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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull tile bugfix from Chris Metcalf:
"This avoids an issue with short userspace reads for regset via ptrace"
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile/ptrace: Preserve previous registers for short regset write
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Virtual display doesn't allocate amdgpu_encoder when initializing,
so will get invaild pointer if try to free amdgpu_encoder when
unloading driver.
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Return success when the ring is properly initialized, otherwise return
failure.
Tonga SRIOV VF doesn't have UVD and VCE engines, the initialization of
these IPs is bypassed. The system crashes if application submit IB to
their rings which are not ready to use. It could be a common issue if
IP having ring buffer is disabled for some reason on specific ASIC, so
it should check the ring being ready to use.
Bug: amdgpu_test crashes system on Tonga VF.
Signed-off-by: Ding Pixel <Pixel.Ding@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fix from Linus Walleij:
"A single lockdep fix, nothing else going on. This makes lockdep
noiseless and work properly with threaded GPIO IRQchips.
Summary:
Fix a lockdep issue: the threaded irqchips also need their unique key,
and take this opportunity to get rid of the horrible macro and replace
it with a static inline"
* tag 'gpio-v4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: provide lockdep keys for nested/unnested irqchips
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"drm fixes across the board.
Okay holidays and LCA kinda caught up with me, I thought I'd get some
of this dequeued last week, but Hobart was sunny and warm and not all
gloomy and rainy as usual.
This is a bit large, but not too much considering it's two weeks stuff
from AMD and Intel.
core:
- one locking fix that helps with dynamic suspend/resume races
i915:
- mostly GVT updates, GVT was a recent introduction so fixes for it
shouldn't cause any notable side effects.
amdgpu:
- a bunch of fixes for GPUs with a different memory controller design
that need different firmware.
exynos:
- decon regression fixes
msm:
- two regression fixes
etnaviv:
- a workaround for an mmu bug that needs a lot more work.
virtio:
- sparse fix, and a maintainers update"
* tag 'drm-fixes-for-v4.10-rc6' of git://people.freedesktop.org/~airlied/linux: (56 commits)
drm/exynos/decon5433: set STANDALONE_UPDATE_F on output enablement
drm/exynos/decon5433: fix CMU programming
drm/exynos/decon5433: do not disable video after reset
drm/i915: Ignore bogus plane coordinates on SKL when the plane is not visible
drm/i915: Remove WaDisableLSQCROPERFforOCL KBL workaround.
drm/amdgpu: add support for new hainan variants
drm/radeon: add support for new hainan variants
drm/amdgpu: change clock gating mode for uvd_v4.
drm/amdgpu: fix program vce instance logic error.
drm/amdgpu: fix bug set incorrect value to vce register
Revert "drm/amdgpu: Only update the CUR_SIZE register when necessary"
drm/msm: fix potential null ptr issue in non-iommu case
drm/msm/mdp5: rip out plane->pending tracking
drm/exynos/decon5433: set STANDALONE_UPDATE_F also if planes are disabled
drm/exynos/decon5433: update shadow registers iff there are active windows
drm/i915/gvt: rewrite gt reset handler using new function intel_gvt_reset_vgpu_locked
drm/i915/gvt: fix vGPU instance reuse issues by vGPU reset function
drm/i915/gvt: introduce intel_vgpu_reset_mmio() to reset mmio space
drm/i915/gvt: move mmio init/clean function to mmio.c
drm/i915/gvt: introduce intel_vgpu_reset_cfg_space to reset configuration space
...
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We need to check the return value of phy_connect_direct() in
dsa_slave_phy_connect() otherwise we may be continuing the
initialization of a slave network device with a PHY that already
attached somewhere else and which will soon be in error because the PHY
device is in error.
The conditions for such an error to occur are that we have a port of our
switch that is not disabled, and has the same port number as a PHY
address (say both 5) that can be probed using the DSA slave MII bus. We
end-up having this slave network device find a PHY at the same address
as our port number, and we try to attach to it.
A slave network (e.g: port 0) has already attached to our PHY device,
and we try to re-attach it with a different network device, but since we
ignore the error we would end-up initializating incorrect device
references by the time the slave network interface is opened.
The code has been (re)organized several times, making it hard to provide
an exact Fixes tag, this is a bugfix nonetheless.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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phy_error() is called in the PHY state machine workqueue context, and
calls phy_trigger_machine() which does a cancel_delayed_work_sync() of
the workqueue we execute from, causing a deadlock situation.
Augment phy_trigger_machine() machine with a sync boolean indicating
whether we should use cancel_*_sync() or just cancel_*_work().
Fixes: 3c293f4e08b5 ("net: phy: Trigger state machine on state change and not polling.")
Reported-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to the way how xfs_iomap_write_allocate tries to convert the whole
found extents from delalloc to real space we can run into a race
condition with multiple threads doing writes to this same extent.
