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Since there's no special support for the bridge events, the driver
returns -EOPNOTSUPP, and thus the commit never happens. Therefore
schedule respin during the prepare stage: there's no real difference one
way or another.
This fixes the problem that mirror-to-gretap offload wouldn't adapt to
changes in bridge vlan configuration right away and another notification
would have to arrive for mlxsw to catch up.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A follow-up patch enables emitting VLAN notifications for the bridge CPU
port in addition to the existing slave port notifications. These
notifications have orig_dev set to the bridge in question.
Because there's no specific support for these VLANs, just ignore the
notifications to maintain the current behavior.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A follow-up patch enables emitting VLAN notifications for the bridge CPU
port in addition to the existing slave port notifications. These
notifications have orig_dev set to the bridge in question.
Because there's no specific support for these VLANs, just ignore the
notifications to maintain the current behavior.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A follow-up patch enables emitting VLAN notifications for the bridge CPU
port in addition to the existing slave port notifications. These
notifications have orig_dev set to the bridge in question.
Because there's no specific support for these VLANs, just ignore the
notifications to maintain the current behavior.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes issues where color management properties don't persist
over DPMS on/off, or when the CRTC is moved across connectors.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When the underscan state was changed, atomic-check was triggering a
validation but passing the old underscan values. This change adds a
somewhat hacky check in dm_update_crtcs_state that will update the
stream if old and newunderscan values are different.
This was causing 4k on Fiji to allow underscan when it wasn't permitted.
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: David Francis <David.Francis@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch adds driver changes for capturing the link change count in
ethtool statistics display.
Please consider applying this to "net-next".
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trivial fix to spelling mistake in DP_ERR error message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5e-updates-2018-05-29
This series includes mlx5 FPGA and mlx5e netdevice updates:
1) Print FPGA info such as device name, vendor id, etc.., from Ilan Tayari.
2) Abort FPGA if some essential capabilities are not supported, from Yevgeny Kliteynik.
3) Two FPGA dma related minor fixes, from Ilya Lesokhin.
4) Use the right table to report offloaded TC rules, from Or Gerlitz.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/will/linux
- perf/arm-cci: allow building as module
- perf/arm-ccn: demote dev_warn() to dev_dbg() in event_init()
- miscellaneous perf/arm cleanups
* 'for-next/perf' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
ARM: mcpm, perf/arm-cci: export mcpm_is_available
drivers/bus: arm-cci: fix build warnings
drivers/perf: Remove ARM_SPE_PMU explicit PERF_EVENTS dependency
drivers/perf: arm-ccn: don't log to dmesg in event_init
perf/arm-cci: Allow building as a module
perf/arm-cci: Remove pointless PMU disabling
perf/arm-cc*: Fix MODULE_LICENSE() tags
arm_pmu: simplify arm_pmu::handle_irq
perf/arm-cci: Remove unnecessary period adjustment
perf: simplify getting .drvdata
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The iSER driver reduces max_sectors. For example, if you load the
ib_iser module with max_sectors=1024, you will see that
/sys/class/block/<bdev>/queue/max_hw_sectors_kb is 508. It is an
incorrect value. The expected value is (max_sectors * sector_size) /
1024 = 512.
Reducing of max_sectors can cause performance degradation due to
unnecessary splitting of IO requests.
The number of pages per MR has been fixed here, so there is no longer
any need to reduce max_sectors.
Fixes: 9c674815d346 ("IB/iser: Fix max_sectors calculation")
Signed-off-by: Sergey Gorenko <sergeygo@mellanox.com>
Reviewed-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagi@grimberg.me>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This patch is created to solve the CamelCase issue. The members 'IEs'
and 'IELength' of struct wlan_bssid_ex are being modified to 'ie' and
'ie_length' to solve the issue. And the places where these variables
are referenced inside rtl8188eu driver are also changed.
