Pull i2c fixes from Wolfram Sang:
"Two bugfixes from I2C, specifically the I2C mux section. Thanks to
peda for collecting them"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: mux: pca954x: Add missing pca9546 definition to chip_desc
Revert "i2c: mux: pca954x: Add ACPI support for pca954x"
- reading clk from driver vs. device tree [Vlad]
- Fix support for UIO in VDK platform [Alexey]
- SLC busy bit reading workaround
- build warning with kprobes header reorg
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Merge tag 'arc-4.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Accumulated fixes for ARC which I've been been sitting on for a while:
- reading clk from driver vs device tree [Vlad]
- fix support for UIO in VDK platform [Alexey]
- SLC busy bit reading workaround
- build warning with kprobes header reorg"
* tag 'arc-4.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: fix build warnings with !CONFIG_KPROBES
ARCv2: SLC: Make sure busy bit is set properly on SLC flushing
ARC: vdk: Fix support of UIO
ARCv2: make unimplemented vectors as no-ops rather than halt core
ARC: get rate from clk driver instead of reading device tree
ARC: [dts] add cpu nodes to ARCHS SMP device tree
ARC: [dts] add input clocks for cpu nodes
backchannel; fix. Also some minor refinements to the nfsd
version-setting interface that we'd like to get fixed before release.
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Merge tag 'nfsd-4.11-1' of git://linux-nfs.org/~bfields/linux
Pull nfsd fixes from Bruce Fields:
"The restriction of NFSv4 to TCP went overboard and also broke the
backchannel; fix.
Also some minor refinements to the nfsd version-setting interface that
we'd like to get fixed before release"
* tag 'nfsd-4.11-1' of git://linux-nfs.org/~bfields/linux:
svcrdma: set XPT_CONG_CTRL flag for bc xprt
NFSD: fix nfsd_reset_versions for NFSv4.
NFSD: fix nfsd_minorversion(.., NFSD_AVAIL)
NFSD: further refinement of content of /proc/fs/nfsd/versions
nfsd: map the ENOKEY to nfserr_perm for avoiding warning
SUNRPC/backchanel: set XPT_CONG_CTRL flag for bc xprt
Simple integer for interrupt number is not expressive enough, as it does
not convey interrupt trigger type that should be used. Let's allow
attaching array of resources to the board info and have i2c core parse
first IRQ resource and set up interrupt trigger as needed.
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This will allow marking device property lists as __initdata, the same as
board info structures themselves.
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
i2c bus has 2 different types of device belonging to the same bus and
bus notifiers use device type to distinguish between adapters and clients.
Previously we only had i2c_adapter_type exported, which made code wanting
to work with i2c_client devices test for type not equal to adapter type.
This unfortunately is not safe if we ever add another type to the bus,
so let's export i2c_client_type as well.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The work-around for the Qualcomm Datacenter Technologies QDF2400
erratum 44 sets the "qdf2400_e44_present" global variable if the
work-around is needed. However, this check does not happen until after
earlycon is initialized, which means the work-around is not
used, and the console hangs as soon as it displays one character.
Fixes: d8a4995bce ("tty: pl011: Work around QDF2400 E44 stuck BUSY bit")
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull btrfs fixes from Chris Mason:
"We have three small fixes queued up in my for-linus-4.11 branch"
* 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix an integer overflow check
btrfs: Change qgroup_meta_rsv to 64bit
Btrfs: bring back repair during read
kbuild test robot reported a non-static variable name collision between
a staging driver and a RapidIO driver, with a generic variable name of
'dbg_level'.
Both drivers should be changed so that they don't use this generic
public variable name. This patch fixes the RapidIO driver but does not
change the user interface (name) for the module parameter.
drivers/staging/built-in.o:(.bss+0x109d0): multiple definition of `dbg_level'
drivers/rapidio/built-in.o:(.bss+0x16c): first defined here
Link: http://lkml.kernel.org/r/ab527fc5-aa3c-4b07-5d48-eef5de703192@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Changes to hugetlbfs reservation maps is a two step process. The first
step is a call to region_chg to determine what needs to be changed, and
prepare that change. This should be followed by a call to call to
region_add to commit the change, or region_abort to abort the change.
