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Currently, the intel_bts driver relies on the DS area allocated by the x86_pmu
code in its event_init() path, which is a bug: creating a BTS event while
no x86_pmu events are present results in a NULL pointer dereference.
The same DS area is also used by PEBS sampling, which makes it quite a bit
trickier to have a separate one for intel_bts' purposes.
This patch makes intel_bts driver use the same DS allocation and reference
counting code as x86_pmu to make sure it is always present when either
intel_bts or x86_pmu need it.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@infradead.org
Cc: adrian.hunter@intel.com
Link: http://lkml.kernel.org/r/1434024837-9916-2-git-send-email-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This patch adds additional model numbers for Broadwell to perf.
Support for Broadwell with Iris Pro (Intel Core i7-57xxC)
and support for Broadwell Server Xeon.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1434055942-28253-1-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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While looking for other users of get_state/cond_sync. I Found
ring_buffer_attach() and it looks obviously buggy?
Don't we need to ensure that we have "synchronize" _between_
list_del() and list_add() ?
IOW. Suppose that ring_buffer_attach() preempts right_after
get_state_synchronize_rcu() and gp completes before spin_lock().
In this case cond_synchronize_rcu() does nothing and we reuse
->rb_entry without waiting for gp in between?
It also moves the ->rcu_pending check under "if (rb)", to make it
more readable imo.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dave@stgolabs.net
Cc: der.herr@hofr.at
Cc: josh@joshtriplett.org
Cc: tj@kernel.org
Fixes: b69cf53640da ("perf: Fix a race between ring_buffer_detach() and ring_buffer_attach()")
Link: http://lkml.kernel.org/r/20150530200425.GA15748@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next
Freescale updates from Scott:
"Highlights include more 8xx optimizations, an e6500 hugetlb optimization,
QMan device tree nodes, t1024/t1023 support, and various fixes and
cleanup."
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Fix typo in debug print. p1_base() should be p2_base(). No change other
than to the debug output.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Add CXL_KERNEL_API config option so drivers which depend on this new
functionality won't be enabled until this is visible.
This is useful for merging the cxlflash driver which comes in via the SCSI
tree. The cxlflash driver can depend on CXL_KERNEL_API, hence it won't be
enabled in the SCSI tree until this new config option is merged via the powerpc
tree. Hence all trees will be bisectable at all times.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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When pnv_pci_ioda_fixup() is called during PHB fixup time, each PE in
the sorted list of PEs (phb::pe_dma_list) is iterated to setup the PE's
DMA32 space by pnv_ioda_setup_bus_dma() if the PE's DMA32 weight is bigger
than zero. The function also assigns all the subordinate PCI devices of
the PE's primary bus with the PE's DMA32 IOMMU table. It causes the PCI
devicess in the child PEs, which don't have DMA weight, receives wrong
IOMMU table and then IOMMU group.
The patch fixes above issue by more check on the PE's coverage and don't
assign IOMMU table to those PCI devices, which belong to the child PEs.
The problem was found on Firestone platform initially.
Suggested-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Current swap encoding in pte can't support large pfns
above 4TB. Change the swap encoding such that we put
the swap type in the PTE bits. Also add build checks
to make sure we don't overlap with HPTEFLAGS.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Remove the unused #define
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This patch changes the syscall handler to doom (tabort) active
transactions when a syscall is made and return very early without
performing the syscall and keeping side effects to a minimum (no CPU
accounting or system call tracing is performed). Also included is a
new HWCAP2 bit, PPC_FEATURE2_HTM_NOSC, to indicate this
behaviour to userspace.
Currently, the system call instruction automatically suspends an
active transaction which causes side effects to persist when an active
transaction fails.
This does change the kernel's behaviour, but in a way that was
documented as unsupported. It doesn't reduce functionality as
syscalls will still be performed after tsuspend; it just requires that
the transaction be explicitly suspended. It also provides a
consistent interface and makes the behaviour of user code
substantially the same across powerpc and platforms that do not
support suspended transactions (e.g. x86 and s390).