For the non-COW case that is harmless as the only thing that can happen
is that we call xfs_bmapi_write on an extent that has already been
converted to a real allocation. For COW writes where we move the extent
from the COW to the data fork after I/O completion the race is, however,
not quite as harmless. In the worst case we are now calling
xfs_bmapi_write on a region that contains hole in the COW work, which
will trip up an assert in debug builds or lead to file system corruption
in non-debug builds. This seems to be reproducible with workloads of
small O_DSYNC write, although so far I've not managed to come up with
a with an isolated reproducer.
The fix for the issue is relatively simple: tell xfs_bmapi_write
that we are only asked to convert delayed allocations and skip holes
in that case.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Making use of "max_indirect_segments=" has issues:
- blkfront_setup_indirect() may end up with zero psegs when PAGE_SIZE
is sufficiently much larger than XEN_PAGE_SIZE
- the variable driven by the command line option
(xen_blkif_max_segments) has a somewhat different purpose, and hence
should namely never end up being zero
- as long as the specified value is lower than the legacy default,
we better don't use indirect segments at all (or we'd in fact lower
throughput)
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Don't truncate the "feature-persistent" value read from xenstore: Any
non-zero value is supposed to enable the feature, just like is already
being done for feature_secdiscard.
Just like the other feature_* fields, feature_flush and feature_fua are
boolean flags, and hence fit well into a single bit.
Keep all bit fields together to limit gaps.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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MPLS multipath for LSR is broken -- always selecting the first nexthop
in the one label case. For example:
$ ip -f mpls ro ls
100
nexthop as to 200 via inet 172.16.2.2 dev virt12
nexthop as to 300 via inet 172.16.3.2 dev virt13
101
nexthop as to 201 via inet6 2000:2::2 dev virt12
nexthop as to 301 via inet6 2000:3::2 dev virt13
In this example incoming packets have a single MPLS labels which means
BOS bit is set. The BOS bit is passed from mpls_forward down to
mpls_multipath_hash which never processes the hash loop because BOS is 1.
Update mpls_multipath_hash to process the entire label stack. mpls_hdr_len
tracks the total mpls header length on each pass (on pass N mpls_hdr_len
is N * sizeof(mpls_shim_hdr)). When the label is found with the BOS set
it verifies the skb has sufficient header for ipv4 or ipv6, and find the
IPv4 and IPv6 header by using the last mpls_hdr pointer and adding 1 to
advance past it.
With these changes I have verified the code correctly sees the label,
BOS, IPv4 and IPv6 addresses in the network header and icmp/tcp/udp
traffic for ipv4 and ipv6 are distributed across the nexthops.
Fixes: 1c78efa8319ca ("mpls: flow-based multipath selection")
Acked-by: Robert Shearman <rshearma@brocade.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ucounts_lock is being used to protect various ucounts lifecycle
management functionalities. However, those services can also be invoked
when a pidns is being freed in an RCU callback (e.g. softirq context).
This can lead to deadlocks. There were already efforts trying to
prevent similar deadlocks in add7c65ca426 ("pid: fix lockdep deadlock
warning due to ucount_lock"), however they just moved the context
from hardirq to softrq. Fix this issue once and for all by explictly
making the lock disable irqs altogether.
Dmitry Vyukov <dvyukov@google.com> reported:
> I've got the following deadlock report while running syzkaller fuzzer
> on eec0d3d065bfcdf9cd5f56dd2a36b94d12d32297 of linux-next (on odroid
> device if it matters):
>
> =================================
> [ INFO: inconsistent lock state ]
> 4.10.0-rc3-next-20170112-xc2-dirty #6 Not tainted
> ---------------------------------
> inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
> swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
> (ucounts_lock){+.?...}, at: [< inline >] spin_lock
