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Merge tag 'drm-fixes-for-v4.16-rc6' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"i915, amd and nouveau fixes.
i915:
- backlight fix for some panels
- pm fix
- fencing fix
- some GVT fixes
amdgpu:
- backlight fix across suspend/resume
- object destruction ordering issue fix
- displayport fix
nouveau:
- two backlight fixes
- fix for some lockups
Pretty quiet week, seems like everyone was fixing backlights"
* tag 'drm-fixes-for-v4.16-rc6' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/bl: fix backlight regression
drm/nouveau/bl: Fix oops on driver unbind
drm/nouveau/mmu: ALIGN_DOWN correct variable
drm/i915/gvt: fix user copy warning by whitelist workload rb_tail field
drm/i915/gvt: Correct the privilege shadow batch buffer address
drm/amdgpu/dce: Don't turn off DP sink when disconnected
drm/amdgpu: save/restore backlight level in legacy dce code
drm/radeon: fix prime teardown order
drm/amdgpu: fix prime teardown order
drm/i915: Kick the rps worker when changing the boost frequency
drm/i915: Only prune fences after wait-for-all
drm/i915: Enable VBT based BL control for DP
drm/i915/gvt: keep oa config in shadow ctx
drm/i915/gvt: Add runtime_pm_get/put into gvt_switch_mmio
- Two warnings fix for runtime pm and usr copy (Xiong, Zhenyu)
- OA context fix for vGPU profiling (Min)
- privilege batch buffer reloc fix (Fred)
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Merge tag 'drm-intel-fixes-2018-03-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Only GVT fixes:
- Two warnings fix for runtime pm and usr copy (Xiong, Zhenyu)
- OA context fix for vGPU profiling (Min)
- privilege batch buffer reloc fix (Fred)
* tag 'drm-intel-fixes-2018-03-15' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915/gvt: fix user copy warning by whitelist workload rb_tail field
drm/i915/gvt: Correct the privilege shadow batch buffer address
drm/i915/gvt: keep oa config in shadow ctx
drm/i915/gvt: Add runtime_pm_get/put into gvt_switch_mmio
Pull vfs fixes from Al Viro:
- backport-friendly part of lock_parent() race fix
- a fix for an assumption in the heurisic used by path_connected() that
is not true on NFS
- livelock fixes for d_alloc_parallel()
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: Teach path_connected to handle nfs filesystems with multiple roots.
fs: dcache: Use READ_ONCE when accessing i_dir_seq
fs: dcache: Avoid livelock between d_alloc_parallel and __d_add
lock_parent() needs to recheck if dentry got __dentry_kill'ed under it
Unbinding nouveau on a dual GPU MacBook Pro oopses because we iterate
over the bl_connectors list in nouveau_backlight_exit() but skipped
initializing it in nouveau_backlight_init(). Stacktrace for posterity:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
IP: nouveau_backlight_exit+0x2b/0x70 [nouveau]
nouveau_display_destroy+0x29/0x80 [nouveau]
nouveau_drm_unload+0x65/0xe0 [nouveau]
drm_dev_unregister+0x3c/0xe0 [drm]
drm_put_dev+0x2e/0x60 [drm]
nouveau_drm_device_remove+0x47/0x70 [nouveau]
pci_device_remove+0x36/0xb0
device_release_driver_internal+0x157/0x220
driver_detach+0x39/0x70
bus_remove_driver+0x51/0xd0
pci_unregister_driver+0x2a/0xa0
nouveau_drm_exit+0x15/0xfb0 [nouveau]
SyS_delete_module+0x18c/0x290
system_call_fast_compare_end+0xc/0x6f
Fixes: b53ac1ee12 ("drm/nouveau/bl: Do not register interface if Apple GMUX detected")
Cc: stable@vger.kernel.org # v4.10+
Cc: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Commit 7110c89bb8852ff8b0f88ce05b332b3fe22bd11e ("mmu: swap out round
for ALIGN") replaced two calls to round/rounddown with ALIGN/ALIGN_DOWN,
but erroneously applied ALIGN_DOWN to a different variable (addr) and left
intended variable (tail) not rounded/ALIGNed.
