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With the introduction of multiple views of an obj in the same vm, each
vma was taught to cache its copy of the pages (so that different views
could have different page arrangements). However, this missed decoupling
those vma->ggtt_view.pages when the vma released its reference on the
obj->pages. As we don't always free the vma, this leads to a possible
scenario (e.g. execbuffer interrupted by the shrinker) where the vma
points to a stale obj->pages, and explodes.
Fixes regression from commit fe14d5f4e5468c5b80a24f1a64abcbe116143670
Author: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Wed Dec 10 17:27:58 2014 +0000
drm/i915: Infrastructure for supporting different GGTT views per object
Tvrtko says, if someone else will be confused how this can happen, key
is the reservation execbuffer path. That puts the VMA on the exec_list
which prevents i915_vma_unbind and i915_gem_vma_destroy from fully
destroying the VMA. So the VMA is left existing as an empty object in
the list - unbound and disassociated with the backing store. Kind of a
cached memory object. And then re-using it needs to clear the cached
pages pointer which is fixed above.
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1227892
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
[Jani: Added Tvrtko's explanation to commit message.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Pull dmaengine fixes from Vinod Koul:
"Here are hopefully last set of fixes for 4.1. This time we have:
- fixing pause capability reporting on both dmaengine pause & resume
support by Krzysztof
- locking fix fir at_xdmac by Ludovic
- slave configuration fix for at_xdmac by Ludovic"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: Fix choppy sound because of unimplemented resume
dmaengine: at_xdmac: rework slave configuration part
dmaengine: at_xdmac: lock fixes
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Pull NTB fixes from Jon Mason:
"I apologize for the tardiness of this request. Here are a couple of
last minute NTB bug fixes for v4.1:
NTB bug fixes to address issues in unmapping the MW reg base and
vbase, and an uninitialized variable on Atom platforms"
* tag 'ntb-4.1' of git://github.com/jonmason/ntb:
ntb: initialize max_mw for Atom before using it
ntb: iounmap MW reg and vbase in error path
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Pull more MIPS fixes from Ralf Baechle:
"Another round of 4.1 MIPS fixes, one fix to a MIPS-specific #if
condition in lib/mpi, one fix to the MIPS GIC irqchip driver and one
SSB fix.
Details:
- fix handling of clock in chipco SSB driver.
- fix two MIPS-specific #if conditions to correctly work for GCC 5.1.
- fix damage to R6 pgtable bits done by XPA support.
- fix possible crash due to unloading modules that contain statically
defined platform devices.
- fix disabling of the MSA ASE on context switch to also work
correctly when a new thread/process has the CPU for the very first
time.
This is part of linux-next and has been beaten to death on
Imagination's test farm.
While things are not looking too grim this pull request also means the
rate of fixes for 4.1 remains nearly constant so I'd not be unhappy if
you'd delay the release"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MPI: MIPS: Fix compilation error with GCC 5.1
IRQCHIP: mips-gic: Don't nest calls to do_IRQ()
MIPS: MSA: bugfix - disable MSA correctly for new threads/processes.
MIPS: Loongson: Do not register 8250 platform device from module.
MIPS: Cobalt: Do not build MTD platform device registration code as module.
SSB: Fix handling of ssb_pmu_get_alp_clock()
MIPS: pgtable-bits: Fix XPA damage to R6 definitions.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irqchip fix from Thomas Gleixner:
"A single fix for an off by one bug in the sunxi irqchip driver"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: sunxi-nmi: Fix off-by-one error in irq iterator
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull lockdep fix from Ingo Molnar:
"A lockdep/modules unload race fix that can oops"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lockdep: Fix a race between /proc/lock_stat and module unload
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"A regression fix for a crash, and a Intel HSW uncore PMU driver fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization"
perf/x86/intel/uncore: Fix CBOX bit wide and UBOX reg on Haswell-EP
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Most of commits are regression fixes for HD-audio: a few corner case
fixes for regmap transition, and i915 binding issues.
