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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-current
at24 fixes for v5.6-rc6
- fix regulator underflow bug introduced during the v5.6 merge window
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Extend code from single cpu-dai to multi-dai
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200312200622.24477-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The HDA_DSP_IPC_PURGE_FW IPC from ROM is already handled in
cl_dsp_init(), and it will never be received in the IRQ thread,
so the wait condition on this IPC will never be satisfied. The
wait before loading firmware is redundant and can be removed safely.
Signed-off-by: Amery Song <chao.song@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Keyon Jie <yang.jie@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20200312200622.24477-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The HDA_DSP_IPC_PURGE_FW IPC from ROM is already handled in
cl_dsp_init(), and as IPC IRQ is disabled at this stage, this
IPC will be never received in the IRQ thread. The function
hda_dsp_ipc_is_sof for filtering the ROM IPC can be removed
safely.
Signed-off-by: Amery Song <chao.song@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Keyon <yang.jie@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200312200622.24477-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This enum code, and what's more important, related structures is
unused in whole source code, so it shouldn't be kept.
Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200312200622.24477-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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It's a part of ABI interface, so enum value shouldn't change
for example after removing some old enum code.
Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200312200622.24477-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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snd_soc_dai_stream_valid() will check if the stream is valid by testing
stream->channels_min. So we do need the information in dai driver.
The stream name is not added since we want to sure
playback_widget/capture_widget will be created by topology.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200312200622.24477-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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snd_hdac_codec_modalias() truncates the string to the given size and
returns its size, but it returned a wrong size from snprintf().
snprintf() returns the would-be-output size, not the actual size.
Use scnprintf() instead to return the correct size.
Link: https://lore.kernel.org/r/20200313130241.8970-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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show_pcm_class() returns obviously a short string that can't overflow
PAGE_SIZE. And even if it were to overflow, using snprintf() there is
just wrong, as it doesn't return the correct size.
So simplify with sprintf() instead.
Link: https://lore.kernel.org/r/20200313130223.8908-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Lockdep reports "WARNING: lock held when returning to user space!" due to
async write holding freeze lock over the write. Apparently aio.c already
deals with this by lying to lockdep about the state of the lock.
Do the same here. No need to check for S_IFREG() here since these file ops
are regular-only.
Reported-by: syzbot+9331a354f4f624a52a55@syzkaller.appspotmail.com
Fixes: 2406a307ac7d ("ovl: implement async IO routines")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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Fix up two bugs in the coversion to xino_mode:
1. xino=off does not always end up in disabled mode
2. xino=auto on 32bit arch should end up in disabled mode
Take a proactive approach to disabling xino on 32bit kernel:
1. Disable XINO_AUTO config during build time
2. Disable xino with a warning on mount time
As a by product, xino=on on 32bit arch also ends up in disabled mode.
We never intended to enable xino on 32bit arch and this will make the
rest of the logic simpler.
Fixes: 0f831ec85eda ("ovl: simplify ovl_same_sb() helper")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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The max volume of the DAC1 Playback Volume is 0dB.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20200313023850.28875-2-oder_chiou@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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snprintf() is a hard-to-use function, it's especially difficult to use
it for concatenating substrings in a buffer with a limited size.
Since snprintf() returns the would-be-output size, not the actual
size, the subsequent use of snprintf() may point to the incorrect
position.
Use scnprintf() instead for fixing such potential errors.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200313130334.9028-1-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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Shutdown of firmware framebuffer has a bunch of problems. Because
of this the framebuffer region might still be reserved even after
drm_fb_helper_remove_conflicting_pci_framebuffers() returned.
Don't consider pci_request_region() failure for the framebuffer
region as fatal error to workaround this issue.
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20200313084152.2734-1-kraxel@redhat.com
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The vector management code assumes that managed interrupts cannot be
migrated away from an online CPU. free_moved_vector() has a WARN_ON_ONCE()
which triggers when a managed interrupt vector association on a online CPU
is cleared. The CPU offline code uses a different mechanism which cannot
trigger this.
This assumption is not longer correct because the new CPU isolation feature
which affects the placement of managed interrupts must be able to move a
managed interrupt away from an online CPU.
There are two reasons why this can happen:
1) When the interrupt is activated the affinity mask which was
established in irq_create_affinity_masks() is handed in to
the vector allocation code. This mask contains all CPUs to which
the interrupt can be made affine to, but this does not take the
CPU isolation 'managed_irq' mask into account.
When the interrupt is finally requested by the device driver then the
affinity is checked again and the CPU isolation 'managed_irq' mask is
taken into account, which moves the interrupt to a non-isolated CPU if
possible.
2) The interrupt can be affine to an isolated CPU because the
non-isolated CPUs in the calculated affinity mask are not online.
