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Partial revert of
commit 206645910b9796bff13fcdb67bdca166b724ba62
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Wed Nov 5 14:26:09 2014 -0800
drm/i915: check for audio and infoframe changes across mode sets v2
References: https://bugs.freedesktop.org/show_bug.cgi?id=86683
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Li Xu <li.l.xu@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Pull drm intel fixes from Dave Airlie:
"Two intel stable fixes, that should be it from me for this round"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/i915: Unlock panel even when LVDS is disabled
drm/i915: More cautious with pch fifo underruns
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Pull ACPI backlight fix from Rafael Wysocki:
"This is a simple fix for an ACPI backlight regression introduced by a
recent commit that overlooked a corner case which should have been
taken into account"
* tag 'pm+acpi-3.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / video: update condition to check if device is in _DOD list
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Silence some pch fifo underrun reports and panel locking backtraces,
both cc: stable.
* tag 'drm-intel-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Unlock panel even when LVDS is disabled
drm/i915: More cautious with pch fifo underruns
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Fixes for 3.20. I did stick the gen3/4 reset work from Ville in because we
have an awful lot of gen4 mesa hangs, and with this reset should also work
on vintage i965g/gm (we already have reset for g4x/gen4.5). So should help
to appease users suffering from these hangs. Otherwise all over.
This is the last 3.20 pull from me, from here on Jani will take over. By Ville Syrjälä (8) and others
* tag 'drm-intel-next-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Reject modeset when the same digital port is used more than once
drm/i915: mask RPS IRQs properly when disabling RPS
drm/i915: Tune down spurious CRC interrupt warning
drm/i915: Fix context object leak for legacy contexts
drm/i915/skl: Update in Gen9 multi-engine forcewake range
drm/i915/eDP: When enabling panel VDD cancel pending disable worker
drm/i915: Handle runtime pm in the CRC setup code
drm/i915: Disable crtcs gracefully before GPU reset on gen3/4
drm/i915: Grab modeset locks for GPU rest on pre-ctg
drm/i915: Implement GPU reset for g33
drm/i915: Implement GPU reset for 915/945
drm/i915: Restore the display config after a GPU reset on gen4
drm/i915: Fix gen4 GPU reset
drm/i915: Stop gathering error states for CS error interrupts
drm/i915: Disallow pin ioctl completely for kms drivers
drm/i915: Only warn the first time we attempt to mmio whilst suspended
drm/i915/chv: Enable AVI, SPD and HDMI infoframes for CHV.
drm/i915: Don't clobber crtc->new_config when nothing changes
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Just three more fixes for 3.19.
This is the last request until -rc1. I will have our QA team run a full
HSA stack test on 3.19-rc1 and if we find problems, I will send a fixes pull
request.
* 'amdkfd-next-3.19' of git://people.freedesktop.org/~gabbayo/linux:
amdkfd: Set *buffer_ptr to NULL in case of error
amdkfd: use atomic allocations within srcu callbacks
amdkfd: use sizeof(long) granularity for the pasid bitmask
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- More cursor and hotspot handling fixes
- Fix some typos in the new smc fan control code and enable on CI
- VM and CS cleanups
* 'drm-next-3.19-wip' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: enable smc fan control on CI
drm/radeon: use pointers instead of indexes for CS chunks
drm/radeon: remove duplicates check
drm/ttm: optionally move duplicates to a separate list
drm/radeon: check the right ring in radeon_evict_flags()
drm/radeon: fix copy paste typos in fan control for si/ci
drm/radeon: Hide cursor on CRTCs used by fbdev (v2)
drm/radeon: add spinlock for BO_VA status protection (v2)
drm/radeon: fence PT updates as shared
drm/radeon: rename radeon_cs_reloc to radeon_bo_list
drm/radeon: drop the handle from radeon_cs_reloc
drm/radeon drop gobj from radeon_cs_reloc
drm/radeon: fix typo in new fan control registers for SI/CI
drm/radeon: sync all BOs involved in a CS
drm/radeon: Move hotspot handling out of radeon_set_cursor
drm/radeon: Re-show the cursor after a modeset
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Pull media fixes from Mauro Carvalho Chehab:
"A core fix and some driver fixes:
- regression fix in Remote Controller core affecting RC6 protocol
handling
- fix video buffer handling in cx23885
- race fix in solo6x10
- fix image selection in smiapp
- fix reported payload size on s2255drv
- two updates for MAINTAINERS file"
* tag 'media/v3.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] rc-core: fix toggle handling in the rc6 decoder
MAINTAINERS: Update mchehab's addresses
[media] cx23885: use sg = sg_next(sg) instead of sg++
[media] s2255drv: fix payload size for JPG, MJPEG
[media] Update MAINTAINERS for solo6x10
[media] solo6x10: fix a race in IRQ handler
[media] smiapp: Only some selection targets are settable
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A typo "header=y" was introduced by commit 7071cf7fc435 ("uapi: add
missing network related headers to kbuild").
