Commit Graph

61044 Commits

Author SHA1 Message Date
Linus Torvalds 35697d81a7 Kbuild fixes for v6.1 (2nd)
- Use POSIX-compatible grep option.
 
  - Document git-related tips for reproducible builds.
 
  - Fix a typo in the modpost rule.
 
  - Suppress SIGPIPE error message from gcc-ar and llvm-ar.
 
  - Fix segmentation fault in the menuconfig search.
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Merge tag 'kbuild-fixes-v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Use POSIX-compatible grep options

 - Document git-related tips for reproducible builds

 - Fix a typo in the modpost rule

 - Suppress SIGPIPE error message from gcc-ar and llvm-ar

 - Fix segmentation fault in the menuconfig search

* tag 'kbuild-fixes-v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kconfig: fix segmentation fault in menuconfig search
  kbuild: fix SIGPIPE error message for AR=gcc-ar and AR=llvm-ar
  kbuild: fix typo in modpost
  Documentation: kbuild: Add description of git for reproducible builds
  kbuild: use POSIX-compatible grep option
2022-11-06 12:23:10 -08:00
Linus Torvalds 089d1c3122 ARM:
* Fix the pKVM stage-1 walker erronously using the stage-2 accessor
 
 * Correctly convert vcpu->kvm to a hyp pointer when generating
   an exception in a nVHE+MTE configuration
 
 * Check that KVM_CAP_DIRTY_LOG_* are valid before enabling them
 
 * Fix SMPRI_EL1/TPIDR2_EL0 trapping on VHE
 
 * Document the boot requirements for FGT when entering the kernel
   at EL1
 
 x86:
 
 * Use SRCU to protect zap in __kvm_set_or_clear_apicv_inhibit()
 
 * Make argument order consistent for kvcalloc()
 
 * Userspace API fixes for DEBUGCTL and LBRs
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
"ARM:

   - Fix the pKVM stage-1 walker erronously using the stage-2 accessor

   - Correctly convert vcpu->kvm to a hyp pointer when generating an
     exception in a nVHE+MTE configuration

   - Check that KVM_CAP_DIRTY_LOG_* are valid before enabling them

   - Fix SMPRI_EL1/TPIDR2_EL0 trapping on VHE

   - Document the boot requirements for FGT when entering the kernel at
     EL1

  x86:

   - Use SRCU to protect zap in __kvm_set_or_clear_apicv_inhibit()

   - Make argument order consistent for kvcalloc()

   - Userspace API fixes for DEBUGCTL and LBRs"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: Fix a typo about the usage of kvcalloc()
  KVM: x86: Use SRCU to protect zap in __kvm_set_or_clear_apicv_inhibit()
  KVM: VMX: Ignore guest CPUID for host userspace writes to DEBUGCTL
  KVM: VMX: Fold vmx_supported_debugctl() into vcpu_supported_debugctl()
  KVM: VMX: Advertise PMU LBRs if and only if perf supports LBRs
  arm64: booting: Document our requirements for fine grained traps with SME
  KVM: arm64: Fix SMPRI_EL1/TPIDR2_EL0 trapping on VHE
  KVM: Check KVM_CAP_DIRTY_LOG_{RING, RING_ACQ_REL} prior to enabling them
  KVM: arm64: Fix bad dereference on MTE-enabled systems
  KVM: arm64: Use correct accessor to parse stage-1 PTEs
2022-11-06 10:46:59 -08:00
Paolo Bonzini f4298cac2b Merge tag 'kvmarm-fixes-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
* Fix the pKVM stage-1 walker erronously using the stage-2 accessor

* Correctly convert vcpu->kvm to a hyp pointer when generating
  an exception in a nVHE+MTE configuration

* Check that KVM_CAP_DIRTY_LOG_* are valid before enabling them

* Fix SMPRI_EL1/TPIDR2_EL0 trapping on VHE

* Document the boot requirements for FGT when entering the kernel
  at EL1
2022-11-06 03:30:49 -05:00
Linus Torvalds b208b9fbbc arm64 fixes:
- Avoid kprobe recursion when cortex_a76_erratum_1463225_debug_handler()
   is not inlined (change to __always_inline).
 
 - Fix the visibility of compat hwcaps, broken by recent changes to
   consolidate the visibility of hwcaps and the user-space view of the ID
   registers.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Avoid kprobe recursion when cortex_a76_erratum_1463225_debug_handler()
   is not inlined (change to __always_inline).

 - Fix the visibility of compat hwcaps, broken by recent changes to
   consolidate the visibility of hwcaps and the user-space view of the
   ID registers.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: cpufeature: Fix the visibility of compat hwcaps
  arm64: entry: avoid kprobe recursion
2022-11-04 19:52:24 -07:00
Linus Torvalds 74f3f1d79a A documentation fix and driver fixes for piix4, tegra, and i801
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Merge tag 'i2c-for-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "A documentation fix and driver fixes for piix4, tegra, and i801"

* tag 'i2c-for-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  Documentation: devres: add missing I2C helper
  i2c: i801: add lis3lv02d's I2C address for Vostro 5568
  i2c: tegra: Allocate DMA memory for DMA engine
  i2c: piix4: Fix adapter not be removed in piix4_remove()
2022-11-04 19:42:25 -07:00
Linus Torvalds 10d916c86e ARM: SoC fixes for 6.1, part 2
There are not a lot of important fixes for the soc tree yet this
 time, but it's time to upstream what I got so far:
 
  - DT Fixes for Arm Juno and ST-Ericsson Ux500 to add missing critical
    temperature points
 
  - A number of fixes for the Arm SCMI firmware, addressing correctness
    issues in the code, in particular error handling and resource leaks.
 
  - One error handling fix for the new i.MX93 power domain driver
 
  - Several devicetree fixes for NXP i.MX6/8/9 and Layerscape chips,
    fixing incorrect or missing DT properties for MDIO controller nodes,
    CPLD, USB and regulators for various boards, as well as some
    fixes for DT schema checks.
 
  - MAINTAINERS file updates for HiSilicon LPC Bus and Broadcom git URLs
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Merge tag 'soc-fixes-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "There are not a lot of important fixes for the soc tree yet this time,
  but it's time to upstream what I got so far:

   - DT Fixes for Arm Juno and ST-Ericsson Ux500 to add missing critical
     temperature points

   - A number of fixes for the Arm SCMI firmware, addressing correctness
     issues in the code, in particular error handling and resource
     leaks.

   - One error handling fix for the new i.MX93 power domain driver

   - Several devicetree fixes for NXP i.MX6/8/9 and Layerscape chips,
     fixing incorrect or missing DT properties for MDIO controller
     nodes, CPLD, USB and regulators for various boards, as well as some
     fixes for DT schema checks.

