In the cgroup v1, we have a numa_stat interface. This is useful for
providing visibility into the numa locality information within an memcg
since the pages are allowed to be allocated from any physical node. One
of the use cases is evaluating application performance by combining this
information with the application's CPU allocation. But the cgroup v2 does
not. So this patch adds the missing information.
Suggested-by: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Link: https://lkml.kernel.org/r/20200916100030.71698-2-songmuchun@bytedance.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Disable parsing of the HMAT for debug, to workaround broken platform
instances, or cases where it is otherwise not wanted.
[rdunlap@infradead.org: fix build when CONFIG_ACPI is not set]
Link: https://lkml.kernel.org/r/70e5ee34-9809-a997-7b49-499e4be61307@infradead.org
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Brice Goglin <Brice.Goglin@inria.fr>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Jia He <justin.he@arm.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: Will Deacon <will@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Hulk Robot <hulkci@huawei.com>
Cc: Jason Yan <yanaijie@huawei.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
Link: https://lkml.kernel.org/r/159643095540.4062302.732962081968036212.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kmemleak-test.c is just a kmemleak test module, which also can not be used
as a built-in kernel module. Thus, i think it may should not be in mm
dir, and move the kmemleak-test.c to samples/kmemleak/kmemleak-test.c.
Fix the spelling of built-in by the way.
Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Rob Herring <robh@kernel.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Divya Indi <divya.indi@oracle.com>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: David Howells <dhowells@redhat.com>
Link: https://lkml.kernel.org/r/20200925183729.GA172837@rlk
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
During an investigation to fix up the execute bits of scripts in the
kernel repository, Andrew Morton and Kees Cook pointed out that the
execute bit should not matter, and that build scripts cannot rely on that.
Kees could not point to any documentation, though.
Masahiro Yamada explained the convention of setting execute bits to make
it easier for manual script invocation.
Provide some basic documentation how the build shall invoke scripts, such
that the execute bits do not matter, and acknowledge that execute bits are
useful nonetheless.
This serves as reference for further clean-up patches in the future.
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Suggested-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Michal Marek <michal.lkml@markovi.net>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ujjwal Kumar <ujjwalkumar0501@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/lkml/20200830174409.c24c3f67addcce0cea9a9d4c@linux-foundation.org/
Link: https://lore.kernel.org/lkml/202008271102.FEB906C88@keescook/
Link: https://lore.kernel.org/linux-kbuild/CAK7LNAQdrvMkDA6ApDJCGr+5db8SiPo=G+p8EiOvnnGvEN80gA@mail.gmail.com/
Link: https://lkml.kernel.org/r/20201001075723.24246-1-lukas.bulwahn@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since the kernel now requires at least Clang 10.0.1, remove any mention of
old Clang versions and simplify the documentation.
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20200902225911.209899-7-ndesaulniers@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
- Series of merge handling cleanups (Baolin, Christoph)
- Series of blk-throttle fixes and cleanups (Baolin)
- Series cleaning up BDI, seperating the block device from the
backing_dev_info (Christoph)
- Removal of bdget() as a generic API (Christoph)
- Removal of blkdev_get() as a generic API (Christoph)
- Cleanup of is-partition checks (Christoph)
- Series reworking disk revalidation (Christoph)
- Series cleaning up bio flags (Christoph)
- bio crypt fixes (Eric)
- IO stats inflight tweak (Gabriel)
- blk-mq tags fixes (Hannes)
- Buffer invalidation fixes (Jan)
- Allow soft limits for zone append (Johannes)
- Shared tag set improvements (John, Kashyap)
- Allow IOPRIO_CLASS_RT for CAP_SYS_NICE (Khazhismel)
- DM no-wait support (Mike, Konstantin)
- Request allocation improvements (Ming)
- Allow md/dm/bcache to use IO stat helpers (Song)
- Series improving blk-iocost (Tejun)
- Various cleanups (Geert, Damien, Danny, Julia, Tetsuo, Tian, Wang,
Xianting, Yang, Yufen, yangerkun)
* tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block: (191 commits)
block: fix uapi blkzoned.h comments
blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue
blk-mq: get rid of the dead flush handle code path
block: get rid of unnecessary local variable
block: fix comment and add lockdep assert
blk-mq: use helper function to test hw stopped
block: use helper function to test queue register
block: remove redundant mq check
block: invoke blk_mq_exit_sched no matter whether have .exit_sched
percpu_ref: don't refer to ref->data if it isn't allocated
block: ratelimit handle_bad_sector() message
blk-throttle: Re-use the throtl_set_slice_end()
blk-throttle: Open code __throtl_de/enqueue_tg()
blk-throttle: Move service tree validation out of the throtl_rb_first()
blk-throttle: Move the list operation after list validation
blk-throttle: Fix IO hang for a corner case
blk-throttle: Avoid tracking latency if low limit is invalid
blk-throttle: Avoid getting the current time if tg->last_finish_time is 0
blk-throttle: Remove a meaningless parameter for throtl_downgrade_state()
block: Remove redundant 'return' statement
...
New driver and chip support:
- Moortec MR75203 PVT controller
- MPS Multi-phase mp2975 controller
- ADM1266
- Zen3 CPUs
- Intel MAX 10 BMC
Enhancements:
- Support for rated attributes in hwmon core
- MAX20730
- Device monitoring via debugfs
- VOUT readin adjustment vie devicetree bindings
- LM75
- Devicetree support
- Regulator support
- Improved accumulationm logic in amd_energy driver
- Added fan sensor to gsc-hwmon driver
- Support for simplified I2C probing
Various other minor fixes and improvements.
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Merge tag 'hwmon-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New driver and chip support:
- Moortec MR75203 PVT controller
- MPS Multi-phase mp2975 controller
- ADM1266
- Zen3 CPUs
- Intel MAX 10 BMC
Enhancements:
- Support for rated attributes in hwmon core
- MAX20730:
- Device monitoring via debugfs
- VOUT readin adjustment vie devicetree bindings
- LM75:
- Devicetree support
- Regulator support
- Improved accumulationm logic in amd_energy driver
- Added fan sensor to gsc-hwmon driver
- Support for simplified I2C probing
Various other minor fixes and improvements"
* tag 'hwmon-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (64 commits)
hwmon: (pmbus/max20730) adjust the vout reading given voltage divider
dt-bindings: hwmon: max20730: adding device tree doc for max20730
hwmon: Add hardware monitoring driver for Moortec MR75203 PVT controller
hwmon: Add DT bindings schema for PVT controller
dt-bindings: hwmon: Add the +vs supply to the lm75 bindings
dt-bindings: hwmon: Convert lm75 bindings to yaml
docs: hwmon: (ltc2945) update datasheet link
hwmon: (mlxreg-fan) Fix double "Mellanox"
hwmon: (pmbus/max20730) add device monitoring via debugfs
hwmon: (pmbus/max34440) Fix OC fault limits
hwmon: (bt1-pvt) Wait for the completion with timeout
hwmon: (bt1-pvt) Cache current update timeout
hwmon: (bt1-pvt) Test sensor power supply on probe
hwmon: (lm75) Add regulator support
hwmon: Add hwmon driver for Intel MAX 10 BMC
dt-bindings: Add MP2975 voltage regulator device
hwmon: (pmbus) Add support for MPS Multi-phase mp2975 controller
hwmon: (tmp513) fix spelling typo in comments
hwmon: (amd_energy) Update driver documentation
hwmon: (amd_energy) Improve the accumulation logic
...
