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The adapter uses the cache_line_128byte setting to set the bounds for
end padding. On systems where the cacheline size is greater than 128B
use 128B instead of the default of 64B. This results in fewer partial
cacheline writes. There's a 50% chance it will pad to the end of a 256B
cache line vs only 25% when using 64B.
Fixes: f32f5bd2eb7e ("net/mlx5: Configure cache line size for start and end padding")
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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When allocating a drop rq, no numa node is explicitly set which means
allocations are done on node zero. This is not necessarily the nearest
numa node to the HCA, and even worse, might even be a memoryless numa
node.
Choose the numa_node given to us by the pci device in order to properly
allocate the coherent dma memory instead of assuming zero is valid.
Fixes: 556dd1b9c313 ("net/mlx5e: Set drop RQ's necessary parameters only")
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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This isn't supported when we emulate eswitch vlan push action which
is the current state of things.
Fixes: 8b32580df1cb ('net/mlx5e: Add TC vlan action for SRIOV offloads')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Address these sparse warnings on drivers/net/ethernet/mellanox/mlx5
[..]/core/diag/fs_tracepoint.c:99:53: warning: non-constant initializer for static object
[..]/core/diag/fs_tracepoint.c:102:53: warning: non-constant initializer for static object
etc
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Fix these gcc warnings on drivers/net/ethernet/mellanox/mlx5:
[..]/core/lib/clock.c:454:6: warning: no previous prototype for 'mlx5_init_clock' [-Wmissing-prototypes]
[..]/core/lib/clock.c:510:6: warning: no previous prototype for 'mlx5_cleanup_clock' [-Wmissing-prototypes]
[..]/core/en_main.c:3141:5: warning: no previous prototype for 'mlx5e_setup_tc' [-Wmissing-prototypes]
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Driver tries to copy at least MLX5E_MIN_INLINE bytes into the control
segment of the WQE. It assumes that the linear part contains at least
MLX5E_MIN_INLINE bytes, which can be wrong.
Cited commit verified that driver will not copy more bytes into the
inline header part that the actual size of the packet. Re-factor this
check to make sure we do not exceed the linear part as well.
This fix is aligned with the current driver's assumption that the entire
L2 will be present in the linear part of the SKB.
Fixes: 6aace17e64f4 ("net/mlx5e: Fix inline header size for small packets")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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When GRO is off, the transport header pointer in sk_buff is
initialized to network's header.
To find the udp header, instead of using udp_hdr() which assumes
skb_network_header was set, manually calculate the udp header offset.
Fixes: 0952da791c97 ("net/mlx5e: Add support for loopback selftest")
Signed-off-by: Inbar Karmy <inbark@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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When receiving an LRO packet, the checksum field is set by the hardware
to the checksum of the first coalesced packet. Obviously, this checksum
is not valid for the merged LRO packet and should be fixed. We can use
the CQE checksum which covers the checksum of the entire merged packet
TCP payload to help us calculate the checksum incrementally.
Tested by sending IPv4/6 traffic with LRO enabled, RX checksum disabled
and watching nstat checksum error counters (in addition to the obvious
bandwidth drop caused by checksum errors).
This bug is usually "hidden" since LRO packets would go through the
CHECKSUM_UNNECESSARY flow which does not validate the packet checksum.
It's important to note that previous to this patch, LRO packets provided
with CHECKSUM_UNNECESSARY are indeed packets with a correct validated
checksum (even though the checksum inside the TCP header is incorrect),
since the hardware LRO aggregation is terminated upon receiving a packet
with bad checksum.
Fixes: e586b3b0baee ("net/mlx5: Ethernet Datapath files")
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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[Description] For MST, DC already notify MST sink for MST mode, DC stll
check DP SINK DPCD register to see if MST enabled. DP RX firmware may
not handle this properly.
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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amdgpu_dm_display_resume is now called from dm_resume to
unify DAL resume call into a single function call
There is no more need to separately call 2 resume functions
for DM.