Once a non-isolated CPU which is in the mask comes online the
interrupt is migrated to this non-isolated CPU
In both cases the regular online migration mechanism is used which triggers
the WARN_ON_ONCE() in free_moved_vector().
Case #1 could have been addressed by taking the isolation mask into
account, but that would require a massive code change in the activation
logic and the eventual migration event was accepted as a reasonable
tradeoff when the isolation feature was developed. But even if #1 would be
addressed, #2 would still trigger it.
Of course the warning in free_moved_vector() was overlooked at that time
and the above two cases which have been discussed during patch review have
obviously never been tested before the final submission.
So keep it simple and remove the warning.
[ tglx: Rewrote changelog and added a comment to free_moved_vector() ]
Fixes: 11ea68f553e2 ("genirq, sched/isolation: Isolate from handling managed interrupts")
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lkml.kernel.org/r/20200312205830.81796-1-peterx@redhat.com
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i2c_verify_client() can fail, so we need to put the device when that
happens.
Fixes: 525e6fabeae2 ("i2c / ACPI: add support for ACPI reconfigure notifications")
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Commit 6825d3ea6cde ("iommu/vt-d: Add debugfs support to show register
contents") dumps the register contents for all IOMMU devices.
Currently, a 64 bit read(dmar_readq) is done for all the IOMMU registers,
even though some of the registers are 32 bits, which is incorrect.
Use the correct read function variant (dmar_readl/dmar_readq) while
reading the contents of 32/64 bit registers respectively.
Signed-off-by: Megha Dey <megha.dey@linux.intel.com>
Link: https://lore.kernel.org/r/1583784587-26126-2-git-send-email-megha.dey@linux.intel.com
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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add_taint
Quoting from the comment describing the WARN functions in
include/asm-generic/bug.h:
* WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report
* significant kernel issues that need prompt attention if they should ever
* appear at runtime.
*
* Do not use these macros when checking for invalid external inputs
The (buggy) firmware tables which the dmar code was calling WARN_TAINT
for really are invalid external inputs. They are not under the kernel's
control and the issues in them cannot be fixed by a kernel update.
So logging a backtrace, which invites bug reports to be filed about this,
is not helpful.
Fixes: 556ab45f9a77 ("ioat2: catch and recover from broken vtd configurations v6")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20200309182510.373875-1-hdegoede@redhat.com
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=701847
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Quoting from the comment describing the WARN functions in
include/asm-generic/bug.h:
* WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report
* significant kernel issues that need prompt attention if they should ever
* appear at runtime.
*
* Do not use these macros when checking for invalid external inputs
The (buggy) firmware tables which the dmar code was calling WARN_TAINT
for really are invalid external inputs. They are not under the kernel's
control and the issues in them cannot be fixed by a kernel update.
So logging a backtrace, which invites bug reports to be filed about this,
is not helpful.
Some distros, e.g. Fedora, have tools watching for the kernel backtraces
logged by the WARN macros and offer the user an option to file a bug for
this when these are encountered. The WARN_TAINT in dmar_parse_one_rmrr
+ another iommu WARN_TAINT, addressed in another patch, have lead to over
a 100 bugs being filed this way.
This commit replaces the WARN_TAINT("...") call, with a
pr_warn(FW_BUG "...") + add_taint(TAINT_FIRMWARE_WORKAROUND, ...) call
avoiding the backtrace and thus also avoiding bug-reports being filed
about this against the kernel.
Fixes: f5a68bb0752e ("iommu/vt-d: Mark firmware tainted if RMRR fails sanity check")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: stable@vger.kernel.org
Cc: Barret Rhoden <brho@google.com>
Link: https://lore.kernel.org/r/20200309140138.3753-3-hdegoede@redhat.com
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1808874
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Quoting from the comment describing the WARN functions in
include/asm-generic/bug.h:
* WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report
* significant kernel issues that need prompt attention if they should ever
* appear at runtime.
*
* Do not use these macros when checking for invalid external inputs
The (buggy) firmware tables which the dmar code was calling WARN_TAINT
for really are invalid external inputs. They are not under the kernel's
control and the issues in them cannot be fixed by a kernel update.
So logging a backtrace, which invites bug reports to be filed about this,
is not helpful.
Some distros, e.g. Fedora, have tools watching for the kernel backtraces
logged by the WARN macros and offer the user an option to file a bug for
this when these are encountered. The WARN_TAINT in warn_invalid_dmar()
+ another iommu WARN_TAINT, addressed in another patch, have lead to over
a 100 bugs being filed this way.
This commit replaces the WARN_TAINT("...") calls, with
pr_warn(FW_BUG "...") + add_taint(TAINT_FIRMWARE_WORKAROUND, ...) calls
avoiding the backtrace and thus also avoiding bug-reports being filed
about this against the kernel.