As a result screen corruption, X lockups are observable. An example of kernel
log of affected system with NV98 card where it was bisected:
nouveau 0000:01:00.0: gr: TRAP_M2MF 00000002 [IN]
nouveau 0000:01:00.0: gr: TRAP_M2MF 00320951 400007c0 00000000 04000000
nouveau 0000:01:00.0: gr: 00200000 [] ch 1 [000fbbe000 DRM] subc 4 class 5039
mthd 0100 data 00000000
nouveau 0000:01:00.0: fb: trapped read at 0040000000 on channel 1
[0fbbe000 DRM]
engine 00 [PGRAPH] client 03 [DISPATCH] subclient 04 [M2M_IN] reason 00000006
[NULL_DMAOBJ]
Fixes bug 105173 ("[MCP79][Regression] Unhandled NULL pointer dereference in
nvkm_object_unmap since kernel 4.15")
https://bugs.freedesktop.org/show_bug.cgi?id=105173
Fixes: 7110c89bb885 ("mmu: swap out round for ALIGN ")
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Reviewed-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Maris Nartiss <maris.nartiss@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org # v4.15+
On nfsv2 and nfsv3 the nfs server can export subsets of the same
filesystem and report the same filesystem identifier, so that the nfs
client can know they are the same filesystem. The subsets can be from
disjoint directory trees. The nfsv2 and nfsv3 filesystems provides no
way to find the common root of all directory trees exported form the
server with the same filesystem identifier.
The practical result is that in struct super s_root for nfs s_root is
not necessarily the root of the filesystem. The nfs mount code sets
s_root to the root of the first subset of the nfs filesystem that the
kernel mounts.
This effects the dcache invalidation code in generic_shutdown_super
currently called shrunk_dcache_for_umount and that code for years
has gone through an additional list of dentries that might be dentry
trees that need to be freed to accomodate nfs.
When I wrote path_connected I did not realize nfs was so special, and
it's hueristic for avoiding calling is_subdir can fail.
The practical case where this fails is when there is a move of a
directory from the subtree exposed by one nfs mount to the subtree
exposed by another nfs mount. This move can happen either locally or
remotely. With the remote case requiring that the move directory be cached
before the move and that after the move someone walks the path
to where the move directory now exists and in so doing causes the
already cached directory to be moved in the dcache through the magic
of d_splice_alias.
If someone whose working directory is in the move directory or a
subdirectory and now starts calling .. from the initial mount of nfs
(where s_root == mnt_root), then path_connected as a heuristic will
not bother with the is_subdir check. As s_root really is not the root
of the nfs filesystem this heuristic is wrong, and the path may
actually not be connected and path_connected can fail.
The is_subdir function might be cheap enough that we can call it
unconditionally. Verifying that will take some benchmarking and
the result may not be the same on all kernels this fix needs
to be backported to. So I am avoiding that for now.
Filesystems with snapshots such as nilfs and btrfs do something
similar. But as the directory tree of the snapshots are disjoint
from one another and from the main directory tree rename won't move
things between them and this problem will not occur.
Cc: stable@vger.kernel.org
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Fixes: 397d425dc2 ("vfs: Test for and handle paths that are unreachable from their mnt_root")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
pmdp_invalidate() was changed to update the pmd atomically
(to not lose dirty/access bits) and return the original pmd
value.
However, in doing so, we lost a lot of the essential work that
set_pmd_at() does, namely to update hugepage mapping counts and
queuing up the batched TLB flush entry.
Thus we were not flushing entries out of the TLB when making
such PMD changes.
Fix this by abstracting the accounting work of set_pmd_at() out into a
separate function, and call it from pmdp_establish().