The error path in hugetlb_reserve_pages called region_abort after a
failed call to region_chg. As a result, the adds_in_progress counter in
the reservation map is off by 1. This is caught by a VM_BUG_ON in
resv_map_release when the reservation map is freed.
syzkaller fuzzer (when using an injected kmalloc failure) found this
bug, that resulted in the following:
kernel BUG at mm/hugetlb.c:742!
Call Trace:
hugetlbfs_evict_inode+0x7b/0xa0 fs/hugetlbfs/inode.c:493
evict+0x481/0x920 fs/inode.c:553
iput_final fs/inode.c:1515 [inline]
iput+0x62b/0xa20 fs/inode.c:1542
hugetlb_file_setup+0x593/0x9f0 fs/hugetlbfs/inode.c:1306
newseg+0x422/0xd30 ipc/shm.c:575
ipcget_new ipc/util.c:285 [inline]
ipcget+0x21e/0x580 ipc/util.c:639
SYSC_shmget ipc/shm.c:673 [inline]
SyS_shmget+0x158/0x230 ipc/shm.c:657
entry_SYSCALL_64_fastpath+0x1f/0xc2
RIP: resv_map_release+0x265/0x330 mm/hugetlb.c:742
Link: http://lkml.kernel.org/r/1490821682-23228-1-git-send-email-mike.kravetz@oracle.com
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Disable kasan after the first report. There are several reasons for
this:
- Single bug quite often has multiple invalid memory accesses causing
storm in the dmesg.
- Write OOB access might corrupt metadata so the next report will print
bogus alloc/free stacktraces.
- Reports after the first easily could be not bugs by itself but just
side effects of the first one.
Given that multiple reports usually only do harm, it makes sense to
disable kasan after the first one. If user wants to see all the
reports, the boot-time parameter kasan_multi_shot must be used.
[aryabinin@virtuozzo.com: wrote changelog and doc, added missing include]
Link: http://lkml.kernel.org/r/20170323154416.30257-1-aryabinin@virtuozzo.com
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Any time after inode allocation, destroy_inode can be called. The
hugetlbfs inode contains a shared_policy structure, and
mpol_free_shared_policy is unconditionally called as part of
hugetlbfs_destroy_inode. Initialize the policy as part of inode
allocation so that any quick (error path) calls to destroy_inode will be
handed an initialized policy.
syzkaller fuzzer found this bug, that resulted in the following:
BUG: KASAN: user-memory-access in atomic_inc
include/asm-generic/atomic-instrumented.h:87 [inline] at addr
000000131730bd7a
BUG: KASAN: user-memory-access in __lock_acquire+0x21a/0x3a80
kernel/locking/lockdep.c:3239 at addr 000000131730bd7a
Write of size 4 by task syz-executor6/14086
CPU: 3 PID: 14086 Comm: syz-executor6 Not tainted 4.11.0-rc3+ #364
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
atomic_inc include/asm-generic/atomic-instrumented.h:87 [inline]
__lock_acquire+0x21a/0x3a80 kernel/locking/lockdep.c:3239
lock_acquire+0x1ee/0x590 kernel/locking/lockdep.c:3762
__raw_write_lock include/linux/rwlock_api_smp.h:210 [inline]
_raw_write_lock+0x33/0x50 kernel/locking/spinlock.c:295
mpol_free_shared_policy+0x43/0xb0 mm/mempolicy.c:2536
hugetlbfs_destroy_inode+0xca/0x120 fs/hugetlbfs/inode.c:952
alloc_inode+0x10d/0x180 fs/inode.c:216
new_inode_pseudo+0x69/0x190 fs/inode.c:889
new_inode+0x1c/0x40 fs/inode.c:918
hugetlbfs_get_inode+0x40/0x420 fs/hugetlbfs/inode.c:734
hugetlb_file_setup+0x329/0x9f0 fs/hugetlbfs/inode.c:1282
newseg+0x422/0xd30 ipc/shm.c:575
ipcget_new ipc/util.c:285 [inline]
ipcget+0x21e/0x580 ipc/util.c:639
SYSC_shmget ipc/shm.c:673 [inline]
SyS_shmget+0x158/0x230 ipc/shm.c:657
entry_SYSCALL_64_fastpath+0x1f/0xc2
Analysis provided by Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: http://lkml.kernel.org/r/1490477850-7944-1-git-send-email-mike.kravetz@oracle.com
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A section name for .data..ro_after_init was added by both:
commit d07a980c1b ("s390: add proper __ro_after_init support")
and
commit d7c19b066d ("mm: kmemleak: scan .data.ro_after_init")
The latter adds incorrect wrapping around the existing s390 section, and
came later. I'd prefer the s390 naming, so this moves the s390-specific
name up to the asm-generic/sections.h and renames the section as used by
kmemleak (and in the future, kernel/extable.c).