Fixes: fd0c8894893c ("intel-iommu: Set a more specific taint flag for invalid BIOS DMAR tables")
Fixes: e625b4a95d50 ("iommu/vt-d: Parse ANDD records")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200309140138.3753-2-hdegoede@redhat.com
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1564895
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This fixes a problem found on the MacBookPro 2017 Retina panel:
The panel reports 10 bpc color depth in its EDID, and the
firmware chooses link settings at boot which support enough
bandwidth for 10 bpc (324000 kbit/sec aka LINK_RATE_RBR2
aka 0xc), but the DP_MAX_LINK_RATE dpcd register only reports
2.7 Gbps (multiplier value 0xa) as possible, in direct
contradiction of what the firmware successfully set up.
This restricts the panel to 8 bpc, not providing the full
color depth of the panel on Linux <= 5.5. Additionally, commit
'4a8ca46bae8a ("drm/amd/display: Default max bpc to 16 for eDP")'
introduced into Linux 5.6-rc1 will unclamp panel depth to
its full 10 bpc, thereby requiring a eDP bandwidth for all
modes that exceeds the bandwidth available and causes all modes
to fail validation -> No modes for the laptop panel -> failure
to set any mode -> Panel goes dark.
This patch adds a quirk specific to the MBP 2017 15" Retina
panel to override reported max link rate to the correct maximum
of 0xc = LINK_RATE_RBR2 to fix the darkness and reduced display
precision.
Please apply for Linux 5.6+ to avoid regressing Apple MBP panel
support.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This can fix the baco reset failure seen on Navi10.
And this should be a low risk fix as the same sequence
is already used for system suspend/resume.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The offset into the array was specified in bytes but should
be in terms of 32-bit words. Also prevent large reads that
would also cause a buffer overread.
v2: Read from correct offset from internal storage buffer.
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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In dcn20_funcs and dcn21_funcs struct, the member ".dsc_pg_control = NULL"
should be removed due to .dsc_pg_control be assigned to dcn20_dsc_pg_control.
Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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With CONFIG_KASAN_VMALLOC, new page tables are created at the time
shadow memory for vmalloc area is unmapped. If some parts of the
page table still have entries to the zero page shadow memory, the
entries are wrongly marked RW.
With CONFIG_KASAN_VMALLOC, almost the entire kernel address space
is managed by KASAN. To make it simple, just create KASAN page tables
for the entire kernel space at kasan_init(). That doesn't use much
more space, and that's anyway already done for hash platforms.
Fixes: 3d4247fcc938 ("powerpc/32: Add support of KASAN_VMALLOC")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ef5248fc1f496c6b0dfdb59380f24968f25f75c5.1583513368.git.christophe.leroy@c-s.fr
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Pull drm fixes from Dave Airlie:
"It's a bit quieter, probably not as much as it could be.
There is on large regression fix in here from Lyude for displayport
bandwidth calculations, there've been reports of multi-monitor in
docks not working since -rc1 and this has been tested to fix those.
Otherwise it's a bunch of i915 (with some GVT fixes), a set of amdgpu
watermark + bios fixes, and an exynos iommu cleanup fix.
core:
- DP MST bandwidth regression fix.
i915:
- hard lockup fix
- GVT fixes
- 32-bit alignment issue fix
- timeline wait fixes
- cacheline_retire and free
amdgpu:
- Update the display watermark bounding box for navi14
- Fix fetching vbios directly from rom on vega20/arcturus
- Navi and renoir watermark fixes
exynos:
- iommu object cleanup fix"
`
* tag 'drm-fixes-2020-03-13' of git://anongit.freedesktop.org/drm/drm:
drm/dp_mst: Rewrite and fix bandwidth limit checks
drm/dp_mst: Reprobe path resources in CSN handler
drm/dp_mst: Use full_pbn instead of available_pbn for bandwidth checks
drm/dp_mst: Rename drm_dp_mst_is_dp_mst_end_device() to be less redundant
drm/i915: Defer semaphore priority bumping to a workqueue
drm/i915/gt: Close race between cacheline_retire and free
drm/i915/execlists: Enable timeslice on partial virtual engine dequeue
drm/i915: be more solid in checking the alignment
drm/i915/gvt: Fix dma-buf display blur issue on CFL
drm/i915: Return early for await_start on same timeline
drm/i915: Actually emit the await_start
drm/amdgpu/powerplay: nv1x, renior copy dcn clock settings of watermark to smu during boot up
drm/exynos: Fix cleanup of IOMMU related objects
drm/amdgpu: correct ROM_INDEX/DATA offset for VEGA20
drm/amd/display: update soc bb for nv14
drm/i915/gvt: Fix emulated vbt size issue
drm/i915/gvt: Fix unnecessary schedule timer when no vGPU exits
