Commit Graph

767354 Commits

Author SHA1 Message Date
Olof Johansson 4ca2f0b945 This fixes polarity of SD card write-protect pin on DA850 EVM
and fixes interrupt property for DA850 SoC GPIO as defined in
 device-tree.
 
 Both of these are not introduced with v4.18 merge but have
 existed prior.
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Merge tag 'davinci-fixes-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes

This fixes polarity of SD card write-protect pin on DA850 EVM
and fixes interrupt property for DA850 SoC GPIO as defined in
device-tree.

Both of these are not introduced with v4.18 merge but have
existed prior.

* tag 'davinci-fixes-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: dts: da850: Fix interrups property for gpio
  ARM: davinci: board-da850-evm: fix WP pin polarity for MMC/SD

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-06-29 14:08:27 -07:00
Olof Johansson 35911e01e5 ARM64: hisi fixes for 4.18
- Added power capabilities for the mmc host controller on the
   hikey and hikey960 boards to avoid broken wifi.
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Merge tag 'hisi-fixes-for-4.18' of git://github.com/hisilicon/linux-hisi into fixes

ARM64: hisi fixes for 4.18

- Added power capabilities for the mmc host controller on the
  hikey and hikey960 boards to avoid broken wifi.

* tag 'hisi-fixes-for-4.18' of git://github.com/hisilicon/linux-hisi:
  arm64: dts: hikey960: Define wl1837 power capabilities
  arm64: dts: hikey: Define wl1835 power capabilities

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-06-29 14:06:49 -07:00
Olof Johansson d2d369a961 Amlogic fixes for v4.18-rc
- minor 64-bit DT fixes
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Merge tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into fixes

Amlogic fixes for v4.18-rc
- minor 64-bit DT fixes

* tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM64: dts: meson-gxl: fix Mali GPU compatible string
  ARM64: dts: meson-axg: fix ethernet stability issue
  ARM64: dts: meson-gx: fix ATF reserved memory region
  ARM64: dts: meson-gxl-s905x-p212: Add phy-supply for usb0
  ARM64: dts: meson: fix register ranges for SD/eMMC
  ARM64: dts: meson: disable sd-uhs modes on the libretech-cc

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-06-29 14:04:39 -07:00
Linus Torvalds 0d55ec6f3e arm64 fixes:
- The alternatives patching code uses flush_icache_range() which itself
   uses alternatives. Change the code to use an unpatched variant of
   cache maintenance
 
 - Remove unnecessary ISBs from set_{pte,pmd,pud}
 
 - perf: xgene_pmu: Fix IOB SLOW PMU parser error
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - The alternatives patching code uses flush_icache_range() which itself
   uses alternatives. Change the code to use an unpatched variant of
   cache maintenance

 - Remove unnecessary ISBs from set_{pte,pmd,pud}

 - perf: xgene_pmu: Fix IOB SLOW PMU parser error

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Remove unnecessary ISBs from set_{pte,pmd,pud}
  arm64: Avoid flush_icache_range() in alternatives patching code
  drivers/perf: xgene_pmu: Fix IOB SLOW PMU parser error
2018-06-29 12:25:26 -07:00
Linus Torvalds 44813aa62a Merge branch 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:

 - a revert because of bugzilla #200045 (and some documentation about
   it)

 - another regression fix in the i2c-gpio driver

 - a leak fix for the i2c core

* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: gpio: initialize SCL to HIGH again
  i2c: smbus: kill memory leak on emulated and failed DMA SMBus xfers
  i2c: algos: bit: mention our experience about initial states
  Revert "i2c: algo-bit: init the bus to a known state"
2018-06-29 12:21:12 -07:00
Linus Torvalds 7886953859 A trivial dentry leak fix from Zheng.
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Merge tag 'ceph-for-4.18-rc3' of git://github.com/ceph/ceph-client

Pull ceph fix from Ilya Dryomov:
 "A trivial dentry leak fix from Zheng"

* tag 'ceph-for-4.18-rc3' of git://github.com/ceph/ceph-client:
  ceph: fix dentry leak in splice_dentry()
2018-06-29 12:19:47 -07:00
Helge Deller 24b6c22504 parisc: Build kernel without -ffunction-sections
As suggested by Nick Piggin it seems we can drop the -ffunction-sections
compile flag, now that the kernel uses thin archives. Testing with 32-
and 64-bit kernel showed no difference in kernel size.

Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2018-06-29 17:27:20 +02:00
Jens Axboe 9544bc5347 sg: remove ->sg_magic member
This was introduced more than a decade ago when sg chaining was
added, but we never really caught anything with it. The scatterlist
entry size can be critical, since drivers allocate it, so remove
the magic member. Recently it's been triggering allocation stalls
and failures in NVMe.

Tested-by: Jordan Glover <Golden_Miller83@protonmail.ch>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-06-29 08:48:06 -06:00
Linus Torvalds cd993fc431 pci-v4.18-fixes-1
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Merge tag 'pci-v4.18-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - Fix crash caused by endpoint library initialization order change
   (Alan Douglas)

 - Fix shpchp NULL pointer dereference regression on non-ACPI platforms
   (Bjorn Helgaas)

 - Move PCI_DOMAINS selection to fix build regression (Lorenzo
   Pieralisi)

* tag 'pci-v4.18-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: controller: Move PCI_DOMAINS selection to arch Kconfig
  PCI: Initialize endpoint library before controllers
  PCI: shpchp: Manage SHPC unconditionally on non-ACPI systems
2018-06-29 07:22:46 -07:00
Linus Torvalds 5e4e8c55c9 Power management fixes for 4.18-rc3
- Fix the initialization time error handling in the recently added
    Kryo cpufreq driver (Dan Carpenter).
 