Initially they were separated to resume display state after
cursor is pinned. But because there is no longer any corruption
with the cursor - the calls can be merged into one function hook.
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Inside amdgpu_gtt_mgr_fini add a missing lock to maintain
locking balance
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 1c331f75aa6ccbf64ebcc5a019183e617c9d818a.
Breaks resume on some systems.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=100759
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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If there are no displays attached, there is no reason to disable
mclk switching.
Fixes mclks getting set to high when there are no displays attached.
Reviewed-by: Eric Huang <JinhuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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If there are no displays attached, there is no reason to disable
mclk switching.
Fixes mclks getting set to high when there are no displays attached.
Reviewed-by: Eric Huang <JinhuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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After introduction of commit d0869c0071e4, there were some instances of
RX queue entries from a previous session (before the device was closed
and reopened) returned to the NAPI polling routine. Since the corresponding
socket buffers were freed, this resulted in a panic on reopen. Include
a check for a NULL skb here to avoid this.
Fixes: d0869c0071e4 ("ibmvnic: Clean RX pool buffers during device close")
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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BNXT_RE_FLAG_TASK_IN_PROG doesn't handle multiple work
requests posted together. Track schedule of multiple
workqueue items by maintaining a per device counter
and proceed with IB dereg only if this counter is zero.
flush_workqueue is no longer required from
NETDEV_UNREGISTER path.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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During driver unload, the driver proceeds with cleanup
without waiting for the scheduled events. So the device
pointers get freed up and driver crashes when the events
are scheduled later.
Flush the bnxt_re_task work queue before starting
device removal.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Avoid system crash when destroy_qp is invoked while
the driver is processing the poll_cq. Synchronize these
functions using the cq_lock.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Driver leaves the QP memory pinned if QP create command
fails from the FW. Avoids this scenario by adding a proper
exit path if the FW command fails.
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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More testing needs to be done before enabling this feature.
Disabling the feature temporarily
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This reverts commit dbac5d07d13e330e6706813c9fde477140fb5d80.
commit dbac5d07d13e ("usb: musb: host: don't start next rx urb if current one failed")
along with commit b5801212229f ("usb: musb: host: clear rxcsr error bit if set")
try to solve the issue described in [1], but the latter alone is
sufficient, and the former causes the issue as in [2], so now revert it.
[1] https://marc.info/?l=linux-usb&m=146173995117456&w=2
[2] https://marc.info/?l=linux-usb&m=151689238420622&w=2
Cc: stable@vger.kernel.org # v4.7+
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On dm3730 there are enumeration problems after resume.
Investigation led to the cause that the MUSB_POWER_SOFTCONN
bit is not set. If it was set before suspend (because it
was enabled via musb_pullup()), it is set in
musb_restore_context() so the pullup is enabled. But then
musb_start() is called which overwrites MUSB_POWER and
therefore disables MUSB_POWER_SOFTCONN, so no pullup is
enabled and the device is not enumerated.
So let's do a subset of what musb_start() does
in the same way as musb_suspend() does it. Platform-specific
stuff it still called as there might be some phy-related stuff
which needs to be enabled.
Also interrupts are enabled, as it was the original idea
of calling musb_start() in musb_resume() according to
Commit 6fc6f4b87cb3 ("usb: musb: Disable interrupts on suspend,
enable them on resume")
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When resuming from idle with the new suspend mode configuration support
we go through the resume callbacks with a state of PM_SUSPEND_TO_IDLE
which we don't have regulator constraints for, causing an error:
dpm_run_callback(): regulator_resume_early+0x0/0x64 returns -22
PM: Device regulator.0 failed to resume early: error -22
Avoid this and similar errors by treating missing constraints as a noop.
See also commit 57a0dd187956ea04 ("regulator: Fix suspend to idle"),
which fixed the suspend part.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We can't request IRQs in atomic context, so for ACPI systems we'll have
to request them up-front, and later associate them with CPUs.