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All the files in Documentation/kbuild/ were converted to reST.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
UAPI Changes: None
Cross-subsystem Changes: None
Core Changes: Fixed regressions introduced by commit cd82d82cbc04
("drm/dp_mst: Add branch bandwidth validation to MST atomic check"),
which would cause us to:
* Calculate the available bandwidth on an MST topology incorrectly, and
as a result reject most display configurations that would try to enable
more then one sink on a topology
* Occasionally expose MST connectors to userspace before finishing
probing their PBN capabilities, resulting in us rejecting display
configurations because we assumed briefly that no bandwidth was
available
Driver Changes: None
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bf16ee577567beed91c86b7d9cda3ec2e8c50a71.camel@redhat.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.6-rc6:
- hard lockup fix
- GVT fixes
- 32-bit alignment issue fix
- timeline wait fixes
- cacheline_retire and free
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87lfo6ksvw.fsf@intel.com
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.6-2020-03-11:
amdgpu:
- Update the display watermark bounding box for navi14
- Fix fetching vbios directly from rom on vega20/arcturus
- Navi and renoir watermark fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200312020924.4161-1-alexander.deucher@amd.com
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Pull networking fixes from David Miller:
"It looks like a decent sized set of fixes, but a lot of these are one
liner off-by-one and similar type changes:
1) Fix netlink header pointer to calcular bad attribute offset
reported to user. From Pablo Neira Ayuso.
2) Don't double clear PHY interrupts when ->did_interrupt is set,
from Heiner Kallweit.
3) Add missing validation of various (devlink, nl802154, fib, etc.)
attributes, from Jakub Kicinski.
4) Missing *pos increments in various netfilter seq_next ops, from
Vasily Averin.
5) Missing break in of_mdiobus_register() loop, from Dajun Jin.
6) Don't double bump tx_dropped in veth driver, from Jiang Lidong.
7) Work around FMAN erratum A050385, from Madalin Bucur.
8) Make sure ARP header is pulled early enough in bonding driver,
from Eric Dumazet.
9) Do a cond_resched() during multicast processing of ipvlan and
macvlan, from Mahesh Bandewar.
10) Don't attach cgroups to unrelated sockets when in interrupt
context, from Shakeel Butt.
11) Fix tpacket ring state management when encountering unknown GSO
types. From Willem de Bruijn.
12) Fix MDIO bus PHY resume by checking mdio_bus_phy_may_suspend()
only in the suspend context. From Heiner Kallweit"
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (112 commits)
net: systemport: fix index check to avoid an array out of bounds access
tc-testing: add ETS scheduler to tdc build configuration
net: phy: fix MDIO bus PM PHY resuming
net: hns3: clear port base VLAN when unload PF
net: hns3: fix RMW issue for VLAN filter switch
net: hns3: fix VF VLAN table entries inconsistent issue
net: hns3: fix "tc qdisc del" failed issue
taprio: Fix sending packets without dequeueing them
net: mvmdio: avoid error message for optional IRQ
net: dsa: mv88e6xxx: Add missing mask of ATU occupancy register
net: memcg: fix lockdep splat in inet_csk_accept()
s390/qeth: implement smarter resizing of the RX buffer pool
s390/qeth: refactor buffer pool code
s390/qeth: use page pointers to manage RX buffer pool
seg6: fix SRv6 L2 tunnels to use IANA-assigned protocol number
net: dsa: Don't instantiate phylink for CPU/DSA ports unless needed
net/packet: tpacket_rcv: do not increment ring index on drop
sxgbe: Fix off by one in samsung driver strncpy size arg
net: caif: Add lockdep expression to RCU traversal primitive
MAINTAINERS: remove Sathya Perla as Emulex NIC maintainer
...
|
|
Sigh, this is mostly my fault for not giving commit cd82d82cbc04
("drm/dp_mst: Add branch bandwidth validation to MST atomic check")
enough scrutiny during review. The way we're checking bandwidth
limitations here is mostly wrong:
For starters, drm_dp_mst_atomic_check_bw_limit() determines the
pbn_limit of a branch by simply scanning each port on the current branch
device, then uses the last non-zero full_pbn value that it finds. It
then counts the sum of the PBN used on each branch device for that
level, and compares against the full_pbn value it found before.
This is wrong because ports can and will have different PBN limitations
on many hubs, especially since a number of DisplayPort hubs out there
will be clever and only use the smallest link rate required for each
downstream sink - potentially giving every port a different full_pbn
value depending on what link rate it's trained at. This means with our
current code, which max PBN value we end up with is not well defined.
