Commit Graph

693104 Commits

Author SHA1 Message Date
Christoph Hellwig
c005390374 blk-mq-pci: add a fallback when pci_irq_get_affinity returns NULL
While pci_irq_get_affinity should never fail for SMP kernel that
implement the affinity mapping, it will always return NULL in the
UP case, so provide a fallback mapping of all queues to CPU 0 in
that case.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-08-18 08:08:14 -06:00
Jens Axboe
6caa0503c4 Merge branch 'nvme-4.13' of git://git.infradead.org/nvme into for-linus
Pull NVMe changes from Christoph:

"The fixes are getting really small now - two for FC, one for PCI, one
 for the fabrics layer and one for the target."
2017-08-18 08:04:15 -06:00
Thomas Gleixner
7edaeb6841 kernel/watchdog: Prevent false positives with turbo modes
The hardlockup detector on x86 uses a performance counter based on unhalted
CPU cycles and a periodic hrtimer. The hrtimer period is about 2/5 of the
performance counter period, so the hrtimer should fire 2-3 times before the
performance counter NMI fires. The NMI code checks whether the hrtimer
fired since the last invocation. If not, it assumess a hard lockup.

The calculation of those periods is based on the nominal CPU
frequency. Turbo modes increase the CPU clock frequency and therefore
shorten the period of the perf/NMI watchdog. With extreme Turbo-modes (3x
nominal frequency) the perf/NMI period is shorter than the hrtimer period
which leads to false positives.

A simple fix would be to shorten the hrtimer period, but that comes with
the side effect of more frequent hrtimer and softlockup thread wakeups,
which is not desired.

Implement a low pass filter, which checks the perf/NMI period against
kernel time. If the perf/NMI fires before 4/5 of the watchdog period has
elapsed then the event is ignored and postponed to the next perf/NMI.

That solves the problem and avoids the overhead of shorter hrtimer periods
and more frequent softlockup thread wakeups.

Fixes: 58687acba5 ("lockup_detector: Combine nmi_watchdog and softlockup detector")
Reported-and-tested-by: Kan Liang <Kan.liang@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: dzickus@redhat.com
Cc: prarit@redhat.com
Cc: ak@linux.intel.com
Cc: babu.moger@oracle.com
Cc: peterz@infradead.org
Cc: eranian@google.com
Cc: acme@redhat.com
Cc: stable@vger.kernel.org
Cc: atomlin@redhat.com
Cc: akpm@linux-foundation.org
Cc: torvalds@linux-foundation.org
Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1708150931310.1886@nanos
2017-08-18 12:35:02 +02:00
Marc Zyngier
e8f241893d genirq: Restore trigger settings in irq_modify_status()
irq_modify_status starts by clearing the trigger settings from
irq_data before applying the new settings, but doesn't restore them,
leaving them to IRQ_TYPE_NONE.

That's pretty confusing to the potential request_irq() that could
follow. Instead, snapshot the settings before clearing them, and restore
them if the irq_modify_status() invocation was not changing the trigger.

Fixes: 1e2a7d7849 ("irqdomain: Don't set type when mapping an IRQ")
Reported-and-tested-by: jeffy <jeffy.chen@rock-chips.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jon Hunter <jonathanh@nvidia.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20170818095345.12378-1-marc.zyngier@arm.com
2017-08-18 12:04:14 +02:00
Dave Gerlach
4dd6a9973b soc: ti: ti_sci_pm_domains: Populate name for genpd
Commit b6a1d093f9 ("PM / Domains: Extend generic power domain
debugfs") now creates a debugfs directory for each genpd based on the
name of the genpd. Currently no name is given to the genpd created by
ti_sci_pm_domains driver so because of this we see a NULL pointer
dereferences when it is accessed on boot when the debugfs entry creation
is attempted.

Give the genpd a name before registering it to avoid this.

Fixes: 52835d59fc ("soc: ti: Add ti_sci_pm_domains driver")
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-08-18 11:59:53 +02:00
Arnd Bergmann
93112486f4 i.MX fixes for 4.13, round 3:
- Fix PCIe reset GPIO of imx6qdl-nitrogen6_som2 board, which was
    a bad copy from nitrogen6_max device tree.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQEcBAABAgAGBQJZlkchAAoJEFBXWFqHsHzO6YoIAJDpTP6zSPX7kbPHD9v6CyoJ
 X1U2r+QH2IToj0tIUMuwTpvYMqaDndK3fej5j34lv/aer4GLgopYimcRjs6BW+iU
 4bodY+WuVx7iFmY7dX9Zp6rtPPbMOtabEDWZPTSgCdEieCXijJgs6bCf0j/+gUqe
 RFv0cJqhQRA1iB44unULKjNd67q16XG7GExhGpvmmMNyqN0CiyWxGEn4rzcU7kbM
 stcBmj8MYxEJrRDkz2uVGupUaI1ci62de9oEIjz5V5bdfduPYnnQNalzlT0z/OM1
 R620rySNaC9Fqu1kkMLM0JVp8vdrW+T6SLt9yERirTibkTDw4F+KEdPAWkcEK9U=
 =MRXv
 -----END PGP SIGNATURE-----

Merge tag 'imx-fixes-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Pull "i.MX fixes for 4.13, round 3" from Shawn Guo:

 - Fix PCIe reset GPIO of imx6qdl-nitrogen6_som2 board, which was
   a bad copy from nitrogen6_max device tree.

