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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"This update is pretty big and almost exclusively includes tooling
changes, because v4.9's LTS status forced to completion most of the
pending kernel side hardware enablement work and because we tried to
freeze core perf work a bit to give a time window for the fuzzing
efforts.
The diff is large mostly due to the JSON hardware event tables added
for Intel and Power8 CPUs. This was a popular feature request from
people working close to hardware and from the HPC community.
Tree size is big because this added the CPU event tables for over a
decade of Intel CPUs. Future changes for a CPU vendor alrady support
should be much smaller, as events for new models are added. The new
events are listed in 'perf list', for the CPU model the tool is
running on. If you find an interesting event it can be used as-is:
$ perf stat -a -e l2_lines_out.pf_clean sleep 1
Performance counter stats for 'system wide':
7,860,403 l2_lines_out.pf_clean
1.000624918 seconds time elapsed
The event lists can be searched the usual 'perf list' fashion for
(case insensitive) substrings as well:
$ perf list l2_lines_out
List of pre-defined events (to be used in -e):
cache:
l2_lines_out.demand_clean
[Clean L2 cache lines evicted by demand]
l2_lines_out.demand_dirty
[Dirty L2 cache lines evicted by demand]
l2_lines_out.dirty_all
[Dirty L2 cache lines filling the L2]
l2_lines_out.pf_clean
[Clean L2 cache lines evicted by L2 prefetch]
l2_lines_out.pf_dirty
[Dirty L2 cache lines evicted by L2 prefetch]
etc.
There's a few high level categories as well that can be listed:
'cache', 'floating point', 'frontend', 'memory', 'pipeline', 'virtual
memory'.
Existing generic events and workflows should work as-is.
The only kernel side change is a late breaking fix for an older
regression, related to Intel BTS, LBR and PT feature interaction.
On the tooling side there are three new tools / major features:
- The new 'perf c2c' tool provides means for Shared Data C2C/HITM
analysis.
This allows you to track down cacheline contention. The tool is
based on x86's load latency and precise store facility events
provided by Intel CPUs.
It was tested by Joe Mario and has proven to be useful, finding
some cacheline contentions. Joe also wrote a blog about c2c tool
with examples:
https://joemario.github.io/blog/2016/09/01/c2c-blog/
excerpt of the content on this site:
At a high level, “perf c2c” will show you:
* The cachelines where false sharing was detected.
* The readers and writers to those cachelines, and the offsets where those accesses occurred.
* The pid, tid, instruction addr, function name, binary object name for those readers and writers.
* The source file and line number for each reader and writer.
* The average load latency for the loads to those cachelines.
* Which numa nodes the samples a cacheline came from and which CPUs were involved.
Using perf c2c is similar to using the Linux perf tool today.
First collect data with “perf c2c record”, then generate a
report output with “perf c2c report”
There one finds extensive details on using the tool, with tips on
reducing the volume of samples while still capturing enough to do
its job. (Dick Fowles, Joe Mario, Don Zickus, Jiri Olsa)
- The new 'perf sched timehist' tool provides tailored analysis of
scheduling events.
Example usage:
perf sched record -- sleep 1
perf sched timehist
By default it shows the individual schedule events, including the
wait time (time between sched-out and next sched-in events for the
task), the task scheduling delay (time between wakeup and actually
running) and run time for the task:
time cpu task name wait time sch delay run time
[tid/pid] (msec) (msec) (msec)
-------- ------ ---------------- --------- --------- --------
1.874569 [0011] gcc[31949] 0.014 0.000 1.148
1.874591 [0010] gcc[31951] 0.000 0.000 0.024
1.874603 [0010] migration/10[59] 3.350 0.004 0.011
1.874604 [0011] <idle> 1.148 0.000 0.035
1.874723 [0005] <idle> 0.016 0.000 1.383
1.874746 [0005] gcc[31949] 0.153 0.078 0.022
...