  - Fix up the recently added coverage of performance states in the
    generic power domains (genpd) framework (Viresh Kumar).
 
  - Add missing documentation of the new hwp_dynamic_boost sysfs knob
    in the intel_pstate driver (Rafael Wysocki).
 
  - Fix incorrect sysfs path in the intel_pstate driver documentation
    (Rafael Wysocki).
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Merge tag 'pm-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix up recently added features (the Kryo cpufreq driver and
  performance states coverage in the generic power domains framework),
  add missing documentation for a recently added sysfs knob in the
  intel_pstate driver and fix an error in its documentation.

  Specifics:

   - Fix the initialization time error handling in the recently added
     Kryo cpufreq driver (Dan Carpenter).

   - Fix up the recently added coverage of performance states in the
     generic power domains (genpd) framework (Viresh Kumar).

   - Add missing documentation of the new hwp_dynamic_boost sysfs knob
     in the intel_pstate driver (Rafael Wysocki).

   - Fix incorrect sysfs path in the intel_pstate driver documentation
     (Rafael Wysocki)"

* tag 'pm-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  Documentation: intel_pstate: Describe hwp_dynamic_boost sysfs knob
  Documentation: admin-guide: intel_pstate: Fix sysfs path
  PM / Domains: Rename opp_node to np
  PM / Domains: Fix return value of of_genpd_opp_to_performance_state()
  cpufreq: qcom-kryo: Fix error handling in probe()
2018-06-29 07:14:41 -07:00
Linus Torvalds 48a3c64b46 amdgpu, mali_dp and meson fixes
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Merge tag 'drm-fixes-2018-06-29' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Nothing too major this round:

   - small set of mali-dp fixes

   - single meson fix

   - a bunch of amdgpu fixes (one makes non-4k page sizes not be a bad
     experience)"

* tag 'drm-fixes-2018-06-29' of git://anongit.freedesktop.org/drm/drm:
  drm/amd/display: release spinlock before committing updates to stream
  drm/amdgpu:Support new VCN FW version naming convention
  drm/amdgpu: fix UBSAN: Undefined behaviour for amdgpu_fence.c
  drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()'
  drm/amdgpu: GPU vs CPU page size fixes in amdgpu_vm_bo_split_mapping
  drm/amdgpu: Count disabled CRTCs in commit tail earlier
  drm/mali-dp: Rectify the width and height passed to rotmem_required()
  drm/arm/malidp: Preserve LAYER_FORMAT contents when setting format
  drm: mali-dp: Enable Global SE interrupts mask for DP500
  drm/arm/malidp: Ensure that the crtcs are shutdown before removing any encoder/connector
2018-06-29 07:11:03 -07:00
Linus Torvalds ff23908bb7 - Fix dm core to use more efficient bio_split() instead of
bio_clone_bioset().  Also fixes splitting bio that has integrity
   payload.
 
 - Three fixes related to properly validating DAX capabilities of a
   stacked DM device that will advertise DAX support.
 
 - Update DM writecache target to use 2-factor allocator arguments.  Kees
   says this is the last related change for 4.18.
 
 - Fix DM zoned target to use GFP_NOIO to avoid triggering reclaim during
   IO submission (caught by lockdep).
 
 - Fix DM thinp to gracefully recover from running out of data space
   while a previous async discard completes (whereby freeing space).
 
 - Fix DM thinp's metadata transaction commit to avoid needless work.
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Merge tag 'for-4.18/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Fix dm core to use more efficient bio_split() instead of
   bio_clone_bioset(). Also fixes splitting bio that has integrity
   payload.

 - Three fixes related to properly validating DAX capabilities of a
   stacked DM device that will advertise DAX support.

 - Update DM writecache target to use 2-factor allocator arguments. Kees
   says this is the last related change for 4.18.

 - Fix DM zoned target to use GFP_NOIO to avoid triggering reclaim
   during IO submission (caught by lockdep).

 - Fix DM thinp to gracefully recover from running out of data space
   while a previous async discard completes (whereby freeing space).

 - Fix DM thinp's metadata transaction commit to avoid needless work.

* tag 'for-4.18/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm: prevent DAX mounts if not supported
  dax: check for QUEUE_FLAG_DAX in bdev_dax_supported()
  pmem: only set QUEUE_FLAG_DAX for fsdax mode
  dm thin: handle running out of data space vs concurrent discard
  dm raid: don't use 'const' in function return
  dm zoned: avoid triggering reclaim from inside dmz_map()
  dm writecache: use 2-factor allocator arguments
  dm thin metadata: remove needless work from __commit_transaction
  dm: use bio_split() when splitting out the already processed bio
2018-06-29 07:07:25 -07:00
Jens Axboe 49f1c61071 Merge branch 'nvme-4.18' of git://git.infradead.org/nvme into for-linus
Pull single NVMe fix from Christoph.

