Commit graph

484 commits

Author SHA1 Message Date
Linus Torvalds
512b7931ad Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
 "257 patches.

  Subsystems affected by this patch series: scripts, ocfs2, vfs, and
  mm (slab-generic, slab, slub, kconfig, dax, kasan, debug, pagecache,
  gup, swap, memcg, pagemap, mprotect, mremap, iomap, tracing, vmalloc,
  pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, tools,
  memblock, oom-kill, hugetlbfs, migration, thp, readahead, nommu, ksm,
  vmstat, madvise, memory-hotplug, rmap, zsmalloc, highmem, zram,
  cleanups, kfence, and damon)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (257 commits)
  mm/damon: remove return value from before_terminate callback
  mm/damon: fix a few spelling mistakes in comments and a pr_debug message
  mm/damon: simplify stop mechanism
  Docs/admin-guide/mm/pagemap: wordsmith page flags descriptions
  Docs/admin-guide/mm/damon/start: simplify the content
  Docs/admin-guide/mm/damon/start: fix a wrong link
  Docs/admin-guide/mm/damon/start: fix wrong example commands
  mm/damon/dbgfs: add adaptive_targets list check before enable monitor_on
  mm/damon: remove unnecessary variable initialization
  Documentation/admin-guide/mm/damon: add a document for DAMON_RECLAIM
  mm/damon: introduce DAMON-based Reclamation (DAMON_RECLAIM)
  selftests/damon: support watermarks
  mm/damon/dbgfs: support watermarks
  mm/damon/schemes: activate schemes based on a watermarks mechanism
  tools/selftests/damon: update for regions prioritization of schemes
  mm/damon/dbgfs: support prioritization weights
  mm/damon/vaddr,paddr: support pageout prioritization
  mm/damon/schemes: prioritize regions within the quotas
  mm/damon/selftests: support schemes quotas
  mm/damon/dbgfs: support quotas of schemes
  ...
2021-11-06 14:08:17 -07:00
David Hildenbrand
6b740c6c3a mm/memory_hotplug: remove HIGHMEM leftovers
We don't support CONFIG_MEMORY_HOTPLUG on 32 bit and consequently not
HIGHMEM.  Let's remove any leftover code -- including the unused
"status_change_nid_high" field part of the memory notifier.

Link: https://lkml.kernel.org/r/20210929143600.49379-5-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Alex Shi <alexs@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-11-06 13:30:42 -07:00
Linus Torvalds
624ad333d4 This is a relatively unexciting cycle for documentation.
- Some small scripts/kerneldoc fixes
 
  - More Chinese translation work, but at a much reduced rate.
 
  - The tip-tree maintainer's handbook
 
 ...plus the usual array of build fixes, typo fixes, etc.
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Merge tag 'docs-5.16' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "This is a relatively unexciting cycle for documentation.

   - Some small scripts/kerneldoc fixes

   - More Chinese translation work, but at a much reduced rate.

   - The tip-tree maintainer's handbook

  ...plus the usual array of build fixes, typo fixes, etc"

* tag 'docs-5.16' of git://git.lwn.net/linux: (53 commits)
  kernel-doc: support DECLARE_PHY_INTERFACE_MASK()
  docs/zh_CN: add core-api xarray translation
  docs/zh_CN: add core-api assoc_array translation
  speakup: Fix typo in documentation "boo" -> "boot"
  docs: submitting-patches: make section about the Link: tag more explicit
  docs: deprecated.rst: Clarify open-coded arithmetic with literals
  scripts: documentation-file-ref-check: fix bpf selftests path
  scripts: documentation-file-ref-check: ignore hidden files
  coding-style.rst: trivial: fix location of driver model macros
  docs: f2fs: fix text alignment
  docs/zh_CN add PCI pci.rst translation
  docs/zh_CN add PCI index.rst translation
  docs: translations: zh_CN: memory-hotplug.rst: fix a typo
  docs: translations: zn_CN: irq-affinity.rst: add a missing extension
  block: add documentation for inflight
  scripts: kernel-doc: Ignore __alloc_size() attribute
  docs: pdfdocs: Adjust \headheight for fancyhdr
  docs: UML: user_mode_linux_howto_v2 edits
  docs: use the lore redirector everywhere
  docs: proc.rst: mountinfo: align columns
  ...
2021-11-02 22:11:39 -07:00
Linus Torvalds
595b28fb0c Locking updates:
- Move futex code into kernel/futex/ and split up the kitchen sink into
    seperate files to make integration of sys_futex_waitv() simpler.
 