Times are in msec.usec. (David Ahern, Namhyung Kim)
- Add CPU vendor hardware event tables:
Add JSON files with vendor event naming for Intel and Power8
processors, allowing users of tools like oprofile to keep using the
event names they are used to, as well as people reading vendor
documentation, where such naming is used. (Andi Kleen, Sukadev
Bhattiprolu)
You should see all the new events with 'perf list' and you should
be able to search them, for example 'perf list miss' will list all
the myriads of miss events.
Other tooling features added were:
- Cross-arch annotation support:
o Improve ARM support in the annotation code, affecting 'perf
annotate', 'perf report' and live annotation in 'perf top' (Kim
Phillips)
o Initial support for PowerPC in the annotation code (Ravi
Bangoria)
o Support AArch64 in the 'annotate' code, native/local and
cross-arch/remote (Kim Phillips)
- Allow considering just events in a given time interval, via the
'--time start.s.ms,end.s.ms' command line, added to 'perf kmem',
'perf report', 'perf sched timehist' and 'perf script' (David
Ahern)
- Add option to stop printing a callchain at one of a given group of
symbol names (David Ahern)
- Track memory freed in 'perf kmem stat' (David Ahern)
- Allow querying and setting .perfconfig variables (Taeung Song)
- Show branch information in callchains (predicted, TSX aborts, loop
iteractions, etc) (Jin Yao)
- Dynamicly change verbosity level by pressing 'V' in the 'perf
top/report' hists TUI browser (Alexis Berlemont)
- Implement 'perf trace --delay' in the same fashion as in 'perf
record --delay', to skip sampling workload initialization events
(Alexis Berlemont)
- Make vendor named events case insensitive in 'perf list', i.e.
'perf list LONGEST_LAT' works just the same as 'perf list
longest_lat' (Andi Kleen)
- Add unwinding support for jitdump (Stefano Sanfilippo)
Tooling infrastructure changes:
- Support linking perf with clang and LLVM libraries, initially
statically, but this limitation will be lifted and shared
libraries, when available, will be preferred to the static build,
that should, as with other features, be enabled explicitly (Wang
Nan)
- Add initial support (and perf test entry) for tooling hooks,
starting with 'record_start' and 'record_end', that will have as
its initial user the eBPF infrastructure, where perf_ prefixed
functions will be JITed and run when such hooks are called (Wang
Nan)
- Implement assorted libbpf improvements (Wang Nan)"
... and lots of other changes, features, cleanups and refactorings I
did not list, see the shortlog and the git log for details"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (220 commits)
perf/x86: Fix exclusion of BTS and LBR for Goldmont
perf tools: Explicitly document that --children is enabled by default
perf sched timehist: Cleanup idle_max_cpu handling
perf sched timehist: Handle zero sample->tid properly
perf callchain: Introduce callchain_cursor__copy()
perf sched: Cleanup option processing
perf sched timehist: Improve error message when analyzing wrong file
perf tools: Move perf build related variables under non fixdep leg
perf tools: Force fixdep compilation at the start of the build
perf tools: Move PERF-VERSION-FILE target into rules area
perf build: Check LLVM version in feature check
perf annotate: Show raw form for jump instruction with indirect target
perf tools: Add non config targets
perf tools: Cleanup build directory before each test
perf tools: Move python/perf.so target into rules area
perf tools: Move install-gtk target into rules area
tools build: Move tabs to spaces where suitable
tools build: Make the .cmd file more readable
perf clang: Compile BPF script using builtin clang support
perf clang: Support compile IR to BPF object and add testcase
...