   - MAINTAINERS file updates for HiSilicon LPC Bus and Broadcom git
     URLs"

* tag 'soc-fixes-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (26 commits)
  arm64: dts: juno: Add thermal critical trip points
  firmware: arm_scmi: Fix deferred_tx_wq release on error paths
  firmware: arm_scmi: Fix devres allocation device in virtio transport
  firmware: arm_scmi: Make Rx chan_setup fail on memory errors
  firmware: arm_scmi: Make tx_prepare time out eventually
  firmware: arm_scmi: Suppress the driver's bind attributes
  firmware: arm_scmi: Cleanup the core driver removal callback
  MAINTAINERS: Update HiSilicon LPC BUS Driver maintainer
  ARM: dts: ux500: Add trips to battery thermal zones
  arm64: dts: ls208xa: specify clock frequencies for the MDIO controllers
  arm64: dts: ls1088a: specify clock frequencies for the MDIO controllers
  arm64: dts: lx2160a: specify clock frequencies for the MDIO controllers
  soc: imx: imx93-pd: Fix the error handling path of imx93_pd_probe()
  arm64: dts: imx93: correct gpio-ranges
  arm64: dts: imx93: correct s4mu interrupt names
  dt-bindings: power: gpcv2: add power-domains property
  arm64: dts: imx8: correct clock order
  ARM: dts: imx6dl-yapp4: Do not allow PM to switch PU regulator off on Q/QP
  ARM: dts: imx6qdl-gw59{10,13}: fix user pushbutton GPIO offset
  arm64: dts: imx8mn: Correct the usb power domain
  ...
2022-11-04 14:13:12 -07:00
Amit Daniel Kachhap 85f1506337 arm64: cpufeature: Fix the visibility of compat hwcaps
Commit 237405ebef ("arm64: cpufeature: Force HWCAP to be based on the
sysreg visible to user-space") forced the hwcaps to use sanitised
user-space view of the id registers. However, the ID register structures
used to select few compat cpufeatures (vfp, crc32, ...) are masked and
hence such hwcaps do not appear in /proc/cpuinfo anymore for PER_LINUX32
personality.

Add the ID register structures explicitly and set the relevant entry as
visible. As these ID registers are now of type visible so make them
available in 64-bit userspace by making necessary changes in register
emulation logic and documentation.

While at it, update the comment for structure ftr_generic_32bits[] which
lists the ID register that use it.

Fixes: 237405ebef ("arm64: cpufeature: Force HWCAP to be based on the sysreg visible to user-space")
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: James Morse <james.morse@arm.com>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Link: https://lore.kernel.org/r/20221103082232.19189-1-amit.kachhap@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-11-03 18:04:56 +00:00
Yang Yingliang 8e987f1f4d Documentation: devres: add missing I2C helper
Add missing devm_i2c_add_adapter() to devres.rst. It's introduced by
commit 07740c92ae ("i2c: core: add managed function for adding i2c
adapters").

Fixes: 07740c92ae ("i2c: core: add managed function for adding i2c adapters")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-11-02 21:16:38 +01:00
Linus Torvalds 8f71a2b3f4 Four small fixes for the docs tree.
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Merge tag 'docs-6.1-fixes' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "Four small fixes for the docs tree"

* tag 'docs-6.1-fixes' of git://git.lwn.net/linux:
  docs/process/howto: Replace C89 with C11
  Documentation: Fix spelling mistake in hacking.rst
  Documentation: process: replace outdated LTS table w/ link
  tracing/histogram: Update document for KEYS_MAX size
2022-11-01 15:11:42 -07:00
Mark Brown be0ddf5293 arm64: booting: Document our requirements for fine grained traps with SME
With SME we require that fine grained traps on access to TPIDR2_EL0 and
SMPRI_EL1 are disabled but did not document that fact. Add the relevant
register bits.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221101112716.52035-2-broonie@kernel.org
2022-11-01 19:30:34 +00:00
Arnd Bergmann c872f6ce22 i.MX fixes for 6.1:
- Fix imx93-pd driver to release resources when error occurs in probe.
 - A series from Ioana Ciornei to add missing clock frequencies for MDIO
   controllers on LayerScape SoCs, so that the kernel driver can work
   independently from bootloader.
 - A series from Li Jun to fix USB power domain setup in i.MX8MM/N device
   trees.
 - Fix CPLD_Dn pull configuration for MX8Menlo board to avoid interfering
   with CPLD power off functionality.
 - Fix ctrl_sleep_moci GPIO setup for verdin-imx8mp board.
 - Fix DT schema check warnings on uSDHC clocks for imx8-ss-conn device
   tree.
 - Fix up gpcv2 DT bindings to have an optional `power-domains` property.
 - A couple of i.MX93 device tree fixes on S4MU interrupt and gpio-ranges
   of GPIO controllers.
 - Keep PU regulator on for Quad and QuadPlus based imx6dl-yapp4 boards to
   work around a hardware design flaw in supply voltage distribution.
 - Fix user push-button GPIO offset on imx6qdl-gw59 boards.
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Merge tag 'imx-fixes-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 6.1:

- Fix imx93-pd driver to release resources when error occurs in probe.
- A series from Ioana Ciornei to add missing clock frequencies for MDIO
  controllers on LayerScape SoCs, so that the kernel driver can work
  independently from bootloader.
- A series from Li Jun to fix USB power domain setup in i.MX8MM/N device
  trees.
- Fix CPLD_Dn pull configuration for MX8Menlo board to avoid interfering
  with CPLD power off functionality.
- Fix ctrl_sleep_moci GPIO setup for verdin-imx8mp board.
- Fix DT schema check warnings on uSDHC clocks for imx8-ss-conn device
  tree.
- Fix up gpcv2 DT bindings to have an optional `power-domains` property.
- A couple of i.MX93 device tree fixes on S4MU interrupt and gpio-ranges
  of GPIO controllers.
- Keep PU regulator on for Quad and QuadPlus based imx6dl-yapp4 boards to
  work around a hardware design flaw in supply voltage distribution.
- Fix user push-button GPIO offset on imx6qdl-gw59 boards.

* tag 'imx-fixes-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: ls208xa: specify clock frequencies for the MDIO controllers
  arm64: dts: ls1088a: specify clock frequencies for the MDIO controllers
  arm64: dts: lx2160a: specify clock frequencies for the MDIO controllers
  soc: imx: imx93-pd: Fix the error handling path of imx93_pd_probe()
  arm64: dts: imx93: correct gpio-ranges
  arm64: dts: imx93: correct s4mu interrupt names
  dt-bindings: power: gpcv2: add power-domains property
  arm64: dts: imx8: correct clock order
  ARM: dts: imx6dl-yapp4: Do not allow PM to switch PU regulator off on Q/QP
  ARM: dts: imx6qdl-gw59{10,13}: fix user pushbutton GPIO offset
  arm64: dts: imx8mn: Correct the usb power domain
  arm64: dts: imx8mn: remove otg1 power domain dependency on hsio
  arm64: dts: imx8mm: correct usb power domains
  arm64: dts: imx8mm: remove otg1/2 power domain dependency on hsio
  arm64: dts: verdin-imx8mp: fix ctrl_sleep_moci
  arm64: dts: imx8mm: Enable CPLD_Dn pull down resistor on MX8Menlo

Link: https://lore.kernel.org/r/20221101031547.GB125525@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-11-01 12:20:41 +01:00
Linus Torvalds 3c339dbd13 23 hotfixes.
Eight fix pre-6.0 bugs and the remainder address issues which were
 introduced in the 6.1-rc merge cycle, or address issues which aren't
 considered sufficiently serious to warrant a -stable backport.
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Merge tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc hotfixes from Andrew Morton:
 "Eight fix pre-6.0 bugs and the remainder address issues which were
  introduced in the 6.1-rc merge cycle, or address issues which aren't
  considered sufficiently serious to warrant a -stable backport"

* tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits)
  mm: multi-gen LRU: move lru_gen_add_mm() out of IRQ-off region
  lib: maple_tree: remove unneeded initialization in mtree_range_walk()
  mmap: fix remap_file_pages() regression
  mm/shmem: ensure proper fallback if page faults
  mm/userfaultfd: replace kmap/kmap_atomic() with kmap_local_page()
  x86: fortify: kmsan: fix KMSAN fortify builds
  x86: asm: make sure __put_user_size() evaluates pointer once
  Kconfig.debug: disable CONFIG_FRAME_WARN for KMSAN by default
  x86/purgatory: disable KMSAN instrumentation
  mm: kmsan: export kmsan_copy_page_meta()
  mm: migrate: fix return value if all subpages of THPs are migrated successfully
  mm/uffd: fix vma check on userfault for wp
  mm: prep_compound_tail() clear page->private
  mm,madvise,hugetlb: fix unexpected data loss with MADV_DONTNEED on hugetlbfs
  mm/page_isolation: fix clang deadcode warning
  fs/ext4/super.c: remove unused `deprecated_msg'
  ipc/msg.c: fix percpu_counter use after free
  memory tier, sysfs: rename attribute "nodes" to "nodelist"
  MAINTAINERS: git://github.com -> https://github.com for nilfs2
  mm/kmemleak: prevent soft lockup in kmemleak_scan()'s object iteration loops
  ...
2022-10-29 17:49:33 -07:00
Peng Fan ef370d8cee dt-bindings: power: gpcv2: add power-domains property
Some pgc power-domain requires a parent power domain, so
add an optional power-domains property, otherwise there will be
dt check warning:
gpc@303a0000: pgc:power-domain@1: 'power-domains' does not match
any of the regexes: 'pinctrl-[0-9]+'

Fixes: 30af8513bd ("dt-bindings: power: add defines for i.MX8MM power domains")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-29 16:26:31 +08:00
Huang Ying 27d676a1c2 memory tier, sysfs: rename attribute "nodes" to "nodelist"
In sysfs, we use attribute name "cpumap" or "cpus" for cpu mask and
"cpulist" or "cpus_list" for cpu list.  For example, in my system,

 $ cat /sys/devices/system/node/node0/cpumap
 f,ffffffff
 $ cat /sys/devices/system/cpu/cpu2/topology/core_cpus
 0,00100004
 $ cat cat /sys/devices/system/node/node0/cpulist
 0-35
 $ cat /sys/devices/system/cpu/cpu2/topology/core_cpus_list
 2,20

It looks reasonable to use "nodemap" for node mask and "nodelist" for
node list.  So, rename the attribute to follow the naming convention.

Link: https://lkml.kernel.org/r/20221020015122.290097-1-ying.huang@intel.com
Fixes: 9832fb8783 ("mm/demotion: expose memory tier details via sysfs")
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Acked-by: Wei Xu <weixugc@google.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Hesham Almatary <hesham.almatary@huawei.com>
Cc: Jagdish Gediya <jvgediya.oss@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tim Chen <tim.c.chen@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-10-28 13:37:22 -07:00
Linus Torvalds 2eb72d85ac hardening fixes for v6.1-rc3
- Fix older Clang vs recent overflow KUnit test additions. (Nick
   Desaulniers, Kees Cook)
 
 - Fix kern-doc visibility for overflow helpers. (Kees Cook)
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Merge tag 'hardening-v6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening fixes from Kees Cook:

 - Fix older Clang vs recent overflow KUnit test additions (Nick
   Desaulniers, Kees Cook)

 - Fix kern-doc visibility for overflow helpers (Kees Cook)

* tag 'hardening-v6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  overflow: Refactor test skips for Clang-specific issues
  overflow: disable failing tests for older clang versions
  overflow: Fix kern-doc markup for functions
2022-10-27 12:31:57 -07:00
Linus Torvalds 7f9a7cd690 media fixes for v6.1-rc3
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Merge tag 'media/v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:
 "A bunch of patches addressing issues in the vivid driver and adding
  new checks in V4L2 to validate the input parameters from some ioctls"

* tag 'media/v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: vivid.rst: loop_video is set on the capture devnode
  media: vivid: set num_in/outputs to 0 if not supported
  media: vivid: drop GFP_DMA32
  media: vivid: fix control handler mutex deadlock
  media: videodev2.h: V4L2_DV_BT_BLANKING_HEIGHT should check 'interlaced'
  media: v4l2-dv-timings: add sanity checks for blanking values
  media: vivid: dev->bitmap_cap wasn't freed in all cases
  media: vivid: s_fbuf: add more sanity checks
2022-10-27 12:21:57 -07:00
Dan Li 114ff6fe6c Documentation: kbuild: Add description of git for reproducible builds
The status of git will affect the final compilation result, add it to
the documentation of reproducible builds.

Signed-off-by: Dan Li <ashimida@linux.alibaba.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-10-28 00:16:29 +09:00
Kees Cook 31970608a6 overflow: Fix kern-doc markup for functions
Fix the kern-doc markings for several of the overflow helpers and move
their location into the core kernel API documentation, where it belongs
(it's not driver-specific).

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: linux-hardening@vger.kernel.org
Reviewed-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
2022-10-25 14:57:42 -07:00
Hans Verkuil de547896aa media: vivid.rst: loop_video is set on the capture devnode
The example on how to use and test Capture Overlay specified
the wrong video device node. Back in 2015 the loop_video control
moved from the output device to the capture device, but this
example code is still referring to the output video device.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-10-25 16:43:54 +01:00
Linus Torvalds 337a0a0b63 Including fixes from bpf.
Current release - regressions:
 
  - eth: fman: re-expose location of the MAC address to userspace,
    apparently some udev scripts depended on the exact value
 
 Current release - new code bugs:
 
  - bpf:
    - wait for busy refill_work when destroying bpf memory allocator
    - allow bpf_user_ringbuf_drain() callbacks to return 1
    - fix dispatcher patchable function entry to 5 bytes nop
 
 Previous releases - regressions:
 
  - net-memcg: avoid stalls when under memory pressure
 
  - tcp: fix indefinite deferral of RTO with SACK reneging
 
  - tipc: fix a null-ptr-deref in tipc_topsrv_accept
 
  - eth: macb: specify PHY PM management done by MAC
 
  - tcp: fix a signed-integer-overflow bug in tcp_add_backlog()
 
 Previous releases - always broken:
 
  - eth: amd-xgbe: SFP fixes and compatibility improvements
 
 Misc:
 
  - docs: netdev: offer performance feedback to contributors
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.1-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf.

  The net-memcg fix stands out, the rest is very run-off-the-mill. Maybe
  I'm biased.

  Current release - regressions:

   - eth: fman: re-expose location of the MAC address to userspace,
     apparently some udev scripts depended on the exact value

  Current release - new code bugs:

   - bpf:
       - wait for busy refill_work when destroying bpf memory allocator
       - allow bpf_user_ringbuf_drain() callbacks to return 1
       - fix dispatcher patchable function entry to 5 bytes nop

  Previous releases - regressions:

   - net-memcg: avoid stalls when under memory pressure

   - tcp: fix indefinite deferral of RTO with SACK reneging

   - tipc: fix a null-ptr-deref in tipc_topsrv_accept

   - eth: macb: specify PHY PM management done by MAC

   - tcp: fix a signed-integer-overflow bug in tcp_add_backlog()

  Previous releases - always broken:

   - eth: amd-xgbe: SFP fixes and compatibility improvements

  Misc:

   - docs: netdev: offer performance feedback to contributors"

* tag 'net-6.1-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (37 commits)
  net-memcg: avoid stalls when under memory pressure
  tcp: fix indefinite deferral of RTO with SACK reneging
  tcp: fix a signed-integer-overflow bug in tcp_add_backlog()
  net: lantiq_etop: don't free skb when returning NETDEV_TX_BUSY
  net: fix UAF issue in nfqnl_nf_hook_drop() when ops_init() failed
  docs: netdev: offer performance feedback to contributors
  kcm: annotate data-races around kcm->rx_wait
  kcm: annotate data-races around kcm->rx_psock
  net: fman: Use physical address for userspace interfaces
  net/mlx5e: Cleanup MACsec uninitialization routine
  atlantic: fix deadlock at aq_nic_stop
  nfp: only clean `sp_indiff` when application firmware is unloaded
  amd-xgbe: add the bit rate quirk for Molex cables
  amd-xgbe: fix the SFP compliance codes check for DAC cables
  amd-xgbe: enable PLL_CTL for fixed PHY modes only
  amd-xgbe: use enums for mailbox cmd and sub_cmds
  amd-xgbe: Yellow carp devices do not need rrc
  bpf: Use __llist_del_all() whenever possbile during memory draining
  bpf: Wait for busy refill_work when destroying bpf memory allocator
  MAINTAINERS: add keyword match on PTP
  ...
2022-10-24 12:43:51 -07:00
Linus Torvalds 74d5b415a5 Some pin control fixes for v6.1:
- Fix typos in UART1 and MMC in the Ingenic driver.
 