Additionally, we also need to remember when checking bandwidth
limitations that the top-most device in any MST topology is a branch
device, not a port. This means that the first level of a topology
doesn't technically have a full_pbn value that needs to be checked.
Instead, we should assume that so long as our VCPI allocations fit we're
within the bandwidth limitations of the primary MSTB.
We do however, want to check full_pbn on every port including those of
the primary MSTB. However, it's important to keep in mind that this
value represents the minimum link rate /between a port's sink or mstb,
and the mstb itself/. A quick diagram to explain:
MSTB #1
/ \
/ \
Port #1 Port #2
full_pbn for Port #1 → | | ← full_pbn for Port #2
Sink #1 MSTB #2
|
etc...
Note that in the above diagram, the combined PBN from all VCPI
allocations on said hub should not exceed the full_pbn value of port #2,
and the display configuration on sink #1 should not exceed the full_pbn
value of port #1. However, port #1 and port #2 can otherwise consume as
much bandwidth as they want so long as their VCPI allocations still fit.
And finally - our current bandwidth checking code also makes the mistake
of not checking whether something is an end device or not before trying
to traverse down it.
So, let's fix it by rewriting our bandwidth checking helpers. We split
the function into one part for handling branches which simply adds up
the total PBN on each branch and returns it, and one for checking each
port to ensure we're not going over its PBN limit. Phew.
This should fix regressions seen, where we erroneously reject display
configurations due to thinking they're going over our bandwidth limits
when they're not.
Changes since v1:
* Took an even closer look at how PBN limitations are supposed to be
handled, and did some experimenting with Sean Paul. Ended up rewriting
these helpers again, but this time they should actually be correct!
Changes since v2:
* Small indenting fix
* Fix pbn_used check in drm_dp_mst_atomic_check_port_bw_limit()
Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: cd82d82cbc04 ("drm/dp_mst: Add branch bandwidth validation to MST atomic check")
Cc: Sean Paul <seanpaul@google.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Mikita Lipski <mikita.lipski@amd.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200309210131.1497545-1-lyude@redhat.com
|
|
We used to punt off reprobing path resources to the link address probe
work, but now that we handle CSNs asynchronously from the driver's HPD
handling we can do whatever the heck we want from the CSN!
So, reprobe the path resources from drm_dp_mst_handle_conn_stat(). Also,
get rid of the path resource reprobing code in
drm_dp_check_and_send_link_address() since it's needlessly complicated
when we already reprobe path resources from
drm_dp_handle_link_address_port(). And finally, teach
drm_dp_send_enum_path_resources() to return 1 on PBN changes so we know
if we need to send another hotplug or not.
This fixes issues where we've indicated to userspace that a port has
just been connected, before we actually probed it's available PBN -
something that results in unexpected atomic check failures.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: cd82d82cbc04 ("drm/dp_mst: Add branch bandwidth validation to MST atomic check")
Cc: Mikita Lipski <mikita.lipski@amd.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20200306234623.547525-4-lyude@redhat.com
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
|
|
DisplayPort specifications are fun. For a while, it's been really
unclear to us what available_pbn actually does. There's a somewhat vague
explanation in the DisplayPort spec (starting from 1.2) that partially
explains it:
The minimum payload bandwidth number supported by the path. Each node
updates this number with its available payload bandwidth number if its
payload bandwidth number is less than that in the Message Transaction
reply.
So, it sounds like available_pbn represents the smallest link rate in
use between the source and the branch device. Cool, so full_pbn is just
the highest possible PBN that the branch device supports right?
Well, we assumed that for quite a while until Sean Paul noticed that on
some MST hubs, available_pbn will actually get set to 0 whenever there's
any active payloads on the respective branch device. This caused quite a
bit of confusion since clearing the payload ID table would end up fixing
the available_pbn value.
So, we just went with that until commit cd82d82cbc04 ("drm/dp_mst: Add
branch bandwidth validation to MST atomic check") started breaking
people's setups due to us getting erroneous available_pbn values. So, we
did some more digging and got confused until we finally looked at the
definition for full_pbn:
The bandwidth of the link at the trained link rate and lane count
between the DP Source device and the DP Sink device with no time slots
allocated to VC Payloads, represented as a Payload Bandwidth Number. As
with the Available_Payload_Bandwidth_Number, this number is determined
by the link with the lowest lane count and link rate.
That's what we get for not reading specs closely enough, hehe. So, since
full_pbn is definitely what we want for doing bandwidth restriction
checks - let's start using that instead and ignore available_pbn
entirely.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: cd82d82cbc04 ("drm/dp_mst: Add branch bandwidth validation to MST atomic check")
Cc: Mikita Lipski <mikita.lipski@amd.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Sean Paul <sean@poorly.run>
Reviewed-by: Mikita Lipski <mikita.lipski@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200306234623.547525-3-lyude@redhat.com
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
|
|
It's already prefixed by dp_mst, so we don't really need to repeat
ourselves here. One of the changes I should have picked up originally
when reviewing MST DSC support.
