Modify the device properties framework to remove union aliasing
from it (Andy Shevchenko).
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Merge tag 'dp-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties framework update from Rafael Wysocki:
"Modify the device properties framework to remove union aliasing from
it (Andy Shevchenko)"
* tag 'dp-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
device property: Get rid of union aliasing
These update the ACPICA code in the kernel to the 20180508 upstream
revision and make it support the RT patch, add CPPC v3 support to the
ACPI CPPC library, add a WDAT-based watchdog quirk to prevent clashes
with the RTC, add quirks to the ACPI AC and battery drivers, and
update the ACPI SoC drivers.
Specifics:
- Update the ACPICA code in the kernel to the 20180508 upstream
revision including:
* iASL -tc option enhancement (Bob Moore).
* Debugger improvements (Bob Moore).
* Support for tables larger than 1 MB in acpidump/acpixtract
(Bob Moore).
* Minor fixes and cleanups (Colin Ian King, Toomas Soome).
- Make the ACPICA code in the kernel support the RT patch (Sebastian
Andrzej Siewior, Steven Rostedt).
- Add a kmemleak annotation to the ACPICA code (Larry Finger).
- Add CPPC v3 support to the ACPI CPPC library and fix two issues
related to CPPC (Prashanth Prakash, Al Stone).
- Add an ACPI WDAT-based watchdog quirk to prefer iTCO_wdt on
systems where WDAT clashes with the RTC SRAM (Mika Westerberg).
- Add some quirks to the ACPI AC and battery drivers (Carlo Caione,
Hans de Goede).
- Update the ACPI SoC drivers for Intel (LPSS) and AMD (APD)
platforms (Akshu Agrawal, Hans de Goede).
- Fix up some assorted minor issues (Al Stone, Laszlo Toth,
Mathieu Malaterre).
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Merge tag 'acpi-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to the 20180508 upstream
revision and make it support the RT patch, add CPPC v3 support to the
ACPI CPPC library, add a WDAT-based watchdog quirk to prevent clashes
with the RTC, add quirks to the ACPI AC and battery drivers, and
update the ACPI SoC drivers.
Specifics:
- Update the ACPICA code in the kernel to the 20180508 upstream
revision including:
* iASL -tc option enhancement (Bob Moore).
* Debugger improvements (Bob Moore).
* Support for tables larger than 1 MB in acpidump/acpixtract (Bob
Moore).
* Minor fixes and cleanups (Colin Ian King, Toomas Soome).
- Make the ACPICA code in the kernel support the RT patch (Sebastian
Andrzej Siewior, Steven Rostedt).
- Add a kmemleak annotation to the ACPICA code (Larry Finger).
- Add CPPC v3 support to the ACPI CPPC library and fix two issues
related to CPPC (Prashanth Prakash, Al Stone).
- Add an ACPI WDAT-based watchdog quirk to prefer iTCO_wdt on systems
where WDAT clashes with the RTC SRAM (Mika Westerberg).
- Add some quirks to the ACPI AC and battery drivers (Carlo Caione,
Hans de Goede).
- Update the ACPI SoC drivers for Intel (LPSS) and AMD (APD)
platforms (Akshu Agrawal, Hans de Goede).
- Fix up some assorted minor issues (Al Stone, Laszlo Toth, Mathieu
Malaterre)"
* tag 'acpi-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
ACPICA: Mark acpi_ut_create_internal_object_dbg() memory allocations as non-leaks
ACPI / watchdog: Prefer iTCO_wdt always when WDAT table uses RTC SRAM
mailbox: PCC: erroneous error message when parsing ACPI PCCT
ACPICA: Update version to 20180508
ACPICA: acpidump/acpixtract: Support for tables larger than 1MB
ACPI: APD: Add AMD misc clock handler support
clk: x86: Add ST oscout platform clock
ACPICA: Update version to 20180427
ACPICA: Debugger: Removed direct support for EC address space in "Test Objects"
ACPICA: Debugger: Add Package support for "test objects" command
ACPICA: Improve error messages for the namespace root node
ACPICA: Fix potential infinite loop in acpi_rs_dump_byte_list
ACPICA: vsnprintf: this statement may fall through
ACPICA: Tables: Fix spelling mistake in comment
ACPICA: iASL: Enhance the -tc option (create AML hex file in C)
ACPI: Add missing prototype_for arch_post_acpi_subsys_init()
ACPI / tables: improve comments regarding acpi_parse_entries_array()
ACPICA: Convert acpi_gbl_hardware lock back to an acpi_raw_spinlock
ACPICA: provide abstraction for raw_spinlock_t
ACPI / CPPC: Fix invalid PCC channel status errors
...
These include a significant update of the generic power domains (genpd)
and Operating Performance Points (OPP) frameworks, mostly related to
the introduction of power domain performance levels, cpufreq updates
(new driver for Qualcomm Kryo processors, updates of the existing
drivers, some core fixes, schedutil governor improvements), PCI power
management fixes, ACPI workaround for EC-based wakeup events handling
on resume from suspend-to-idle, and major updates of the turbostat
and pm-graph utilities.
Specifics:
- Introduce power domain performance levels into the the generic
power domains (genpd) and Operating Performance Points (OPP)
frameworks (Viresh Kumar, Rajendra Nayak, Dan Carpenter).
- Fix two issues in the runtime PM framework related to the
initialization and removal of devices using device links (Ulf
Hansson).
- Clean up the initialization of drivers for devices in PM domains
(Ulf Hansson, Geert Uytterhoeven).
- Fix a cpufreq core issue related to the policy sysfs interface
causing CPU online to fail for CPUs sharing one cpufreq policy in
some situations (Tao Wang).
- Make it possible to use platform-specific suspend/resume hooks
in the cpufreq-dt driver and make the Armada 37xx DVFS use that
feature (Viresh Kumar, Miquel Raynal).
- Optimize policy transition notifications in cpufreq (Viresh Kumar).
- Improve the iowait boost mechanism in the schedutil cpufreq
governor (Patrick Bellasi).
- Improve the handling of deferred frequency updates in the
schedutil cpufreq governor (Joel Fernandes, Dietmar Eggemann,
Rafael Wysocki, Viresh Kumar).
- Add a new cpufreq driver for Qualcomm Kryo (Ilia Lin).
- Fix and clean up some cpufreq drivers (Colin Ian King, Dmitry
Osipenko, Doug Smythies, Luc Van Oostenryck, Simon Horman,
Viresh Kumar).
- Fix the handling of PCI devices with the DPM_SMART_SUSPEND flag
set and update stale comments in the PCI core PM code (Rafael
Wysocki).
- Work around an issue related to the handling of EC-based wakeup
events in the ACPI PM core during resume from suspend-to-idle if
the EC has been put into the low-power mode (Rafael Wysocki).
- Improve the handling of wakeup source objects in the PM core (Doug
Berger, Mahendran Ganesh, Rafael Wysocki).
- Update the driver core to prevent deferred probe from breaking
suspend/resume ordering (Feng Kan).
- Clean up the PM core somewhat (Bjorn Helgaas, Ulf Hansson, Rafael
Wysocki).
- Make the core suspend/resume code and cpufreq support the RT patch
(Sebastian Andrzej Siewior, Thomas Gleixner).
- Consolidate the PM QoS handling in cpuidle governors (Rafael
Wysocki).
- Fix a possible crash in the hibernation core (Tetsuo Handa).
- Update the rockchip-io Adaptive Voltage Scaling (AVS) driver
(David Wu).
- Update the turbostat utility (fixes, cleanups, new CPU IDs, new
command line options, built-in "Low Power Idle" counters support,
new POLL and POLL% columns) and add an entry for it to MAINTAINERS
(Len Brown, Artem Bityutskiy, Chen Yu, Laura Abbott, Matt Turner,
Prarit Bhargava, Srinivas Pandruvada).