 - A really well researched glitch bug fix to the Qualcomm driver
   that was tracked down and fixed by Dough Anderson from
   Chromium. Hats off for this one!
 
 - Revert two patches on the Xilinx ZynqMP driver: this needs a
   proper solution making use of firmware version information to
   adapt to different firmware releases.
 
 - Fix interrupt triggers in the Ocelot driver.
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Merge tag 'pinctrl-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:

 - Fix typos in UART1 and MMC in the Ingenic driver

 - A really well researched glitch bug fix to the Qualcomm driver that
   was tracked down and fixed by Dough Anderson from Chromium. Hats off
   for this one!

 - Revert two patches on the Xilinx ZynqMP driver: this needs a proper
   solution making use of firmware version information to adapt to
   different firmware releases

 - Fix interrupt triggers in the Ocelot driver

* tag 'pinctrl-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: ocelot: Fix incorrect trigger of the interrupt.
  Revert "dt-bindings: pinctrl-zynqmp: Add output-enable configuration"
  Revert "pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high-impedance"
  pinctrl: qcom: Avoid glitching lines when we first mux to output
  pinctrl: Ingenic: JZ4755 bug fixes
2022-10-24 11:48:30 -07:00
Akira Yokosawa 2f3f53d623 docs/process/howto: Replace C89 with C11
Commit e8c07082a8 ("Kbuild: move to -std=gnu11") updated
process/programming-language.rst, but failed to update
process/howto.rst.

Update howto.rst and resolve the inconsistency.

Fixes: e8c07082a8 ("Kbuild: move to -std=gnu11")
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Federico Vaga <federico.vaga@vaga.pv.it>
Cc: Alex Shi <alexs@kernel.org>
Cc: Hu Haowen <src.res@email.cn>
Cc: Tsugikazu Shibata <shibata@linuxfoundation.org>
Link: https://lore.kernel.org/r/20221015092201.32099-1-akiyks@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-10-24 11:27:51 -06:00
Mushahid Hussain e648174b53 Documentation: Fix spelling mistake in hacking.rst
Fix `botton half locks` to `bottom half locks`.

Signed-off-by: Mushahid Hussain <mushi.shar@gmail.com>
Link: https://lore.kernel.org/r/20221017112026.88324-1-mushi.shar@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-10-24 11:27:51 -06:00
Nick Desaulniers ea522496af Documentation: process: replace outdated LTS table w/ link
The existing table was a bit outdated.

3.16 was EOL in 2020.
4.4 was EOL in 2022.

5.10 is new in 2020.
5.15 is new in 2021.

We'll see if 6.1 becomes LTS in 2022.

Rather than keep this table updated, it does duplicate information from
multiple kernel.org pages. Make one less duplication site that needs to
be updated and simply refer to the kernel.org page on releases.

Suggested-by: Tyler Hicks <code@tyhicks.com>
Suggested-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/stable/20221014171040.849726-1-ndesaulniers%40google.com
Reviewed-by: Tyler Hicks (Microsoft) <code@tyhicks.com>
Link: https://lore.kernel.org/r/20221014171040.849726-1-ndesaulniers@google.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-10-24 11:27:01 -06:00
Jakub Kicinski c5884ef477 docs: netdev: offer performance feedback to contributors
Some of us gotten used to producing large quantities of peer feedback
at work, every 3 or 6 months. Extending the same courtesy to community
members seems like a logical step. It may be hard for some folks to
get validation of how important their work is internally, especially
at smaller companies which don't employ many kernel experts.

The concept of "peer feedback" may be a hyperscaler / silicon valley
thing so YMMV. Hopefully we can build more context as we go.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-10-24 11:03:44 +01:00
Linus Torvalds d47136c280 hwmon fixes for v6.1-rc2
- corsair-psu: Fix typo in USB id description, and add USB ID for new PSU
 
 - pwm-fan: Fix fan power handling when disabling fan control
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Merge tag 'hwmon-for-v6.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - corsair-psu: Fix typo in USB id description, and add USB ID for new
   PSU

 - pwm-fan: Fix fan power handling when disabling fan control

* tag 'hwmon-for-v6.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (corsair-psu) Add USB id of the new HX1500i psu
  hwmon: (pwm-fan) Explicitly switch off fan power when setting pwm1_enable to 0
  hwmon: (corsair-psu) fix typo in USB id description
2022-10-22 16:04:34 -07:00
Linus Torvalds 3272eb1ace media fixes for v6.1-rc2
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Merge tag 'media/v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull missed media updates from Mauro Carvalho Chehab:
 "It seems I screwed-up my previous pull request: it ends up that only
  half of the media patches that were in linux-next got merged in -rc1.

  The script which creates the signed tags silently failed due to
  5.19->6.0 so it ended generating a tag with incomplete stuff.

  So here are the missing parts:

   - a DVB core security fix

   - lots of fixes and cleanups for atomisp staging driver

   - old drivers that are VB1 are being moved to staging to be
     deprecated

   - several driver updates - mostly for embedded systems, but there are
     also some things addressing issues with some PC webcams, in the UVC
     video driver"

* tag 'media/v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (163 commits)
  media: sun6i-csi: Move csi buffer definition to main header file
  media: sun6i-csi: Introduce and use video helper functions
  media: sun6i-csi: Add media ops with link notify callback
  media: sun6i-csi: Remove controls handler from the driver
  media: sun6i-csi: Register the media device after creation
  media: sun6i-csi: Pass and store csi device directly in video code
  media: sun6i-csi: Tidy up video code
  media: sun6i-csi: Tidy up v4l2 code
  media: sun6i-csi: Tidy up Kconfig
  media: sun6i-csi: Use runtime pm for clocks and reset
  media: sun6i-csi: Define and use variant to get module clock rate
  media: sun6i-csi: Always set exclusive module clock rate
  media: sun6i-csi: Tidy up platform code
  media: sun6i-csi: Refactor main driver data structures
  media: sun6i-csi: Define and use driver name and (reworked) description
  media: cedrus: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun8i-rotate: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun8i-di: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun4i-csi: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun6i-csi: Add a Kconfig dependency on RESET_CONTROLLER
  ...
2022-10-22 15:30:15 -07:00
Wilken Gottwalt 5619c66091 hwmon: (corsair-psu) Add USB id of the new HX1500i psu
Also update the documentation accordingly.

Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/Y0FghqQCHG/cX5Jz@monster.localdomain
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2022-10-22 06:59:12 -07:00
Linus Torvalds 9d6e681d33 ACPI fixes for 6.1-rc2
- Add missing device reference counting to acpi_get_pci_dev() after
    changing it recently (Rafael Wysocki).
 
