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Stable bugfixes:
- Fix O_DIRECT accounting of number of bytes read/written # v4.1+
Other fixes:
- Fix nfsi->nrequests count error on nfs_inode_remove_request()
- Remove redundant mirror tracking in O_DIRECT
- Fix leak of clp->cl_acceptor string
- Fix race to sk_err after xs_error_report
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Merge tag 'nfs-for-5.4-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client bugfixes from Anna Schumaker:
"Stable bugfixes:
- Fix O_DIRECT accounting of number of bytes read/written # v4.1+
Other fixes:
- Fix nfsi->nrequests count error on nfs_inode_remove_request()
- Remove redundant mirror tracking in O_DIRECT
- Fix leak of clp->cl_acceptor string
- Fix race to sk_err after xs_error_report"
* tag 'nfs-for-5.4-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
SUNRPC: fix race to sk_err after xs_error_report
NFSv4: Fix leak of clp->cl_acceptor string
NFS: Remove redundant mirror tracking in O_DIRECT
NFS: Fix O_DIRECT accounting of number of bytes read/written
nfs: Fix nfsi->nrequests count error on nfs_inode_remove_request
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Merge tag '5.4-rc2-smb3' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Eight small SMB3 fixes, four for stable, and important fix for the
recent regression introduced by filesystem timestamp range patches"
* tag '5.4-rc2-smb3' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Force reval dentry if LOOKUP_REVAL flag is set
CIFS: Force revalidate inode when dentry is stale
smb3: Fix regression in time handling
smb3: remove noisy debug message and minor cleanup
CIFS: Gracefully handle QueryInfo errors during open
cifs: use cifsInodeInfo->open_file_lock while iterating to avoid a panic
fs: cifs: mute -Wunused-const-variable message
smb3: cleanup some recent endian errors spotted by updated sparse
- Fix broken external module builds due to a modpost bug in read_dump(),
where the namespace was not being strdup'd and sym->namespace would be
set to bogus data.
- Various namespace-related kbuild fixes and cleanups thanks to
Masahiro Yamada.
Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull module fixes from Jessica Yu:
"Code cleanups and kbuild/namespace related fixups from Masahiro.
Most importantly, it fixes a namespace-related modpost issue for
external module builds
- Fix broken external module builds due to a modpost bug in
read_dump(), where the namespace was not being strdup'd and
sym->namespace would be set to bogus data.
- Various namespace-related kbuild fixes and cleanups thanks to
Masahiro Yamada"
* tag 'modules-for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
doc: move namespaces.rst from kbuild/ to core-api/
nsdeps: make generated patches independent of locale
nsdeps: fix hashbang of scripts/nsdeps
kbuild: fix build error of 'make nsdeps' in clean tree
module: rename __kstrtab_ns_* to __kstrtabns_* to avoid symbol conflict
modpost: fix broken sym->namespace for external module builds
module: swap the order of symbol.namespace
scripts: add_namespace: Fix coccicheck failed
- Fix for a (harmless) warning when building vmbus without
CONFIG_PM_SLEEP.
- Fix for a memory leak (and optimization) in the hyperv mouse code.
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Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V fixes from Sasha Levin:
"Two fixes from Dexuan Cui:
- Fix a (harmless) warning when building vmbus without
CONFIG_PM_SLEEP
- Fix for a memory leak (and optimization) in the hyperv mouse code"
* tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
Drivers: hv: vmbus: Fix harmless building warnings without CONFIG_PM_SLEEP
HID: hyperv: Use in-place iterator API in the channel callback
Describe the fallthrough pseudo-keyword.
Convert the coding-style.rst example to the keyword style.
Add description and links to deprecated.rst.
Miguel Ojeda comments on the eventual [[fallthrough]] syntax:
"Note that C17/C18 does not have [[fallthrough]].
C++17 introduced it, as it is mentioned above. I would keep the
__attribute__((fallthrough)) -> [[fallthrough]] change you did,
though, since that is indeed the standard syntax (given the paragraph
references C++17).