- Update the pm-graph to version 5.1 (Todd Brandt).
- Update the intel_pstate_tracer utility (Doug Smythies).
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Merge tag 'pm-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These include a significant update of the generic power domains
(genpd) and Operating Performance Points (OPP) frameworks, mostly
related to the introduction of power domain performance levels,
cpufreq updates (new driver for Qualcomm Kryo processors, updates of
the existing drivers, some core fixes, schedutil governor
improvements), PCI power management fixes, ACPI workaround for
EC-based wakeup events handling on resume from suspend-to-idle, and
major updates of the turbostat and pm-graph utilities.
Specifics:
- Introduce power domain performance levels into the the generic
power domains (genpd) and Operating Performance Points (OPP)
frameworks (Viresh Kumar, Rajendra Nayak, Dan Carpenter).
- Fix two issues in the runtime PM framework related to the
initialization and removal of devices using device links (Ulf
Hansson).
- Clean up the initialization of drivers for devices in PM domains
(Ulf Hansson, Geert Uytterhoeven).
- Fix a cpufreq core issue related to the policy sysfs interface
causing CPU online to fail for CPUs sharing one cpufreq policy in
some situations (Tao Wang).
- Make it possible to use platform-specific suspend/resume hooks in
the cpufreq-dt driver and make the Armada 37xx DVFS use that
feature (Viresh Kumar, Miquel Raynal).
- Optimize policy transition notifications in cpufreq (Viresh Kumar).
- Improve the iowait boost mechanism in the schedutil cpufreq
governor (Patrick Bellasi).
- Improve the handling of deferred frequency updates in the schedutil
cpufreq governor (Joel Fernandes, Dietmar Eggemann, Rafael Wysocki,
Viresh Kumar).
- Add a new cpufreq driver for Qualcomm Kryo (Ilia Lin).
- Fix and clean up some cpufreq drivers (Colin Ian King, Dmitry
Osipenko, Doug Smythies, Luc Van Oostenryck, Simon Horman, Viresh
Kumar).
- Fix the handling of PCI devices with the DPM_SMART_SUSPEND flag set
and update stale comments in the PCI core PM code (Rafael Wysocki).
- Work around an issue related to the handling of EC-based wakeup
events in the ACPI PM core during resume from suspend-to-idle if
the EC has been put into the low-power mode (Rafael Wysocki).
- Improve the handling of wakeup source objects in the PM core (Doug
Berger, Mahendran Ganesh, Rafael Wysocki).
- Update the driver core to prevent deferred probe from breaking
suspend/resume ordering (Feng Kan).
- Clean up the PM core somewhat (Bjorn Helgaas, Ulf Hansson, Rafael
Wysocki).
- Make the core suspend/resume code and cpufreq support the RT patch
(Sebastian Andrzej Siewior, Thomas Gleixner).
- Consolidate the PM QoS handling in cpuidle governors (Rafael
Wysocki).
- Fix a possible crash in the hibernation core (Tetsuo Handa).
- Update the rockchip-io Adaptive Voltage Scaling (AVS) driver (David
Wu).
- Update the turbostat utility (fixes, cleanups, new CPU IDs, new
command line options, built-in "Low Power Idle" counters support,
new POLL and POLL% columns) and add an entry for it to MAINTAINERS
(Len Brown, Artem Bityutskiy, Chen Yu, Laura Abbott, Matt Turner,
Prarit Bhargava, Srinivas Pandruvada).
- Update the pm-graph to version 5.1 (Todd Brandt).
- Update the intel_pstate_tracer utility (Doug Smythies)"
* tag 'pm-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (128 commits)
tools/power turbostat: update version number
tools/power turbostat: Add Node in output
tools/power turbostat: add node information into turbostat calculations
tools/power turbostat: remove num_ from cpu_topology struct
tools/power turbostat: rename num_cores_per_pkg to num_cores_per_node
tools/power turbostat: track thread ID in cpu_topology
tools/power turbostat: Calculate additional node information for a package
tools/power turbostat: Fix node and siblings lookup data
tools/power turbostat: set max_num_cpus equal to the cpumask length
tools/power turbostat: if --num_iterations, print for specific number of iterations
tools/power turbostat: Add Cannon Lake support
tools/power turbostat: delete duplicate #defines
x86: msr-index.h: Correct SNB_C1/C3_AUTO_UNDEMOTE defines
tools/power turbostat: Correct SNB_C1/C3_AUTO_UNDEMOTE defines
tools/power turbostat: add POLL and POLL% column
tools/power turbostat: Fix --hide Pk%pc10
tools/power turbostat: Build-in "Low Power Idle" counters support
tools/power turbostat: Don't make man pages executable
tools/power turbostat: remove blank lines
tools/power turbostat: a small C-states dump readability immprovement
...
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Merge tag 'for-linus-20180605' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"This just contains the dm kzalloc fix that was discussed, and a fix
that I queued up yesterday for a case where blk-mq doesn't honor the
stop bit appropriately"
* tag 'for-linus-20180605' of git://git.kernel.dk/linux-block:
dm: Use kzalloc for all structs with embedded biosets/mempools
blk-mq: return when hctx is stopped in blk_mq_run_work_fn
Merge faddr2line updates from Josh Poimboeuf:
- revert faddr2line's default output to its original non-code-listing
output, and make the code listing an optional feature
- give faddr2line a real maintainer, so get_maintainer.pl will actually
CC me on future patches
* emailed patches from Josh Poimboeuf <jpoimboe@redhat.com>:
MAINTAINERS: add Josh Poimboeuf as faddr2line maintainer
scripts/faddr2line: make the new code listing format optional
... so I finally get credit for my greatest accomplishment.
And, less importantly, so get_maintainer.pl will actually CC me on
future patches.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 6870c0165f ("scripts/faddr2line: show the code context")
radically altered the output format of the faddr2line tool. And while
the new list output format might have merit it broke my vim usage and
was hard to read.
Make the new format optional; using a '--list' argument and attempt to
make the output slightly easier to read by adding a little whitespace to
separate the different files and explicitly mark the line in question.
Cc: Changbin Du <changbin.du@intel.com>
Fixes: 6870c0165f ("scripts/faddr2line: show the code context")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mempool_init()/bioset_init() require that the mempools/biosets be zeroed
first; they probably should not _require_ this, but not allocating those
structs with kzalloc is a fairly nonsensical thing to do (calling
mempool_exit()/bioset_exit() on an uninitialized mempool/bioset is legal
and safe, but only works if said memory was zeroed.)
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pull x86 hyperv updates from Thomas Gleixner:
"A set of commits to enable APIC enlightenment when running as a guest
on Microsoft HyperV.
This accelerates the APIC access with paravirtualization techniques,
which are called enlightenments on Hyper-V"
* 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/Hyper-V/hv_apic: Build the Hyper-V APIC conditionally
x86/Hyper-V/hv_apic: Include asm/apic.h
X86/Hyper-V: Consolidate the allocation of the hypercall input page
X86/Hyper-V: Consolidate code for converting cpumask to vpset
X86/Hyper-V: Enhanced IPI enlightenment
X86/Hyper-V: Enable IPI enlightenments
X86/Hyper-V: Enlighten APIC access
Pull x86 cache resource controller updates from Thomas Gleixner:
"An update for the Intel Resource Director Technolgy (RDT) which adds a
feedback driven software controller to runtime adjust the bandwidth
allocation MSRs.
This makes the allocations more accurate and allows to use bandwidth
values in understandable units (MB/s) instead of using percentage
based allocations as the original, still available, interface.