  - Fix resource list walk in acpi_dma_get_range() (Robin Murphy).
 
  - Add IRQ override quirk for LENOVO IdeaPad and extend the IRQ
    override warning message (Jiri Slaby).
 
  - Fix integer overflow in ghes_estatus_pool_init() (Ashish Kalra).
 
  - Fix multiple error records handling in one of the ACPI extlog driver
    code paths (Tony Luck).
 
  - Prune DSDT override documentation from index after dropping it (Bagas
    Sanjaya).
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Merge tag 'acpi-6.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These fix issues introduced during this merge window (ACPI/PCI, device
  enumeration and documentation) and some other ones found recently.

  Specifics:

   - Add missing device reference counting to acpi_get_pci_dev() after
     changing it recently (Rafael Wysocki)

   - Fix resource list walk in acpi_dma_get_range() (Robin Murphy)

   - Add IRQ override quirk for LENOVO IdeaPad and extend the IRQ
     override warning message (Jiri Slaby)

   - Fix integer overflow in ghes_estatus_pool_init() (Ashish Kalra)

   - Fix multiple error records handling in one of the ACPI extlog
     driver code paths (Tony Luck)

   - Prune DSDT override documentation from index after dropping it
     (Bagas Sanjaya)"

* tag 'acpi-6.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: scan: Fix DMA range assignment
  ACPI: PCI: Fix device reference counting in acpi_get_pci_dev()
  ACPI: resource: note more about IRQ override
  ACPI: resource: do IRQ override on LENOVO IdeaPad
  ACPI: extlog: Handle multiple records
  ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()
  Documentation: ACPI: Prune DSDT override documentation from index
2022-10-21 18:08:30 -07:00
Linus Torvalds d4b7332eef block-6.1-2022-10-20
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Merge tag 'block-6.1-2022-10-20' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Christoph:
      - fix nvme-hwmon for DMA non-cohehrent architectures (Serge Semin)
      - add a nvme-hwmong maintainer (Christoph Hellwig)
      - fix error pointer dereference in error handling (Dan Carpenter)
      - fix invalid memory reference in nvmet_subsys_attr_qid_max_show
        (Daniel Wagner)
      - don't limit the DMA segment size in nvme-apple (Russell King)
      - fix workqueue MEM_RECLAIM flushing dependency (Sagi Grimberg)
      - disable write zeroes on various Kingston SSDs (Xander Li)

 - fix a memory leak with block device tracing (Ye)

 - flexible-array fix for ublk (Yushan)

 - document the ublk recovery feature from this merge window
   (ZiyangZhang)

 - remove dead bfq variable in struct (Yuwei)

 - error handling rq clearing fix (Yu)

 - add an IRQ safety check for the cached bio freeing (Pavel)

 - drbd bio cloning fix (Christoph)

* tag 'block-6.1-2022-10-20' of git://git.kernel.dk/linux:
  blktrace: remove unnessary stop block trace in 'blk_trace_shutdown'
  blktrace: fix possible memleak in '__blk_trace_remove'
  blktrace: introduce 'blk_trace_{start,stop}' helper
  bio: safeguard REQ_ALLOC_CACHE bio put
  block, bfq: remove unused variable for bfq_queue
  drbd: only clone bio if we have a backing device
  ublk_drv: use flexible-array member instead of zero-length array
  nvmet: fix invalid memory reference in nvmet_subsys_attr_qid_max_show
  nvmet: fix workqueue MEM_RECLAIM flushing dependency
  nvme-hwmon: kmalloc the NVME SMART log buffer
  nvme-hwmon: consistently ignore errors from nvme_hwmon_init
  nvme: add Guenther as nvme-hwmon maintainer
  nvme-apple: don't limit DMA segement size
  nvme-pci: disable write zeroes on various Kingston SSD
  nvme: fix error pointer dereference in error handling
  Documentation: document ublk user recovery feature
  blk-mq: fix null pointer dereference in blk_mq_clear_rq_mapping()
2022-10-21 15:14:14 -07:00
Rafael J. Wysocki 3f8deab61e Merge branches 'acpi-scan', 'acpi-resource', 'acpi-apei', 'acpi-extlog' and 'acpi-docs'
Merge assorted ACPI fixes for 6.1-rc2:

 - Fix resource list walk in acpi_dma_get_range() (Robin Murphy).

 - Add IRQ override quirk for LENOVO IdeaPad and extend the IRQ
   override warning message (Jiri Slaby).

 - Fix integer overflow in ghes_estatus_pool_init() (Ashish Kalra).

 - Fix multiple error records handling in one of the ACPI extlog driver
   code paths (Tony Luck).

 - Prune DSDT override documentation from index after dropping it (Bagas
   Sanjaya).

* acpi-scan:
  ACPI: scan: Fix DMA range assignment

* acpi-resource:
  ACPI: resource: note more about IRQ override
  ACPI: resource: do IRQ override on LENOVO IdeaPad

* acpi-apei:
  ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()

* acpi-extlog:
  ACPI: extlog: Handle multiple records

* acpi-docs:
  Documentation: ACPI: Prune DSDT override documentation from index
2022-10-21 20:07:41 +02:00
Linus Torvalds 6d36c728bc Networking fixes for 6.1-rc2, including fixes from netfilter
Current release - regressions:
   - revert "net: fix cpu_max_bits_warn() usage in netif_attrmask_next{,_and}"
 
   - revert "net: sched: fq_codel: remove redundant resource cleanup in fq_codel_init()"
 
   - dsa: uninitialized variable in dsa_slave_netdevice_event()
 
   - eth: sunhme: uninitialized variable in happy_meal_init()
 
 Current release - new code bugs:
   - eth: octeontx2: fix resource not freed after malloc
 
 Previous releases - regressions:
   - sched: fix return value of qdisc ingress handling on success
 
   - sched: fix race condition in qdisc_graft()
 
   - udp: update reuse->has_conns under reuseport_lock.
 
   - tls: strp: make sure the TCP skbs do not have overlapping data
 
   - hsr: avoid possible NULL deref in skb_clone()
 
   - tipc: fix an information leak in tipc_topsrv_kern_subscr
 
   - phylink: add mac_managed_pm in phylink_config structure
 
   - eth: i40e: fix DMA mappings leak
 
   - eth: hyperv: fix a RX-path warning
 
   - eth: mtk: fix memory leaks
 
 Previous releases - always broken:
   - sched: cake: fix null pointer access issue when cake_init() fails
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Merge tag 'net-6.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from netfilter.

  Current release - regressions:

   - revert "net: fix cpu_max_bits_warn() usage in
     netif_attrmask_next{,_and}"

   - revert "net: sched: fq_codel: remove redundant resource cleanup in
     fq_codel_init()"

   - dsa: uninitialized variable in dsa_slave_netdevice_event()

   - eth: sunhme: uninitialized variable in happy_meal_init()

  Current release - new code bugs:

   - eth: octeontx2: fix resource not freed after malloc

  Previous releases - regressions:

   - sched: fix return value of qdisc ingress handling on success

   - sched: fix race condition in qdisc_graft()

   - udp: update reuse->has_conns under reuseport_lock.

