platform/kernel/linux-rpi.git
4 years agoMerge tag '5.8-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Linus Torvalds [Sat, 4 Jul 2020 06:03:45 +0000 (23:03 -0700)]
Merge tag '5.8-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Eight cifs/smb3 fixes, most when specifying the multiuser mount flag.

  Five of the fixes are for stable"

* tag '5.8-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: prevent truncation from long to int in wait_for_free_credits
  cifs: Fix the target file was deleted when rename failed.
  SMB3: Honor 'posix' flag for multiuser mounts
  SMB3: Honor 'handletimeout' flag for multiuser mounts
  SMB3: Honor lease disabling for multiuser mounts
  SMB3: Honor persistent/resilient handle flags for multiuser mounts
  SMB3: Honor 'seal' flag for multiuser mounts
  cifs: Display local UID details for SMB sessions in DebugData

4 years agoMerge tag 'hwmon-for-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groec...
Linus Torvalds [Sat, 4 Jul 2020 00:28:16 +0000 (17:28 -0700)]
Merge tag 'hwmon-for-v5.8-rc4' of git://git./linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Fix typo in Kconfig SENSORS_IR35221 option

 - Fix potential memory leak in acpi_power_meter_add()

 - Make sure the OVERT mask is set correctly in max6697 driver

 - In PMBus core, fix page vs. register when accessing fans

 - Mark is_visible functions static in bt1-pvt driver

 - Define Temp- and Volt-to-N poly as maybe-unused in bt1-pvt driver

* tag 'hwmon-for-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (pmbus) fix a typo in Kconfig SENSORS_IR35221 option
  hwmon: (acpi_power_meter) Fix potential memory leak in acpi_power_meter_add()
  hwmon: (max6697) Make sure the OVERT mask is set correctly
  hwmon: (pmbus) Fix page vs. register when accessing fans
  hwmon: (bt1-pvt) Mark is_visible functions static
  hwmon: (bt1-pvt) Define Temp- and Volt-to-N poly as maybe-unused

4 years agoMerge branch 'akpm' (patches from Andrew)
Linus Torvalds [Sat, 4 Jul 2020 00:23:50 +0000 (17:23 -0700)]
Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "Subsystems affected by this patch series: mm/hugetlb, samples, mm/cma,
  mm/vmalloc, mm/pagealloc"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm/page_alloc: fix documentation error
  vmalloc: fix the owner argument for the new __vmalloc_node_range callers
  mm/cma.c: use exact_nid true to fix possible per-numa cma leak
  samples/vfs: avoid warning in statx override
  mm/hugetlb.c: fix pages per hugetlb calculation

4 years agomm/page_alloc: fix documentation error
Joel Savitz [Fri, 3 Jul 2020 22:15:30 +0000 (15:15 -0700)]
mm/page_alloc: fix documentation error

When I increased the upper bound of the min_free_kbytes value in
ee8eb9a5fe863 ("mm/page_alloc: increase default min_free_kbytes bound") I
forgot to tweak the above comment to reflect the new value.  This patch
fixes that mistake.

Signed-off-by: Joel Savitz <jsavitz@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Rafael Aquini <aquini@redhat.com>
Cc: Fabrizio D'Angelo <fdangelo@redhat.com>
Link: http://lkml.kernel.org/r/20200624221236.29560-1-jsavitz@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
4 years agovmalloc: fix the owner argument for the new __vmalloc_node_range callers
Christoph Hellwig [Fri, 3 Jul 2020 22:15:27 +0000 (15:15 -0700)]
vmalloc: fix the owner argument for the new __vmalloc_node_range callers

Fix the recently added new __vmalloc_node_range callers to pass the
correct values as the owner for display in /proc/vmallocinfo.

Fixes: 800e26b81311 ("x86/hyperv: allocate the hypercall page with only read and execute bits")
Fixes: 10d5e97c1bf8 ("arm64: use PAGE_KERNEL_ROX directly in alloc_insn_page")
Fixes: 7a0e27b2a0ce ("mm: remove vmalloc_exec")
Reported-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200627075649.2455097-1-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
4 years agomm/cma.c: use exact_nid true to fix possible per-numa cma leak
Barry Song [Fri, 3 Jul 2020 22:15:24 +0000 (15:15 -0700)]
mm/cma.c: use exact_nid true to fix possible per-numa cma leak

Calling cma_declare_contiguous_nid() with false exact_nid for per-numa
reservation can easily cause cma leak and various confusion.  For example,
mm/hugetlb.c is trying to reserve per-numa cma for gigantic pages.  But it
can easily leak cma and make users confused when system has memoryless
nodes.

In case the system has 4 numa nodes, and only numa node0 has memory.  if
we set hugetlb_cma=4G in bootargs, mm/hugetlb.c will get 4 cma areas for 4
different numa nodes.  since exact_nid=false in current code, all 4 numa
nodes will get cma successfully from node0, but hugetlb_cma[1 to 3] will
never be available to hugepage will only allocate memory from
hugetlb_cma[0].

In case the system has 4 numa nodes, both numa node0&2 has memory, other
nodes have no memory.  if we set hugetlb_cma=4G in bootargs, mm/hugetlb.c
will get 4 cma areas for 4 different numa nodes.  since exact_nid=false in
current code, all 4 numa nodes will get cma successfully from node0 or 2,
but hugetlb_cma[1] and [3] will never be available to hugepage as
mm/hugetlb.c will only allocate memory from hugetlb_cma[0] and
hugetlb_cma[2].  This causes permanent leak of the cma areas which are
supposed to be used by memoryless node.

Of cource we can workaround the issue by letting mm/hugetlb.c scan all cma
areas in alloc_gigantic_page() even node_mask includes node0 only.  that
means when node_mask includes node0 only, we can get page from
hugetlb_cma[1] to hugetlb_cma[3].  But this will cause kernel crash in
free_gigantic_page() while it wants to free page by:
cma_release(hugetlb_cma[page_to_nid(page)], page, 1 << order)

On the other hand, exact_nid=false won't consider numa distance, it might
be not that useful to leverage cma areas on remote nodes.  I feel it is
much simpler to make exact_nid true to make everything clear.  After that,
memoryless nodes won't be able to reserve per-numa CMA from other nodes
which have memory.

Fixes: cf11e85fc08c ("mm: hugetlb: optionally allocate gigantic hugepages using cma")
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Aslan Bakirov <aslan@fb.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Andreas Schaufler <andreas.schaufler@gmx.de>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200628074345.27228-1-song.bao.hua@hisilicon.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
4 years agosamples/vfs: avoid warning in statx override
Kees Cook [Fri, 3 Jul 2020 22:15:21 +0000 (15:15 -0700)]
samples/vfs: avoid warning in statx override

Something changed recently to uncover this warning:

  samples/vfs/test-statx.c:24:15: warning: `struct foo' declared inside parameter list will not be visible outside of this definition or declaration
     24 | #define statx foo
        |               ^~~

Which is due the use of "struct statx" (here, "struct foo") in a function
prototype argument list before it has been defined:

 int
 # 56 "/usr/include/x86_64-linux-gnu/bits/statx-generic.h"
    foo
 # 56 "/usr/include/x86_64-linux-gnu/bits/statx-generic.h" 3 4
          (int __dirfd, const char *__restrict __path, int __flags,
            unsigned int __mask, struct
 # 57 "/usr/include/x86_64-linux-gnu/bits/statx-generic.h"
                                       foo
 # 57 "/usr/include/x86_64-linux-gnu/bits/statx-generic.h" 3 4
                                             *__restrict __buf)
   __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2, 5)));

Add explicit struct before #include to avoid warning.

Fixes: f1b5618e013a ("vfs: Add a sample program for the new mount API")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: David Howells <dhowells@redhat.com>
Link: http://lkml.kernel.org/r/202006282213.C516EA6@keescook
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
4 years agomm/hugetlb.c: fix pages per hugetlb calculation
Mike Kravetz [Fri, 3 Jul 2020 22:15:18 +0000 (15:15 -0700)]
mm/hugetlb.c: fix pages per hugetlb calculation

The routine hpage_nr_pages() was incorrectly used to calculate the number
of base pages in a hugetlb page.  hpage_nr_pages is designed to be called
for THP pages and will return HPAGE_PMD_NR for hugetlb pages of any size.

Due to the context in which hpage_nr_pages was called, it is unlikely to
produce a user visible error.  The routine with the incorrect call is only
exercised in the case of hugetlb memory error or migration.  In addition,
this would need to be on an architecture which supports huge page sizes
less than PMD_SIZE.  And, the vma containing the huge page would also need
to smaller than PMD_SIZE.