Core changes:
- The big core change is the updated (v2) userspace character
device API. This corrects badly designed 64-bit alignment around
the line events. We also add the debounce request feature.
This echoes the often quotes passage from Frederick Brooks
"The mythical man-month" to always throw one away, which we
have seen before in things such as V4L2. So we put in a new
one and deprecate and obsolete the old one.
- All example tools in tools/gpio/* are migrated to the new API
to set a good example. The libgpiod userspace library has been
augmented to use this new API pretty much from day 1.
- Some misc API hardening by using strn* function calls has been
added as well.
- Use the simpler IDA interface for GPIO chip instance enumeration.
- Add device core function for counting string arrays in
device properties.
- Provide a generic library function kfree_strarray() that can
be used throughout the kernel.
Driver enhancements:
- The DesignWare dwapb-gpio driver has been enhanced and now
uses the IRQ handling in the gpiolib core.
- The mockup and aggregator drivers have seen some substantial
code clean-up and now use more of the core kernel
inftrastructure.
- Misc cleanups using dev_err_probe().
- The MXC drivers (Freescale/NXP) can now be built modularized,
which makes modularized GKI Android kernels happy.
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Merge tag 'gpio-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This time very little driver changes but lots of core changes.
We have some interesting cooperative work for ARM and Intel alike,
making the GPIO subsystem more and more suitable for industrial
systems and the like, in addition to the in-kernel users.
We touch driver core (device properties) and lib/* by adding one
simple string array free function, these are authored by Andy
Shevchenko who is a well known and recognized core helpers maintainers
so this should be fine.
We also see some Android GKI-related modularization in the MXC
drivers.
Core changes:
- The big core change is the updated (v2) userspace character device
API.
This corrects badly designed 64-bit alignment around the line
events. We also add the debounce request feature. This echoes the
often quotes passage from Frederick Brooks "The mythical man-month"
to always throw one away, which we have seen before in things such
as V4L2. So we put in a new one and deprecate and obsolete the old
one.
- All example tools in tools/gpio/* are migrated to the new API to
set a good example. The libgpiod userspace library has been
augmented to use this new API pretty much from day 1.
- Some misc API hardening by using strn* function calls has been
added as well.
- Use the simpler IDA interface for GPIO chip instance enumeration.
- Add device core function for counting string arrays in device
properties.
- Provide a generic library function kfree_strarray() that can be
used throughout the kernel.
Driver enhancements:
- The DesignWare dwapb-gpio driver has been enhanced and now uses the
IRQ handling in the gpiolib core.
- The mockup and aggregator drivers have seen some substantial code
clean-up and now use more of the core kernel inftrastructure.
- Misc cleanups using dev_err_probe().
- The MXC drivers (Freescale/NXP) can now be built modularized, which
makes modularized GKI Android kernels happy"
* tag 'gpio-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (73 commits)
gpiolib: Update header block in gpiolib-cdev.h
gpiolib: cdev: switch from kstrdup() to kstrndup()
docs: gpio: add a new document to its index.rst
gpio: pca953x: Add support for the NXP PCAL9554B/C
tools: gpio: add debounce support to gpio-event-mon
tools: gpio: add multi-line monitoring to gpio-event-mon
tools: gpio: port gpio-event-mon to v2 uAPI
tools: gpio: port gpio-hammer to v2 uAPI
tools: gpio: rename nlines to num_lines
tools: gpio: port gpio-watch to v2 uAPI
tools: gpio: port lsgpio to v2 uAPI
gpio: uapi: document uAPI v1 as deprecated
gpiolib: cdev: support setting debounce
gpiolib: cdev: support GPIO_V2_LINE_SET_VALUES_IOCTL
gpiolib: cdev: support GPIO_V2_LINE_SET_CONFIG_IOCTL
gpiolib: cdev: support edge detection for uAPI v2
gpiolib: cdev: support GPIO_V2_GET_LINEINFO_IOCTL and GPIO_V2_GET_LINEINFO_WATCH_IOCTL
gpiolib: cdev: support GPIO_V2_GET_LINE_IOCTL and GPIO_V2_LINE_GET_VALUES_IOCTL
gpiolib: add build option for CDEV v1 ABI
gpiolib: make cdev a build option
...
There's quite a lot of changes for SPI in this release but none in the
core, they're all mostly small driver updates and additions. Some of
the more notable changes include:
- A huge set of cleanups, optimizations and improvements for the
DesignWare driver from Serge Semin finishing up the work started
last release.
- Conversion of the Zynq gqspi driver to spi-mem.
- Support for Baikal T1, Broadcom BCMSTB 7445, and Renesas R8A7742.
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Merge tag 'spi-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"There's quite a lot of changes for SPI in this release but none in the
core, they're all mostly small driver updates and additions. Some of
the more notable changes include:
- A huge set of cleanups, optimizations and improvements for the
DesignWare driver from Serge Semin finishing up the work started
last release.
- Conversion of the Zynq gqspi driver to spi-mem.
- Support for Baikal T1, Broadcom BCMSTB 7445, and Renesas R8A7742"
* tag 'spi-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (137 commits)
spi: cadence: Add SPI transfer delays
spi: dw: Add Baikal-T1 SPI Controller bindings
spi: dw: Add Baikal-T1 SPI Controller glue driver
spi: dw: Add poll-based SPI transfers support
spi: dw: Introduce max mem-ops SPI bus frequency setting
spi: dw: Add memory operations support
spi: dw: Add generic DW SSI status-check method
spi: dw: Move num-of retries parameter to the header file
spi: dw: Explicitly de-assert CS on SPI transfer completion
spi: dw: De-assert chip-select on reset
spi: dw: Discard chip enabling on DMA setup error
spi: dw: Unmask IRQs after enabling the chip
spi: dw: Perform IRQ setup in a dedicated function
spi: dw: Refactor IRQ-based SPI transfer procedure
spi: dw: Refactor data IO procedure
spi: dw: Add DW SPI controller config structure
spi: dw: Update Rx sample delay in the config function
spi: dw: Simplify the SPI bus speed config procedure
spi: dw: Update SPI bus speed in a config function
spi: dw: Detach SPI device specific CR0 config method
...
This is a fairly small release for the regulator API, there's quite a
few new devices supported and some important improvements around coupled
regulators in the core but mostly just small fixes and improvements
otherwise.
- Fixes and cleanups around the handling of coupled regulators.
- A special driver for some Raspberry Pi panels with some unusually
custom stuff around them.
- Support for Qualcomm PM660/PM660L, PM8950 and PM8953, Richtek RT4801
and RTMV20, Rohm BD9576MUF and BD9573MUF.
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Merge tag 'regulator-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This is a fairly small release for the regulator API, there's quite a
few new devices supported and some important improvements around
coupled regulators in the core but mostly just small fixes and
improvements otherwise.