* 'nvme-4.18' of git://git.infradead.org/nvme:
  nvme-rdma: fix possible double free of controller async event buffer
2018-06-29 07:55:41 -06:00
Bart Van Assche fad2d4ef63 drbd: Fix drbd_request_prepare() discard handling
Fix the test that verifies whether bio_op(bio) represents a discard
or write zeroes operation. Compile-tested only.

Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Fixes: 7435e9018f ("drbd: zero-out partial unaligned discards on local backend")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-06-29 07:53:21 -06:00
Jens Axboe 1f57f8d442 blk-mq: don't queue more if we get a busy return
Some devices have different queue limits depending on the type of IO. A
classic case is SATA NCQ, where some commands can queue, but others
cannot. If we have NCQ commands inflight and encounter a non-queueable
command, the driver returns busy. Currently we attempt to dispatch more
from the scheduler, if we were able to queue some commands. But for the
case where we ended up stopping due to BUSY, we should not attempt to
retrieve more from the scheduler. If we do, we can get into a situation
where we attempt to queue a non-queueable command, get BUSY, then
successfully retrieve more commands from that scheduler and queue those.
This can repeat forever, starving the non-queuable command indefinitely.

Fix this by NOT attempting to pull more commands from the scheduler, if
we get a BUSY return. This should also be more optimal in terms of
letting requests stay in the scheduler for as long as possible, if we
get a BUSY due to the regular out-of-tags condition.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-06-29 07:52:31 -06:00
Avi Kivity 2cd3ae2129 aio: mark __aio_sigset::sigmask const
io_pgetevents() will not change the signal mask.  Mark it const to make
it clear and to reduce the need for casts in user code.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Avi Kivity <avi@scylladb.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[hch: reapply the patch that got incorrectly reverted]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-29 06:51:57 -07:00
Christoph Hellwig e88958e636 net: handle NULL ->poll gracefully
The big aio poll revert broke various network protocols that don't
implement ->poll as a patch in the aio poll serie removed sock_no_poll
and made the common code handle this case.

Reported-by: syzbot+57727883dbad76db2ef0@syzkaller.appspotmail.com
Reported-by: syzbot+cdb0d3176b53d35ad454@syzkaller.appspotmail.com
Reported-by: syzbot+2c7e8f74f8b2571c87e8@syzkaller.appspotmail.com
Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Fixes: a11e1d432b ("Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-29 06:51:51 -07:00
Rafael J. Wysocki e27b4d4a7b Merge branch 'pm-domains'
Merge fixups for the recent extenstion of the generic power domains
(genpd) framework covering performance states.

* pm-domains:
  PM / Domains: Rename opp_node to np
  PM / Domains: Fix return value of of_genpd_opp_to_performance_state()
2018-06-29 09:54:20 +02:00
Wolfram Sang 12b731dd46 i2c: gpio: initialize SCL to HIGH again
It seems that during the conversion from gpio* to gpiod*, the initial
state of SCL was wrongly switched to LOW. Fix it to be HIGH again.

Fixes: 7bb75029ef ("i2c: gpio: Enforce open drain through gpiolib")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
2018-06-29 08:23:12 +02:00
Peter Rosin 9aa613674f i2c: smbus: kill memory leak on emulated and failed DMA SMBus xfers
If DMA safe memory was allocated, but the subsequent I2C transfer
fails the memory is leaked. Plug this leak.

Fixes: 8a77821e74 ("i2c: smbus: use DMA safe buffers for emulated SMBus transactions")
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
2018-06-29 08:19:52 +02:00
Wolfram Sang 2173ed0adc i2c: algos: bit: mention our experience about initial states
So, if somebody wants to re-implement this in the future, we pinpoint to
a problem case.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-06-29 08:19:51 +02:00
Wolfram Sang 2a2c8ee2d7 Revert "i2c: algo-bit: init the bus to a known state"
This reverts commit 3e5f06bed7. As per
bugzilla #200045, this caused a regression. I don't really see a way to
fix it without having the hardware. So, revert the patch and I will fix
the issue I was seeing originally in the i2c-gpio driver itself. I
couldn't find new users of this algorithm since, so there should be no
one depending on the new behaviour.

Reported-by: Sergey Larin <cerg2010cerg2010@mail.ru>
Fixes: 3e5f06bed7 ("i2c: algo-bit: init the bus to a known state")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Sergey Larin <cerg2010cerg2010@mail.ru>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
2018-06-29 08:19:41 +02:00
Jann Horn 0da74120c5 selinux: move user accesses in selinuxfs out of locked regions
If a user is accessing a file in selinuxfs with a pointer to a userspace
buffer that is backed by e.g. a userfaultfd, the userspace access can
stall indefinitely, which can block fsi->mutex if it is held.

For sel_read_policy(), remove the locking, since this method doesn't seem
to access anything that requires locking.

For sel_read_bool(), move the user access below the locked region.

For sel_write_bool() and sel_commit_bools_write(), move the user access
up above the locked region.

Cc: stable@vger.kernel.org
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
[PM: removed an unused variable in sel_read_policy()]
Signed-off-by: Paul Moore <paul@paul-moore.com>
2018-06-28 20:39:54 -04:00
Helge Deller 63ba82c0e6 parisc: Reduce debug output in unwind code
Signed-off-by: Helge Deller <deller@gmx.de>
2018-06-28 22:54:17 +02:00
Dave Airlie 2d8aa4ef6a drm-misc-fixes for v4.18-rc3:
- A single fix in meson for an unhandled error path in meson_drv_bind_master().
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Merge tag 'drm-misc-fixes-2018-06-28' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes for v4.18-rc3:
- A single fix in meson for an unhandled error path in meson_drv_bind_master().