> ./include/linux/spinlock.h:302
> (ucounts_lock){+.?...}, at: [<ffff2000081678c8>]
> put_ucounts+0x60/0x138 kernel/ucount.c:162
> {SOFTIRQ-ON-W} state was registered at:
> [<ffff2000081c82d8>] mark_lock+0x220/0xb60 kernel/locking/lockdep.c:3054
> [< inline >] mark_irqflags kernel/locking/lockdep.c:2941
> [<ffff2000081c97a8>] __lock_acquire+0x388/0x3260 kernel/locking/lockdep.c:3295
> [<ffff2000081cce24>] lock_acquire+0xa4/0x138 kernel/locking/lockdep.c:3753
> [< inline >] __raw_spin_lock ./include/linux/spinlock_api_smp.h:144
> [<ffff200009798128>] _raw_spin_lock+0x90/0xd0 kernel/locking/spinlock.c:151
> [< inline >] spin_lock ./include/linux/spinlock.h:302
> [< inline >] get_ucounts kernel/ucount.c:131
> [<ffff200008167c28>] inc_ucount+0x80/0x6c8 kernel/ucount.c:189
> [< inline >] inc_mnt_namespaces fs/namespace.c:2818
> [<ffff200008481850>] alloc_mnt_ns+0x78/0x3a8 fs/namespace.c:2849
> [<ffff200008487298>] create_mnt_ns+0x28/0x200 fs/namespace.c:2959
> [< inline >] init_mount_tree fs/namespace.c:3199
> [<ffff200009bd6674>] mnt_init+0x258/0x384 fs/namespace.c:3251
> [<ffff200009bd60bc>] vfs_caches_init+0x6c/0x80 fs/dcache.c:3626
> [<ffff200009bb1114>] start_kernel+0x414/0x460 init/main.c:648
> [<ffff200009bb01e8>] __primary_switched+0x6c/0x70 arch/arm64/kernel/head.S:456
> irq event stamp: 2316924
> hardirqs last enabled at (2316924): [< inline >] rcu_do_batch
> kernel/rcu/tree.c:2911
> hardirqs last enabled at (2316924): [< inline >]
> invoke_rcu_callbacks kernel/rcu/tree.c:3182
> hardirqs last enabled at (2316924): [< inline >]
> __rcu_process_callbacks kernel/rcu/tree.c:3149
> hardirqs last enabled at (2316924): [<ffff200008210414>]
> rcu_process_callbacks+0x7a4/0xc28 kernel/rcu/tree.c:3166
> hardirqs last disabled at (2316923): [< inline >] rcu_do_batch
> kernel/rcu/tree.c:2900
> hardirqs last disabled at (2316923): [< inline >]
> invoke_rcu_callbacks kernel/rcu/tree.c:3182
> hardirqs last disabled at (2316923): [< inline >]
> __rcu_process_callbacks kernel/rcu/tree.c:3149
> hardirqs last disabled at (2316923): [<ffff20000820fe80>]
> rcu_process_callbacks+0x210/0xc28 kernel/rcu/tree.c:3166
> softirqs last enabled at (2316912): [<ffff20000811b4c4>]
> _local_bh_enable+0x4c/0x80 kernel/softirq.c:155
> softirqs last disabled at (2316913): [< inline >]
> do_softirq_own_stack ./include/linux/interrupt.h:488
> softirqs last disabled at (2316913): [< inline >]
> invoke_softirq kernel/softirq.c:371
> softirqs last disabled at (2316913): [<ffff20000811c994>]
> irq_exit+0x264/0x308 kernel/softirq.c:405
>
> other info that might help us debug this:
> Possible unsafe locking scenario:
>
> CPU0
> ----
> lock(ucounts_lock);
> <Interrupt>
> lock(ucounts_lock);
>
> *** DEADLOCK ***
>
> 1 lock held by swapper/2/0:
> #0: (rcu_callback){......}, at: [< inline >] __rcu_reclaim
> kernel/rcu/rcu.h:108
> #0: (rcu_callback){......}, at: [< inline >] rcu_do_batch
> kernel/rcu/tree.c:2919
> #0: (rcu_callback){......}, at: [< inline >]
> invoke_rcu_callbacks kernel/rcu/tree.c:3182
> #0: (rcu_callback){......}, at: [< inline >]
> __rcu_process_callbacks kernel/rcu/tree.c:3149
> #0: (rcu_callback){......}, at: [<ffff200008210390>]
> rcu_process_callbacks+0x720/0xc28 kernel/rcu/tree.c:3166
>
> stack backtrace:
> CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.10.0-rc3-next-20170112-xc2-dirty #6
> Hardware name: Hardkernel ODROID-C2 (DT)
> Call trace:
> [<ffff20000808fa60>] dump_backtrace+0x0/0x440 arch/arm64/kernel/traps.c:500
> [<ffff20000808fec0>] show_stack+0x20/0x30 arch/arm64/kernel/traps.c:225
> [<ffff2000088a99e0>] dump_stack+0x110/0x168
> [<ffff2000082fa2b4>] print_usage_bug.part.27+0x49c/0x4bc
> kernel/locking/lockdep.c:2387
> [< inline >] print_usage_bug kernel/locking/lockdep.c:2357
> [< inline >] valid_state kernel/locking/lockdep.c:2400
> [< inline >] mark_lock_irq kernel/locking/lockdep.c:2617
> [<ffff2000081c89ec>] mark_lock+0x934/0xb60 kernel/locking/lockdep.c:3065
> [< inline >] mark_irqflags kernel/locking/lockdep.c:2923
> [<ffff2000081c9a60>] __lock_acquire+0x640/0x3260 kernel/locking/lockdep.c:3295
> [<ffff2000081cce24>] lock_acquire+0xa4/0x138 kernel/locking/lockdep.c:3753