* tag 'imx-fixes-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6qdl-nitrogen6_som2: fix PCIe reset
2017-08-18 11:58:38 +02:00
Arnd Bergmann
552c497c40 Allwinner fixes for 4.13, round 2
Three fixes adding a missing alias for the Ethernet controller on A64
 boards. One adding a missing interrupt for the pin controller.
 -----BEGIN PGP SIGNATURE-----
 
 iQJCBAABCgAsFiEE2nN1m/hhnkhOWjtHOJpUIZwPJDAFAlmWY8IOHHdlbnNAY3Np
 ZS5vcmcACgkQOJpUIZwPJDCarBAA5ZLXl9Zp/JugO0JNuCyJpY3Z418hMMieqJ/P
 k2iTdnxSZ3ZhZGqDy/yJtEVS4T1jEe3r+VumUqQI81u6LTKcSCTgngBp0X4pDjKP
 VrPuvJZnaIQXGyxD+WRjeEZ9LwfU1KKwmkNF8ASnx53OyXF/qghl1OcCjV9nTfh8
 HcMBuSK/qqEQ1LoF2gyM1XXHkSD1jSoA/Nzwxgp8ivSlRGzuwbHO0fv42eQfgI7h
 D1Ufz3bAHh58YcarHMp53+6mMcaYNyTYwAzMH6/IAxwQ6CSSN6ZOsoe17+agEmoX
 65pQJWeVx+i4n8WtGPX0uWcz9K/jKyXEdpCLY85ZYHZKTabb6ZTuhMkYyOvXzhMD
 EvSas/dB6nhForHSPHVRYsS9zlwpwO5+LSAufYET0u/ec9RYL3S1f7JHNzYuLvgJ
 /W5EEu063XyrTEF5/xEv7FEd30J2k9418dCPyjXknuDdXbq1/TFAX/fwW+9I/I6W
 oguQbbuO7Op/LClVk15nPLIsdLwv2+QMbuWoqfqtK767x+cEpSYT2KY+s2OUjL8Y
 m7baoPpbAFPWq34ZtWCQzXH3pQ1ghgvnDRVfsskCpNpC3uB0C7Y+/lexRHd2A1j4
 ADf4k3jg2ybFUqADwHnCg7A+/wKCMDgIPLAfWgumgefUnZT0+YT7bP3xINks6/wi
 eguEAXA=
 =lSDD
 -----END PGP SIGNATURE-----

Merge tag 'sunxi-fixes-for-4.13-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into fixes

Pull "Allwinner fixes for 4.13, round 2" from Chen-Yu Tsai:

Three fixes adding a missing alias for the Ethernet controller on A64
boards. One adding a missing interrupt for the pin controller.

* tag 'sunxi-fixes-for-4.13-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm64: allwinner: h5: fix pinctrl IRQs
  arm64: allwinner: a64: sopine: add missing ethernet0 alias
  arm64: allwinner: a64: pine64: add missing ethernet0 alias
  arm64: allwinner: a64: bananapi-m64: add missing ethernet0 alias
2017-08-18 11:55:44 +02:00
Arvind Yadav
45bd07ad82 x86: Constify attribute_group structures
attribute_groups are not supposed to change at runtime and none of the
groups is modified.

Mark the non-const structs as const.

[ tglx: Folded into one big patch ]

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: tony.luck@intel.com
Cc: bp@alien8.de
Link: http://lkml.kernel.org/r/1500550238-15655-2-git-send-email-arvind.yadav.cs@gmail.com
2017-08-18 11:30:35 +02:00
Florian Fainelli
7374bfb82e MAINTAINERS: Remove Jason Cooper's irqchip git tree
Jason's irqchip tree does not seem to have been updated for many months
now, remove it from the list of trees to avoid any possible confusion.

Jason says:

  "Unfortunately, when I have time for irqchip, I don't always have the
   time to properly follow up with pull-requests. So, for the time being,
   I'll stick to reviewing as I can."

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Cc: marc.zyngier@arm.com
Link: http://lkml.kernel.org/r/20170727224733.8288-1-f.fainelli@gmail.com
2017-08-18 11:06:35 +02:00
Takashi Iwai
0b36f2bd28 ALSA: emu10k1: Fix forgotten user-copy conversion in init code
The commit d42fe63d58 ("ALSA: emu10k1: Get rid of set_fs() usage")
converted the user-space copy hack with set_fs() to the direct
memcpy(), but one place was forgotten.  This resulted in the error
from snd_emu10k1_init_efx(), eventually failed to load the driver.
Fix the missing piece.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196687
Fixes: d42fe63d58 ("ALSA: emu10k1: Get rid of set_fs() usage")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-08-18 10:59:02 +02:00
Jussi Laako
ed993c6fdf ALSA: usb-audio: add DSD support for new Amanero PID
Add DSD support for new Amanero Combo384 firmware version with a new
PID. This firmware uses DSD_U32_BE.

Fixes: 3eff682d76 ("ALSA: usb-audio: Support both DSD LE/BE Amanero firmware versions")
Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-08-18 10:13:21 +02:00
Keith Busch
e9d8a0fdea nvme-pci: set cqe_seen on polled completions
Fixes: 920d13a884 ("nvme-pci: factor out the cqe reading mechanics from __nvme_process_cq")
Reported-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-08-18 09:19:39 +02:00
Gary Bisson
c40bc54fdf ARM: dts: imx6qdl-nitrogen6_som2: fix PCIe reset
Previous value was a bad copy of nitrogen6_max device tree.