I was told by Aaron Ballman (who is proposing them for C) that it is
more or less likely that it becomes standardized in C2x. However, it
is still not added to the draft (other attributes are already,
though). See N2268 and N2269:
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2268.pdf (fallthrough)
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2269.pdf (attributes in general)"
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reserve the pseudo keyword 'fallthrough' for the ability to convert the
various case block /* fallthrough */ style comments to appear to be an
actual reserved word with the same gcc case block missing fallthrough
warning capability.
All switch/case blocks now should end in one of:
break;
fallthrough;
goto <label>;
return [expression];
continue;
In C mode, GCC supports the __fallthrough__ attribute since 7.1,
the same time the warning and the comment parsing were introduced.
fallthrough devolves to an empty "do {} while (0)" if the compiler
version (any version less than gcc 7) does not support the attribute.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fallthrough will become a pseudo reserved keyword so this only use of
fallthrough is better renamed to allow it.
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
i915:
- execlist access fixes
- list deletion fix
- CML display fix
- HSW workaround extension to GT2
- chicken bit whitelist
- GGTT resume issue
- SKL GPU hangs for Vulkan compute
amdgpu:
- memory leak fix
panel:
- spi aliases
tc358767:
- bridge artifacts fix.
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Merge tag 'drm-fixes-2019-10-11' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"The regular fixes pull for rc3. The i915 team found some fixes they
(or I) missed for rc1, which is why this is a bit bigger than usual,
otherwise there is a single amdgpu fix, some spi panel aliases, and a
bridge fix.
i915:
- execlist access fixes
- list deletion fix
- CML display fix
- HSW workaround extension to GT2
- chicken bit whitelist
- GGTT resume issue
- SKL GPU hangs for Vulkan compute
amdgpu:
- memory leak fix
panel:
- spi aliases
tc358767:
- bridge artifacts fix"
* tag 'drm-fixes-2019-10-11' of git://anongit.freedesktop.org/drm/drm: (22 commits)
drm/bridge: tc358767: fix max_tu_symbol value
drm/i915/gt: execlists->active is serialised by the tasklet
drm/i915/execlists: Protect peeking at execlists->active
drm/i915: Fixup preempt-to-busy vs reset of a virtual request
drm/i915: Only enqueue already completed requests
drm/i915/execlists: Drop redundant list_del_init(&rq->sched.link)
drm/i915/cml: Add second PCH ID for CMP
drm/amdgpu: fix memory leak
drm/panel: tpo-td043mtea1: Fix SPI alias
drm/panel: tpo-td028ttec1: Fix SPI alias
drm/panel: sony-acx565akm: Fix SPI alias
drm/panel: nec-nl8048hl11: Fix SPI alias
drm/panel: lg-lb035q02: Fix SPI alias
drm/i915: Mark contents as dirty on a write fault
drm/i915: Prevent bonded requests from overtaking each other on preemption
drm/i915: Bump skl+ max plane width to 5k for linear/x-tiled
drm/i915: Verify the engine after acquiring the active.lock
drm/i915: Extend Haswell GT1 PSMI workaround to all
drm/i915: Don't mix srcu tag and negative error codes
drm/i915: Whitelist COMMON_SLICE_CHICKEN2
...
- Drop redundant list_del_init
- Only enqueue already completed requests to avoid races
- Fixup preempt-to-busy vs reset of a virtual request
- Protect peeking at execlists->active
- execlists->active is serialised by the tasklet
drm-intel-next-fixes-2019-09-19:
- Extend old HSW workaround to fix some GPU hangs on Haswell GT2
- Fix return error code on GEM mmap.
- White list a chicken bit register for push constants legacy mode on Mesa
- Fix resume issue related to GGTT restore
- Remove incorrect BUG_ON on execlist's schedule-out
- Fix unrecoverable GPU hangs with Vulkan compute workloads on SKL
drm-intel-next-fixes-2019-09-26:
- Fix concurrence on cases where requests where getting retired at same time as resubmitted to HW
- Fix gen9 display resolutions by setting the right max plane width
- Fix GPU hang on preemption
- Mark contents as dirty on a write fault. This was breaking cursor sprite with dumb buffers.
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Merge tag 'drm-intel-fixes-2019-10-10' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix CML display by adding a missing ID.