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* pm-cpuidle:
cpuidle: Add a kerneldoc comment to cpuidle_use_deepest_state()
cpuidle: fix improper return value on error
intel_idle: Convert to hotplug state machine
intel_idle: Remove superfluous SMP fuction call
MAINTAINERS: Add Jacob Pan as a new intel_idle maintainer
MAINTAINERS: Add bug tracking system location entries for cpuidle
x86/intel_idle: Add Knights Mill CPUID
x86/intel_idle: Add CPU model 0x4a (Atom Z34xx series)
thermal/intel_powerclamp: stop sched tick in forced idle
thermal/intel_powerclamp: Convert to CPU hotplug state
thermal/intel_powerclamp: Convert the kthread to kthread worker API
thermal/intel_powerclamp: Remove duplicated code that starts the kthread
sched/idle: Add support for tasks that inject idle
cpuidle: Allow enforcing deepest idle state selection
cpuidle/powernv: staticise powernv_idle_driver
cpuidle: dt: assign ->enter_freeze to same as ->enter callback function
cpuidle: governors: Remove remaining old module code
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* pm-cpufreq: (51 commits)
Documentation: intel_pstate: Document HWP energy/performance hints
cpufreq: intel_pstate: Support for energy performance hints with HWP
cpufreq: intel_pstate: Add locking around HWP requests
cpufreq: ondemand: Set MIN_FREQUENCY_UP_THRESHOLD to 1
cpufreq: intel_pstate: Add Knights Mill CPUID
MAINTAINERS: Add bug tracking system location entry for cpufreq
cpufreq: dt: Add support for zx296718
cpufreq: acpi-cpufreq: drop rdmsr_on_cpus() usage
cpufreq: acpi-cpufreq: Convert to hotplug state machine
cpufreq: intel_pstate: fix intel_pstate_exit_perf_limits() prototype
cpufreq: intel_pstate: Set EPP/EPB to 0 in performance mode
cpufreq: schedutil: Rectify comment in sugov_irq_work() function
cpufreq: intel_pstate: increase precision of performance limits
cpufreq: intel_pstate: round up min_perf limits
cpufreq: Make cpufreq_update_policy() void
ACPI / processor: Make acpi_processor_ppc_has_changed() void
cpufreq: Avoid using inactive policies
cpufreq: intel_pstate: Generic governors support
cpufreq: intel_pstate: Request P-states control from SMM if needed
cpufreq: dt: Add support for r8a7743 and r8a7745
...
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* pm-opp:
PM / OPP: Don't WARN on multiple calls to dev_pm_opp_set_regulators()
PM / OPP: Allow platform specific custom set_opp() callbacks
PM / OPP: Separate out _generic_set_opp()
PM / OPP: Add infrastructure to manage multiple regulators
PM / OPP: Pass struct dev_pm_opp_supply to _set_opp_voltage()
PM / OPP: Manage supply's voltage/current in a separate structure
PM / OPP: Don't use OPP structure outside of rcu protected section
PM / OPP: Reword binding supporting multiple regulators per device
PM / OPP: Fix incorrect cpu-supply property in binding
PM / OPP: Pass opp_table to dev_pm_opp_put_regulator()
PM / OPP: fix debug/error messages in dev_pm_opp_of_get_sharing_cpus()
PM / OPP: make _of_get_opp_desc_node() a static function
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* pm-core:
PM / core: Fix bug in the error handling of async suspend
PM / wakeirq: Fix dedicated wakeirq for drivers not using autosuspend
PM / Runtime: Defer resuming of the device in pm_runtime_force_resume()
PM / Runtime: Don't allow to suspend a device with an active child
net: smsc911x: Synchronize the runtime PM status during system suspend
PM / Runtime: Convert pm_runtime_set_suspended() to return an int
PM / Runtime: Clarify comment in rpm_resume() when resuming the parent
PM / Runtime: Remove the exported function pm_children_suspended()
* pm-qos:
PM / QoS: Export dev_pm_qos_update_user_latency_tolerance
PM / QoS: Fix writing 'auto' to pm_qos_latency_tolerance_us
PM / QoS: Improve sysfs pm_qos_latency_tolerance validation
* pm-avs:
PM / AVS: rockchip-io: make the log more consistent
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* pm-domains:
PM / Domains: Fix compatible for domain idle state
PM / Domains: Do not print PM domain add error message if EPROBE_DEFER
PM / Domains: Fix a warning message
PM / Domains: check for negative return from of_count_phandle_with_args()
PM / doc: Update device documentation for devices in IRQ-safe PM domains
PM / Domains: Support IRQ safe PM domains
PM / Domains: Abstract genpd locking
dt/bindings / PM/Domains: Update binding for PM domain idle states
PM / Domains: Save the fwnode in genpd_power_state
PM / Domains: Allow domain power states to be read from DT
PM / Domains: Add residency property to genpd states
PM / Domains: Make genpd state allocation dynamic
Conflicts:
arch/arm/mach-imx/gpc.c
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Fix overflows seen when writing into fan speed limit attributes.