  - Add a new sys_futex_waitv() syscall which allows to wait on multiple
    futexes. The main use case is emulating Windows' WaitForMultipleObjects
    which allows Wine to improve the performance of Windows Games. Also
    native Linux games can benefit from this interface as this is a common
    wait pattern for this kind of applications.
 
  - Add context to ww_mutex_trylock() to provide a path for i915 to rework
    their eviction code step by step without making lockdep upset until the
    final steps of rework are completed. It's also useful for regulator and
    TTM to avoid dropping locks in the non contended path.
 
  - Lockdep and might_sleep() cleanups and improvements
 
  - A few improvements for the RT substitutions.
 
  - The usual small improvements and cleanups.
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Merge tag 'locking-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Thomas Gleixner:

 - Move futex code into kernel/futex/ and split up the kitchen sink into
   seperate files to make integration of sys_futex_waitv() simpler.

 - Add a new sys_futex_waitv() syscall which allows to wait on multiple
   futexes.

   The main use case is emulating Windows' WaitForMultipleObjects which
   allows Wine to improve the performance of Windows Games. Also native
   Linux games can benefit from this interface as this is a common wait
   pattern for this kind of applications.

 - Add context to ww_mutex_trylock() to provide a path for i915 to
   rework their eviction code step by step without making lockdep upset
   until the final steps of rework are completed. It's also useful for
   regulator and TTM to avoid dropping locks in the non contended path.

 - Lockdep and might_sleep() cleanups and improvements

 - A few improvements for the RT substitutions.

 - The usual small improvements and cleanups.

* tag 'locking-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
  locking: Remove spin_lock_flags() etc
  locking/rwsem: Fix comments about reader optimistic lock stealing conditions
  locking: Remove rcu_read_{,un}lock() for preempt_{dis,en}able()
  locking/rwsem: Disable preemption for spinning region
  docs: futex: Fix kernel-doc references
  futex: Fix PREEMPT_RT build
  futex2: Documentation: Document sys_futex_waitv() uAPI
  selftests: futex: Test sys_futex_waitv() wouldblock
  selftests: futex: Test sys_futex_waitv() timeout
  selftests: futex: Add sys_futex_waitv() test
  futex,arm: Wire up sys_futex_waitv()
  futex,x86: Wire up sys_futex_waitv()
  futex: Implement sys_futex_waitv()
  futex: Simplify double_lock_hb()
  futex: Split out wait/wake
  futex: Split out requeue
  futex: Rename mark_wake_futex()
  futex: Rename: match_futex()
  futex: Rename: hb_waiter_{inc,dec,pending}()
  futex: Split out PI futex
  ...
2021-11-01 13:15:36 -07:00
Yanteng Si
75ca80e4c4 docs/zh_CN: add core-api xarray translation
Translate Documentation/core-api/xarray.rst into Chinese

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/2a125bcb3220e7c1b72ae87bcad1b225dd950338.1634358018.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-11-01 11:25:33 -06:00
Yanteng Si
5876a638c8 docs/zh_CN: add core-api assoc_array translation
Translate Documentation/core-api/assoc_array.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/860ac85d9a2a83c2b63eb8d1be929ad64280d7b2.1634358018.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-11-01 11:25:33 -06:00
Yanteng Si
5d045f9511 docs/zh_CN add PCI pci.rst translation
Translate ../PCI/pci.rst into Chinese

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/3f871a60421d4079421b4184fdeb789d92a5ea11.1635248253.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-26 09:26:22 -06:00
Yanteng Si
d9bfdf183b docs/zh_CN add PCI index.rst translation
Translate ../PCI/index.rst into Chinese