Summary:
- Fixes and cleanups around the handling of coupled regulators.
- A special driver for some Raspberry Pi panels with some unusually
custom stuff around them.
- Support for Qualcomm PM660/PM660L, PM8950 and PM8953, Richtek
RT4801 and RTMV20, Rohm BD9576MUF and BD9573MUF"
* tag 'regulator-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (89 commits)
regulator: bd9576: Fix print
regulator: bd9576: fix regulator binfdings dt node names
dt-bindings: regulator: document pm8950 and pm8953 smd regulators
regulator: qcom_smd: add pm8953 regulators
regulator: Make constraint debug processing conditional on DEBUG
regulator: qcom: labibb: Constify static structs
regulator: dt-bindings: Document the PM660/PM660L PMICs entries
regulator: qcom_smd: Add PM660/PM660L regulator support
regulator: dt-bindings: Document the PM660/660L SPMI PMIC entries
regulator: qcom_spmi: Add PM660/PM660L regulators
regulator: qcom_spmi: Add support for new regulator types
regulator: core: Enlarge max OF property name length to 64 chars
regulator: tps65910: use regmap accessors
regulator: rtmv20: Add missing regcache cache only before marked as dirty
regulator: rtmv20: Update DT binding document and property name parsing
regulator: rtmv20: Add DT-binding document for Richtek RTMV20
regulator: rtmv20: Adds support for Richtek RTMV20 load switch regulator
regulator: resolve supply after creating regulator
regulator: print symbolic errors in kernel messages
regulator: print state at boot
...
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Merge tag 'media/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- the usbvision driver was dropped from staging
- the Zoran driver were re-added at staging. It gained lots of
improvements, and was converted to use videobuf2 API
- a new virtual driver (vidtv) was added in order to allow testing the
digital TV framework and APIs
- the media uAPI documentation gained a glossary with commonly used
terms, helping to simplify some parts of the docs
- more cleanups at the atomisp driver
- Mediatek VPU gained support for MT8183
- added support for codecs with supports doing colorspace conversion
(CSC)
- support for CSC API was added at vivid and rksip1 drivers
- added a helper core support and uAPI for better supporting H.264
codecs
- added support for Renesas R8A774E1
- use the new SPDX GFDL-1.1-no-invariants-or-later license on media
uAPI docs, instead of a license text
- Venus driver has gained VP9 codec support
- lots of other cleanups and driver improvements
* tag 'media/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (555 commits)
media: dvb-frontends/drxk_hard.c: fix uninitialized variable warning
media: tvp7002: fix uninitialized variable warning
media: s5k5baf: drop 'data' field in struct s5k5baf_fw
media: dt-bindings: media: venus: Add an optional power domain for perf voting
media: rcar-vin: rcar-dma: Fix setting VNIS_REG for RAW8 formats
media: staging: rkisp1: uapi: Do not use BIT() macro
media: v4l2-mem2mem: Fix spurious v4l2_m2m_buf_done
media: usbtv: Fix refcounting mixup
media: zoran.rst: place it at the right place this time
media: add Zoran cardlist
media: admin-guide: update cardlists
media: siano: rename a duplicated card string
media: zoran: move documentation file to the right place
media: atomisp: fixes build breakage for ISP2400 due to a cleanup
media: zoran: fix mixed case on vars
media: zoran: get rid of an unused var
media: zoran: use upper case for card types
media: zoran: fix sparse warnings
media: zoran: fix smatch warning
media: zoran: update TODO
...
- Export SDIO revision and info strings to userspace
- Add support for specifying mmc/mmcblk index via mmc aliases in DT
MMC host:
- Enable support for async probe for all mmc host drivers
- Enable compile testing of multiple host drivers
- dw_mmc: Enable the Synopsys DesignWare driver for RISCV and CSKY
- mtk-sd: Fixup support for CQHCI
- owl-mmc: Add support for the actions,s700-mmc variant
- renesas_sdhi: Fix regression (temporary) for re-insertion of SD cards
- renesas_sdhi: Add support for the r8a774e1 variant
- renesas_sdhi/tmio: Improvements for tunings
- renesas_sdhi/tmio: Rework support for reset of controller
- sdhci-acpi: Fix HS400 tuning for devices with invalid presets on AMDI0040
- sdhci_am654: Improve support for tunings
- sdhci_am654: Add support for input tap delays
- sdhci_am654: Add workaround for card detect debounce timer
- sdhci-am654: Add support for the TI's J7200 variants
- sdhci-esdhc-imx: Fix support for manual tuning
- sdhci-iproc: Enable support for eMMC DDR 3.3V for bcm2711
- sdhci-msm: Fix stability issues with HS400 for sc7180
- sdhci-of-sparx5: Add Sparx5 SoC eMMC driver
- sdhci-of-esdhc: Fixup reference clock source selection
- sdhci-pci: Add LTR support for some Intel BYT controllers
- sdhci-pci-gli: Add CQHCI Support for GL9763E
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Merge tag 'mmc-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Export SDIO revision and info strings to userspace
- Add support for specifying mmc/mmcblk index via mmc aliases in DT
MMC host:
- Enable support for async probe for all mmc host drivers
- Enable compile testing of multiple host drivers
- dw_mmc: Enable the Synopsys DesignWare driver for RISCV and CSKY
- mtk-sd: Fixup support for CQHCI
- owl-mmc: Add support for the actions,s700-mmc variant
- renesas_sdhi: Fix regression (temporary) for re-insertion of SD cards
- renesas_sdhi: Add support for the r8a774e1 variant
- renesas_sdhi/tmio: Improvements for tunings
- renesas_sdhi/tmio: Rework support for reset of controller
- sdhci-acpi: Fix HS400 tuning for devices with invalid presets on AMDI0040
- sdhci_am654: Improve support for tunings
- sdhci_am654: Add support for input tap delays
- sdhci_am654: Add workaround for card detect debounce timer
- sdhci-am654: Add support for the TI's J7200 variants
- sdhci-esdhc-imx: Fix support for manual tuning
- sdhci-iproc: Enable support for eMMC DDR 3.3V for bcm2711
- sdhci-msm: Fix stability issues with HS400 for sc7180
- sdhci-of-sparx5: Add Sparx5 SoC eMMC driver
- sdhci-of-esdhc: Fixup reference clock source selection
- sdhci-pci: Add LTR support for some Intel BYT controllers
- sdhci-pci-gli: Add CQHCI Support for GL9763E"
* tag 'mmc-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (91 commits)
mmc: sdhci_am654: Fix module autoload
mmc: renesas_sdhi: workaround a regression when reinserting SD cards
mmc: sdhci-pci-gli: Add CQHCI Support for GL9763E
mmc: sdhci-acpi: AMDI0040: Set SDHCI_QUIRK2_PRESET_VALUE_BROKEN
mmc: sdhci_am654: Enable tuning for SDR50
mmc: sdhci_am654: Add support for software tuning
mmc: sdhci_am654: Add support for input tap delay
mmc: sdhci_am654: Fix hard coded otap delay array size
dt-bindings: mmc: sdhci-am654: Add documentation for input tap delay
dt-bindings: mmc: sdhci-am654: Convert sdhci-am654 controller documentation to json schema
mmc: sdhci-of-esdhc: fix reference clock source selection
mmc: host: fix depends for MMC_MESON_GX w/ COMPILE_TEST
mmc: sdhci-s3c: hide forward declaration of of_device_id behind CONFIG_OF
mmc: sdhci: fix indentation mistakes
mmc: moxart: remove unneeded check for drvdata
mmc: renesas_sdhi: drop local flag for tuning
mmc: rtsx_usb_sdmmc: simplify the return expression of sd_change_phase()
mmc: core: document mmc_hw_reset()
mmc: mediatek: Drop pointer to mmc_host from msdc_host
dt-bindings: mmc: owl: add compatible string actions,s700-mmc
...