Performance measurements using
http://ozlabs.org/~anton/junkcode/null_syscall.c indicate the cost of
a normal (non-aborted) system call increases by about 0.25%.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Update the "IBM Power in-Nest Crypto Acceleration" and
"IBM Power 842 compression accelerator" sections to specify the correct
files.
The "IBM Power in-Nest Crypto Acceleration" was originally the only
NX driver, and so its section listed all drivers/crypto/nx/ files,
but now there is also the 842 driver which has its own section. This
lists explicitly what files are owned by the Crypto driver and which
files are owned by the 842 compression driver.
Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support to the nx-842-pseries.c driver for running in little endian
mode.
The pSeries platform NX 842 driver currently only works as big endian.
This adds cpu_to_be*() and be*_to_cpu() in the appropriate places to
work in LE mode also.
Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The new aead_edesc_alloc left out the bit indicating the last
entry on the source SG list. This patch fixes it.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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I incorrectly removed DESC_MAX_USED_BYTES when enlarging the size
of the shared descriptor buffers, thus making it four times larger
than what is necessary. This patch restores the division by four
calculation.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The struct aead_instance is meant to extend struct crypto_instance
by incorporating the extra members of struct aead_alg. However,
the current layout which is copied from shash/ahash does not specify
the struct fully. In particular only aead_alg is present.
For shash/ahash this works because users there add extra headroom
to sizeof(struct crypto_instance) when allocating the instance.
Unfortunately for aead, this bit was lost when the new aead_instance
was added.
Rather than fixing it like shash/ahash, this patch simply expands
struct aead_instance to contain what is supposed to be there, i.e.,
adding struct crypto_instance.
In order to not break existing AEAD users, this is done through an
anonymous union.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The struct crypto_alg is embedded into various type-specific structs
such as aead_alg. This is then used as part of instances such as
struct aead_instance. It is also embedded into the generic struct
crypto_instance. In order to ensure that struct aead_instance can
be converted to struct crypto_instance when necessary, we need to
ensure that crypto_alg is aligned properly.
This patch adds an alignment attribute to struct crypto_alg to
ensure this.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c documentation fix from Wolfram Sang:
"Here is a small documentation fix for I2C.
We already had a user who unsuccessfully tried to get the new slave
framework running with the currently broken example. So, before this
happens again, I'd like to have this how-to-use section fixed for 4.1
already. So that no more hacking time is wasted"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: slave: fix the example how to instantiate from userspace
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Revert commit 534b483a86e6 ("cpumask: don't perform while loop in
cpumask_next_and()").
This was a minor optimization, but it puts a `struct cpumask' on the
stack, which consumes too much stack space.
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reported-by: Peter Zijlstra <peterz@infradead.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
one fix, one revert
* tag 'drm-intel-fixes-2015-06-18' of git://anongit.freedesktop.org/drm-intel:
Revert "drm/i915: Don't skip request retirement if the active list is empty"
drm/i915: Always reset vma->ggtt_view.pages cache on unbinding
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git://people.freedesktop.org/~deathsimple/linux into drm-fixes
two radeon fixes
one MST fix,
one query addition, destined for stable, and to fix a regression
* 'drm-fixes-4.1' of git://people.freedesktop.org/~deathsimple/linux:
drm/radeon: don't probe MST on hw we don't support it on
drm/radeon: Add RADEON_INFO_VA_UNMAP_WORKING query
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* pnp:
PNP / ACPI: use unsigned int in pnpacpi_encode_resources()
PNP / ACPI: use u8 instead of int in acpi_resource_extended_irq context
* pm-tools:
cpupower: mperf monitor: fix output in MAX_FREQ_SYSFS mode
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* pm-clk:
PM / clk: Print acquired clock name in addition to con_id
PM / clk: Fix clock error check in __pm_clk_add()
drivers: sh: remove boilerplate code and use USE_PM_CLK_RUNTIME_OPS
arm: davinci: remove boilerplate code and use USE_PM_CLK_RUNTIME_OPS
arm: omap1: remove boilerplate code and use USE_PM_CLK_RUNTIME_OPS