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Fixes: 3faa1bb2e8 ("ARM: dts: imx: add Boundary Devices Nitrogen6_SOM2 support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-08-18 09:40:40 +08:00
Linus Torvalds
04d49f3638 amd and i915 fixes.
-----BEGIN PGP SIGNATURE-----
 
 iQIcBAABAgAGBQJZlijWAAoJEAx081l5xIa+RjUP/2JWM5ATW7mxNr68LhCDqYB+
 qi1L49Zp7491wfgHXFRuZVGUYA/xxpOz4qneF4VEu57XNsEW/esQOut60lqyBw0k
 3YT34Hhk8pO2xvtdpxV3G+9EeZsIQ3Uu6UXTTYo6yoaeiodyWP6H9Zn0gHvdXUHj
 SL2iyEgIvvCyd31ktF7oPVK/6IhiNQbfhConsaO7CmU++73EQuXZ83LDbAno2+1J
 hZtC0hfqdRhUWpoDzCXgqg1uNQqhHe0oDI4tAN5skPqojBAr4Mt5vqQ2wX/AzhfW
 181MUts37Of+0H4kHQGlMu/Bls2ZSyRhxWHgj5T0agO2Cd0jz5f/iA94ot60+l+G
 W8BZ8CpQakjqa2oUMWLfgCIQLxLGIo6Jxdc1hfFSvdjWsrMhfszSEWsD/pFJbIf5
 NkBrMZ5Glgn9vI1kqan+W/HRvCw9o9h1ABgvpNM2FmwRphFfp6IKvbkXnAoW/iGL
 31l+9L+jXPEUOb7TrOuVJekJ4Esw5RxZmA6bDpQpCrXoBePGe7KSVMsB7jMVH0/i
 COrkqYJ3AWDxEoJbAMV5sOs7fsngjovZm4pV5k6k9pCL4JjXbdcBC3neO7FFEelY
 cwqi8Rs7FObKL/SSmvW/irnWJ55FjEyDYMl3C6/Jh3QKLemPlz7bwpgjasws4i4a
 ay3HVDS9n5MHGhuK4vPF
 =cIVx
 -----END PGP SIGNATURE-----

Merge tag 'drm-fixes-for-v4.13-rc6' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Seems to be slowing down nicely, just one amdgpu fix, and a bunch of
  i915 fixes"

* tag 'drm-fixes-for-v4.13-rc6' of git://people.freedesktop.org/~airlied/linux:
  drm/amdgpu: save list length when fence is signaled
  drm/i915: Avoid the gpu reset vs. modeset deadlock
  drm/i915: Suppress switch_mm emission between the same aliasing_ppgtt
  drm/i915: Return correct EDP voltage swing table for 0.85V
  drm/i915/cnl: Add slice and subslice information to debugfs.
  drm/i915: Perform an invalidate prior to executing golden renderstate
  drm/i915: remove unused function declaration
2017-08-17 16:48:29 -07:00
Linus Torvalds
d33a2a9143 Power management fixes for v4.13-rc6
- Disable interrupts around reading IA32_APERF and IA32_MPERF in
    aperfmperf_snapshot_khz() (introduced recently) to avoid excessive
    delays between the reads that may result from interrupt handling
    (Doug Smythies).
 
  - Fix the comutation of the CPU frequency to be reported through the
    pstate_sample tracepoint in intel_pstate (Doug Smythies).
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
 iQIcBAABCAAGBQJZlfwDAAoJEILEb/54YlRxNz0P/2qaLU/vTk2Ide5A0LNxHPRx
 kv7kD8HQ37yWMR787FCDihrJqXd9oY5nnrBosolHhaSO0aEn3RwFwWWmZJXVSS9O
 VB7zSDoxs5p4q+1lDz9nN0I5eu1+6b5Z4kLeEl5qJuJbc36o1wJ4fkg29M9pnoM0
 C85M/yrAN+WZMqsqjjTYObJb4NKQw3iIkF1oQW3mM1wM9YZFh4brMjvFGZ97XxjK
 GJyTgfm580cPQ2aMIYIffXkhLk3LhNRto+fkpWZ4togzutJSbCtA16sKlRVdtrof
 uGOcP4/dgmR3futM8mG7j6ovz+XvbxKeYcSs5BPh7klvCgwLY/Np+uV582mNrLWT
 UabL5+Jvwx4zFgS2m/jhZB/6rTs6h4jAmfBpCBlabAX6ppKAr74uH20dAoKePhHm
 qKa++7xVQBFwmHHsUXesW8QYSaEH37pwj+zUWyw1e+Dt+VvYDWRC5R2nugtOw8zV
 s6yONCd7HdfqCSpig1eA175E3IUAsFD5s1HXnuGVUAGjnPDiXvwtSZa5fdoDKHVo
 COZ0hV87z4+VtRF3/87xbJtFsAhz3byapIBrQ3QGAjfYhQ8D6fC1lA9OAqXEVETF
 1A14FnHJprqIpTUwXAWEBco6eez8/W2j9KomltNCnsyeZlcV6hy6nO4keRqFKCn0
 sRyj93X6N6HlUE+rWQxE
 =mtB4
 -----END PGP SIGNATURE-----

Merge tag 'pm-4.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix two issues related to exposing the current CPU frequency to
  user space on x86.

  Specifics:

   - Disable interrupts around reading IA32_APERF and IA32_MPERF in
     aperfmperf_snapshot_khz() (introduced recently) to avoid excessive
     delays between the reads that may result from interrupt handling
     (Doug Smythies).