Fixes: c0d0381ade79 ("hugetlbfs: use i_mmap_rwsem for more pmd sharing synchronization")
Reported-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200629185003.97202-1-mike.kravetz@oracle.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
4 years agoMerge tag 'xfs-5.8-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Linus Torvalds [Fri, 3 Jul 2020 21:46:46 +0000 (14:46 -0700)]
Merge tag 'xfs-5.8-fixes-1' of git://git./fs/xfs/xfs-linux

Pull xfs fix from Darrick Wong:
 "Fix a use-after-free bug when the fs shuts down"

* tag 'xfs-5.8-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: fix use-after-free on CIL context on shutdown

4 years agoMerge tag 'pci-v5.8-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Linus Torvalds [Fri, 3 Jul 2020 19:14:51 +0000 (12:14 -0700)]
Merge tag 'pci-v5.8-fixes-1' of git://git./linux/kernel/git/helgaas/pci

Pull PCI fix from Bjorn Helgaas:
 "Fix a pcie_find_root_port() simplification that broke power management
  because it didn't handle the edge case of finding the Root Port of a
  Root Port itself (Mika Westerberg)""

* tag 'pci-v5.8-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Make pcie_find_root_port() work for Root Ports

4 years agoMerge tag 'acpi-5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
Linus Torvalds [Fri, 3 Jul 2020 19:11:18 +0000 (12:11 -0700)]
Merge tag 'acpi-5.8-rc4' of git://git./linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "Add a new device ID for Intel Tiger Lake to the DPTF battery
  participant driver (Srinivas Pandruvada) and fix the Tiger Lake fan
  device ID (Sumeet Pawnikar)"

* tag 'acpi-5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: fan: Fix Tiger Lake ACPI device ID
  ACPI: DPTF: Add battery participant for TigerLake

4 years agoMerge tag 'gfs2-v5.8-rc3.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 3 Jul 2020 19:01:04 +0000 (12:01 -0700)]
Merge tag 'gfs2-v5.8-rc3.fixes' of git://git./linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 fixes from Andreas Gruenbacher:
 "Various gfs2 fixes"

* tag 'gfs2-v5.8-rc3.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: The freeze glock should never be frozen
  gfs2: When freezing gfs2, use GL_EXACT and not GL_NOCACHE
  gfs2: read-only mounts should grab the sd_freeze_gl glock
  gfs2: freeze should work on read-only mounts
  gfs2: eliminate GIF_ORDERED in favor of list_empty
  gfs2: Don't sleep during glock hash walk
  gfs2: fix trans slab error when withdraw occurs inside log_flush
  gfs2: Don't return NULL from gfs2_inode_lookup

4 years agoMerge tag 'drm-fixes-2020-07-03' of git://anongit.freedesktop.org/drm/drm
Linus Torvalds [Fri, 3 Jul 2020 18:39:30 +0000 (11:39 -0700)]
Merge tag 'drm-fixes-2020-07-03' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Pretty usual rc4 pull: two usual amdgpu, i915 pulls, and some misc arm
  driver fixes.

  The bigger bit is including the asm sources for some GPU shaders that
  were contained in the i915 driver, otherwise it's pretty much business
  as usual.

  dma-buf:
   - fix a use-after-free bug

  amdgpu:
   - Fix for vega20 boards without RAS support
   - DC bandwidth revalidation fix
   - Fix Renoir vram info fetching
   - Fix hwmon freq printing

  i915:
   - GVT fixes
      - Two missed MMIO handler fixes for SKL/CFL
      - Fix mask register bits check
      - Fix one lockdep error for debugfs entry access
   - Include asm sources for render cache clear batches

  msm:
   - memleak fix
   - display block fix
   - address space fixes

  exynos:
   - error value and reference count fix
   - error print removal

  sun4i:
   - remove HPD polling"

* tag 'drm-fixes-2020-07-03' of git://anongit.freedesktop.org/drm/drm: (22 commits)
  drm/amdgpu: use %u rather than %d for sclk/mclk
  drm/amdgpu/atomfirmware: fix vram_info fetching for renoir
  drm/amd/display: Only revalidate bandwidth on medium and fast updates
  drm: sun4i: hdmi: Remove extra HPD polling
  drm/i915: Include asm sources for {ivb, hsw}_clear_kernel.c
  drm/exynos: fix ref count leak in mic_pre_enable
  drm/exynos: Properly propagate return value in drm_iommu_attach_device()
  drm/exynos: Remove dev_err() on platform_get_irq() failure
  drm/amd/powerplay: Fix NULL dereference in lock_bus() on Vega20 w/o RAS
  dma-buf: Move dma_buf_release() from fops to dentry_ops
  drm/msm: Fix up the rest of the messed up address sizes
  drm/msm: Fix setup of a6xx create_address_space.
  drm/msm: Fix address space size after refactor.
  drm/i915/gvt: Use GFP_ATOMIC instead of GFP_KERNEL in atomic context
  drm/i915/gvt: Fix incorrect check of enabled bits in mask registers
  drm/i915/gvt: Fix two CFL MMIO handling caused by regression.
  drm/i915/gvt: Add one missing MMIO handler for D_SKL_PLUS
  drm/msm: Fix 0xfffflub in "Refactor address space initialization"
  drm/msm/dpu: allow initialization of encoder locks during encoder init
  drm/msm/dpu: fix error return code in dpu_encoder_init
  ...

4 years agoMerge branch 'acpi-fan'
Rafael J. Wysocki [Fri, 3 Jul 2020 14:15:31 +0000 (16:15 +0200)]
Merge branch 'acpi-fan'

* acpi-fan:
  ACPI: fan: Fix Tiger Lake ACPI device ID

4 years agogfs2: The freeze glock should never be frozen
Bob Peterson [Thu, 25 Jun 2020 19:42:17 +0000 (14:42 -0500)]
gfs2: The freeze glock should never be frozen

Before this patch, some gfs2 code locked the freeze glock with LM_FLAG_NOEXP
(Do not freeze) flag, and some did not. We never want to freeze the freeze
glock, so this patch makes it consistently use LM_FLAG_NOEXP always.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
4 years agogfs2: When freezing gfs2, use GL_EXACT and not GL_NOCACHE
Bob Peterson [Thu, 25 Jun 2020 18:30:52 +0000 (13:30 -0500)]
gfs2: When freezing gfs2, use GL_EXACT and not GL_NOCACHE

Before this patch, the freeze code in gfs2 specified GL_NOCACHE in
several places. That's wrong because we always want to know the state
of whether the file system is frozen.

There was also a problem with freeze/thaw transitioning the glock from
frozen (EX) to thawed (SH) because gfs2 will normally grant glocks in EX
to processes that request it in SH mode, unless GL_EXACT is specified.
Therefore, the freeze/thaw code, which tried to reacquire the glock in
SH mode would get the glock in EX mode, and miss the transition from EX
to SH. That made it think the thaw had completed normally, but since the
glock was still cached in EX, other nodes could not freeze again.

This patch removes the GL_NOCACHE flag to allow the freeze glock to be
cached. It also adds the GL_EXACT flag so the glock is fully transitioned
from EX to SH, thereby allowing future freeze operations.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
4 years agogfs2: read-only mounts should grab the sd_freeze_gl glock
Bob Peterson [Thu, 25 Jun 2020 18:30:18 +0000 (13:30 -0500)]
gfs2: read-only mounts should grab the sd_freeze_gl glock

Before this patch, only read-write mounts would grab the freeze
glock in read-only mode, as part of gfs2_make_fs_rw. So the freeze
glock was never initialized. That meant requests to freeze, which
request the glock in EX, were granted without any state transition.
That meant you could mount a gfs2 file system, which is currently
frozen on a different cluster node, in read-only mode.

This patch makes read-only mounts lock the freeze glock in SH mode,
which will block for file systems that are frozen on another node.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
4 years agogfs2: freeze should work on read-only mounts
Bob Peterson [Thu, 25 Jun 2020 18:29:44 +0000 (13:29 -0500)]
gfs2: freeze should work on read-only mounts

Before this patch, function freeze_go_sync, called when promoting
the freeze glock, was testing for the SDF_JOURNAL_LIVE superblock flag.
That's only set for read-write mounts. Read-only mounts don't use a
journal, so the bit is never set, so the freeze never happened.

This patch removes the check for SDF_JOURNAL_LIVE for freeze requests
but still checks it when deciding whether to flush a journal.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
4 years agogfs2: eliminate GIF_ORDERED in favor of list_empty
Bob Peterson [Wed, 17 Jun 2020 12:47:34 +0000 (07:47 -0500)]
gfs2: eliminate GIF_ORDERED in favor of list_empty

In several places, we used the GIF_ORDERED inode flag to determine
if an inode was on the ordered writes list. However, since we always
held the sd_ordered_lock spin_lock during the manipulation, we can
just as easily check list_empty(&ip->i_ordered) instead.
This allows us to keep more than one ordered writes list to make
journal writing improvements.

This patch eliminates GIF_ORDERED in favor of checking list_empty.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
4 years agoMerge tag 'm68knommu-for-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 3 Jul 2020 05:56:29 +0000 (22:56 -0700)]
Merge tag 'm68knommu-for-v5.8-rc4' of git://git./linux/kernel/git/gerg/m68knommu

Pull m68knommu mm fixes from Greg Ungerer:
 "Two critical mm related fixes that affect booting of m68k/ColdFire
  devices.

  Both fix problems caused by recent system init memblock changes"

* tag 'm68knommu-for-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: mm: fix node memblock init
  m68k: nommu: register start of the memory with memblock

4 years agoMerge tag 'devicetree-fixes-for-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 3 Jul 2020 05:46:05 +0000 (22:46 -0700)]
Merge tag 'devicetree-fixes-for-5.8-2' of git://git./linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Sync dtc to upstream to pick up fixes for I2C bus checks and quiet
   warnings

 - Various fixes for DT binding check warnings

 - A couple of build fixes/improvements for binding checks

 - ReST formatting improvements for writing-schema.rst

 - Document reference fixes

* tag 'devicetree-fixes-for-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: clock: imx: Fix e-mail address
  dt-bindings: thermal: k3: Fix the reg property
  dt-bindings: thermal: Remove soc unit address
  dt-bindings: display: arm: versatile: Pass the sysreg unit name
  dt-bindings: usb: aspeed: Remove the leading zeroes
  dt-bindings: copy process-schema-examples.yaml to process-schema.yaml
  dt-bindings: do not build processed-schema.yaml for 'make dt_binding_check'
  dt-bindings: fix error in 'make clean' after 'make dt_binding_check'
  dt-bindings: mailbox: zynqmp_ipi: fix unit address
  dt-bindings: bus: uniphier-system-bus: fix warning in example
  scripts/dtc: Update to upstream version v1.6.0-11-g9d7888cbf19c
  doc: devicetree: bindings: fix spelling mistake
  docs: dt: minor adjustments at writing-schema.rst
  dt: fix reference to olpc,xo1.75-ec.txt
  dt: Fix broken references to renamed docs
  dt: fix broken links due to txt->yaml renames
  dt: update a reference for reneases pcar file renamed to yaml

4 years agoMerge tag 'for-linus-2020-07-02' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 3 Jul 2020 05:40:06 +0000 (22:40 -0700)]
Merge tag 'for-linus-2020-07-02' of git://git./linux/kernel/git/brauner/linux

Pull data race annotation from Christian Brauner:
 "This contains an annotation patch for a data race in copy_process()
  reported by KCSAN when reading and writing nr_threads.