Signed-off-by: Dave Airlie <airlied@redhat.com>

Link: https://patchwork.freedesktop.org/patch/msgid/fa740f31-5a8d-ed45-5e8a-aecd3f6f11b7@linux.intel.com
2018-06-29 06:25:08 +10:00
Dave Airlie d12bce954e Merge branch 'drm-fixes-4.18' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
A few fixes for 4.18:
- fix a read past the end of an array due to vega20 changes
- fix driver on systems with non-4K pages
- fix locking with pageflipping in DC that could lead to a sleep while atomic
- fix VCN firmware version reporting for upcoming firmware

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180628032641.2765-1-alexander.deucher@amd.com
2018-06-29 06:21:18 +10:00
Ross Zwisler dbc626597c dm: prevent DAX mounts if not supported
Currently device_supports_dax() just checks to see if the QUEUE_FLAG_DAX
flag is set on the device's request queue to decide whether or not the
device supports filesystem DAX.  Really we should be using
bdev_dax_supported() like filesystems do at mount time.  This performs
other tests like checking to make sure the dax_direct_access() path works.

We also explicitly clear QUEUE_FLAG_DAX on the DM device's request queue if
any of the underlying devices do not support DAX.  This makes the handling
of QUEUE_FLAG_DAX consistent with the setting/clearing of most other flags
in dm_table_set_restrictions().

Now that bdev_dax_supported() explicitly checks for QUEUE_FLAG_DAX, this
will ensure that filesystems built upon DM devices will only be able to
mount with DAX if all underlying devices also support DAX.

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Fixes: commit 545ed20e6d ("dm: add infrastructure for DAX support")
Cc: stable@vger.kernel.org
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2018-06-28 16:06:14 -04:00
Ross Zwisler 15256f6cc4 dax: check for QUEUE_FLAG_DAX in bdev_dax_supported()
Add an explicit check for QUEUE_FLAG_DAX to __bdev_dax_supported().  This
is needed for DM configurations where the first element in the dm-linear or
dm-stripe target supports DAX, but other elements do not.  Without this
check __bdev_dax_supported() will pass for such devices, letting a
filesystem on that device mount with the DAX option.

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Suggested-by: Mike Snitzer <snitzer@redhat.com>
Fixes: commit 545ed20e6d ("dm: add infrastructure for DAX support")
Cc: stable@vger.kernel.org
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2018-06-28 16:06:08 -04:00
Ross Zwisler 4557641b4c pmem: only set QUEUE_FLAG_DAX for fsdax mode
QUEUE_FLAG_DAX is an indication that a given block device supports
filesystem DAX and should not be set for PMEM namespaces which are in "raw"
mode.  These namespaces lack struct page and are prevented from
participating in filesystem DAX as of commit 569d0365f5 ("dax: require
'struct page' by default for filesystem dax").

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Suggested-by: Mike Snitzer <snitzer@redhat.com>
Fixes: 569d0365f5 ("dax: require 'struct page' by default for filesystem dax")
Cc: stable@vger.kernel.org
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2018-06-28 16:05:59 -04:00
Linus Torvalds 90368a37fb Printk changes for 4.18-rc3
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Merge tag 'printk-for-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

Pull printk fix from Petr Mladek:
 "Revert a commit that went in by mistake. I already have a better fix
  in the queue for 4.19"

* tag 'printk-for-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
  Revert "lib/test_printf.c: call wait_for_random_bytes() before plain %p tests"
2018-06-28 12:45:34 -07:00
Linus Torvalds e26aac3cae sound fixes for 4.18-rc3
Over a dozen of changes, but all small and clear fixes.
 A half of them are the regression fixes for CA0132 HD-audio codec,
 and the rest are, again, a few more fixups for HD-audio, two UBSAN
 fixes in the core ioctls, and a trivial fix in the error path
 handling in lx6464es driver.
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Merge tag 'sound-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Over a dozen changes, but all small and clear fixes.

  Half of them are the regression fixes for CA0132 HD-audio codec, and
  the rest are, again, a few more fixups for HD-audio, two UBSAN fixes
  in the core ioctls, and a trivial fix in the error path handling in
  lx6464es driver"

* tag 'sound-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: seq: Fix UBSAN warning at SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT ioctl
  ALSA: timer: Fix UBSAN warning at SNDRV_TIMER_IOCTL_NEXT_DEVICE ioctl
  ALSA: hda/realtek - Fix the problem of two front mics on more machines
  ALSA: hda/realtek - Add a quirk for FSC ESPRIMO U9210
  ALSA: hda/ca0132: make array ca0132_alt_chmaps static
  ALSA: hda - Force to link down at runtime suspend on ATI/AMD HDMI
  ALSA: lx6464es: Missing error code in snd_lx6464es_create()
  ALSA: hda/ca0132: Fix DMic data rate for Alienware M17x R4
  ALSA: hda/ca0132: Restore PCM Analog Mic-In2
  ALSA: hda/ca0132: Don't test for QUIRK_NONE
  ALSA: hda/ca0132: Restore behavior of QUIRK_ALIENWARE
  ALSA: hda/ca0132: Delete redundant UNSOL event requests
  ALSA: hda/ca0132: Delete pointless assignments to struct auto_pin_cfg fields
  ALSA: hda/realtek - Fix pop noise on Lenovo P50 & co
2018-06-28 12:43:37 -07:00
Linus Torvalds c7e1d692ea NAND fixes:
- Add a quirk for a bunch of broken Macronix chips
 - Fix nand_block_bad() when chip->ecc.read_oob() returns a positive
   value encoding the number of bitflips
 - Fix OOB handling in the MXC driver fo V2.1 controllers
 - Flag the ONFI_FEATURE_ON_DIE_ECC as supported in the Micron driver
 - Hardcode clk rate in the denali_dt driver to address a bad DT
   representation (the proper fix will be queued for 4.19)
 