Also fix crash due to division by zero, seen when certain very
large values (such as 2147483648, or 0x80000000) are written
into fan speed limit attributes.
Fixes: 594fbe713bf60 ("Add support for GMT G762/G763 PWM fan controllers")
Cc: Arnaud Ebalard <arno@natisbad.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Writes into temperature and voltage limit attributes can overflow
due to multiplications with unchecked parameters. Also, the input
parameter to DIV_ROUND_CLOSEST() needis to be range checked.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Writes into temperature limit attributes can overflow due to unbound
values passed to DIV_ROUND_CLOSEST().
Cc: Steve Glendinning <steve.glendinning@shawell.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Writes into voltage limit attributes can overflow due to an unbound
multiplication.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Writes into voltage limit attributes can overflow due to an unbound
multiplication.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fix overflows seen when writing voltage and temperature limit attributes.
The value passed to DIV_ROUND_CLOSEST() needs to be clamped, and the
value parameter passed to nct7802_write_fan_min() is an unsigned long.
Also, writing values larger than 2700000 into a fan limit attribute results
in writing 0 into the chip's limit registers. The exact behavior when
writing this value is unspecified. For consistency, report a limit of
1350000 if the chip register reads 0. This may be wrong, and the chip
behavior should be verified with the actual chip, but it is better than
reporting a value of 0 (which, when written, results in writing a value
of 0x1fff into the chip register).
Fixes: 3434f3783580 ("hwmon: Driver for Nuvoton NCT7802Y")
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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bcm2835_clock_choose_div_and_prate()
best_rate is reported as potentially uninitialized by gcc.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Fixes: 155e8b3b0ee3 ("clk: bcm: Support rate change propagation on bcm2835 clocks")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull mm/PAT cleanup from Ingo Molnar:
"A single cleanup for a generic interface that was originally
introduced for PAT"
* 'mm-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/pat, mm: Make track_pfn_insert() return void
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This patch fix a missing size change in f2fs_setattr
Signed-off-by: Yunlei He <heyunlei@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The 's' flag is supposed to indicate that a softirq is running. This
can be detected by testing the preempt_count with SOFTIRQ_OFFSET.
The current code tests the preempt_count with SOFTIRQ_MASK, which
would be true even when softirqs are disabled but not serving a
softirq.