This patch reorganises the arm_pmu code to do so. As we no longer have
the arm_pmu structure at probe time, a number of prototypes need to be
adjusted, requiring changes to the common arm_pmu code and arm_pmu
platform code.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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To support ACPI systems, we need to request IRQs before we know the
associated PMU, and thus we need some percpu variable that the IRQ
handler can find the PMU from.
As we're going to request IRQs without the PMU, we can't rely on the
arm_pmu::active_irqs mask, and similarly need to track requested IRQs
with a percpu variable.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
[will: made armpmu_count_irq_users static]
Signed-off-by: Will Deacon <will.deacon@arm.com>
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To support ACPI systems, we need to request IRQs before CPUs are
hotplugged, and thus we need to request IRQs before we know their
associated PMU.
This is problematic if a PMU IRQ is pending out of reset, as it may be
taken before we know the PMU, and thus the IRQ handler won't be able to
handle it, leaving it screaming.
To avoid such problems, lets request all IRQs in a disabled state, and
explicitly enable/disable them at hotplug time, when we're sure the PMU
has been probed.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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The arm_pmu platform code explicitly checks for mismatched PPIs at probe
time, while the ACPI code leaves this to the core code. Future
refactoring will make this difficult for the core code to check, so
let's have the ACPI code check this explicitly.
As before, upon a failure we'll continue on without an interrupt. Ho
hum.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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In ACPI systems, we don't know the makeup of CPUs until we hotplug them
on, and thus have to allocate the PMU datastructures at hotplug time.
Thus, we must use GFP_ATOMIC allocations.
Let's add an armpmu_alloc_atomic() that we can use in this case.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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The armpmu_{request,free}_irqs() helpers are only used by
arm_pmu_platform.c, so let's fold them in and make them static.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Now that we have no platforms passing platform data to the arm_pmu code,
we can get rid of the platdata and associated hooks, paving the way for
rework of our IRQ handling.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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The plane buffer address/stride/height was incorrectly updated in the
plane_atomic_update operation instead of the vsync irq.
This patch delays this operation in the vsync irq along with the
other plane delayed setup.
This issue was masked using legacy framebuffer and X11 modesetting, but
is clearly visible using gbm rendering when buffer is submitted late after
vblank, like using software decoding and OpenGL rendering in Kodi.
With this patch, tearing and other artifacts disappears completely.
Cc: Michal Lazo <michal.lazo@gmail.com>
Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1518689976-23292-1-git-send-email-narmstrong@baylibre.com
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First round of IIO fixes for the 4.16 cycle.
One nasty very old crash around polling for buffers that aren't there
- though that can only cause effects on drivers that support events
but not buffers.
* buffer / kfifo handling in the core.
- Check there is a buffer and return 0 from poll directly if there
isn't. Poll doesn't make sense in this circumstances, but best to close
the hole.
* ad5933
- Change the marked buffer mode to a software buffer as the meaning of
the hardware buffer label has long since changed and this uses a front
end software buffer anyway.
* ad7192
- Fix the fact the external clock frequency was only set when using the
internal clock which was less than helpful.
* adis_lib
- Initialize the trigger before requesting the interrupt. Some newer
parts can power up with interrupt generation enabled so ordering now
matters.
* aspeed-adc
- Fix an errror handling path as labels and general ordering were wrong.
* srf08
- Fix a link error due to undefined devm_iio_triggered_buffer_setup.
* stm32-adc
- Fix error handling unwind squence in stm32h7_adc_enable.