Signed-off-by: Janani Sankara Babu <jananis37@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Something in recent linux-next kernels caused linux/highmem.h to
no longer be included implicitly from o2iblnd_cb.c, causing a build
failure:
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c: In function 'kiblnd_kvaddr_to_page':
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:549:15: error: 'PKMAP_BASE' undeclared (first use in this function); did you mean 'RTM_BASE'?
if (vaddr >= PKMAP_BASE &&
^~~~~~~~~~
RTM_BASE
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:549:15: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:550:28: error: 'LAST_PKMAP' undeclared (first use in this function); did you mean 'AT_HWCAP'?
vaddr < (PKMAP_BASE + LAST_PKMAP * PAGE_SIZE)) {
^~~~~~~~~~
AT_HWCAP
This adds back an explicit include for the header.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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line
SPDX License Identifier is added in form of a comment.
Signed-off-by: Bhanusree Pola <bhanusreemahesh@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the checkpatch.pl warning:
WARNING: line over 80 characters
Signed-off-by: Sankalp Negi <sankalpnegi2310@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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single_open() returns -ENOMEM when malloc failed, so the caller function
rtl_debugfs_open_rw() should not always return 0. In addition, when using
single_open(), we should use single_release() instead of seq_release() in
the file_operations structure to avoid a memory leak.
Signed-off-by: Tiezhu Yang <kernelpatch@126.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A number of extern struct declarations in p80211types.h were causing
checkpatch warnings: "extern prototypes should be avoided in .h files"
and "function definition argument 'xxxxxx' should also have an
identifier name".
This appears to be a result of using a macro to form the declarations
and checkpatch consequently misinterpreting the declarations as
function prototypes.
On checking, the declarations have no corresponding definition in the
driver and are not used, so they are removed along with the macro used
to construct them, which is not needed elsewhere. After this change,
checkpatch reports that p80211types.h has no obvious issues.
Signed-off-by: Tim Collier <osdevtc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The refill operation of the xattr cache does not know the
reply size in advance, so it makes a guess based on
the maxeasize value returned by the MDS.
In practice, it allocates 16 KiB for the common case and
4 MiB for the large xattr case. However, a typical reply
is just a few hundred bytes.
If we follow the conservative approach, we can prepare a
single memory page for the reply. It is large enough for
any reasonable xattr set and, at the same time, it does
not require multiple page memory reclaim, which can be
costly.
If, for a specific file, the reply is larger than a single
page, the client is prepared to handle that and will fall back
to non-cached xattr code. Indeed, if this happens often and
xattrs are often used to store large values, it makes sense to
disable the xattr cache at all since it wasn't designed for
such [mis]use.
Signed-off-by: Andrew Perepechko <c17827@cray.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-9417
Reviewed-on: https://review.whamcloud.com/26887
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: Ben Evans <bevans@cray.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Originally, the limitation of ACL entries is 32, that is not
enough for some use cases. In fact, restricting ACL entries
count is mainly for preparing the RPC reply buffer to receive
the ACL data. So we cannot make the ACL entries count to be
unlimited. But we can enlarge the RPC reply buffer to hold
more ACL entries. On the other hand, MDT backend filesystem
has its own EA size limitation. For example, for ldiskfs case,
if large EA enable, then the max ACL size is 1048492 bytes;
otherwise, it is 4012 bytes. For ZFS backend, such value is
32768 bytes. With such hard limitation, we can calculate how
many ACL entries we can have at most. This patch increases
the RPC reply buffer to match such hard limitation. For old
client, to avoid buffer overflow because of large ACL data
(more than 32 ACL entries), the MDT will forbid the old client
to access the file with large ACL data. As for how to know
whether it is old client or new, a new connection flag
OBD_CONNECT_LARGE_ACL is used for that.
Signed-off-by: Fan Yong <fan.yong@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7473
Reviewed-on: https://review.whamcloud.com/19790
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Li Xi <lixi@ddn.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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md_getxattr() and md_setxattr() each have several unused
parameters. Remove them and improve the naming or remaining
parameters.
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10792
Reviewed-on: https://review.whamcloud.com/
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Linux kernel v3.14 adds set_acl method to inode operations.
This patch adds support to Lustre for proper acl management.
Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-9183
Reviewed-on: https://review.whamcloud.com/25965
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10541
Reviewed-on: https://review.whamcloud.com/31588
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10926
Reviewed-on: https://review.whamcloud.com/32045
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move ll_get_acl() to its own file acl.c just like all the other
linux file systems do.
