that instead.
Fixes WARN_ON from skb_try_coalesce.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: annie li <annie.li@oracle.com>
Cc: xen-devel@lists.xen.org
Cc: netdev@vger.kernel.org
Cc: stable@kernel.org # 3.7.x only
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* Removal of some ACPICA code that the kernel will never use from Lv Zheng.
* APEI fix from Adrian Huang.
* Removal of unnecessary ACPI memory hotplug driver code from Liu Jinsong.
* Minor ACPI power management fixes.
* ACPI debug code fix from Joe Perches.
* ACPI fix to make system bus device nodes get the right names.
* PNP resources handling fixes from Witold Szczeponik.
* cpuidle fix for a recent regression stalling boot on systems with great
numbers of CPUs from Daniel Lezcano.
* cpuidle fixes from Sivaram Nair.
* intel_idle debug message fix from Youquan Song.
* cpufreq build regression fix from Larry Finger.
* cpufreq fix for an obscure initialization race related to statistics from
Konstantin Khlebnikov.
* cpufreq change disabling the Longhaul driver by default from Rafał Bilski.
* PM core fix preventing device suspend errors from happening during system
suspend due to obscure race conditions.
* PM QoS local variable name cleanup.
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Merge tag 'pm+acpi-for-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
- Removal of some ACPICA code that the kernel will never use from Lv
Zheng.
- APEI fix from Adrian Huang.
- Removal of unnecessary ACPI memory hotplug driver code from Liu
Jinsong.
- Minor ACPI power management fixes.
- ACPI debug code fix from Joe Perches.
- ACPI fix to make system bus device nodes get the right names.
- PNP resources handling fixes from Witold Szczeponik.
- cpuidle fix for a recent regression stalling boot on systems with
great numbers of CPUs from Daniel Lezcano.
- cpuidle fixes from Sivaram Nair.
- intel_idle debug message fix from Youquan Song.
- cpufreq build regression fix from Larry Finger.
- cpufreq fix for an obscure initialization race related to statistics
from Konstantin Khlebnikov.
- cpufreq change disabling the Longhaul driver by default from Rafał
Bilski.
- PM core fix preventing device suspend errors from happening during
system suspend due to obscure race conditions.
- PM QoS local variable name cleanup.
* tag 'pm+acpi-for-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: Move disabling/enabling runtime PM to late suspend/early resume
PM / QoS: Rename local variable in dev_pm_qos_add_ancestor_request()
ACPI / scan: Do not use dummy HID for system bus ACPI nodes
cpufreq / governor: Fix problem with cpufreq_ondemand or cpufreq_conservative
cpufreq / Longhaul: Disable driver by default
cpufreq / stats: fix race between stats allocation and first usage
cpuidle: fix lock contention in the idle path
intel_idle: pr_debug information need separated
cpuidle / coupled: fix ready counter decrement
cpuidle: Fix finding state with min power_usage
PNP: Handle IORESOURCE_BITS in resource allocation
PNP: Simplify setting of resources
ACPI / power: Remove useless message from device registering routine
ACPI / glue: Update DBG macro to include KERN_DEBUG
ACPI / PM: Do not apply ACPI_SUCCESS() to acpi_bus_get_device() result
ACPI / memhotplug: remove redundant logic of acpi memory hotadd
ACPI / APEI: Fix the returned value in erst_dbg_read
ACPICA: Remove useless mini-C library.
The 0-day build testing backend noticed that a string could be dereferenced
without validation. Fix that.
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Since commit 8871e99f89 ('asus-laptop: HRWS/HWRS typo'), module
initialisation is very slow on the Asus UL30A. The HWRS method takes
about 12 seconds to run, and subsequent initialisation also seems to
be delayed. Since we don't really need the result, don't bother
calling it on init. Those who are curious can still get the result
through the 'infos' device attribute.
Update the comment about HWRS in show_infos().
Reported-by: ryan <draziw+deb@gmail.com>
References: http://bugs.debian.org/692436
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
SN06 in some cases returns an Integer instead of a buffer. While the
code handling the return value was trying to cope with the difference,
the memcpy call was not making any difference between the two types of
acpi_object union. This regression was introduced in 3.5.
While there also rework the return value logic to improve readability.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=48671
Cc: <stable@vger.kernel.org>
Cc: Fabrizio Narni <shibotto@gmail.com>
Cc: <mus.svz@gmail.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
KEY_TOUCHPAD_TOOGLE key is for notice userland change touchpad state
via xf86-input-synaptics on the machine that don't toggle touchpad in
hardware. But, acer laptop actually toggle touchpad in hardware.
So, this patch change to emit KEY_TOUCHPAD_ON/OFF key when acer-wmi grab
device state of touchpad.
Reference: brc#848270
https://bugzilla.redhat.com/show_bug.cgi?id=848270
Tested-by: Nathanael Noblet <nathanael@gnat.ca>
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Fengguang Wu run coccinelle and warns about:
drivers/platform/x86/acer-wmi.c:1200:17-21: ERROR: obj is NULL but dereferenced.
drivers/platform/x86/acer-wmi.c:891:17-21: ERROR: obj is NULL but dereferenced.
drivers/platform/x86/acer-wmi.c:1953:17-21: ERROR: obj is NULL but dereferenced.