Link: http://lkml.kernel.org/r/20170327192213.GA129375@beast
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> [s390 parts]
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Eddie Kovsky <ewk@edkovsky.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 0a6b76dd23 ("mm: workingset: make shadow node shrinker memcg
aware") enabled cgroup-awareness in the shadow node shrinker, but forgot
to also enable cgroup-awareness in the list_lru the shadow nodes sit on.
Consequently, all shadow nodes are sitting on a global (per-NUMA node)
list, while the shrinker applies the limits according to the amount of
cache in the cgroup its shrinking. The result is excessive pressure on
the shadow nodes from cgroups that have very little cache.
Enable memcg-mode on the shadow node LRUs, such that per-cgroup limits
are applied to per-cgroup lists.
Fixes: 0a6b76dd23 ("mm: workingset: make shadow node shrinker memcg aware")
Link: http://lkml.kernel.org/r/20170322005320.8165-1-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vladimir Davydov <vdavydov@tarantool.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: <stable@vger.kernel.org> [4.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Huge pages are accounted as single units in the memcg's "file_mapped"
counter. Account the correct number of base pages, like we do in the
corresponding node counter.
Link: http://lkml.kernel.org/r/20170322005111.3156-1-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: <stable@vger.kernel.org> [4.8+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Yang Li has reported that drain_all_pages triggers a WARN_ON which means
that this function is called earlier than the mm_percpu_wq is
initialized on arm64 with CMA configured:
WARNING: CPU: 2 PID: 1 at mm/page_alloc.c:2423 drain_all_pages+0x244/0x25c
Modules linked in:
CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.11.0-rc1-next-20170310-00027-g64dfbc5 #127
Hardware name: Freescale Layerscape 2088A RDB Board (DT)
task: ffffffc07c4a6d00 task.stack: ffffffc07c4a8000
PC is at drain_all_pages+0x244/0x25c
LR is at start_isolate_page_range+0x14c/0x1f0
[...]
drain_all_pages+0x244/0x25c
start_isolate_page_range+0x14c/0x1f0
alloc_contig_range+0xec/0x354
cma_alloc+0x100/0x1fc
dma_alloc_from_contiguous+0x3c/0x44
atomic_pool_init+0x7c/0x208
arm64_dma_init+0x44/0x4c
do_one_initcall+0x38/0x128
kernel_init_freeable+0x1a0/0x240
kernel_init+0x10/0xfc
ret_from_fork+0x10/0x20
Fix this by moving the whole setup_vmstat which is an initcall right now
to init_mm_internals which will be called right after the WQ subsystem
is initialized.
Link: http://lkml.kernel.org/r/20170315164021.28532-1-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reported-by: Yang Li <pku.leo@gmail.com>
Tested-by: Yang Li <pku.leo@gmail.com>
Tested-by: Xiaolong Ye <xiaolong.ye@intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* acpi-hotplug-fixes:
ACPI: Do not create a platform_device for IOAPIC/IOxAPIC
ACPI: ioapic: Clear on-stack resource before using it
* acpi-build-fixes:
ACPI: Fix incompatibility with mcount-based function graph tracing
* acpi-apei-fixes:
ACPI / APEI: Add missing synchronize_rcu() on NOTIFY_SCI removal
Stable Bugfixes:
- Fix infinite loop on BAD_STATEID error
Other Bugfixes:
- Fix old dentry rehash after move
- Fix pnfs GETDEVINFO hangs
- Fix pnfs fallback to MDS on commit errors
- Fix flexfiles kernel oops
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Merge tag 'nfs-for-4.11-3' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Here are a few more bugfixes that came in over the last couple of
weeks. Most of these fix various hangs and loops that people found,
but we also had a few error handling fixes.