The software controller can be enabled with a new mount option for the
resctrl filesystem"
* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/intel_rdt/mba_sc: Feedback loop to dynamically update mem bandwidth
x86/intel_rdt/mba_sc: Prepare for feedback loop
x86/intel_rdt/mba_sc: Add schemata support
x86/intel_rdt/mba_sc: Add initialization support
x86/intel_rdt/mba_sc: Enable/disable MBA software controller
x86/intel_rdt/mba_sc: Documentation for MBA software controller(mba_sc)
Pull timers and timekeeping updates from Thomas Gleixner:
- Core infrastucture work for Y2038 to address the COMPAT interfaces:
+ Add a new Y2038 safe __kernel_timespec and use it in the core
code
+ Introduce config switches which allow to control the various
compat mechanisms
+ Use the new config switch in the posix timer code to control the
32bit compat syscall implementation.
- Prevent bogus selection of CPU local clocksources which causes an
endless reselection loop
- Remove the extra kthread in the clocksource code which has no value
and just adds another level of indirection
- The usual bunch of trivial updates, cleanups and fixlets all over the
place
- More SPDX conversions
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
clocksource/drivers/mxs_timer: Switch to SPDX identifier
clocksource/drivers/timer-imx-tpm: Switch to SPDX identifier
clocksource/drivers/timer-imx-gpt: Switch to SPDX identifier
clocksource/drivers/timer-imx-gpt: Remove outdated file path
clocksource/drivers/arc_timer: Add comments about locking while read GFRC
clocksource/drivers/mips-gic-timer: Add pr_fmt and reword pr_* messages
clocksource/drivers/sprd: Fix Kconfig dependency
clocksource: Move inline keyword to the beginning of function declarations
timer_list: Remove unused function pointer typedef
timers: Adjust a kernel-doc comment
tick: Prefer a lower rating device only if it's CPU local device
clocksource: Remove kthread
time: Change nanosleep to safe __kernel_* types
time: Change types to new y2038 safe __kernel_* types
time: Fix get_timespec64() for y2038 safe compat interfaces
time: Add new y2038 safe __kernel_timespec
posix-timers: Make compat syscalls depend on CONFIG_COMPAT_32BIT_TIME
time: Introduce CONFIG_COMPAT_32BIT_TIME
time: Introduce CONFIG_64BIT_TIME in architectures
compat: Enable compat_get/put_timespec64 always
...
Pull x86 RAS updates from Thomas Gleixner:
- Fix a stack out of bounds write in the MCE error injection code.
- Avoid IPIs during CPU hotplug to read the MCx_MISC block address from
a remote CPU. That's fragile and pointless because the block
addresses are the same on all CPUs. So they can be read once and
local.
- Add support for MCE broadcasting on newer VIA Centaur CPUs.
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/MCE/AMD: Read MCx_MISC block addresses on any CPU
x86/MCE: Fix stack out-of-bounds write in mce-inject.c: Flags_read()
x86/MCE: Enable MCE broadcasting on new Centaur CPUs
Pull irq updates from Thomas Gleixner:
- Consolidation of softirq pending:
The softirq mask and its accessors/mutators have many implementations
scattered around many architectures. Most do the same things
consisting in a field in a per-cpu struct (often irq_cpustat_t)
accessed through per-cpu ops. We can provide instead a generic
efficient version that most of them can use. In fact s390 is the only
exception because the field is stored in lowcore.
- Support for level!?! triggered MSI (ARM)
Over the past couple of years, we've seen some SoCs coming up with
ways of signalling level interrupts using a new flavor of MSIs, where
the MSI controller uses two distinct messages: one that raises a
virtual line, and one that lowers it. The target MSI controller is in
charge of maintaining the state of the line.
This allows for a much simplified HW signal routing (no need to have
hundreds of discrete lines to signal level interrupts if you already
have a memory bus), but results in a departure from the current idea
the kernel has of MSIs.
- Support for Meson-AXG GPIO irqchip
- Large stm32 irqchip rework (suspend/resume, hierarchical domains)
- More SPDX conversions
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
ARM: dts: stm32: Add exti support to stm32mp157 pinctrl
ARM: dts: stm32: Add exti support for stm32mp157c
pinctrl/stm32: Add irq_eoi for stm32gpio irqchip
irqchip/stm32: Add suspend/resume support for hierarchy domain
irqchip/stm32: Add stm32mp1 support with hierarchy domain
irqchip/stm32: Prepare common functions
irqchip/stm32: Add host and driver data structures
irqchip/stm32: Add suspend support
irqchip/stm32: Add falling pending register support
irqchip/stm32: Checkpatch fix
irqchip/stm32: Optimizes and cleans up stm32-exti irq_domain
irqchip/meson-gpio: Add support for Meson-AXG SoCs
dt-bindings: interrupt-controller: New binding for Meson-AXG SoC
dt-bindings: interrupt-controller: Fix the double quotes
softirq/s390: Move default mutators of overwritten softirq mask to s390
softirq/x86: Switch to generic local_softirq_pending() implementation
softirq/sparc: Switch to generic local_softirq_pending() implementation
softirq/powerpc: Switch to generic local_softirq_pending() implementation
softirq/parisc: Switch to generic local_softirq_pending() implementation
softirq/ia64: Switch to generic local_softirq_pending() implementation
...
Pull x86 dax updates from Ingo Molnar:
"This contains x86 memcpy_mcsafe() fault handling improvements the
nvdimm tree would like to make more use of"
* 'x86-dax-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm/memcpy_mcsafe: Define copy_to_iter_mcsafe()
x86/asm/memcpy_mcsafe: Add write-protection-fault handling
x86/asm/memcpy_mcsafe: Return bytes remaining
x86/asm/memcpy_mcsafe: Add labels for __memcpy_mcsafe() write fault handling
x86/asm/memcpy_mcsafe: Remove loop unrolling
Pull x86 debug updates from Ingo Molnar:
"This contains the x86 oops code printing reorganization and cleanups
from Borislav Betkov, with a particular focus in enhancing opcode
dumping all around"
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/dumpstack: Explain the reasoning for the prologue and buffer size
x86/dumpstack: Save first regs set for the executive summary
x86/dumpstack: Add a show_ip() function
x86/fault: Dump user opcode bytes on fatal faults
x86/dumpstack: Add loglevel argument to show_opcodes()
x86/dumpstack: Improve opcodes dumping in the code section
x86/dumpstack: Carve out code-dumping into a function
x86/dumpstack: Unexport oops_begin()
x86/dumpstack: Remove code_bytes
Pull x86 cleanups from Ingo Molnar:
"Misc cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apm: Fix spelling mistake: "caculate" -> "calculate"
x86/mtrr: Rename main.c to mtrr.c and remove duplicate prefixes
x86: Remove pr_fmt duplicate logging prefixes
x86/early-quirks: Rename duplicate define of dev_err
x86/bpf: Clean up non-standard comments, to make the code more readable
Pull x86 build updates from Ingo Molnar:
"A handful of build system (Makefile, linker script) cleanups by
Masahiro Yamada"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build/vdso: Put generated linker scripts to $(obj)/
x86/build/vdso: Remove unnecessary export in Makefile
x86/build/vdso: Remove unused $(vobjs-nox32) in Makefile
x86/build: Remove no-op macro VMLINUX_SYMBOL()
Pull x86 asm updates from Ingo Molnar:
- better support (non-atomic) 64-bit readq()/writeq() variants (Andy
Shevchenko)
- __clear_user() micro-optimization (Alexey Dobriyan)
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/io: Define readq()/writeq() to use 64-bit type
x86/asm/64: Micro-optimize __clear_user() - Use immediate constants
Pull x86 boot updates from Ingo Molnar:
- Centaur CPU updates (David Wang)