In addition, a quirk for another USB-audio device supporting DSD"
* tag 'sound-4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Abort the probe without i915 binding for HSW/BDW
ALSA: hda - Re-add the lost fake mute support
ALSA: hda - Continue probing even if i915 binding fails
ALSA: hda - Don't actually write registers for caps overwrites
ALSA: hda - fix number of devices query on hotplug
ALSA: usb-audio: add native DSD support for JLsounds I2SoverUSB
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This patch fixes mips compilation error:
lib/mpi/generic_mpih-mul1.c: In function 'mpihelp_mul_1':
lib/mpi/longlong.h:651:2: error: impossible constraint in 'asm'
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/10546/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The GIC chained handlers use do_IRQ() to call the subhandlers. This
means that irq_enter() calls get nested, which leads to preempt count
looking like we're in nested interrupts, which in turn leads to all
system time being accounted as IRQ time in account_system_time().
Fix it by using generic_handle_irq(). Since these same functions are
used in some systems (if cpu_has_veic) from a low-level vectored
interrupt handler which does not go throught do_IRQ(), we need to do it
conditionally.
Signed-off-by: Rabin Vincent <rabin.vincent@axis.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
Cc: tglx@linutronix.de
Cc: jason@lakedaemon.net
Patchwork: https://patchwork.linux-mips.org/patch/10545/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Pull networking fixes from David Miller:
1) Fix uninitialized struct station_info in cfg80211_wireless_stats(),
from Johannes Berg.
2) Revert commit attempt to fix ipv6 protocol resubmission, it adds
regressions.
3) Endless loops can be created in bridge port lists, fix from Nikolay
Aleksandrov.
4) Don't WARN_ON() if sk->sk_forward_alloc is non-zero in
sk_clear_memalloc, it is a legal situation during swap deactivation.
Fix from Mel Gorman.
5) Fix order of disabling interrupts and unlocking NAPI in enic driver
to avoid a race. From Govindarajulu Varadarajan.
6) High and low register writes are swapped when programming the start
of periodic output in igb driver. From Richard Cochran.
7) Fix device rename handling in mpls stack, from Robert Shearman.
8) Do not trigger compaction synchronously when optimistically trying
to allocate an order 3 page in alloc_skb_with_frags() and
skb_page_frag_refill(). From Shaohua Li.
9) Authentication with COOKIE_ECHO is not handled properly in SCTP, fix
from Marcelo Ricardo Leitner.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
Doc: networking: Fix URL for wiki.wireshark.org in udplite.txt
sctp: allow authenticating DATA chunks that are bundled with COOKIE_ECHO
net: don't wait for order-3 page allocation
mpls: handle device renames for per-device sysctls
net: igb: fix the start time for periodic output signals
enic: fix memory leak in rq_clean
enic: check return value for stat dump
enic: unlock napi busy poll before unmasking intr
net, swap: Remove a warning and clarify why sk_mem_reclaim is required when deactivating swap
bridge: fix multicast router rlist endless loop
tipc: disconnect socket directly after probe failure
Revert "ipv6: Fix protocol resubmission"
cfg80211: wext: clear sinfo struct before calling driver
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This patch fix URL (http to https) for wiki.wireshark.org.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, we can ask to authenticate DATA chunks and we can send DATA
chunks on the same packet as COOKIE_ECHO, but if you try to combine
both, the DATA chunk will be sent unauthenticated and peer won't accept
it, leading to a communication failure.
This happens because even though the data was queued after it was
requested to authenticate DATA chunks, it was also queued before we
could know that remote peer can handle authenticating, so
sctp_auth_send_cid() returns false.
The fix is whenever we set up an active key, re-check send queue for
chunks that now should be authenticated. As a result, such packet will
now contain COOKIE_ECHO + AUTH + DATA chunks, in that order.