  The data race is intentional and benign. This is obvious from the
  comment above the relevant code and based on general consensus when
  discussing this issue. So simply using data_race() to annotate this as
  an intentional race seems the best option"

* tag 'for-linus-2020-07-02' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
  fork: annotate data race in copy_process()

4 years agoMerge tag 'tpmdd-next-v5.8-rc4' of git://git.infradead.org/users/jjs/linux-tpmdd
Linus Torvalds [Fri, 3 Jul 2020 05:36:19 +0000 (22:36 -0700)]
Merge tag 'tpmdd-next-v5.8-rc4' of git://git.infradead.org/users/jjs/linux-tpmdd

Pull tpm fixes from Jarkko Sakkinen:
 "These are just fixes for bugs found lately.

  All of them are small scale things here and there, and all of them are
  for previous kernel releases (the oldest appeared in v2.6.17)"

* tag 'tpmdd-next-v5.8-rc4' of git://git.infradead.org/users/jjs/linux-tpmdd:
  tpm_tis: Remove the HID IFX0102
  tpm_tis_spi: Prefer async probe
  tpm: ibmvtpm: Wait for ready buffer before probing for TPM2 attributes
  tpm/st33zp24: fix spelling mistake "drescription" -> "description"
  tpm_tis: extra chip->ops check on error path in tpm_tis_core_init
  tpm_tis_spi: Don't send anything during flow control
  tpm: Fix TIS locality timeout problems

4 years agoMerge tag 'linux-kselftest-fixes-5.8-rc4' of git://git.kernel.org/pub/scm/linux/kerne...
Linus Torvalds [Fri, 3 Jul 2020 04:53:16 +0000 (21:53 -0700)]
Merge tag 'linux-kselftest-fixes-5.8-rc4' of git://git./linux/kernel/git/shuah/linux-kselftest

Pull kselftest fixes from Shuah Khan:
 "tpm test fixes from Jarkko Sakkinen"

* tag 'linux-kselftest-fixes-5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: tpm: Use /bin/sh instead of /bin/bash
  selftests: tpm: Use 'test -e' instead of 'test -f'
  Revert "tpm: selftest: cleanup after unseal with wrong auth/policy test"

4 years agoMerge tag 'linux-kselftest-kunit-fixes-5.8-rc4' of git://git.kernel.org/pub/scm/linux...
Linus Torvalds [Fri, 3 Jul 2020 04:49:26 +0000 (21:49 -0700)]
Merge tag 'linux-kselftest-kunit-fixes-5.8-rc4' of git://git./linux/kernel/git/shuah/linux-kselftest

Pull kunit fixes from Shuah Khan
 "Fixes for build and run-times failures.

  Also includes troubleshooting tips updates to kunit user
  documentation"

* tag 'linux-kselftest-kunit-fixes-5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  Documentation: kunit: Add some troubleshooting tips to the FAQ
  kunit: kunit_tool: Fix invalid result when build fails
  kunit: show error if kunit results are not present
  kunit: kunit_config: Fix parsing of CONFIG options with space

4 years agoMerge tag 'nfsd-5.8-1' of git://linux-nfs.org/~bfields/linux
Linus Torvalds [Fri, 3 Jul 2020 03:35:33 +0000 (20:35 -0700)]
Merge tag 'nfsd-5.8-1' of git://linux-nfs.org/~bfields/linux

Pull nfsd fixes from Bruce Fields:
 "Fixes for a umask bug on exported filesystems lacking ACL support, a
  leak and a module unloading bug in the /proc/fs/nfsd/clients/ code,
  and a compile warning"

* tag 'nfsd-5.8-1' of git://linux-nfs.org/~bfields/linux:
  SUNRPC: Add missing definition of ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
  nfsd: fix nfsdfs inode reference count leak
  nfsd4: fix nfsdfs reference count loop
  nfsd: apply umask on fs without ACL support

4 years agoMerge tag 'drm-misc-fixes-2020-07-02' of git://anongit.freedesktop.org/drm/drm-misc...
Dave Airlie [Fri, 3 Jul 2020 01:18:06 +0000 (11:18 +1000)]
Merge tag 'drm-misc-fixes-2020-07-02' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

 * dma-buf: fix a use-after-free bug

 * sun4i: remove HPD polling

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200702075143.GA25040@linux-uq9g
4 years agohwmon: (pmbus) fix a typo in Kconfig SENSORS_IR35221 option
Tao Ren [Thu, 2 Jul 2020 22:13:49 +0000 (15:13 -0700)]
hwmon: (pmbus) fix a typo in Kconfig SENSORS_IR35221 option

Fix a typo in SENSORS_IR35221 option: module name should be "ir35221"
instead of "ir35521".

Fixes: 8991ebd9c9a6 ("hwmon: (pmbus) Add client driver for IR35221")

Cc: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200702221349.18139-1-rentao.bupt@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
4 years agoMerge tag 'block-5.8-2020-07-01' of git://git.kernel.dk/linux-block
Linus Torvalds [Thu, 2 Jul 2020 22:13:51 +0000 (15:13 -0700)]
Merge tag 'block-5.8-2020-07-01' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - Use kvfree_sensitive() for the block keyslot free (Eric)

 - Sync blk-mq debugfs flags (Hou)

 - Memory leak fix in virtio-blk error path (Hou)

* tag 'block-5.8-2020-07-01' of git://git.kernel.dk/linux-block:
  virtio-blk: free vblk-vqs in error path of virtblk_probe()
  block/keyslot-manager: use kvfree_sensitive()
  blk-mq-debugfs: update blk_queue_flag_name[] accordingly for new flags

4 years agoMerge tag 'io_uring-5.8-2020-07-01' of git://git.kernel.dk/linux-block
Linus Torvalds [Thu, 2 Jul 2020 21:56:22 +0000 (14:56 -0700)]
Merge tag 'io_uring-5.8-2020-07-01' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:
 "One fix in here, for a regression in 5.7 where a task is waiting in
  the kernel for a condition, but that condition won't become true until
  task_work is run. And the task_work can't be run exactly because the
  task is waiting in the kernel, so we'll never make any progress.

  One example of that is registering an eventfd and queueing io_uring
  work, and then the task goes and waits in eventfd read with the
  expectation that it'll get woken (and read an event) when the io_uring
  request completes. The io_uring request is finished through task_work,
  which won't get run while the task is looping in eventfd read"

* tag 'io_uring-5.8-2020-07-01' of git://git.kernel.dk/linux-block:
  io_uring: use signal based task_work running
  task_work: teach task_work_add() to do signal_wake_up()

4 years agotpm_tis: Remove the HID IFX0102
Jarkko Sakkinen [Thu, 25 Jun 2020 02:31:11 +0000 (05:31 +0300)]
tpm_tis: Remove the HID IFX0102

Acer C720 running Linux v5.3 reports this in klog:

tpm_tis: 1.2 TPM (device-id 0xB, rev-id 16)
tpm tpm0: tpm_try_transmit: send(): error -5
tpm tpm0: A TPM error (-5) occurred attempting to determine the timeouts
tpm_tis tpm_tis: Could not get TPM timeouts and durations
tpm_tis 00:08: 1.2 TPM (device-id 0xB, rev-id 16)
tpm tpm0: tpm_try_transmit: send(): error -5
tpm tpm0: A TPM error (-5) occurred attempting to determine the timeouts
tpm_tis 00:08: Could not get TPM timeouts and durations
ima: No TPM chip found, activating TPM-bypass!
tpm_inf_pnp 00:08: Found TPM with ID IFX0102

% git --no-pager grep IFX0102 drivers/char/tpm
drivers/char/tpm/tpm_infineon.c: {"IFX0102", 0},
drivers/char/tpm/tpm_tis.c: {"IFX0102", 0}, /* Infineon */

Obviously IFX0102 was added to the HID table for the TCG TIS driver by
mistake.

Fixes: 93e1b7d42e1e ("[PATCH] tpm: add HID module parameter")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=203877
Cc: stable@vger.kernel.org
Cc: Kylene Jo Hall <kjhall@us.ibm.com>
Reported-by: Ferry Toth: <ferry.toth@elsinga.info>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
4 years agotpm_tis_spi: Prefer async probe
Douglas Anderson [Fri, 19 Jun 2020 21:20:01 +0000 (14:20 -0700)]
tpm_tis_spi: Prefer async probe

On a Chromebook I'm working on I noticed a big (~1 second) delay
during bootup where nothing was happening.  Right around this big
delay there were messages about the TPM:

[    2.311352] tpm_tis_spi spi0.0: TPM ready IRQ confirmed on attempt 2
[    3.332790] tpm_tis_spi spi0.0: Cr50 firmware version: ...

I put a few printouts in and saw that tpm_tis_spi_init() (specifically
tpm_chip_register() in that function) was taking the lion's share of
this time, though ~115 ms of the time was in cr50_print_fw_version().

Let's make a one-line change to prefer async probe for tpm_tis_spi.
There's no reason we need to block other drivers from probing while we
load.

NOTES:
* It's possible that other hardware runs through the init sequence
  faster than Cr50 and this isn't such a big problem for them.
  However, even if they are faster they are still doing _some_
  transfers over a SPI bus so this should benefit everyone even if to
  a lesser extent.
* It's possible that there are extra delays in the code that could be
  optimized out.  I didn't dig since once I enabled async probe they
  no longer impacted me.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
4 years agotpm: ibmvtpm: Wait for ready buffer before probing for TPM2 attributes
David Gibson [Fri, 19 Jun 2020 03:30:40 +0000 (13:30 +1000)]
tpm: ibmvtpm: Wait for ready buffer before probing for TPM2 attributes

The tpm2_get_cc_attrs_tbl() call will result in TPM commands being issued,
which will need the use of the internal command/response buffer.  But,
we're issuing this *before* we've waited to make sure that buffer is
allocated.

This can result in intermittent failures to probe if the hypervisor / TPM
implementation doesn't respond quickly enough.  I find it fails almost
every time with an 8 vcpu guest under KVM with software emulated TPM.