> [< inline >] __raw_spin_lock ./include/linux/spinlock_api_smp.h:144
> [<ffff200009798128>] _raw_spin_lock+0x90/0xd0 kernel/locking/spinlock.c:151
> [< inline >] spin_lock ./include/linux/spinlock.h:302
> [<ffff2000081678c8>] put_ucounts+0x60/0x138 kernel/ucount.c:162
> [<ffff200008168364>] dec_ucount+0xf4/0x158 kernel/ucount.c:214
> [< inline >] dec_pid_namespaces kernel/pid_namespace.c:89
> [<ffff200008293dc8>] delayed_free_pidns+0x40/0xe0 kernel/pid_namespace.c:156
> [< inline >] __rcu_reclaim kernel/rcu/rcu.h:118
> [< inline >] rcu_do_batch kernel/rcu/tree.c:2919
> [< inline >] invoke_rcu_callbacks kernel/rcu/tree.c:3182
> [< inline >] __rcu_process_callbacks kernel/rcu/tree.c:3149
> [<ffff2000082103d8>] rcu_process_callbacks+0x768/0xc28 kernel/rcu/tree.c:3166
> [<ffff2000080821dc>] __do_softirq+0x324/0x6e0 kernel/softirq.c:284
> [< inline >] do_softirq_own_stack ./include/linux/interrupt.h:488
> [< inline >] invoke_softirq kernel/softirq.c:371
> [<ffff20000811c994>] irq_exit+0x264/0x308 kernel/softirq.c:405
> [<ffff2000081ecc28>] __handle_domain_irq+0xc0/0x150 kernel/irq/irqdesc.c:636
> [<ffff200008081c80>] gic_handle_irq+0x68/0xd8
> Exception stack(0xffff8000648e7dd0 to 0xffff8000648e7f00)
> 7dc0: ffff8000648d4b3c 0000000000000007
> 7de0: 0000000000000000 1ffff0000c91a967 1ffff0000c91a967 1ffff0000c91a967
> 7e00: ffff20000a4b6b68 0000000000000001 0000000000000007 0000000000000001
> 7e20: 1fffe4000149ae90 ffff200009d35000 0000000000000000 0000000000000002
> 7e40: 0000000000000000 0000000000000000 0000000002624a1a 0000000000000000
> 7e60: 0000000000000000 ffff200009cbcd88 000060006d2ed000 0000000000000140
> 7e80: ffff200009cff000 ffff200009cb6000 ffff200009cc2020 ffff200009d2159d
> 7ea0: 0000000000000000 ffff8000648d4380 0000000000000000 ffff8000648e7f00
> 7ec0: ffff20000820a478 ffff8000648e7f00 ffff20000820a47c 0000000010000145
> 7ee0: 0000000000000140 dfff200000000000 ffffffffffffffff ffff20000820a478
> [<ffff2000080837f8>] el1_irq+0xb8/0x130 arch/arm64/kernel/entry.S:486
> [< inline >] arch_local_irq_restore
> ./arch/arm64/include/asm/irqflags.h:81
> [<ffff20000820a47c>] rcu_idle_exit+0x64/0xa8 kernel/rcu/tree.c:1030
> [< inline >] cpuidle_idle_call kernel/sched/idle.c:200
> [<ffff2000081bcbfc>] do_idle+0x1dc/0x2d0 kernel/sched/idle.c:243
> [<ffff2000081bd1cc>] cpu_startup_entry+0x24/0x28 kernel/sched/idle.c:345
> [<ffff200008099f8c>] secondary_start_kernel+0x2cc/0x358
> arch/arm64/kernel/smp.c:276
> [<000000000279f1a4>] 0x279f1a4
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Fixes: add7c65ca426 ("pid: fix lockdep deadlock warning due to ucount_lock")
Fixes: f333c700c610 ("pidns: Add a limit on the number of pid namespaces")
Cc: stable@vger.kernel.org
Link: https://www.spinics.net/lists/kernel/msg2426637.html
Signed-off-by: Nikolay Borisov <n.borisov.lkml@gmail.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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It's necessary to setup bus if any slots are present.
- update clock after ctrl reset
- if the host has genpd node, we can guarantee the clock is
available before starting request. Otherwies, the clock register
is reset once power off the pd, and host can't output the active
clock during communication.
Fixes: e9ed8835e990 ("mmc: dw_mmc: add runtime PM callback")
Fixes: df9bcc2bc0a1 ("mmc: dw_mmc: add missing codes for runtime resume")
cc: <stable@vger.kernel.org>
Reported-by: Randy Li <randy.li@rock-chips.com>
Reported-by: S. Gilles <sgilles@math.umd.edu>
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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drm-qemu: virtio sparse fix, MAINTAINERS updates.
* tag 'drm-qemu-20170110' of git://git.kraxel.org/linux:
drm: flip cirrus driver status to "obsolete".
drm: update MAINTAINERS for qemu drivers (bochs, cirrus, qxl, virtio-gpu)
drm/virtio: fix framebuffer sparse warning
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into drm-fixes
a single fix for a FE hang after IOVA rollover on GC3000. This isn't
pretty, but is the minimal fix for the issue. A larger rework of the
code, that will also fix this issue properly, is currently in the works,
but that needs to wait for at least the next feature pull.
