Just got one of these for debugging some unrelated issues, and noticed
that Lenovo seems to have gone back to using RMI4 over smbus with
Synaptics touchpads on some of their new systems, particularly this one.
So, let's enable RMI mode for the X1 Extreme 2nd Generation.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20191115221814.31903-1-lyude@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'for-linus-20191115' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few fixes that should make it into this release. This contains:
- io_uring:
- The timeout command assumes sequence == 0 means that we want
one completion, but this kind of overloading is unfortunate as
it prevents users from doing a pure time based wait. Since
this operation was introduced in this cycle, let's correct it
now, while we can. (me)
- One-liner to fix an issue with dependent links and fixed
buffer reads. The actual IO completed fine, but the link got
severed since we stored the wrong expected value. (me)
- Add TIMEOUT to list of opcodes that don't need a file. (Pavel)
- rsxx missing workqueue destry calls. Old bug. (Chuhong)
- Fix blk-iocost active list check (Jiufei)
- Fix impossible-to-hit overflow merge condition, that still hit some
folks very rarely (Junichi)
- Fix bfq hang issue from 5.3. This didn't get marked for stable, but
will go into stable post this merge (Paolo)"
* tag 'for-linus-20191115' of git://git.kernel.dk/linux-block:
rsxx: add missed destroy_workqueue calls in remove
iocost: check active_list of all the ancestors in iocg_activate()
block, bfq: deschedule empty bfq_queues not referred by any process
io_uring: ensure registered buffer import returns the IO length
io_uring: Fix getting file for timeout
block: check bi_size overflow before merge
io_uring: make timeout sequence == 0 mean no sequence
We can't use "adap->dev" after it has been freed.
Fixes: 5bf4fa7dae ("i2c: break out OF support into separate file")
Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Many cheap devices use Silead touchscreen controllers. Testing has shown
repeatedly that these touchscreen controllers work fine at 400KHz, but for
unknown reasons do not work properly at 100KHz. This has been seen on
both ARM and x86 devices using totally different i2c controllers.
On some devices the ACPI tables list another device at the same I2C-bus
as only being capable of 100KHz, testing has shown that these other
devices work fine at 400KHz (as can be expected of any recent I2C hw).
This commit makes i2c_acpi_find_bus_speed() always return 400KHz if a
Silead touchscreen controller is present, fixing the touchscreen not
working on devices which ACPI tables' wrongly list another device on the
same bus as only being capable of 100KHz.
Specifically this fixes the touchscreen on the Jumper EZpad 6 m4 not
working.
Reported-by: youling 257 <youling257@gmail.com>
Tested-by: youling 257 <youling257@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
[wsa: rewording warning a little]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
Richard Cochran says:
====================
ptp: Validate the ancillary ioctl flags more carefully.
The flags passed to the ioctls for periodic output signals and
time stamping of external signals were never checked, and thus formed
a useless ABI inadvertently. More recently, a version 2 of the ioctls
was introduced in order make the flags meaningful. This series
tightens up the checks on the new ioctl flags.
- Patch 1 ensures at least one edge flag is set for the new ioctl.
- Patches 2-7 are Jacob's recent checks, picking up the tags.
- Patch 8 introduces a "strict" flag for passing to the drivers when the
new ioctl is used.
- Patches 9-12 implement the "strict" checking in the drivers.
- Patch 13 extends the test program to exercise combinations of flags.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Because each driver and hardware has different capabilities, the test
cannot provide a simple pass/fail result, but it can at least show what
combinations of flags are supported.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This driver enables rising edge or falling edge, but not both, and so
this patch validates that the request contains only one of the two
edges.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This hardware always time stamps rising and falling edges, and so this
patch validates that the request does contains both edges.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This driver enables rising edge or falling edge, but not both, and so
this patch validates that the request contains only one of the two
edges.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This driver enables rising edge or falling edge, but not both, and so
this patch validates that the request contains only one of the two
edges.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
User space may request time stamps on rising edges, falling edges, or
both. However, the particular mode may or may not be supported in the
hardware or in the driver. This patch adds a "strict" flag that tells
drivers to ensure that the requested mode will be honored.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the renesas PTP support to explicitly reject any future flags that
get added to the external timestamp request ioctl.