- AMD and other CPU topology enumeration improvements and fixes
(Borislav Petkov, Thomas Gleixner, Suravee Suthikulpanit)
- Continued 5-level paging work (Kirill A. Shutemov)
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Mark __pgtable_l5_enabled __initdata
x86/mm: Mark p4d_offset() __always_inline
x86/mm: Introduce the 'no5lvl' kernel parameter
x86/mm: Stop pretending pgtable_l5_enabled is a variable
x86/mm: Unify pgtable_l5_enabled usage in early boot code
x86/boot/compressed/64: Fix trampoline page table address calculation
x86/CPU: Move x86_cpuinfo::x86_max_cores assignment to detect_num_cpu_cores()
x86/Centaur: Report correct CPU/cache topology
x86/CPU: Move cpu_detect_cache_sizes() into init_intel_cacheinfo()
x86/CPU: Make intel_num_cpu_cores() generic
x86/CPU: Move cpu local function declarations to local header
x86/CPU/AMD: Derive CPU topology from CPUID function 0xB when available
x86/CPU: Modify detect_extended_topology() to return result
x86/CPU/AMD: Calculate last level cache ID from number of sharing threads
x86/CPU: Rename intel_cacheinfo.c to cacheinfo.c
perf/events/amd/uncore: Fix amd_uncore_llc ID to use pre-defined cpu_llc_id
x86/CPU/AMD: Have smp_num_siblings and cpu_llc_id always be present
x86/Centaur: Initialize supported CPU features properly
Pull scheduler updates from Ingo Molnar:
- power-aware scheduling improvements (Patrick Bellasi)
- NUMA balancing improvements (Mel Gorman)
- vCPU scheduling fixes (Rohit Jain)
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Update util_est before updating schedutil
sched/cpufreq: Modify aggregate utilization to always include blocked FAIR utilization
sched/deadline/Documentation: Add overrun signal and GRUB-PA documentation
sched/core: Distinguish between idle_cpu() calls based on desired effect, introduce available_idle_cpu()
sched/wait: Include <linux/wait.h> in <linux/swait.h>
sched/numa: Stagger NUMA balancing scan periods for new threads
sched/core: Don't schedule threads on pre-empted vCPUs
sched/fair: Avoid calling sync_entity_load_avg() unnecessarily
sched/fair: Rearrange select_task_rq_fair() to optimize it
Pull perf updates from Ingo Molnar:
"Kernel side changes:
- x86 Intel uncore driver cleanups and enhancements (Kan Liang)
- group scheduling and other fixes (Song Liu
- store frame pointer in the sample traces for better profiling
(Alexey Budankov)
- compat fixes/enhancements (Eugene Syromiatnikov)
Tooling side changes, which you can build and install in a single step
via:
make -C tools/perf clean install
perf annotate:
- Support 'perf annotate --group' for non-explicit recorded event
"groups", showing multiple columns, one for each event, just like
when dealing with explicit event groups (those enclosed with {})
(Jin Yao)
- Record min/max LBR cycles (>= Skylake) and add 'perf annotate' TUI
hotkey to show it (c) (Jin Yao)
perf bpf:
- Add infrastructure to help in writing eBPF C programs to be used
with '-e name.c' type events in tools such as 'record' and 'trace',
with headers for common constructs and an examples directory that
will get populated as we add more such helpers and the 'perf bpf'
(Arnaldo Carvalho de Melo)
perf stat:
- Display time in precision based on std deviation (Jiri Olsa)
- Add --table option to display time of each run (Jiri Olsa)
- Display length strings of each run for --table option (Jiri Olsa)
perf buildid-cache:
- Add --list and --purge-all options (Ravi Bangoria)
perf test:
- Let 'perf test list' display subtests (Hendrik Brueckner)
perf pti:
- Create extra kernel maps to help in decoding samples in x86 PTI
entry trampolines (Adrian Hunter)
- Copy x86 PTI entry trampoline sections in the kcore copy used for
annotation and intel_pt CPU traces decoding (Adrian Hunter)
... and a lot of other fixes, enhancements and cleanups I did not
list, see the shortlog and git log for details"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (111 commits)
perf/x86/intel/uncore: Clean up client IMC uncore
perf/x86/intel/uncore: Expose uncore_pmu_event*() functions
perf/x86/intel/uncore: Support IIO free-running counters on SKX
perf/x86/intel/uncore: Add infrastructure for free running counters
perf/x86/intel/uncore: Add new data structures for free running counters
perf/x86/intel/uncore: Correct fixed counter index check in generic code
perf/x86/intel/uncore: Correct fixed counter index check for NHM
perf/x86/intel/uncore: Introduce customized event_read() for client IMC uncore
perf/x86: Store user space frame-pointer value on a sample
perf/core: Wire up compat PERF_EVENT_IOC_QUERY_BPF, PERF_EVENT_IOC_MODIFY_ATTRIBUTES
perf/core: Fix bad use of igrab()
perf/core: Fix group scheduling with mixed hw and sw events
perf kcore_copy: Amend the offset of sections that remap kernel text
perf kcore_copy: Copy x86 PTI entry trampoline sections
perf kcore_copy: Get rid of kernel_map
perf kcore_copy: Iterate phdrs
perf kcore_copy: Layout sections
perf kcore_copy: Calculate offset from phnum
perf kcore_copy: Keep a count of phdrs
perf kcore_copy: Keep phdr data in a list
...
Pull perf tooling fixes from Ingo Molnar:
"Leftover perf tooling fixes from the v4.17 cycle: they sync up updated
ABI headers with their tooling versions"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf tools intel-pt-decoder: Update insn.h from the kernel sources
tools headers: Sync x86 cpufeatures.h with the kernel sources
tools headers: Synchronize prctl.h ABI header
perf trace beauty prctl: Default header_dir to cwd to work without parms
Pull locking updates from Ingo Molnar:
- Lots of tidying up changes all across the map for Linux's formal
memory/locking-model tooling, by Alan Stern, Akira Yokosawa, Andrea
Parri, Paul E. McKenney and SeongJae Park.
Notable changes beyond an overall update in the tooling itself is the
tidying up of spin_is_locked() semantics, which spills over into the
kernel proper as well.
- qspinlock improvements: the locking algorithm now guarantees forward
progress whereas the previous implementation in mainline could starve
threads indefinitely in cmpxchg() loops. Also other related cleanups
to the qspinlock code (Will Deacon)
- misc smaller improvements, cleanups and fixes all across the locking
subsystem
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
locking/rwsem: Simplify the is-owner-spinnable checks
tools/memory-model: Add reference for 'Simplifying ARM concurrency'
tools/memory-model: Update ASPLOS information
MAINTAINERS, tools/memory-model: Update e-mail address for Andrea Parri
tools/memory-model: Fix coding style in 'lock.cat'
tools/memory-model: Remove out-of-date comments and code from lock.cat
tools/memory-model: Improve mixed-access checking in lock.cat
tools/memory-model: Improve comments in lock.cat
tools/memory-model: Remove duplicated code from lock.cat
tools/memory-model: Flag "cumulativity" and "propagation" tests
tools/memory-model: Add model support for spin_is_locked()
tools/memory-model: Add scripts to test memory model
tools/memory-model: Fix coding style in 'linux-kernel.def'
tools/memory-model: Model 'smp_store_mb()'
tools/memory-order: Update the cheat-sheet to show that smp_mb__after_atomic() orders later RMW operations
tools/memory-order: Improve key for SELF and SV
tools/memory-model: Fix cheat sheet typo
tools/memory-model: Update required version of herdtools7
tools/memory-model: Redefine rb in terms of rcu-fence
tools/memory-model: Rename link and rcu-path to rcu-link and rb
...
Pull EFI updates from Ingo Molnar:
- decode x86 CPER data (Yazen Ghannam)
- ignore unrealistically large option ROMs (Hans de Goede)
- initialize UEFI secure boot state during Xen dom0 boot (Daniel Kiper)
- additional minor tweaks and fixes.