Fixes: a8e654f01c ("sparc64: update pmdp_invalidate() to return old pmd value")
Signed-off-by: David S. Miller <davem@davemloft.net>
A series of small fixes in ASoC, HD-audio and core stuff:
- A UAF fix in ALSA PCM core
- Yet more hardening for ALSA sequencer
- A regression fix for the previous HD-audio power_save option change
- Various ASoC codec fixes (sgtl5000, rt5651, hdmi-codec, wm_adsp)
- Minor ASoC platform fixes (AMD ACP, sun4i)
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Merge tag 'sound-4.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A series of small fixes in ASoC, HD-audio and core stuff:
- a UAF fix in ALSA PCM core
- yet more hardening for ALSA sequencer
- a regression fix for the previous HD-audio power_save option change
- various ASoC codec fixes (sgtl5000, rt5651, hdmi-codec, wm_adsp)
- minor ASoC platform fixes (AMD ACP, sun4i)"
* tag 'sound-4.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Revert power_save option default value
ALSA: pcm: Fix UAF in snd_pcm_oss_get_formats()
ALSA: seq: Clear client entry before deleting else at closing
ALSA: seq: Fix possible UAF in snd_seq_check_queue()
ASoC: amd: 16bit resolution support for i2s sp instance
ASoC: wm_adsp: For TLV controls only register TLV get/set
ASoC: sun4i-i2s: Fix RX slot number of SUN8I
ASoC: hdmi-codec: Fix module unloading caused kernel crash
ASoC: rt5651: Fix regcache sync errors on resume
ASoC: sgtl5000: Fix suspend/resume
MAINTAINERS: Add myself as sgtl5000 maintainer
ASoC: samsung: Add the DT binding files entry to MAINTAINERS
sgtl5000: change digital_mute policy
- 2 DM multipath fixes for a fix that was merged into 4.15-rc5
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Merge tag 'for-4.16/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- a stable DM multipath fix to restore ability to pass integrity data
- two DM multipath fixes for a fix that was merged into 4.16-rc5
* tag 'for-4.16/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm mpath: fix passing integrity data
dm mpath: eliminate need to use scsi_device_from_queue
dm mpath: fix uninitialized 'pg_init_wait' waitqueue_head NULL pointer
Once the ring buffer is copied to ring_scan_buffer and scanned,
the shadow batch buffer start address is only updated into
ring_scan_buffer, not the real ring address allocated through
intel_ring_begin in later copy_workload_to_ring_buffer.
This patch is only to set the right shadow batch buffer address
from Ring buffer, not include the shadow_wa_ctx.
v2:
- refine some comments. (Zhenyu)
v3:
- fix typo in title. (Zhenyu)
v4:
- remove the unnecessary comments. (Zhenyu)
- add comments in bb_start_cmd_va update. (Zhenyu)
Fixes: 0a53bc07f0 ("drm/i915/gvt: Separate cmd scan from request allocation")
Cc: stable@vger.kernel.org # v4.15
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Yulei Zhang <yulei.zhang@intel.com>
Signed-off-by: fred gao <fred.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This is four patches, consisting of one regression from the merge
window (qla2xxx) one lonstanding memory leak (sd_zbc) one event queue
mislabelling which we want to eliminate to discourage the pattern
(mpt3sas) and one behaviour change because re-reading the partition
table shouldn't clear the ro flag.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is four patches, consisting of one regression from the merge
window (qla2xxx), one long-standing memory leak (sd_zbc), one event
queue mislabelling which we want to eliminate to discourage the
pattern (mpt3sas), and one behaviour change because re-reading the
partition table shouldn't clear the ro flag"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sd: Keep disk read-only when re-reading partition
scsi: qla2xxx: Fix crashes in qla2x00_probe_one on probe failure
scsi: sd_zbc: Fix potential memory leak
scsi: mpt3sas: Do not mark fw_event workqueue as WQ_MEM_RECLAIM
geo->keylen cannot be larger than 4. So we might as well make
fixed-size allocations.
Given the one remaining user, geo->keylen cannot even be larger than 1.
Logfs used to have 64bit and 128bit keys, tcm_qla2xxx only has 32bit
keys. But let's not break the code if we don't have to.
Signed-off-by: Joern Engel <joern@purestorage.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull percpu_ref rcu fixes from Tejun Heo:
"Jann Horn found that aio was depending on the internal RCU grace
periods of percpu-ref and that it's broken because aio uses regular
RCU while percpu_ref uses sched-RCU.
Depending on percpu_ref's internal grace periods isn't a good idea
because
- The RCU type might not match.
- percpu_ref's grace periods are used to switch to atomic mode. They
aren't between the last put and the invocation of the last release.
This is easy to get confused about and can lead to subtle bugs.
- percpu_ref might not have grace periods at all depending on its
current operation mode.
This patchset audits and fixes percpu_ref users for their RCU usages"
[ There's a continuation of this series that clarifies percpu_ref
documentation that the internal grace periods must not be depended
upon, and introduces rcu_work to simplify bouncing to a workqueue
after an RCU grace period.
That will go in for 4.17 - this is just the minimal set with the fixes
that are tagged for -stable ]
* 'percpu_ref-rcu-audit-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc:
RDMAVT: Fix synchronization around percpu_ref
fs/aio: Use RCU accessors for kioctx_table->table[]
fs/aio: Add explicit RCU grace period when freeing kioctx
This reverts commit 864b75f9d6.