Stable Bugfixes:
- fix infinite loop on BAD_STATEID error
Other Bugfixes:
- fix old dentry rehash after move
- fix pnfs GETDEVINFO hangs
- fix pnfs fallback to MDS on commit errors
- fix flexfiles kernel oops"
* tag 'nfs-for-4.11-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
nfs: flexfiles: fix kernel OOPS if MDS returns unsupported DS type
NFSv4.1 fix infinite loop on IO BAD_STATEID error
PNFS fix fallback to MDS if got error on commit to DS
NFS filelayout:call GETDEVICEINFO after pnfs_layout_process completes
NFS store nfs4_deviceid in struct nfs4_filelayout_segment
NFS cleanup struct nfs4_filelayout_segment
NFS: Fix old dentry rehash after move
- Fix cpu_die() NULL dereference when booting secondary CPUs using spin-table
- Remove redundant #include
- Remove obsolete .gitignore entry
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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:
"The main thing is a fix for a NULL dereference on systems that boot
using spin-tables or the ACPI parking protocol, but there are also a
couple of trivial one-liners too.
We're currently debugging a page flags corruption issue under
syzkaller, but we're still some way from fixing that as it's proving
fiddly to reproduce.
Summary:
- fix cpu_die() NULL dereference when booting secondary CPUs using
spin-table
- remove redundant #include
- remove obsolete .gitignore entry"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: drop non-existing vdso-offsets.h from .gitignore
arm64: remove redundant header file in current.h
arm64: fix NULL dereference in have_cpu_die()
Pull crypto fixes from Herbert Xu:
"This fixes the following issues:
- memory corruption when kmalloc fails in xts/lrw
- mark some CCP DMA channels as private
- fix reordering race in padata
- regression in omap-rng DT description"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: xts,lrw - fix out-of-bounds write after kmalloc failure
crypto: ccp - Make some CCP DMA channels private
padata: avoid race in reordering
dt-bindings: rng: clocks property on omap_rng not always mandatory
At this time, most of changes are for ASoC, while we got one fix for
yet another race of ALSA sequencer core and a usual HD-audio quirk.
The ASoC changes are mostly small and device-specific fixes. A
slightly large volume is seen in sun8i-codec, which is a new code in
4.11, and we'd like to fix user-visible stuff before the official 4.1
release.
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Merge tag 'sound-4.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"At this time, most of changes are for ASoC, while we got one fix for
yet another race of ALSA sequencer core and a usual HD-audio quirk.
The ASoC changes are mostly small and device-specific fixes. A
slightly large volume is seen in sun8i-codec, which is a new code in
4.11, and we'd like to fix user-visible stuff before the official 4.1
release"
* tag 'sound-4.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (27 commits)
ALSA: hda - fix a problem for lineout on a Dell AIO machine
ASoC: simple-card: fix simple_dai clk lookup
ASoC: STI: Fix reader substream pointer set
ALSA: seq: Fix race during FIFO resize
ARM: dts: sun8i: Update audio-routing with renamed widgets
ASoC: sun8i-codec: Convert to use SND_SOC_DAPM_AIF_IN
ASoC: sun8i-codec: Fix space on audio-routing widget
ASoC: sun8i-codec: Update mixer to use SOC_DAPM_DOUBLE
ASoC: sun8i-codec: Remove analog "HP" widget
ASoC: rt5665: fix wrong shift rt5665_if2_1_adc_in_enum
ASoC: rt5665: fix define of RT5665_HP_DRIVER_5X
ASoC: rcar: dma: remove unnecessary "volatile"
ASoC: rcar: clear DE bit only in PDMACHCR when it stops
ASoC: rsnd: fix sound route path when using SRC6/SRC9
ASoC: don't dereference NULL pcm_{new,free}
ASoC: rt5665: CLKDET is also a power of ASRC
ASoC: rt5665: Vref3 is necessary for Mono Amp
ASoC: rt5665: increase LDO level
ASoC: rt5665: fix getting wrong work handler container
ASoC: atmel-classd: fix audio clock rate
...
