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If the flow_spec items parsed count does not match the number of items
declared in the flow_attr command, or if not all bytes are used for
flow_spec items (eg. trailing garbage), a log message is reported and
the function leave through the error path. Unfortunately the error
code is currently not set.
This patch set error code to -EINVAL in such cases, so that the error
is reported to userspace instead of silently fail.
Link: http://marc.info/?i=cover.1386798254.git.ydroneaud@opteya.com>
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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As noted by Daniel Vetter in its article "Botching up ioctls"[1]
"Check *all* unused fields and flags and all the padding for whether
it's 0, and reject the ioctl if that's not the case. Otherwise
your nice plan for future extensions is going right down the
gutters since someone *will* submit an ioctl struct with random
stack garbage in the yet unused parts. Which then bakes in the ABI
that those fields can never be used for anything else but garbage."
It's important to ensure that reserved fields are set to known value,
so that it will be possible to use them latter to extend the ABI.
The same reasonning apply to comp_mask field present in newer uverbs
command: per commit 22878dbc9173 ("IB/core: Better checking of
userspace values for receive flow steering"), unsupported values in
comp_mask are rejected.
[1] http://blog.ffwll.ch/2013/11/botching-up-ioctls.html
Link: http://marc.info/?i=cover.1386798254.git.ydroneaud@opteya.com>
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Just like the check added to create_flow in 22878dbc9173 ("IB/core:
Better checking of userspace values for receive flow steering"),
comp_mask must be checked in destroy_flow too.
Since only empty comp_mask is currently supported, any other value
must be rejected.
This check was silently added in a previous patch[1] to move comp_mask
in extended command header, part of previous patchset[2] against
create/destroy_flow uverbs. The idea of moving comp_mask to the header
was discarded for the final patchset[3].
Unfortunately the check added in destroy_flow uverb was not integrated
in the final patchset.
[1] http://marc.info/?i=40175eda10d670d098204da6aa4c327a0171ae5f.1381510045.git.ydroneaud@opteya.com
[2] http://marc.info/?i=cover.1381510045.git.ydroneaud@opteya.com
[3] http://marc.info/?i=cover.1383773832.git.ydroneaud@opteya.com
Cc: Matan Barak <matanb@mellanox.com>
Link: http://marc.info/?i=cover.1386798254.git.ydroneaud@opteya.com>
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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As noted by Daniel Vetter in its article "Botching up ioctls"[1]
"Check *all* unused fields and flags and all the padding for whether
it's 0, and reject the ioctl if that's not the case. Otherwise
your nice plan for future extensions is going right down the
gutters since someone *will* submit an ioctl struct with random
stack garbage in the yet unused parts. Which then bakes in the ABI
that those fields can never be used for anything else but garbage."
It's important to ensure that reserved fields are set to known value,
so that it will be possible to use them latter to extend the ABI.
The same reasonning apply to comp_mask field present in newer uverbs
command: per commit 22878dbc9173 ("IB/core: Better checking of
userspace values for receive flow steering"), unsupported values in
comp_mask are rejected.
[1] http://blog.ffwll.ch/2013/11/botching-up-ioctls.html
Link: http://marc.info/?i=cover.1386798254.git.ydroneaud@opteya.com>
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Trying to have a ternary operator to choose between NULL (or 0) and the
real pointer value in invocations leads to an impossible choice between
a sparse error about a literal 0 used as a NULL pointer, and a gcc
warning about "pointer/integer type mismatch in conditional expression."
Rather than clutter the source with more casts, move the ternary
operator into a new INIT_UDATA_BUF_OR_NULL() macro, which makes it
easier to use and simplifies its callers.