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6142
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Stop including the event type in the definitions for the notice type.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
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Fix to return error code -ENOMEM from the memory alloc fail error
handling case instead of 0, as done elsewhere in this function.
Fixes: d5eff33ee6f8 ("nvmet: add simple file backed ns support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.e>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Fix a typo in nvmet_file_ns_enable().
Fixes: d5eff33ee6f8 ("nvmet: add simple file backed ns support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.e>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Without this we can't cleanly shut down.
Based on analysis an an earlier patch from Hannes Reinecke.
Fixes: bb06ec31452f ("nvme: expand nvmf_check_if_ready checks")
Reported-by: Hannes Reinecke <hare@suse.de>
Tested-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: James Smart <james.smart@broadcom.com>
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Signed-off-by: Doug Ledford <dledford@redhat.com>
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The function return values are confusing with the way the function is
named. We expect a true or false return value but it actually returns
0/-errno. This makes the code very confusing. Changing the return values
to return a bool where if DAX is supported then return true and no DAX
support returns false.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Change bdev_dax_supported so it takes a bdev parameter. This enables
multi-device filesystems like xfs to check that a dax device can work for
the particular filesystem. Once that's in place, actually fix all the
parts of XFS where we need to be able to distinguish between datadev and
rtdev.
This patch fixes the problem where we screw up the dax support checking
in xfs if the datadev and rtdev have different dax capabilities.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
[rez: Re-added __bdev_dax_supported() for !CONFIG_FS_DAX cases]
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
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Commit 184add2ca23c ("libata: Apply NOLPM quirk for SanDisk
SD7UB3Q*G1001 SSDs") disabled LPM for SanDisk SD7UB3Q*G1001 SSDs.
This has lead to several reports of users of that SSD where LPM
was working fine and who know have a significantly increased idle
power consumption on their laptops.
Likely there is another problem on the T450s from the original
reporter which gets exposed by the uncore reaching deeper sleep
states (higher PC-states) due to LPM being enabled. The problem as
reported, a hardfreeze about once a day, already did not sound like
it would be caused by LPM and the reports of the SSD working fine
confirm this. The original reporter is ok with dropping the quirk.
A X250 user has reported the same hard freeze problem and for him
the problem went away after unrelated updates, I suspect some GPU
driver stack changes fixed things.
TL;DR: The original reporters problem were triggered by LPM but not
an LPM issue, so drop the quirk for the SSD in question.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1583207
Cc: stable@vger.kernel.org
Cc: Richard W.M. Jones <rjones@redhat.com>
Cc: Lorenzo Dalrio <lorenzo.dalrio@gmail.com>
Reported-by: Lorenzo Dalrio <lorenzo.dalrio@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: "Richard W.M. Jones" <rjones@redhat.com>
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This is the per-I/O equivalent of the ioprio_set system call.
When IOCB_FLAG_IOPRIO is set on the iocb aio_flags field, then we set the
newly added kiocb ki_ioprio field to the value in the iocb aio_reqprio field.
This patch depends on block: add ioprio_check_cap function.
Signed-off-by: Adam Manzanares <adam.manzanares@wdc.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fix from Andy Shevchenko:
"Fix NULL pointer dereference in asus-wmi on rfkill cleanup.
The effective change is just one new condition - two lines of code.
But it required moving one static helper function, which is why the
diff looks a bit bigger"
* tag 'platform-drivers-x86-v4.17-4' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: asus-wmi: Fix NULL pointer dereference
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u64 should be printed with %llx instead of %x and cast to uint.
Signed-off-by: João Paulo Rechi Vita <jprvita@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Clean up the fsusb302 driver to not care if the root directory was
created, as the code should work properly either way.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no obvious reasons to why mvsdio shouldn't be able to support
erase/trim/discard operations, hence let's set MMC_CAP_ERASE for it.
Cc: Damien Thebault <damien.thebault@vitec.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Damien Thebault <damien.thebault@vitec.com>
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Instead of using a hardcoded timeout of 5 * HZ jiffies, let's respect the
command busy timeout provided by the mmc core. This make the used timeout
more reliable.