Pull HID fixes from Jiri Kosina:
- Wacom regression fixes, from Aaron Armstrong Skomra
- new device ID addition by Peter Stein
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wacom: call _query_tablet_data() for BAMBOO_TOUCH
HID: wacom: Don't add ghost interface as shared data
HID: xinmo: fix for out of range for THT 2P arcade controller.
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Merge tag 'drm-fixes-for-v4.11-rc5' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Seems to be quietening down, which means someone will make a liar of
me for rc6.
Just one vc4, one etnvaiv, one radeon, and a few i915 GVT fixes, and
one i915 normal fixes"
* tag 'drm-fixes-for-v4.11-rc5' of git://people.freedesktop.org/~airlied/linux:
drm/vc4: Allocate the right amount of space for boot-time CRTC state.
drm/etnaviv: (re-)protect fence allocation with GPU mutex
drm/radeon: Override fpfn for all VRAM placements in radeon_evict_flags
drm/i915: Restore marking context objects as dirty on pinning
drm/i915/gvt: Use force single submit flag to distinguish gvt request from i915 request
drm/i915/gvt: set shadow entry to scratch page while p2m failed
drm/i915/gvt: Fix guest fail to read EDID leading to black guest console issue.
drm/i915/gvt: fix wrong offset when loading RCS mocs
drm/i915/gvt: add write handler for mmio mbctl
drm/i915/kvmgt: Hold struct kvm reference
Commit 63d63cbf5e "NFSv4.1: Don't recheck delegations that
have already been checked" introduced a regression where when a
client received BAD_STATEID error it would not send any TEST_STATEID
and instead go into an infinite loop of resending the IO that caused
the BAD_STATEID.
Fixes: 63d63cbf5e ("NFSv4.1: Don't recheck delegations that have already been checked")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Cc: stable@vger.kernel.org # 4.9+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
In commit d0aeaa83f0 ("serial: exar:
split out the exar code from 8250_pci") the exar driver got its own
Kconfig. However the text for the new option was never changed from
the original 8250_PCI text, and hence it appears confusing when you
get asked the same question twice:
8250/16550 PCI device support (SERIAL_8250_PCI) [Y/n/m/?] (NEW)
8250/16550 PCI device support (SERIAL_8250_EXAR) [Y/n/m] (NEW)
Adding to the confusion, is that there is no help text for this new
option to indicate it is specific to a certain family of cards.
Fix both issues at the same time, as well as the space vs. tab issues
introduced in the same commit.
Fixes: d0aeaa83f0 ("serial: exar: split out the exar code from 8250_pci")
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A side effect of 89d8232411 ("tty/serial: atmel_serial: BUG: stop DMA
from transmitting in stop_tx") is that the console can be called with
TX path disabled. Then the system would hang trying to push charecters
out in atmel_console_putchar().
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Fixes: 89d8232411 ("tty/serial: atmel_serial: BUG: stop DMA from transmitting
in stop_tx")
Cc: stable <stable@vger.kernel.org> #4.4+
Acked-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If uart_flush_buffer() is called between atmel_tx_dma() and
atmel_complete_tx_dma(), the circular buffer has been cleared, but not
atmel_port->tx_len.
That leads to a circular buffer overflow (dumping (UART_XMIT_SIZE -
atmel_port->tx_len) bytes).
Tested-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Cc: stable <stable@vger.kernel.org> # 3.12+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The reference manual for the i.MX28 recommends to calculate the divisor
as
divisor = (UARTCLK * 32) / baud rate, rounded to the nearest integer
, so let's do this. For a typical setup of UARTCLK = 24 MHz and baud
rate = 115200 this changes the divisor from 6666 to 6667 and so the
actual baud rate improves from 115211.521 Bd (error ≅ 0.01 %) to
115194.240 Bd (error ≅ 0.005 %).
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 4cfffcfa51 ("irqchip/mips-gic: Fix local interrupts") added
mapping of several local interrupts during initialisation of the gic
driver. This associates virq numbers with these interrupts.