To fix it, just move the tpm2_get_cc_attrs_tlb() call after the
existing code to wait for initialization, which will ensure the buffer
is allocated.

Fixes: 18b3670d79ae9 ("tpm: ibmvtpm: Add support for TPM2")
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
4 years agotpm/st33zp24: fix spelling mistake "drescription" -> "description"
Binbin Zhou [Wed, 17 Jun 2020 01:00:38 +0000 (09:00 +0800)]
tpm/st33zp24: fix spelling mistake "drescription" -> "description"

Trivial fix, the spelling of "drescription" is incorrect
in function comment.

Fix this.

Signed-off-by: Binbin Zhou <zhoubinbin@uniontech.com>
Acked-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
4 years agotpm_tis: extra chip->ops check on error path in tpm_tis_core_init
Vasily Averin [Sat, 13 Jun 2020 14:18:33 +0000 (17:18 +0300)]
tpm_tis: extra chip->ops check on error path in tpm_tis_core_init

Found by smatch:
drivers/char/tpm/tpm_tis_core.c:1088 tpm_tis_core_init() warn:
 variable dereferenced before check 'chip->ops' (see line 979)

'chip->ops' is assigned in the beginning of function
in tpmm_chip_alloc->tpm_chip_alloc
and is used before first possible goto to error path.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
4 years agotpm_tis_spi: Don't send anything during flow control
Douglas Anderson [Thu, 28 May 2020 22:19:30 +0000 (15:19 -0700)]
tpm_tis_spi: Don't send anything during flow control

During flow control we are just reading from the TPM, yet our spi_xfer
has the tx_buf and rx_buf both non-NULL which means we're requesting a
full duplex transfer.

SPI is always somewhat of a full duplex protocol anyway and in theory
the other side shouldn't really be looking at what we're sending it
during flow control, but it's still a bit ugly to be sending some
"random" data when we shouldn't.

The default tpm_tis_spi_flow_control() tries to address this by
setting 'phy->iobuf[0] = 0'.  This partially avoids the problem of
sending "random" data, but since our tx_buf and rx_buf both point to
the same place I believe there is the potential of us sending the
TPM's previous byte back to it if we hit the retry loop.

Another flow control implementation, cr50_spi_flow_control(), doesn't
address this at all.

Let's clean this up and just make the tx_buf NULL before we call
flow_control().  Not only does this ensure that we're not sending any
"random" bytes but it also possibly could make the SPI controller
behave in a slightly more optimal way.

NOTE: no actual observed problems are fixed by this patch--it's was
just made based on code inspection.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
4 years agotpm: Fix TIS locality timeout problems
James Bottomley [Thu, 28 May 2020 18:10:57 +0000 (11:10 -0700)]
tpm: Fix TIS locality timeout problems

It has been reported that some TIS based TPMs are giving unexpected
errors when using the O_NONBLOCK path of the TPM device. The problem
is that some TPMs don't like it when you get and then relinquish a
locality (as the tpm_try_get_ops()/tpm_put_ops() pair does) without
sending a command.  This currently happens all the time in the
O_NONBLOCK write path. Fix this by moving the tpm_try_get_ops()
further down the code to after the O_NONBLOCK determination is made.
This is safe because the priv->buffer_mutex still protects the priv
state being modified.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=206275
Fixes: d23d12484307 ("tpm: fix invalid locking in NONBLOCKING mode")
Reported-by: Mario Limonciello <Mario.Limonciello@dell.com>
Tested-by: Alex Guzman <alex@guzman.io>
Cc: stable@vger.kernel.org
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
4 years agoMerge tag 'amd-drm-fixes-5.8-2020-07-01' of git://people.freedesktop.org/~agd5f/linux...
Dave Airlie [Thu, 2 Jul 2020 04:50:59 +0000 (14:50 +1000)]
Merge tag 'amd-drm-fixes-5.8-2020-07-01' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

amd-drm-fixes-5.8-2020-07-01:

amdgpu:
- Fix for vega20 boards without RAS support
- DC bandwidth revalidation fix
- Fix Renoir vram info fetching
- Fix hwmon freq printing

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200701194415.4065-1-alexander.deucher@amd.com
4 years agoMerge tag 'drm-intel-fixes-2020-07-01' of git://anongit.freedesktop.org/drm/drm-intel...
Dave Airlie [Thu, 2 Jul 2020 04:42:35 +0000 (14:42 +1000)]
Merge tag 'drm-intel-fixes-2020-07-01' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

drm/i915 fixes for v5.8-rc4:
- GVT fixes
- Include asm sources for render cache clear batches

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87imf7l6ee.fsf@intel.com
4 years agocifs: prevent truncation from long to int in wait_for_free_credits
Ronnie Sahlberg [Thu, 2 Jul 2020 00:55:41 +0000 (10:55 +1000)]
cifs: prevent truncation from long to int in wait_for_free_credits

The wait_event_... defines evaluate to long so we should not assign it an int as this may truncate
the value.

Reported-by: Marshall Midden <marshallmidden@gmail.com>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
4 years agocifs: Fix the target file was deleted when rename failed.
Zhang Xiaoxu [Mon, 29 Jun 2020 01:06:38 +0000 (21:06 -0400)]
cifs: Fix the target file was deleted when rename failed.

When xfstest generic/035, we found the target file was deleted
if the rename return -EACESS.

In cifs_rename2, we unlink the positive target dentry if rename
failed with EACESS or EEXIST, even if the target dentry is positived
before rename. Then the existing file was deleted.

We should just delete the target file which created during the
rename.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
4 years agoSMB3: Honor 'posix' flag for multiuser mounts
Paul Aurich [Fri, 26 Jun 2020 19:58:09 +0000 (12:58 -0700)]
SMB3: Honor 'posix' flag for multiuser mounts

The flag from the primary tcon needs to be copied into the volume info
so that cifs_get_tcon will try to enable extensions on the per-user
tcon. At that point, since posix extensions must have already been
enabled on the superblock, don't try to needlessly adjust the mount
flags.

Fixes: ce558b0e17f8 ("smb3: Add posix create context for smb3.11 posix mounts")
Fixes: b326614ea215 ("smb3: allow "posix" mount option to enable new SMB311 protocol extensions")
Signed-off-by: Paul Aurich <paul@darkrain42.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
4 years agoSMB3: Honor 'handletimeout' flag for multiuser mounts
Paul Aurich [Fri, 26 Jun 2020 19:58:08 +0000 (12:58 -0700)]
SMB3: Honor 'handletimeout' flag for multiuser mounts

Fixes: ca567eb2b3f0 ("SMB3: Allow persistent handle timeout to be configurable on mount")
Signed-off-by: Paul Aurich <paul@darkrain42.org>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
4 years agoSMB3: Honor lease disabling for multiuser mounts
Paul Aurich [Fri, 26 Jun 2020 19:58:07 +0000 (12:58 -0700)]
SMB3: Honor lease disabling for multiuser mounts

Fixes: 3e7a02d47872 ("smb3: allow disabling requesting leases")
Signed-off-by: Paul Aurich <paul@darkrain42.org>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
4 years agoSMB3: Honor persistent/resilient handle flags for multiuser mounts
Paul Aurich [Fri, 26 Jun 2020 19:58:06 +0000 (12:58 -0700)]
SMB3: Honor persistent/resilient handle flags for multiuser mounts

Without this:

- persistent handles will only be enabled for per-user tcons if the
  server advertises the 'Continuous Availabity' capability
- resilient handles would never be enabled for per-user tcons

Signed-off-by: Paul Aurich <paul@darkrain42.org>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
4 years agoSMB3: Honor 'seal' flag for multiuser mounts
Paul Aurich [Fri, 26 Jun 2020 19:58:05 +0000 (12:58 -0700)]
SMB3: Honor 'seal' flag for multiuser mounts

Ensure multiuser SMB3 mounts use encryption for all users' tcons if the
mount options are configured to require encryption. Without this, only
the primary tcon and IPC tcons are guaranteed to be encrypted. Per-user
tcons would only be encrypted if the server was configured to require
encryption.

Signed-off-by: Paul Aurich <paul@darkrain42.org>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
4 years agocifs: Display local UID details for SMB sessions in DebugData
Paul Aurich [Fri, 26 Jun 2020 19:58:04 +0000 (12:58 -0700)]
cifs: Display local UID details for SMB sessions in DebugData

This is useful for distinguishing SMB sessions on a multiuser mount.

Signed-off-by: Paul Aurich <paul@darkrain42.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
4 years agodt-bindings: clock: imx: Fix e-mail address
Fabio Estevam [Wed, 1 Jul 2020 00:53:46 +0000 (21:53 -0300)]
dt-bindings: clock: imx: Fix e-mail address

The freescale.com domain is gone for quite some time.

Use the nxp.com domain instead.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20200701005346.1008-1-festevam@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agoMerge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 1 Jul 2020 19:56:05 +0000 (12:56 -0700)]
Merge tag 'hyperv-fixes-signed' of git://git./linux/kernel/git/hyperv/linux

Pull hyperv fix from Wei Liu:
 "One patch from Joseph to make panic reporting contain more useful
  information"

* tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  Drivers: hv: Change flag to write log level in panic msg to false

4 years agodrm/amdgpu: use %u rather than %d for sclk/mclk
Alex Deucher [Wed, 1 Jul 2020 16:00:08 +0000 (12:00 -0400)]
drm/amdgpu: use %u rather than %d for sclk/mclk

Large clock values may overflow and show up as negative.

Reported by prOMiNd on IRC.

Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
4 years agodrm/amdgpu/atomfirmware: fix vram_info fetching for renoir
Alex Deucher [Thu, 25 Jun 2020 21:55:57 +0000 (17:55 -0400)]
drm/amdgpu/atomfirmware: fix vram_info fetching for renoir

Renoir uses integrated_system_info table v12.  The table
has the same layout as v11 with respect to this data.  Just
reuse the existing code for v12 for stable.

Fixes incorrectly reported vram info in the driver output.

Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
4 years agoMerge tag 'exynos-drm-fixes-for-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kerne...
Dave Airlie [Wed, 1 Jul 2020 05:40:52 +0000 (15:40 +1000)]
Merge tag 'exynos-drm-fixes-for-v5.8-rc4' of git://git./linux/kernel/git/daeinki/drm-exynos into drm-fixes

Two fixups
- It fixes wrong return value by returing proper error value instead of
  fixed one.
- It fixes ref count leak in mic_pre_enable.
One cleanup
- It removes dev_err() call on platform_get_irq() failure because
  platform_get_irq() call dev_err() itself on failure.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1593395988-4612-1-git-send-email-inki.dae@samsung.com
4 years agoMerge tag 'drm-msm-fixes-2020-06-25' of https://gitlab.freedesktop.org/drm/msm into...
Dave Airlie [Wed, 1 Jul 2020 05:01:29 +0000 (15:01 +1000)]
Merge tag 'drm-msm-fixes-2020-06-25' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

A few fixes, mostly fallout from the address space refactor and dpu
color processing.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/
4 years agodrm/amd/display: Only revalidate bandwidth on medium and fast updates
Nicholas Kazlauskas [Mon, 29 Jun 2020 17:03:52 +0000 (13:03 -0400)]
drm/amd/display: Only revalidate bandwidth on medium and fast updates

[Why]
Changes that are fast don't require updating DLG parameters making
this call unnecessary. Considering this is an expensive call it should
not be done on every flip.

DML touches clocks, p-state support, DLG params and a few other DC
internal flags and these aren't expected during fast. A hang has been
reported with this change when called on every flip which suggests that
modifying these fields is not recommended behavior on fast updates.

[How]
Guard the validation to only happen if update type isn't FAST.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1191
Fixes: a24eaa5c51255b ("drm/amd/display: Revalidate bandwidth before commiting DC updates")
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
4 years agovirtio-blk: free vblk-vqs in error path of virtblk_probe()
Hou Tao [Mon, 15 Jun 2020 04:14:59 +0000 (12:14 +0800)]
virtio-blk: free vblk-vqs in error path of virtblk_probe()

Else there will be memory leak if alloc_disk() fails.

Fixes: 6a27b656fc02 ("block: virtio-blk: support multi virt queues per virtio-blk device")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
4 years agoPCI: Make pcie_find_root_port() work for Root Ports
Mika Westerberg [Mon, 22 Jun 2020 16:12:48 +0000 (19:12 +0300)]
PCI: Make pcie_find_root_port() work for Root Ports

Commit 6ae72bfa656e ("PCI: Unify pcie_find_root_port() and
pci_find_pcie_root_port()") broke acpi_pci_bridge_d3() because calling
pcie_find_root_port() on a Root Port returned NULL when it should return
the Root Port, which in turn broke power management of PCIe hierarchies.

Rework pcie_find_root_port() so it returns its argument when it is already
a Root Port.

[bhelgaas: test device only once, test for PCIe]
Fixes: 6ae72bfa656e ("PCI: Unify pcie_find_root_port() and pci_find_pcie_root_port()")
Link: https://lore.kernel.org/r/20200622161248.51099-1-mika.westerberg@linux.intel.com
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
4 years agoMerge tag 'exfat-for-5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/linkin...
Linus Torvalds [Tue, 30 Jun 2020 19:35:11 +0000 (12:35 -0700)]
Merge tag 'exfat-for-5.8-rc4' of git://git./linux/kernel/git/linkinjeon/exfat

Pull exfat fixes from Namjae Jeon:

 - Zero out unused characters of FileName field to avoid a complaint
   from some fsck tool.

 - Fix memory leak on error paths.

 - Fix unnecessary VOL_DIRTY set when calling rmdir on non-empty
   directory.

 - Call sync_filesystem() for read-only remount (Fix generic/452 test in
   xfstests)

 - Add own fsync() to flush dirty metadata.

* tag 'exfat-for-5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: flush dirty metadata in fsync
  exfat: move setting VOL_DIRTY over exfat_remove_entries()
  exfat: call sync_filesystem for read-only remount
  exfat: add missing brelse() calls on error paths
  exfat: Set the unused characters of FileName field to the value 0000h

4 years agoMerge tag 'fixes-v5.8-rc3-a' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
Linus Torvalds [Tue, 30 Jun 2020 19:21:53 +0000 (12:21 -0700)]
Merge tag 'fixes-v5.8-rc3-a' of git://git./linux/kernel/git/jmorris/linux-security

Pull security subsystem fixes from James Morris:
 "Two simple fixes for v5.8:

   - Fix hook iteration and default value for inode_copy_up_xattr
     (KP Singh)

   - Fix the key_permission LSM hook function type (Sami Tolvanen)"

* tag 'fixes-v5.8-rc3-a' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  security: Fix hook iteration and default value for inode_copy_up_xattr
  security: fix the key_permission LSM hook function type

4 years agoMerge tag 'integrity-v5.8-fix-2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Tue, 30 Jun 2020 19:17:21 +0000 (12:17 -0700)]
Merge tag 'integrity-v5.8-fix-2' of git://git./linux/kernel/git/zohar/linux-integrity

Pull integrity updates from Mimi Zohar:
 "Include PCRs 8 & 9 in per TPM 2.0 bank boot_aggregate calculation.

  Prior to Linux 5.8 the SHA1 "boot_aggregate" value was padded with 0's
  and extended into the other TPM 2.0 banks.

  Included in the Linux 5.8 open window, TPM 2.0 PCR bank specific
  "boot_aggregate" values (PCRs 0  - 7) are calculated and extended into the TPM banks.

  Distro releases are now shipping grub2 with TPM support, which extend
  PCRs 8 & 9. I'd like for PCRs 8 & 9 to be included in the new
  "boot_aggregate" calculations.

  For backwards compatibility, if the hash is SHA1, these new PCRs are
  not included in the boot aggregate"

* tag 'integrity-v5.8-fix-2' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  ima: extend boot_aggregate with kernel measurements

4 years agoio_uring: use signal based task_work running
Jens Axboe [Tue, 30 Jun 2020 18:39:05 +0000 (12:39 -0600)]
io_uring: use signal based task_work running

Since 5.7, we've been using task_work to trigger async running of
requests in the context of the original task. This generally works
great, but there's a case where if the task is currently blocked
in the kernel waiting on a condition to become true, it won't process
task_work. Even though the task is woken, it just checks whatever
condition it's waiting on, and goes back to sleep if it's still false.

This is a problem if that very condition only becomes true when that
task_work is run. An example of that is the task registering an eventfd
with io_uring, and it's now blocked waiting on an eventfd read. That
read could depend on a completion event, and that completion event
won't get trigged until task_work has been run.

Use the TWA_SIGNAL notification for task_work, so that we ensure that
the task always runs the work when queued.

Cc: stable@vger.kernel.org # v5.7
Signed-off-by: Jens Axboe <axboe@kernel.dk>
4 years agotask_work: teach task_work_add() to do signal_wake_up()
Oleg Nesterov [Tue, 30 Jun 2020 15:32:54 +0000 (17:32 +0200)]
task_work: teach task_work_add() to do signal_wake_up()

So that the target task will exit the wait_event_interruptible-like
loop and call task_work_run() asap.

The patch turns "bool notify" into 0,TWA_RESUME,TWA_SIGNAL enum, the
new TWA_SIGNAL flag implies signal_wake_up().  However, it needs to
avoid the race with recalc_sigpending(), so the patch also adds the
new JOBCTL_TASK_WORK bit included in JOBCTL_PENDING_MASK.

TODO: once this patch is merged we need to change all current users
of task_work_add(notify = true) to use TWA_RESUME.

Cc: stable@vger.kernel.org # v5.7
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
4 years agoACPI: fan: Fix Tiger Lake ACPI device ID
Sumeet Pawnikar [Tue, 30 Jun 2020 15:41:49 +0000 (21:11 +0530)]
ACPI: fan: Fix Tiger Lake ACPI device ID

Tiger Lake's new unique ACPI device ID for Fan is not valid
because of missing 'C' in the ID.  Use correct fan device ID.

Fixes: c248dfe7e0ca ("ACPI: fan: Add Tiger Lake ACPI device ID")
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Cc: 5.6+ <stable@vger.kernel.org> # 5.6+
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
4 years agodt-bindings: thermal: k3: Fix the reg property
Fabio Estevam [Tue, 30 Jun 2020 12:25:27 +0000 (09:25 -0300)]
dt-bindings: thermal: k3: Fix the reg property

Adjust the reg property to fix the following warning seen with
'make dt_binding_check':

Documentation/devicetree/bindings/thermal/ti,am654-thermal.example.dt.yaml: example-0: thermal@42050000:reg:0: [0, 1107623936, 0, 604] is too long

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20200630122527.28640-1-festevam@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agodt-bindings: thermal: Remove soc unit address
Fabio Estevam [Tue, 30 Jun 2020 12:18:04 +0000 (09:18 -0300)]
dt-bindings: thermal: Remove soc unit address

Remove the soc unit address to fix the following warnings seen with
'make dt_binding_check':

Documentation/devicetree/bindings/thermal/thermal-sensor.example.dts:22.20-49.11: Warning (unit_address_vs_reg): /example-0/soc@0: node has a unit name, but no reg or ranges property
Documentation/devicetree/bindings/thermal/thermal-zones.example.dts:23.20-50.11: Warning (unit_address_vs_reg): /example-0/soc@0: node has a unit name, but no reg or ranges property

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20200630121804.27887-1-festevam@gmail.com
[robh: also fix thermal-zones.yaml example]
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agodt-bindings: display: arm: versatile: Pass the sysreg unit name
Fabio Estevam [Mon, 29 Jun 2020 21:55:00 +0000 (18:55 -0300)]
dt-bindings: display: arm: versatile: Pass the sysreg unit name

Pass the sysreg unit name to fix the following warning seen with
'make dt_binding_check':

Warning (unit_address_vs_reg): /example-0/sysreg: node has a reg or ranges property, but no unit name

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20200629215500.18037-1-festevam@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agodt-bindings: usb: aspeed: Remove the leading zeroes
Fabio Estevam [Mon, 29 Jun 2020 21:40:27 +0000 (18:40 -0300)]
dt-bindings: usb: aspeed: Remove the leading zeroes

Remove the leading zeroes to fix the following warning seen with
'make dt_binding_check':

Documentation/devicetree/bindings/usb/aspeed,usb-vhub.example.dts:37.33-42.23: Warning (unit_address_format): /example-0/usb-vhub@1e6a0000/vhub-strings/string@0409: unit name should not have leading 0s

Reviewed-by: Tao Ren <rentao.bupt@gmail.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20200629214027.16768-1-festevam@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agodt-bindings: copy process-schema-examples.yaml to process-schema.yaml
Masahiro Yamada [Thu, 25 Jun 2020 17:04:33 +0000 (02:04 +0900)]
dt-bindings: copy process-schema-examples.yaml to process-schema.yaml

There are two processed schema files:

 - processed-schema-examples.yaml

    Used for 'make dt_binding_check'. This is always a full schema.