Reported-by: Liu Wei <weliu@redhat.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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http://ftp.arm.linux.org.uk/pub/armlinux/kernel/git-cur/linux-2.6-arm into next/cleanup
* 'for-arm-soc' of http://ftp.arm.linux.org.uk/pub/armlinux/kernel/git-cur/linux-2.6-arm:
ARM: fix EFM32 build breakage caused by cpu_resume_arm
ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM state
ARM: v7 setup function should invalidate L1 cache
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commit dcf9a03bff4e (ARM: multi_v7_defconfig: Enable PMIC and MUIC
drivers for exynos) mistakenly added an duplicate line for
CONFIG_COMMON_CLK_QCOM=y. Remove it.
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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Fix:
arch/arm/kernel/sleep.S:121: Error: selected processor does not support ARM opcodes
arch/arm/kernel/sleep.S:123: Error: attempt to use an ARM instruction on a Thumb-only processor -- `adr r9,1f+1'
arch/arm/kernel/sleep.S:124: Error: attempt to use an ARM instruction on a Thumb-only processor -- `bx r9'
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Some platforms always enter the kernel in the ARM state even if
the kernel is compiled for THUMB2. Add a small wrapper on top of
cpu_resume() that switches into THUMB2 state.
This provides the functionality to fix a problem reported by Kevin
Hilman on next-20150601 where the ifc6410 fails to boot a THUMB2
kernel because the platform's firmware always enters the kernel in
ARM mode from deep idle states.
(rmk: tweaked to work without BSYM->badr changes.)
Reported-by: Kevin Hilman <khilman@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Lina Iyer <lina.iyer@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Pull block layer fixes from Jens Axboe:
"Remember about a week ago when I sent the last pull request for 4.1?
Well, I lied. Now, I don't want to shift the blame, but Dan, Ming,
and Richard made a liar out of me.
Here are three small patches that should go into 4.1. More
specifically, this pull request contains:
- A Kconfig dependency for the pmem block driver, so it can't be
selected if HAS_IOMEM isn't availble. From Richard Weinberger.
- A fix for genhd, making the ext_devt_lock softirq safe. This makes
lockdep happier, since we also end up grabbing this lock on release
off the softirq path. From Dan Williams.
- A blk-mq software queue release fix from Ming Lei.
Last two are headed to stable, first fixes an issue introduced in this
cycle"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: pmem: Add dependency on HAS_IOMEM
block: fix ext_dev_lock lockdep report
blk-mq: free hctx->ctxs in queue's release handler
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Pull three more md fixes from Neil Brown:
"Hasn't been a good cycle for md has it :-(
The main issue fixed here is a rare race which can result in two
reshape threads running at once, which doesn't end well.
Also a minor issue with a write to a sysfs file returning the wrong
value. Backports to 4.0-stable are indicated"
* tag 'md/4.1-rc7-fixes' of git://neil.brown.name/md:
md: make sure MD_RECOVERY_DONE is clear before starting recovery/resync
md: Close race when setting 'action' to 'idle'.
md: don't return 0 from array_state_store
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Pull VT-d hardware workarounds from David Woodhouse:
"This contains a workaround for hardware issues which I *thought* were
never going to be seen on production hardware. I'm glad I checked
that before the 4.1 release...
Firstly, PASID support is so broken on existing chips that we're just
going to declare the old capability bit 28 as 'reserved' and change
the VT-d spec to move PASID support to another bit. So any existing
hardware doesn't support SVM; it only sets that (now) meaningless bit
28.
That patch *wasn't* imperative for 4.1 because we don't have PASID
support yet. But *even* the extended context tables are broken — if
you just enable the wider tables and use none of the new bits in them,
which is precisely what 4.1 does, you find that translations don't
work. It's this problem which I thought was caught in time to be
fixed before production, but wasn't.
To avoid triggering this issue, we now *only* enable the extended
context tables on hardware which also advertises "we have PASID
support and we actually tested it this time" with the new PASID
feature bit.
In addition, I've added an 'intel_iommu=ecs_off' command line
parameter to allow us to disable it manually if we need to"
* git://git.infradead.org/intel-iommu:
iommu/vt-d: Only enable extended context tables if PASID is supported
iommu/vt-d: Change PASID support to bit 40 of Extended Capability Register
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Although the extended tables are theoretically a completely orthogonal
feature to PASID and anything else that *uses* the newly-available bits,
some of the early hardware has problems even when all we do is enable
them and use only the same bits that were in the old context tables.