- Drop redundant list_del_init
- Only enqueue already completed requests to avoid races
- Fixup preempt-to-busy vs reset of a virtual request
- Protect peeking at execlists->active
- execlists->active is serialised by the tasklet
drm-intel-next-fixes-2019-09-19:
- Extend old HSW workaround to fix some GPU hangs on Haswell GT2
- Fix return error code on GEM mmap.
- White list a chicken bit register for push constants legacy mode on Mesa
- Fix resume issue related to GGTT restore
- Remove incorrect BUG_ON on execlist's schedule-out
- Fix unrecoverable GPU hangs with Vulkan compute workloads on SKL
drm-intel-next-fixes-2019-09-26:
- Fix concurrence on cases where requests where getting retired at same time as resubmitted to HW
- Fix gen9 display resolutions by setting the right max plane width
- Fix GPU hang on preemption
- Mark contents as dirty on a write fault. This was breaking cursor sprite with dumb buffers.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010143039.GA15313@intel.com
- SPI Aliases fixes for panels
- One fix for the tc358767 bridge dealing with visual artifacts
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Merge tag 'drm-misc-fixes-2019-10-10' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Short summary of fixes pull (less than what git shortlog provides):
- SPI Aliases fixes for panels
- One fix for the tc358767 bridge dealing with visual artifacts
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010105137.j6juxht5dsobgxph@gilmour
Since commit 4f8943f80883 ("SUNRPC: Replace direct task wakeups from
softirq context") there has been a race to the value of the sk_err if both
XPRT_SOCK_WAKE_ERROR and XPRT_SOCK_WAKE_DISCONNECT are set. In that case,
we may end up losing the sk_err value that existed when xs_error_report was
called.
Fix this by reverting to the previous behavior: instead of using SO_ERROR
to retrieve the value at a later time (which might also return sk_err_soft),
copy the sk_err value onto struct sock_xprt, and use that value to wake
pending tasks.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Fixes: 4f8943f80883 ("SUNRPC: Replace direct task wakeups from softirq context")
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
- Fix a rounding error in the fallocate code
- Minor code cleanups
- Make sure to zero memory buffers before formatting metadata blocks
- Fix a few places where we forgot to log an inode metadata update
- Remove broken error handling that tried to clean up after a failure
but still got it wrong
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Merge tag 'xfs-5.4-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"A couple of small code cleanups and bug fixes for rounding errors,
metadata logging errors, and an extra layer of safeguards against
leaking memory contents.
- Fix a rounding error in the fallocate code
- Minor code cleanups
- Make sure to zero memory buffers before formatting metadata blocks
- Fix a few places where we forgot to log an inode metadata update
- Remove broken error handling that tried to clean up after a failure
but still got it wrong"
* tag 'xfs-5.4-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: move local to extent inode logging into bmap helper
xfs: remove broken error handling on failed attr sf to leaf change
xfs: log the inode on directory sf to block format change
xfs: assure zeroed memory buffers for certain kmem allocations
xfs: removed unused error variable from xchk_refcountbt_rec
xfs: remove unused flags arg from xfs_get_aghdr_buf()
xfs: Fix tail rounding in xfs_alloc_file_space()
1. nbd_put takes the mutex and drops nbd->ref to 0. It then does
idr_remove and drops the mutex.
2. nbd_genl_connect takes the mutex. idr_find/idr_for_each fails
to find an existing device, so it does nbd_dev_add.
3. just before the nbd_put could call nbd_dev_remove or not finished
totally, but if nbd_dev_add try to add_disk, we can hit:
debugfs: Directory 'nbd1' with parent 'block' already present!
This patch will make sure all the disk add/remove stuff are done
by holding the nbd_index_mutex lock.
Reported-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'for-5.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few more stabitly fixes, one build warning fix.