Link: http://lkml.kernel.org/r/1481300417-3564-1-git-send-email-pkondeti@codeaurora.org
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"The tree got pretty big in this development cycle, but the net effect
is pretty good:
115 files changed, 673 insertions(+), 1522 deletions(-)
The main changes were:
- Rework and generalize the mutex code to remove per arch mutex
primitives. (Peter Zijlstra)
- Add vCPU preemption support: add an interface to query the
preemption status of vCPUs and use it in locking primitives - this
optimizes paravirt performance. (Pan Xinhui, Juergen Gross,
Christian Borntraeger)
- Introduce cpu_relax_yield() and remov cpu_relax_lowlatency() to
clean up and improve the s390 lock yielding machinery and its core
kernel impact. (Christian Borntraeger)
- Micro-optimize mutexes some more. (Waiman Long)
- Reluctantly add the to-be-deprecated mutex_trylock_recursive()
interface on a temporary basis, to give the DRM code more time to
get rid of its locking hacks. Any other users will be NAK-ed on
sight. (We turned off the deprecation warning for the time being to
not pollute the build log.) (Peter Zijlstra)
- Improve the rtmutex code a bit, in light of recent long lived
bugs/races. (Thomas Gleixner)
- Misc fixes, cleanups"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
x86/paravirt: Fix bool return type for PVOP_CALL()
x86/paravirt: Fix native_patch()
locking/ww_mutex: Use relaxed atomics
locking/rtmutex: Explain locking rules for rt_mutex_proxy_unlock()/init_proxy_locked()
locking/rtmutex: Get rid of RT_MUTEX_OWNER_MASKALL
x86/paravirt: Optimize native pv_lock_ops.vcpu_is_preempted()
locking/mutex: Break out of expensive busy-loop on {mutex,rwsem}_spin_on_owner() when owner vCPU is preempted
locking/osq: Break out of spin-wait busy waiting loop for a preempted vCPU in osq_lock()
Documentation/virtual/kvm: Support the vCPU preemption check
x86/xen: Support the vCPU preemption check
x86/kvm: Support the vCPU preemption check
x86/kvm: Support the vCPU preemption check
kvm: Introduce kvm_write_guest_offset_cached()
locking/core, x86/paravirt: Implement vcpu_is_preempted(cpu) for KVM and Xen guests
locking/spinlocks, s390: Implement vcpu_is_preempted(cpu)
locking/core, powerpc: Implement vcpu_is_preempted(cpu)
sched/core: Introduce the vcpu_is_preempted(cpu) interface
sched/wake_q: Rename WAKE_Q to DEFINE_WAKE_Q
locking/core: Provide common cpu_relax_yield() definition
locking/mutex: Don't mark mutex_trylock_recursive() as deprecated, temporarily
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"The main changes in this development cycle were:
- Implement EFI dev path parser and other changes to fully support
thunderbolt devices on Apple Macbooks (Lukas Wunner)
- Add RNG seeding via the EFI stub, on ARM/arm64 (Ard Biesheuvel)
- Expose EFI framebuffer configuration to user-space, to improve
tooling (Peter Jones)
- Misc fixes and cleanups (Ivan Hu, Wei Yongjun, Yisheng Xie, Dan
Carpenter, Roy Franz)"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/libstub: Make efi_random_alloc() allocate below 4 GB on 32-bit
thunderbolt: Compile on x86 only
thunderbolt, efi: Fix Kconfig dependencies harder
thunderbolt, efi: Fix Kconfig dependencies
thunderbolt: Use Device ROM retrieved from EFI
x86/efi: Retrieve and assign Apple device properties
efi: Allow bitness-agnostic protocol calls
efi: Add device path parser
efi/arm*/libstub: Invoke EFI_RNG_PROTOCOL to seed the UEFI RNG table
efi/libstub: Add random.c to ARM build
efi: Add support for seeding the RNG from a UEFI config table
MAINTAINERS: Add ARM and arm64 EFI specific files to EFI subsystem
efi/libstub: Fix allocation size calculations
efi/efivar_ssdt_load: Don't return success on allocation failure
efifb: Show framebuffer layout as device attributes
efi/efi_test: Use memdup_user() as a cleanup
efi/efi_test: Fix uninitialized variable 'rv'
efi/efi_test: Fix uninitialized variable 'datasize'
efi/arm*: Fix efi_init() error handling
efi: Remove unused include of <linux/version.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP bootup updates from Ingo Molnar:
"Three changes to unify/standardize some of the bootup message printing
in kernel/smp.c between architectures"
* 'core-smp-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
kernel/smp: Tell the user we're bringing up secondary CPUs
kernel/smp: Make the SMP boot message common on all arches
kernel/smp: Define pr_fmt() for smp.c
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Commit 4b65a5db3627 ("arm64: Introduce uaccess_{disable,enable}
functionality based on TTBR0_EL1") added conditional user access
enable/disable. Unfortunately, a typo prevents the PAN bit from being
cleared for user access functions.