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/capsule-loader: Don't output reset log when reset flags are not set
efi/x86: Ignore unrealistically large option ROMs
efi/x86: Fold __setup_efi_pci32() and __setup_efi_pci64() into one function
efi: Align efi_pci_io_protocol typedefs to type naming convention
efi/libstub/tpm: Make function efi_retrieve_tpm2_eventlog_1_2() static
efi: Decode IA32/X64 Context Info structure
efi: Decode IA32/X64 MS Check structure
efi: Decode additional IA32/X64 Bus Check fields
efi: Decode IA32/X64 Cache, TLB, and Bus Check structures
efi: Decode UEFI-defined IA32/X64 Error Structure GUIDs
efi: Decode IA32/X64 Processor Error Info Structure
efi: Decode IA32/X64 Processor Error Section
efi: Fix IA32/X64 Processor Error Record definition
efi/cper: Remove the INDENT_SP silliness
x86/xen/efi: Initialize UEFI secure boot state during dom0 boot
Pull RCU updates from Ingo Molnar:
- updates to the handling of expedited grace periods
- updates to reduce lock contention in the rcu_node combining tree
[ These are in preparation for the consolidation of RCU-bh,
RCU-preempt, and RCU-sched into a single flavor, which was
requested by Linus in response to a security flaw whose root cause
included confusion between the multiple flavors of RCU ]
- torture-test updates that save their users some time and effort
- miscellaneous fixes
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
rcu/x86: Provide early rcu_cpu_starting() callback
torture: Make kvm-find-errors.sh find build warnings
rcutorture: Abbreviate kvm.sh summary lines
rcutorture: Print end-of-test state in kvm.sh summary
rcutorture: Print end-of-test state
torture: Fold parse-torture.sh into parse-console.sh
torture: Add a script to edit output from failed runs
rcu: Update list of rcu_future_grace_period() trace events
rcu: Drop early GP request check from rcu_gp_kthread()
rcu: Simplify and inline cpu_needs_another_gp()
rcu: The rcu_gp_cleanup() function does not need cpu_needs_another_gp()
rcu: Make rcu_start_this_gp() check for out-of-range requests
rcu: Add funnel locking to rcu_start_this_gp()
rcu: Make rcu_start_future_gp() caller select grace period
rcu: Inline rcu_start_gp_advanced() into rcu_start_future_gp()
rcu: Clear request other than RCU_GP_FLAG_INIT at GP end
rcu: Cleanup, don't put ->completed into an int
rcu: Switch __rcu_process_callbacks() to rcu_accelerate_cbs()
rcu: Avoid __call_rcu_core() root rcu_node ->lock acquisition
rcu: Make rcu_migrate_callbacks wake GP kthread when needed
...
- A few time-related fixes:
- off-by-one calendar month on some classes of machines,
- Y2038 preparation,
- Build fix for ndelay() being called with a 64-bit type,
- Revive 64-bit get_user(), which is used by some Android code,
- Defconfig updates,
- Fix for a long-standing fatal bug in iounmap() on '020/030, which
was actually fixed in 2.4.23, but never in 2.5.x and later,
- Default DMA mask to avoid warning splats,
- Minor fixes and cleanups.
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Merge tag 'm68k-for-v4.18-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
- a few time-related fixes:
- off-by-one calendar month on some classes of machines
- Y2038 preparation
- build fix for ndelay() being called with a 64-bit type
- revive 64-bit get_user(), which is used by some Android code
- defconfig updates
- fix for a long-standing fatal bug in iounmap() on '020/030, which was
actually fixed in 2.4.23, but never in 2.5.x and later
- default DMA mask to avoid warning splats
- minor fixes and cleanups
* tag 'm68k-for-v4.18-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Set default dma mask for platform devices
m68k/mm: Adjust VM area to be unmapped by gap size for __iounmap()
m68k/defconfig: Update defconfigs for v4.17-rc3
m68k/uaccess: Revive 64-bit get_user()
m68k: Implement ndelay() as an inline function to force type checking/casting
zorro: Add a blank line after declarations
m68k: Use read_persistent_clock64() consistently
m68k: Fix off-by-one calendar month
m68k: Fix style, spelling, and grammar in siginfo_build_tests()
m68k/mac: Fix SWIM memory resource end address
Pull siginfo updates from Eric Biederman:
"This set of changes close the known issues with setting si_code to an
invalid value, and with not fully initializing struct siginfo. There
remains work to do on nds32, arc, unicore32, powerpc, arm, arm64, ia64
and x86 to get the code that generates siginfo into a simpler and more
maintainable state. Most of that work involves refactoring the signal
handling code and thus careful code review.
Also not included is the work to shrink the in kernel version of
struct siginfo. That depends on getting the number of places that
directly manipulate struct siginfo under control, as it requires the
introduction of struct kernel_siginfo for the in kernel things.
Overall this set of changes looks like it is making good progress, and
with a little luck I will be wrapping up the siginfo work next
development cycle"
* 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (46 commits)
signal/sh: Stop gcc warning about an impossible case in do_divide_error
signal/mips: Report FPE_FLTUNK for undiagnosed floating point exceptions
signal/um: More carefully relay signals in relay_signal.
signal: Extend siginfo_layout with SIL_FAULT_{MCEERR|BNDERR|PKUERR}
signal: Remove unncessary #ifdef SEGV_PKUERR in 32bit compat code
signal/signalfd: Add support for SIGSYS
signal/signalfd: Remove __put_user from signalfd_copyinfo
signal/xtensa: Use force_sig_fault where appropriate
signal/xtensa: Consistenly use SIGBUS in do_unaligned_user
signal/um: Use force_sig_fault where appropriate
signal/sparc: Use force_sig_fault where appropriate
signal/sparc: Use send_sig_fault where appropriate
signal/sh: Use force_sig_fault where appropriate
signal/s390: Use force_sig_fault where appropriate
signal/riscv: Replace do_trap_siginfo with force_sig_fault
signal/riscv: Use force_sig_fault where appropriate
signal/parisc: Use force_sig_fault where appropriate
signal/parisc: Use force_sig_mceerr where appropriate
signal/openrisc: Use force_sig_fault where appropriate
signal/nios2: Use force_sig_fault where appropriate
...
Pull userns updates from Eric Biederman:
"This is the last couple of vfs bits to enable root in a user namespace
to mount and manipulate a filesystem with backing store (AKA not a
virtual filesystem like proc, but a filesystem where the unprivileged
user controls the content). The target filesystem for this work is
fuse, and Miklos should be sending you the pull request for the fuse
bits this merge window.
The two key patches are "evm: Don't update hmacs in user ns mounts"
and "vfs: Don't allow changing the link count of an inode with an
invalid uid or gid". Those close small gaps in the vfs that would be a
problem if an unprivileged fuse filesystem is mounted.
The rest of the changes are things that are now safe to allow a root
user in a user namespace to do with a filesystem they have mounted.