In order to maintain currently functioning code, this patch accepts all
three current flags. This is because the PTP_RISING_EDGE and
PTP_FALLING_EDGE flags have unclear semantics and each driver seems to
have interpreted them slightly differently.
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the mlx5 core PTP support to explicitly reject any future flags that
get added to the external timestamp request ioctl.
In order to maintain currently functioning code, this patch accepts all
three current flags. This is because the PTP_RISING_EDGE and
PTP_FALLING_EDGE flags have unclear semantics and each driver seems to
have interpreted them slightly differently.
[ RC: I'm not 100% sure what this driver does, but if I'm not wrong it
follows the dp83640:
flags Meaning
---------------------------------------------------- --------------------------
PTP_ENABLE_FEATURE Time stamp rising edge
PTP_ENABLE_FEATURE|PTP_RISING_EDGE Time stamp rising edge
PTP_ENABLE_FEATURE|PTP_FALLING_EDGE Time stamp falling edge
PTP_ENABLE_FEATURE|PTP_RISING_EDGE|PTP_FALLING_EDGE Time stamp falling edge
]
Cc: Feras Daoud <ferasda@mellanox.com>
Cc: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the igb PTP support to explicitly reject any future flags that
get added to the external timestamp request ioctl.
In order to maintain currently functioning code, this patch accepts all
three current flags. This is because the PTP_RISING_EDGE and
PTP_FALLING_EDGE flags have unclear semantics and each driver seems to
have interpreted them slightly differently.
This HW always time stamps both edges:
flags Meaning
---------------------------------------------------- --------------------------
PTP_ENABLE_FEATURE Time stamp both edges
PTP_ENABLE_FEATURE|PTP_RISING_EDGE Time stamp both edges
PTP_ENABLE_FEATURE|PTP_FALLING_EDGE Time stamp both edges
PTP_ENABLE_FEATURE|PTP_RISING_EDGE|PTP_FALLING_EDGE Time stamp both edges
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the dp83640 PTP support to explicitly reject any future flags that
get added to the external timestamp request ioctl.
In order to maintain currently functioning code, this patch accepts all
three current flags. This is because the PTP_RISING_EDGE and
PTP_FALLING_EDGE flags have unclear semantics and each driver seems to
have interpreted them slightly differently.
For the record, the semantics of this driver are:
flags Meaning
---------------------------------------------------- --------------------------
PTP_ENABLE_FEATURE Time stamp rising edge
PTP_ENABLE_FEATURE|PTP_RISING_EDGE Time stamp rising edge
PTP_ENABLE_FEATURE|PTP_FALLING_EDGE Time stamp falling edge
PTP_ENABLE_FEATURE|PTP_RISING_EDGE|PTP_FALLING_EDGE Time stamp falling edge
Cc: Stefan Sørensen <stefan.sorensen@spectralink.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the mv88e6xxx PTP support to explicitly reject any future flags that
get added to the external timestamp request ioctl.
In order to maintain currently functioning code, this patch accepts all
three current flags. This is because the PTP_RISING_EDGE and
PTP_FALLING_EDGE flags have unclear semantics and each driver seems to
have interpreted them slightly differently.
For the record, the semantics of this driver are:
flags Meaning
---------------------------------------------------- --------------------------
PTP_ENABLE_FEATURE Time stamp falling edge
PTP_ENABLE_FEATURE|PTP_RISING_EDGE Time stamp rising edge
PTP_ENABLE_FEATURE|PTP_FALLING_EDGE Time stamp falling edge
PTP_ENABLE_FEATURE|PTP_RISING_EDGE|PTP_FALLING_EDGE Time stamp rising edge
Cc: Brandon Streiff <brandon.streiff@ni.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 823eb2a3c4 ("PTP: add support for one-shot output") introduced
a new flag for the PTP periodic output request ioctl. This flag is not
currently supported by any driver.
Fix all drivers which implement the periodic output request ioctl to
explicitly reject any request with flags they do not understand. This
ensures that the driver does not accidentally misinterpret the
PTP_PEROUT_ONE_SHOT flag, or any new flag introduced in the future.
This is important for forward compatibility: if a new flag is
introduced, the driver should reject requests to enable the flag until
the driver has actually been modified to support the flag in question.
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Christopher Hall <christopher.s.hall@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 415606588c ("PTP: introduce new versions of IOCTLs")
introduced a new external time stamp ioctl that validates the flags.