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/668466823fd2b66768553f12199bce74e8450f78.1635248253.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-26 09:26:22 -06:00
Mauro Carvalho Chehab
2df9f7f579 docs: translations: zh_CN: memory-hotplug.rst: fix a typo
memory_hotplug.rst -> memory-hotplug.rst

Fixes: 620127548a ("docs/zh_CN: add core api memory_hotplug translation")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/b22b772c23f531708a9bc025d56c0312a53bd6c9.1634630486.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-19 15:20:53 -06:00
Mauro Carvalho Chehab
9052e9c95d docs: translations: zn_CN: irq-affinity.rst: add a missing extension
Without .rst extension, ./scripts/documentation-file-ref-check will produce
a warning, and auto-generating cross-references by automarkup.py may not
work.

Fixes: 8137a49e15 ("docs/zh_CN: Modify the translator tag and fix the wrong word")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/22eadbe9fc99fffbd440714f2e4423a5519392a3.1634630486.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-19 15:20:05 -06:00
André Almeida
bc67f1c454 docs: futex: Fix kernel-doc references
Since the futex code was restructured, there's no futex.c file anymore
and the implementation is split in various files. Point kernel-doc
references to the new files.

Signed-off-by: André Almeida <andrealmeid@collabora.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20211012135549.14451-1-andrealmeid@collabora.com
2021-10-19 17:27:05 +02:00
Thorsten Leemhuis
a9d85efb25 docs: use the lore redirector everywhere
Change all links from using the lkml redirector to the lore redirector,
as the kernel.org admin recently indicated: we shouldn't be using
lkml.kernel.org anymore because the domain can create confusion, as it
indicates it is only valid for messages sent to the LKML; the convention
has been to use https://lore.kernel.org/r/msgid for this reason.

In this process also change three links from using http to https.

Link: https://lore.kernel.org/r/20211006170025.qw3glxvocczfuhar@meerkat.local
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@redhat.com>
CC: Borislav Petkov <bp@alien8.de>
CC: Hu Haowen <src.res@email.cn>
CC: Alex Shi <alexs@kernel.org>
CC: Federico Vaga <federico.vaga@vaga.pv.it>
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Link: https://lore.kernel.org/r/5bb55bac6ba10fafab19bf2b21572dd0e2f8cea2.1633593385.git.linux@leemhuis.info
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-12 13:58:19 -06:00
Jonathan Corbet
b718f9d919 Linux 5.15-rc4
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Merge tag 'v5.15-rc4' into docs-next