   - Fix the computation of the CPU frequency to be reported through the
     pstate_sample tracepoint in intel_pstate (Doug Smythies)"

* tag 'pm-4.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: x86: Disable interrupts during MSRs reading
  cpufreq: intel_pstate: report correct CPU frequencies during trace
2017-08-17 14:21:18 -07:00
Linus Torvalds
440105d3c9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: elan_i2c - Add antoher Lenovo ACPI ID for upcoming Lenovo NB
  Input: elan_i2c - add ELAN0608 to the ACPI table
  Input: trackpoint - assume 3 buttons when buttons detection fails
2017-08-17 13:45:44 -07:00
Dave Airlie
28eb462879 Merge branch 'drm-fixes-4.13' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
single amdgpu fix.

* 'drm-fixes-4.13' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: save list length when fence is signaled
2017-08-18 05:45:03 +10:00
Dave Airlie
41d31b5fd2 Merge tag 'drm-intel-fixes-2017-08-16' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes
drm/i915 fixes for v4.13-rc6

"Chris' "drm/i915: Perform an invalidate prior to executing golden renderstate" and Daniel's
"drm/i915: Avoid the gpu reset vs. modeset deadlock" seem like the most important ones.

* tag 'drm-intel-fixes-2017-08-16' of git://anongit.freedesktop.org/git/drm-intel:
  drm/i915: Avoid the gpu reset vs. modeset deadlock
  drm/i915: Suppress switch_mm emission between the same aliasing_ppgtt
  drm/i915: Return correct EDP voltage swing table for 0.85V
  drm/i915/cnl: Add slice and subslice information to debugfs.
  drm/i915: Perform an invalidate prior to executing golden renderstate
  drm/i915: remove unused function declaration
2017-08-18 05:43:10 +10:00
Darrick J. Wong
77aff8c764 xfs: don't leak quotacheck dquots when cow recovery
If we fail a mount on account of cow recovery errors, it's possible that
a previous quotacheck left some dquots in memory.  The bailout clause of
xfs_mountfs forgets to purge these, and so we leak them.  Fix that.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
2017-08-17 12:40:33 -07:00
Darrick J. Wong
8204f8ddaa xfs: clear MS_ACTIVE after finishing log recovery
Way back when we established inode block-map redo log items, it was
discovered that we needed to prevent the VFS from evicting inodes during
log recovery because any given inode might be have bmap redo items to
replay even if the inode has no link count and is ultimately deleted,
and any eviction of an unlinked inode causes the inode to be truncated
and freed too early.

To make this possible, we set MS_ACTIVE so that inodes would not be torn
down immediately upon release.  Unfortunately, this also results in the
quota inodes not being released at all if a later part of the mount
process should fail, because we never reclaim the inodes.  So, set
MS_ACTIVE right before we do the last part of log recovery and clear it
immediately after we finish the log recovery so that everything
will be torn down properly if we abort the mount.

Fixes: 17c12bcd30 ("xfs: when replaying bmap operations, don't let unlinked inodes get reaped")
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
2017-08-17 12:40:33 -07:00
Rafael J. Wysocki
8179962b84 Merge branches 'intel_pstate-fix' and 'cpufreq-x86-fix'
* intel_pstate-fix:
  cpufreq: intel_pstate: report correct CPU frequencies during trace

* cpufreq-x86-fix:
  cpufreq: x86: Disable interrupts during MSRs reading
2017-08-17 21:00:30 +02:00
Linus Torvalds
3bc6c906ea Merge branch 'parisc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:

 - Fix PCI memory bar assignments with 64-bit kernels on machines with
   Dino/Cujo PCI chipsets. This makes PCI graphic cards work on such
   machines (from Thomas Bogendoerfer).

 - Fix documentation to be more clear about the difference between %pF
   and %pS printk format usage. There are still many places in the
   kernel which have it wrong (from Petr Mladek, Sergey Senozhatsky &
   me).

* 'parisc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  printk-formats.txt: Better describe the difference between %pS and %pF
  parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo
2017-08-17 11:39:54 -07:00
Christoph Hellwig
81a0b8d74e nvme-fabrics: fix reporting of unrecognized options
Only print the specified options that are not recognized, instead
of the whole list of options.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
2017-08-17 18:48:54 +02:00
Linus Torvalds
99f781b1bf Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull quota fix from Jan Kara:
 "A fix of a check for quota limit"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: correct space limit check
2017-08-17 09:26:10 -07:00
Linus Torvalds
c8c03f1858 pty: fix the cached path of the pty slave file descriptor in the master
Christian Brauner reported that if you use the TIOCGPTPEER ioctl() to
get a slave pty file descriptor, the resulting file descriptor doesn't
look right in /proc/<pid>/fd/<fd>.  In particular, he wanted to use
readlink() on /proc/self/fd/<fd> to get the pathname of the slave pty
(basically implementing "ptsname{_r}()").

The reason for that was that we had generated the wrong 'struct path'
when we create the pty in ptmx_open().

In particular, the dentry was correct, but the vfsmount pointed to the
mount of the ptmx node. That _can_ be correct - in case you use
"/dev/pts/ptmx" to open the master - but usually is not.  The normal
case is to use /dev/ptmx, which then looks up the pts/ directory, and
then the vfsmount of the ptmx node is obviously the /dev directory, not
the /dev/pts/ directory.

We actually did have the right vfsmount available, but in the wrong
place (it gets looked up in 'devpts_acquire()' when we get a reference
to the pts filesystem), and so ptmx_open() used the wrong mnt pointer.

The end result of this confusion was that the pty worked fine, but when
if you did TIOCGPTPEER to get the slave side of the pty, end end result
would also work, but have that dodgy 'struct path'.

And then when doing "d_path()" on to get the pathname, the vfsmount
would not match the root of the pts directory, and d_path() would return
an empty pathname thinking that the entry had escaped a bind mount into
another mount.