Restore the PAN functionality by adding the missing '!'.
Fixes: b65a5db3627 ("arm64: Introduce uaccess_{disable,enable} functionality based on TTBR0_EL1")
Reported-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The "perf_counter_reset" case has already been handled above.
Moreover "ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT_SIZE" is not a really
consistent.
It is likely that this (dead) code is a cut and paste left over.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
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* pci/host-vmd:
PCI: vmd: Fix suspend handlers defined-but-not-used warning
PCI: vmd: Use SRCU as a local RCU to prevent delaying global RCU
PCI: vmd: Remove unnecessary pci_set_drvdata()
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* pci/host-tegra:
arm64: tegra: Enable PCIe on Jetson TX1
arm64: tegra: Add PCIe host bridge on Tegra210
PCI: tegra: Enable the driver on 64-bit ARM
PCI: tegra: Add Tegra210 support
PCI: tegra: Implement PCA enable workaround
dt-bindings: pci: tegra: Add Tegra210 support
PCI: tegra: Use new pci_register_host_bridge() interface
PCI: Export host bridge registration interface
PCI: Allow driver-specific data in host bridge
PCI: Add pci_register_host_bridge() interface
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* pci/host-spear:
PCI: spear: Use builtin_platform_driver() to simplify the code
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* pci/host-rockchip:
PCI: rockchip: Move the deassert of pm/aclk/pclk after phy_init()
PCI: rockchip: Split out rockchip_cfg_atu()
PCI: rockchip: Clean up bit definitions for PCIE_RC_CONFIG_LCS
PCI: rockchip: Correct the use of FTS mask
PCI: rockchip: Remove the pointer to L1 substate cap
PCI: rockchip: Specify the link capability
PCI: rockchip: Fix negotiated lanes calculation
PCI: rockchip: Add Kconfig COMPILE_TEST
PCI: rockchip: Mark RC as common clock architecture
PCI: rockchip: Provide captured slot power limit and scale
PCI: rockchip: Add three new resets as required properties
PCI: Don't attempt to claim shadow copies of ROM
PCI: designware: Check for iATU unroll support after initializing host
PCI: qcom: Fix pp->dev usage before assignment
PCI: designware-plat: Update author email address
PCI: layerscape: Fix drvdata usage before assignment
PCI: designware-plat: Change maintainer to Jose Abreu
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* pci/host-rcar:
PCI: rcar: Add gen3 fallback compatibility string for pcie-rcar
PCI: rcar: Use gen2 fallback compatibility last
PCI: rcar-gen2: Use gen2 fallback compatibility last
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* pci/host-qcom:
PCI: qcom: Add support for MSM8996 PCIe controller
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* pci/host-layerscape:
PCI: layerscape: Add LS1046a support
PCI: layerscape: Remove redundant error message from ls_pcie_probe()
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* pci/host-iproc:
PCI: iproc: Skip check for legacy IRQ on PAXC buses
PCI: iproc: Fix incorrect MSI address alignment
PCI: iproc: Add support for the next-gen PAXB controller
PCI: iproc: Add PAXBv2 binding info
PCI: iproc: Add inbound DMA mapping support
PCI: iproc: Add optional dma-ranges
PCI: iproc: Make outbound mapping code more generic
PCI: iproc: Remove redundant outbound properties
PCI: iproc: Add PAXC v2 support
PCI: iproc: Add PAXCv2 related binding
PCI: iproc: Fix exception with multi-function devices
PCI: iproc: Add BCMA type
PCI: iproc: Do not reset PAXC when initializing the driver
PCI: iproc: Improve core register population
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* pci/host-imx6:
MAINTAINERS: Add devicetree binding to PCI i.MX6 entry
MAINTAINERS: Update Richard Zhu's email address
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* pci/host-hv:
PCI: hv: Allocate physically contiguous hypercall params buffer
PCI: hv: Delete the device earlier from hbus->children for hot-remove
PCI: hv: Fix hv_pci_remove() for hot-remove
PCI: hv: Use the correct buffer size in new_pcichild_device()
PCI: hv: Make unnecessarily global IRQ masking functions static
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* pci/host-hisi:
PCI: hisi: Remove redundant error message from hisi_pcie_probe()
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* pci/host-altera:
PCI: altera: Remove redundant error message in altera_pcie_parse_dt()
PCI: altera: Use builtin_platform_driver() to simplify the code
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* pci/host:
of/pci: Add of_pci_get_max_link_speed() to parse max-link-speed from DT
Documentation/devicetree: Add PCIe max-link-speed property
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* pci/virtualization:
PCI: Add comments about ROM BAR updating
PCI: Decouple IORESOURCE_ROM_ENABLE and PCI_ROM_ADDRESS_ENABLE
PCI: Remove pci_resource_bar() and pci_iov_resource_bar()
PCI: Don't update VF BARs while VF memory space is enabled
PCI: Separate VF BAR updates from standard BAR updates
PCI: Update BARs using property bits appropriate for type
PCI: Ignore BAR updates on virtual functions
PCI: Do any VF BAR updates before enabling the BARs
PCI: Support INTx masking on ConnectX-4 with firmware x.14.1100+
PCI: Convert Mellanox broken INTx quirks to be for listed devices only
PCI: Convert broken INTx masking quirks from HEADER to FINAL
net/mlx4_core: Use device ID defines
PCI: Add Mellanox device IDs
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* pci/pm:
x86/platform/intel-mid: Constify mid_pci_platform_pm
PCI: pciehp: Add runtime PM support for PCIe hotplug ports
ACPI / hotplug / PCI: Make device_is_managed_by_native_pciehp() public
ACPI / hotplug / PCI: Use cached copy of PCI_EXP_SLTCAP_HPC bit
PCI: Unfold conditions to block runtime PM on PCIe ports
PCI: Consolidate conditions to allow runtime PM on PCIe ports
PCI: Activate runtime PM on a PCIe port only if it can suspend
PCI: Speed up algorithm in pci_bridge_d3_update()
PCI: Autosense device removal in pci_bridge_d3_update()
PCI: Don't acquire ref on parent in pci_bridge_d3_update()
USB: UHCI: report non-PME wakeup signalling for Intel hardware
PCI: Check for PME in targeted sleep state
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* pci/msi:
PCI/MSI: Check for NULL affinity mask in pci_irq_get_affinity()
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* pci/misc:
PCI: Enable access to non-standard VPD for Chelsio devices (cxgb3)
PCI: Expand "VPD access disabled" quirk message
PCI: pciehp: Remove loading message
PCI: hotplug: Remove hotplug core message
PCI: Remove service driver load/unload messages
PCI/AER: Log AER IRQ when claiming Root Port
PCI/AER: Log errors with PCI device, not PCIe service device
PCI/AER: Remove unused version macros
PCI/PME: Log PME IRQ when claiming Root Port
PCI/PME: Drop unused support for PMEs from Root Complex Event Collectors
PCI: Move config space size macros to pci_regs.h
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* pci/hotplug:
PCI: pciehp: Leave power indicator on when enabling already-enabled slot
PCI: pciehp: Prioritize data-link event over presence detect
PCI: cpqphp: Add missing call to pci_disable_device()
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* pci/enumeration:
PCI: Warn on possible RW1C corruption for sub-32 bit config writes
PCI: Create revision file in sysfs
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* pci/ecam:
PCI: Explain ARM64 ACPI/MCFG quirk Kconfig and build strategy
PCI: Add MCFG quirks for X-Gene host controller
PCI: Add MCFG quirks for Cavium ThunderX pass1.x host controller
PCI: Add MCFG quirks for Cavium ThunderX pass2.x host controller
PCI: thunder-pem: Factor out resource lookup
PCI: Add MCFG quirks for HiSilicon Hip05/06/07 host controllers
PCI: Add MCFG quirks for Qualcomm QDF2432 host controller
PCI/ACPI: Provide acpi_get_rc_resources() for ARM64 platform
PCI/ACPI: Check for platform-specific MCFG quirks
PCI/ACPI: Extend pci_mcfg_lookup() to return ECAM config accessors
arm64: PCI: Exclude ACPI "consumer" resources from host bridge windows
arm64: PCI: Manage controller-specific data on per-controller basis
arm64: PCI: Search ACPI namespace to ensure ECAM space is reserved
arm64: PCI: Add local struct device pointers
ACPI: Add acpi_resource_consumer() to find device that claims a resource
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* pci/aspm:
PCI/ASPM: Don't retrain link if ASPM not possible
PCI/ASPM: Use permission-specific DEVICE_ATTR variants
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
"The main RCU changes in this development cycle were:
- Miscellaneous fixes, including a change to call_rcu()'s rcu_head
alignment check.