* 'drm-etnaviv-fixes' of https://git.pengutronix.de/git/lst/linux:
drm/etnaviv: trick drm_mm into giving out a low IOVA
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Just regression fixups to resolve page fault issue of DECON device.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos/decon5433: set STANDALONE_UPDATE_F on output enablement
drm/exynos/decon5433: fix CMU programming
drm/exynos/decon5433: do not disable video after reset
drm/exynos/decon5433: set STANDALONE_UPDATE_F also if planes are disabled
drm/exynos/decon5433: update shadow registers iff there are active windows
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into drm-fixes
A little bigger than usual since it's two weeks worth. Highlights:
- Add support for new smc firmware on some new hainan variants
- add support for SI chips that require special mc firmware
- remove workarounds for issues fixed by new mc firmware
- fix a regression in cursor handling
- various VCE fixes
- fix for UVD clockgating
* 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: add support for new hainan variants
drm/radeon: add support for new hainan variants
drm/amdgpu: change clock gating mode for uvd_v4.
drm/amdgpu: fix program vce instance logic error.
drm/amdgpu: fix bug set incorrect value to vce register
Revert "drm/amdgpu: Only update the CUR_SIZE register when necessary"
drm/amd/powerplay: refine vce dpm update code on Cz.
drm/amdgpu: fix vm_fault_stop on gfx6
drm/amd/powerplay: fix vce cg logic error on CZ/St.
drm/radeon: drop the mclk quirk for hainan
drm/radeon: drop oland quirks
drm/amdgpu: drop the mclk quirk for hainan
drm/amdgpu: drop oland quirks
drm/amdgpu/si: load special ucode for certain MC configs
drm/radeon/si: load special ucode for certain MC configs
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git://people.freedesktop.org/~robclark/linux into drm-fixes
* 'msm-fixes-4.10-rc4' of git://people.freedesktop.org/~robclark/linux:
drm/msm: fix potential null ptr issue in non-iommu case
drm/msm/mdp5: rip out plane->pending tracking
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git://anongit.freedesktop.org/git/drm-misc into drm-fixes
A few more core fixes.
* tag 'drm-misc-fixes-2017-01-13' of git://anongit.freedesktop.org/git/drm-misc:
drm/probe-helpers: Drop locking from poll_enable
drm: Fix broken VT switch with video=1366x768 option
drm: Schedule the output_poll_work with 1s delay if we have delayed event
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git://anongit.freedesktop.org/git/drm-intel into drm-fixes
More GVT-g stuff than I'd like at this stage, but then again that's
pretty new and isolated so I'm not too worried.
* tag 'drm-intel-fixes-2017-01-19' of git://anongit.freedesktop.org/git/drm-intel: (26 commits)
drm/i915: Ignore bogus plane coordinates on SKL when the plane is not visible
drm/i915: Remove WaDisableLSQCROPERFforOCL KBL workaround.
drm/i915/gvt: rewrite gt reset handler using new function intel_gvt_reset_vgpu_locked
drm/i915/gvt: fix vGPU instance reuse issues by vGPU reset function
drm/i915/gvt: introduce intel_vgpu_reset_mmio() to reset mmio space
drm/i915/gvt: move mmio init/clean function to mmio.c
drm/i915/gvt: introduce intel_vgpu_reset_cfg_space to reset configuration space
drm/i915/gvt: move cfg space inititation function to cfg_space.c
drm/i915/gvt: introuduce intel_vgpu_reset_gtt() to reset gtt
drm/i915/gvt: introudce intel_vgpu_reset_resource() to reset vgpu resource state
drm/i915: Fix phys pwrite for struct_mutex-less operation
drm/i915: Clear ret before unbinding in i915_gem_evict_something()
drm/i915/gvt: cleanup GFP flags
drm/i915/gvt/kvmgt: return meaningful error for vgpu creating failure
drm/i915/gvt: cleanup opregion memory allocation code
drm/i915/gvt: destroy the allocated idr on vgpu creating failures
drm/i915/gvt: init/destroy vgpu_idr properly
drm/i915/gvt: dec vgpu->running_workload_num after the workload is really done
drm/i915/gvt: fix use after free for workload
drm/i915/gvt: remove duplicated definition
...
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Tom Lendacky says:
====================
amd-xgbe: AMD XGBE driver fixes 2017-01-20
This patch series addresses some issues in the AMD XGBE driver.