Reported-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Patch queue for 3.13 - 2013-12-18
This fixes some grave issues we've only found after 3.13-rc1:
- Make the modularized HV/PR book3s kvm work well as modules
- Fix some race conditions
- Fix compilation with certain compilers (booke)
- Fix THP for book3s_hv
- Fix preemption for book3s_pr
Alexander Graf (4):
KVM: PPC: Book3S: PR: Don't clobber our exit handler id
KVM: PPC: Book3S: PR: Export kvmppc_copy_to|from_svcpu
KVM: PPC: Book3S: PR: Make svcpu -> vcpu store preempt savvy
KVM: PPC: Book3S: PR: Enable interrupts earlier
Aneesh Kumar K.V (1):
powerpc: book3s: kvm: Don't abuse host r2 in exit path
Paul Mackerras (5):
KVM: PPC: Book3S HV: Fix physical address calculations
KVM: PPC: Book3S HV: Refine barriers in guest entry/exit
KVM: PPC: Book3S HV: Make tbacct_lock irq-safe
KVM: PPC: Book3S HV: Take SRCU read lock around kvm_read_guest() call
KVM: PPC: Book3S HV: Don't drop low-order page address bits
Scott Wood (1):
powerpc/kvm/booke: Fix build break due to stack frame size warning
pingfan liu (1):
powerpc: kvm: fix rare but potential deadlock scene
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen bugfixes from Konrad Rzeszutek Wilk:
- Fix balloon driver for auto-translate guests (PVHVM, ARM) to not use
scratch pages.
- Fix block API header for ARM32 and ARM64 to have proper layout
- On ARM when mapping guests, stick on PTE_SPECIAL
- When using SWIOTLB under ARM, don't call swiotlb functions twice
- When unmapping guests memory and if we fail, don't return pages which
failed to be unmapped.
- Grant driver was using the wrong address on ARM.
* tag 'stable/for-linus-3.13-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/balloon: Seperate the auto-translate logic properly (v2)
xen/block: Correctly define structures in public headers on ARM32 and ARM64
arm: xen: foreign mapping PTEs are special.
xen/arm64: do not call the swiotlb functions twice
xen: privcmd: do not return pages which we have failed to unmap
XEN: Grant table address, xen_hvm_resume_frames, is a phys_addr not a pfn
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull ftrace fix from Steven Rostedt:
"This fixes a long standing bug in the ftrace profiler. The problem is
that the profiler only initializes the online CPUs, and not possible
CPUs. This causes issues if the user takes CPUs online or offline
while the profiler is running.
If we online a CPU after starting the profiler, we lose all the trace
information on the CPU going online.
If we offline a CPU after running a test and start a new test, it will
not clear the old data from that CPU.
This bug causes incorrect data to be reported to the user if they
online or offline CPUs during the profiling"
* tag 'trace-fixes-v3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftrace: Initialize the ftrace profiler for each possible cpu
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
I accidentally removed some mux code for omap4 that I thought was
dead code as omap4 has been booting with device tree only since
v3.10. Turns out I also removed some display related mux code,
so let's revert that except for the dead code parts.
* tag 'omap-for-v3.13/display-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (439 commits)
Revert "ARM: OMAP2+: Remove legacy mux code for display.c"
+Linux 3.13-rc4
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Plantronics Gamecom 780 headset has a firmware problem, and when the
FU 0x09 volume is changed, it results in either too loud or silence
except for a very narrow range. This patch provides a workaround,
ignoring the node, initialize the volume in a sane value and keep
untouched.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=65251
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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In this case, there are two DACs, and DAC 0x03 is mono. In order
to make headphones and front speaker use DAC 0x02, and subwoofer use
DAC 0x03, we artificially cut the connection from nodes 0x14 and 0x15
to node 0x03, so they can only use DAC 0x02.
In addition, the 5460 and 5470 differs in the sense that 5470 also
needs a headset mic patch, whereas 5460 has individual detection for
headphone and headset mic.
BugLink: https://bugs.launchpad.net/bugs/1211920
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The missing casts can cause the high 64-bits of the physical blocks to
be lost. Set up new macros which allows us to make sure the right
thing happen, even if at some point we end up supporting larger
logical block numbers.
Thanks to the Emese Revfy and the PaX security team for reporting this
issue.
Reported-by: PaX Team <pageexec@freemail.hu>
Reported-by: Emese Revfy <re.emese@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
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CONFIG_ACPI dependent code should include <linux/acpi.h> instead of
directly including <acpi/acpi.h>. This patch cleans up such wrong
inclusions for Thinkpad ACPI users.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fixes gfx corruption on certain TN/RL parts.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=60389
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into fixes
From Santosh Shilimkar:
Couple of updates to MAINTAINERS file for Keystone
- Add git tree information
- Add clock drivers entry
* tag 'keystone/maintainer-file' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
MAINTAINERS: Add keystone clock drivers
MAINTAINERS: Add keystone git tree information
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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This patch fixes a possible scsi_host reference leak in qlt_lport_register(),
when a non zero return from the passed (*callback) does not call drop the
local reference via scsi_host_put() before returning.