 SPI NOR fixes:
 - Add an ULL constant to some ID definitions so that the ID is not
   truncated on 32-bit platforms
 
 MTD fixes:
 - Fix the sector unlocking logic in the CFI driver
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Merge tag 'mtd/fixes-for-4.18-rc3' of git://git.infradead.org/linux-mtd

Pull mtd fixes from Boris Brezillon:
 "NAND fixes:

   - add a quirk for a bunch of broken Macronix chips

   - fix nand_block_bad() when chip->ecc.read_oob() returns a positive
     value encoding the number of bitflips

   - fix OOB handling in the MXC driver fo V2.1 controllers

   - flag the ONFI_FEATURE_ON_DIE_ECC as supported in the Micron driver

   - hardcode clk rate in the denali_dt driver to address a bad DT
     representation (the proper fix will be queued for 4.19)

  SPI NOR fixes:

   - add an ULL constant to some ID definitions so that the ID is not
     truncated on 32-bit platforms

  MTD fixes:

   - fix the sector unlocking logic in the CFI driver"

* tag 'mtd/fixes-for-4.18-rc3' of git://git.infradead.org/linux-mtd:
  mtd: rawnand: denali_dt: set clk_x_rate to 200 MHz unconditionally
  mtd: dataflash: Use ULL suffix for 64-bit constants
  mtd: cfi_cmdset_0002: Avoid walking all chips when unlocking.
  mtd: cfi_cmdset_0002: Fix unlocking requests crossing a chip boudary
  mtd: cfi_cmdset_0002: fix SEGV unlocking multiple chips
  mtd: cfi_cmdset_0002: Use right chip in do_ppb_xxlock()
  mtd: rawnand: All AC chips have a broken GET_FEATURES(TIMINGS).
  mtd: rawnand: fix return value check for bad block status
  mtd: rawnand: mxc: set spare area size register explicitly
  mtd: rawnand: micron: add ONFI_FEATURE_ON_DIE_ECC to supported features
2018-06-28 12:31:59 -07:00
Linus Torvalds ea5f39f2f9 Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton:
 "7 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  proc: add Alexey to MAINTAINERS
  kasan: depend on CONFIG_SLUB_DEBUG
  include/linux/dax.h: dax_iomap_fault() returns vm_fault_t
  x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
  slub: fix failure when we delete and create a slab cache
  Revert mm/vmstat.c: fix vmstat_update() preemption BUG
  lib/percpu_ida.c: don't do alloc from per-CPU list if there is none
2018-06-28 11:42:56 -07:00
Alexey Dobriyan 008e682b5b proc: add Alexey to MAINTAINERS
I know I'll regret it.

Link: http://lkml.kernel.org/r/20180627194840.GA18113@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-28 11:16:44 -07:00
Jason A. Donenfeld dd275caf4a kasan: depend on CONFIG_SLUB_DEBUG
KASAN depends on having access to some of the accounting that SLUB_DEBUG
does; without it, there are immediate crashes [1].  So, the natural
thing to do is to make KASAN select SLUB_DEBUG.

[1] http://lkml.kernel.org/r/CAHmME9rtoPwxUSnktxzKso14iuVCWT7BE_-_8PAC=pGw1iJnQg@mail.gmail.com

Link: http://lkml.kernel.org/r/20180622154623.25388-1-Jason@zx2c4.com
Fixes: f9e13c0a5a ("slab, slub: skip unnecessary kasan_cache_shutdown()")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-28 11:16:44 -07:00
Souptick Joarder f77bc3a82c include/linux/dax.h: dax_iomap_fault() returns vm_fault_t
Commit 1c8f422059 ("mm: change return type to vm_fault_t") missed a
conversion.  It's not a big problem at present because mainline is still
using

	typedef int vm_fault_t;

Fixes: 1c8f422059 ("mm: change return type to vm_fault_t")
Link: http://lkml.kernel.org/r/20180620172046.GA27894@jordon-HP-15-Notebook-PC
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-28 11:16:44 -07:00
Naoya Horiguchi 124049decb x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
There is a kernel panic that is triggered when reading /proc/kpageflags
on the kernel booted with kernel parameter 'memmap=nn[KMG]!ss[KMG]':