For now, there's no motivation to support extended tables unless we're
going to use PASID support to do SVM. So just don't use them unless
PASID support is advertised too. Also add a command-line bailout just in
case later chips also have issues.
The equivalent problem for PASID support has already been fixed with the
upcoming VT-d spec update and commit bd00c606a ("iommu/vt-d: Change
PASID support to bit 40 of Extended Capability Register"), because the
problematic platforms use the old definition of the PASID-capable bit,
which is now marked as reserved and meaningless.
So with this change, we'll magically start using ECS again only when we
see the new hardware advertising "hey, we have PASID support and we
actually tested it this time" on bit 40.
The VT-d hardware architect has promised that we are not going to have
any reason to support ECS *without* PASID any time soon, and he'll make
sure he checks with us before changing that.
In the future, if hypothetical new features also use new bits in the
context tables and can be seen on implementations *without* PASID support,
we might need to add their feature bits to the ecs_enabled() macro.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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MD_RECOVERY_DONE is normally cleared by md_check_recovery after a
resync etc finished. However it is possible for raid5_start_reshape
to race and start a reshape before MD_RECOVERY_DONE is cleared. This
can lean to multiple reshapes running at the same time, which isn't
good.
To make sure it is cleared before starting a reshape, and also clear
it when reaping a thread, just to be safe.
Signed-off-by: NeilBrown <neilb@suse.de>
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Checking ->sync_thread without holding the mddev_lock()
isn't really safe, even after flushing the workqueue which
ensures md_start_sync() has been run.
While this code is waiting for the lock, md_check_recovery could reap
the thread itself, and then start another thread (e.g. recovery might
finish, then reshape starts). When this thread gets the lock
md_start_sync() hasn't run so it doesn't get reaped, but
MD_RECOVERY_RUNNING gets cleared. This allows two threads to start
which leads to confusion.
So don't both if MD_RECOVERY_RUNNING isn't set, but if it is do
the flush and the test and the reap all under the mddev_lock to
avoid any race with md_check_recovery.
Signed-off-by: NeilBrown <neilb@suse.de>
Fixes: 6791875e2e53 ("md: make reconfig_mutex optional for writes to md sysfs files.")
Cc: stable@vger.kernel.org (v4.0+)
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Returning zero from a 'store' function is bad.
The return value should be either len length of the string
or an error.
So use 'len' if 'err' is zero.
Fixes: 6791875e2e53 ("md: make reconfig_mutex optional for writes to md sysfs files.")
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@vger.kernel (v4.0+)
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Some drivers implement only pause operation (no resuming). Example is
pl330 where pause is needed for getting residuum. pl330 does not support
resume operation, transfer must be stopped after pause.
However for slaves this is exposed always as "pause and resume" which
introduces subtle errors on Odroid U3 board (Exynos4412 with pl330).
After adding pause function to pl330 driver the audio playback
(utilizing DMA) gets choppy after some time (approximately 24 hours).
Fix this by exposing "cmd_pause" if and only if pause and resume are
implemented.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: gabriel@unseen.is
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: <stable@vger.kernel.org>
Fixes: 88987d2c7534 ("dmaengine: pl330: add DMA_PAUSE feature")
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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The previous patch tried to continue the probe if i915 binding fails.
For for simplicity reason, we haven't implemented abort even for
controller chips that are dedicated for HDMI/DP on HSW and BDW.
However, Mengdong suggested that this can be dangerous; BIOS may
disable gfx power well although the PCI entry for HD-audio is left,
and this may result in the unexpected behavior, kernel errors, etc.
For avoiding this situation, abort the probe at i915 binding failure
only for HSW/BDW chips selectively. For other chips, it still
continues.