There should be no functional changes here
Cc: Mikita Lipski <mikita.lipski@amd.com>
Cc: Sean Paul <seanpaul@google.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200306234623.547525-2-lyude@redhat.com
|
|
Pull vfs fixes from Al Viro:
"A couple of fixes for old crap in ->atomic_open() instances"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
cifs_atomic_open(): fix double-put on late allocation failure
gfs2_atomic_open(): fix O_EXCL|O_CREAT handling on cold dcache
|
|
Currently the bounds check on index is off by one and can lead to
an out of bounds access on array priv->filters_loc when index is
RXCHK_BRCM_TAG_MAX.
Fixes: bb9051a2b230 ("net: systemport: Add support for WAKE_FILTER")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
add CONFIG_NET_SCH_ETS to 'config', otherwise test suites using this file
to perform a full tdc run will encounter the following warning:
ok 645 e90e - Add ETS qdisc using bands # skipped - "-----> teardown stage" did not complete successfully
Fixes: 82c664b69c8b ("selftests: qdiscs: Add test coverage for ETS Qdisc")
Reported-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
So far we have the unfortunate situation that mdio_bus_phy_may_suspend()
is called in suspend AND resume path, assuming that function result is
the same. After the original change this is no longer the case,
resulting in broken resume as reported by Geert.
To fix this call mdio_bus_phy_may_suspend() in the suspend path only,
and let the phy_device store the info whether it was suspended by
MDIO bus PM.
Fixes: 503ba7c69610 ("net: phy: Avoid multiple suspends")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
several iterations of ->atomic_open() calling conventions ago, we
used to need fput() if ->atomic_open() failed at some point after
successful finish_open(). Now (since 2016) it's not needed -
struct file carries enough state to make fput() work regardless
of the point in struct file lifecycle and discarding it on
failure exits in open() got unified. Unfortunately, I'd missed
the fact that we had an instance of ->atomic_open() (cifs one)
that used to need that fput(), as well as the stale comment in
finish_open() demanding such late failure handling. Trivially
fixed...
Fixes: fe9ec8291fca "do_last(): take fput() on error after opening to out:"
Cc: stable@kernel.org # v4.7+
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
|
|
with the way fs/namei.c:do_last() had been done, ->atomic_open()
instances needed to recognize the case when existing file got
found with O_EXCL|O_CREAT, either by falling back to finish_no_open()
or failing themselves. gfs2 one didn't.
Fixes: 6d4ade986f9c (GFS2: Add atomic_open support)
Cc: stable@kernel.org # v3.11
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
|
|
Huazhong Tan says:
====================
net: hns3: fixes for -net
This series includes several bugfixes for the HNS3 ethernet driver.
[patch 1] fixes an "tc qdisc del" failure.
[patch 2] fixes SW & HW VLAN table not consistent issue.
[patch 3] fixes a RMW issue related to VLAN filter switch.
[patch 4] clears port based VLAN when uploading PF.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Currently, PF missed to clear the port base VLAN for VF when
unload. In this case, the VLAN id will remain in the VLAN
table. This patch fixes it.
Fixes: 92f11ea177cd ("net: hns3: fix set port based VLAN issue for VF")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
According to the user manual, the ingress and egress VLAN filter
are configured at the same time. Currently, hclge_init_vlan_config()
and hclge_set_vlan_spoofchk() will both change the VLAN filter
switch. So it's necessary to read the old configuration before
modifying it.
Fixes: 22044f95faa0 ("net: hns3: add support for spoof check setting")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Currently, if VF is loaded on the host side, the host doesn't
clear the VF's VLAN table entries when VF removing. In this
case, when doing reset and disabling sriov at the same time the
VLAN device over VF will be removed, but the VLAN table entries
in hardware are remained.
This patch fixes it by asking PF to clear the VLAN table entries for
VF when VF is removing. It also clears the VLAN table full bit
after VF VLAN table entries being cleared.
Fixes: c6075b193462 ("net: hns3: Record VF vlan tables")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The HNS3 driver supports to configure TC numbers and TC to priority
map via "tc" tool. But when delete the rule, will fail, because
the HNS3 driver needs at least one TC, but the "tc" tool sets TC
number to zero when delete.
This patch makes sure that the TC number is at least one.
Fixes: 30d240dfa2e8 ("net: hns3: Add mqprio hardware offload support in hns3 driver")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
There was a bug that was causing packets to be sent to the driver
without first calling dequeue() on the "child" qdisc. And the KASAN
report below shows that sending a packet without calling dequeue()
leads to bad results.