   - tls: strp: make sure the TCP skbs do not have overlapping data

   - hsr: avoid possible NULL deref in skb_clone()

   - tipc: fix an information leak in tipc_topsrv_kern_subscr

   - phylink: add mac_managed_pm in phylink_config structure

   - eth: i40e: fix DMA mappings leak

   - eth: hyperv: fix a RX-path warning

   - eth: mtk: fix memory leaks

  Previous releases - always broken:

   - sched: cake: fix null pointer access issue when cake_init() fails"

* tag 'net-6.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (43 commits)
  net: phy: dp83822: disable MDI crossover status change interrupt
  net: sched: fix race condition in qdisc_graft()
  net: hns: fix possible memory leak in hnae_ae_register()
  wwan_hwsim: fix possible memory leak in wwan_hwsim_dev_new()
  sfc: include vport_id in filter spec hash and equal()
  genetlink: fix kdoc warnings
  selftests: add selftest for chaining of tc ingress handling to egress
  net: Fix return value of qdisc ingress handling on success
  net: sched: sfb: fix null pointer access issue when sfb_init() fails
  Revert "net: sched: fq_codel: remove redundant resource cleanup in fq_codel_init()"
  net: sched: cake: fix null pointer access issue when cake_init() fails
  ethernet: marvell: octeontx2 Fix resource not freed after malloc
  netfilter: nf_tables: relax NFTA_SET_ELEM_KEY_END set flags requirements
  netfilter: rpfilter/fib: Set ->flowic_uid correctly for user namespaces.
  ionic: catch NULL pointer issue on reconfig
  net: hsr: avoid possible NULL deref in skb_clone()
  bnxt_en: fix memory leak in bnxt_nvm_test()
  ip6mr: fix UAF issue in ip6mr_sk_done() when addrconf_init_net() failed
  udp: Update reuse->has_conns under reuseport_lock.
  net: ethernet: mediatek: ppe: Remove the unused function mtk_foe_entry_usable()
  ...
2022-10-20 17:24:59 -07:00
Zheng Yejian a635beeacc tracing/histogram: Update document for KEYS_MAX size
After commit 4f36c2d85c ("tracing: Increase tracing map KEYS_MAX size"),
'keys' supports up to three fields.

Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Cc: stable@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20221017103806.2479139-1-zhengyejian1@huawei.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-10-18 15:41:56 -06:00
Milan Broz dc3efedf9f dm verity: Add documentation for try_verify_in_tasklet option
Add documentation that was missing from commit 5721d4e5a9 ("dm
verity: Add optional "try_verify_in_tasklet" feature").

Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2022-10-18 17:17:48 -04:00
ZiyangZhang e0539ae012 Documentation: document ublk user recovery feature
Add documentation for user recovery feature of ublk subsystem.

Signed-off-by: ZiyangZhang <ZiyangZhang@linux.alibaba.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20221018045346.99706-2-ZiyangZhang@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-10-18 05:12:26 -07:00
Sai Krishna Potthuri ff8356060e Revert "dt-bindings: pinctrl-zynqmp: Add output-enable configuration"
This reverts commit 133ad0d9af.

On systems with older PMUFW (Xilinx ZynqMP Platform Management Firmware)
using these pinctrl properties can cause system hang because there is
missing feature autodetection.
When this feature is implemented, support for these two properties should
bring back.

Cc: stable@vger.kernel.org
Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20221017130303.21746-3-sai.krishna.potthuri@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-10-18 09:50:29 +02:00
Linus Torvalds f1947d7c8a Random number generator fixes for Linux 6.1-rc1.
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Merge tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull more random number generator updates from Jason Donenfeld:
 "This time with some large scale treewide cleanups.

  The intent of this pull is to clean up the way callers fetch random
  integers. The current rules for doing this right are:

   - If you want a secure or an insecure random u64, use get_random_u64()

   - If you want a secure or an insecure random u32, use get_random_u32()

     The old function prandom_u32() has been deprecated for a while
     now and is just a wrapper around get_random_u32(). Same for
     get_random_int().

   - If you want a secure or an insecure random u16, use get_random_u16()

   - If you want a secure or an insecure random u8, use get_random_u8()

   - If you want secure or insecure random bytes, use get_random_bytes().

     The old function prandom_bytes() has been deprecated for a while
     now and has long been a wrapper around get_random_bytes()

   - If you want a non-uniform random u32, u16, or u8 bounded by a
     certain open interval maximum, use prandom_u32_max()

     I say "non-uniform", because it doesn't do any rejection sampling
     or divisions. Hence, it stays within the prandom_*() namespace, not
     the get_random_*() namespace.

     I'm currently investigating a "uniform" function for 6.2. We'll see
     what comes of that.

  By applying these rules uniformly, we get several benefits:

   - By using prandom_u32_max() with an upper-bound that the compiler
     can prove at compile-time is ≤65536 or ≤256, internally
     get_random_u16() or get_random_u8() is used, which wastes fewer
     batched random bytes, and hence has higher throughput.

   - By using prandom_u32_max() instead of %, when the upper-bound is
     not a constant, division is still avoided, because
     prandom_u32_max() uses a faster multiplication-based trick instead.

   - By using get_random_u16() or get_random_u8() in cases where the
     return value is intended to indeed be a u16 or a u8, we waste fewer
     batched random bytes, and hence have higher throughput.

  This series was originally done by hand while I was on an airplane
  without Internet. Later, Kees and I worked on retroactively figuring
  out what could be done with Coccinelle and what had to be done
  manually, and then we split things up based on that.

  So while this touches a lot of files, the actual amount of code that's
  hand fiddled is comfortably small"

* tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  prandom: remove unused functions
  treewide: use get_random_bytes() when possible
  treewide: use get_random_u32() when possible
  treewide: use get_random_{u8,u16}() when possible, part 2
  treewide: use get_random_{u8,u16}() when possible, part 1
  treewide: use prandom_u32_max() when possible, part 2
  treewide: use prandom_u32_max() when possible, part 1
2022-10-16 15:27:07 -07:00
Linus Torvalds 5964c927b4 This is very quiet release for LEDs, pca963 got blinking support and
that's pretty much it.
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Merge tag 'leds-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:
 "This is very quiet release for LEDs, pca963 got blinking support and
  that's pretty much it"

* tag 'leds-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
  leds: pca963: fix misleading indentation
  dt-bindings: leds: Document mmc trigger
  leds: pca963x: fix blink with hw acceleration
2022-10-14 13:14:03 -07:00
Linus Torvalds bd9a3dba18 PSI updates for v6.1:
- Various performance optimizations, resulting in a 4%-9% speedup
    in the mmtests/config-scheduler-perfpipe micro-benchmark.
 
  - New interface to turn PSI on/off on a per cgroup level.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-psi-2022-10-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull PSI updates from Ingo Molnar:

 - Various performance optimizations, resulting in a 4%-9% speedup in
   the mmtests/config-scheduler-perfpipe micro-benchmark.

 - New interface to turn PSI on/off on a per cgroup level.

* tag 'sched-psi-2022-10-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/psi: Per-cgroup PSI accounting disable/re-enable interface
  sched/psi: Cache parent psi_group to speed up group iteration
  sched/psi: Consolidate cgroup_psi()
  sched/psi: Add PSI_IRQ to track IRQ/SOFTIRQ pressure
  sched/psi: Remove NR_ONCPU task accounting
  sched/psi: Optimize task switch inside shared cgroups again
  sched/psi: Move private helpers to sched/stats.h
  sched/psi: Save percpu memory when !psi_cgroups_enabled
  sched/psi: Don't create cgroup PSI files when psi_disabled
  sched/psi: Fix periodic aggregation shut off
2022-10-14 13:03:00 -07:00
Linus Torvalds 1df046ab1c arm64 fixes:
- Cortex-A55 errata workaround (repeat TLBI).
 
 - AMPERE1 added to the Spectre-BHB affected list.
 