arm: keystone: remove boilerplate code and use USE_PM_CLK_RUNTIME_OPS
PM / clock_ops: Provide default runtime ops to users
* pm-domains:
PM / Domains: Skip timings during syscore suspend/resume
* powercap:
powercap / RAPL: Support Knights Landing
powercap / RAPL: Floor frequency setting in Atom SoC
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* pm-wakeirq:
PM / wakeirq: Fix typo in prototype for dev_pm_set_dedicated_wake_irq
PM / Wakeirq: Add automated device wake IRQ handling
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* pm-sleep:
PM / sleep: trace_device_pm_callback coverage in dpm_prepare/complete
PM / wakeup: add a dummy wakeup_source to record statistics
PM / sleep: Make suspend-to-idle-specific code depend on CONFIG_SUSPEND
PM / sleep: Return -EBUSY from suspend_enter() on wakeup detection
PM / tick: Add tracepoints for suspend-to-idle diagnostics
PM / sleep: Fix symbol name in a comment in kernel/power/main.c
leds / PM: fix hibernation on arm when gpio-led used with CPU led trigger
ARM: omap-device: use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
bus: omap_l3_noc: add missed callbacks for suspend-to-disk
PM / sleep: Add macro to define common noirq system PM callbacks
PM / sleep: Refine diagnostic messages in enter_state()
PM / wakeup: validate wakeup source before activating it.
* pm-runtime:
PM / Runtime: Update last_busy in rpm_resume
PM / runtime: add note about re-calling in during device probe()
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* pm-cpufreq: (37 commits)
cpufreq: dt: allow driver to boot automatically
intel_pstate: Fix overflow in busy_scaled due to long delay
cpufreq: qoriq: optimize the CPU frequency switching time
cpufreq: gx-suspmod: Fix two typos in two comments
cpufreq: nforce2: Fix typo in comment to function nforce2_init()
cpufreq: governor: Serialize governor callbacks
cpufreq: governor: split cpufreq_governor_dbs()
cpufreq: governor: register notifier from cs_init()
cpufreq: Remove cpufreq_update_policy()
cpufreq: Restart governor as soon as possible
cpufreq: Call cpufreq_policy_put_kobj() from cpufreq_policy_free()
cpufreq: Initialize policy->kobj while allocating policy
cpufreq: Stop migrating sysfs files on hotplug
cpufreq: Don't allow updating inactive policies from sysfs
intel_pstate: Force setting target pstate when required
intel_pstate: change some inconsistent debug information
cpufreq: Track cpu managing sysfs kobjects separately
cpufreq: Fix for typos in two comments
cpufreq: Mark policy->governor = NULL for inactive policies
cpufreq: Manage governor usage history with 'policy->last_governor'
...
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* pm-cpuidle:
cpuidle: Do not use CPUIDLE_DRIVER_STATE_START in cpuidle.c
cpuidle: Select a different state on tick_broadcast_enter() failures
sched / idle: Call default_idle_call() from cpuidle_enter_state()
sched / idle: Call idle_set_state() from cpuidle_enter_state()
cpuidle: Fix the kerneldoc comment for cpuidle_enter_state()
sched / idle: Eliminate the "reflect" check from cpuidle_idle_call()
cpuidle: Check the sign of index in cpuidle_reflect()
sched / idle: Move the default idle call code to a separate function
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* acpi-cca:
ufs: fix TRUE and FALSE re-define build error
megaraid_sas: fix TRUE and FALSE re-define build error
amd-xgbe: Unify coherency checking logic with device_dma_is_coherent()
crypto: ccp - Unify coherency checking logic with device_dma_is_coherent()
device property: Introduces device_dma_is_coherent()
arm64 : Introduce support for ACPI _CCA object
ACPI / scan: Parse _CCA and setup device coherency
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* acpi-video: (38 commits)
ACPI / video: Make acpi_video_unregister_backlight() private
acpi-video-detect: Remove old API
toshiba-acpi: Port to new backlight interface selection API
thinkpad-acpi: Port to new backlight interface selection API
sony-laptop: Port to new backlight interface selection API
samsung-laptop: Port to new backlight interface selection API
msi-wmi: Port to new backlight interface selection API
msi-laptop: Port to new backlight interface selection API
intel-oaktrail: Port to new backlight interface selection API
ideapad-laptop: Port to new backlight interface selection API
fujitsu-laptop: Port to new backlight interface selection API
eeepc-laptop: Port to new backlight interface selection API
dell-wmi: Port to new backlight interface selection API
dell-laptop: Port to new backlight interface selection API
compal-laptop: Port to new backlight interface selection API
asus-wmi: Port to new backlight interface selection API
asus-laptop: Port to new backlight interface selection API
apple-gmux: Port to new backlight interface selection API
acer-wmi: Port to new backlight interface selection API
ACPI / video: Fix acpi_video _register vs _unregister_backlight race
...