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During eviction, the driver may free more than one hole in the drm_mm
due to the side-effects in evicting the scanned nodes. However,
drm_mm_scan_color_evict() expects that the scan result is the first
available hole (in the mru freed hole_stack list):
kernel BUG at drivers/gpu/drm/drm_mm.c:844!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
Dumping ftrace buffer:
(ftrace buffer empty)
Modules linked in: i915 snd_hda_codec_analog snd_hda_codec_generic coretemp snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core lpc_ich snd_pcm e1000e mei_me prime_numbers mei
CPU: 1 PID: 1490 Comm: gem_userptr_bli Tainted: G U 4.16.0-rc1-g740f57c54ecf-kasan_6+ #1
Hardware name: Dell Inc. OptiPlex 755 /0PU052, BIOS A08 02/19/2008
RIP: 0010:drm_mm_scan_color_evict+0x2b8/0x3d0
RSP: 0018:ffff880057a573f8 EFLAGS: 00010287
RAX: ffff8800611f5980 RBX: ffff880057a575d0 RCX: dffffc0000000000
RDX: 00000000029d5000 RSI: 1ffff1000af4aec1 RDI: ffff8800611f5a10
RBP: ffff88005ab884d0 R08: ffff880057a57600 R09: 000000000afff000
R10: 1ffff1000b5710b5 R11: 0000000000001000 R12: 1ffff1000af4ae82
R13: ffff8800611f59b0 R14: ffff8800611f5980 R15: ffff880057a57608
FS: 00007f2de0c2e8c0(0000) GS:ffff88006ac40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ddde1e000 CR3: 00000000609b2000 CR4: 00000000000006e0
Call Trace:
? drm_mm_scan_remove_block+0x330/0x330
? drm_mm_scan_remove_block+0x151/0x330
i915_gem_evict_something+0x711/0xbd0 [i915]
? igt_evict_contexts+0x50/0x50 [i915]
? nop_clear_range+0x10/0x10 [i915]
? igt_evict_something+0x90/0x90 [i915]
? i915_gem_gtt_reserve+0x1a1/0x320 [i915]
i915_gem_gtt_insert+0x237/0x400 [i915]
__i915_vma_do_pin+0xc25/0x1a20 [i915]
eb_lookup_vmas+0x1c63/0x3790 [i915]
? i915_gem_check_execbuffer+0x250/0x250 [i915]
? trace_hardirqs_on_caller+0x33f/0x590
? _raw_spin_unlock_irqrestore+0x39/0x60
? __pm_runtime_resume+0x7d/0xf0
i915_gem_do_execbuffer+0x86a/0x2ff0 [i915]
? __kmalloc+0x132/0x340
? i915_gem_execbuffer2_ioctl+0x10f/0x760 [i915]
? drm_ioctl_kernel+0x12e/0x1c0
? drm_ioctl+0x662/0x980
? eb_relocate_slow+0xa90/0xa90 [i915]
? i915_gem_execbuffer2_ioctl+0x10f/0x760 [i915]
? __might_fault+0xea/0x1a0
i915_gem_execbuffer2_ioctl+0x3cc/0x760 [i915]
? i915_gem_execbuffer_ioctl+0xba0/0xba0 [i915]
? lock_acquire+0x3c0/0x3c0
? i915_gem_execbuffer_ioctl+0xba0/0xba0 [i915]
drm_ioctl_kernel+0x12e/0x1c0
drm_ioctl+0x662/0x980
? i915_gem_execbuffer_ioctl+0xba0/0xba0 [i915]
? drm_getstats+0x20/0x20
? debug_check_no_obj_freed+0x2a6/0x8c0
do_vfs_ioctl+0x170/0xe70
? ioctl_preallocate+0x170/0x170
? task_work_run+0xbe/0x160
? lock_acquire+0x3c0/0x3c0
? trace_hardirqs_on_caller+0x33f/0x590
? _raw_spin_unlock_irq+0x2f/0x50
SyS_ioctl+0x36/0x70
? do_vfs_ioctl+0xe70/0xe70
do_syscall_64+0x18c/0x5d0
entry_SYSCALL_64_after_hwframe+0x26/0x9b
RIP: 0033:0x7f2ddf13b587
RSP: 002b:00007fff15c4f9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2ddf13b587
RDX: 00007fff15c4fa20 RSI: 0000000040406469 RDI: 0000000000000003
RBP: 00007fff15c4fa20 R08: 0000000000000000 R09: 00007f2ddf3fe120
R10: 0000000000000073 R11: 0000000000000246 R12: 0000000040406469
R13: 0000000000000003 R14: 00007fff15c4fa20 R15: 00000000000000c7
Code: 00 00 00 4a c7 44 22 08 00 00 00 00 42 c7 44 22 10 00 00 00 00 48 81 c4 b8 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 0b 0f 0b <0f> 0b 31 c0 eb c0 4c 89 ef e8 9a 09 41 ff e9 1e fe ff ff 4c 89
RIP: drm_mm_scan_color_evict+0x2b8/0x3d0 RSP: ffff880057a573f8
We can trivially relax this assumption by searching the hole_stack for
the scan result and warn instead if the driver called us without any
result.