Commit 864b75f9d6 ("mm/page_alloc: fix memmap_init_zone pageblock
alignment") modified the logic in memmap_init_zone() to initialize
struct pages associated with invalid PFNs, to appease a VM_BUG_ON()
in move_freepages(), which is redundant by its own admission, and
dereferences struct page fields to obtain the zone without checking
whether the struct pages in question are valid to begin with.
Commit 864b75f9d6 only makes it worse, since the rounding it does
may cause pfn assume the same value it had in a prior iteration of
the loop, resulting in an infinite loop and a hang very early in the
boot. Also, since it doesn't perform the same rounding on start_pfn
itself but only on intermediate values following an invalid PFN, we
may still hit the same VM_BUG_ON() as before.
So instead, let's fix this at the core, and ensure that the BUG
check doesn't dereference struct page fields of invalid pages.
Fixes: 864b75f9d6 ("mm/page_alloc: fix memmap_init_zone pageblock alignment")
Tested-by: Jan Glauber <jglauber@cavium.com>
Tested-by: Shanker Donthineni <shankerd@codeaurora.org>
Cc: Daniel Vacek <neelx@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- 1 gem fix for fences
- 1 gem/pm fix for rps freq
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Merge tag 'drm-intel-fixes-2018-03-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- 1 display fix for bxt
- 1 gem fix for fences
- 1 gem/pm fix for rps freq
* tag 'drm-intel-fixes-2018-03-14' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915: Kick the rps worker when changing the boost frequency
drm/i915: Only prune fences after wait-for-all
drm/i915: Enable VBT based BL control for DP
A few fixes for 4.16:
- Fix a backlight S/R regression on amdgpu
- Fix prime teardown on radeon and amdgpu
- DP fix for amdgpu
* 'drm-fixes-4.16' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu/dce: Don't turn off DP sink when disconnected
drm/amdgpu: save/restore backlight level in legacy dce code
drm/radeon: fix prime teardown order
drm/amdgpu: fix prime teardown order
Turning off the sink in this case causes various issues, because
userspace expects it to stay on until it turns it off explicitly.
Instead, turn the sink off and back on when a display is connected
again. This dance seems necessary for link training to work correctly.
Bugzilla: https://bugs.freedesktop.org/105308
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Save/restore the backlight level scratch register in S3/S4 so the
backlight level comes back at the previously requested level.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=199047
Fixes: 4ec6ecf48c (drm/amdgpu: drop scratch regs save and restore from S3/S4 handling)
Acked-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We unmapped imported DMA-bufs when the GEM handle was dropped, not when the
hardware was done with the buffere.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We unmapped imported DMA-bufs when the GEM handle was dropped, not when the
hardware was done with the buffere.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
DELL_SMBIOS conditionally depends on ACPI_WMI in the same way it depends
on DCDBAS, update the Kconfig accordingly. Correct the driver init order
to ensure that the driver dependencies are met, avoiding race conditions
resulting in boot failure on certain systems when the drivers are
built-in.
The following is an automated git shortlog grouped by driver:
dell-smbios and related drivers:
- Fix dell driver init order
- Resolve dependency error on ACPI_WMI
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Merge tag 'platform-drivers-x86-v4.16-7' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform drives fixes from Darren Hart:
- DELL_SMBIOS conditionally depends on ACPI_WMI in the same way it
depends on DCDBAS, update the Kconfig accordingly.
- fix the dell driver init order to ensure that the driver dependencies
are met, avoiding race conditions resulting in boot failure on
certain systems when the drivers are built-in.
* tag 'platform-drivers-x86-v4.16-7' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: Fix dell driver init order
platform/x86: dell-smbios: Resolve dependency error on ACPI_WMI
After v4.12 commit e2460f2a4b ("dm: mark targets that pass integrity
data"), dm-multipath, e.g. on DIF+DIX SCSI disk paths, does not support
block integrity any more. So add it to the whitelist.
This is also a pre-requisite to use block integrity with other dm layer(s)
on top of multipath, such as kpartx partitions (dm-linear) or LVM.
Also, bump target version to reflect this fix.
Fixes: e2460f2a4b ("dm: mark targets that pass integrity data")
Cc: <stable@vger.kernel.org> #4.12+
Bisected-by: Fedor Loshakov <loshakov@linux.vnet.ibm.com>
Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
rvt_mregion uses percpu_ref for reference counting and RCU to protect
accesses from lkey_table. When a rvt_mregion needs to be freed, it
first gets unregistered from lkey_table and then rvt_check_refs() is
called to wait for in-flight usages before the rvt_mregion is freed.
rvt_check_refs() seems to have a couple issues.