Fixes: bf06848bdbe5 ('ALSA: hda - Continue probing even if i915 binding fails')
Reported-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Pull drm fixes from Dave Airlie:
"i915 and radeon fixes:
i915:
fix for connector oops regression
DDC probing fix
radeon:
two radeon reverts, along with a freeze workaround and a fix"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: Make sure radeon_vm_bo_set_addr always unreserves the BO
Revert "drm/radeon: adjust pll when audio is not enabled"
Revert "drm/radeon: don't share plls if monitors differ in audio support"
drm/radeon: fix freeze for laptop with Turks/Thames GPU.
drm/i915: Fix DDC probe for passive adapters
drm/i915: Properly initialize SDVO analog connectors
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We saw excessive direct memory compaction triggered by skb_page_frag_refill.
This causes performance issues and add latency. Commit 5640f7685831e0
introduces the order-3 allocation. According to the changelog, the order-3
allocation isn't a must-have but to improve performance. But direct memory
compaction has high overhead. The benefit of order-3 allocation can't
compensate the overhead of direct memory compaction.
This patch makes the order-3 page allocation atomic. If there is no memory
pressure and memory isn't fragmented, the alloction will still success, so we
don't sacrifice the order-3 benefit here. If the atomic allocation fails,
direct memory compaction will not be triggered, skb_page_frag_refill will
fallback to order-0 immediately, hence the direct memory compaction overhead is
avoided. In the allocation failure case, kswapd is waken up and doing
compaction, so chances are allocation could success next time.
alloc_skb_with_frags is the same.
The mellanox driver does similar thing, if this is accepted, we must fix
the driver too.
V3: fix the same issue in alloc_skb_with_frags as pointed out by Eric
V2: make the changelog clearer
Cc: Eric Dumazet <edumazet@google.com>
Cc: Chris Mason <clm@fb.com>
Cc: Debabrata Banerjee <dbavatar@gmail.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Fix for the regression Linus called out, and another for probing
dongles.
* tag 'drm-intel-fixes-2015-06-11' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Fix DDC probe for passive adapters
drm/i915: Properly initialize SDVO analog connectors
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into drm-fixes
Two regression reverts, and two fixes, one for a dpm boot freeze.
* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: Make sure radeon_vm_bo_set_addr always unreserves the BO
Revert "drm/radeon: adjust pll when audio is not enabled"
Revert "drm/radeon: don't share plls if monitors differ in audio support"
drm/radeon: fix freeze for laptop with Turks/Thames GPU.
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If a device is renamed and the original name is subsequently reused
for a new device, the following warning is generated:
sysctl duplicate entry: /net/mpls/conf/veth0//input
CPU: 3 PID: 1379 Comm: ip Not tainted 4.1.0-rc4+ #20
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
0000000000000000 0000000000000000 ffffffff81566aaf 0000000000000000
ffffffff81236279 ffff88002f7d7f00 0000000000000000 ffff88000db336d8
ffff88000db33698 0000000000000005 ffff88002e046000 ffff8800168c9280
Call Trace:
[<ffffffff81566aaf>] ? dump_stack+0x40/0x50
[<ffffffff81236279>] ? __register_sysctl_table+0x289/0x5a0
[<ffffffffa051a24f>] ? mpls_dev_notify+0x1ff/0x300 [mpls_router]
[<ffffffff8108db7f>] ? notifier_call_chain+0x4f/0x70
[<ffffffff81470e72>] ? register_netdevice+0x2b2/0x480
[<ffffffffa0524748>] ? veth_newlink+0x178/0x2d3 [veth]
[<ffffffff8147f84c>] ? rtnl_newlink+0x73c/0x8e0
[<ffffffff8147f27a>] ? rtnl_newlink+0x16a/0x8e0
[<ffffffff81459ff2>] ? __kmalloc_reserve.isra.30+0x32/0x90
[<ffffffff8147ccfd>] ? rtnetlink_rcv_msg+0x8d/0x250
[<ffffffff8145b027>] ? __alloc_skb+0x47/0x1f0
[<ffffffff8149badb>] ? __netlink_lookup+0xab/0xe0
[<ffffffff8147cc70>] ? rtnetlink_rcv+0x30/0x30
[<ffffffff8149e7a0>] ? netlink_rcv_skb+0xb0/0xd0
[<ffffffff8147cc64>] ? rtnetlink_rcv+0x24/0x30
[<ffffffff8149df17>] ? netlink_unicast+0x107/0x1a0
[<ffffffff8149e4be>] ? netlink_sendmsg+0x50e/0x630