 - MTE fix to avoid setting PG_mte_tagged if no tags have been touched on
   a page.
 
 - Fixed typo in the SCTLR_EL1.SPINTMASK bit naming (the commit log has
   other typos).
 
 - perf: return value check in ali_drw_pmu_probe(),
   ALIBABA_UNCORE_DRW_PMU dependency on ACPI.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Cortex-A55 errata workaround (repeat TLBI)

 - AMPERE1 added to the Spectre-BHB affected list

 - MTE fix to avoid setting PG_mte_tagged if no tags have been touched
   on a page

 - Fixed typo in the SCTLR_EL1.SPINTMASK bit naming (the commit log has
   other typos)

 - perf: return value check in ali_drw_pmu_probe(),
   ALIBABA_UNCORE_DRW_PMU dependency on ACPI

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Add AMPERE1 to the Spectre-BHB affected list
  arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored
  MAINTAINERS: rectify file entry in ALIBABA PMU DRIVER
  drivers/perf: ALIBABA_UNCORE_DRW_PMU should depend on ACPI
  drivers/perf: fix return value check in ali_drw_pmu_probe()
  arm64: errata: Add Cortex-A55 to the repeat tlbi list
  arm64/sysreg: Fix typo in SCTR_EL1.SPINTMASK
2022-10-14 12:38:03 -07:00
Linus Torvalds 498574970f RISC-V Patches for the 6.1 Merge Window, Part 2
* A handful of DT updates for the PolarFire SOC.
 * A fix to correct the handling of write-only mappings.
 * m{vetndor,arcd,imp}id is now in /proc/cpuinfo
 * The SiFive L2 cache controller support has been refactored to also
   support L3 caches.
 
 There's also a handful of fixes, cleanups and improvements throughout
 the tree.
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Merge tag 'riscv-for-linus-6.1-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:

 - DT updates for the PolarFire SOC

 - a fix to correct the handling of write-only mappings

 - m{vetndor,arcd,imp}id is now in /proc/cpuinfo

 - the SiFive L2 cache controller support has been refactored to also
   support L3 caches

 - misc fixes, cleanups and improvements throughout the tree

* tag 'riscv-for-linus-6.1-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (42 commits)
  MAINTAINERS: add RISC-V's patchwork
  RISC-V: Make port I/O string accessors actually work
  riscv: enable software resend of irqs
  RISC-V: Re-enable counter access from userspace
  riscv: vdso: fix NULL deference in vdso_join_timens() when vfork
  riscv: Add cache information in AUX vector
  soc: sifive: ccache: define the macro for the register shifts
  soc: sifive: ccache: use pr_fmt() to remove CCACHE: prefixes
  soc: sifive: ccache: reduce printing on init
  soc: sifive: ccache: determine the cache level from dts
  soc: sifive: ccache: Rename SiFive L2 cache to Composable cache.
  dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache
  riscv: check for kernel config option in t-head memory types errata
  riscv: use BIT() marco for cpufeature probing
  riscv: use BIT() macros in t-head errata init
  riscv: drop some idefs from CMO initialization
  riscv: cleanup svpbmt cpufeature probing
  riscv: Pass -mno-relax only on lld < 15.0.0
  RISC-V: Avoid dereferening NULL regs in die()
  dt-bindings: riscv: add new riscv,isa strings for emulators
  ...
2022-10-14 11:21:11 -07:00
Krzysztof Kozlowski 0c93411795 MAINTAINERS: nfc: s3fwrn5: Drop Krzysztof Opasiak
Emails to Krzysztof Opasiak bounce ("Recipient address rejected: User
unknown") so drop his email from maintainers of s3fwrn5 NFC bindings and
driver.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-10-14 09:14:49 +01:00
Linus Torvalds 6d84c258e8 Devicetree fixes for v6.1-rc, part 1:
- Fixes for Mediatek MT6370 binding
 
 - Merge the DT overlay maintainer entry to the main entry as Pantelis is
   not active and Frank is taking a step back
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Merge tag 'devicetree-fixes-for-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Fixes for Mediatek MT6370 binding

 - Merge the DT overlay maintainer entry to the main entry as Pantelis
   is not active and Frank is taking a step back

* tag 'devicetree-fixes-for-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  MAINTAINERS: of: collapse overlay entry into main device tree entry
  dt-bindings: mfd: mt6370: fix the interrupt order of the charger in the example
  dt-bindings: leds: mt6370: Fix MT6370 LED indicator DT warning
2022-10-13 12:22:42 -07:00
Bagas Sanjaya 83439a0f1c Documentation: ACPI: Prune DSDT override documentation from index
Commit d206cef03c ("ACPI: docs: Drop useless DSDT override documentation")
removes useless DSDT override documentation. However, the commit forgets
to prune the documentation entry from table of contents of ACPI admin
guide documentation, hence triggers Sphinx warning:

Documentation/admin-guide/acpi/index.rst:8: WARNING: toctree contains reference to nonexisting document 'admin-guide/acpi/dsdt-override'

Prune the entry to fix the warning.

Fixes: d206cef03c ("ACPI: docs: Drop useless DSDT override documentation")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-10-13 20:33:12 +02:00
Palmer Dabbelt 1a5a2cbd21
Merge patch series "Use composable cache instead of L2 cache"
Zong Li <zong.li@sifive.com> says:

Since composable cache may be L3 cache if private L2 cache exists, we
should use its original name "composable cache" to prevent confusion.

This patchset contains the modification which is related to ccache, such
as DT binding and EDAC driver.

* b4-shazam-merge:
  riscv: Add cache information in AUX vector
  soc: sifive: ccache: define the macro for the register shifts
  soc: sifive: ccache: use pr_fmt() to remove CCACHE: prefixes
  soc: sifive: ccache: reduce printing on init
  soc: sifive: ccache: determine the cache level from dts
  soc: sifive: ccache: Rename SiFive L2 cache to Composable cache.
  dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache

Link: https://lore.kernel.org/r/20220913061817.22564-1-zong.li@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-10-13 11:07:13 -07:00
Zong Li 44dce4b084
dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache
Since composable cache may be L3 cache if private L2 cache exists, we
should use its original name Composable cache to prevent confusion.

Signed-off-by: Zong Li <zong.li@sifive.com>
Suggested-by: Conor Dooley <conor.dooley@microchip.com>
Suggested-by: Ben Dooks <ben.dooks@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220913061817.22564-2-zong.li@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-10-13 11:06:50 -07:00
Linus Torvalds f2b220ef93 A handful of relatively simple documentation fixes, plus a set of patches
catching the Chinese translation up with the front-page rework.
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Merge tag 'docs-6.1-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of relatively simple documentation fixes, plus a set of
  patches catching the Chinese translation up with the front-page
  rework"

* tag 'docs-6.1-2' of git://git.lwn.net/linux:
  Documentation: rtla: Correct command line example
  docs/zh_CN: add a man-pages link to zh_CN/index.rst
  docs/zh_CN: Rewrite the Chinese translation front page
  docs/zh_CN: add zh_CN/arch.rst
  docs/zh_CN: promote the title of zh_CN/process/index.rst
  docs/zh_CN: Update the translation of page_owner to 6.0-rc7
  docs/zh_CN: Update the translation of ksm to 6.0-rc7
  docs/howto: Replace abundoned URL of gmane.org
  Documentation: ubifs: Fix compression idiom
  Documentation/mm/page_owner.rst: delete frequently changing experimental data
  docs/zh_CN: Fix build warning
  docs: ftrace: Correct access mode
2022-10-13 10:58:32 -07:00
Linus Torvalds 66ae04368e Including fixes from netfilter, and wifi.
Current release - regressions:
 
  - Revert "net/sched: taprio: make qdisc_leaf() see
    the per-netdev-queue pfifo child qdiscs", it may cause crashes
    when the qdisc is reconfigured
 
  - inet: ping: fix splat due to packet allocation refactoring in inet
 
  - tcp: clean up kernel listener's reqsk in inet_twsk_purge(),
    fix UAF due to races when per-netns hash table is used
 
 Current release - new code bugs:
 
  - eth: adin1110: check in netdev_event that netdev belongs to driver
 
  - fixes for PTR_ERR() vs NULL bugs in driver code, from Dan and co.
 