The following fixes are included in this driver update series:
- Add a fix for a version of the hardware that uses different register
offset values for a device with the same PCI device ID
- Add support to check the return code from the xgbe_init() function
This patch series is based on net.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The xgbe_init() routine returns a return code indicating success or
failure, but the return code is not checked. Add code to xgbe_init()
to issue a message when failures are seen and add code to check the
xgbe_init() return code.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A newer version of the hardware is using the same PCI ids for the network
device but has altered register definitions for determining the window
settings for the indirect PCS access. Add support to check for this
hardware and if found use the new register values.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"Restore the retrigger callbacks in the IO APIC irq chips. That
addresses a long standing regression which got introduced with the
rewrite of the x86 irq subsystem two years ago and went unnoticed so
far"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioapic: Restore IO-APIC irq_chip retrigger callback
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp/hotplug fix from Thomas Gleixner:
"Remove an unused variable which is a leftover from the notifier
removal"
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Remove unused but set variable in _cpu_down()
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Pull virtio/vhost fixes from Michael Tsirkin:
"Random fixes and cleanups that accumulated over the time"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio/s390: virtio: constify virtio_config_ops structures
virtio/s390: add missing \n to end of dev_err message
virtio/s390: support READ_STATUS command for virtio-ccw
tools/virtio/ringtest: tweaks for s390
tools/virtio/ringtest: fix run-on-all.sh for offline cpus
virtio_console: fix a crash in config_work_handler
vhost/scsi: silence uninitialized variable warning
vhost: scsi: constify target_core_fabric_ops structures
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management fixes from Zhang Rui:
- fix a regression that thermal zone dynamically allocated sysfs
attributes are freed before they're removed, which is introduced in
4.10-rc1 (Jacob von Chorus)
- fix a boot warning because deprecated hwmon API is used (Fabio
Estevam)
- a couple of fixes for rockchip thermal driver (Brian Norris, Caesar
Wang)
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: rockchip: fixes the conversion table
thermal: core: move tz->device.groups cleanup to thermal_release
thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()
thermal: rockchip: handle set_trips without the trip points
thermal: rockchip: optimize the conversion table
thermal: rockchip: fixes invalid temperature case
thermal: rockchip: don't pass table structs by value
thermal: rockchip: improve conversion error messages
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On Ideapad laptops, ACPI event 1 is currently not handled. Many models
log "ideapad_laptop: Unknown event: 1" every 20 seconds or so while
running on battery power. Some convertible laptops receive this event
when switching in and out of tablet mode.
This adds and additional case for event 1 in ideapad_acpi_notify to call
ideapad_input_report(priv, vpc_bit), so that the event is reported to
userspace and we avoid unnecessary logging.
Fixes bug #107481 (https://bugzilla.kernel.org/show_bug.cgi?id=107481)
Fixes bug #65751 (https://bugzilla.kernel.org/show_bug.cgi?id=65751)
Signed-off-by: Zach Ploskey <zach@ploskey.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a few small USB fixes for 4.10-rc5.
Most of these are gadget/dwc2 fixes for reported issues, all of these
have been in linux-next for a while. The last one is a single xhci
WARN_ON removal to handle an issue that the dwc3 driver is hitting in
the 4.10-rc tree. The warning is harmless and needs to be removed, and
a "real" fix that is more complex will show up in 4.11-rc1 for this
device.
That last patch hasn't been in linux-next yet due to the weekend
timing, but it's a "simple" WARN_ON() removal so what could go wrong?
:)"
Famous last words.
* tag 'usb-4.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: remove WARN_ON if dma mask is not set for platform devices
usb: dwc2: host: fix Wmaybe-uninitialized warning
usb: dwc2: gadget: Fix GUSBCFG.USBTRDTIM value
usb: gadget: udc: atmel: remove memory leak
usb: dwc3: exynos fix axius clock error path to do cleanup
usb: dwc2: Avoid suspending if we're in gadget mode
usb: dwc2: use u32 for DT binding parameters
usb: gadget: f_fs: Fix iterations on endpoints.
usb: dwc2: gadget: Fix DMA memory freeing
usb: gadget: composite: Fix function used to free memory
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"Two fixes:
- a regression fix for the multiple-pmem-namespace-per-region support
added in 4.9. Even if an existing environment is not using that
feature the act of creating and a destroying a single namespace
with the ndctl utility will lead to the proliferation of extra
unwanted namespace devices.
- a fix for the error code returned from the pmem driver when the
memcpy_mcsafe() routine returns -EFAULT. Btrfs seems to be the only
block I/O consumer that tries to parse the meaning of the error
code when it is non-zero.
Neither of these fixes are critical, the namespace leak is awkward in
that it can cause device naming to change and complicates debugging
namespace initialization issues. The error code fix is included out of
caution for what other consumers might be expecting -EIO for block I/O
errors"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm, namespace: fix pmem namespace leak, delete when size set to zero
pmem: return EIO on read_pmem() failure
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One fix for Samsung Exynos524x SoCs where recent IOMMU patches have
caused some of these clocks to turn off when they were always left on
before"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk/samsung: exynos542x: mark some clocks as critical
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
- more intc updates [Yuriv]
- fix module build when unwinder is turned off
- IO Coherency Programming model updates
- other miscellaneous
* tag 'arc-4.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: Revert "ARC: mm: IOC: Don't enable IOC by default"
ARC: mm: split arc_cache_init to allow __init reaping of bulk
ARCv2: IOC: Use actual memory size to setup aperture size
ARCv2: IOC: Adhere to progamming model guidelines to avoid DMA corruption
ARCv2: IOC: refactor the IOC and SLC operations into own functions
ARC: module: Fix !CONFIG_ARC_DW2_UNWIND builds
ARCv2: save r30 on kernel entry as gcc uses it for code-gen
ARCv2: IRQ: Call entry/exit functions for chained handlers in MCIP
ARC: IRQ: Use hwirq instead of virq in mask/unmask
ARC: mmu: clarify the MMUv3 programming model
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Two fixes for fallout from the hugetlb changes we merged this cycle.