The most interesting development is that remount is now safe"
* 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
fs: Allow CAP_SYS_ADMIN in s_user_ns to freeze and thaw filesystems
capabilities: Allow privileged user in s_user_ns to set security.* xattrs
fs: Allow superblock owner to access do_remount_sb()
fs: Allow superblock owner to replace invalid owners of inodes
vfs: Allow userns root to call mknod on owned filesystems.
vfs: Don't allow changing the link count of an inode with an invalid uid or gid
evm: Don't update hmacs in user ns mounts
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Merge tag '4.18-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
- smb3 fixes for stable
- addition of ftrace hooks for cifs.ko
- improvements in compounding and smbdirect (rdma)
* tag '4.18-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: (38 commits)
CIFS: Add support for direct pages in wdata
CIFS: Use offset when reading pages
CIFS: Add support for direct pages in rdata
cifs: update multiplex loop to handle compounded responses
cifs: remove header_preamble_size where it is always 0
cifs: remove struct smb2_hdr
CIFS: 511c54a2f6 adds a check for session expiry, status STATUS_NETWORK_SESSION_EXPIRED, however the server can also respond with STATUS_USER_SESSION_DELETED in cases where the session has been idle for some time and the server reaps the session to recover resources.
cifs: change smb2_get_data_area_len to take a smb2_sync_hdr as argument
cifs: update smb2_calc_size to use smb2_sync_hdr instead of smb2_hdr
cifs: remove struct smb2_oplock_break_rsp
cifs: remove rfc1002 header from all SMB2 response structures
smb3: on reconnect set PreviousSessionId field
smb3: Add posix create context for smb3.11 posix mounts
smb3: add tracepoints for smb2/smb3 open
cifs: add debug output to show nocase mount option
smb3: add define for id for posix create context and corresponding struct
cifs: update smb2_check_message to handle PDUs without a 4 byte length header
smb3: allow "posix" mount option to enable new SMB311 protocol extensions
smb3: add support for posix negotiate context
cifs: allow disabling less secure legacy dialects
...
1. Andreas Gruenbacher contributed a patch to remove sd_jheightsize to
greatly simplify some code.
2. Andreas fixed some comments.
3. Andreas fixed a glock recursion bug when allocation errors occur.
4. Andreas improved the hole_size function so it returns the entire hole
rather than figuring it out piecemeal.
5. Andreas cleaned up gfs2_stuffed_write_end to remove a lot of redundancy.
6. Andreas clarified code with regard to the way ordered writes are processed.
7. Andreas did a bunch of improvements and cleanups of the iomap code to
pave the way for iomap writes, which is a future patch set.
8. I fixed a bug where block reservations can run off the end of a bitmap.
9. I added Andreas to the MAINTAINERS file.
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Merge tag 'gfs2-4.18.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Bob Peterson:
"We've got nine more patches for this merge window.
- remove sd_jheightsize to greatly simplify some code (Andreas
Gruenbacher)
- fix some comments (Andreas)
- fix a glock recursion bug when allocation errors occur (Andreas)
- improve the hole_size function so it returns the entire hole rather
than figuring it out piecemeal (Andreas)
- clean up gfs2_stuffed_write_end to remove a lot of redundancy
(Andreas)
- clarify code with regard to the way ordered writes are processed
(Andreas)
- a bunch of improvements and cleanups of the iomap code to pave the
way for iomap writes, which is a future patch set (Andreas)
- fix a bug where block reservations can run off the end of a bitmap
(Bob Peterson)
- add Andreas to the MAINTAINERS file (Bob Peterson)"
* tag 'gfs2-4.18.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
MAINTAINERS: Add Andreas Gruenbacher as a maintainer for gfs2
gfs2: Iomap cleanups and improvements
gfs2: Remove ordered write mode handling from gfs2_trans_add_data
gfs2: gfs2_stuffed_write_end cleanup
gfs2: hole_size improvement
GFS2: gfs2_free_extlen can return an extent that is too long
GFS2: Fix allocation error bug with recursive rgrp glocking
gfs2: Update find_metapath comment
gfs2: Remove sdp->sd_jheightsize
These three commits fix and clean up the flags dlm was
using on its SCTP sockets. The result improves the
performance and fixes some bad connection delays.
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Merge tag 'dlm-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"These three commits fix and clean up the flags dlm was using on its
SCTP sockets. This improves performance and fixes some bad connection
delays"
* tag 'dlm-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: remove O_NONBLOCK flag in sctp_connect_to_sock
dlm: make sctp_connect_to_sock() return in specified time
dlm: fix a clerical error when set SCTP_NODELAY
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Merge tag 'for-4.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"User visible features:
- added support for the ioctl FS_IOC_FSGETXATTR, per-inode flags,
successor of GET/SETFLAGS; now supports only existing flags:
append, immutable, noatime, nodump, sync
- 3 new unprivileged ioctls to allow users to enumerate subvolumes
- dedupe syscall implementation does not restrict the range to 16MiB,
though it still splits the whole range to 16MiB chunks
- on user demand, rmdir() is able to delete an empty subvolume,
export the capability in sysfs
- fix inode number types in tracepoints, other cleanups
- send: improved speed when dealing with a large removed directory,
measurements show decrease from 2000 minutes to 2 minutes on a
directory with 2 million entries
- pre-commit check of superblock to detect a mysterious in-memory
corruption
- log message updates
Other changes:
- orphan inode cleanup improved, does no keep long-standing
reservations that could lead up to early ENOSPC in some cases
- slight improvement of handling snapshotted NOCOW files by avoiding
some unnecessary tree searches
- avoid OOM when dealing with many unmergeable small extents at flush
time
- speedup conversion of free space tree representations from/to
bitmap/tree
- code refactoring, deletion, cleanups:
+ delayed refs
+ delayed iput
+ redundant argument removals
+ memory barrier cleanups
+ remove a redundant mutex supposedly excluding several ioctls to
run in parallel
- new tracepoints for blockgroup manipulation
- more sanity checks of compressed headers"
* tag 'for-4.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (183 commits)
btrfs: Add unprivileged version of ino_lookup ioctl
btrfs: Add unprivileged ioctl which returns subvolume's ROOT_REF
btrfs: Add unprivileged ioctl which returns subvolume information
Btrfs: clean up error handling in btrfs_truncate()
btrfs: Factor out write portion of btrfs_get_blocks_direct
btrfs: Factor out read portion of btrfs_get_blocks_direct
btrfs: return ENOMEM if path allocation fails in btrfs_cross_ref_exist
btrfs: raid56: Remove VLA usage
btrfs: return error value if create_io_em failed in cow_file_range
btrfs: drop useless member qgroup_reserved of btrfs_pending_snapshot
btrfs: drop unused parameter qgroup_reserved
btrfs: balance dirty metadata pages in btrfs_finish_ordered_io
btrfs: lift some btrfs_cross_ref_exist checks in nocow path
btrfs: Remove fs_info argument from btrfs_uuid_tree_rem
btrfs: Remove fs_info argument from btrfs_uuid_tree_add
Btrfs: remove unused check of skip_locking
Btrfs: remove always true check in unlock_up
Btrfs: grab write lock directly if write_lock_level is the max level
Btrfs: move get root out of btrfs_search_slot to a helper
Btrfs: use more straightforward extent_buffer_uptodate check
...
Pull aio updates from Al Viro:
"Majority of AIO stuff this cycle. aio-fsync and aio-poll, mostly.
The only thing I'm holding back for a day or so is Adam's aio ioprio -
his last-minute fixup is trivial (missing stub in !CONFIG_BLOCK case),
but let it sit in -next for decency sake..."
* 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)
aio: sanitize the limit checking in io_submit(2)
aio: fold do_io_submit() into callers
aio: shift copyin of iocb into io_submit_one()
aio_read_events_ring(): make a bit more readable
aio: all callers of aio_{read,write,fsync,poll} treat 0 and -EIOCBQUEUED the same way
aio: take list removal to (some) callers of aio_complete()
aio: add missing break for the IOCB_CMD_FDSYNC case
random: convert to ->poll_mask
timerfd: convert to ->poll_mask
eventfd: switch to ->poll_mask
pipe: convert to ->poll_mask
crypto: af_alg: convert to ->poll_mask
net/rxrpc: convert to ->poll_mask
net/iucv: convert to ->poll_mask
net/phonet: convert to ->poll_mask
net/nfc: convert to ->poll_mask
net/caif: convert to ->poll_mask
net/bluetooth: convert to ->poll_mask
net/sctp: convert to ->poll_mask
net/tipc: convert to ->poll_mask
...