Pull crypto updates from Herbert Xu:
"API:
- Allow DRBG testing through user-space af_alg
- Add tcrypt speed testing support for keyed hashes
- Add type-safe init/exit hooks for ahash
Algorithms:
- Mark arc4 as obsolete and pending for future removal
- Mark anubis, khazad, sead and tea as obsolete
- Improve boot-time xor benchmark
- Add OSCCA SM2 asymmetric cipher algorithm and use it for integrity
Drivers:
- Fixes and enhancement for XTS in caam
- Add support for XIP8001B hwrng in xiphera-trng
- Add RNG and hash support in sun8i-ce/sun8i-ss
- Allow imx-rngc to be used by kernel entropy pool
- Use crypto engine in omap-sham
- Add support for Ingenic X1830 with ingenic"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (205 commits)
X.509: Fix modular build of public_key_sm2
crypto: xor - Remove unused variable count in do_xor_speed
X.509: fix error return value on the failed path
crypto: bcm - Verify GCM/CCM key length in setkey
crypto: qat - drop input parameter from adf_enable_aer()
crypto: qat - fix function parameters descriptions
crypto: atmel-tdes - use semicolons rather than commas to separate statements
crypto: drivers - use semicolons rather than commas to separate statements
hwrng: mxc-rnga - use semicolons rather than commas to separate statements
hwrng: iproc-rng200 - use semicolons rather than commas to separate statements
hwrng: stm32 - use semicolons rather than commas to separate statements
crypto: xor - use ktime for template benchmarking
crypto: xor - defer load time benchmark to a later time
crypto: hisilicon/zip - fix the uninitalized 'curr_qm_qp_num'
crypto: hisilicon/zip - fix the return value when device is busy
crypto: hisilicon/zip - fix zero length input in GZIP decompress
crypto: hisilicon/zip - fix the uncleared debug registers
lib/mpi: Fix unused variable warnings
crypto: x86/poly1305 - Remove assignments with no effect
hwrng: npcm - modify readl to readb
...
no conflicts at all. This pull includes:
- A reworked and expanded user-mode Linux document
- Some simplifications and improvements for submitting-patches.rst
- An emergency fix for (some) problems with Sphinx 3.x
- Some welcome automarkup improvements to automatically generate
cross-references to struct definitions and other documents
- The usual collection of translation updates, typo fixes, etc.
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Merge tag 'docs-5.10' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"As hoped, things calmed down for docs this cycle; fewer changes and
almost no conflicts at all. This includes:
- A reworked and expanded user-mode Linux document
- Some simplifications and improvements for submitting-patches.rst
- An emergency fix for (some) problems with Sphinx 3.x
- Some welcome automarkup improvements to automatically generate
cross-references to struct definitions and other documents
- The usual collection of translation updates, typo fixes, etc"
* tag 'docs-5.10' of git://git.lwn.net/linux: (81 commits)
gpiolib: Update indentation in driver.rst for code excerpts
Documentation/admin-guide: tainted-kernels: Fix typo occured
Documentation: better locations for sysfs-pci, sysfs-tagging
docs: programming-languages: refresh blurb on clang support
Documentation: kvm: fix a typo
Documentation: Chinese translation of Documentation/arm64/amu.rst
doc: zh_CN: index files in arm64 subdirectory
mailmap: add entry for <mstarovoitov@marvell.com>
doc: seq_file: clarify role of *pos in ->next()
docs: trace: ring-buffer-design.rst: use the new SPDX tag
Documentation: kernel-parameters: clarify "module." parameters
Fix references to nommu-mmap.rst
docs: rewrite admin-guide/sysctl/abi.rst
docs: fb: Remove vesafb scrollback boot option
docs: fb: Remove sstfb scrollback boot option
docs: fb: Remove matroxfb scrollback boot option
docs: fb: Remove framebuffer scrollback boot option
docs: replace the old User Mode Linux HowTo with a new one
Documentation/admin-guide: blockdev/ramdisk: remove use of "rdev"
Documentation/admin-guide: README & svga: remove use of "rdev"
...
- Preliminary RISC-V enablement - the bulk of it will arrive via the RISCV tree.
- Relax decompressed image placement rules for 32-bit ARM
- Add support for passing MOK certificate table contents via a config table
rather than a EFI variable.
- Add support for 18 bit DIMM row IDs in the CPER records.
- Work around broken Dell firmware that passes the entire Boot#### variable
contents as the command line
- Add definition of the EFI_MEMORY_CPU_CRYPTO memory attribute so we can
identify it in the memory map listings.
- Don't abort the boot on arm64 if the EFI RNG protocol is available but
returns with an error
- Replace slashes with exclamation marks in efivarfs file names
- Split efi-pstore from the deprecated efivars sysfs code, so we can
disable the latter on !x86.
- Misc fixes, cleanups and updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'efi-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI changes from Ingo Molnar:
- Preliminary RISC-V enablement - the bulk of it will arrive via the
RISCV tree.
- Relax decompressed image placement rules for 32-bit ARM
- Add support for passing MOK certificate table contents via a config
table rather than a EFI variable.
- Add support for 18 bit DIMM row IDs in the CPER records.
- Work around broken Dell firmware that passes the entire Boot####
variable contents as the command line
- Add definition of the EFI_MEMORY_CPU_CRYPTO memory attribute so we
can identify it in the memory map listings.
- Don't abort the boot on arm64 if the EFI RNG protocol is available
but returns with an error
- Replace slashes with exclamation marks in efivarfs file names
- Split efi-pstore from the deprecated efivars sysfs code, so we can
disable the latter on !x86.
- Misc fixes, cleanups and updates.
* tag 'efi-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
efi: mokvar: add missing include of asm/early_ioremap.h
efi: efivars: limit availability to X86 builds
efi: remove some false dependencies on CONFIG_EFI_VARS
efi: gsmi: fix false dependency on CONFIG_EFI_VARS
efi: efivars: un-export efivars_sysfs_init()
efi: pstore: move workqueue handling out of efivars
efi: pstore: disentangle from deprecated efivars module
efi: mokvar-table: fix some issues in new code
efi/arm64: libstub: Deal gracefully with EFI_RNG_PROTOCOL failure
efivarfs: Replace invalid slashes with exclamation marks in dentries.
efi: Delete deprecated parameter comments
efi/libstub: Fix missing-prototypes in string.c
efi: Add definition of EFI_MEMORY_CPU_CRYPTO and ability to report it
cper,edac,efi: Memory Error Record: bank group/address and chip id
edac,ghes,cper: Add Row Extension to Memory Error Record
efi/x86: Add a quirk to support command line arguments on Dell EFI firmware
efi/libstub: Add efi_warn and *_once logging helpers
integrity: Load certs from the EFI MOK config table
integrity: Move import of MokListRT certs to a separate routine
efi: Support for MOK variable config table
...