This currently does not effect existing tcm_qla2xxx code as the passed callback
will never fail, but fix this up regardless for future code.
Cc: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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lun->lun_ref is also initialized in core_tpg_post_addlun, so it doesn't
need to be done in core_tpg_setup_virtual_lun0.
(nab: Drop left-over percpu_ref_cancel_init in failure path)
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Commit 7ea6c6c1 ("Move cper.c from drivers/acpi/apei to
drivers/firmware/efi") results in CONFIG_EFI being enabled even
when the user doesn't want this. Since ACPI APEI used to build
fine without UEFI (and as far as I know also has no functional
depency on it), at least in that case using a reverse dependency
is wrong (and a straight one isn't needed).
Whether the same is true for ACPI_EXTLOG I don't know - if there
is a functional dependency, it should depend on EFI rather than
selecting it. It certainly has (currently) no build dependency.
Adjust Kconfig and build logic so that the bad dependency gets
avoided.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/52AF1EBC020000780010DBF9@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Linux 3.10 changed the timing of how thread_info->flags is touched:
x86: Use generic idle loop
(7d1a941731fabf27e5fb6edbebb79fe856edb4e5)
This caused Intel NHM-EX and WSM-EX servers to experience a large number
of immediate MONITOR/MWAIT break wakeups, which caused cpuidle to demote
from deep C-states to shallow C-states, which caused these platforms
to experience a significant increase in idle power.
Note that this issue was already present before the commit above,
however, it wasn't seen often enough to be noticed in power measurements.
Here we extend an errata workaround from the Core2 EX "Dunnington"
to extend to NHM-EX and WSM-EX, to prevent these immediate
returns from MWAIT, reducing idle power on these platforms.
While only acpi_idle ran on Dunnington, intel_idle
may also run on these two newer systems.
As of today, there are no other models that are known
to need this tweak.
Link: http://lkml.kernel.org/r/CAJvTdK=%2BaNN66mYpCGgbHGCHhYQAKx-vB0kJSWjVpsNb_hOAtQ@mail.gmail.com
Signed-off-by: Len Brown <len.brown@intel.com>
Link: http://lkml.kernel.org/r/baff264285f6e585df757d58b17788feabc68918.1387403066.git.len.brown@intel.com
Cc: <stable@vger.kernel.org> # 3.12.x, 3.11.x, 3.10.x
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Freezable kthreads and workqueues are fundamentally problematic in
that they effectively introduce a big kernel lock widely used in the
kernel and have already been the culprit of several deadlock
scenarios. This is the latest occurrence.
During resume, libata rescans all the ports and revalidates all
pre-existing devices. If it determines that a device has gone
missing, the device is removed from the system which involves
invalidating block device and flushing bdi while holding driver core
layer locks. Unfortunately, this can race with the rest of device
resume. Because freezable kthreads and workqueues are thawed after
device resume is complete and block device removal depends on
freezable workqueues and kthreads (e.g. bdi_wq, jbd2) to make
progress, this can lead to deadlock - block device removal can't
proceed because kthreads are frozen and kthreads can't be thawed
because device resume is blocked behind block device removal.
839a8e8660b6 ("writeback: replace custom worker pool implementation
with unbound workqueue") made this particular deadlock scenario more
visible but the underlying problem has always been there - the
original forker task and jbd2 are freezable too. In fact, this is
highly likely just one of many possible deadlock scenarios given that
freezer behaves as a big kernel lock and we don't have any debug
mechanism around it.
I believe the right thing to do is getting rid of freezable kthreads
and workqueues. This is something fundamentally broken. For now,
implement a funny workaround in libata - just avoid doing block device
hot[un]plug while the system is frozen. Kernel engineering at its
finest. :(
v2: Add EXPORT_SYMBOL_GPL(pm_freezing) for cases where libata is built
as a module.
v3: Comment updated and polling interval changed to 10ms as suggested
by Rafael.
v4: Add #ifdef CONFIG_FREEZER around the hack as pm_freezing is not
defined when FREEZER is not configured thus breaking build.