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Cadence I2C controller has bug wherein it generates invalid read transactions
after timeout in master receiver mode. This driver does not use the HW
timeout and this interrupt is disabled but the feature itself cannot be
disabled. Hence, this patch writes the maximum value (0xFF) to this register.
This is one of the workarounds to this bug and it will not avoid the issue
completely but reduces the chances of error.
Signed-off-by: Vishnu Motghare <vishnum@xilinx.com>
Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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According to I2C specification the NACK should be handled as follows:
"When SDA remains HIGH during this ninth clock pulse, this is defined as the Not
Acknowledge signal. The master can then generate either a STOP condition to
abort the transfer, or a repeated START condition to start a new transfer."
[I2C spec Rev. 6, 3.1.6: http://www.nxp.com/documents/user_manual/UM10204.pdf]
Currently the Davinci i2c driver interrupts the transfer on receipt of a
NACK but fails to send a STOP in some situations and so makes the bus
stuck until next I2C IP reset (idle/enable).
For example, the issue will happen during SMBus read transfer which
consists from two i2c messages write command/address and read data:
S Slave Address Wr A Command Code A Sr Slave Address Rd A D1..Dn A P
<--- write -----------------------> <--- read --------------------->
The I2C client device will send NACK if it can't recognize "Command Code"
and it's expected from I2C master to generate STP in this case.
But now, Davinci i2C driver will just exit with -EREMOTEIO and STP will
not be generated.
Hence, fix it by generating Stop condition (STP) always when NACK is received.
This patch fixes Davinci I2C in the same way it was done for OMAP I2C
commit cda2109a26eb ("i2c: omap: query STP always when NACK is received").
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reported-by: Hein Tibosch <hein_tibosch@yahoo.es>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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Just like 0x1600 which got blacklisted by 66a7cbc303f4 ("ahci: disable
MSI instead of NCQ on Samsung pci-e SSDs on macbooks"), 0xa800 chokes
on NCQ commands if MSI is enabled. Disable MSI.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Dominik Mierzejewski <dominik@greysector.net>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=89171
Cc: stable@vger.kernel.org
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Note that the read manpages explicitly states that the read position
is undefined on error. Since EFAULT is just a userspace bug we are
therefore fine with just dropping the event on the floor.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
[danvet: Add note that just dropping the event is ok.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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In function acquire_packet_buffer() we may return -ENOMEM. In that case, we
should set the *buffer_ptr to NULL, so that calling functions which check the
*buffer_ptr value as a criteria for success, will know that
acquire_packet_buffer() failed.
Reviewed-by: Alexey Skidanov <alexey.skidanov@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
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The "DRM" rowspan wasn't updated in commit cc7096fb6d1d (drm/mode: document path
property and function to set it. (v1.1)), so increment it by one to fix the
table.
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It appears that some SCHEDULE_USER (asm for schedule_user) callers
in arch/x86/kernel/entry_64.S are called from RCU kernel context,
and schedule_user will return in RCU user context. This causes RCU
warnings and possible failures.