It causes by the code in patch 987dfbaa65 doesn't check
obj variable should not be NULL. There have risk for dereference a NULL obj, so add
this patch to fix.
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Use device_unregister to replace put_device + device_del for
cleanup, and fix the potential use after free.
Signed-off-by: Lans Zhang <jia.zhang@windriver.com>
Signed-off-by: Borislav Petkov <bp@alien8.de>
After f65aad41772f("MIPS: Cavium: Add EDAC support."), when entering
the "Device Drivers" toplevel menu in menuconfig, the suboptions behind
EDAC appeared merged with the rest of the device drivers types. This was
because the menuconfig option EDAC is querying an EDAC_SUPPORT Kconfig
bool which was defined after the menu definition.
When pushing EDAC_SUPPORT up, before the menu definition, the variable
is defined earlier and the above menuconfig artifact doesn't happen.
Drop a useless menuconfig comment while at it.
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Borislav Petkov <bp@alien8.de>
This patch fixes use-after-free and double-free bugs in
edac_mc_sysfs_exit(). mci_pdev has single reference and put_device()
calls mc_attr_release() which calls kfree(). The following
device_del() works with already released memory. An another kfree() in
edac_mc_sysfs_exit() releses the same memory again. Great.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: stable@vger.kernel.org # 3.[67]
Cc: Denis Kirjanov <kirjanov@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Link: http://lkml.kernel.org/r/20121214110310.11019.21098.stgit@zurg
Signed-off-by: Borislav Petkov <bp@alien8.de>
Prevent a divide-by-zero by consistently treating an 'active' CRTC
without a mode set as actually disabled.
This looks to have been first introduced with
commit 2492935248
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Jul 2 20:28:59 2012 +0200
drm/i915: read out the modeset hw state at load and resume time
but then combined with
commit b0a2658acb
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Dec 18 09:37:54 2012 +0100
drm/i915: don't disable disconnected outputs
it finally started oopsing.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reported-and-tested-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
With the ability to pass clocks through DT, now make the pdma
clock of dove pinctrl mandatory. Otherwise, pinctrl will hang
the system when accessing some registers.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
vga-switcheroo with apple-gmux does not switch correctly on my system. The PCI
configuration space is not restored correctly, resulting in MSI not working after switch.
Only useful item in dmesg is:
[ 33.922807] radeon 0000:01:00.0: Refused to change power state, currently in D3
I did some testing, dumping the difference in ms between first succesful switch
from D3 to D0, and it seems that there is slightly more than 20 ms difference when
the device is re-enabled through vga-switcheroo.
So bump the re-enable d3 delay to 20 ms to handle this, which fixes msi not working
on my system after switcheroo-ing. Default d3_delay value is PCI_PM_D3_WAIT, 10 ms.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This reverts commit 9756fe38d1.
The bogus lvds output is actually a lvds->hdmi bridge, which we don't
really support. But unconditionally disabling it breaks some existing
setups.
Reported-by: John Tapsell <johnflux@gmail.com>
References: http://permalink.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/17237
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
As along the error path we do not correct the user pin-count for the
failure, we may end up with userspace believing that it has a pinned
object at offset 0 (when interrupted by a signal for example).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This patch implements the exynos_drm_crtc_finish_pageflip in
exynos_drm_crtc.c. This avoids the duplication of same code
in mixer, fimd and vidi.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Stephane Marchesin <marcheu@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
If fimd is runtime suspended (by DPMS OFF), fimd_suspend does not
call fimd_activate(false) and just returns. Similarily the check in
fimd_resume should not resume if previously runtime_suspended.
Instead the existing check does the opposite. So if fimd was not
runtime suspended, suspend will turn off fimd but resume will not turn
it on. This patch fixes this issue by reversing the condition.
Signed-off-by: Prathyush K <prathyush.k@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
When a channel fails to initialize, we release all ressources,
including clocks. However, a XOR unit is not necessarily associated to
a clock (some variants of Marvell SoCs have a clock for XOR units,
some don't), so we shouldn't unconditionally be releasing the clock.
Instead, just like we do in the mv_xor_remove() function, we should
check if one clock was found before releasing it.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
When mv_xor_channel_add() fails for one XOR channel, we jump to the
err_channel_add label to clean up all previous channels that had been
initialized correctly. Unfortunately, while handling this error
condition, we were disposing the IRQ mapping before calling
mv_xor_channel_remove() (which does the free_irq()), which is
incorrect.
Instead, do things properly in the reverse order of the
initialization: first remove the XOR channel (so that free_irq() is
done), and then dispose the IRQ mapping.
This avoids ugly warnings when for some reason one of the XOR channel
fails to initialize.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
If the Orion WDT driver is built as a module, an opps occurs during
clk lookup when calling mvebu_clk_gating_get_src(). Remove the
inappropriate __init tag so the function is available for modules
after kernel init.
Signed-off-by: Joshua Coombs <josh.coombs@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Improve the documentation to clarify level vs edge triggered power off.
Improve the comments for level vs edge triggered power off.
Make use of gpio_is_valid().
Reported-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Linus Torvalds