[<ffffffff8145209c>] ? sock_sendmsg+0x3c/0x50
[<ffffffff81452beb>] ? ___sys_sendmsg+0x27b/0x290
[<ffffffff811bd258>] ? mem_cgroup_try_charge+0x88/0x110
[<ffffffff811bd5b6>] ? mem_cgroup_commit_charge+0x56/0xa0
[<ffffffff811d7700>] ? do_filp_open+0x30/0xa0
[<ffffffff8145336e>] ? __sys_sendmsg+0x3e/0x80
[<ffffffff8156c3f2>] ? system_call_fastpath+0x16/0x75
Fix this by unregistering the previous sysctl table (registered for
the path containing the original device name) and re-registering the
table for the path containing the new device name.
Fixes: 37bde79979c3 ("mpls: Per-device enabling of packet input")
Reported-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Omap hwmod changes for v4.2 via Paul Walmsley <paul@pwsan.com>:
Several OMAP2+ hwmod changes for v4.2. One patch cleans up a nasty
interaction between the OMAP GPMC and the hwmod code when debugging is
enabled. IP block integration data has been added for the AM43xx EMIF
RAM controller. There's also a fix for the omap-aes driver when used in
QEMU. And finally, some changes to the OMAP3 hwmod code to support the
use of the security IP blocks (AES and SHA) on GP devices, or when they've
specifically been enabled in the DT data.
Basic build, boot, and power management test results are here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.2/20150601192349/
* tag 'omap-for-v4.2/soc-pt1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP3: Fix crypto support for HS devices
ARM: OMAP2+: Return correct error values from device and hwmod
ARM: OMAP: AM43xx hwmod: Add data for am43xx emif hwmod
memory: omap-gpmc: Add Kconfig option for debug
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/defconfig
Few omap2plus_defconfig changes for v4.2 merge window:
- Enable dm9000 as built-in for NFSroot
- Enable dm816x USB phy as a loadable module
- Enable Pixcir touch screen as a loadable module
* tag 'omap-for-v4.2/o2_dc' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: omap2plus_defconfig: Enable TOUCHSCREEN_PIXCIR
ARM: omap2plus_defconfig: Add dm816x USB PHY as a loadable module
ARM: omap2plus_defconifg: Enable DM9000 in omap2plus_defconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Few more omap device tree changes for v4.2 merge window:
- Add dm9000 Ethernet support to omap3-devkit8000
- Add Toby-Churchill SL50 board support
- Add vendor prefix for Toby Churchill Ltd
* tag 'omap-for-v4.2/dt-pt2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am335x-sl50: Add Toby-Churchill SL50 board support.
of: Add vendor prefix for Toby Churchill Ltd.
ARM: dts: omap3-devkit8000: Add dm9000 support
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* zte/soc:
ARM: zx: Add basic defconfig support for ZX296702
ARM: dts: zx: add an initial zx296702 dts and doc
clk: zx: add clock support to zx296702
dt-bindings: Add #defines for ZTE ZX296702 clocks
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Add basic defconfig support to zx SOC, including uart, mmc
and other common config
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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Add initial dts file and document for ZX296702 and board ZX296702-AD1.
More peripherals will be added later.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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It adds a clock driver for zx296702 SoC to register the clock tree to
Common Clock Framework. All the clocks of bus topology and some the
peripheral clocks are ready with this commit. Some missing leaf clocks
for peripherals will be added later when needed.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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Add clocks defines for the global clock controller
found on ZTE ZX296702 SoCs.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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When programming the start of a periodic output, the code wrongly places
the seconds value into the "low" register and the nanoseconds into the
"high" register. Even though this is backwards, it slipped through my
testing, because the re-arming code in the interrupt service routine is
correct, and the signal does appear starting with the second edge.