Pull dcache lookup cleanups from Al Viro:
"Cleaning ->lookup() instances up - mostly d_splice_alias() conversions"
* 'work.lookup' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (29 commits)
switch the rest of procfs lookups to d_splice_alias()
procfs: switch instantiate_t to d_splice_alias()
don't bother with tid_fd_revalidate() in lookups
proc_lookupfd_common(): don't bother with instantiate unless the file is open
procfs: get rid of ancient BS in pid_revalidate() uses
cifs_lookup(): switch to d_splice_alias()
cifs_lookup(): cifs_get_inode_...() never returns 0 with *inode left NULL
9p: unify paths in v9fs_vfs_lookup()
ncp_lookup(): use d_splice_alias()
hfsplus: switch to d_splice_alias()
hfs: don't allow mounting over .../rsrc
hfs: use d_splice_alias()
omfs_lookup(): report IO errors, use d_splice_alias()
orangefs_lookup: simplify
openpromfs: switch to d_splice_alias()
xfs_vn_lookup: simplify a bit
adfs_lookup: do not fail with ENOENT on negatives, use d_splice_alias()
adfs_lookup_byname: .. *is* taken care of in fs/namei.c
romfs_lookup: switch to d_splice_alias()
qnx6_lookup: switch to d_splice_alias()
...
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Merge tag 'locks-v4.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull fasync fix from Jeff Layton:
"Just a single fix for a deadlock in the fasync handling code that
Kirill observed while testing.
The fix is to change the fa_lock to be rwlock_t, and use a read lock
in kill_fasync_rcu"
* tag 'locks-v4.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
fasync: Fix deadlock between task-context and interrupt-context kill_fasync()
including:
- Extensive RST conversions and organizational work in the
memory-management docs thanks to Mike Rapoport.
- An update of Documentation/features from Andrea Parri and a script to
keep it updated.
- Various LICENSES updates from Thomas, along with a script to check SPDX
tags.
- Work to fix dangling references to documentation files; this involved a
fair number of one-liner comment changes outside of Documentation/
...and the usual list of documentation improvements, typo fixes, etc.
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Merge tag 'docs-4.18' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"There's been a fair amount of work in the docs tree this time around,
including:
- Extensive RST conversions and organizational work in the
memory-management docs thanks to Mike Rapoport.
- An update of Documentation/features from Andrea Parri and a script
to keep it updated.
- Various LICENSES updates from Thomas, along with a script to check
SPDX tags.
- Work to fix dangling references to documentation files; this
involved a fair number of one-liner comment changes outside of
Documentation/
... and the usual list of documentation improvements, typo fixes, etc"
* tag 'docs-4.18' of git://git.lwn.net/linux: (103 commits)
Documentation: document hung_task_panic kernel parameter
docs/admin-guide/mm: add high level concepts overview
docs/vm: move ksm and transhuge from "user" to "internals" section.
docs: Use the kerneldoc comments for memalloc_no*()
doc: document scope NOFS, NOIO APIs
docs: update kernel versions and dates in tables
docs/vm: transhuge: split userspace bits to admin-guide/mm/transhuge
docs/vm: transhuge: minor updates
docs/vm: transhuge: change sections order
Documentation: arm: clean up Marvell Berlin family info
Documentation: gpio: driver: Fix a typo and some odd grammar
docs: ranoops.rst: fix location of ramoops.txt
scripts/documentation-file-ref-check: rewrite it in perl with auto-fix mode
docs: uio-howto.rst: use a code block to solve a warning
mm, THP, doc: Add document for thp_swpout/thp_swpout_fallback
w1: w1_io.c: fix a kernel-doc warning
Documentation/process/posting: wrap text at 80 cols
docs: admin-guide: add cgroup-v2 documentation
Revert "Documentation/features/vm: Remove arch support status file for 'pte_special'"
Documentation: refcount-vs-atomic: Update reference to LKMM doc.
...
We already earlier discouraged people from using this interface in
commit 88796e7e5c ("sched/swait: Document it clearly that the swait
facilities are special and shouldn't be used"), but I just got a pull
request with a new broken user.
So make the comment *really* clear.
The swait interfaces are bad, and should not be used unless you have
some *very* strong reasons that include tons of hard performance numbers
on just why you want to use them, and you show that you actually
understand that they aren't at all like the normal wait/wakeup
interfaces.
So far, every single user has been suspect. The main user is KVM, which
is completely pointless (there is only ever one waiter, which avoids the
interface subtleties, but also means that having a queue instead of a
pointer is counter-productive and certainly not an "optimization").
So make the comments much stronger.
Not that anybody likely reads them anyway, but there's always some
slight hope that it will cause somebody to think twice.
I'd like to remove this interface entirely, but there is the theoretical
possibility that it's actually the right thing to use in some situation,
most likely some deep RT use.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is another quiet release for regmap, there's one minor feature
improvement for the recently added slimbus support and a few minor fixes
and cleanups.
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Merge tag 'regmap-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"This is another quiet release for regmap, there's one minor feature
improvement for the recently added slimbus support and a few minor
fixes and cleanups"
* tag 'regmap-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: slimbus: allow register offsets up to 16 bits
regmap: add missing prototype for devm_init_slimbus
regmap: Skip clk_put for attached clocks when freeing context
regmap: include <linux/ktime.h> from include/linux/regmap.h
Quite a busy release for SPI, mainly as a result of Boris Brezillon's
work on improving the integration with MTD for accelerated SPI flash
controllers. He's added a new spi_mem interface which works a lot
better with general hardware and converted the users over to it, as a
result of this work we've got some MTD changes in here as well.
Other highlights include:
- Lots of spring cleaning for the s3c64xx driver.
- Removal of the bcm53xx, the hardware is also supported by the mspi
driver but SoC naming had caused people to miss the duplication.
- Conversion of the pxa2xx driver to use the standard message
processing loop rather than open coding.
- A bunch of improvements to the runtime PM of the OMAP McSPI driver.
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Merge tag 'spi-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Quite a busy release for SPI, mainly as a result of Boris Brezillon's
work on improving the integration with MTD for accelerated SPI flash
controllers. He's added a new spi_mem interface which works a lot
better with general hardware and converted the users over to it, as a
result of this work we've got some MTD changes in here as well.
Other highlights include:
- Lots of spring cleaning for the s3c64xx driver.
- Removal of the bcm53xx, the hardware is also supported by the mspi
driver but SoC naming had caused people to miss the duplication.
- Conversion of the pxa2xx driver to use the standard message
processing loop rather than open coding.
- A bunch of improvements to the runtime PM of the OMAP McSPI driver"
* tag 'spi-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (47 commits)
spi: Fix typo on SPI_MEM help text
spi: sh-msiof: Fix setting SIRMDR1.SYNCAC to match SITMDR1.SYNCAC
mtd: devices: m25p80: Use spi_mem_set_drvdata() instead of spi_set_drvdata()
spi: omap2-mcspi: Remove unnecessary pm_runtime_force_suspend()
spi: Add missing pm_runtime_put_noidle() after failed get
spi: ti-qspi: Make sure res_mmap != NULL before dereferencing it
spi: spi-s3c64xx: Fix system resume support
spi: bcm-qspi: Fix build failure caused by spi_flash_read() API removal
spi: Get rid of the spi_flash_read() API
mtd: spi-nor: Use the spi_mem_xx() API
spi: ti-qspi: Implement the spi_mem interface
spi: bcm-qspi: Implement the spi_mem interface
spi: Make support for regular transfers optional when ->mem_ops != NULL
spi: Extend the core to ease integration of SPI memory controllers
spi: remove forgotten CONFIG_SPI_BCM53XX
spi: remove the older/duplicated bcm53xx driver
spi: pxa2xx: check clk_prepare_enable() return value
spi: lpspi: Switch to SPDX identifier
spi: mxs: Switch to SPDX identifier
spi: imx: Switch to SPDX identifier
...