- Add deadlock detection for recursive read-locks. The rationale is outlined
in:
224ec489d3cd: ("lockdep/Documention: Recursive read lock detection reasoning")
The main deadlock pattern we want to detect is:
TASK A: TASK B:
read_lock(X);
write_lock(X);
read_lock_2(X);
- Add "latch sequence counters" (seqcount_latch_t):
A sequence counter variant where the counter even/odd value is used to
switch between two copies of protected data. This allows the read path,
typically NMIs, to safely interrupt the write side critical section.
We utilize this new variant for sched-clock, and to make x86 TSC handling safer.
- Other seqlock cleanups, fixes and enhancements
- KCSAN updates
- LKMM updates
- Misc updates, cleanups and fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"These are the locking updates for v5.10:
- Add deadlock detection for recursive read-locks.
The rationale is outlined in commit 224ec489d3 ("lockdep/
Documention: Recursive read lock detection reasoning")
The main deadlock pattern we want to detect is:
TASK A: TASK B:
read_lock(X);
write_lock(X);
read_lock_2(X);
- Add "latch sequence counters" (seqcount_latch_t):
A sequence counter variant where the counter even/odd value is used
to switch between two copies of protected data. This allows the
read path, typically NMIs, to safely interrupt the write side
critical section.
We utilize this new variant for sched-clock, and to make x86 TSC
handling safer.
- Other seqlock cleanups, fixes and enhancements
- KCSAN updates
- LKMM updates
- Misc updates, cleanups and fixes"
* tag 'locking-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (67 commits)
lockdep: Revert "lockdep: Use raw_cpu_*() for per-cpu variables"
lockdep: Fix lockdep recursion
lockdep: Fix usage_traceoverflow
locking/atomics: Check atomic-arch-fallback.h too
locking/seqlock: Tweak DEFINE_SEQLOCK() kernel doc
lockdep: Optimize the memory usage of circular queue
seqlock: Unbreak lockdep
seqlock: PREEMPT_RT: Do not starve seqlock_t writers
seqlock: seqcount_LOCKNAME_t: Introduce PREEMPT_RT support
seqlock: seqcount_t: Implement all read APIs as statement expressions
seqlock: Use unique prefix for seqcount_t property accessors
seqlock: seqcount_LOCKNAME_t: Standardize naming convention
seqlock: seqcount latch APIs: Only allow seqcount_latch_t
rbtree_latch: Use seqcount_latch_t
x86/tsc: Use seqcount_latch_t
timekeeping: Use seqcount_latch_t
time/sched_clock: Use seqcount_latch_t
seqlock: Introduce seqcount_latch_t
mm/swap: Do not abuse the seqcount_t latching API
time/sched_clock: Use raw_read_seqcount_latch() during suspend
...
When TABs are being used to indent the code excerpts inside the bullet
lists some of the tools [vim in particular] fail to recognize it and
continue interpreting the special characters inside the quoted excerpt.
Update indentation in driver.rst for code excerpts to avoid
their special interpretation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20201007143817.76335-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Core:
- Allow trimming of interrupt hierarchy to support odd hardware setups
where only a subset of the interrupts requires the full hierarchy.
- Allow the retrigger mechanism to follow a hierarchy to simplify
driver code.
- Provide a mechanism to force enable wakeup interrrupts on suspend.
- More infrastructure to handle IPIs in the core code
Architectures:
- Convert ARM/ARM64 IPI handling to utilize the interrupt core code.
Drivers:
- The usual pile of new interrupt chips (MStar, Actions Owl, TI PRUSS,
Designware ICTL)
- ARM(64) IPI related conversions
- Wakeup support for Qualcom PDC
- Prevent hierarchy corruption in the NVIDIA Tegra driver
- The usual small fixes, improvements and cleanups all over the place.
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Merge tag 'irq-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates for the interrupt subsystem:
Core:
- Allow trimming of interrupt hierarchy to support odd hardware
setups where only a subset of the interrupts requires the full
hierarchy.
- Allow the retrigger mechanism to follow a hierarchy to simplify
driver code.
- Provide a mechanism to force enable wakeup interrrupts on suspend.
- More infrastructure to handle IPIs in the core code
Architectures:
- Convert ARM/ARM64 IPI handling to utilize the interrupt core code.
Drivers:
- The usual pile of new interrupt chips (MStar, Actions Owl, TI
PRUSS, Designware ICTL)
- ARM(64) IPI related conversions
- Wakeup support for Qualcom PDC
- Prevent hierarchy corruption in the NVIDIA Tegra driver
- The usual small fixes, improvements and cleanups all over the
place"
* tag 'irq-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (59 commits)
dt-bindings: interrupt-controller: Add MStar interrupt controller
irqchip/irq-mst: Add MStar interrupt controller support
soc/tegra: pmc: Don't create fake interrupt hierarchy levels
soc/tegra: pmc: Allow optional irq parent callbacks
gpio: tegra186: Allow optional irq parent callbacks
genirq/irqdomain: Allow partial trimming of irq_data hierarchy
irqchip/qcom-pdc: Reset PDC interrupts during init
irqchip/qcom-pdc: Set IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag
pinctrl: qcom: Set IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag
genirq/PM: Introduce IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag
pinctrl: qcom: Use return value from irq_set_wake() call
pinctrl: qcom: Set IRQCHIP_SET_TYPE_MASKED and IRQCHIP_MASK_ON_SUSPEND flags
ARM: Handle no IPI being registered in show_ipi_list()
MAINTAINERS: Add entries for Actions Semi Owl SIRQ controller
irqchip: Add Actions Semi Owl SIRQ controller
dt-bindings: interrupt-controller: Add Actions SIRQ controller binding
dt-bindings: dw-apb-ictl: Update binding to describe use as primary interrupt controller
irqchip/dw-apb-ictl: Add primary interrupt controller support
irqchip/dw-apb-ictl: Refactor priot to introducing hierarchical irq domains
genirq: Add stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER
...
Core:
- Early boot support for the NMI safe timekeeper by utilizing
local_clock() up to the point where timekeeping is initialized. This
allows printk() to store multiple timestamps in the ringbuffer which is
useful for coordinating dmesg information across a fleet of machines.
- Provide a multi-timestamp accessor for printk()
- Make timer init more robust by checking for invalid timer flags.
- Comma vs. semicolon fixes
Drivers:
- Support for new platforms in existing drivers (SP804 and Renesas CMT)
- Comma vs. semicolon fixes
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Merge tag 'timers-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timekeeping updates from Thomas Gleixner:
"Updates for timekeeping, timers and related drivers:
Core:
- Early boot support for the NMI safe timekeeper by utilizing
local_clock() up to the point where timekeeping is initialized.