Fixes: 3fa489dabea9 ("drm: Apply tight eviction scanning to color_adjust")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.11+
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180219113543.8010-1-chris@chris-wilson.co.uk
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Add cannon point device ids for 4th (itouch) device.
Cc: <stable@vger.kernel.org> 4.14+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add CNP LP and CNP H device ids for cannon lake
and coffee lake platforms.
Cc: <stable@vger.kernel.org> 4.14+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-linus
Chanwoo writes:
Update extcon for v4.16-rc3
This patch fixes issue of X-power extcon-axp288 and Intel extcon-int3496 driver.
- For extcon-int3496 driver,
Process id-pin first so that we start with the right status in order to fix
a race where the initial work might still be running while other drivers
were already calling extcon_get_state().
- For extcon-axp288 driver,
Revert the patch[1] which were applied to v4.16-rc1 because there are better
ways with usb-role-switch and constify the axp288_pwr_up_down_info array.
[1] 60ed99961469a3 ("extcon: axp288: Redo charger type detection a couple of seconds after probe()")
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Bit field [2:0] of HDMI_I2S_PIN_SEL_1 corresponds to SDATA_0,
not SDATA_2. This patch removes redefinition of HDMI_I2S_SEL_DATA2
constant and adds missing HDMI_I2S_SEL_DATA0.
The value of bit field selecting SDATA_1 (pin_sel_3) is also changed,
so it is 3 as suggested in the Exynos TRMs.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Since its inclusion in 2012 via commit bea8a429d91a ("drm/exynos: add rotator ipp driver")
this header is not used by any source files and is empty.
Lets just remove it.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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two functions
Omit an extra message for a memory allocation failure in these functions.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Due to a typo, the mask was destroyed by a comparison instead of a bit
shift.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The exynos DRM driver uses real-time 'struct timeval' values
for exporting its timestamps to user space. This has multiple
problems:
1. signed seconds overflow in y2038
2. the 'struct timeval' definition is deprecated in the kernel
3. time may jump or go backwards after a 'settimeofday()' syscall
4. other DRM timestamps are in CLOCK_MONOTONIC domain, so they
can't be compared
5. exporting microseconds requires a division by 1000, which may
be slow on some architectures.
The code existed in two places before, but the IPP portion was
removed in 8ded59413ccc ("drm/exynos: ipp: Remove Exynos DRM
IPP subsystem"), so we no longer need to worry about it.
Ideally timestamps should just use 64-bit nanoseconds instead, but
of course we can't change that now. Instead, this tries to address
the first four points above by using monotonic 'timespec' values.
According to Tobias Jakobi, user space doesn't care about the
timestamp at the moment, so we can change the format. Even if
there is something looking at them, it will work just fine with
monotonic times as long as the application only looks at the
relative values between two events.
Link: https://patchwork.kernel.org/patch/10038593/
Cc: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Pull networking fixes from David Miller:
1) Prevent index integer overflow in ptr_ring, from Jason Wang.
2) Program mvpp2 multicast filter properly, from Mikulas Patocka.
3) The bridge brport attribute file is write only and doesn't have a
->show() method, don't blindly invoke it. From Xin Long.
4) Inverted mask used in genphy_setup_forced(), from Ingo van Lil.
5) Fix multiple definition issue with if_ether.h UAPI header, from
Hauke Mehrtens.
6) Fix GFP_KERNEL usage in atomic in RDS protocol code, from Sowmini
Varadhan.