This is needed to get a docs fix that entered via the DRM tree; testers
have requested it so that PDF builds in docs-next work again.
2021-10-04 16:44:16 -06:00
Yanteng Si
9770a13265 docs/zh_CN: add core-api gfp_mask-from-fs-io translation
Translate Documentation/core-api/gfp_mask-from-fs-io.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/1d5d5a87d2eceb73b5554c8afb6c79e81b1e0f0e.1631846923.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:29:48 -06:00
Yanteng Si
71a6436880 docs/zh_CN: add core-api boot-time-mm translation
Translate Documentation/core-api/boot-time-mm.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Link: https://lore.kernel.org/r/d802b8d0163db57ad326f512eaa48ea3c9e44814.1631846923.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:29:48 -06:00
Yanteng Si
a4163902d0 docs/zh_CN: add core-api genalloc translation
Translate Documentation/core-api/genalloc.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/38d8e13b99152d0a8454db675c1c80fb5c640647.1631846923.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:29:48 -06:00
Yanteng Si
4d68c2c997 docs/zh_CN: add core-api mm-api translation
Translate Documentation/core-api/mm-api.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Link: https://lore.kernel.org/r/2c3d01adcdaf9ad393a9cfbb18c34d18afae6ed5.1631846923.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:29:48 -06:00
Yanteng Si
26f1a50f56 docs/zh_CN: add core-api unaligned-memory-access translation
Translate Documentation/core-api/unaligned-memory-access.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/4554b1ee13b94f4425141bf586ff8708c70358cf.1631846923.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:29:48 -06:00
Yanteng Si
e19af6e980 docs/zh_CN: add core-api memory-allocation translation
Translate Documentation/core-api/memory-allocation.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/e3d30d816be4404b1bd2c728ec70cd3c2d6e5def.1631846923.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:29:47 -06:00
Yanteng Si
92a19d8098 docs/zh_CN: modify some words
commit message in English, we better not give the Chinese readers a wrong guidance.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/c46432c5801edd44800e679dc34bce95c5e37f85.1632389476.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:26:31 -06:00
Yanteng Si
585e5159f3 docs/zh_CN: typo fix and improve translation
- fix a typo.
- modify some word to improve zh_CN/process/5.Posting.rst.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Link: https://lore.kernel.org/r/3adedda2b247be53defc9078104221f00b4c78cd.1632389476.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:26:31 -06:00
Yanteng Si
65a21ad044 docs/zh_CN: Improve zh_CN/process/howto.rst
- Improve grammar of zh_CN/process/howto.rst.
   - Resolve potential problems in documentation.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/587fca686d8d7aa828dec2d803bf9f5d59819c57.1632389476.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:26:30 -06:00
Yanteng Si
f1e6995310 docs/zh_CN: add core api kref translation
Translate Documentation/core-api/kref.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/20210923095559.983679-1-siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-27 11:25:22 -06:00
SeongJae Park
946c8fee6d Documentation: Update SeongJae's email address
This commit updates SeongJae's email addresses in documents to his
preferred one.

Signed-off-by: SeongJae Park <sj@kernel.org>
Link: https://lore.kernel.org/r/20210917122222.3109-1-sj@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-21 17:10:38 -06:00
Akira Yokosawa
242f4c77b1 docs: zh_TW/index: Move arm64/index to arch-specific section
arm64/index is architecture specific.
Move it to the section "特定體系結構文檔" or "Architecture-specific
documentation".

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Fixes: e5cb9494fe ("docs/zh_TW: add translations for zh_TW/arm64")
Cc: Hu Haowen <src.res@email.cn>
Link: https://lore.kernel.org/r/53d86385-b4db-5d02-be6b-795900166f17@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-14 15:15:43 -06:00
Junhua Huang
121ca40797 docs/zh_CN: Add zh_CN/admin-guide/sysrq.rst
Add translation zh_CN/admin-guide/sysrq.rst and link it to
zh_CN/admin-guide/index.rst while clean its todo entry.

Signed-off-by: Junhua Huang <huang.junhua@zte.com.cn>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Link: https://lore.kernel.org/r/20210910022531.243882-1-junhuahuangdream@163.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-09-14 15:13:54 -06:00
Linus Torvalds
316346243b Merge branch 'gcc-min-version-5.1' (make gcc-5.1 the minimum version)
Merge patch series from Nick Desaulniers to update the minimum gcc
version to 5.1.

This is some of the left-overs from the merge window that I didn't want
to deal with yesterday, so it comes in after -rc1 but was sent before.

Gcc-4.9 support has been an annoyance for some time, and with -Werror I
had the choice of applying a fairly big patch from Kees Cook to remove a
fair number of initializer warnings (still leaving some), or this patch
series from Nick that just removes the source of the problem.

The initializer cleanups might still be worth it regardless, but
honestly, I preferred just tackling the problem with gcc-4.9 head-on.
We've been more aggressiuve about no longer having to care about
compilers that were released a long time ago, and I think it's been a
good thing.

I added a couple of patches on top to sort out a few left-overs now that
we no longer support gcc-4.x.

As noted by Arnd, as a result of this minimum compiler version upgrade
we can probably change our use of '--std=gnu89' to '--std=gnu11', and
finally start using local loop declarations etc.  But this series does
_not_ yet do that.