- fix inode allocation under NOFS context
- fix leak in fiemap due to concurrent append writes
- fix log-root tree updates
- fix balance convert of single profile on 32bit architectures
- silence false positive warning on old GCCs (code moved in rc1)"
* tag 'for-5.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: silence maybe-uninitialized warning in clone_range
btrfs: fix uninitialized ret in ref-verify
btrfs: allocate new inode in NOFS context
btrfs: fix balance convert to single on 32-bit host CPUs
btrfs: fix incorrect updating of log root tree
Btrfs: fix memory leak due to concurrent append writes with fiemap
Pull dcache_readdir() fixes from Al Viro:
"The couple of patches you'd been OK with; no hlist conversion yet, and
cursors are still in the list of children"
[ Al is referring to future work to avoid some nasty O(n**2) behavior
with the readdir cursors when you have lots of concurrent readdirs.
This is just a fix for a race with a trivial cleanup - Linus ]
* 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
libfs: take cursors out of list when moving past the end of directory
Fix the locking in dcache_readdir() and friends
Pull mount fixes from Al Viro:
"A couple of regressions from the mount series"
* 'work.mount3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: add missing blkdev_put() in get_tree_bdev()
shmem: fix LSM options parsing
At the end of the v5.3 upstream kernel development cycle, Simon stepped
down from his role as Renesas SoC maintainer.
Remove his maintainership, git repository, and branch from the
MAINTAINERS file, and add an entry to the CREDITS file to honor his
work.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
max_tu_symbol was programmed to TU_SIZE_RECOMMENDED - 1, which is not
what the spec says. The spec says:
roundup ((input active video bandwidth in bytes/output active video
bandwidth in bytes) * tu_size)
It is not quite clear what the above means, but calculating
max_tu_symbol = (input Bps / output Bps) * tu_size seems to work and
fixes the issues seen.
This fixes artifacts in some videomodes (e.g. 1024x768@60 on 2-lanes &
1.62Gbps was pretty bad for me).
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190924131702.9988-1-tomi.valkeinen@ti.com
The return code from null_handle_zoned() sets the cmd->error value.
Returning OK status when an error occured overwrites the intended
cmd->error. Return the appropriate error code instead of setting the
error in the cmd.
Fixes: fceb5d1b19cbe626 ("null_blk: create a helper for zoned devices")
Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The active/pending execlists is no longer protected by the
engine->active.lock, but is serialised by the tasklet instead. Update
the locking around the debug and stats to follow suit.
v2: local_bh_disable() to prevent recursing into the tasklet in case we
trigger a softirq (Tvrtko)
Fixes: df403069029d ("drm/i915/execlists: Lift process_csb() out of the irq-off spinlock")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191009160906.16195-1-chris@chris-wilson.co.uk
(cherry picked from commit c36eebd9ba5d70b84e1e7408ccc7632566f285c4)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Now that we dropped the engine->active.lock serialisation from around
process_csb(), direct submission can run concurrently to the interrupt
handler. As such execlists->active may be advanced as we dequeue,
dropping the reference to the request. We need to employ our RCU request
protection to ensure that the request is not freed too early.
Fixes: df403069029d ("drm/i915/execlists: Lift process_csb() out of the irq-off spinlock")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191009100955.21477-1-chris@chris-wilson.co.uk
(cherry picked from commit c949ae431467764277cdd88d7c26ff963a9db40a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Due to the nature of preempt-to-busy the execlists active tracking and
the schedule queue may become temporarily desync'ed (between resubmission
to HW and its ack from HW). This means that we may have unwound a
request and passed it back to the virtual engine, but it is still
inflight on the HW and may even result in a GPU hang. If we detect that
GPU hang and try to reset, the hanging request->engine will no longer
match the current engine, which means that the request is not on the
execlists active list and we should not try to find an older incomplete
request. Given that we have deduced this must be a request on a virtual
engine, it is the single active request in the context and so must be
guilty (as the context is still inflight, it is prevented from being
executed on another engine as we process the reset).
Fixes: 22b7a426bbe1 ("drm/i915/execlists: Preempt-to-busy")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190923152844.8914-2-chris@chris-wilson.co.uk
(cherry picked from commit cb2377a919bbe8107af269c5a31a8d5cfb27d867)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
We should not remove the workqueue, we just need to ensure that the
workqueues are synced. The workqueues are torn down on ctx removal.