 - processed-schema.yaml

    Used for 'make dtbs_check'. This may be a full schema, or a smaller
    subset if DT_SCHEMA_FILES is given by a user.

If DT_SCHEMA_FILES is not specified, they are the same. You can copy
the former to the latter instead of running dt-mk-schema twice. This
saves the cpu time a lot when you do 'make dt_binding_check dtbs_check'
because building the full schema takes a couple of seconds.

If DT_SCHEMA_FILES is specified, processed-schema.yaml is generated
based on the specified yaml files.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20200625170434.635114-4-masahiroy@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agodt-bindings: do not build processed-schema.yaml for 'make dt_binding_check'
Masahiro Yamada [Thu, 25 Jun 2020 17:04:32 +0000 (02:04 +0900)]
dt-bindings: do not build processed-schema.yaml for 'make dt_binding_check'

Currently, processed-schema.yaml is always built, but it is actually
used only for 'make dtbs_check'.

'make dt_binding_check' uses processed-schema-example.yaml instead.

Build processed-schema.yaml only for 'make dtbs_check'.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20200625170434.635114-3-masahiroy@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agodt-bindings: fix error in 'make clean' after 'make dt_binding_check'
Masahiro Yamada [Thu, 25 Jun 2020 17:04:31 +0000 (02:04 +0900)]
dt-bindings: fix error in 'make clean' after 'make dt_binding_check'

We are having more and more schema files.

Commit 8b6b80218b01 ("dt-bindings: Fix command line length limit
calling dt-mk-schema") fixed the 'Argument list too long' error of
the schema checks, but the same error happens while cleaning too.

'make clean' after 'make dt_binding_check' fails as follows:

  $ make dt_binding_check
    [ snip ]
  $ make clean
  make[2]: execvp: /bin/sh: Argument list too long
  make[2]: *** [scripts/Makefile.clean:52: __clean] Error 127
  make[1]: *** [scripts/Makefile.clean:66: Documentation/devicetree/bindings] Error 2
  make: *** [Makefile:1763: _clean_Documentation] Error 2

'make dt_binding_check' generates so many .example.dts, .dt.yaml files,
which are passed to the 'rm' command when you run 'make clean'.

I added a small hack to use the 'find' command to clean up most of the
build artifacts before they are processed by scripts/Makefile.clean

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20200625170434.635114-2-masahiroy@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agodt-bindings: mailbox: zynqmp_ipi: fix unit address
Kangmin Park [Thu, 25 Jun 2020 13:51:58 +0000 (22:51 +0900)]
dt-bindings: mailbox: zynqmp_ipi: fix unit address

Fix unit address to match the first address specified in the reg
property of the node in example.

Signed-off-by: Kangmin Park <l4stpr0gr4m@gmail.com>
Link: https://lore.kernel.org/r/20200625135158.5861-1-l4stpr0gr4m@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agodt-bindings: bus: uniphier-system-bus: fix warning in example
Masahiro Yamada [Tue, 23 Jun 2020 11:32:42 +0000 (20:32 +0900)]
dt-bindings: bus: uniphier-system-bus: fix warning in example

Since commit e69f5dc623f9 ("dt-bindings: serial: Convert 8250 to
json-schema"), the schema for "ns16550a" is checked.

'make dt_binding_check' emits the following warning:

  uart@5,00200000: $nodename:0: 'uart@5,00200000' does not match '^serial(@[0-9a-f,]+)*$'

Rename the node to follow the pattern defined in
Documentation/devicetree/bindings/serial/serial.yaml

While I was here, I removed leading zeros from unit names.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Link: https://lore.kernel.org/r/20200623113242.779241-1-yamada.masahiro@socionext.com
Signed-off-by: Rob Herring <robh@kernel.org>
4 years agoscripts/dtc: Update to upstream version v1.6.0-11-g9d7888cbf19c
Rob Herring [Mon, 29 Jun 2020 18:15:13 +0000 (12:15 -0600)]
scripts/dtc: Update to upstream version v1.6.0-11-g9d7888cbf19c

Sync with upstream dtc primarily to pickup the I2C bus check fixes. The
interrupt_provider check is noisy, so turn it off for now.

This adds the following commits from upstream:

9d7888cbf19c dtc: Consider one-character strings as strings
8259d59f59de checks: Improve i2c reg property checking
fdabcf2980a4 checks: Remove warning for I2C_OWN_SLAVE_ADDRESS
2478b1652c8d libfdt: add extern "C" for C++
f68bfc2668b2 libfdt: trivial typo fix
7be250b4d059 libfdt: Correct condition for reordering blocks
81e0919a3e21 checks: Add interrupt provider test
85e5d839847a Makefile: when building libfdt only, do not add unneeded deps
b28464a550c5 Fix some potential unaligned accesses in dtc

Signed-off-by: Rob Herring <robh@kernel.org>
4 years agogfs2: Don't sleep during glock hash walk
Andreas Gruenbacher [Wed, 10 Jun 2020 16:31:56 +0000 (18:31 +0200)]
gfs2: Don't sleep during glock hash walk

In flush_delete_work, instead of flushing each individual pending
delayed work item, cancel and re-queue them for immediate execution.
The waiting isn't needed here because we're already waiting for all
queued work items to complete in gfs2_flush_delete_work.  This makes the
code more efficient, but more importantly, it avoids sleeping during a
rhashtable walk, inside rcu_read_lock().

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
4 years agogfs2: fix trans slab error when withdraw occurs inside log_flush
Bob Peterson [Tue, 9 Jun 2020 13:55:11 +0000 (09:55 -0400)]
gfs2: fix trans slab error when withdraw occurs inside log_flush

Log flush operations (gfs2_log_flush()) can target a specific transaction.
But if the function encounters errors (e.g. io errors) and withdraws,
the transaction was only freed it if was queued to one of the ail lists.
If the withdraw occurred before the transaction was queued to the ail1
list, function ail_drain never freed it. The result was:

BUG gfs2_trans: Objects remaining in gfs2_trans on __kmem_cache_shutdown()

This patch makes log_flush() add the targeted transaction to the ail1
list so that function ail_drain() will find and free it properly.

Cc: stable@vger.kernel.org # v5.7+
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
4 years agogfs2: Don't return NULL from gfs2_inode_lookup
Andreas Gruenbacher [Tue, 9 Jun 2020 12:33:11 +0000 (14:33 +0200)]
gfs2: Don't return NULL from gfs2_inode_lookup

Callers expect gfs2_inode_lookup to return an inode pointer or ERR_PTR(error).
Commit b66648ad6dcf caused it to return NULL instead of ERR_PTR(-ESTALE) in
some cases.  Fix that.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: b66648ad6dcf ("gfs2: Move inode generation number check into gfs2_inode_lookup")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
4 years agodrm: sun4i: hdmi: Remove extra HPD polling
Chen-Yu Tsai [Mon, 29 Jun 2020 06:00:32 +0000 (14:00 +0800)]
drm: sun4i: hdmi: Remove extra HPD polling

The HPD sense mechanism in Allwinner's old HDMI encoder hardware is more
or less an input-only GPIO. Other GPIO-based HPD implementations
directly return the current state, instead of polling for a specific
state and returning the other if that times out.

Remove the I/O polling from sun4i_hdmi_connector_detect() and directly
return a known state based on the current reading. This also gets rid
of excessive CPU usage by kworker as reported on Stack Exchange [1] and
Armbian forums [2].

 [1] https://superuser.com/questions/1515001/debian-10-buster-on-cubietruck-with-bug-in-sun4i-drm-hdmi
 [2] https://forum.armbian.com/topic/14282-headless-systems-and-sun4i_drm_hdmi-a10a20/

Fixes: 9c5681011a0c ("drm/sun4i: Add HDMI support")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200629060032.24134-1-wens@kernel.org
4 years agoselftests: tpm: Use /bin/sh instead of /bin/bash
Jarkko Sakkinen [Mon, 22 Jun 2020 21:20:22 +0000 (00:20 +0300)]
selftests: tpm: Use /bin/sh instead of /bin/bash

It's better to use /bin/sh instead of /bin/bash in order to run the tests
in the BusyBox shell.

Fixes: 6ea3dfe1e073 ("selftests: add TPM 2.0 tests")
Cc: stable@vger.kernel.org
Cc: linux-integrity@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
4 years agoselftests: tpm: Use 'test -e' instead of 'test -f'
Jarkko Sakkinen [Mon, 22 Jun 2020 21:20:21 +0000 (00:20 +0300)]
selftests: tpm: Use 'test -e' instead of 'test -f'

'test -f' is suitable only for *regular* files. Use 'test -e' instead.

Cc: Nikita Sobolev <Nikita.Sobolev@synopsys.com>
Cc: linux-integrity@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Fixes: 5627f9cffee7 ("Kernel selftests: Add check if TPM devices are supported")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
4 years agoRevert "tpm: selftest: cleanup after unseal with wrong auth/policy test"
Jarkko Sakkinen [Mon, 22 Jun 2020 21:20:20 +0000 (00:20 +0300)]
Revert "tpm: selftest: cleanup after unseal with wrong auth/policy test"

The reverted commit illegitly uses tpm2-tools. External dependencies are
absolutely forbidden from these tests. There is also the problem that
clearing is not necessarily wanted behavior if the test/target computer is
not used only solely for testing.