This is intended to be a minimal fix suitable for 3.18.
Reported-and-tested-by: Dave Jones <davej@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This seems to work well on CI boards after fixing the
last few bugs noticed by Chernovsky Oleg.
On boards with a high default fan speed this should
reduce fan noise. Manual fan control is not enabled
yet.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Nobody is interested at which index the chunk is. What's needed is
a pointer to the chunk. Remove unused chunk_id field as well.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Completely unnecessary since the ww_mutex used to reserve a buffer
can detect double reservations from the same thread anyway.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch adds an optional list_head parameter to ttm_eu_reserve_buffers.
If specified duplicates in the execbuf list are no longer reported as errors,
but moved to this list instead.
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Check the that ring we are using for copies is functional
rather than the GFX ring. On newer asics we use the DMA
ring for bo moves.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Pull i2c bugfixes from Wolfram Sang:
"A few driver bugfixes for 3.18"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: omap: fix i207 errata handling
i2c: designware: prevent early stop on TX FIFO empty
i2c: omap: fix NACK and Arbitration Lost irq handling
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Pull PCI fix from Bjorn Helgaas:
"This fixes a Tegra20 regression that we introduced during the v3.18
merge window"
* tag 'pci-v3.18-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: tegra: Use physical range for I/O mapping
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Pull devicetree bugfix from Grant Likely:
"One more bug fix for v3.18. I debated whether or not to send you this
merge request because we're at such a late rc. The bug isn't critical
in that there is only one system known to be affected and the patch is
easy to backport. The codepath is used by pretty much every DT based
system, so there is risk a of regression (it /should/ be safe, but
I've been bitten by stuff that should be safe before). I've had it in
linux-next for a week and haven't received any complaints.
I think it probably should just be merged right away rather than
waiting for the merge window and backporting. It does fix a real bug
and the code is theoretically safer after the change. I can't think
of any situation where it would be dangerous to reserve the DT memory
an extra time.
Summary from tag:
Single bugfix for boot failure seen in the wild. The memory reserve
code tries to be clever about reserving the FDT, but it should just
go ahead and reserve it unconditionally to avoid the problem of
partial overlap described in the patch"
* tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
of/fdt: memblock_reserve /memreserve/ regions in the case of partial overlap
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Pull block core regression fix from Jens Axboe:
"Single fix for a regression introduced in this development cycle,
where dm on top of dif/dix is broken. From Darrick Wong"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix regression where bio_integrity_process uses wrong bio_vec iterator
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Pull drm fixes from Dave Airlie:
"Radeon and Nouveau fixes:
So nouveau had a few regression introduced, Ben and Maarten finally
tracked down the one that was causing problems on my MacBookPro, also
nvidia gave some info on the an engine we were using incorrectly, so
disable our use of it, and one regresion with pci hotplug affecting
optimus users.
Radeon has an oops fixs, sync fix, and one workaround to avoid broken
functionality on 32-bit x86, this needs better root causing and a
better fix, but the bandaid is a lot safer at this point"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with 3.18.0-rc6
drm/radeon: Ignore RADEON_GEM_GTT_WC on 32-bit x86
drm/radeon: sync all BOs involved in a CS v2
nouveau: move the hotplug ignore to correct place.
drm/nouveau/gf116: remove copy1 engine
drm/nouveau: prevent stale fence->channel pointers, and protect with rcu
drm/nouveau/fifo/g84-: ack non-stall interrupt before handling it
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Pull networking fixes from David Miller:
1) Fill in ethtool link parameters for all link types in cxgb4, from
Hariprasad Shenai.
2) Fix probe regressions in stmmac driver, from Huacai Chen.
3) Network namespace leaks on errirs in rtnetlink, from Nicolas
Dichtel.
4) Remove erroneous BUG check which can actually trigger legitimately,
in xen-netfront. From Seth Forshee.