This patch fixes the issue by programming the registers correctly.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* socfpga/soc:
ARM: socfpga: fix build error due to secondary_startup
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After commit 02b4e2756e01 (ARM: v7 setup function should invalidate L1
cache) the soc specific secondary_startup is removed, causing build
failures:
../arch/arm/mach-socfpga/platsmp.c: In function 'socfpga_a10_boot_secondary':
../arch/arm/mach-socfpga/platsmp.c:66:140: error: 'socfpga_secondary_startup' undeclared (first use in this function)
../arch/arm/mach-socfpga/platsmp.c:66:140: note: each undeclared identifier is reported only once for each function it appears in
To fix, use the generic secondary_startup.
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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Not all architectures have io memory.
Fixes:
drivers/block/pmem.c: In function ‘pmem_alloc’:
drivers/block/pmem.c:146:2: error: implicit declaration of function ‘ioremap_nocache’ [-Werror=implicit-function-declaration]
pmem->virt_addr = ioremap_nocache(pmem->phys_addr, pmem->size);
^
drivers/block/pmem.c:146:18: warning: assignment makes pointer from integer without a cast [enabled by default]
pmem->virt_addr = ioremap_nocache(pmem->phys_addr, pmem->size);
^
drivers/block/pmem.c:182:2: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration]
iounmap(pmem->virt_addr);
^
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Extend the Exynos entry to ARM64 device tree sources.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Kevin Hilman <khilman@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Samsung updates for v4.2
- add failure(exception) handling
: of_iomap(), of_find_device_by_node() and kstrdup()
- add common poweroff to use PS_HOLD based for all of exynos SoCs
- add exnos_get/set_boot_addr() helper
- constify platform_device_id and irq_domain_ops
- get current parent clock for power domain on/off
- use core_initcall to register power domain driver
- make exynos_core_restart() less verbose
- add support coupled CPUidle for exynos3250
- fix exynos_boot_secondary() return value on timeout
- fix clk_enable() in s3c24xx adc
- fix missing of_node_put() for power domains
* tag 'samsung-mach-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (301 commits)
ARM: EXYNOS: register power domain driver from core_initcall
ARM: EXYNOS: use PS_HOLD based poweroff for all supported SoCs
ARM: SAMSUNG: Constify platform_device_id
ARM: EXYNOS: Constify irq_domain_ops
ARM: EXYNOS: add coupled cpuidle support for Exynos3250
ARM: EXYNOS: add exynos_get_boot_addr() helper
ARM: EXYNOS: add exynos_set_boot_addr() helper
ARM: EXYNOS: make exynos_core_restart() less verbose
ARM: EXYNOS: fix exynos_boot_secondary() return value on timeout
ARM: EXYNOS: Get current parent clock for power domain on/off
ARM: SAMSUNG: fix clk_enable() WARNing in S3C24XX ADC
ARM: EXYNOS: Add missing of_node_put() when parsing power domains
ARM: EXYNOS: Handle of_find_device_by_node() and kstrdup() failures
ARM: EXYNOS: Handle of of_iomap() failure
Linux 4.1-rc4
....