Reported by kbuild test robot.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Tomaž Šolc <tomaz.solc@tablix.org>
Reviewed-by: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=62801
Link: http://lkml.kernel.org/r/20131213174932.GA27070@htj.dyndns.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Len Brown <len.brown@intel.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: stable@vger.kernel.org
Cc: kbuild test robot <fengguang.wu@intel.com>
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We can rely on mfd driver to manage the register caching via regmap. The
driver still need to cache some registers associated with DL1/2 routes.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The MFD core takes care of the restore via standard regmap API, no need to
do this anymore here.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Introduce a small register cache for registers which needs special caching
to reduce pop noise:
TWL6040_REG_HSLCTL, TWL6040_REG_HSRCTL, TWL6040_REG_EARCTL, TWL6040_REG_HFLCTL
and TWL6040_REG_HFRCTL.
Switch over and use the new small cache for these registers instead of the
main reg_cache.
This is in preparation to remove the local ASoC reg_cache from the driver.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Matches more precisely of the functionality.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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asoc-twl6040
Immutable branch between ASoC and MFD - for v3.14 merge window
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Commit 8f34a1da35ae ("arm64: ptrace: use HW_BREAKPOINT_EMPTY type for
disabled breakpoints") fixed an issue with GDB trying to zero breakpoint
control registers. The problem there is that the arch hw_breakpoint code
will attempt to create a (disabled), execute breakpoint of length 0.
This will fail validation and report unexpected failure to GDB. To avoid
this, we treated disabled breakpoints as HW_BREAKPOINT_EMPTY, but that
seems to have broken with recent kernels, causing watchpoints to be
treated as TYPE_INST in the core code and returning ENOSPC for any
further breakpoints.
This patch fixes the problem by prioritising the `enable' field of the
breakpoint: if it is cleared, we simply update the perf_event_attr to
indicate that the thing is disabled and don't bother changing either the
type or the length. This reinforces the behaviour that the breakpoint
control register is essentially read-only apart from the enable bit
when disabling a breakpoint.
Cc: <stable@vger.kernel.org>
Reported-by: Aaron Liu <liucy214@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"An RT group-scheduling fix and the sched-domains topology setup fix
from Mel"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/rt: Fix rq's cpupri leak while enqueue/dequeue child RT entities
sched: Assign correct scheduling domain to 'sd_llc'
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"An ABI documentation fix, and a mixed-PMU perf-info-corruption fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Document the new transaction sample type
perf: Disable all pmus on unthrottling and rescheduling
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"We have a bit more changes than usual in ASoC here, as it was slipped
from the previous update. There are one minr ASoC PCM code fix and
ASoC dmaengine fix, in addition of a collection of small ASoC driver
fixes. The rest are a couple of HD-audio stable fixups, and a
long-standing fix for the paused stream handling.
So, all commits look not scary (and hopefully won't give you
disastrous holiday season)"
* tag 'sound-3.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Add Dell headset detection quirk for one more laptop model
ASoC: wm8904: fix DSP mode B configuration
ASoC: wm_adsp: Add small delay while polling DSP RAM start
ALSA: Add SNDRV_PCM_STATE_PAUSED case in wait_for_avail function
ASoC: kirkwood: Fix the CPU DAI rates
ASoC: wm5110: Correct HPOUT3 DAPM route typo
ALSA: hda - Add Dell headset detection quirk for three laptop models
ALSA: hda - Add enable_msi=0 workaround for four HP machines
ASoC: don't leak on error in snd_dmaengine_pcm_register
ASoC: fsl: imx-wm8962: Don't update bias_level in machine driver
ASoC: tegra: fix uninitialized variables in set_fmt
ASoC: wm8962: Enable SYSCLK provisonally before fetching generated DSPCLK_DIV
ASoC: sam9x5_wm8731: change to work in DSP A mode
ASoC: atmel_ssc_dai: add dai trigger ops
ASoC: soc-pcm: Use valid condition for snd_soc_dai_digital_mute() in hw_free()
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Add reg_defaults to regmap and at the same time implement proper power
state handling with using regcache_cache_only(), regcache_sync() and
regcache_mark_dirty().