* It has a fast exit path which tests percpu_ref_is_zero(). However,
a percpu_ref reading zero doesn't mean that the object can be
released. In fact, the ->release() callback might not even have
started executing yet. Proceeding with freeing can lead to
use-after-free.
* lkey_table is RCU protected but there is no RCU grace period in the
free path. percpu_ref uses RCU internally but it's sched-RCU whose
grace periods are different from regular RCU. Also, it generally
isn't a good idea to depend on internal behaviors like this.
To address the above issues, this patch removes the fast exit and adds
an explicit synchronize_rcu().
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: linux-rdma@vger.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
While converting ioctx index from a list to a table, db446a08c2
("aio: convert the ioctx list to table lookup v3") missed tagging
kioctx_table->table[] as an array of RCU pointers and using the
appropriate RCU accessors. This introduces a small window in the
lookup path where init and access may race.
Mark kioctx_table->table[] with __rcu and use the approriate RCU
accessors when using the field.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Jann Horn <jannh@google.com>
Fixes: db446a08c2 ("aio: convert the ioctx list to table lookup v3")
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@vger.kernel.org # v3.12+
While fixing refcounting, e34ecee2ae ("aio: Fix a trinity splat")
incorrectly removed explicit RCU grace period before freeing kioctx.
The intention seems to be depending on the internal RCU grace periods
of percpu_ref; however, percpu_ref uses a different flavor of RCU,
sched-RCU. This can lead to kioctx being freed while RCU read
protected dereferences are still in progress.
Fix it by updating free_ioctx() to go through call_rcu() explicitly.
v2: Comment added to explain double bouncing.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Jann Horn <jannh@google.com>
Fixes: e34ecee2ae ("aio: Fix a trinity splat")
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@vger.kernel.org # v3.13+
Update the initcall ordering to satisfy the following dependency
ordering:
1. DCDBAS, ACPI_WMI
2. DELL_SMBIOS, DELL_RBTN
3. DELL_LAPTOP, DELL_WMI
By assigning them to the following initcall levels:
subsys_initcall: DCDBAS, ACPI_WMI
module_init: DELL_SMBIOS, DELL_RBTN
late_initcall: DELL_LAPTOP, DELL_WMI
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Mario.Limonciello@dell.com
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Similarly to DCDBAS for DELL_SMBIOS_SMM, if DELL_SMBIOS_WMI is enabled,
DELL_SMBIOS becomes dependent on ACPI_WMI. Update the depends lines to
prevent a configuration where DELL_SMBIOS=y and either backend
dependency =m. Update the comment accordingly.
Cc: Mario Limonciello <mario.limonciello@dell.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Here are a small clump of USB fixes for 4.16-rc6.
Nothing major, just a number of fixes in lots of different drivers, as
well as a PHY driver fix that snuck into this tree. Full details are in
the shortlog.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a small clump of USB fixes for 4.16-rc6.
Nothing major, just a number of fixes in lots of different drivers, as
well as a PHY driver fix that snuck into this tree. Full details are
in the shortlog.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
usb: musb: Fix external abort in musb_remove on omap2430
phy: qcom-ufs: add MODULE_LICENSE tag
usb: typec: tcpm: fusb302: Do not log an error on -EPROBE_DEFER
USB: OHCI: Fix NULL dereference in HCDs using HCD_LOCAL_MEM
usbip: vudc: fix null pointer dereference on udc->lock
xhci: Fix front USB ports on ASUS PRIME B350M-A
usb: host: xhci-plat: revert "usb: host: xhci-plat: enable clk in resume timing"
usb: usbmon: Read text within supplied buffer size
usb: host: xhci-rcar: add support for r8a77965
USB: storage: Add JMicron bridge 152d:2567 to unusual_devs.h
usb: xhci: dbc: Fix lockdep warning
xhci: fix endpoint context tracer output
Revert "typec: tcpm: Only request matching pdos"
usb: musb: call pm_runtime_{get,put}_sync before reading vbus registers
usb: quirks: add control message delay for 1b1c:1b20
uas: fix comparison for error code
usb: gadget: udc: renesas_usb3: add binging for r8a77965
usb: renesas_usbhs: add binding for r8a77965
usb: dwc2: fix STM32F7 USB OTG HS compatible
dt-bindings: usb: fix the STM32F7 DWC2 OTG HS core binding
...