Unfortunately, as not all of the interrupts are mapped in hardware
order, when drivers subsequently request these interrupts they conflict
with the mappings that have already been set up. For example, this
manifests itself in the gic clocksource driver, which fails to probe
with the message:
clocksource: GIC: mask: 0xffffffffffffffff max_cycles: 0x7350c9738,
max_idle_ns: 440795203769 ns
GIC timer IRQ 25 setup failed: -22
This is because virq 25 (the correct IRQ number specified via device
tree) was allocated to the PERFCTR interrupt (and 24 to the timer, 26 to
the FDC). To fix this, map all of these local interrupts in the hardware
order so as to associate their virq numbers with the correct hw
interrupts.
Fixes: 4cfffcfa51 ("irqchip/mips-gic: Fix local interrupts")
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
On this Dell AIO machine, the lineout jack does not work.
We found the pin 0x1a is assigned to lineout on this machine, and in
the past, we applied ALC298_FIXUP_DELL1_MIC_NO_PRESENCE to fix the
heaset-set mic problem for this machine, this fixup will redefine
the pin 0x1a to headphone-mic, as a result the lineout doesn't
work anymore.
After consulting with Dell, they told us this machine doesn't support
microphone via headset jack, so we add a new fixup which only defines
the pin 0x18 as the headset-mic.
[rearranged the fixup insertion position by tiwai in order to make the
merge with other branches easier -- tiwai]
Fixes: 59ec4b57bc ("ALSA: hda - Fix headset mic detection problem for two dell machines")
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Sparse complains about missing forward declarations:
arch/x86/boot/compressed/error.c:8:6:
warning: symbol 'warn' was not declared. Should it be static?
arch/x86/boot/compressed/error.c:15:6:
warning: symbol 'error' was not declared. Should it be static?
Include the missing header file.
Signed-off-by: Zhengyi Shen <shenzhengyi@gmail.com>
Acked-by: Kess Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/r/1490770820-24472-1-git-send-email-shenzhengyi@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
MCA bank 3 is reserved on systems pre-Fam17h, so it didn't have a name.
However, MCA bank 3 is defined on Fam17h systems and can be accessed
using legacy MSRs. Without a name we get a stack trace on Fam17h systems
when trying to register sysfs files for bank 3 on kernels that don't
recognize Scalable MCA.
Call MCA bank 3 "decode_unit" since this is what it represents on
Fam17h. This will allow kernels without SMCA support to see this bank on
Fam17h+ and prevent the stack trace. This will not affect older systems
since this bank is reserved on them, i.e. it'll be ignored.
Tested on AMD Fam15h and Fam17h systems.
WARNING: CPU: 26 PID: 1 at lib/kobject.c:210 kobject_add_internal
kobject: (ffff88085bb256c0): attempted to be registered with empty name!
...
Call Trace:
kobject_add_internal
kobject_add
kobject_create_and_add
threshold_create_device
threshold_init_device
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1490102285-3659-1-git-send-email-Yazen.Ghannam@amd.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Just one vc4 fix from Eric, cc: stable
* tag 'drm-misc-fixes-2017-03-31' of git://anongit.freedesktop.org/git/drm-misc:
drm/vc4: Allocate the right amount of space for boot-time CRTC state.
drm/i915 fixes for v4.11-rc5
* tag 'drm-intel-fixes-2017-03-29' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: Restore marking context objects as dirty on pinning
drm/i915/gvt: Use force single submit flag to distinguish gvt request from i915 request
drm/i915/gvt: set shadow entry to scratch page while p2m failed
drm/i915/gvt: Fix guest fail to read EDID leading to black guest console issue.
drm/i915/gvt: fix wrong offset when loading RCS mocs
drm/i915/gvt: add write handler for mmio mbctl
drm/i915/kvmgt: Hold struct kvm reference
One small fix for radeon.
* 'drm-fixes-4.11' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: Override fpfn for all VRAM placements in radeon_evict_flags
a single fix to keep fence seqnos of completed jobs monotonically
increasing, as expected in various locations of the driver code. Also
tagged for stable.