This will make sure that we do not need to do restore operations in child
drivers anymore.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Let the user know when the number of submission queues are being
ignored.
Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Simplify the initialization logic of the three block-layers.
- The queue initialization is split into two parts. This allows reuse of
code when initializing the sq-, bio- and mq-based layers.
- Set submit_queues default value to 0 and always set it at init time.
- Simplify the init error code paths.
Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add description of module and its parameters.
Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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For NUMA systems, initializing the blk-mq layer and using per node hctx.
We initialize submit queues to 1, while blk-mq nr_hw_queues is
initialized to the number of NUMA nodes.
This makes the null_init_hctx function overwrite memory outside of what
it allocated. In my case it lead to writing garbage into struct
request_queue's mq_map.
Signed-off-by: Matias Bjorling <m@bjorling.me>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Mark functions skd_skmsg_state_to_str() and skd_skreq_state_to_str() as
static in skd_main.c because they are not used outside this file.
This eliminates the following warnings in skd_main.c:
drivers/block/skd_main.c:5272:13: warning: no previous prototype for ‘skd_skmsg_state_to_str’ [-Wmissing-prototypes]
drivers/block/skd_main.c:5284:13: warning: no previous prototype for ‘skd_skreq_state_to_str’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch adds three main functions for DAI master mode: set_dai_fmt(),
set_dai_sysclk() and set_dai_tdm_slot(), and one essential baud clock
accordingly. After appending this patch, the fsl_ssi driver on i.MX series
has the ability to derive LRCLK and BCLK from baud clock source so as to
support some audio Codecs which can only be used in slave mode.
Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The kernel as a number of cases of gendered language. The majority of these
refer to objects that don't have gender in English, and so I've replaced
them with "it" and "its". Some refer to people (developers or users), and
I've replaced these with the singular "they" variant. Some are simply
typos that I've fixed up.
I've left cases where gendered language was used to refer to specific
individuals, was a quote or is part of license text.
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Commit 97bc386fc12d "ARC: Add guard macro to uapi/asm/unistd.h"
inhibited multiple inclusion of ARCH unistd.h. This however hosed the system
since Generic syscall table generator relies on it being included twice,
and in lack-of an empty table was emitted by C preprocessor.
Fix that by allowing one exception to rule for the special case (just
like Xtensa)
Suggested-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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When a Kconfig of a codec driver doesn't match with the controller
(CONFIG_SND_HDA_INTEL), it'll result in the non-working automatic
probing. Unfortunately kbuild can't give such a restriction, but at
least, it's possible to show a warning if such a condition is found.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace all with the standard EXPORT_SYMBOL_GPL().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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So far, CONFIG_SND_HDA_CODEC_* kconfigs have been booleans due to
historical reasons. The major reason was that the automatic codec
driver probing wouldn't work if user sets a codec driver as a module
while the controller driver as a built-in. And, another reason was to
avoid exporting symbols of the helper codes when all drivers are built
in.
But, this sort of "kindness" rather confuses people in the end,
especially makes the config refinement via localmodconfig unhappy.
Also, a codec module would still work if you re-bind the controller
driver via sysfs (although it's no automatic loading), so there might
be a slight use case.
That said, better to let people fallen into a pitfall than being too
smart and restrict something. Let's make things straightforward: now
all CONFIG_SND_HDA_CODEC_* become tristate, and all symbols exported
unconditionally.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.13
The fixes here are all driver specific ones, none of which particularly
stand out but all of which are useful to users of those drivers.
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'asoc/fix/atmel', 'asoc/fix/fsl', 'asoc/fix/kirkwood', 'asoc/fix/tegra', 'asoc/fix/wm8904' and 'asoc/fix/wm8962' into asoc-linus
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Makes the code slightly shorter.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Add support for configuring the sample rate on the SYSCLK side of the
ASRC.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Currently, the driver only supports configuration of the lower sample
rate (FSL) on the ISRCs. With the higher rate being fixed a SYSCLK, this
patch adds support for configuring the higher sample rate (FSH).
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Certain use-cases require the DRE to be disabled so expose controls for
the enables.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Certain use-cases require the DRE to be disabled so expose registers
necessary to control the DRE enables.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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