  BUG: unable to handle kernel paging request at fffffffffffffffe
  PGD 9b20e067 P4D 9b20e067 PUD 9b210067 PMD 0
  Oops: 0000 [#1] SMP PTI
  CPU: 2 PID: 1728 Comm: page-types Not tainted 4.17.0-rc6-mm1-v4.17-rc6-180605-0816-00236-g2dfb086ef02c+ #160
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.fc28 04/01/2014
  RIP: 0010:stable_page_flags+0x27/0x3c0
  Code: 00 00 00 0f 1f 44 00 00 48 85 ff 0f 84 a0 03 00 00 41 54 55 49 89 fc 53 48 8b 57 08 48 8b 2f 48 8d 42 ff 83 e2 01 48 0f 44 c7 <48> 8b 00 f6 c4 01 0f 84 10 03 00 00 31 db 49 8b 54 24 08 4c 89 e7
  RSP: 0018:ffffbbd44111fde0 EFLAGS: 00010202
  RAX: fffffffffffffffe RBX: 00007fffffffeff9 RCX: 0000000000000000
  RDX: 0000000000000001 RSI: 0000000000000202 RDI: ffffed1182fff5c0
  RBP: ffffffffffffffff R08: 0000000000000001 R09: 0000000000000001
  R10: ffffbbd44111fed8 R11: 0000000000000000 R12: ffffed1182fff5c0
  R13: 00000000000bffd7 R14: 0000000002fff5c0 R15: ffffbbd44111ff10
  FS:  00007efc4335a500(0000) GS:ffff93a5bfc00000(0000) knlGS:0000000000000000
  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  CR2: fffffffffffffffe CR3: 00000000b2a58000 CR4: 00000000001406e0
  Call Trace:
   kpageflags_read+0xc7/0x120
   proc_reg_read+0x3c/0x60
   __vfs_read+0x36/0x170
   vfs_read+0x89/0x130
   ksys_pread64+0x71/0x90
   do_syscall_64+0x5b/0x160
   entry_SYSCALL_64_after_hwframe+0x44/0xa9
  RIP: 0033:0x7efc42e75e23
  Code: 09 00 ba 9f 01 00 00 e8 ab 81 f4 ff 66 2e 0f 1f 84 00 00 00 00 00 90 83 3d 29 0a 2d 00 00 75 13 49 89 ca b8 11 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 db d3 01 00 48 89 04 24

According to kernel bisection, this problem became visible due to commit
f7f99100d8 ("mm: stop zeroing memory during allocation in vmemmap")
which changes how struct pages are initialized.

Memblock layout affects the pfn ranges covered by node/zone.  Consider
that we have a VM with 2 NUMA nodes and each node has 4GB memory, and
the default (no memmap= given) memblock layout is like below:

  MEMBLOCK configuration:
   memory size = 0x00000001fff75c00 reserved size = 0x000000000300c000
   memory.cnt  = 0x4
   memory[0x0]     [0x0000000000001000-0x000000000009efff], 0x000000000009e000 bytes on node 0 flags: 0x0
   memory[0x1]     [0x0000000000100000-0x00000000bffd6fff], 0x00000000bfed7000 bytes on node 0 flags: 0x0
   memory[0x2]     [0x0000000100000000-0x000000013fffffff], 0x0000000040000000 bytes on node 0 flags: 0x0
   memory[0x3]     [0x0000000140000000-0x000000023fffffff], 0x0000000100000000 bytes on node 1 flags: 0x0
   ...

If you give memmap=1G!4G (so it just covers memory[0x2]),
the range [0x100000000-0x13fffffff] is gone:

  MEMBLOCK configuration:
   memory size = 0x00000001bff75c00 reserved size = 0x000000000300c000
   memory.cnt  = 0x3
   memory[0x0]     [0x0000000000001000-0x000000000009efff], 0x000000000009e000 bytes on node 0 flags: 0x0
   memory[0x1]     [0x0000000000100000-0x00000000bffd6fff], 0x00000000bfed7000 bytes on node 0 flags: 0x0
   memory[0x2]     [0x0000000140000000-0x000000023fffffff], 0x0000000100000000 bytes on node 1 flags: 0x0
   ...

This causes shrinking node 0's pfn range because it is calculated by the
address range of memblock.memory.  So some of struct pages in the gap
range are left uninitialized.

We have a function zero_resv_unavail() which does zeroing the struct pages
within the reserved unavailable range (i.e.  memblock.memory &&
!memblock.reserved).  This patch utilizes it to cover all unavailable
ranges by putting them into memblock.reserved.

Link: http://lkml.kernel.org/r/20180615072947.GB23273@hori1.linux.bs1.fc.nec.co.jp
Fixes: f7f99100d8 ("mm: stop zeroing memory during allocation in vmemmap")
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Tested-by: Oscar Salvador <osalvador@suse.de>
Tested-by: "Herton R. Krzesinski" <herton@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: Steven Sistare <steven.sistare@oracle.com>
Cc: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-28 11:16:44 -07:00
Mikulas Patocka d50d82faa0 slub: fix failure when we delete and create a slab cache
In kernel 4.17 I removed some code from dm-bufio that did slab cache
merging (commit 21bb13276768: "dm bufio: remove code that merges slab
caches") - both slab and slub support merging caches with identical
attributes, so dm-bufio now just calls kmem_cache_create and relies on
implicit merging.

This uncovered a bug in the slub subsystem - if we delete a cache and
immediatelly create another cache with the same attributes, it fails
because of duplicate filename in /sys/kernel/slab/.  The slub subsystem
offloads freeing the cache to a workqueue - and if we create the new
cache before the workqueue runs, it complains because of duplicate
filename in sysfs.