Further changes from Dmitry related to the removal of platform data from
atmel_mxt_ts and chromeos_laptop. This time, we have some changes that
teach chromeos_laptop how to supply acpi properties for some input devices
so that the peripheral driver doesn't have to do dmi matching on some
Chromebook platforms.
Also adds the Chromebook Tablet switch driver, which is useful for x86
convertible Chromebooks.
Other misc. cleanup.
Thanks,
Benson
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Merge tag 'chrome-platform-for-linus-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung:
- further changes from Dmitry related to the removal of platform data
from atmel_mxt_ts and chromeos_laptop.
This time, we have some changes that teach chromeos_laptop how to
supply acpi properties for some input devices so that the peripheral
driver doesn't have to do dmi matching on some Chromebook platforms.
- new Chromebook Tablet switch driver, which is useful for x86
convertible Chromebooks.
- other misc cleanup
* tag 'chrome-platform-for-linus-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
platform/chrome: Use to_cros_ec_dev more broadly
platform/chrome: chromeos_laptop: fix touchpad button mapping on Celes
platform: chrome: Add input dependency for tablet switch driver
platform/chrome: chromeos_laptop - supply properties for ACPI devices
platform/chrome: chromeos_tbmc - add SPDX identifier
platform: chrome: Add Tablet Switch ACPI driver
platform/chrome: cros_ec_lpc: do not try DMI match when ACPI device found
- asus_atk0110 driver modified to use new API
- k10temp supports new CPUs and reports both Tctl and Tdie
- minor fixes in gpio-fan, ltc2990, fschmd, and mc13783 drivers
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Merge tag 'hwmon-for-linus-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- asus_atk0110 driver modified to use new API
- k10temp supports new CPUs and reports both Tctl and Tdie
- minor fixes in gpio-fan, ltc2990, fschmd, and mc13783 drivers
* tag 'hwmon-for-linus-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (asus_atk0110) Make use of device managed memory
hwmon: (asus_atk0110) Replace deprecated device register call
hwmon: (k10temp) Make function get_raw_temp static
hwmon: (gpio-fan) Fix "#cooling-cells" property name in bindings
MAINTAINERS: hwmon: Add Documentation/devicetree/bindings/hwmon
hwmon: (ltc2990) support all measurement modes
hwmon: (ltc2990) add devicetree binding
hwmon: (ltc2990) Fix incorrect conversion of negative temperatures
hwmon: (core) check parent dev != NULL when chip != NULL
hwmon: (fschmd) fix typo 'can by' to 'can be'
hwmon: (k10temp) Display both Tctl and Tdie
hwmon: (k10temp) Add support for Stoney Ridge and Bristol Ridge CPUs
hwmon: MC13783: Add uid and die temperature sensor inputs
If a hardware queue is stopped, it should not be run again before
explicitly started. Ignore stopped queues in blk_mq_run_work_fn(),
fixing a regression recently introduced when the START_ON_RUN bit
was removed.
Fixes: 15fe8a90bb ("blk-mq: remove blk_mq_delay_queue()")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jianchao Wang <jianchao.w.wang@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- replaceme the force_dma flag with a dma_configure bus method.
(Nipun Gupta, although one patch is іncorrectly attributed to me
due to a git rebase bug)
- use GFP_DMA32 more agressively in dma-direct. (Takashi Iwai)
- remove PCI_DMA_BUS_IS_PHYS and rely on the dma-mapping API to do the
right thing for bounce buffering.
- move dma-debug initialization to common code, and apply a few cleanups
to the dma-debug code.
- cleanup the Kconfig mess around swiotlb selection
- swiotlb comment fixup (Yisheng Xie)
- a trivial swiotlb fix. (Dan Carpenter)
- support swiotlb on RISC-V. (based on a patch from Palmer Dabbelt)
- add a new generic dma-noncoherent dma_map_ops implementation and use
it for arc, c6x and nds32.
- improve scatterlist validity checking in dma-debug. (Robin Murphy)
- add a struct device quirk to limit the dma-mask to 32-bit due to
bridge/system issues, and switch x86 to use it instead of a local
hack for VIA bridges.
- handle devices without a dma_mask more gracefully in the dma-direct
code.
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Merge tag 'dma-mapping-4.18' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- replace the force_dma flag with a dma_configure bus method. (Nipun
Gupta, although one patch is іncorrectly attributed to me due to a
git rebase bug)
- use GFP_DMA32 more agressively in dma-direct. (Takashi Iwai)
- remove PCI_DMA_BUS_IS_PHYS and rely on the dma-mapping API to do the
right thing for bounce buffering.
- move dma-debug initialization to common code, and apply a few
cleanups to the dma-debug code.
- cleanup the Kconfig mess around swiotlb selection
- swiotlb comment fixup (Yisheng Xie)
- a trivial swiotlb fix. (Dan Carpenter)
- support swiotlb on RISC-V. (based on a patch from Palmer Dabbelt)
- add a new generic dma-noncoherent dma_map_ops implementation and use
it for arc, c6x and nds32.
- improve scatterlist validity checking in dma-debug. (Robin Murphy)
- add a struct device quirk to limit the dma-mask to 32-bit due to
bridge/system issues, and switch x86 to use it instead of a local
hack for VIA bridges.
- handle devices without a dma_mask more gracefully in the dma-direct
code.
* tag 'dma-mapping-4.18' of git://git.infradead.org/users/hch/dma-mapping: (48 commits)
dma-direct: don't crash on device without dma_mask
nds32: use generic dma_noncoherent_ops
nds32: implement the unmap_sg DMA operation
nds32: consolidate DMA cache maintainance routines
x86/pci-dma: switch the VIA 32-bit DMA quirk to use the struct device flag
x86/pci-dma: remove the explicit nodac and allowdac option
x86/pci-dma: remove the experimental forcesac boot option
Documentation/x86: remove a stray reference to pci-nommu.c
core, dma-direct: add a flag 32-bit dma limits
dma-mapping: remove unused gfp_t parameter to arch_dma_alloc_attrs
dma-debug: check scatterlist segments
c6x: use generic dma_noncoherent_ops
arc: use generic dma_noncoherent_ops
arc: fix arc_dma_{map,unmap}_page
arc: fix arc_dma_sync_sg_for_{cpu,device}
arc: simplify arc_dma_sync_single_for_{cpu,device}
dma-mapping: provide a generic dma-noncoherent implementation
dma-mapping: simplify Kconfig dependencies
riscv: add swiotlb support
riscv: only enable ZONE_DMA32 for 64-bit
...
Pull misc vfs updates from Al Viro:
"Misc bits and pieces not fitting into anything more specific"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: delete unnecessary assignment in vfs_listxattr
Documentation: filesystems: update filesystem locking documentation
vfs: namei: use path_equal() in follow_dotdot()
fs.h: fix outdated comment about file flags
__inode_security_revalidate() never gets NULL opt_dentry
make xattr_getsecurity() static
vfat: simplify checks in vfat_lookup()
get rid of dead code in d_find_alias()
it's SB_BORN, not MS_BORN...
msdos_rmdir(): kill BS comment
remove rpc_rmdir()
fs: avoid fdput() after failed fdget() in vfs_dedupe_file_range()
Pull rmdir update from Al Viro:
"More shrink_dcache_parent()-related stuff - killing the main source of
potentially contended calls of that on large subtrees"
* 'work.rmdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
rmdir(),rename(): do shrink_dcache_parent() only on success
Pull dcache updates from Al Viro:
"This is the first part of dealing with livelocks etc around
shrink_dcache_parent()."
* 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
restore cond_resched() in shrink_dcache_parent()
dput(): turn into explicit while() loop
dcache: move cond_resched() into the end of __dentry_kill()
d_walk(): kill 'finish' callback
d_invalidate(): unhash immediately
Linus Torvalds