This fixes the problem by making devpts_acquire() return the vfsmount
for the pts filesystem, allowing ptmx_open() to trivially just use the
right mount for the pts dentry, and create the proper 'struct path'.

Reported-by: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-17 09:10:48 -07:00
Takashi Iwai
0f174b3525 ALSA: usb-audio: Add mute TLV for playback volumes on C-Media devices
C-Media devices (at least some models) mute the playback stream when
volumes are set to the minimum value.  But this isn't informed via TLV
and the user-space, typically PulseAudio, gets confused as if it's
still played in a low volume.

This patch adds the new flag, min_mute, to struct usb_mixer_elem_info
for indicating that the mixer element is with the minimum-mute volume.
This flag is set for known C-Media devices in
snd_usb_mixer_fu_apply_quirk() in turn.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196669
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-08-17 17:52:16 +02:00
Arnd Bergmann
872784bffb Fourth Round of Renesas ARM Based SoC Fixes for v4.13
* Avoid audio_clkout naming conflict for salvator boards using
   Renesas R-Car Gen 3 SoCs
 
   Morimoto-san says "The clock name of "audio_clkout" is used by the
   Renesas sound driver.  This duplicated naming breaks its clock
   registering/unregistering.  Especially when unbind/bind it can't handle
   clkout correctly.  This patch renames "audio_clkout" to "audio-clkout" to
   avoid the naming conflict."
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJZlVkYAAoJENfPZGlqN0++JKsP/i0hKyjgmvL983609fRwWcq9
 i3nkGw+kxcv0ZBLSjWR++mPsQ3PPTgOk1MpJL3ioL8WZBuaTghCpsGrsVRnNViq8
 RlDhShNPlvqcq9MOoAcc6rgqxron7P97Eykt1IXIDqgPlRNRRlSjil0MovLonzDW
 S2T1W6gRjKKSOdPpZbXhxDeBwv2lEr7+688kU9ZTvzKN4KWdsShuuVSnW786wWgM
 SJ8ZFzI5RzUsqcqvpeEWpe+z5eZo/GFDtmQ3E/ngCzrwbAwbVUeEXjvLLJF9oHSs
 sMU66eOoU7erRqTe6KjpW+qIIRkaAR3rH5vVQB0tCJVl4kORWTVFcUGWiQ3ON3cP
 wPrObeBCzzKamWoH6QJ7oWFvFYOVFOQtm3PaXBuSkWjlldLA9FdhLZJ1mYdrk5i6
 PnIdvJGXRC0nH/+yJkbheG8FRNhz92eCG1u3gUBEGVKMwYDBWlztYVAI32MypKcm
 +2xnR1Fs2uMzD/WxsM/PHaeU2LeTt/pnazgUInwnjDEFUR6fRP1MpkoFcspRk3Ix
 QqF7HmLmn7ezho+Z+PXFYKPJvLHwTyHRI8TQtFzarFWXm+Y/ve5GVdbDLVkw31Aa
 jy/w10dGmh9Q3z3sD2jhQKYuNVE0fhsZC1xkVCIodtYpyULfcLJvGJuUazlqpFZz
 z3hXHslR7p1se40FdP6k
 =meey
 -----END PGP SIGNATURE-----

Merge tag 'renesas-fixes4-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

Pull "Fourth Round of Renesas ARM Based SoC Fixes for v4.13" from Simon Horman:

* Avoid audio_clkout naming conflict for salvator boards using
  Renesas R-Car Gen 3 SoCs

  Morimoto-san says "The clock name of "audio_clkout" is used by the
  Renesas sound driver.  This duplicated naming breaks its clock
  registering/unregistering.  Especially when unbind/bind it can't handle
  clkout correctly.  This patch renames "audio_clkout" to "audio-clkout" to
  avoid the naming conflict."

* tag 'renesas-fixes4-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  arm64: renesas: salvator-common: avoid audio_clkout naming conflict
2017-08-17 11:00:26 +02:00
Robin Murphy
ee7b1f3120 of: fix DMA mask generation
Historically, DMA masks have suffered some ambiguity between whether
they represent the range of physical memory a device can access, or the
address bits a device is capable of driving, particularly since on many
platforms the two are equivalent. Whilst there are some stragglers left
(dma_max_pfn(), I'm looking at you...), the majority of DMA code has
been cleaned up to follow the latter definition, not least since it is
the only one which makes sense once IOMMUs are involved.

In this respect, of_dma_configure() has always done the wrong thing in
how it generates initial masks based on "dma-ranges". Although rounding
down did not affect the TI Keystone platform where dma_addr + size is
already a power of two, in any other case it results in a mask which is
at best unnecessarily constrained and at worst unusable.

BCM2837 illustrates the problem nicely, where we have a DMA base of 3GB
and a size of 1GB - 16MB, giving dma_addr + size = 0xff000000 and a
resultant mask of 0x7fffffff, which is then insufficient to even cover
the necessary offset, effectively making all DMA addresses out-of-range.
This has been hidden until now (mostly because we don't yet prevent
drivers from simply overwriting this initial mask later upon probe), but
due to recent changes elsewhere now shows up as USB being broken on
Raspberry Pi 3.

Make it right by rounding up instead of down, such that the mask
correctly correctly describes all possisble bits the device needs to
emit.

Fixes: 9a6d7298b0 ("of: Calculate device DMA masks based on DT dma-range size")
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Reported-by: Andreas Färber <afaerber@suse.de>
Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-08-17 10:23:45 +02:00
Alexander Potapenko
187e91fe5e x86/boot/64/clang: Use fixup_pointer() to access 'next_early_pgt'
__startup_64() is normally using fixup_pointer() to access globals in a
position-independent fashion. However 'next_early_pgt' was accessed
directly, which wasn't guaranteed to work.