Cc: stable@vger.kernel.org
Fixes: 6b06314c47e1 ("io_uring: add file set registration")
Reported-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If we are asked to submit a completed request, just move it onto the
active-list without modifying it's payload. If we try to emit the
modified payload of a completed request, we risk racing with the
ring->head update during retirement which may advance the head past our
breadcrumb and so we generate a warning for the emission being behind
the RING_HEAD.
v2: Commentary for the sneaky, shared responsibility between functions.
v3: Spelling mistakes and bonus assertion
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190923110056.15176-3-chris@chris-wilson.co.uk
(cherry picked from commit c0bb487dc19fc45dbeede7dcf8f513df51a3cd33)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Since amalgamating the queued and active lists in commit 422d7df4f090
("drm/i915: Replace engine->timeline with a plain list"), performing a
i915_request_submit() will remove the request from the execlists
priority queue.
References: 422d7df4f090 ("drm/i915: Replace engine->timeline with a plain list")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190923110056.15176-2-chris@chris-wilson.co.uk
(cherry picked from commit 3231f8c01121ee1febfd82398ee22f7ff9dc5d76)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The CMP PCH ID we have in the driver is correct for the CML-U machines we have
in our CI system, but the CML-S and CML-H CI machines appear to use a
different PCH ID, leading our driver to detect no PCH for them.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
References: 729ae330a0f2e2 ("drm/i915/cml: Introduce Comet Lake PCH")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111461
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190916233251.387-1-matthew.d.roper@intel.com
Fixes: 729ae330a0f2e2 ("drm/i915/cml: Introduce Comet Lake PCH")
(cherry picked from commit 8698ba53cd7173c32320ebbef4d389d41ebb5780)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Various minor bug fixes posted in the last couple of weeks:
- Various missed memory frees and error unwind bugs
- Fix regressions in a few iwarp drivers from 5.4 patches
- A few regressions added in past kernels
- Squash a number of races in mlx5 ODP code
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"The usual collection of driver bug fixes, and a few regressions from
the merge window. Nothing particularly worrisome.
- Various missed memory frees and error unwind bugs
- Fix regressions in a few iwarp drivers from 5.4 patches
- A few regressions added in past kernels
- Squash a number of races in mlx5 ODP code"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/mlx5: Add missing synchronize_srcu() for MW cases
RDMA/mlx5: Put live in the correct place for ODP MRs
RDMA/mlx5: Order num_pending_prefetch properly with synchronize_srcu
RDMA/odp: Lift umem_mutex out of ib_umem_odp_unmap_dma_pages()
RDMA/mlx5: Fix a race with mlx5_ib_update_xlt on an implicit MR
RDMA/mlx5: Do not allow rereg of a ODP MR
IB/core: Fix wrong iterating on ports
RDMA/nldev: Reshuffle the code to avoid need to rebind QP in error path
RDMA/cxgb4: Do not dma memory off of the stack
RDMA/cm: Fix memory leak in cm_add/remove_one
RDMA/core: Fix an error handling path in 'res_get_common_doit()'
RDMA/i40iw: Associate ibdev to netdev before IB device registration
RDMA/iwcm: Fix a lock inversion issue
RDMA/iw_cxgb4: fix SRQ access from dump_qp()
RDMA/hfi1: Prevent memory leak in sdma_init
RDMA/core: Fix use after free and refcnt leak on ndev in_device in iwarp_query_port
RDMA/siw: Fix serialization issue in write_space()
RDMA/vmw_pvrdma: Free SRQ only once
cleanup error handling code and make sure temporary info array
with the handles are freed by amdgpu_bo_list_put() on
idr_replace()'s failure.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
- Numerous fixes to the compat vDSO build system, especially when
combining gcc and clang
- Fix parsing of PAR_EL1 in spurious kernel fault detection
- Partial workaround for Neoverse-N1 erratum #1542419
- Fix IRQ priority masking on entry from compat syscalls
- Fix advertisment of FRINT HWCAP to userspace
- Attempt to workaround inlining breakage with '__always_inline'
- Fix accidental freeing of parent SVE state on fork() error path
- Add some missing NULL pointer checks in instruction emulation init
- Some formatting and comment fixes
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"A larger-than-usual batch of arm64 fixes for -rc3.