This allows printk() to store multiple timestamps in the ringbuffer
which is useful for coordinating dmesg information across a fleet
of machines.
- Provide a multi-timestamp accessor for printk()
- Make timer init more robust by checking for invalid timer flags.
- Comma vs semicolon fixes
Drivers:
- Support for new platforms in existing drivers (SP804 and Renesas
CMT)
- Comma vs semicolon fixes
* tag 'timers-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/armada-370-xp: Use semicolons rather than commas to separate statements
clocksource/drivers/mps2-timer: Use semicolons rather than commas to separate statements
timers: Mask invalid flags in do_init_timer()
clocksource/drivers/sp804: Enable Hisilicon sp804 timer 64bit mode
clocksource/drivers/sp804: Add support for Hisilicon sp804 timer
clocksource/drivers/sp804: Support non-standard register offset
clocksource/drivers/sp804: Prepare for support non-standard register offset
clocksource/drivers/sp804: Remove a mismatched comment
clocksource/drivers/sp804: Delete the leading "__" of some functions
clocksource/drivers/sp804: Remove unused sp804_timer_disable() and timer-sp804.h
clocksource/drivers/sp804: Cleanup clk_get_sys()
dt-bindings: timer: renesas,cmt: Document r8a774e1 CMT support
dt-bindings: timer: renesas,cmt: Document r8a7742 CMT support
alarmtimer: Convert comma to semicolon
timekeeping: Provide multi-timestamp accessor to NMI safe timekeeper
timekeeping: Utilize local_clock() for NMI safe timekeeper during early boot
James Morse.
* Add support for controlling per-thread memory bandwidth throttling
delay values on hw which supports it, by Fenghua Yu.
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Merge tag 'x86_cache_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache resource control updates from Borislav Petkov:
- Misc cleanups to the resctrl code in preparation for the ARM side
(James Morse)
- Add support for controlling per-thread memory bandwidth throttling
delay values on hw which supports it (Fenghua Yu)
* tag 'x86_cache_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Enable user to view thread or core throttling mode
x86/resctrl: Enumerate per-thread MBA controls
cacheinfo: Move resctrl's get_cache_id() to the cacheinfo header file
x86/resctrl: Add struct rdt_cache::arch_has_{sparse, empty}_bitmaps
x86/resctrl: Merge AMD/Intel parse_bw() calls
x86/resctrl: Add struct rdt_membw::arch_needs_linear to explain AMD/Intel MBA difference
x86/resctrl: Use is_closid_match() in more places
x86/resctrl: Include pid.h
x86/resctrl: Use container_of() in delayed_work handlers
x86/resctrl: Fix stale comment
x86/resctrl: Remove struct rdt_membw::max_delay
x86/resctrl: Remove unused struct mbm_state::chunks_bw
* Move clearcpuid= parameter handling earlier in the boot, away from the
FPU init code and to a generic location, by Mike Hommey.
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Merge tag 'x86_fpu_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Borislav Petkov:
- Allow clearcpuid= to accept multiple bits (Arvind Sankar)
- Move clearcpuid= parameter handling earlier in the boot, away from
the FPU init code and to a generic location (Mike Hommey)
* tag 'x86_fpu_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Handle FPU-related and clearcpuid command line arguments earlier
x86/fpu: Allow multiple bits in clearcpuid= parameter
don't spam the console log, by Chris Down.
* Document how the /proc/cpuinfo machinery works for future reference,
by Kyung Min Park, Ricardo Neri and Dave Hansen.
* Correct the current NMI's duration calculation, by Libing Zhou.
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Merge tag 'x86_misc_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes fromm Borislav Petkov:
- Ratelimit the message about writes to unrecognized MSRs so that they
don't spam the console log (Chris Down)
- Document how the /proc/cpuinfo machinery works for future reference
(Kyung Min Park, Ricardo Neri and Dave Hansen)
- Correct the current NMI's duration calculation (Libing Zhou)
* tag 'x86_misc_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi: Fix nmi_handle() duration miscalculation
Documentation/x86: Add documentation for /proc/cpuinfo feature flags
x86/msr: Make source of unrecognised MSR writes unambiguous
x86/msr: Prevent userspace MSR access from dominating the console
devices which doesn't need pinning of pages for DMA anymore. Add support
for the command submission to devices using new x86 instructions like
ENQCMD{,S} and MOVDIR64B. In addition, add support for process address
space identifiers (PASIDs) which are referenced by those command
submission instructions along with the handling of the PASID state on
context switch as another extended state. Work by Fenghua Yu, Ashok Raj,
Yu-cheng Yu and Dave Jiang.
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Merge tag 'x86_pasid_for_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 PASID updates from Borislav Petkov:
"Initial support for sharing virtual addresses between the CPU and
devices which doesn't need pinning of pages for DMA anymore.
Add support for the command submission to devices using new x86
instructions like ENQCMD{,S} and MOVDIR64B. In addition, add support
for process address space identifiers (PASIDs) which are referenced by
those command submission instructions along with the handling of the
PASID state on context switch as another extended state.
Work by Fenghua Yu, Ashok Raj, Yu-cheng Yu and Dave Jiang"
* tag 'x86_pasid_for_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm: Add an enqcmds() wrapper for the ENQCMDS instruction
x86/asm: Carve out a generic movdir64b() helper for general usage
x86/mmu: Allocate/free a PASID
x86/cpufeatures: Mark ENQCMD as disabled when configured out
mm: Add a pasid member to struct mm_struct
x86/msr-index: Define an IA32_PASID MSR
x86/fpu/xstate: Add supervisor PASID state for ENQCMD
x86/cpufeatures: Enumerate ENQCMD and ENQCMDS instructions
Documentation/x86: Add documentation for SVA (Shared Virtual Addressing)
iommu/vt-d: Change flags type to unsigned int in binding mm
drm, iommu: Change type of pasid to u32
Shenhar.
* New AMD CPUs support, by Yazen Ghannam.
* The usual misc fixes and cleanups all over the subsystem.
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Merge tag 'edac_updates_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Add Amazon's Annapurna Labs memory controller EDAC driver (Talel
Shenhar)
- New AMD CPUs support (Yazen Ghannam)
- The usual misc fixes and cleanups all over the subsystem
* tag 'edac_updates_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/amd64: Set proper family type for Family 19h Models 20h-2Fh
EDAC/mc_sysfs: Add missing newlines when printing {max,dimm}_location
EDAC/aspeed: Use module_platform_driver() to simplify
EDAC, sb_edac: Simplify switch statement
EDAC/ti: Fix handling of platform_get_irq() error
EDAC/aspeed: Fix handling of platform_get_irq() error
EDAC/i5100: Fix error handling order in i5100_init_one()
EDAC/highbank: Handover Calxeda Highbank maintenance to Andre Przywara
EDAC/socfpga: Transfer SoCFPGA EDAC maintainership
EDAC/thunderx: Make symbol lmc_dfs_ents static
EDAC/al-mc-edac: Add Amazon's Annapurna Labs Memory Controller driver
dt-bindings: EDAC: Add Amazon's Annapurna Labs Memory Controller binding
EDAC/mce_amd: Add new error descriptions for existing types
EDAC: Replace HTTP links with HTTPS ones
- Userspace support for the Memory Tagging Extension introduced by Armv8.5.