Luckily GCC was generating a R_X86_64_PC32 PC-relative relocation for
'next_early_pgt', but Clang emitted a R_X86_64_32S, which led to
accessing invalid memory and rebooting the kernel.

Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Davidson <md@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: c88d71508e ("x86/boot/64: Rewrite startup_64() in C")
Link: http://lkml.kernel.org/r/20170816190808.131748-1-glider@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-08-17 09:53:00 +02:00
James Smart
369157b41c nvmet-fc: eliminate incorrect static markers on local variables
There were 2 statics introduced that were bogus. Removed the static
designations.

Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-08-17 09:35:08 +02:00
Linus Torvalds
ac9a40905a SCSI fixes on 20170816
A couple of minor fixes (st, ses) and some bigger driver fixes for
 qla2xxx (crash triggered by fw dump) and ipr (lockdep problems with
 mq).
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
 iQIcBAABAgAGBQJZlMN9AAoJEAVr7HOZEZN4DwgP+wbHTOp4zTguEyV39urlBf5h
 qTshTNnT+W3ETvnPdva7WdHtNn3R1I2C4ePhMIs4jtJ82TooK4VXAO9QWncQwx71
 0nz5Y7rlQEobqS/m5a7b/ma6S6JJUAKGHnqh/SNL5RvZkaQZzKNiW4HH1FAKZYx9
 JF/QosBW5hgtJJnDCbXPr0/xB/6MGymbpv1AcB9i8bOLBx2PugwpJ9KRl5xviLZy
 Y9rJA7a7ls8AwrO7eXDyVOPNJ9ap4tjOUn0N6SjsLmDrneEdUaCbRmk6IotG9eUc
 yXwFrYxN4drtizXUBZ1ZD+/2bnGpbDDa28UBBq9tMQEdIpH1YwxMfXf2Whbx1DKq
 oDm0b4aBJXk4+AhBSvyjylNgW2itkc77K9yOnHiF4ye916VlcdGCzz4icMA86/HF
 bf+eXBu1EcR37z/hxbxbIG3TX9eKCzEV/exXZ3oy+UvOi36lx3MP/fb7yEaRtIM+
 uwIKJbl0J+Nr5P7PIsyh0ciVsxxeZNabwwnwc642YuarfQc+P1PNhf2UUCZVKfwL
 RifDqn52RcM4rvzWbgnt5NKEr03ldZ42sN6t0Jf2j1hiH/VHa5/5dUcVhNL8Gsn+
 SqfWjeFCBWkVJftSYtP7p+w/AhnHUeca9E9pGtv/8V+UizNnb+t8Y0jUuUQJu6yT
 tiZ4OaSijyy+O7xmITf2
 =gE+M
 -----END PGP SIGNATURE-----

Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "A couple of minor fixes (st, ses) and some bigger driver fixes for
  qla2xxx (crash triggered by fw dump) and ipr (lockdep problems with
  mq)"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ses: Fix wrong page error
  scsi: ipr: Fix scsi-mq lockdep issue
  scsi: st: fix blk_get_queue usage
  scsi: qla2xxx: Fix system crash while triggering FW dump
2017-08-16 17:21:20 -07:00
Linus Torvalds
422ce075f9 audit/stable-4.13 PR 20170816
-----BEGIN PGP SIGNATURE-----
 
 iQJIBAABCAAyFiEEcQCq365ubpQNLgrWVeRaWujKfIoFAlmUlmUUHHBhdWxAcGF1
 bC1tb29yZS5jb20ACgkQVeRaWujKfIo92hAAqbffYKqih+3VPCYg0bx7N9pCl8Ya
 k9RNxyRPv9+IxJGTrnG00x6k8GIv3hjyJIYmqGQl/GWdbZadmySazl20YI9ls47p
 7ydJAJELRPnfKFLJ9T2mqi6Az8qDtRoV2DwLCSCnsBCJdsK4wcUxtM3/qV2JGxzJ
 O2YIw4C4kuoM2SRl6weGnCUTVkdaDdHk6GcC2GClIlsjapUpNB+UieGijN/3HqHi
 YpSofAXD1lkZ4DZCM51t/3vuIlNTGSQOVvXqsVZWJv4fFR1qZbGiYuVQervYaaP2
 sRN+2OwNtdy5yUStQ5BMHT44zTc49ACizSqU3j96yzEa5H3IfMSN9U5Aa+GYIy5N
 um6qeUz7wKOto0/hBtDpabGeeBkdLZBY6L7Dt2NLTcC8vT65b8NveGj4rvVGt0b5
 REjoT0Slja4yQeER3IgUByR5H6h983Em/cjDmL6V/oLqxfOGGLkLQgKyfGoF+aSK
 DrpCWS/XiGU/Q2W3XhLSSIlJXbZ6y/dttM4tFOrk6omekLpdzdJwgo8DRz91dIZI
 vB5DAHG+Pvxw6sYFz2eAF2/3UYeEdxhAsQs8V3NJWz+7BD/AxAdfMDriGQnQ6jfU
 NIWRcCxkU/FtrqsznIqp0BkitOQ7ZwDqusUebWl34y8iNa/m2f9Jp+rvSnxq8+Zu
 Zw0EjuRyfwu2SE0=
 =tP6Y
 -----END PGP SIGNATURE-----

Merge tag 'audit-pr-20170816' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit fixes from Paul Moore:
 "Two small fixes to the audit code, both explained well in the
  respective patch descriptions, but the quick summary is one
  use-after-free fix, and one silly fanotify notification flag fix"

* tag 'audit-pr-20170816' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: Receive unmount event
  audit: Fix use after free in audit_remove_watch_rule()
2017-08-16 16:48:34 -07:00
Helge Deller
d6957f3396 printk-formats.txt: Better describe the difference between %pS and %pF
Sometimes people seems unclear when to use the %pS or %pF printk format.
For example, see commit 51d96dc2e2 ("random: fix warning message on ia64
and parisc") which fixed such a wrong format string.