- Security-motivated list consistency checks, which are disabled by
default behind DEBUG_LIST.
- Torture-test updates.
- Documentation updates, yet again just simple changes"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
torture: Prevent jitter from delaying build-only runs
torture: Remove obsolete files from rcutorture .gitignore
rcu: Don't kick unless grace period or request
rcu: Make expedited grace periods recheck dyntick idle state
torture: Trace long read-side delays
rcu: RCU_TRACE enables event tracing as well as debugfs
rcu: Remove obsolete comment from __call_rcu()
rcu: Remove obsolete rcu_check_callbacks() header comment
rcu: Tighten up __call_rcu() rcu_head alignment check
Documentation/RCU: Fix minor typo
documentation: Present updated RCU guarantee
bug: Avoid Kconfig warning for BUG_ON_DATA_CORRUPTION
lib/Kconfig.debug: Fix typo in select statement
lkdtm: Add tests for struct list corruption
bug: Provide toggle for BUG on data corruption
list: Split list_del() debug checking into separate function
rculist: Consolidate DEBUG_LIST for list_add_rcu()
list: Split list_add() debug checking into separate function
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git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris
Pull CRIS updates from Jesper Nilsson:
"Three patches for minor issues"
* tag 'cris-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris:
cris: No need to append -O2 and $(LINUXINCLUDE)
tty: serial: make crisv10 explicitly non-modular
cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected
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In sirfsoc_dma_pm_suspend(), variable ‘sdesc’ is initialized but never used, which
leads to warning with W=1.
drivers/dma/sirf-dma.c: In function 'sirfsoc_dma_pm_suspend':
drivers/dma/sirf-dma.c:1014:27: warning: variable 'sdesc' set but not used [-Wunused-but-set-variable]
So remove it.
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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In pl330_add(), variable ‘regs’ is initialized but never used, which
leads to warning with W=1.
drivers/dma/pl330.c: In function 'pl330_add':
drivers/dma/pl330.c:1891:16: warning: variable 'regs' set but not used [-Wunused-but-set-variable]
So remove it.
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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In s3c24xx_dma_get_phy(), variable ‘cdata’ is initialized but never used, which
leads to warning with W=1. Removing this make pdata unused.
drivers/dma/s3c24xx-dma.c: In function ‘s3c24xx_dma_get_phy’:
drivers/dma/s3c24xx-dma.c:293:30: warning: variable ‘cdata’ set but not used [-Wunused-but-set-variable]
struct s3c24xx_dma_channel *cdata;
So remove both of them.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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In stm32_dma_set_xfer_param(), variable ‘src_addr’ is initialized but never used, which
leads to warning with W=1
drivers/dma/stm32-dma.c: In function ‘stm32_dma_set_xfer_param’:
drivers/dma/stm32-dma.c:577:13: warning: variable ‘src_addr’ set but not used [-Wunused-but-set-variable]
dma_addr_t src_addr, dst_addr;
So remove it.
Reviewed-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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