Kernel support (via KASAN) is likely to follow in 5.11.
- Selftests for MTE, Pointer Authentication and FPSIMD/SVE context
switching.
- Fix and subsequent rewrite of our Spectre mitigations, including the
addition of support for PR_SPEC_DISABLE_NOEXEC.
- Support for the Armv8.3 Pointer Authentication enhancements.
- Support for ASID pinning, which is required when sharing page-tables with
the SMMU.
- MM updates, including treating flush_tlb_fix_spurious_fault() as a no-op.
- Perf/PMU driver updates, including addition of the ARM CMN PMU driver and
also support to handle CPU PMU IRQs as NMIs.
- Allow prefetchable PCI BARs to be exposed to userspace using normal
non-cacheable mappings.
- Implementation of ARCH_STACKWALK for unwinding.
- Improve reporting of unexpected kernel traps due to BPF JIT failure.
- Improve robustness of user-visible HWCAP strings and their corresponding
numerical constants.
- Removal of TEXT_OFFSET.
- Removal of some unused functions, parameters and prototypes.
- Removal of MPIDR-based topology detection in favour of firmware
description.
- Cleanups to handling of SVE and FPSIMD register state in preparation
for potential future optimisation of handling across syscalls.
- Cleanups to the SDEI driver in preparation for support in KVM.
- Miscellaneous cleanups and refactoring work.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"There's quite a lot of code here, but much of it is due to the
addition of a new PMU driver as well as some arm64-specific selftests
which is an area where we've traditionally been lagging a bit.
In terms of exciting features, this includes support for the Memory
Tagging Extension which narrowly missed 5.9, hopefully allowing
userspace to run with use-after-free detection in production on CPUs
that support it. Work is ongoing to integrate the feature with KASAN
for 5.11.
Another change that I'm excited about (assuming they get the hardware
right) is preparing the ASID allocator for sharing the CPU page-table
with the SMMU. Those changes will also come in via Joerg with the
IOMMU pull.
We do stray outside of our usual directories in a few places, mostly
due to core changes required by MTE. Although much of this has been
Acked, there were a couple of places where we unfortunately didn't get
any review feedback.
Other than that, we ran into a handful of minor conflicts in -next,
but nothing that should post any issues.
Summary:
- Userspace support for the Memory Tagging Extension introduced by
Armv8.5. Kernel support (via KASAN) is likely to follow in 5.11.
- Selftests for MTE, Pointer Authentication and FPSIMD/SVE context
switching.
- Fix and subsequent rewrite of our Spectre mitigations, including
the addition of support for PR_SPEC_DISABLE_NOEXEC.
- Support for the Armv8.3 Pointer Authentication enhancements.
- Support for ASID pinning, which is required when sharing
page-tables with the SMMU.
- MM updates, including treating flush_tlb_fix_spurious_fault() as a
no-op.
- Perf/PMU driver updates, including addition of the ARM CMN PMU
driver and also support to handle CPU PMU IRQs as NMIs.
- Allow prefetchable PCI BARs to be exposed to userspace using normal
non-cacheable mappings.
- Implementation of ARCH_STACKWALK for unwinding.
- Improve reporting of unexpected kernel traps due to BPF JIT
failure.
- Improve robustness of user-visible HWCAP strings and their
corresponding numerical constants.
- Removal of TEXT_OFFSET.
- Removal of some unused functions, parameters and prototypes.
- Removal of MPIDR-based topology detection in favour of firmware
description.
- Cleanups to handling of SVE and FPSIMD register state in
preparation for potential future optimisation of handling across
syscalls.
- Cleanups to the SDEI driver in preparation for support in KVM.
- Miscellaneous cleanups and refactoring work"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (148 commits)
Revert "arm64: initialize per-cpu offsets earlier"
arm64: random: Remove no longer needed prototypes
arm64: initialize per-cpu offsets earlier
kselftest/arm64: Check mte tagged user address in kernel
kselftest/arm64: Verify KSM page merge for MTE pages
kselftest/arm64: Verify all different mmap MTE options
kselftest/arm64: Check forked child mte memory accessibility
kselftest/arm64: Verify mte tag inclusion via prctl
kselftest/arm64: Add utilities and a test to validate mte memory
perf: arm-cmn: Fix conversion specifiers for node type
perf: arm-cmn: Fix unsigned comparison to less than zero
arm64: dbm: Invalidate local TLB when setting TCR_EL1.HD
arm64: mm: Make flush_tlb_fix_spurious_fault() a no-op
arm64: Add support for PR_SPEC_DISABLE_NOEXEC prctl() option
arm64: Pull in task_stack_page() to Spectre-v4 mitigation code
KVM: arm64: Allow patching EL2 vectors even with KASLR is not enabled
arm64: Get rid of arm64_ssbd_state
KVM: arm64: Convert ARCH_WORKAROUND_2 to arm64_get_spectre_v4_state()
KVM: arm64: Get rid of kvm_arm_have_ssbd()
KVM: arm64: Simplify handling of ARCH_WORKAROUND_2
...
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Merge tag 'tpmdd-next-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen:
"Support for a new TPM device and fixes and Git URL change (infraded ->
korg)"
* tag 'tpmdd-next-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
MAINTAINERS: TPM DEVICE DRIVER: Update GIT
tpm_tis: Add a check for invalid status
tpm: use %*ph to print small buffer
dt-bindings: Add SynQucer TPM MMIO as a trivial device
tpm: tis: add support for MMIO TPM on SynQuacer
- Fix a (hopefully final) IRQ state tracking bug vs. MCE handling
- Fix a documentation link
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2020-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Two fixes:
- Fix a (hopefully final) IRQ state tracking bug vs MCE handling
- Fix a documentation link"
* tag 'x86-urgent-2020-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation/x86: Fix incorrect references to zero-page.txt
x86/mce: Use idtentry_nmi_enter/exit()
Core changes:
- Allow irq retriggering to follow a hierarchy
- Allow interrupt hierarchies to be trimmed at allocation time
- Allow interrupts to be hidden from /proc/interrupts (IPIs)
- Introduce stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER
- New per-cpu IPI handling flow
Architecture changes:
- Move arm/arm64 IPI handling to the core interrupt code, removing
the home brewed accounting
Driver updates:
- New driver for the MStar (and more recently Mediatek) platforms
- New driver for the Actions Owl SIRQ controller
- New driver for the TI PRUSS infrastructure
- Wake-up support for the Qualcomm PDC controller
- Primary interrupt controller support for the Designware APB ICTL
- Convert the IPI code for GIC, GICv3, hip04, armada-270-xp and bcm2836
to using standard interrupts
- Improve GICv3 pseudo-NMI support to deal with both non-secure and secure
priorities on arm64
- Convert the GIC/GICv3 drivers to using HW-based irq retrigger
- A sprinkling of dev_err_probe() conversion
- A set of NVIDIA Tegra fixes for interrupt hierarchy corruption
- A reset fix for the Loongson HTVEC driver
- A couple of error handling fixes in the TI SCI drivers
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Merge tag 'irqchip-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier:
Core changes:
- Allow irq retriggering to follow a hierarchy
- Allow interrupt hierarchies to be trimmed at allocation time
- Allow interrupts to be hidden from /proc/interrupts (IPIs)
- Introduce stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER
- New per-cpu IPI handling flow
Architecture changes:
- Move arm/arm64 IPI handling to the core interrupt code, removing
the home brewed accounting
Driver updates:
- New driver for the MStar (and more recently Mediatek) platforms
- New driver for the Actions Owl SIRQ controller
- New driver for the TI PRUSS infrastructure
- Wake-up support for the Qualcomm PDC controller
- Primary interrupt controller support for the Designware APB ICTL
- Convert the IPI code for GIC, GICv3, hip04, armada-270-xp and bcm2836
to using standard interrupts
- Improve GICv3 pseudo-NMI support to deal with both non-secure and secure
priorities on arm64
- Convert the GIC/GICv3 drivers to using HW-based irq retrigger
- A sprinkling of dev_err_probe() conversion
- A set of NVIDIA Tegra fixes for interrupt hierarchy corruption
- A reset fix for the Loongson HTVEC driver
- A couple of error handling fixes in the TI SCI drivers
sysfs-pci and sysfs-tagging were mis-filed: their locations within
Documentation/ implied that they were related to file systems. Actually,
each topic is about a very specific *use* of sysfs, and sysfs *happens*
to be a (virtual) filesystem, so this is not really the right place.