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* acpi-battery:
ACPI / battery: mark DMI table as __initconst
ACPI / battery: minor tweaks to acpi_battery_units()
ACPI / battery: constify the offset tables
ACPI / battery: ensure acpi_battery_init() has finish
ACPI / battery: drop useless return statements
ACPI / battery: abort initialization earlier if acpi_disabled
* acpi-processor:
ACPI / processor: constify DMI system id table
ACPI / processor: Introduce invalid_phys_cpuid()
ACPI / processor: return specific error instead of -1
ACPI / processor: remove phys_id in acpi_processor_get_info()
ACPI / processor: remove cpu_index in acpi_processor_get_info()
Xen / ACPI / processor: Remove unneeded NULL check
Xen / ACPI / processor: use invalid_logical_cpuid()
ACPI / processor: Introduce invalid_logical_cpuid()
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* acpi-ac:
ACPI / AC: constify DMI system id table
* acpi-soc:
ACPI / LPSS: constify device descriptors
* acpi-assorted:
ACPI / HED: constify ACPI device ids
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* acpi-ec:
ACPI / EC: Fix a code coverity issue when QR_EC transactions are failed.
ACPI / EC: Fix EC_FLAGS_QUERY_HANDSHAKE platforms using new event clearing timing.
ACPI / EC: Add event clearing variation support.
ACPI / EC: Convert event handling work queue into loop style.
ACPI / EC: Cleanup transaction state transition.
ACPI / EC: Remove non-root-caused busy polling quirks.
ACPI / EC: Add module params for polling modes.
ACPI / EC: Fix and clean up register access guarding logics.
ACPI / EC: Remove irqs_disabled() check.
ACPI / EC: Remove storming threashold enlarging quirk.
ACPI / EC: Update acpi_ec_is_gpe_raised() with new GPE status flag.
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* acpi-pm:
ACPI / PM: Add missing pm_generic_complete() invocation
ACPI / PM: Turn power resources on and off in the right order during resume
ACPI / PM: Rework device power management to follow ACPI 6
ACPI / PM: Drop stale comment from acpi_power_transition()
* acpi-apei:
GHES: Make NMI handler have a single reader
GHES: Elliminate double-loop in the NMI handler
GHES: Panic right after detection
GHES: Carve out the panic functionality
GHES: Carve out error queueing in a separate function
* acpi-osl:
ACPI / osl: use same type for acpi_predefined_names values as in definition
* acpi-pci:
ACPI / PCI: remove stale list_head in struct acpi_prt_entry
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* acpi-init:
ACPI / init: Switch over platform to the ACPI mode later
* acpi-pnp:
ACPI / PNP: Avoid conflicting resource reservations
* acpi-scan:
ACPI / scan: constify ACPI device ids
ACPI / property: Define a symbol for PRP0001
ACPI / property: Refine consistency check for PRP0001
* acpi-proc:
ACPI / proc: make ACPI_PROCFS_POWER X86 only
* acpi-doc:
ACPI: Constify ACPI device IDs in documentation
ACPI / enumeration: Document the rules regarding the PRP0001 device ID
ACPI: fix kernel-parameters ordering in Documentation
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* acpica: (22 commits)
ACPICA: Fix for ill-formed GUID strings for NFIT tables.