Ten other fixes, four only affect Power9, and the rest are a bit of a
mixture though nothing terrible.
Thanks to: Aneesh Kumar K.V, Anton Blanchard, Benjamin Herrenschmidt,
Dave Martin, Gavin Shan, Madhavan Srinivasan, Nicholas Piggin, Reza
Arbab"
* tag 'powerpc-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc: Ignore reserved field in DCSR and PVR reads and writes
powerpc/ptrace: Preserve previous TM fprs/vsrs on short regset write
powerpc/ptrace: Preserve previous fprs/vsrs on short regset write
powerpc/perf: Use MSR to report privilege level on P9 DD1
selftest/powerpc: Wrong PMC initialized in pmc56_overflow test
powerpc/eeh: Enable IO path on permanent error
powerpc/perf: Fix PM_BRU_CMPL event code for power9
powerpc/mm: Fix little-endian 4K hugetlb
powerpc/mm/hugetlb: Don't panic when we don't find the default huge page size
powerpc: Fix pgtable pmd cache init
powerpc/icp-opal: Fix missing KVM case and harden replay
powerpc/mm: Fix memory hotplug BUG() on radix
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The commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
starts refusing misconfigured interrupt handlers. This makes
intel_mid_powerbtn not working anymore.
Add a mandatory flag to a threaded IRQ request in the driver.
Fixes: 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The patch 3dda3b3798f9: "platform/x86: Add custom surface3 platform
device for controlling LID" from Nov 25, 2016, leads to the following
static checker warning:
drivers/platform/x86/surface3-wmi.c:168 s3_wmi_check_platform_device()
error: uninitialized symbol 'ts_adev'.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The newly added driver guards its "resume" callback with an
warning in some configurations:
drivers/platform/x86/surface3-wmi.c:248:12: error: 's3_wmi_resume' defined but not used [-Werror=unused-function]
Using a __maybe_unused annotation without an #ifdef avoids the mistake more
reliably.
Fixes: 3dda3b3798f9 ("platform/x86: Add custom surface3 platform device for controlling LID")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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There is an off-by-one error so we don't unregister priv->pdev_mux[0].
Also it's slightly simpler as a while loop instead of a for loop.
Fixes: 58cbbee2391c ("x86/platform/mellanox: Introduce support for Mellanox systems platform")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Pull KVM fixes from Radim Krčmář:
"ARM:
- Fix for timer setup on VHE machines
- Drop spurious warning when the timer races against the vcpu running
again
- Prevent a vgic deadlock when the initialization fails (for stable)
s390:
- Fix a kernel memory exposure (for stable)
x86:
- Fix exception injection when hypercall instruction cannot be
patched"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: s390: do not expose random data via facility bitmap
KVM: x86: fix fixing of hypercalls
KVM: arm/arm64: vgic: Fix deadlock on error handling
KVM: arm64: Access CNTHCTL_EL2 bit fields correctly on VHE systems
KVM: arm/arm64: Fix occasional warning from the timer work function
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git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux
Pull SCSI target fixes from Bart Van Assche:
- two small fixes for the ibmvscsis driver
- ten patches with bug fixes for the target mode of the qla2xxx driver
- four patches that avoid that the "sparse" and "smatch" static
analyzer tools report false positives for the qla2xxx code base
* 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux:
qla2xxx: Disable out-of-order processing by default in firmware
qla2xxx: Fix erroneous invalid handle message
qla2xxx: Reduce exess wait during chip reset
qla2xxx: Terminate exchange if corrupted
qla2xxx: Fix crash due to null pointer access
qla2xxx: Collect additional information to debug fw dump
qla2xxx: Reset reserved field in firmware options to 0
qla2xxx: Set tcm_qla2xxx version to automatically track qla2xxx version
qla2xxx: Include ATIO queue in firmware dump when in target mode
qla2xxx: Fix wrong IOCB type assumption
qla2xxx: Avoid that building with W=1 triggers complaints about set-but-not-used variables
qla2xxx: Move two arrays from header files to .c files
qla2xxx: Declare an array with file scope static
qla2xxx: Fix indentation
ibmvscsis: Fix sleeping in interrupt context
ibmvscsis: Fix max transfer length
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Pull block fixes from Jens Axboe:
"Just two small fixes for this -rc.