The documentation should be more clear about the difference.

Signed-off-by: Helge Deller <deller@gmx.de>
[pmladek@suse.com: Restructure the entire section]
Signed-off-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2017-08-16 21:09:45 +02:00
Oleg Nesterov
01578e3616 x86/elf: Remove the unnecessary ADDR_NO_RANDOMIZE checks
The ADDR_NO_RANDOMIZE checks in stack_maxrandom_size() and
randomize_stack_top() are not required.

PF_RANDOMIZE is set by load_elf_binary() only if ADDR_NO_RANDOMIZE is not
set, no need to re-check after that.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: stable@vger.kernel.org
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Link: http://lkml.kernel.org/r/20170815154011.GB1076@redhat.com
2017-08-16 20:32:02 +02:00
Oleg Nesterov
47ac5484fd x86: Fix norandmaps/ADDR_NO_RANDOMIZE
Documentation/admin-guide/kernel-parameters.txt says:

    norandmaps  Don't use address space randomization. Equivalent
                to echo 0 > /proc/sys/kernel/randomize_va_space

but it doesn't work because arch_rnd() which is used to randomize
mm->mmap_base returns a random value unconditionally. And as Kirill
pointed out, ADDR_NO_RANDOMIZE is broken by the same reason.

Just shift the PF_RANDOMIZE check from arch_mmap_rnd() to arch_rnd().

Fixes: 1b028f784e ("x86/mm: Introduce mmap_compat_base() for 32-bit mmap()")
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: stable@vger.kernel.org
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20170815153952.GA1076@redhat.com
2017-08-16 20:32:01 +02:00
Maor Gottlieb
870201f95f IB/uverbs: Fix NULL pointer dereference during device removal
As part of ib_uverbs_remove_one which might be triggered upon
reset flow, we trigger IB_EVENT_DEVICE_FATAL event to userspace
application.
If device was removed after uverbs fd was opened but before
ib_uverbs_get_context was called, the event file will be accessed
before it was allocated, result in NULL pointer dereference:

[ 72.325873] BUG: unable to handle kernel NULL pointer dereference at (null)
...
[ 72.325984] IP: _raw_spin_lock_irqsave+0x22/0x40
[ 72.327123] Call Trace:
[ 72.327168] ib_uverbs_async_handler.isra.8+0x2e/0x160 [ib_uverbs]
[ 72.327216] ? synchronize_srcu_expedited+0x27/0x30
[ 72.327269] ib_uverbs_remove_one+0x120/0x2c0 [ib_uverbs]
[ 72.327330] ib_unregister_device+0xd0/0x180 [ib_core]
[ 72.327373] mlx5_ib_remove+0x74/0x140 [mlx5_ib]
[ 72.327422] mlx5_remove_device+0xfb/0x110 [mlx5_core]
[ 72.327466] mlx5_unregister_interface+0x3c/0xa0 [mlx5_core]
[ 72.327509] mlx5_ib_cleanup+0x10/0x962 [mlx5_ib]
[ 72.327546] SyS_delete_module+0x155/0x230
[ 72.328472] ? exit_to_usermode_loop+0x70/0xa6
[ 72.329370] do_syscall_64+0x54/0xc0
[ 72.330262] entry_SYSCALL64_slow_path+0x25/0x25

Fix it by checking that user context was allocated before
trigger the event.

Fixes: 036b106357 ('IB/uverbs: Enable device removal when there are active user space applications')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 12:53:15 -04:00
Jens Axboe
3e09fc802d Merge branch 'stable/for-jens-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus
Pull xen block changes from Konrad:

Two fixes, both of them spotted by Amazon:

 1) Fix in Xen-blkfront caused by the re-write in 4.8 time-frame.
 2) Fix in the xen_biovec_phys_mergeable which allowed guest
    requests when using NVMe - to slurp up more data than allowed
    leading to an XSA (which has been made public today).
2017-08-16 09:56:34 -06:00
Shiraz Saleem
06f8174a97 IB/core: Protect sysfs entry on ib_unregister_device
ib_unregister_device is not protecting removal of sysfs entries.
A call to ib_register_device in that window can result in
duplicate sysfs entry warning. Move mutex_unlock to after
ib_device_unregister_sysfs to protect against sysfs entry creation.

This issue is exposed during driver load/unload stress test.