ACPICA: acpihelp: Update for new NFIT table GUIDs.
ACPICA: Update version to 20150515.
ACPICA: ACPI 6.0: Add support for NFIT table.
ACPICA: acpi_help: Add option to display all known/supported ACPI tables.
ACPICA: iASL/disassembler - fix possible fault for -e option.
ACPICA: ACPI 6.0: Add changes for DRTM table.
ACPICA: ACPI 6.0: Add support for IORT table.
ACPICA: ACPI 6.0: Add ACPI_SUB_PTR().
ACPICA: ACPI 6.0: Add changes for MADT table.
ACPICA: Hardware: Fix a resource leak issue in acpi_hw_build_pci_list().
ACPICA: Dispatcher: Fix a resource leak issue in acpi_ds_auto_serialize_method().
ACPICA: ACPI 6.0: Add changes for LPIT table.
ACPICA: ACPI 6.0: Add changes for FADT table.
ACPICA: ACPI 6.0: Add support for WPBT table.
ACPICA: iASL: Enhance detection of non-ascii or corrupted input files.
ACPICA: Parser: Move a couple externals to the proper header.
ACPICA: ACPI 6.0: Add support for XENV table.
ACPICA: ACPI 6.0: Add support for new predefined names.
ACPICA: ACPI 6.0: Add support for STAO table.
...
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ACPI device ID arrays normally don't need to be written to as they're
only ever read. The common usage -- embedding pointers to acpi_device_id
arrays in other data structures -- reference them as 'const', e.g. as in
struct acpi_driver / acpi_scan_handler / device_driver. The matchers are
taking const pointers, too. So it's only natural, to propose using const
arrays. Change the documentation accordingly.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Document how the ACPI device enumeration code uses the special
PRP0001 device ID.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
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acpi_video_unregister_backlight() is now only used by video_detect.c
which is part of the same acpi_video module as video.c, make
acpi_video_unregister_backlight() private to this module.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Remove the old backlight interface selection API now that all drivers
have been ported to the new API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Azael Avalos <coproscefalo@gmail.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Port the backlight selection logic to the new backlight interface
selection API.
This commit also removes various obsolete pr_xxx messages related to
backlight interface selection. These are obsolete because they assume
there is only a vendor or acpi backlight driver and no other choice.
Also they are not necessary, if the user wants to know which backlight
interfaces are registered a simple "ls /sys/class/backlight" suffices.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mattia Dongili <malattia@linux.it>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Port the backlight selection logic to the new backlight interface
selection API.
This commit also removes various obsolete pr_xxx messages related to
backlight interface selection. These are obsolete because they assume
there is only a vendor or acpi backlight driver and no other choice.
Also they are not necessary, if the user wants to know which backlight
interfaces are registered a simple "ls /sys/class/backlight" suffices.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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|
Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
Port the backlight selection logic to the new backlight interface
selection API.
This commit also removes various obsolete pr_xxx messages related to
backlight interface selection. These are obsolete because they assume
there is only a vendor or acpi backlight driver and no other choice.
Also they are not necessary, if the user wants to know which backlight
interfaces are registered a simple "ls /sys/class/backlight" suffices.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
Port the backlight selection logic to the new backlight interface
selection API.
This commit also removes various obsolete pr_xxx messages related to
backlight interface selection. These are obsolete because they assume
there is only a vendor or acpi backlight driver and no other choice.
Also they are not necessary, if the user wants to know which backlight
interfaces are registered a simple "ls /sys/class/backlight" suffices.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Jonathan Woithe <jwoithe@just42.net>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
Port the backlight selection logic to the new backlight interface
selection API.
This commit also removes various obsolete pr_xxx messages related to
backlight interface selection. These are obsolete because they assume
there is only a vendor or acpi backlight driver and no other choice.
Also they are not necessary, if the user wants to know which backlight
interfaces are registered a simple "ls /sys/class/backlight" suffices.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