7) Revert XDP redirect support from thunderx driver, it is not
implemented properly. From Jesper Dangaard Brouer.
8) Fix missing RTNL protection across some tipc operations, from Ying
Xue.
9) Return the correct IV bytes in the TLS getsockopt code, from Boris
Pismenny.
10) Take tclassid into consideration properly when doing FIB rule
matching. From Stefano Brivio.
11) cxgb4 device needs more PCI VPD quirks, from Casey Leedom.
12) TUN driver doesn't align frags properly, and we can end up doing
unaligned atomics on misaligned metadata. From Eric Dumazet.
13) Fix various crashes found using DEBUG_PREEMPT in rmnet driver, from
Subash Abhinov Kasiviswanathan.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (56 commits)
tg3: APE heartbeat changes
mlxsw: spectrum_router: Do not unconditionally clear route offload indication
net: qualcomm: rmnet: Fix possible null dereference in command processing
net: qualcomm: rmnet: Fix warning seen with 64 bit stats
net: qualcomm: rmnet: Fix crash on real dev unregistration
sctp: remove the left unnecessary check for chunk in sctp_renege_events
rxrpc: Work around usercopy check
tun: fix tun_napi_alloc_frags() frag allocator
udplite: fix partial checksum initialization
skbuff: Fix comment mis-spelling.
dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock
PCI/cxgb4: Extend T3 PCI quirk to T4+ devices
cxgb4: fix trailing zero in CIM LA dump
cxgb4: free up resources of pf 0-3
fib_semantics: Don't match route with mismatching tclassid
NFC: llcp: Limit size of SDP URI
tls: getsockopt return record sequence number
tls: reset the crypto info if copy_from_user fails
tls: retrun the correct IV in getsockopt
docs: segmentation-offloads.txt: add SCTP info
...
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In ungraceful host shutdown or driver crash case BMC connectivity is
lost. APE firmware is missing the driver state in this
case to keep the BMC connectivity alive.
This patch has below change to address this issue.
Heartbeat mechanism with APE firmware. This heartbeat mechanism
is needed to notify the APE firmware about driver state.
This patch also has the change in wait time for APE event from
1ms to 20ms as there can be some delay in getting response.
v2: Drop inline keyword as per David suggestion.
Signed-off-by: Prashant Sreedharan <prashant.sreedharan@broadcom.com>
Signed-off-by: Satish Baddipadige <satish.baddipadige@broadcom.com>
Signed-off-by: Siva Reddy Kallam <siva.kallam@broadcom.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the case of 'recover', an r10bio with R10BIO_WriteError &
R10BIO_IsRecover will be progressed by handle_write_completed().
This function traverses all r10bio->devs[copies].
If devs[m].repl_bio != NULL, it thinks conf->mirrors[dev].replacement
is also not NULL. However, this is not always true.
When there is an rdev of raid10 has replacement, then each r10bio
->devs[m].repl_bio != NULL in conf->r10buf_pool. However, in 'recover',
even if corresponded replacement is NULL, it doesn't clear r10bio
->devs[m].repl_bio, resulting in replacement NULL deference.
This bug was introduced when replacement support for raid10 was
added in Linux 3.3.
As NeilBrown suggested:
Elsewhere the determination of "is this device part of the
resync/recovery" is made by resting bio->bi_end_io.
If this is end_sync_write, then we tried to write here.
If it is NULL, then we didn't try to write.
Fixes: 9ad1aefc8ae8 ("md/raid10: Handle replacement devices during resync.")
Cc: stable (V3.3+)
Suggested-by: NeilBrown <neilb@suse.com>
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Shaohua Li <sh.li@alibaba-inc.com>
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The locking protocols in md assume that a device will
never be removed from an array during resync/recovery/reshape.
When that isn't happening, rcu or reconfig_mutex is needed
to protect an rdev pointer while taking a refcount. When
it is happening, that protection isn't needed.
Unfortunately there are cases were remove_and_add_spares() is
called when recovery might be happening: is state_store(),
slot_store() and hot_remove_disk().