The problem is that when checking the last qdisc "child" we do not set
the returned skb to NULL, which can cause it to be sent to the driver,
and so after the skb is sent, it may be freed, and in some situations a
reference to it may still be in the child qdisc, because it was never
dequeued.
The crash log looks like this:
[ 19.937538] ==================================================================
[ 19.938300] BUG: KASAN: use-after-free in taprio_dequeue_soft+0x620/0x780
[ 19.938968] Read of size 4 at addr ffff8881128628cc by task swapper/1/0
[ 19.939612]
[ 19.939772] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc3+ #97
[ 19.940397] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qe4
[ 19.941523] Call Trace:
[ 19.941774] <IRQ>
[ 19.941985] dump_stack+0x97/0xe0
[ 19.942323] print_address_description.constprop.0+0x3b/0x60
[ 19.942884] ? taprio_dequeue_soft+0x620/0x780
[ 19.943325] ? taprio_dequeue_soft+0x620/0x780
[ 19.943767] __kasan_report.cold+0x1a/0x32
[ 19.944173] ? taprio_dequeue_soft+0x620/0x780
[ 19.944612] kasan_report+0xe/0x20
[ 19.944954] taprio_dequeue_soft+0x620/0x780
[ 19.945380] __qdisc_run+0x164/0x18d0
[ 19.945749] net_tx_action+0x2c4/0x730
[ 19.946124] __do_softirq+0x268/0x7bc
[ 19.946491] irq_exit+0x17d/0x1b0
[ 19.946824] smp_apic_timer_interrupt+0xeb/0x380
[ 19.947280] apic_timer_interrupt+0xf/0x20
[ 19.947687] </IRQ>
[ 19.947912] RIP: 0010:default_idle+0x2d/0x2d0
[ 19.948345] Code: 00 00 41 56 41 55 65 44 8b 2d 3f 8d 7c 7c 41 54 55 53 0f 1f 44 00 00 e8 b1 b2 c5 fd e9 07 00 3
[ 19.950166] RSP: 0018:ffff88811a3efda0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[ 19.950909] RAX: 0000000080000000 RBX: ffff88811a3a9600 RCX: ffffffff8385327e
[ 19.951608] RDX: 1ffff110234752c0 RSI: 0000000000000000 RDI: ffffffff8385262f
[ 19.952309] RBP: ffffed10234752c0 R08: 0000000000000001 R09: ffffed10234752c1
[ 19.953009] R10: ffffed10234752c0 R11: ffff88811a3a9607 R12: 0000000000000001
[ 19.953709] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[ 19.954408] ? default_idle_call+0x2e/0x70
[ 19.954816] ? default_idle+0x1f/0x2d0
[ 19.955192] default_idle_call+0x5e/0x70
[ 19.955584] do_idle+0x3d4/0x500
[ 19.955909] ? arch_cpu_idle_exit+0x40/0x40
[ 19.956325] ? _raw_spin_unlock_irqrestore+0x23/0x30
[ 19.956829] ? trace_hardirqs_on+0x30/0x160
[ 19.957242] cpu_startup_entry+0x19/0x20
[ 19.957633] start_secondary+0x2a6/0x380
[ 19.958026] ? set_cpu_sibling_map+0x18b0/0x18b0
[ 19.958486] secondary_startup_64+0xa4/0xb0
[ 19.958921]
[ 19.959078] Allocated by task 33:
[ 19.959412] save_stack+0x1b/0x80
[ 19.959747] __kasan_kmalloc.constprop.0+0xc2/0xd0
[ 19.960222] kmem_cache_alloc+0xe4/0x230
[ 19.960617] __alloc_skb+0x91/0x510
[ 19.960967] ndisc_alloc_skb+0x133/0x330
[ 19.961358] ndisc_send_ns+0x134/0x810
[ 19.961735] addrconf_dad_work+0xad5/0xf80
[ 19.962144] process_one_work+0x78e/0x13a0
[ 19.962551] worker_thread+0x8f/0xfa0
[ 19.962919] kthread+0x2ba/0x3b0
[ 19.963242] ret_from_fork+0x3a/0x50
[ 19.963596]
[ 19.963753] Freed by task 33:
[ 19.964055] save_stack+0x1b/0x80
[ 19.964386] __kasan_slab_free+0x12f/0x180
[ 19.964830] kmem_cache_free+0x80/0x290
[ 19.965231] ip6_mc_input+0x38a/0x4d0
[ 19.965617] ipv6_rcv+0x1a4/0x1d0
[ 19.965948] __netif_receive_skb_one_core+0xf2/0x180
[ 19.966437] netif_receive_skb+0x8c/0x3c0
[ 19.966846] br_handle_frame_finish+0x779/0x1310
[ 19.967302] br_handle_frame+0x42a/0x830
[ 19.967694] __netif_receive_skb_core+0xf0e/0x2a90
[ 19.968167] __netif_receive_skb_one_core+0x96/0x180
[ 19.968658] process_backlog+0x198/0x650
[ 19.969047] net_rx_action+0x2fa/0xaa0
[ 19.969420] __do_softirq+0x268/0x7bc
[ 19.969785]
[ 19.969940] The buggy address belongs to the object at ffff888112862840
[ 19.969940] which belongs to the cache skbuff_head_cache of size 224