Here are some small TTY core and Serial driver fixes for 4.16-rc6.
They resolve some newly reported bugs, as well as some very old ones,
which is always nice to see. There is also a new device id added in
here for good measure.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty core and serial driver fixes for 4.16-rc6.
They resolve some newly reported bugs, as well as some very old ones,
which is always nice to see. There is also a new device id added in
here for good measure.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: imx: fix bogus dev_err
serial: sh-sci: prevent lockup on full TTY buffers
serial: 8250_pci: Add Brainboxes UC-260 4 port serial device
earlycon: add reg-offset to physical address before mapping
serial: core: mark port as initialized in autoconfig
serial: 8250_pci: Don't fail on multiport card class
tty/serial: atmel: add new version check for usart
tty: make n_tty_read() always abort if hangup is in progress
Here are 3 staging driver fixes for 4.16-rc6
Two of them are lockdep fixes for the ashmem driver that have been
reported by a number of people recently. The last one is a fix for the
comedi driver core.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging fixes from Greg KH:
"Here are three staging driver fixes for 4.16-rc6
Two of them are lockdep fixes for the ashmem driver that have been
reported by a number of people recently. The last one is a fix for the
comedi driver core.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-4.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: android: ashmem: Fix possible deadlock in ashmem_ioctl
staging: comedi: fix comedi_nsamples_left.
staging: android: ashmem: Fix lockdep issue during llseek
- A couple of uninitialized warnings reported by the build service.
- A doc comment warning under W=1.
- Three fall through comments not recognized under W=1.
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Merge tag 'auxdisplay-for-linus-v4.16-rc6' of git://github.com/ojeda/linux
Pull auxdisplay fixes from Miguel Ojeda:
"Silence a few warnings in auxdisplay.
- a couple of uninitialized warnings reported by the build service
- a doc comment warning under W=1
- three fall-through comments not recognized under W=1"
* tag 'auxdisplay-for-linus-v4.16-rc6' of git://github.com/ojeda/linux:
auxdisplay: img-ascii-lcd: Silence 2 uninitialized warnings
auxdisplay: img-ascii-lcd: Fix doc comment to silence warnings
auxdisplay: panel: Change comments to silence fallthrough warnings
Initialize all the scsi_dh related 'struct multipath' members regardless
of whether a scsi_dh is in use or not.
The subtle (and fragile) SCSI-assuming legacy code clearly needs further
decoupling from non-SCSI (and/or developer understanding).
Fixes: 8d47e65948 ("dm mpath: remove unnecessary NVMe branching in favor of scsi_dh checks")
Reported-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
The warnings are:
drivers/auxdisplay/img-ascii-lcd.c: warning: 'err' may be used
uninitialized in this function [-Wuninitialized]
At lines 109 and 207. Reported by Geert using the build service
several times, e.g.:
https://lkml.org/lkml/2018/2/19/303
They are two false positives, since num_chars > 0 in the three present
configurations (boston, malta, sead3). Initialize to 0 in order to
silence the warning.
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Paul Burton <paul.burton@mips.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Compiling with W=1 with gcc 7.2.0 gives 2 warnings:
drivers/auxdisplay/img-ascii-lcd.c:233: warning: Function parameter or
member 't' not described in 'img_ascii_lcd_scroll'
drivers/auxdisplay/img-ascii-lcd.c:233: warning: Excess function
parameter 'arg' description in 'img_ascii_lcd_scroll'
Cc: Paul Burton <paul.burton@mips.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Compiling with W=1 with gcc 7.2.0 gives 3 warnings like:
drivers/auxdisplay/panel.c: In function ‘panel_process_inputs’:
drivers/auxdisplay/panel.c:1374:17: warning: this statement may fall
through [-Wimplicit-fallthrough=]
Cc: Willy Tarreau <w@1wt.eu>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
This fixes an oops on unbind / module unload (on the musb omap2430
platform).
musb_remove function now calls musb_platform_exit before disabling
runtime pm.
Signed-off-by: Merlijn Wajer <merlijn@wizzup.org>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The boost frequency is only applied from the RPS worker while someone is
waiting on a request and requested a boost. As such, when the user
wishes to change the frequency, we have to kick the worker in order to
re-evaluate whether to apply the boost frequency.
v2: Check num_waiters to decide if we should kick the worker to handle
boosting.