This patch extends the validation to ensure that at least one rising
or falling edge flag is set when enabling external time stamps.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver calls release_resource in remove to match request_mem_region
in probe, which is incorrect.
Fix it by using the right one, release_mem_region.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If a malicious device gives a short MAC it can elicit up to
5 bytes of leaked memory out of the driver. We need to check for
ETH_ALEN instead.
Reported-by: syzbot+a8d4acdad35e6bbca308@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
mlxsw does not support VXLAN devices with a physical device attached and
vetoes such configurations upon enslavement to an offloaded bridge.
Commit 0ce1822c2a ("vxlan: add adjacent link to limit depth level")
changed the VXLAN device to be an upper of the physical device which
causes mlxsw to veto the creation of the VXLAN device with "Unknown
upper device type".
This is OK as this configuration is not supported, but it prevents us
from testing bad flows involving the enslavement of VXLAN devices with a
physical device to a bridge, regardless if the physical device is an
mlxsw netdev or not.
Adjust the test to use a dummy device as a physical device instead of a
mlxsw netdev.
Fixes: 0ce1822c2a ("vxlan: add adjacent link to limit depth level")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver forgets to destroy workqueue in remove() similarly to what is
done when probe() fails. Add a call to destroy_workqueue() to fix it.
Since unregistration will wait for the work to finish, we do not need to
cancel/flush the work instance in remove().
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191114023405.31477-1-hslester96@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
patch that went into -rc1 and a fixup for a bogus warning on older
gcc versions.
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Merge tag 'ceph-for-5.4-rc8' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Two fixes for the buffered reads and O_DIRECT writes serialization
patch that went into -rc1 and a fixup for a bogus warning on older gcc
versions"
* tag 'ceph-for-5.4-rc8' of git://github.com/ceph/ceph-client:
rbd: silence bogus uninitialized warning in rbd_object_map_update_finish()
ceph: increment/decrement dio counter on async requests
ceph: take the inode lock before acquiring cap refs
When a lookup is done, the afs filesystem will perform a bulk status-fetch
operation on the requested vnode (file) plus the next 49 other vnodes from
the directory list (in AFS, directory contents are downloaded as blobs and
parsed locally). When the results are received, it will speculatively
populate the inode cache from the extra data.
However, if the lookup races with another lookup on the same directory, but
for a different file - one that's in the 49 extra fetches, then if the bulk
status-fetch operation finishes first, it will try and update the inode
from the other lookup.
If this other inode is still in the throes of being created, however, this
will cause an assertion failure in afs_apply_status():
BUG_ON(test_bit(AFS_VNODE_UNSET, &vnode->flags));
on or about fs/afs/inode.c:175 because it expects data to be there already
that it can compare to.
Fix this by skipping the update if the inode is being created as the
creator will presumably set up the inode with the same information.
Fixes: 39db9815da ("afs: Fix application of the results of a inline bulk status fetch")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Handle CC variables containing quotes in tools-support-relr.sh script
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
"One trivial fix for -rc8/final that ensures that the script used to
detect RELR relocation support in the toolchain works correctly when
$CC contains quotes. Although it fails safely (by failing to detect
the support when it exists), it would be nice to have this fixed in
5.4 given that it was only introduced in the last merge window.
Summary:
- Handle CC variables containing quotes in tools-support-relr.sh
script"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
scripts/tools-support-relr.sh: un-quote variables
MAINTAINERS update for Broadcom MIPS systems.
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Merge tag 'mips_fixes_5.4_4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A fix and simplification for SGI IP27 exception handlers, and a small
MAINTAINERS update for Broadcom MIPS systems"
* tag 'mips_fixes_5.4_4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MAINTAINERS: Remove Kevin as maintainer of BMIPS generic platforms
MIPS: SGI-IP27: fix exception handler replication
* Two updates to the IFU erratum
* selftests build fix
* Brown paper bag fix
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more KVM fixes from Paolo Bonzini:
- fixes for CONFIG_KVM_COMPAT=n
- two updates to the IFU erratum
- selftests build fix
- brown paper bag fix
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Add a comment describing the /dev/kvm no_compat handling
KVM: x86/mmu: Take slots_lock when using kvm_mmu_zap_all_fast()
KVM: Forbid /dev/kvm being opened by a compat task when CONFIG_KVM_COMPAT=n
KVM: X86: Reset the three MSR list number variables to 0 in kvm_init_msr_list()
selftests: kvm: fix build with glibc >= 2.30
kvm: x86: disable shattered huge page recovery for PREEMPT_RT.