5) Validate length of IFLA_BOND_ARP_IP_TARGET netlink attributes, from
Thomas Grag.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
cxgb4: Fill in supported link mode for SFP modules
xen-netfront: Remove BUGs on paged skb data which crosses a page boundary
sh_eth: Fix sleeping function called from invalid context
stmmac: platform: Move plat_dat checking earlier
sh_eth: Fix skb alloc size and alignment adjust rule.
rtnetlink: release net refcnt on error in do_setlink()
bond: Check length of IFLA_BOND_ARP_IP_TARGET attributes
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Since we are now preserving the cursor across modesets, the cursor could
be left over in console if e.g. X crashed.
v2: add comment about universal plane support
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Stop using the VM mutex for this
v2: fix typo in comment
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The BO_VA contains everything necessary.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Better match what it is actually doing.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It's only used for duplicate check and that
can be done on the original as well.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It's only used once after initializing and that
ptr can be calculated from the BO as well.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Not just the userspace relocs, otherwise we won't wait
for a swapped out page tables to be swapped in again.
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It's only needed in radeon_crtc_cursor_set2.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Setting a mode seems to clear the cursor registers, so we need to
re-program them to make sure the cursor is visible.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Pull keyring/nfs fixes from James Morris:
"From David Howells:
The first one fixes the handling of maximum buffer size for key
descriptions, fixing the size at 4095 + NUL char rather than whatever
PAGE_SIZE happens to be and permits you to read back the full
description without it getting clipped because some extra information
got prepended.
The second and third fix a bug in NFS idmapper handling whereby a key
representing a mapping between an id and a name expires and causing
EKEYEXPIRED to be seen internally in NFS (which prevents the mapping
from happening) rather than re-looking up the mapping"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
KEYS: request_key() should reget expired keys rather than give EKEYEXPIRED
KEYS: Simplify KEYRING_SEARCH_{NO,DO}_STATE_CHECK flags
KEYS: Fix the size of the key description passed to/from userspace
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Merge misc fixes from Andrew Morton:
"10 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
slab: fix nodeid bounds check for non-contiguous node IDs
lib/genalloc.c: export devm_gen_pool_create() for modules
mm: fix anon_vma_clone() error treatment
mm: fix swapoff hang after page migration and fork
fat: fix oops on corrupted vfat fs
ipc/sem.c: fully initialize sem_array before making it visible
drivers/input/evdev.c: don't kfree() a vmalloc address
mm/vmpressure.c: fix race in vmpressure_work_fn()
mm: frontswap: invalidate expired data on a dup-store failure
mm: do not overwrite reserved pages counter at show_mem()
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The bounds check for nodeid in ____cache_alloc_node gives false
positives on machines where the node IDs are not contiguous, leading to
a panic at boot time. For example, on a POWER8 machine the node IDs are
typically 0, 1, 16 and 17. This means that num_online_nodes() returns
4, so when ____cache_alloc_node is called with nodeid = 16 the VM_BUG_ON
triggers, like this:
kernel BUG at /home/paulus/kernel/kvm/mm/slab.c:3079!
Call Trace:
.____cache_alloc_node+0x5c/0x270 (unreliable)
.kmem_cache_alloc_node_trace+0xdc/0x360
.init_list+0x3c/0x128
.kmem_cache_init+0x1dc/0x258
.start_kernel+0x2a0/0x568
start_here_common+0x20/0xa8
To fix this, we instead compare the nodeid with MAX_NUMNODES, and
additionally make sure it isn't negative (since nodeid is an int). The
check is there mainly to protect the array dereference in the get_node()
call in the next line, and the array being dereferenced is of size
MAX_NUMNODES. If the nodeid is in range but invalid (for example if the
node is off-line), the BUG_ON in the next line will catch that.
Fixes: 14e50c6a9bc2 ("mm: slab: Verify the nodeid passed to ____cache_alloc_node")
Signed-off-by: Paul Mackerras <paulus@samba.org>
Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Modules can use this function for creating pool.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Cc: Laura Abbott <lauraa@codeaurora.org>
Cc: Olof Johansson <olof@lixom.net>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Andrew Morton noticed that the error return from anon_vma_clone() was
being dropped and replaced with -ENOMEM (which is not itself a bug
because the only error return value from anon_vma_clone() is -ENOMEM).