It's jarring to be reading about filesystems in general and then come
across these specific details about PCI, and tagging...and then back to
general filesystems again.
Move sysfs-pci to PCI, and move sysfs-tagging to networking. (Thanks to
Jonathan Corbet for coming up with the final locations.)
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Link: https://lore.kernel.org/r/20201009070128.118639-1-jhubbard@nvidia.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
These controllers are based on the DW APB SSI IP-core and embedded into
the SoC, so two of them are equipped with IRQ, DMA, 64 words FIFOs and 4
native CS, while another one as being utilized by the Baikal-T1 System
Boot Controller has got a very limited resources: no IRQ, no DMA, only a
single native chip-select and just 8 bytes Tx/Rx FIFOs available. That's
why we have to mark the IRQ to be optional for the later interface.
The SPI controller embedded into the Baikal-T1 System Boot Controller can
be also used to directly access an external SPI flash by means of a
dedicated FSM. The corresponding MMIO region availability is switchable by
the embedded multiplexor, which phandle can be specified in the dts node.
* We added a new example to test out the non-standard Baikal-T1 System
Boot SPI Controller DT binding.
Co-developed-by: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
Signed-off-by: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201007235511.4935-21-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Mark Brown <broonie@kernel.org>
Venus needs to vote for the performance state of a power domain (cx)
to be able to support DVFS. This 'cx' power domain is controlled by
rpmh and is a common power domain (scalable) not specific to
venus alone. This is optional in the sense that, leaving this power
domain out does not really impact the functionality but just makes
the platform a little less power efficient.
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
PVT controller (MR75203) is used to configure & control
Moortec embedded analog IP which contains temprature sensor(TS),
voltage monitor(VM) & process detector(PD) modules.
Add DT bindings schema for PVT controller.
Signed-off-by: Rahul Tanwar <rahul.tanwar@linux.intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/b540b49ca47d75c5f716f8a4e4eed0664a1116bf.1601889876.git.rahul.tanwar@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some boards might have a regulator that control the +VS supply, add it
to the bindings.
Signed-off-by: Alban Bedel <alban.bedel@aerq.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201001145738.17326-3-alban.bedel@aerq.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
In order to automate the verification of DT nodes convert lm75.txt to
lm75.yaml.
Signed-off-by: Alban Bedel <alban.bedel@aerq.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201001145738.17326-2-alban.bedel@aerq.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Pull networking fixes from David Miller:
1) Make sure SKB control block is in the proper state during IPSEC
ESP-in-TCP encapsulation. From Sabrina Dubroca.
2) Various kinds of attributes were not being cloned properly when we
build new xfrm_state objects from existing ones. Fix from Antony
Antony.
3) Make sure to keep BTF sections, from Tony Ambardar.
4) TX DMA channels need proper locking in lantiq driver, from Hauke
Mehrtens.
5) Honour route MTU during forwarding, always. From Maciej
Żenczykowski.
6) Fix races in kTLS which can result in crashes, from Rohit
Maheshwari.
7) Skip TCP DSACKs with rediculous sequence ranges, from Priyaranjan
Jha.
8) Use correct address family in xfrm state lookups, from Herbert Xu.
9) A bridge FDB flush should not clear out user managed fdb entries
with the ext_learn flag set, from Nikolay Aleksandrov.
10) Fix nested locking of netdev address lists, from Taehee Yoo.
11) Fix handling of 32-bit DATA_FIN values in mptcp, from Mat Martineau.
12) Fix r8169 data corruptions on RTL8402 chips, from Heiner Kallweit.
13) Don't free command entries in mlx5 while comp handler could still be
running, from Eran Ben Elisha.
14) Error flow of request_irq() in mlx5 is busted, due to an off by one
we try to free and IRQ never allocated. From Maor Gottlieb.
15) Fix leak when dumping netlink policies, from Johannes Berg.
16) Sendpage cannot be performed when a page is a slab page, or the page
count is < 1. Some subsystems such as nvme were doing so. Create a
"sendpage_ok()" helper and use it as needed, from Coly Li.
17) Don't leak request socket when using syncookes with mptcp, from
Paolo Abeni.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (111 commits)
net/core: check length before updating Ethertype in skb_mpls_{push,pop}
net: mvneta: fix double free of txq->buf
net_sched: check error pointer in tcf_dump_walker()
net: team: fix memory leak in __team_options_register
net: typhoon: Fix a typo Typoon --> Typhoon
net: hinic: fix DEVLINK build errors
net: stmmac: Modify configuration method of EEE timers
tcp: fix syn cookied MPTCP request socket leak
libceph: use sendpage_ok() in ceph_tcp_sendpage()
scsi: libiscsi: use sendpage_ok() in iscsi_tcp_segment_map()
drbd: code cleanup by using sendpage_ok() to check page for kernel_sendpage()
tcp: use sendpage_ok() to detect misused .sendpage
nvme-tcp: check page by sendpage_ok() before calling kernel_sendpage()
net: add WARN_ONCE in kernel_sendpage() for improper zero-copy send
net: introduce helper sendpage_ok() in include/linux/net.h
net: usb: pegasus: Proper error handing when setting pegasus' MAC address
net: core: document two new elements of struct net_device
netlink: fix policy dump leak
net/mlx5e: Fix race condition on nhe->n pointer in neigh update
net/mlx5e: Fix VLAN create flow
...
Building the kernel with Clang doesn't rely on third party patches, and
has not for a few years now.
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20200929211936.580805-1-ndesaulniers@google.com
[jc: Took out duplicated "docs" pointed out by Randy]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Muchun Song