Fixes: a9920d3bad40 ("tpm: selftest: cleanup after unseal with wrong auth/policy test")
Cc: Tadeusz Struk <tadeusz.struk@intel.com>
Cc: stable@vger.kernel.org
Cc: linux-integrity@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
4 years agoblock/keyslot-manager: use kvfree_sensitive()
Eric Biggers [Tue, 16 Jun 2020 15:56:54 +0000 (08:56 -0700)]
block/keyslot-manager: use kvfree_sensitive()

Make blk_ksm_destroy() use the kvfree_sensitive() function (which was
introduced in v5.8-rc1) instead of open-coding it.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
4 years agoSUNRPC: Add missing definition of ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
Christophe Leroy [Mon, 15 Jun 2020 06:25:23 +0000 (06:25 +0000)]
SUNRPC: Add missing definition of ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE

Even if that's only a warning, not including asm/cacheflush.h
leads to svc_flush_bvec() being empty allthough powerpc defines
ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE.

  CC      net/sunrpc/svcsock.o
net/sunrpc/svcsock.c:227:5: warning: "ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE" is not defined [-Wundef]
 #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
     ^

Include linux/highmem.h so that asm/cacheflush.h will be included.

Reported-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reported-by: kernel test robot <lkp@intel.com>
Fixes: ca07eda33e01 ("SUNRPC: Refactor svc_recvfrom()")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
4 years agonfsd: fix nfsdfs inode reference count leak
J. Bruce Fields [Wed, 24 Jun 2020 01:01:19 +0000 (21:01 -0400)]
nfsd: fix nfsdfs inode reference count leak

I don't understand this code well, but  I'm seeing a warning about a
still-referenced inode on unmount, and every other similar filesystem
does a dput() here.

Fixes: e8a79fb14f6b ("nfsd: add nfsd/clients directory")
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
4 years agonfsd4: fix nfsdfs reference count loop
J. Bruce Fields [Tue, 23 Jun 2020 20:00:33 +0000 (16:00 -0400)]
nfsd4: fix nfsdfs reference count loop

We don't drop the reference on the nfsdfs filesystem with
mntput(nn->nfsd_mnt) until nfsd_exit_net(), but that won't be called
until the nfsd module's unloaded, and we can't unload the module as long
as there's a reference on nfsdfs.  So this prevents module unloading.

Fixes: 2c830dd7209b ("nfsd: persist nfsd filesystem across mounts")
Reported-and-Tested-by: Luo Xiaogang <lxgrxd@163.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
4 years agoMerge tag 'spi-fix-v5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Linus Torvalds [Mon, 29 Jun 2020 17:10:16 +0000 (10:10 -0700)]
Merge tag 'spi-fix-v5.8-rc3' of git://git./linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A batch of fixes for the Freescale DSPI driver fixing some serious
  issues with removal of active devices and one resume case, plus a few
  new PCI IDs for Intel platforms"

* tag 'spi-fix-v5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: pxa2xx: Add support for Intel Tiger Lake PCH-H
  spi: spi-fsl-dspi: Initialize completion before possible interrupt
  spi: spi-fsl-dspi: Fix external abort on interrupt in resume or exit paths
  spi: spi-fsl-dspi: Fix lockup if device is shutdown during SPI transfer
  spi: spi-fsl-dspi: Fix lockup if device is removed during SPI transfer

4 years agoMerge tag 'thermal-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal...
Linus Torvalds [Mon, 29 Jun 2020 17:08:15 +0000 (10:08 -0700)]
Merge tag 'thermal-v5.8-rc4' of git://git./linux/kernel/git/thermal/linux

Pull thermal fixes from Daniel Lezcano:

 - Fix undefined temperature if negative on the rcar_gen3 (Dien Pham)

 - Fix wrong frequency converted from power for the cpufreq cooling
   device (Finley Xiao)

 - Fix compilation warnings by making functions static in the tsens
   driver (Amit Kucheria)

 - Fix return value of sprd_thm_probe for the Spreadtrum driver
   (Tiezhu Yang)

 - Fix bank number settings on the Mediatek mt8183 (Michael Kao)

 - Fix missing of_node_put() at probe time i.MX (Anson Huang)

* tag 'thermal-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
  thermal/drivers/rcar_gen3: Fix undefined temperature if negative
  thermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power
  thermal/drivers/tsens: Fix compilation warnings by making functions static
  thermal/drivers/sprd: Fix return value of sprd_thm_probe()
  thermal/drivers/mediatek: Fix bank number settings on mt8183
  thermal/drivers: imx: Fix missing of_node_put() at probe time

4 years agoMerge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Linus Torvalds [Mon, 29 Jun 2020 17:06:26 +0000 (10:06 -0700)]
Merge branch 'linus' of git://git./linux/kernel/git/herbert/crypto-2.6

Pull crypto fixes from Herbert Xu:
 "This fixes two race conditions, one in padata and one in af_alg"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  padata: upgrade smp_mb__after_atomic to smp_mb in padata_do_serial
  crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock()

4 years agoRevert "fs: Do not check if there is a fsnotify watcher on pseudo inodes"
Mel Gorman [Mon, 29 Jun 2020 14:41:45 +0000 (15:41 +0100)]
Revert "fs: Do not check if there is a fsnotify watcher on pseudo inodes"

This reverts commit e9c15badbb7b ("fs: Do not check if there is a
fsnotify watcher on pseudo inodes"). The commit intended to eliminate
fsnotify-related overhead for pseudo inodes but it is broken in
concept. inotify can receive events of pipe files under /proc/X/fd and
chromium relies on close and open events for sandboxing. Maxim Levitsky
reported the following

  Chromium starts as a white rectangle, shows few white rectangles that
  resemble its notifications and then crashes.

  The stdout output from chromium:

  [mlevitsk@starship ~]$chromium-freeworld
  mesa: for the   --simplifycfg-sink-common option: may only occur zero or one times!
  mesa: for the   --global-isel-abort option: may only occur zero or one times!
  [3379:3379:0628/135151.440930:ERROR:browser_switcher_service.cc(238)] XXX Init()
  ../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0072
  Received signal 11 SEGV_MAPERR 0000004a9048

Crashes are not universal but even if chromium does not crash, it certainly
does not work properly. While filtering just modify and access might be
safe, the benefit is not worth the risk hence the revert.

Reported-by: Maxim Levitsky <mlevitsk@redhat.com>
Fixes: e9c15badbb7b ("fs: Do not check if there is a fsnotify watcher on pseudo inodes")
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
4 years agom68k: mm: fix node memblock init
Angelo Dureghello [Wed, 17 Jun 2020 06:53:41 +0000 (09:53 +0300)]
m68k: mm: fix node memblock init

After pulling 5.7.0 (linux-next merge), mcf5441x mmu boot was
hanging silently.

memblock_add() seems not appropriate, since using MAX_NUMNODES
as node id, while memblock_add_node() sets up memory for node id 0.

Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
4 years agom68k: nommu: register start of the memory with memblock
Mike Rapoport [Wed, 17 Jun 2020 06:53:40 +0000 (09:53 +0300)]
m68k: nommu: register start of the memory with memblock

The m68k nommu setup code didn't register the beginning of the physical
memory with memblock because it was anyway occupied by the kernel. However,
commit fa3354e4ea39 ("mm: free_area_init: use maximal zone PFNs rather than
zone sizes") changed zones initialization to use memblock.memory to detect
the zone extents and this caused inconsistency between zone PFNs and the
actual PFNs:

BUG: Bad page state in process swapper  pfn:20165
page:41fe0ca0 refcount:0 mapcount:1 mapping:00000000 index:0x0 flags: 0x0()
raw: 00000000 00000100 00000122 00000000 00000000 00000000 00000000 00000000
page dumped because: nonzero mapcount
CPU: 0 PID: 1 Comm: swapper Not tainted 5.8.0-rc1-00001-g3a38f8a60c65-dirty #1
Stack from 404c9ebc:
        404c9ebc 4029ab28 4029ab28 40088470 41fe0ca0 40299e21 40299df1 404ba2a4
        00020165 00000000 41fd2c10 402c7ba0 41fd2c04 40088504 41fe0ca0 40299e21
        00000000 40088a12 41fe0ca0 41fe0ca4 0000020a 00000000 00000001 402ca000
        00000000 41fe0ca0 41fd2c10 41fd2c10 00000000 00000000 402b2388 00000001
        400a0934 40091056 404c9f44 404c9f44 40088db4 402c7ba0 00000001 41fd2c04
        41fe0ca0 41fd2000 41fe0ca0 40089e02 4026ecf4 40089e4e 41fe0ca0 ffffffff
Call Trace:
        [<40088470>] 0x40088470
 [<40088504>] 0x40088504
 [<40088a12>] 0x40088a12
 [<402ca000>] 0x402ca000
 [<400a0934>] 0x400a0934

Adjust the memory registration with memblock to include the beginning of
the physical memory and make sure that the area occupied by the kernel is
marked as reserved.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
4 years agoblk-mq-debugfs: update blk_queue_flag_name[] accordingly for new flags
Hou Tao [Tue, 28 Apr 2020 01:54:56 +0000 (09:54 +0800)]
blk-mq-debugfs: update blk_queue_flag_name[] accordingly for new flags

Else there may be magic numbers in /sys/kernel/debug/block/*/state.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
4 years agoACPI: DPTF: Add battery participant for TigerLake
Srinivas Pandruvada [Wed, 24 Jun 2020 18:51:40 +0000 (11:51 -0700)]
ACPI: DPTF: Add battery participant for TigerLake

Add DPTF battery participant ACPI ID for platforms based on the Intel
TigerLake SoC.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
4 years agoDrivers: hv: Change flag to write log level in panic msg to false
Joseph Salisbury [Fri, 26 Jun 2020 22:28:17 +0000 (15:28 -0700)]
Drivers: hv: Change flag to write log level in panic msg to false

When the kernel panics, one page of kmsg data may be collected and sent to
Hyper-V to aid in diagnosing the failure.  The collected kmsg data typically
 contains 50 to 100 lines, each of which has a log level prefix that isn't
very useful from a diagnostic standpoint.  So tell kmsg_dump_get_buffer()
to not include the log level, enabling more information that *is* useful to
fit in the page.