Link: https://lore.kernel.org/all/20210909182525.372ee687@canb.auug.org.au/
Link: https://lore.kernel.org/lkml/CAK7LNASs6dvU6D3jL2GG3jW58fXfaj6VNOe55NJnTB8UPuk2pA@mail.gmail.com/
Link: https://github.com/ClangBuiltLinux/linux/issues/1438

* emailed patches from Nick Desaulniers <ndesaulniers@google.com>:
  Drop some straggling mentions of gcc-4.9 as being stale
  compiler_attributes.h: drop __has_attribute() support for gcc4
  vmlinux.lds.h: remove old check for GCC 4.9
  compiler-gcc.h: drop checks for older GCC versions
  Makefile: drop GCC < 5 -fno-var-tracking-assignments workaround
  arm64: remove GCC version check for ARCH_SUPPORTS_INT128
  powerpc: remove GCC version check for UPD_CONSTR
  riscv: remove Kconfig check for GCC version for ARCH_RV64I
  Kconfig.debug: drop GCC 5+ version check for DWARF5
  mm/ksm: remove old GCC 4.9+ check
  compiler.h: drop fallback overflow checkers
  Documentation: raise minimum supported version of GCC to 5.1
2021-09-13 10:43:04 -07:00
Linus Torvalds
df26327ea0 Drop some straggling mentions of gcc-4.9 as being stale
Fix up the admin-guide README file to the new gcc-5.1 requirement, and
remove a stale comment about gcc support for the __assume_aligned__
attribute.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-13 10:29:44 -07:00
Linus Torvalds
30f3490978 More power management updates for 5.15-rc1
- Add new cpufreq driver for the MediaTek MT6779 platform called
    mediatek-hw along with corresponding DT bindings (Hector.Yuan).
 
  - Add DCVS interrupt support to the qcom-cpufreq-hw driver (Thara
    Gopinath).
 
  - Make the qcom-cpufreq-hw driver set the dvfs_possible_from_any_cpu
    policy flag (Taniya Das).
 
  - Blocklist more Qualcomm platforms in cpufreq-dt-platdev (Bjorn
    Andersson).
 
  - Make the vexpress cpufreq driver set the CPUFREQ_IS_COOLING_DEV
    flag (Viresh Kumar).
 
  - Add new cpufreq driver callback to allow drivers to register
    with the Energy Model in a consistent way and make several
    drivers use it (Viresh Kumar).
 
  - Change the remaining users of the .ready() cpufreq driver callback
    to move the code from it elsewhere and drop it from the cpufreq
    core (Viresh Kumar).
 
  - Revert recent intel_pstate change adding HWP guaranteed performance
    change notification support to it that led to problems, because
    the notification in question is triggered prematurely on some
    systems (Rafael Wysocki).
 
  - Convert the OPP DT bindings to DT schema and clean them up while
    at it (Rob Herring).
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 74aQLham4TBO
 =WSpr
 -----END PGP SIGNATURE-----

Merge tag 'pm-5.15-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These are mostly ARM cpufreq driver updates, including one new
  MediaTek driver that has just passed all of the reviews, with the
  addition of a revert of a recent intel_pstate commit, some core
  cpufreq changes and a DT-related update of the operating performance
  points (OPP) support code.

  Specifics:

   - Add new cpufreq driver for the MediaTek MT6779 platform called
     mediatek-hw along with corresponding DT bindings (Hector.Yuan).

   - Add DCVS interrupt support to the qcom-cpufreq-hw driver (Thara
     Gopinath).

   - Make the qcom-cpufreq-hw driver set the dvfs_possible_from_any_cpu
     policy flag (Taniya Das).

   - Blocklist more Qualcomm platforms in cpufreq-dt-platdev (Bjorn
     Andersson).

   - Make the vexpress cpufreq driver set the CPUFREQ_IS_COOLING_DEV
     flag (Viresh Kumar).

   - Add new cpufreq driver callback to allow drivers to register with
     the Energy Model in a consistent way and make several drivers use
     it (Viresh Kumar).

   - Change the remaining users of the .ready() cpufreq driver callback
     to move the code from it elsewhere and drop it from the cpufreq
     core (Viresh Kumar).

   - Revert recent intel_pstate change adding HWP guaranteed performance
     change notification support to it that led to problems, because the
     notification in question is triggered prematurely on some systems
     (Rafael Wysocki).