[ 19.971202] The buggy address is located 140 bytes inside of
[ 19.971202] 224-byte region [ffff888112862840, ffff888112862920)
[ 19.972344] The buggy address belongs to the page:
[ 19.972820] page:ffffea00044a1800 refcount:1 mapcount:0 mapping:ffff88811a2bd1c0 index:0xffff8881128625c0 compo0
[ 19.973930] flags: 0x8000000000010200(slab|head)
[ 19.974388] raw: 8000000000010200 ffff88811a2ed650 ffff88811a2ed650 ffff88811a2bd1c0
[ 19.975151] raw: ffff8881128625c0 0000000000190013 00000001ffffffff 0000000000000000
[ 19.975915] page dumped because: kasan: bad access detected
[ 19.976461] page_owner tracks the page as allocated
[ 19.976946] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NO)
[ 19.978332] prep_new_page+0x24b/0x330
[ 19.978707] get_page_from_freelist+0x2057/0x2c90
[ 19.979170] __alloc_pages_nodemask+0x218/0x590
[ 19.979619] new_slab+0x9d/0x300
[ 19.979948] ___slab_alloc.constprop.0+0x2f9/0x6f0
[ 19.980421] __slab_alloc.constprop.0+0x30/0x60
[ 19.980870] kmem_cache_alloc+0x201/0x230
[ 19.981269] __alloc_skb+0x91/0x510
[ 19.981620] alloc_skb_with_frags+0x78/0x4a0
[ 19.982043] sock_alloc_send_pskb+0x5eb/0x750
[ 19.982476] unix_stream_sendmsg+0x399/0x7f0
[ 19.982904] sock_sendmsg+0xe2/0x110
[ 19.983262] ____sys_sendmsg+0x4de/0x6d0
[ 19.983660] ___sys_sendmsg+0xe4/0x160
[ 19.984032] __sys_sendmsg+0xab/0x130
[ 19.984396] do_syscall_64+0xe7/0xae0
[ 19.984761] page last free stack trace:
[ 19.985142] __free_pages_ok+0x432/0xbc0
[ 19.985533] qlist_free_all+0x56/0xc0
[ 19.985907] quarantine_reduce+0x149/0x170
[ 19.986315] __kasan_kmalloc.constprop.0+0x9e/0xd0
[ 19.986791] kmem_cache_alloc+0xe4/0x230
[ 19.987182] prepare_creds+0x24/0x440
[ 19.987548] do_faccessat+0x80/0x590
[ 19.987906] do_syscall_64+0xe7/0xae0
[ 19.988276] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 19.988775]
[ 19.988930] Memory state around the buggy address:
[ 19.989402] ffff888112862780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 19.990111] ffff888112862800: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
[ 19.990822] >ffff888112862880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 19.991529] ^
[ 19.992081] ffff888112862900: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
[ 19.992796] ffff888112862980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler")
Reported-by: Michael Schmidt <michael.schmidt@eti.uni-siegen.de>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Acked-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Pull IPMI fix from Corey Minyard:
"Fix a message spew on some system
The call to platform_get_irq() was changed to print a log if the
interrupt was not available, and that was causing bogus messages to
spew out for the IPMI driver. People have requested that this get in
to 5.6 so I'm sending it along"
* tag 'for-linus-5.6-2' of git://github.com/cminyard/linux-ipmi:
ipmi_si: Avoid spurious errors for optional IRQs
|
|
Function soc_tplg_dbytes_create(), calls soc_tplg_init_kcontrol() to
perform additional driver specific initialization. While
soc_tplg_init_kcontrol() ensures that component is valid before invoking
ops->control_load, there is no such check at the end of
soc_tplg_dbytes_create() where list_add() is used.
Also in quite a few places, there is reference of tplg->comp->dapm or
tplg->comp->card, without any checks for tplg->comp.
In consequence of the above this may lead to referencing NULL pointer.
This allows for removal of now unnecessary checks.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20200312122239.14489-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"Fix a build problem with x86/curve25519"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: x86/curve25519 - support assemblers with no adx support
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