One is just killing an unused variable from Keith, but the other
fixes a performance regression for nbd in this series, where we
inadvertently flipped when we set MSG_MORE when outputting data"
* 'for-linus' of git://git.kernel.dk/linux-block:
nbd: only set MSG_MORE when we have more to send
blk-mq: Remove unused variable
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"The usual small smattering of driver specific fixes. A few bits that
stand out here:
- the R-Car patches adding fallbacks are just adding new compatible
strings to the driver so that device trees are written in a more
robustly future proof fashion, this isn't strictly a fix but it's
just new IDs and it's better to get it into mainline sooner to
improve the ABI
- the DesignWare "switch to new API part 2" patch is actually a
misleadingly titled fix for a bit that got missed in the original
conversion"
* tag 'spi-fix-v4.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: davinci: use dma_mapping_error()
spi: spi-axi: Free resources on error path
spi: pxa2xx: add missed break
spi: dw-mid: switch to new dmaengine_terminate_* API (part 2)
spi: dw: Make debugfs name unique between instances
spi: sh-msiof: Do not use C++ style comment
spi: armada-3700: Set mode bits correctly
spi: armada-3700: fix unsigned compare than zero on irq
spi: sh-msiof: Add R-Car Gen 2 and 3 fallback bindings
spi: SPI_FSL_DSPI should depend on HAS_DMA
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Pull ceph fixes from Ilya Dryomov:
"Three filesystem endianness fixes (one goes back to the 2.6 era, all
marked for stable) and two fixups for this merge window's patches"
* tag 'ceph-for-4.10-rc5' of git://github.com/ceph/ceph-client:
ceph: fix bad endianness handling in parse_reply_info_extra
ceph: fix endianness bug in frag_tree_split_cmp
ceph: fix endianness of getattr mask in ceph_d_revalidate
libceph: make sure ceph_aes_crypt() IV is aligned
ceph: fix ceph_get_caps() interruption
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Any bridge options specified during link creation (e.g. ip link add)
are ignored as br_dev_newlink() does not process them.
Use br_changelink() to do it.
Fixes: 133235161721 ("bridge: implement rtnl_link_ops->changelink")
Signed-off-by: Ivan Vecera <cera@cera.cz>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fix from Miklos Szeredi:
"This fixes a regression introduced in this cycle"
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fix possible use after free on redirect dir lookup
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
"Fix two regressions, one introduced in 4.9 and a less recent one in
4.2"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: fix time_to_jiffies nsec sanity check
fuse: clear FR_PENDING flag when moving requests out of pending queue
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of 12 fixes including the mpt3sas one that was causing
hangs on ATA passthrough.
The others are a couple of zoned block device fixes, a SAS device
detection bug which lead to SATA drives not being matched to bays, two
qla2xxx MSI fixes, a qla2xxx req for rsp confusion caused by cut and
paste, and a few other minor fixes"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: mpt3sas: fix hang on ata passthrough commands
scsi: lpfc: Set elsiocb contexts to NULL after freeing it
scsi: sd: Ignore zoned field for host-managed devices
scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type
scsi: bfa: fix wrongly initialized variable in bfad_im_bsg_els_ct_request()
scsi: ses: Fix SAS device detection in enclosure
scsi: libfc: Fix variable name in fc_set_wwpn
scsi: lpfc: avoid double free of resource identifiers
scsi: qla2xxx: remove irq_affinity_notifier
scsi: qla2xxx: fix MSI-X vector affinity
scsi: qla2xxx: Fix apparent cut-n-paste error.
scsi: qla2xxx: Get mutex lock before checking optrom_state
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- avoid potential stack information leak via the ptrace ABI caused by
uninitialised variables
- SWIOTLB DMA API fall-back allocation fix when the SWIOTLB buffer is
not initialised (all RAM is suitable for 32-bit DMA masks)
- fix the bad_mode function returning for unhandled exceptions coming
from user space
- fix name clash in __page_to_voff()
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: avoid returning from bad_mode
arm64/ptrace: Reject attempts to set incomplete hardware breakpoint fields
arm64/ptrace: Avoid uninitialised struct padding in fpr_set()
arm64/ptrace: Preserve previous registers for short regset write
arm64/ptrace: Preserve previous registers for short regset write
arm64/ptrace: Preserve previous registers for short regset write
arm64: mm: avoid name clash in __page_to_voff()
arm64: Fix swiotlb fallback allocation
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During an OOM scenario, request slots could not be created as skb
allocation fails. So the netback cannot pass in packets and netfront
wrongly assumes that there is no more work to be done and it disables
polling. This causes Rx to stall.
The issue is with the retry logic which schedules the timer if the
created slots are less than NET_RX_SLOTS_MIN. The count of new request
slots to be pushed are calculated as a difference between new req_prod
and rsp_cons which could be more than the actual slots, if there are
unconsumed responses.
The fix is to calculate the count of newly created slots as the
difference between new req_prod and old req_prod.
Signed-off-by: Vineeth Remanan Pillai <vineethp@amazon.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A driver using dev_alloc_page() must not reuse a page allocated from
emergency memory reserve.
Otherwise all packets using this page will be immediately dropped,
unless for very specific sockets having SOCK_MEMALLOC bit set.
This issue might be hard to debug, because only a fraction of received
packets would be dropped.
Fixes: 4415a0319f92 ("net/mlx5e: Implement RX mapped page cache for page recycle")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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