Requesting in stable kernels, since many kernels running in production are
stable releases.

Cc: stable@vger.kernel.org
Signed-off-by: Joseph Salisbury <joseph.salisbury@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1593210497-114310-1-git-send-email-joseph.salisbury@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
4 years agothermal/drivers/rcar_gen3: Fix undefined temperature if negative
Dien Pham [Thu, 25 Jun 2020 11:38:19 +0000 (20:38 +0900)]
thermal/drivers/rcar_gen3: Fix undefined temperature if negative

As description for DIV_ROUND_CLOSEST in file include/linux/kernel.h.
  "Result is undefined for negative divisors if the dividend variable
   type is unsigned and for negative dividends if the divisor variable
   type is unsigned."

In current code, the FIXPT_DIV uses DIV_ROUND_CLOSEST but has not
checked sign of divisor before using. It makes undefined temperature
value in case the value is negative.

This patch fixes to satisfy DIV_ROUND_CLOSEST description
and fix bug too. Note that the variable name "reg" is not good
because it should be the same type as rcar_gen3_thermal_read().
However, it's better to rename the "reg" in a further patch as
cleanup.

Signed-off-by: Van Do <van.do.xw@renesas.com>
Signed-off-by: Dien Pham <dien.pham.ry@renesas.com>
[shimoda: minor fixes, add Fixes tag]
Fixes: 564e73d283af ("thermal: rcar_gen3_thermal: Add R-Car Gen3 thermal driver")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Niklas Soderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Niklas Soderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1593085099-2057-1-git-send-email-yoshihiro.shimoda.uh@renesas.com
4 years agothermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power
Finley Xiao [Fri, 19 Jun 2020 09:08:25 +0000 (17:08 +0800)]
thermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power

The function cpu_power_to_freq is used to find a frequency and set the
cooling device to consume at most the power to be converted. For example,
if the power to be converted is 80mW, and the em table is as follow.
struct em_cap_state table[] = {
/* KHz     mW */
{ 1008000, 36, 0 },
{ 1200000, 49, 0 },
{ 1296000, 59, 0 },
{ 1416000, 72, 0 },
{ 1512000, 86, 0 },
};
The target frequency should be 1416000KHz, not 1512000KHz.

Fixes: 349d39dc5739 ("thermal: cpu_cooling: merge frequency and power tables")
Cc: <stable@vger.kernel.org> # v4.13+
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200619090825.32747-1-finley.xiao@rock-chips.com
4 years agothermal/drivers/tsens: Fix compilation warnings by making functions static
Amit Kucheria [Wed, 27 May 2020 11:08:46 +0000 (16:38 +0530)]
thermal/drivers/tsens: Fix compilation warnings by making functions static

After merging tsens-common.c into tsens.c, we can now mark some
functions static so they don't need any prototype declarations. This
fixes the following issue reported by lkp.

>> drivers/thermal/qcom/tsens.c:385:13: warning: no previous prototype for 'tsens_critical_irq_thread' [-Wmissing-prototypes]
385 | irqreturn_t tsens_critical_irq_thread(int irq, void *data)
|             ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/thermal/qcom/tsens.c:455:13: warning: no previous prototype for 'tsens_irq_thread' [-Wmissing-prototypes]
455 | irqreturn_t tsens_irq_thread(int irq, void *data)
|             ^~~~~~~~~~~~~~~~
>> drivers/thermal/qcom/tsens.c:523:5: warning: no previous prototype for 'tsens_set_trips' [-Wmissing-prototypes]
523 | int tsens_set_trips(void *_sensor, int low, int high)
|     ^~~~~~~~~~~~~~~
>> drivers/thermal/qcom/tsens.c:560:5: warning: no previous prototype for 'tsens_enable_irq' [-Wmissing-prototypes]
560 | int tsens_enable_irq(struct tsens_priv *priv)
|     ^~~~~~~~~~~~~~~~
>> drivers/thermal/qcom/tsens.c:573:6: warning: no previous prototype for 'tsens_disable_irq' [-Wmissing-prototypes]
573 | void tsens_disable_irq(struct tsens_priv *priv)
|      ^~~~~~~~~~~~~~~~~

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/6757a26876b29922929abf64b1c11fa3b3033d03.1590579709.git.amit.kucheria@linaro.org
4 years agothermal/drivers/sprd: Fix return value of sprd_thm_probe()
Tiezhu Yang [Mon, 25 May 2020 01:59:01 +0000 (09:59 +0800)]
thermal/drivers/sprd: Fix return value of sprd_thm_probe()

When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Fixes: 554fdbaf19b1 ("thermal: sprd: Add Spreadtrum thermal driver support")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1590371941-25430-1-git-send-email-yangtiezhu@loongson.cn
4 years agothermal/drivers/mediatek: Fix bank number settings on mt8183
Michael Kao [Mon, 23 Mar 2020 12:15:35 +0000 (20:15 +0800)]
thermal/drivers/mediatek: Fix bank number settings on mt8183

MT8183_NUM_ZONES should be set to 1
because MT8183 doesn't have multiple banks.

Fixes: a4ffe6b52d27 ("thermal: mediatek: add support for MT8183")
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200323121537.22697-6-michael.kao@mediatek.com
4 years agothermal/drivers: imx: Fix missing of_node_put() at probe time
Anson Huang [Thu, 26 Mar 2020 14:29:05 +0000 (22:29 +0800)]
thermal/drivers: imx: Fix missing of_node_put() at probe time

After finishing using cpu node got from of_get_cpu_node(), of_node_put()
needs to be called.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1585232945-23368-1-git-send-email-Anson.Huang@nxp.com
4 years agodrm/i915: Include asm sources for {ivb, hsw}_clear_kernel.c
Rodrigo Vivi [Wed, 10 Jun 2020 20:18:07 +0000 (13:18 -0700)]
drm/i915: Include asm sources for {ivb, hsw}_clear_kernel.c

Alexandre Oliva has recently removed these files from Linux Libre
with concerns that the sources weren't available.

The sources are available on IGT repository, and only open source
tools are used to generate the {ivb,hsw}_clear_kernel.c files.

However, the remaining concern from Alexandre Oliva was around
GPL license and the source not been present when distributing
the code.

So, it looks like 2 alternatives are possible, the use of
linux-firmware.git repository to store the blob or making sure
that the source is also present in our tree. Since the goal
is to limit the i915 firmware to only the micro-controller blobs
let's make sure that we do include the asm sources here in our tree.

Btw, I tried to have some diligence here and make sure that the
asms that these commits are adding are truly the source for
the mentioned files:

igt$ ./scripts/generate_clear_kernel.sh -g ivb \
     -m ~/mesa/build/src/intel/tools/i965_asm
Output file not specified - using default file "ivb-cb_assembled"

Generating gen7 CB Kernel assembled file "ivb_clear_kernel.c"
for i915 driver...

igt$ diff ~/i915/drm-tip/drivers/gpu/drm/i915/gt/ivb_clear_kernel.c \
     ivb_clear_kernel.c

<  * Generated by: IGT Gpu Tools on Fri 21 Feb 2020 05:29:32 AM UTC
>  * Generated by: IGT Gpu Tools on Mon 08 Jun 2020 10:00:54 AM PDT
61c61
< };
> };
\ No newline at end of file

igt$ ./scripts/generate_clear_kernel.sh -g hsw \
     -m ~/mesa/build/src/intel/tools/i965_asm
Output file not specified - using default file "hsw-cb_assembled"

Generating gen7.5 CB Kernel assembled file "hsw_clear_kernel.c"
for i915 driver...

igt$ diff ~/i915/drm-tip/drivers/gpu/drm/i915/gt/hsw_clear_kernel.c \
     hsw_clear_kernel.c
5c5
<  * Generated by: IGT Gpu Tools on Fri 21 Feb 2020 05:30:13 AM UTC
>  * Generated by: IGT Gpu Tools on Mon 08 Jun 2020 10:01:42 AM PDT
61c61
< };
> };
\ No newline at end of file

Used IGT and Mesa master repositories from Fri Jun 5 2020)
IGT: 53e8c878a6fb ("tests/kms_chamelium: Force reprobe after replugging
     the connector")
Mesa: 5d13c7477eb1 ("radv: set keep_statistic_info with
      RADV_DEBUG=shaderstats")
Mesa built with: meson build -D platforms=drm,x11 -D dri-drivers=i965 \
                 -D gallium-drivers=iris -D prefix=/usr \
 -D libdir=/usr/lib64/ -Dtools=intel \
 -Dkulkan-drivers=intel && ninja -C build

v2: Header clean-up and include build instructions in a readme (Chris)
    Modified commit message to respect check-patch

Reference: http://www.fsfla.org/pipermail/linux-libre/2020-June/003374.html
Reference: http://www.fsfla.org/pipermail/linux-libre/2020-June/003375.html
Fixes: 47f8253d2b89 ("drm/i915/gen7: Clear all EU/L3 residual contexts")
Cc: <stable@vger.kernel.org> # v5.7+
Cc: Alexandre Oliva <lxoliva@fsfla.org>
Cc: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
Cc: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Jon Bloomfield <jon.bloomfield@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200610201807.191440-1-rodrigo.vivi@intel.com
(cherry picked from commit 5a7eeb8ba143d860050ecea924a8f074f02d8023)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
4 years agoexfat: flush dirty metadata in fsync
Sungjong Seo [Thu, 18 Jun 2020 11:43:26 +0000 (20:43 +0900)]
exfat: flush dirty metadata in fsync

generic_file_fsync() exfat used could not guarantee the consistency of
a file because it has flushed not dirty metadata but only dirty data pages
for a file.

Instead of that, use exfat_file_fsync() for files and directories so that
it guarantees to commit both the metadata and data pages for a file.

Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>