The bulk of the fixes are dealing with a bunch of issues with the
build system from the compat vDSO, which unfortunately led to some
significant Makefile rework to manage the horrible combinations of
toolchains that we can end up needing to drive simultaneously.
We came close to disabling the thing entirely, but Vincenzo was quick
to spin up some patches and I ended up picking up most of the bits
that were left [*]. Future work will look at disentangling the header
files properly.
Other than that, we have some important fixes all over, including one
papering over the miscompilation fallout from forcing
CONFIG_OPTIMIZE_INLINING=y, which I'm still unhappy about. Harumph.
We've still got a couple of open issues, so I'm expecting to have some
more fixes later this cycle.
Summary:
- Numerous fixes to the compat vDSO build system, especially when
combining gcc and clang
- Fix parsing of PAR_EL1 in spurious kernel fault detection
- Partial workaround for Neoverse-N1 erratum #1542419
- Fix IRQ priority masking on entry from compat syscalls
- Fix advertisment of FRINT HWCAP to userspace
- Attempt to workaround inlining breakage with '__always_inline'
- Fix accidental freeing of parent SVE state on fork() error path
- Add some missing NULL pointer checks in instruction emulation init
- Some formatting and comment fixes"
[*] Will's final fixes were
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
but they were already in linux-next by then and he didn't rebase
just to add those.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (21 commits)
arm64: armv8_deprecated: Checking return value for memory allocation
arm64: Kconfig: Make CONFIG_COMPAT_VDSO a proper Kconfig option
arm64: vdso32: Rename COMPATCC to CC_COMPAT
arm64: vdso32: Pass '--target' option to clang via VDSO_CAFLAGS
arm64: vdso32: Don't use KBUILD_CPPFLAGS unconditionally
arm64: vdso32: Move definition of COMPATCC into vdso32/Makefile
arm64: Default to building compat vDSO with clang when CONFIG_CC_IS_CLANG
lib: vdso: Remove CROSS_COMPILE_COMPAT_VDSO
arm64: vdso32: Remove jump label config option in Makefile
arm64: vdso32: Detect binutils support for dmb ishld
arm64: vdso: Remove stale files from old assembly implementation
arm64: vdso32: Fix broken compat vDSO build warnings
arm64: mm: fix spurious fault detection
arm64: ftrace: Ensure synchronisation in PLT setup for Neoverse-N1 #1542419
arm64: Fix incorrect irqflag restore for priority masking for compat
arm64: mm: avoid virt_to_phys(init_mm.pgd)
arm64: cpufeature: Effectively expose FRINT capability to userspace
arm64: Mark functions using explicit register variables as '__always_inline'
docs: arm64: Fix indentation and doc formatting
arm64/sve: Fix wrong free for task->thread.sve_state
...
The callers of xfs_bmap_local_to_extents_empty() log the inode
external to the function, yet this function is where the on-disk
format value is updated. Push the inode logging down into the
function itself to help prevent future mistakes.
Note that internal bmap callers track the inode logging flags
independently and thus may log the inode core twice due to this
change. This is harmless, so leave this code around for consistency
with the other attr fork conversion functions.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
xfs_attr_shortform_to_leaf() attempts to put the shortform fork back
together after a failed attempt to convert from shortform to leaf
format. While this code reallocates and copies back the shortform
attr fork data, it never resets the inode format field back to local
format. Further, now that the inode is properly logged after the
initial switch from local format, any error that triggers the
recovery code will eventually abort the transaction and shutdown the
fs. Therefore, remove the broken and unnecessary error handling
code.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
When a directory changes from shortform (sf) to block format, the sf
format is copied to a temporary buffer, the inode format is modified
and the updated format filled with the dentries from the temporary
buffer. If the inode format is modified and attempt to grow the
inode fails (due to I/O error, for example), it is possible to
return an error while leaving the directory in an inconsistent state
and with an otherwise clean transaction. This results in corruption
of the associated directory and leads to xfs_dabuf_map() errors as
subsequent lookups cannot accurately determine the format of the
directory. This problem is reproduced occasionally by generic/475.
The fundamental problem is that xfs_dir2_sf_to_block() changes the
on-disk inode format without logging the inode. The inode is
eventually logged by the bmapi layer in the common case, but error
checking introduces the possibility of failing the high level
request before this happens.