A few small last-minute fixes for USB-audio and HD-audio as well
as for PCM core:
- A race fix for PCM core between stopping and closing a stream
- USB-audio regressions in the recent descriptor validation code
and relevant changes
- A read of uninitialized value in USB-audio spotted by fuzzer
- A fix for USB-audio race at stopping a stream
- Intel HD-audio platform fixes
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Merge tag 'sound-5.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A few small last-minute fixes for USB-audio and HD-audio as well as
for PCM core:
- A race fix for PCM core between stopping and closing a stream
- USB-audio regressions in the recent descriptor validation code and
relevant changes
- A read of uninitialized value in USB-audio spotted by fuzzer
- A fix for USB-audio race at stopping a stream
- Intel HD-audio platform fixes"
* tag 'sound-5.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Fix incorrect size check for processing/extension units
ALSA: usb-audio: Fix incorrect NULL check in create_yamaha_midi_quirk()
ALSA: pcm: Fix stream lock usage in snd_pcm_period_elapsed()
ALSA: usb-audio: not submit urb for stopped endpoint
ALSA: hda: hdmi - fix pin setup on Tigerlake
ALSA: hda: Add Cometlake-S PCI ID
ALSA: usb-audio: Fix missing error check at mixer resolution test
i915:
- MOCS table fixes for EHL and TGL
- Update Display's rawclock on resume
- GVT's dmabuf reference drop fix
amdgpu:
- Fix a potential crash in firmware parsing
sun4i:
- One fix to the dotclock dividers range for sun4i
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Merge tag 'drm-fixes-2019-11-15' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Here is this weeks non-intel hw vuln fixes pull. Three drivers, all
small fixes.
i915:
- MOCS table fixes for EHL and TGL
- Update Display's rawclock on resume
- GVT's dmabuf reference drop fix
amdgpu:
- Fix a potential crash in firmware parsing
sun4i:
- One fix to the dotclock dividers range for sun4i"
* tag 'drm-fixes-2019-11-15' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: fix null pointer deref in firmware header printing
drm/i915/tgl: MOCS table update
Revert "drm/i915/ehl: Update MOCS table for EHL"
drm/sun4i: tcon: Set min division of TCON0_DCLK to 1.
drm/i915: update rawclk also on resume
drm/i915/gvt: fix dropping obj reference twice
Pull misc vfs fixes from Al Viro:
"Assorted fixes all over the place; some of that is -stable fodder,
some regressions from the last window"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ecryptfs_lookup_interpose(): lower_dentry->d_parent is not stable either
ecryptfs_lookup_interpose(): lower_dentry->d_inode is not stable
ecryptfs: fix unlink and rmdir in face of underlying fs modifications
audit_get_nd(): don't unlock parent too early
exportfs_decode_fh(): negative pinned may become positive without the parent locked
cgroup: don't put ERR_PTR() into fc->root
autofs: fix a leak in autofs_expire_indirect()
aio: Fix io_pgetevents() struct __compat_aio_sigset layout
fs/namespace.c: fix use-after-free of mount in mnt_warn_timestamp_expiry()
uclamp_update_active() should perform the update when
p->uclamp[clamp_id].active is true. But when the logic was inverted in
[1], the if condition wasn't inverted correctly too.
[1] https://lore.kernel.org/lkml/20190902073836.GO2369@hirez.programming.kicks-ass.net/
Reported-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Ben Segall <bsegall@google.com>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Patrick Bellasi <patrick.bellasi@matbug.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: babbe170e0 ("sched/uclamp: Update CPU's refcount on TG's clamp changes")
Link: https://lkml.kernel.org/r/20191114211052.15116-1-qais.yousef@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Add a comment explaining the rational behind having both
no_compat open and ioctl callbacks to fend off compat tasks.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Huazhong Tan says:
====================
net: hns3: fixes for -net
This series includes misc fixes for the HNS3 ethernet driver.
[patch 1/3] adds a compatible handling for configuration of
MAC VLAN swithch parameter.
[patch 2/3] re-allocates SSU buffer when pfc_en changed.