Cc: Damien Thebault <damien.thebault@vitec.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Damien Thebault <damien.thebault@vitec.com>
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Do not perform the rfkill cleanup routine when
(asus->driver->wlan_ctrl_by_user && ashs_present()) is true, since
nothing is registered with the rfkill subsystem in that case. Doing so
leads to the following kernel NULL pointer dereference:
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
PGD 1a3aa8067
PUD 1a3b3d067
PMD 0
Oops: 0002 [#1] PREEMPT SMP
Modules linked in: bnep ccm binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core hid_a4tech videodev x86_pkg_temp_thermal intel_powerclamp coretemp ath3k btusb btrtl btintel bluetooth kvm_intel snd_hda_codec_hdmi kvm snd_hda_codec_realtek snd_hda_codec_generic irqbypass crc32c_intel arc4 i915 snd_hda_intel snd_hda_codec ath9k ath9k_common ath9k_hw ath i2c_algo_bit snd_hwdep mac80211 ghash_clmulni_intel snd_hda_core snd_pcm snd_timer cfg80211 ehci_pci xhci_pci drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm xhci_hcd ehci_hcd asus_nb_wmi(-) asus_wmi sparse_keymap r8169 rfkill mxm_wmi serio_raw snd mii mei_me lpc_ich i2c_i801 video soundcore mei i2c_smbus wmi i2c_core mfd_core
CPU: 3 PID: 3275 Comm: modprobe Not tainted 4.9.34-gentoo #34
Hardware name: ASUSTeK COMPUTER INC. K56CM/K56CM, BIOS K56CM.206 08/21/2012
task: ffff8801a639ba00 task.stack: ffffc900014cc000
RIP: 0010:[<ffffffff816c7348>] [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
RSP: 0018:ffffc900014cfce0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8801a54315b0 RCX: 00000000c0000100
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8801a54315b4
RBP: ffffc900014cfd30 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801a54315b4
R13: ffff8801a639ba00 R14: 00000000ffffffff R15: ffff8801a54315b8
FS: 00007faa254fb700(0000) GS:ffff8801aef80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001a3b1b000 CR4: 00000000001406e0
Stack:
ffff8801a54315b8 0000000000000000 ffffffff814733ae ffffc900014cfd28
ffffffff8146a28c ffff8801a54315b0 0000000000000000 ffff8801a54315b0
ffff8801a66f3820 0000000000000000 ffffc900014cfd48 ffffffff816c73e7
Call Trace:
[<ffffffff814733ae>] ? acpi_ut_release_mutex+0x5d/0x61
[<ffffffff8146a28c>] ? acpi_ns_get_node+0x49/0x52
[<ffffffff816c73e7>] mutex_lock+0x17/0x30
[<ffffffffa00a3bb4>] asus_rfkill_hotplug+0x24/0x1a0 [asus_wmi]
[<ffffffffa00a4421>] asus_wmi_rfkill_exit+0x61/0x150 [asus_wmi]
[<ffffffffa00a49f1>] asus_wmi_remove+0x61/0xb0 [asus_wmi]
[<ffffffff814a5128>] platform_drv_remove+0x28/0x40
[<ffffffff814a2901>] __device_release_driver+0xa1/0x160
[<ffffffff814a29e3>] device_release_driver+0x23/0x30
[<ffffffff814a1ffd>] bus_remove_device+0xfd/0x170
[<ffffffff8149e5a9>] device_del+0x139/0x270
[<ffffffff814a5028>] platform_device_del+0x28/0x90
[<ffffffff814a50a2>] platform_device_unregister+0x12/0x30
[<ffffffffa00a4209>] asus_wmi_unregister_driver+0x19/0x30 [asus_wmi]
[<ffffffffa00da0ea>] asus_nb_wmi_exit+0x10/0xf26 [asus_nb_wmi]
[<ffffffff8110c692>] SyS_delete_module+0x192/0x270
[<ffffffff810022b2>] ? exit_to_usermode_loop+0x92/0xa0
[<ffffffff816ca560>] entry_SYSCALL_64_fastpath+0x13/0x94
Code: e8 5e 30 00 00 8b 03 83 f8 01 0f 84 93 00 00 00 48 8b 43 10 4c 8d 7b 08 48 89 63 10 41 be ff ff ff ff 4c 89 3c 24 48 89 44 24 08 <48> 89 20 4c 89 6c 24 10 eb 1d 4c 89 e7 49 c7 45 08 02 00 00 00
RIP [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
RSP <ffffc900014cfce0>
CR2: 0000000000000000
---[ end trace 8d484233fa7cb512 ]---
note: modprobe[3275] exited with preempt_count 2
https://bugzilla.kernel.org/show_bug.cgi?id=196467
Reported-by: red.f0xyz@gmail.com
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Do not perform the rfkill cleanup routine when
(asus->driver->wlan_ctrl_by_user && ashs_present()) is true, since
nothing is registered with the rfkill subsystem in that case. Doing so
leads to the following kernel NULL pointer dereference:
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
PGD 1a3aa8067
PUD 1a3b3d067
PMD 0
Oops: 0002 [#1] PREEMPT SMP
Modules linked in: bnep ccm binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core hid_a4tech videodev x86_pkg_temp_thermal intel_powerclamp coretemp ath3k btusb btrtl btintel bluetooth kvm_intel snd_hda_codec_hdmi kvm snd_hda_codec_realtek snd_hda_codec_generic irqbypass crc32c_intel arc4 i915 snd_hda_intel snd_hda_codec ath9k ath9k_common ath9k_hw ath i2c_algo_bit snd_hwdep mac80211 ghash_clmulni_intel snd_hda_core snd_pcm snd_timer cfg80211 ehci_pci xhci_pci drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm xhci_hcd ehci_hcd asus_nb_wmi(-) asus_wmi sparse_keymap r8169 rfkill mxm_wmi serio_raw snd mii mei_me lpc_ich i2c_i801 video soundcore mei i2c_smbus wmi i2c_core mfd_core
CPU: 3 PID: 3275 Comm: modprobe Not tainted 4.9.34-gentoo #34
Hardware name: ASUSTeK COMPUTER INC. K56CM/K56CM, BIOS K56CM.206 08/21/2012
task: ffff8801a639ba00 task.stack: ffffc900014cc000
RIP: 0010:[<ffffffff816c7348>] [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
RSP: 0018:ffffc900014cfce0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8801a54315b0 RCX: 00000000c0000100
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8801a54315b4
RBP: ffffc900014cfd30 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801a54315b4
R13: ffff8801a639ba00 R14: 00000000ffffffff R15: ffff8801a54315b8
FS: 00007faa254fb700(0000) GS:ffff8801aef80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001a3b1b000 CR4: 00000000001406e0
Stack:
ffff8801a54315b8 0000000000000000 ffffffff814733ae ffffc900014cfd28
ffffffff8146a28c ffff8801a54315b0 0000000000000000 ffff8801a54315b0
ffff8801a66f3820 0000000000000000 ffffc900014cfd48 ffffffff816c73e7
Call Trace:
[<ffffffff814733ae>] ? acpi_ut_release_mutex+0x5d/0x61
[<ffffffff8146a28c>] ? acpi_ns_get_node+0x49/0x52
[<ffffffff816c73e7>] mutex_lock+0x17/0x30
[<ffffffffa00a3bb4>] asus_rfkill_hotplug+0x24/0x1a0 [asus_wmi]
[<ffffffffa00a4421>] asus_wmi_rfkill_exit+0x61/0x150 [asus_wmi]
[<ffffffffa00a49f1>] asus_wmi_remove+0x61/0xb0 [asus_wmi]
[<ffffffff814a5128>] platform_drv_remove+0x28/0x40
[<ffffffff814a2901>] __device_release_driver+0xa1/0x160
[<ffffffff814a29e3>] device_release_driver+0x23/0x30
[<ffffffff814a1ffd>] bus_remove_device+0xfd/0x170
[<ffffffff8149e5a9>] device_del+0x139/0x270
[<ffffffff814a5028>] platform_device_del+0x28/0x90
[<ffffffff814a50a2>] platform_device_unregister+0x12/0x30
[<ffffffffa00a4209>] asus_wmi_unregister_driver+0x19/0x30 [asus_wmi]
[<ffffffffa00da0ea>] asus_nb_wmi_exit+0x10/0xf26 [asus_nb_wmi]
[<ffffffff8110c692>] SyS_delete_module+0x192/0x270
[<ffffffff810022b2>] ? exit_to_usermode_loop+0x92/0xa0
[<ffffffff816ca560>] entry_SYSCALL_64_fastpath+0x13/0x94
Code: e8 5e 30 00 00 8b 03 83 f8 01 0f 84 93 00 00 00 48 8b 43 10 4c 8d 7b 08 48 89 63 10 41 be ff ff ff ff 4c 89 3c 24 48 89 44 24 08 <48> 89 20 4c 89 6c 24 10 eb 1d 4c 89 e7 49 c7 45 08 02 00 00 00
RIP [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
RSP <ffffc900014cfce0>
CR2: 0000000000000000
---[ end trace 8d484233fa7cb512 ]---
note: modprobe[3275] exited with preempt_count 2
https://bugzilla.kernel.org/show_bug.cgi?id=196467
Reported-by: red.f0xyz@gmail.com
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
|
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Since we use i915_gem_find_active_request() from inside
intel_engine_dump() and may call that at any time, we do not guarantee
that the engine is paused nor that the signal kthreads and irq handler
are suspended, so we cannot assert that the breadcrumb doesn't advance
and that the irq hasn't happened on another CPU signaling the request we
believe to be idle.
The second assert removed (that request->engine == engine) remains
valid, but is now more rigorously checked during retirement.
Fixes: f636edb214a5 ("drm/i915: Make i915_engine_info pretty printer to standalone")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180529132922.6831-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