WARNING: CPU: 5 PID: 4445 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x5f/0x70
sysfs: cannot create duplicate filename '/class/infiniband/i40iw0'
Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./Q87M-D2H
BIOS F7 01/17/2014
Workqueue: i40e i40e_service_task [i40e]
Call Trace:
dump_stack+0x67/0x98
__warn+0xcc/0xf0
warn_slowpath_fmt+0x4a/0x50
? kernfs_path_from_node+0x4b/0x60
sysfs_warn_dup+0x5f/0x70
sysfs_do_create_link_sd.isra.2+0xb7/0xc0
sysfs_create_link+0x20/0x40
device_add+0x28c/0x600
ib_device_register_sysfs+0x58/0x170 [ib_core]
ib_register_device+0x325/0x570 [ib_core]
? i40iw_register_rdma_device+0x1f4/0x400 [i40iw]
? kmem_cache_alloc_trace+0x143/0x330
? __raw_spin_lock_init+0x2d/0x50
i40iw_register_rdma_device+0x2dc/0x400 [i40iw]
i40iw_open+0x10a6/0x1950 [i40iw]
? i40iw_open+0xeab/0x1950 [i40iw]
? i40iw_make_cm_node+0x9c0/0x9c0 [i40iw]
i40e_client_subtask+0xa4/0x110 [i40e]
i40e_service_task+0xc2d/0x1320 [i40e]
process_one_work+0x203/0x710
? process_one_work+0x16f/0x710
worker_thread+0x126/0x4a0
? trace_hardirqs_on+0xd/0x10
kthread+0x112/0x150
? process_one_work+0x710/0x710
? kthread_create_on_node+0x40/0x40
ret_from_fork+0x2e/0x40
---[ end trace fd11b69e21ea7653 ]---
Couldn't register device i40iw0 with driver model

Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Sindhu Devale <sindhu.devale@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 11:47:55 -04:00
Steve Wise
d4ba61d218 iw_cxgb4: fix misuse of integer variable
Fixes: ee30f7d507 ("iw_cxgb4: Max fastreg depth depends on DSGL support")
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 11:43:21 -04:00
Colin Ian King
5b59a3969e IB/hns: fix memory leak on ah on error return path
When dmac is NULL, ah is not being freed on the error return path. Fix
this by kfree'ing it.

Detected by CoverityScan, CID#1452636 ("Resource Leak")

Fixes: d8966fcd4c ("IB/core: Use rdma_ah_attr accessor functions")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 11:30:33 -04:00
Christopher N Bednarz
aa939c12ab i40iw: Fix potential fcn_id_array out of bounds
Avoid out of bounds error by utilizing I40IW_MAX_STATS_COUNT
instead of I40IW_INVALID_FCN_ID.

Signed-off-by: Christopher N Bednarz <christoper.n.bednarz@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 11:27:44 -04:00
Christopher N Bednarz
a28f047e5f i40iw: Use correct alignment for CQ0 memory
Utilize correct alignment variable when allocating
DMA memory for CQ0.

Signed-off-by: Christopher N Bednarz <christopher.n.bednarz@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 11:27:44 -04:00
Mustafa Ismail
29c2415a66 i40iw: Fix typecast of tcp_seq_num
The typecast of tcp_seq_num incorrectly uses u8. Fix by
casting to u32.

Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 11:27:44 -04:00
Mustafa Ismail
8129331f01 i40iw: Correct variable names
Fix incorrect naming of status code and struct. Use inline
instead of immediate.

Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 11:27:44 -04:00
Chien Tin Tung
f67ace2d88 i40iw: Fix parsing of query/commit FPM buffers
Parsing of commit/query Host Memory Cache Function Private Memory
is not skipping over reserved fields and incorrectly assigning
those values into object's base/cnt/max_cnt fields. Skip over
reserved fields and set correct values. Also correct memory
alignment requirement for commit/query FPM buffers.

Signed-off-by: Chien Tin Tung <chien.tin.tung@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Christopher N Bednarz <christopher.n.bednarz@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 11:27:44 -04:00
Bryan Tan
a7d2e03928 RDMA/vmw_pvrdma: Report CQ missed events
There is a chance of a race between arming the CQ and receiving
completions. By reporting CQ missed events any ULPs should poll
again to get the completions.

Fixes: 29c8d9eba5 ("IB: Add vmw_pvrdma driver")
Acked-by: Aditya Sarwade <asarwade@vmware.com>
Signed-off-by: Bryan Tan <bryantan@vmware.com>
Signed-off-by: Adit Ranadive <aditr@vmware.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-08-16 10:56:04 -04:00
Benjamin Herrenschmidt
5a69aec945 powerpc: Fix VSX enabling/flushing to also test MSR_FP and MSR_VEC
VSX uses a combination of the old vector registers, the old FP
registers and new "second halves" of the FP registers.

Thus when we need to see the VSX state in the thread struct
(flush_vsx_to_thread()) or when we'll use the VSX in the kernel
(enable_kernel_vsx()) we need to ensure they are all flushed into
the thread struct if either of them is individually enabled.

Unfortunately we only tested if the whole VSX was enabled, not if they
were individually enabled.

Fixes: 72cd7b44bc ("powerpc: Uncomment and make enable_kernel_vsx() routine available")
Cc: stable@vger.kernel.org # v4.3+
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-08-16 19:35:54 +10:00
James Smart
16a5a480f0 nvmet-fc: correct use after free on list teardown
Use list_for_each_entry_safe to prevent list handling from referencing
next pointers directly after list_del's

Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-08-16 10:06:18 +02:00
Martin Wilck
42819eb7a0 nvmet: don't overwrite identify sn/fr with 0-bytes
The merged version of my patch "nvmet: don't report 0-bytes in serial
number" fails to remove two lines which should have been replaced,
so that the space-padded strings are overwritten again with 0-bytes.
Fix it.

Fixes: 42de82a8b5 nvmet: don't report 0-bytes in serial number
Signed-off-by: Martin Wilck <mwilck@suse.com>
Reviewed-by: Sagi Grimberg <sagi@grimbeg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-08-16 10:06:10 +02:00
Thomas Bogendoerfer
4098116039 parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo
For 64bit kernels the lmmio_space_offset of the host bridge window
isn't set correctly on systems with dino/cujo PCI host bridges.
This leads to not assigned memory bars and failing drivers, which
need to use these bars.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: <stable@vger.kernel.org>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
2017-08-16 09:50:39 +02:00