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
Samsung another DT udpates for v4.2
- use labels for overriding nodes for all of exynos stuff
(by Krzysztof Kozlowski)
- add sysmmu nodes for exynos SoCs (by Marek Szyprowski)
- for exynos5422-odroidxu3
: enalbe wake alarm of S2MPS11 RTC
: Hook up PWM and use it for LEDs
: add support for Odroid XU3 Lite
- remove duplicated i2c7 for exynos5250-snow
- add JPEG codec nodes for exynos5420
- add vendor prefix for Hardkernel
* tag 'samsung-dt-4' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (33 commits)
ARM: dts: add sysmmu nodes for exynos5420
ARM: dts: add sysmmu nodes for exynos5250
ARM: dts: add sysmmu nodes for exynos4415
ARM: dts: add sysmmu nodes for exynos3250
ARM: dts: add sysmmu nodes for exynos4
ARM: dts: Add Odroid XU3 Lite support
of: Add vendor prefix for Hardkernel
ARM: dts: odroidxu3: Enable wake alarm of S2MPS11 RTC
ARM: dts: exynos5420: add nodes for jpeg codec
ARM: dts: s3c2416: Use labels for overriding nodes in SMDK2416
ARM: dts: s3c2416: Add labels to S3C2416 nodes
ARM: dts: Use labels for overriding nodes in exynos5422-odroidxu3
ARM: dts: Use labels for overriding nodes in exynos5440 boards
ARM: dts: Use labels for overriding nodes in exynos5420-smdk5420
ARM: dts: Use labels for overriding nodes in exynos542x
ARM: dts: Use labels for overriding nodes in exynos5420-arndale-octa
ARM: dts: Remove duplicated I2C7 nodes in exynos5250-snow
ARM: dts: Use labels for overriding nodes in exynos5250
ARM: dts: Add labels to exynos5 nodes
ARM: dts: exynos5422-odroidxu3: Hook up PWM and use it for LEDs
...
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Linux 4.1-rc6
Conflicts:
arch/arm/boot/dts/zynq-7000.dtsi
Resolution summary:
Mainline had an earlier version of the commit, resolve in favor of the
newer patch in next/dt branch.
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
Samsung DT updates for v4.2
- for exyos3250
: use s3c6410-rtc instead of exynos3250-rtc
: add JPEG codec node and support it on exynos3250-rinato
: use s3c-rtc clock id for exynos3250-rinato and monk boards
- for exynos4
: add JPEG codec node and syscon property to MIPI DPHY
: remove obsolete MIPI DPHY reg property
: enable s3c-rtc on exynos4412-trats2
- for exynos5
: add syscon property to MIPI DPHY for exynos5420
: enable s3c-rtc on exynos5420-arndale-octa
: add missing irq pinctrl for max77686 on exynos5250-smdk5250
: clk: add bindings for 32kHz clocks from s2mps11
: fix pinctrl for s2mps11-irq on exynos5420-arndale-octa
- for exynos5422-odroidxu3
: add mmc detect gpio and LEDs
: add HS400 support, simple-audio-card and rtc_src clock
* tag 'samsung-dt-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: Add syscon property to the MIPI DPHY for exynos4415
ARM: dts: Remove obsolete MIPI DPHY 'reg' property for exynos4
ARM: dts: Use last parent for clocks during power domain on/off
ARM: dts: add support JPEG codec for exynos3250-rinato
ARM: dts: support simple-audio-card for exynos5420 and exynos5422-odroidxu3
ARM: dts: add jpeg-codec node for exynos4 and exynos4x12
ARM: dts: Enable S3C RTC on exynos4412-trats2 and exynos5420-arndale-octa
ARM: dts: Use define for s3c-rtc clock id for exynos3250-monk
ARM: dts: Use define for s3c-rtc clock id for exynos3250-rinato
ARM: dts: Use s3c6410-rtc instead of exynos3250-rtc for exynos3250/4415
ARM: dts: add 'rtc_src' clock to rtc node for exynos5422-odroidxu3
clk: samsung: Add bindings for 32kHz clocks from s2mps11
ARM: dts: fix pinctrl for s2mps11-irq on exynos5420-arndale-octa
ARM: dts: Add syscon property to the MIPI phy in exynos5420
ARM: dts: Add HS400 support for exynos5422-odroidxu3
ARM: dts: Add LEDs for exynos5422-odroidxu3
ARM: dts: add mmc detect gpio for exynos5422-odroidxu3
ARM: dts: add JPEG codec device node for exynos3250
ARM: dts: Add missing irq pinctrl for max77686 on smdk5250
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Enable the Exynos DSI and S6E8AA0 panel for full X11 display on Trats2.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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