I did an audit of callers of anon_vma_clone() and discovered an actual
bug where the error return was being lost. In __split_vma(), between
Linux 3.11 and 3.12 the code was changed so the err variable is used
before the call to anon_vma_clone() and the default initial value of
-ENOMEM is overwritten. So a failure of anon_vma_clone() will return
success since err at this point is now zero.
Below is a patch which fixes this bug and also propagates the error
return value from anon_vma_clone() in all cases.
Fixes: ef0855d334e1 ("mm: mempolicy: turn vma_set_policy() into vma_dup_policy()")
Signed-off-by: Daniel Forrest <dan.forrest@ssec.wisc.edu>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Tim Hartrick <tim@edgecast.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org> [3.12+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I've been seeing swapoff hangs in recent testing: it's cycling around
trying unsuccessfully to find an mm for some remaining pages of swap.
I have been exercising swap and page migration more heavily recently,
and now notice a long-standing error in copy_one_pte(): it's trying to
add dst_mm to swapoff's mmlist when it finds a swap entry, but is doing
so even when it's a migration entry or an hwpoison entry.
Which wouldn't matter much, except it adds dst_mm next to src_mm,
assuming src_mm is already on the mmlist: which may not be so. Then if
pages are later swapped out from dst_mm, swapoff won't be able to find
where to replace them.
There's already a !non_swap_entry() test for stats: move that up before
the swap_duplicate() and the addition to mmlist.
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Kelley Nielsen <kelleynnn@gmail.com>
Cc: <stable@vger.kernel.org> [2.6.18+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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a) don't bother with ->d_time for positives - we only check it for
negatives anyway.
b) make sure to set it at unlink and rmdir time - at *that* point
soon-to-be negative dentry matches then-current directory contents
c) don't go into renaming of old alias in vfat_lookup() unless it
has the same parent (which it will, unless we are seeing corrupted
image)
[hirofumi@mail.parknet.co.jp: make change minimum, don't call d_move() for dir]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: <stable@vger.kernel.org> [3.17.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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ipc_addid() makes a new ipc identifier visible to everyone. New objects
start as locked, so that the caller can complete the initialization
after the call. Within struct sem_array, at least sma->sem_base and
sma->sem_nsems are accessed without any locks, therefore this approach
doesn't work.
Thus: Move the ipc_addid() to the end of the initialization.
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Reported-by: Rik van Riel <riel@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Acked-by: Rafael Aquini <aquini@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If kzalloc() failed and then evdev_open_device() fails, evdev_open()
will pass a vmalloc'ed pointer to kfree.
This might fix https://bugzilla.kernel.org/show_bug.cgi?id=88401, where
there was a crash in kfree().
Reported-by: Christian Casteyde <casteyde.christian@free.fr>
Belatedly-Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Henrik Rydberg <rydberg@euromail.se>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 18df89fef2d5 ("drm: Decouple EDID parsing from I2C adapter")
renamed the adapter parameter of the drm_do_probe_ddc_edid function
to data but didn't update the kerneldoc accordingly.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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srcu callbacks are running in atomic context, we can't allocate using
__GFP_WAIT.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
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All the bit operations (such as find_first_zero_bit()) read sizeof(long) bytes
at a time. If we allocated less than sizeof(long) bytes for the bitmask we
would be accessing invalid memory when working with the bitmask.
Change the allocator to allocate sizeof(long) multiples for the bitmask.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
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Jesse Barnes
Linus Torvalds
Dave Airlie
Masahiro Yamada
Vishnu Motghare
Grygorii Strashko
Tejun Heo
Takashi Iwai
Oded Gabbay
Sean Paul
Andy Lutomirski
Alex Deucher
Christian König
Michel Dänzer
Paul Mackerras
Michal Simek
Daniel Forrest
Hugh Dickins
Al Viro
Manfred Spraul
Andrew Morton
Thierry Reding
Sasha Levin