* 'etnaviv/fixes' of https://git.pengutronix.de/git/lst/linux:
drm/etnaviv: (re-)protect fence allocation with GPU mutex
| CC lib/nmi_backtrace.o
| In file included from ../include/linux/kprobes.h:43:0,
| from ../lib/nmi_backtrace.c:17:
| ../arch/arc/include/asm/kprobes.h:57:13: warning: 'trap_is_kprobe' defined but not used [-Wunused-function]
| static void trap_is_kprobe(unsigned long address, struct pt_regs *regs)
| ^~~~~~~~~~~~~~
The warning started with 7d134b2ce6 ("kprobes: move kprobe declarations
to asm-generic/kprobes.h") which started including <asm/kprobes.h>
unconditionally into <linux/kprobes.h> exposing a stub function for
!CONFIG_KPROBES to rest of world. Fix that by making the stub a macro
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
As reported in STAR 9001165532, an SLC control reg read (for checking
busy state) right after SLC invalidate command may incorrectly return
NOT busy causing software to NOT spin-wait while operation is underway.
(and for some reason this only happens if L1 cache is also disabled - as
required by IOC programming model)
Suggested workaround is to do an additional Control Reg read, which
ensures the 2nd read gets the right status.
Cc: stable@vger.kernel.org #4.10
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
[vgupta: reworte changelog a bit]
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
The controller has different timings for MMC_TIMING_UHS_DDR50 and
MMC_TIMING_MMC_DDR52. Configuring the controller with SDHCI_CTRL_UHS_DDR50,
when MMC_TIMING_MMC_DDR52 timings are requested, is not correct and can
lead to unexpected behavior.
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Fixes: bb5f8ea4d5 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
Cc: <stable@vger.kernel.org> # 4.4+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
SDIO cards may need clock to send the card interrupt to the host.
On a cherrytrail tablet with a RTL8723BS wifi chip, without this patch
pinging the tablet results in:
PING 192.168.1.14 (192.168.1.14) 56(84) bytes of data.
64 bytes from 192.168.1.14: icmp_seq=1 ttl=64 time=78.6 ms
64 bytes from 192.168.1.14: icmp_seq=2 ttl=64 time=1760 ms
64 bytes from 192.168.1.14: icmp_seq=3 ttl=64 time=753 ms
64 bytes from 192.168.1.14: icmp_seq=4 ttl=64 time=3.88 ms
64 bytes from 192.168.1.14: icmp_seq=5 ttl=64 time=795 ms
64 bytes from 192.168.1.14: icmp_seq=6 ttl=64 time=1841 ms
64 bytes from 192.168.1.14: icmp_seq=7 ttl=64 time=810 ms
64 bytes from 192.168.1.14: icmp_seq=8 ttl=64 time=1860 ms
64 bytes from 192.168.1.14: icmp_seq=9 ttl=64 time=812 ms
64 bytes from 192.168.1.14: icmp_seq=10 ttl=64 time=48.6 ms
Where as with this patch I get:
PING 192.168.1.14 (192.168.1.14) 56(84) bytes of data.
64 bytes from 192.168.1.14: icmp_seq=1 ttl=64 time=3.96 ms
64 bytes from 192.168.1.14: icmp_seq=2 ttl=64 time=1.97 ms
64 bytes from 192.168.1.14: icmp_seq=3 ttl=64 time=17.2 ms
64 bytes from 192.168.1.14: icmp_seq=4 ttl=64 time=2.46 ms
64 bytes from 192.168.1.14: icmp_seq=5 ttl=64 time=2.83 ms
64 bytes from 192.168.1.14: icmp_seq=6 ttl=64 time=1.40 ms
64 bytes from 192.168.1.14: icmp_seq=7 ttl=64 time=2.10 ms
64 bytes from 192.168.1.14: icmp_seq=8 ttl=64 time=1.40 ms
64 bytes from 192.168.1.14: icmp_seq=9 ttl=64 time=2.04 ms
64 bytes from 192.168.1.14: icmp_seq=10 ttl=64 time=1.40 ms
Cc: Dong Aisheng <b29396@freescale.com>
Cc: Ian W MORRISON <ianwmorrison@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