This patch fixes the bug by moving the call of kobject_del from
sysfs_slab_remove_workfn to shutdown_cache.  kobject_del must be called
while we hold slab_mutex - so that the sysfs entry is deleted before a
cache with the same attributes could be created.

Running device-mapper-test-suite with:

  dmtest run --suite thin-provisioning -n /commit_failure_causes_fallback/

triggered:

  Buffer I/O error on dev dm-0, logical block 1572848, async page read
  device-mapper: thin: 253:1: metadata operation 'dm_pool_alloc_data_block' failed: error = -5
  device-mapper: thin: 253:1: aborting current metadata transaction
  sysfs: cannot create duplicate filename '/kernel/slab/:a-0000144'
  CPU: 2 PID: 1037 Comm: kworker/u48:1 Not tainted 4.17.0.snitm+ #25
  Hardware name: Supermicro SYS-1029P-WTR/X11DDW-L, BIOS 2.0a 12/06/2017
  Workqueue: dm-thin do_worker [dm_thin_pool]
  Call Trace:
   dump_stack+0x5a/0x73
   sysfs_warn_dup+0x58/0x70
   sysfs_create_dir_ns+0x77/0x80
   kobject_add_internal+0xba/0x2e0
   kobject_init_and_add+0x70/0xb0
   sysfs_slab_add+0xb1/0x250
   __kmem_cache_create+0x116/0x150
   create_cache+0xd9/0x1f0
   kmem_cache_create_usercopy+0x1c1/0x250
   kmem_cache_create+0x18/0x20
   dm_bufio_client_create+0x1ae/0x410 [dm_bufio]
   dm_block_manager_create+0x5e/0x90 [dm_persistent_data]
   __create_persistent_data_objects+0x38/0x940 [dm_thin_pool]
   dm_pool_abort_metadata+0x64/0x90 [dm_thin_pool]
   metadata_operation_failed+0x59/0x100 [dm_thin_pool]
   alloc_data_block.isra.53+0x86/0x180 [dm_thin_pool]
   process_cell+0x2a3/0x550 [dm_thin_pool]
   do_worker+0x28d/0x8f0 [dm_thin_pool]
   process_one_work+0x171/0x370
   worker_thread+0x49/0x3f0
   kthread+0xf8/0x130
   ret_from_fork+0x35/0x40
  kobject_add_internal failed for :a-0000144 with -EEXIST, don't try to register things with the same name in the same directory.
  kmem_cache_create(dm_bufio_buffer-16) failed with error -17

Link: http://lkml.kernel.org/r/alpine.LRH.2.02.1806151817130.6333@file01.intranet.prod.int.rdu2.redhat.com
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Mike Snitzer <snitzer@redhat.com>
Tested-by: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-28 11:16:44 -07:00
Sebastian Andrzej Siewior 28557cc106 Revert mm/vmstat.c: fix vmstat_update() preemption BUG
Revert commit c7f26ccfb2 ("mm/vmstat.c: fix vmstat_update() preemption
BUG").  Steven saw a "using smp_processor_id() in preemptible" message
and added a preempt_disable() section around it to keep it quiet.  This
is not the right thing to do it does not fix the real problem.

vmstat_update() is invoked by a kworker on a specific CPU.  This worker
it bound to this CPU.  The name of the worker was "kworker/1:1" so it
should have been a worker which was bound to CPU1.  A worker which can
run on any CPU would have a `u' before the first digit.

smp_processor_id() can be used in a preempt-enabled region as long as
the task is bound to a single CPU which is the case here.  If it could
run on an arbitrary CPU then this is the problem we have an should seek
to resolve.

Not only this smp_processor_id() must not be migrated to another CPU but
also refresh_cpu_vm_stats() which might access wrong per-CPU variables.
Not to mention that other code relies on the fact that such a worker
runs on one specific CPU only.

Therefore revert that commit and we should look instead what broke the
affinity mask of the kworker.

Link: http://lkml.kernel.org/r/20180504104451.20278-1-bigeasy@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Steven J. Hill <steven.hill@cavium.com>
Cc: Tejun Heo <htejun@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-28 11:16:44 -07:00
Sebastian Andrzej Siewior 4bb6e96ab8 lib/percpu_ida.c: don't do alloc from per-CPU list if there is none
In commit 804209d8a0 ("lib/percpu_ida.c: use _irqsave() instead of
local_irq_save() + spin_lock") I inlined alloc_local_tag() and mixed up
the >= check from percpu_ida_alloc() with the one in alloc_local_tag().

Don't alloc from per-CPU freelist if ->nr_free is zero.

Link: http://lkml.kernel.org/r/20180613075830.c3zeva52fuj6fxxv@linutronix.de
Fixes: 804209d8a0 ("lib/percpu_ida.c: use _irqsave() instead of local_irq_save() + spin_lock")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reported-by: David Disseldorp <ddiss@suse.de>
Tested-by: David Disseldorp <ddiss@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Cc: Shaohua Li <shli@fb.com>
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-28 11:16:44 -07:00
Linus Torvalds a11e1d432b Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
The poll() changes were not well thought out, and completely
unexplained.  They also caused a huge performance regression, because
"->poll()" was no longer a trivial file operation that just called down
to the underlying file operations, but instead did at least two indirect
calls.