[patch 3/3] fixes a bug for ETS bandwidth validation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Some device only support 4 TCs, but the driver check the total
bandwidth of 8 TCs, so may cause wrong configurations write to
the hw.
This patch uses hdev->tc_max to instead HNAE3_MAX_TC to fix it.
Fixes: e432abfb99 ("net: hns3: add common validation in hclge_dcb")
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>
When a TC's PFC is disabled or enabled, the RX private buffer for
this TC need to be changed too, otherwise this may cause packet
dropped problem.
This patch fixes it by calling hclge_buffer_alloc to reallocate
buffer when pfc_en changes.
Fixes: cacde272dd ("net: hns3: Add hclge_dcb module for the support of DCB feature")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Previously, hns3 driver just directly send specific setting bit
and mask bits of MAC VLAN switch parameter to the firmware, it
can not be compatible with the old firmware, because the old one
ignores mask bits and covers all bits with new setting bits.
So when running with old firmware, the communication between PF
and VF will fail after resetting or configuring spoof check, since
they will do the MAC VLAN switch parameter configuration.
This patch fixes this problem by reading switch parameter firstly,
then just modifies the corresponding bit and sends it to firmware.
Fixes: dd2956eab1 ("net: hns3: not allow SSU loopback while execute ethtool -t dev")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pre-allocates buffers sufficient for the maximum supported MTU (2026) in
order to eliminate the possibility of resource exhaustion when changing the
MTU while the device is up.
Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The tipc prefix for log messages generated by tipc was
removed in commit 07f6c4bc04 ("tipc: convert tipc reference
table to use generic rhashtable").
This is still a useful prefix so add it back.
Signed-off-by: Matt Bennett <matt.bennett@alliedtelesis.co.nz>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'drm-misc-fixes-2019-11-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
- One fix to the dotclock dividers range for sun4i
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191113142645.GA967172@gilmour.lan
The driver misses calling destroy_workqueue in remove like what is done
when probe fails.
Add the missed calls to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
There is a bug that checking the same active_list over and over again
in iocg_activate(). The intention of the code was checking whether all
the ancestors and self have already been activated. So fix it.
Fixes: 7caa47151a ("blkcg: implement blk-iocost")
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jiufei Xue <jiufei.xue@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Some versions of gcc (so far 6.3 and 7.4) throw a warning:
drivers/block/rbd.c: In function 'rbd_object_map_callback':
drivers/block/rbd.c:2124:21: warning: 'current_state' may be used uninitialized in this function [-Wmaybe-uninitialized]
(current_state == OBJECT_EXISTS && state == OBJECT_EXISTS_CLEAN))
drivers/block/rbd.c:2092:23: note: 'current_state' was declared here
u8 state, new_state, current_state;
^~~~~~~~~~~~~
It's bogus because all current_state accesses are guarded by
has_current_state.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
Ceph can in some cases issue an async DIO request, in which case we can
end up calling ceph_end_io_direct before the I/O is actually complete.
That may allow buffered operations to proceed while DIO requests are
still in flight.
Fix this by incrementing the i_dio_count when issuing an async DIO
request, and decrement it when tearing down the aio_req.
Fixes: 321fe13c93 ("ceph: add buffered/direct exclusionary locking for reads and writes")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Most of the time, we (or the vfs layer) takes the inode_lock and then
acquires caps, but ceph_read_iter does the opposite, and that can lead
to a deadlock.
When there are multiple clients treading over the same data, we can end
up in a situation where a reader takes caps and then tries to acquire
the inode_lock. Another task holds the inode_lock and issues a request
to the MDS which needs to revoke the caps, but that can't happen until
the inode_lock is unwedged.
Fix this by having ceph_read_iter take the inode_lock earlier, before
attempting to acquire caps.
Fixes: 321fe13c93 ("ceph: add buffered/direct exclusionary locking for reads and writes")
Link: https://tracker.ceph.com/issues/36348
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
The recently introduced unit descriptor validation had some bug for
processing and extension units, it counts a bControlSize byte twice so
it expected a bigger size than it should have been. This seems
resulting in a probe error on a few devices.
Fix the calculation for proper checks of PU and EU.
Fixes: 57f8770620 ("ALSA: usb-audio: More validations of descriptor units")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191114165613.7422-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Lyude Paul