(cherry picked from commit cc7cc5343584d90e74b7c929ff2c9a2ec8b49cfe)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This reverts commit dc911f5bd8aacfcf8aabd5c26c88e04c837a938e.
Per the report, no matter what display mode you select with xrandr, the
i915 driver will always select the alternate fixed mode. For the
reporter this means that the display will always run at 40Hz which is
quite annoying. This may be due to the mode comparison.
But there are some other potential issues. The choice of alt_fixed_mode
seems dubious. It's the first non-preferred mode, but there are no
guarantees that the only difference would be refresh rate. Similarly,
there may be more than one preferred mode in the probed modes list, and
the commit changes the preferred mode selection to choose the last one
on the list instead of the first.
(Note that the probed modes list is the raw, unfiltered, unsorted list
of modes from drm_add_edid_modes(), not the pretty result after a
drm_helper_probe_single_connector_modes() call.)
Finally, we already have eerily similar code in place to find the
downclock mode for DRRS that seems like could be reused here.
Back to the drawing board.
Note: This is a hand-crafted revert due to conflicts. If it fails to
backport, please just try reverting the original commit directly.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105469
Reported-by: Rune Petersen <rune@megahurts.dk>
Reported-by: Mark Spencer <n7u4722r35@ynzlx.anonbox.net>
Fixes: dc911f5bd8aa ("drm/i915/edp: Allow alternate fixed mode for eDP if available.")
Cc: Clint Taylor <clinton.a.taylor@intel.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jim Bride <jim.bride@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v4.14+
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180516080110.22770-1-jani.nikula@intel.com
(cherry picked from commit d93fa1b47b8fcd149b5091f18385304f402a8e15)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Make sure that when we don't have any scheduler attributes for the
request, the string is terminated.
Fixes: 247870ac8ea7 ("drm/i915: Build request info on stack before printk")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180517152824.11619-1-chris@chris-wilson.co.uk
(cherry picked from commit 96d4f03c20d04c80026b1ec3643c090cf4f0eb20)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
There is also no need to keep the file dentries around at all, so remove
those variables from the device structure.
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Felipe Balbi <balbi@kernel.org>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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functions
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
There is also no need to keep the file dentries around at all, so remove
those variables from the device structure.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Jaejoong Kim <climbbb.kim@gmail.com>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
There is also no need to keep the file dentries around at all, so remove
those variables from the device structure.
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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functions
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
There is also no need to keep the file dentries around at all, so remove
those variables from the device structure.
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Felipe Balbi <balbi@kernel.org>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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|
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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|
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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|
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Johan Hovold <johan@kernel.org>
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