Indirect calls are sadly slow now with the Spectre mitigation, but the
performance problem could at least be largely mitigated by changing the
"->get_poll_head()" operation to just have a per-file-descriptor pointer
to the poll head instead.  That gets rid of one of the new indirections.

But that doesn't fix the new complexity that is completely unwarranted
for the regular case.  The (undocumented) reason for the poll() changes
was some alleged AIO poll race fixing, but we don't make the common case
slower and more complex for some uncommon special case, so this all
really needs way more explanations and most likely a fundamental
redesign.

[ This revert is a revert of about 30 different commits, not reverted
  individually because that would just be unnecessarily messy  - Linus ]

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-28 10:40:47 -07:00
oscardagrach a30449eb3a arm64: dts: hikey960: Define wl1837 power capabilities
These properties are required for compatibility with runtime PM.
Without these properties, MMC host controller will not be aware
of power capabilities. When the wlcore driver attempts to power
on the device, it will erroneously fail with -EACCES. This fixes
a regression found here: https://lkml.org/lkml/2018/6/12/930

Fixes: 60f36637bb ("wlcore: sdio: allow pm to handle sdio power")
Signed-off-by: Ryan Grachek <ryan@edited.us>
Tested-by: John Stultz <john.stultz@linaro.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Tested-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2018-06-28 17:07:44 +01:00
oscardagrach f904390ac8 arm64: dts: hikey: Define wl1835 power capabilities
These properties are required for compatibility with runtime PM.
Without these properties, MMC host controller will not be aware
of power capabilities. When the wlcore driver attempts to power
on the device, it will erroneously fail with -EACCES.

Fixes: 60f36637bb ("wlcore: sdio: allow pm to handle sdio power")
Signed-off-by: Ryan Grachek <ryan@edited.us>
Tested-by: John Stultz <john.stultz@linaro.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2018-06-28 17:05:51 +01:00
Bart Van Assche 297ba57dcd block: Fix cloning of requests with a special payload
This patch avoids that removing a path controlled by the dm-mpath driver
while mkfs is running triggers the following kernel bug:

    kernel BUG at block/blk-core.c:3347!
    invalid opcode: 0000 [#1] PREEMPT SMP KASAN
    CPU: 20 PID: 24369 Comm: mkfs.ext4 Not tainted 4.18.0-rc1-dbg+ #2
    RIP: 0010:blk_end_request_all+0x68/0x70
    Call Trace:
     <IRQ>
     dm_softirq_done+0x326/0x3d0 [dm_mod]
     blk_done_softirq+0x19b/0x1e0
     __do_softirq+0x128/0x60d
     irq_exit+0x100/0x110
     smp_call_function_single_interrupt+0x90/0x330
     call_function_single_interrupt+0xf/0x20
     </IRQ>

Fixes: f9d03f96b9 ("block: improve handling of the magic discard payload")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-06-28 09:51:30 -06:00
Helge Deller 2765b3edc4 parisc: Wire up io_pgetevents syscall
Signed-off-by: Helge Deller <deller@gmx.de>
2018-06-28 17:43:00 +02:00
Helge Deller 435d34c7a4 parisc: Default to 4 SMP CPUs
I haven't seen any real SMP machine yet with > 4 CPUs (we don't suport
SuperDomes yet), so reducing the default maximum number of CPUs may speed up
various bitop functions which depend on number of CPUs in the system.

bload-o-meter on a typical 64-bit kernel shows:

Data: add/remove: 0/0 grow/shrink: 0/10 up/down: 0/-3724 (-3724)
Total: Before=1910404, After=1906680, chg -0.19%

Code: add/remove: 0/2 grow/shrink: 42/38 up/down: 2320/-3500 (-1180)
Total: Before=11053099, After=11051919, chg -0.01%

Signed-off-by: Helge Deller <deller@gmx.de>
2018-06-28 17:34:43 +02:00
Andy Shevchenko 5e791d2e47 parisc: Convert printk(KERN_LEVEL) to pr_lvl()
Convert printk(KERN_LEVEL) type of calls to pr_lvl() macros.

While here,
  - convert printk() to pr_info()
  - join back string literal to be on one line
  - use %*phN (note, it gives 1 byte more for sake of simplicity)

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2018-06-28 17:14:44 +02:00
Helge Deller 1c971f39e6 parisc: Mark 16kB and 64kB page sizes BROKEN
A full boot only succeeds with 4kB page sizes currently.
For 16kB and 64kB page size support somone needs to fix the LBA PCI code
at least, so mark those broken for now.

Signed-off-by: Helge Deller <deller@gmx.de>
2018-06-28 17:12:24 +02:00
Helge Deller 704e383031 parisc: Drop struct sigaction from not exported header file
This header file isn't exported to userspace, so there is no benefit in
defining struct sigaction for userspace here.

Signed-off-by: Helge Deller <deller@gmx.de>
2018-06-28 17:10:58 +02:00
Sagi Grimberg 682630f00a nvme-rdma: fix possible double free of controller async event buffer
If reconnect/reset failed where the controller async event buffer
was freed, we might end up freeing it again as we call
nvme_rdma_destroy_admin_queue again in the remove path. Given that
the sequence is guaranteed to serialize by .ctrl_stop, we simply
set ctrl->async_event_sqe.data to NULL and don't free it in future
visits.

Reported-by: Max Gurtovoy <maxg@mellanox.com>
Tested-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-06-28 16:29:54 +02:00