 Previous releases - regressions:
 
  - ipv4: handle attempt to delete multipath route when fib_info
    contains an nh reference, avoid oob access
 
  - wifi: fix handful of bugs in the new Multi-BSSID code
 
  - wifi: mt76: fix rate reporting / throughput regression on mt7915
    and newer, fix checksum offload
 
  - wifi: iwlwifi: mvm: fix double list_add at
    iwl_mvm_mac_wake_tx_queue (other cases)
 
  - wifi: mac80211: do not drop packets smaller than the LLC-SNAP
    header on fast-rx
 
 Previous releases - always broken:
 
  - ieee802154: don't warn zero-sized raw_sendmsg()
 
  - ipv6: ping: fix wrong checksum for large frames
 
  - mctp: prevent double key removal and unref
 
  - tcp/udp: fix memory leaks and races around IPV6_ADDRFORM
 
  - hv_netvsc: fix race between VF offering and VF association message
 
 Misc:
 
  - remove -Warray-bounds silencing in the drivers, compilers fixed
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter, and wifi.

Current release - regressions:

   - Revert "net/sched: taprio: make qdisc_leaf() see the
     per-netdev-queue pfifo child qdiscs", it may cause crashes when the
     qdisc is reconfigured

   - inet: ping: fix splat due to packet allocation refactoring in inet

   - tcp: clean up kernel listener's reqsk in inet_twsk_purge(), fix UAF
     due to races when per-netns hash table is used

  Current release - new code bugs:

   - eth: adin1110: check in netdev_event that netdev belongs to driver

   - fixes for PTR_ERR() vs NULL bugs in driver code, from Dan and co.

  Previous releases - regressions:

   - ipv4: handle attempt to delete multipath route when fib_info
     contains an nh reference, avoid oob access

   - wifi: fix handful of bugs in the new Multi-BSSID code

   - wifi: mt76: fix rate reporting / throughput regression on mt7915
     and newer, fix checksum offload

   - wifi: iwlwifi: mvm: fix double list_add at
     iwl_mvm_mac_wake_tx_queue (other cases)

   - wifi: mac80211: do not drop packets smaller than the LLC-SNAP
     header on fast-rx

  Previous releases - always broken:

   - ieee802154: don't warn zero-sized raw_sendmsg()

   - ipv6: ping: fix wrong checksum for large frames

   - mctp: prevent double key removal and unref

   - tcp/udp: fix memory leaks and races around IPV6_ADDRFORM

   - hv_netvsc: fix race between VF offering and VF association message

  Misc:

   - remove -Warray-bounds silencing in the drivers, compilers fixed"

* tag 'net-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (73 commits)
  sunhme: fix an IS_ERR() vs NULL check in probe
  net: marvell: prestera: fix a couple NULL vs IS_ERR() checks
  kcm: avoid potential race in kcm_tx_work
  tcp: Clean up kernel listener's reqsk in inet_twsk_purge()
  net: phy: micrel: Fixes FIELD_GET assertion
  openvswitch: add nf_ct_is_confirmed check before assigning the helper
  tcp: Fix data races around icsk->icsk_af_ops.
  ipv6: Fix data races around sk->sk_prot.
  tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct().
  udp: Call inet6_destroy_sock() in setsockopt(IPV6_ADDRFORM).
  tcp/udp: Fix memory leak in ipv6_renew_options().
  mctp: prevent double key removal and unref
  selftests: netfilter: Fix nft_fib.sh for all.rp_filter=1
  netfilter: rpfilter/fib: Populate flowic_l3mdev field
  selftests: netfilter: Test reverse path filtering
  net/mlx5: Make ASO poll CQ usable in atomic context
  tcp: cdg: allow tcp_cdg_release() to be called multiple times
  inet: ping: fix recent breakage
  ipv6: ping: fix wrong checksum for large frames
  net: ethernet: ti: am65-cpsw: set correct devlink flavour for unused ports
  ...
2022-10-13 10:51:01 -07:00
Linus Torvalds 3d33e6dd5c linux-watchdog 6.1-rc1 tag
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Merge tag 'linux-watchdog-6.1-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - new driver for Exar/MaxLinear XR28V38x

 - support for exynosautov9 SoC

 - support for Renesas R-Car V5H (R8A779G0) and RZ/V2M (r9a09g011) SoC

 - support for imx93

 - several other fixes and improvements

* tag 'linux-watchdog-6.1-rc1' of git://www.linux-watchdog.org/linux-watchdog: (36 commits)
  watchdog: twl4030_wdt: add missing mod_devicetable.h include
  dt-bindings: watchdog: migrate mt7621 text bindings to YAML
  watchdog: sp5100_tco: Add "action" module parameter
  watchdog: imx93: add watchdog timer on imx93
  watchdog: imx7ulp_wdt: init wdog when it was active
  watchdog: imx7ulp_wdt: Handle wdog reconfigure failure
  watchdog: imx7ulp_wdt: Fix RCS timeout issue
  watchdog: imx7ulp_wdt: Check CMD32EN in wdog init
  watchdog: imx7ulp: Add explict memory barrier for unlock sequence
  watchdog: imx7ulp: Move suspend/resume to noirq phase
  watchdog: rti-wdt:using the pm_runtime_resume_and_get to simplify the code
  dt-bindings: watchdog: rockchip: add rockchip,rk3128-wdt
  watchdog: s3c2410_wdt: support exynosautov9 watchdog
  dt-bindings: watchdog: add exynosautov9 compatible
  watchdog: npcm: Enable clock if provided
  watchdog: meson: keep running if already active
  watchdog: dt-bindings: atmel,at91sam9-wdt: convert to json-schema
  watchdog: armada_37xx_wdt: Fix .set_timeout callback
  watchdog: sa1100: make variable sa1100dog_driver static
  watchdog: w83977f_wdt: Fix comment typo
  ...
2022-10-13 10:31:13 -07:00
Linus Torvalds 524d0c6882 A quiet round this time: several assorted filesystem fixes, the most
noteworthy one being some additional wakeups in cap handling code, and
 a messenger cleanup.
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Merge tag 'ceph-for-6.1-rc1' of https://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "A quiet round this time: several assorted filesystem fixes, the most
  noteworthy one being some additional wakeups in cap handling code, and
  a messenger cleanup"

* tag 'ceph-for-6.1-rc1' of https://github.com/ceph/ceph-client:
  ceph: remove Sage's git tree from documentation
  ceph: fix incorrectly showing the .snap size for stat
  ceph: fail the open_by_handle_at() if the dentry is being unlinked
  ceph: increment i_version when doing a setattr with caps
  ceph: Use kcalloc for allocating multiple elements
  ceph: no need to wait for transition RDCACHE|RD -> RD
  ceph: fail the request if the peer MDS doesn't support getvxattr op
  ceph: wake up the waiters if any new caps comes
  libceph: drop last_piece flag from ceph_msg_data_cursor
2022-10-13 10:21:37 -07:00