Update both of the dir2 and attr callers of
xfs_bmap_local_to_extents_empty() to log the inode core as
consistent with the bmap local to extent format change codepath.
This ensures that any subsequent errors after the format has changed
cause the transaction to abort.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
We no longer need the extra mirror length tracking in the O_DIRECT code,
as we are able to track the maximum contiguous length in dreq->max_count.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
When a series of O_DIRECT reads or writes are truncated, either due to
eof or due to an error, then we should return the number of contiguous
bytes that were received/sent starting at the offset specified by the
application.
Currently, we are failing to correctly check contiguity, and so we're
failing the generic/465 in xfstests when the race between the read
and write RPCs causes the file to get extended while the 2 reads are
outstanding. If the first read RPC call wins the race and returns with
eof set, we should treat the second read RPC as being truncated.
Reported-by: Su Yanjun <suyj.fnst@cn.fujitsu.com>
Fixes: 1ccbad9f9f9bd ("nfs: fix DIO good bytes calculation")
Cc: stable@vger.kernel.org # 4.1+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Mark inode for force revalidation if LOOKUP_REVAL flag is set.
This tells the client to actually send a QueryInfo request to
the server to obtain the latest metadata in case a directory
or a file were changed remotely. Only do that if the client
doesn't have a lease for the file to avoid unneeded round
trips to the server.
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Currently the client indicates that a dentry is stale when inode
numbers or type types between a local inode and a remote file
don't match. If this is the case attributes is not being copied
from remote to local, so, it is already known that the local copy
has stale metadata. That's why the inode needs to be marked for
revalidation in order to tell the VFS to lookup the dentry again
before openning a file. This prevents unexpected stale errors
to be returned to the user space when openning a file.
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Fixes: cb7a69e60590 ("cifs: Initialize filesystem timestamp ranges")
Only very old servers (e.g. OS/2 and DOS) did not support
DCE TIME (100 nanosecond granularity). Fix the checks used
to set minimum and maximum times.
Fixes xfstest generic/258 (on 5.4-rc1 and later)
CC: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Message was intended only for developer temporary build
In addition cleanup two minor warnings noticed by Coverity
and a trivial change to workaround a sparse warning
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
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Merge tag 'led-fixes-for-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED fixes from Jacek Anaszewski:
- fix a leftover from earlier stage of development in the documentation
of recently added led_compose_name() and fix old mistake in the
documentation of led_set_brightness_sync() parameter name.
- MAINTAINERS: add pointer to Pavel Machek's linux-leds.git tree.
Pavel is going to take over LED tree maintainership from myself.
* tag 'led-fixes-for-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
Add my linux-leds branch to MAINTAINERS
leds: core: Fix leds.h structure documentation
Add pointer to my git tree to MAINTAINERS. I'd like to maintain
linux-leds for-next branch for 5.5.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Update the leds.h structure documentation to define the
correct arguments.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
- Don't clear FLAG_IS_OUT when emulating open drain/source in
gpiolib.
- Fix up the usage of nonexclusive GPIO descriptors from device
trees.
- Fix the incorrect IEC offset when toggling trigger edge in
the Spreadtrum driver.
- Use the correct unit for debounce settings in the MAX77620
driver.
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Merge tag 'gpio-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
- don't clear FLAG_IS_OUT when emulating open drain/source in gpiolib
- fix up the usage of nonexclusive GPIO descriptors from device trees
- fix the incorrect IEC offset when toggling trigger edge in the
Spreadtrum driver
- use the correct unit for debounce settings in the MAX77620 driver
* tag 'gpio-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: max77620: Use correct unit for debounce times
gpio: eic: sprd: Fix the incorrect EIC offset when toggling
gpio: fix getting nonexclusive gpiods from DT
gpiolib: don't clear FLAG_IS_OUT when emulating open-drain/open-source
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Merge tag 'selinux-pr-20191007' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinuxfix from Paul Moore:
"One patch to ensure we don't copy bad memory up into userspace"
* tag 'selinux-pr-20191007' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: fix context string corruption in convert_context()