In each case, this is just an optimization, to try to expedite
removal from the personality so the device can be removed from
the array. If resync etc is happening, we just have to wait
for md_check_recover to find a suitable time to call
remove_and_add_spares().
This optimization and not essential so it doesn't
matter if it fails.
So change remove_and_add_spares() to abort early if
resync/recovery/reshape is happening, unless it is called
from md_check_recovery() as part of a newly started recovery.
The parameter "this" is only NULL when called from
md_check_recovery() so when it is NULL, there is no need to abort.
As this can result in a NULL dereference, the fix is suitable
for -stable.
cc: yuyufen <yuyufen@huawei.com>
Cc: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
Fixes: 8430e7e0af9a ("md: disconnect device from personality before trying to remove it.")
Cc: stable@ver.kernel.org (v4.8+)
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <sh.li@alibaba-inc.com>
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isp5100_tco.c uses watchdog core functions (from watchdog_core.c) and, when
compiled without CONFIG_WATCHDOG_CORE being set, it produces the
following build error:
ERROR: "devm_watchdog_register_device" [drivers/watchdog/sp5100_tco.ko] undefined!
ERROR: "watchdog_init_timeout" [drivers/watchdog/sp5100_tco.ko] undefined!
Fix this by selecting CONFIG_WATCHDOG_CORE.
Fixes: 7cd9d5fff792 ("watchdog: sp5100_tco: Convert to use watchdog subsystem")
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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xen_wdt uses watchdog core functions (from watchdog_core.c) and, when
compiled without CONFIG_WATCHDOG_CORE being set, it produces the
following build error:
ERROR: "devm_watchdog_register_device" [drivers/watchdog/xen_wdt.ko] undefined!
ERROR: "watchdog_init_timeout" [drivers/watchdog/xen_wdt.ko] undefined!
Fix this by selecting CONFIG_WATCHDOG_CORE when CONFIG_XEN_WDT is set.
Fixes: 18cffd68e0c4 ("watchdog: xen_wdt: use the watchdog subsystem")
Signed-off-by: Radu Rendec <radu.rendec@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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i6300esb uses fuctions defined in watchdog_core.c, and when
CONFIG_WATCHDOG_CORE is not set we have this build error:
drivers/watchdog/i6300esb.o: In function `esb_remove':
i6300esb.c:(.text+0xcc): undefined reference to `watchdog_unregister_device'
drivers/watchdog/i6300esb.o: In function `esb_probe':
i6300esb.c:(.text+0x2a1): undefined reference to `watchdog_init_timeout'
i6300esb.c:(.text+0x388): undefined reference to `watchdog_register_device'
make: *** [Makefile:1029: vmlinux] Error 1
Fix this by selecting CONFIG_WATCHDOG_CORE when I6300ESB_WDT is set.
Fixes: 7af4ac8772a8f ("watchdog: i6300esb: use the watchdog subsystem")
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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We can build this driver with or without NVMEM, but not built-in
when NVMEM is a loadable module:
drivers/watchdog/rave-sp-wdt.o: In function `rave_sp_wdt_probe':
rave-sp-wdt.c:(.text+0x27c): undefined reference to `nvmem_cell_get'
rave-sp-wdt.c:(.text+0x290): undefined reference to `nvmem_cell_read'
rave-sp-wdt.c:(.text+0x2c4): undefined reference to `nvmem_cell_put'
This adds a Kconfig dependency to enforce that.
Fixes: c3bb33345721 ("watchdog: Add RAVE SP watchdog driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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When mlxsw replaces (or deletes) a route it removes the offload
indication from the replaced route. This is problematic for IPv4 routes,
as the offload indication is stored in the fib_info which is usually
shared between multiple routes.
Instead of unconditionally clearing the offload indication, only clear
it if no other route is using the fib_info.
Fixes: 3984d1a89fe7 ("mlxsw: spectrum_router: Provide offload indication using nexthop flags")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Alexander Petrovskiy <alexpe@mellanox.com>
Tested-by: Alexander Petrovskiy <alexpe@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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