Fixes: 29ecd78d3b ("drm/i915: Define a separate variable and control for RPS waitboost frequency")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180308142648.4016-1-chris@chris-wilson.co.uk
(cherry picked from commit 59cd31f177)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Currently, we only allow ourselves to prune the fences so long as
all the waits completed (i.e. all the fences we checked were signaled),
and that the reservation snapshot did not change across the wait.
However, if we only waited for a subset of the reservation object, i.e.
just waiting for the last writer to complete as opposed to all readers
as well, then we would erroneously conclude we could prune the fences as
indeed although all of our waits were successful, they did not represent
the totality of the reservation object.
v2: We only need to check the shared fences due to construction (i.e.
all of the shared fences will be later than the exclusive fence, if
any).
Fixes: e54ca97747 ("drm/i915: Remove completed fences after a wait")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180307171303.29466-1-chris@chris-wilson.co.uk
(cherry picked from commit fa73055b84)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Currently, BXT_PP is hardcoded with value '0'.
It practically disabled eDP backlight on MRB (BXT) platform.
This patch will tell which BXT_PP registers (there are two set of
PP_CONTROL in the spec) to be used as defined in VBT (Video Bios Timing
table) and this will enabled eDP backlight controller on MRB (BXT)
platform.
v2:
- Remove unnecessary information in commit message.
- Assign vbt.backlight.controller to a backlight_controller variable and
return the variable value.
v3:
- Rebased to latest code base.
- updated commit title.
Signed-off-by: Mustamin B Mustaffa <mustamin.b.mustaffa@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180227030734.37901-1-mustamin.b.mustaffa@intel.com
(cherry picked from commit 73c0fcac97)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Hightlights include the following stable fixes:
- NFS: Fix an incorrect type in struct nfs_direct_req
- pNFS: Prevent the layout header refcount going to zero in pnfs_roc()
- NFS: Fix unstable write completion
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Merge tag 'nfs-for-4.16-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Hightlights include the following stable fixes:
- NFS: Fix an incorrect type in struct nfs_direct_req
- pNFS: Prevent the layout header refcount going to zero in
pnfs_roc()
- NFS: Fix unstable write completion"
* tag 'nfs-for-4.16-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Fix unstable write completion
pNFS: Prevent the layout header refcount going to zero in pnfs_roc()
NFS: Fix an incorrect type in struct nfs_direct_req
This is a fairly standard collection of fixes, there's no changes to the
core here just a bunch of small device specific changes for single
drivers plus an update to the MAINTAINERS file for the sgl5000.
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Merge tag 'asoc-fix-v4.16-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.16
This is a fairly standard collection of fixes, there's no changes to the
core here just a bunch of small device specific changes for single
drivers plus an update to the MAINTAINERS file for the sgl5000.
With the commit 1ba8f9d308 ("ALSA: hda: Add a power_save
blacklist"), we changed the default value of power_save option to -1
for processing the power-save blacklist.
Unfortunately, this seems breaking user-space applications that
actually read the power_save parameter value via sysfs and judge /
adjust the power-saving status. They see the value -1 as if the
power-save is turned off, although the actual value is taken from
CONFIG_SND_HDA_POWER_SAVE_DEFAULT and it can be a positive.
So, overall, passing -1 there was no good idea. Let's partially
revert it -- at least for power_save option default value is restored
again to CONFIG_SND_HDA_POWER_SAVE_DEFAULT. Meanwhile, in this patch,
we keep the blacklist behavior and make is adjustable via the new
option, pm_blacklist.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=199073
Fixes: 1ba8f9d308 ("ALSA: hda: Add a power_save blacklist")
Acked-by: Hans de Goede <hdegoede@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
*) Fix a Kbuild failure in qcom-ufs
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.16-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
phy: for 4.16-rc
*) Fix a Kbuild failure in qcom-ufs
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
While the specific UFS PHY drivers (14nm and 20nm) have a module
license, the common base module does not, leading to a Kbuild
failure:
WARNING: modpost: missing MODULE_LICENSE() in drivers/phy/qualcomm/phy-qcom-ufs.o
FATAL: modpost: GPL-incompatible module phy-qcom-ufs.ko uses GPL-only symbol 'clk_enable'
This adds a module description and license tag to fix the build.
I added both Yaniv and Vivek as authors here, as Yaniv sent the initial
submission, while Vivek did most of the work since.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