   - Convert the OPP DT bindings to DT schema and clean them up while at
     it (Rob Herring)"

* tag 'pm-5.15-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
  Revert "cpufreq: intel_pstate: Process HWP Guaranteed change notification"
  cpufreq: mediatek-hw: Add support for CPUFREQ HW
  cpufreq: Add of_perf_domain_get_sharing_cpumask
  dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW
  cpufreq: Remove ready() callback
  cpufreq: sh: Remove sh_cpufreq_cpu_ready()
  cpufreq: acpi: Remove acpi_cpufreq_cpu_ready()
  cpufreq: qcom-hw: Set dvfs_possible_from_any_cpu cpufreq driver flag
  cpufreq: blocklist more Qualcomm platforms in cpufreq-dt-platdev
  cpufreq: qcom-cpufreq-hw: Add dcvs interrupt support
  cpufreq: scmi: Use .register_em() to register with energy model
  cpufreq: vexpress: Use .register_em() to register with energy model
  cpufreq: scpi: Use .register_em() to register with energy model
  dt-bindings: opp: Convert to DT schema
  dt-bindings: Clean-up OPP binding node names in examples
  ARM: dts: omap: Drop references to opp.txt
  cpufreq: qcom-cpufreq-hw: Use .register_em() to register with energy model
  cpufreq: omap: Use .register_em() to register with energy model
  cpufreq: mediatek: Use .register_em() to register with energy model
  cpufreq: imx6q: Use .register_em() to register with energy model
  ...
2021-09-08 16:38:25 -07:00
Linus Torvalds
0f4b9289ba Another collection of documentation patches, mostly fixes but also includes
another set of traditional Chinese translations.
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Merge tag 'docs-5.15-2' of git://git.lwn.net/linux

Pull more documentation updates from Jonathan Corbet:
 "Another collection of documentation patches, mostly fixes but also
  includes another set of traditional Chinese translations"

* tag 'docs-5.15-2' of git://git.lwn.net/linux:
  docs: pdfdocs: Fix typo in CJK-language specific font settings
  docs: kernel-hacking: Remove inappropriate text
  docs/zh_TW: add translations for zh_TW/filesystems
  docs/zh_TW: add translations for zh_TW/cpu-freq
  docs/zh_TW: add translations for zh_TW/arm64
  docs/zh_CN: Modify the translator tag and fix the wrong word
  Documentation/features/vm: correct huge-vmap APIs
  Documentation: block: blk-mq: Fix small typo in multi-queue docs
  Documentation: in_irq() cleanup
  Documentation: arm: marvell: Add 88F6825 model into list
  Documentation/process/maintainer-pgp-guide: Replace broken link to PGP path finder
  Documentation: locking: fix references
  Documentation: Update details of The Linux Kernel Module Programming Guide
  docs: x86: Remove obsolete information about x86_64 vmalloc() faulting
  Documentation/process/applying-patches: Activate linux-next man hyperlink
2021-09-08 16:28:14 -07:00
Linus Torvalds
14726903c8 Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
 "173 patches.

  Subsystems affected by this series: ia64, ocfs2, block, and mm (debug,
  pagecache, gup, swap, shmem, memcg, selftests, pagemap, mremap,
  bootmem, sparsemem, vmalloc, kasan, pagealloc, memory-failure,
  hugetlb, userfaultfd, vmscan, compaction, mempolicy, memblock,
  oom-kill, migration, ksm, percpu, vmstat, and madvise)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (173 commits)
  mm/madvise: add MADV_WILLNEED to process_madvise()
  mm/vmstat: remove unneeded return value
  mm/vmstat: simplify the array size calculation
  mm/vmstat: correct some wrong comments
  mm/percpu,c: remove obsolete comments of pcpu_chunk_populated()
  selftests: vm: add COW time test for KSM pages
  selftests: vm: add KSM merging time test
  mm: KSM: fix data type
  selftests: vm: add KSM merging across nodes test
  selftests: vm: add KSM zero page merging test
  selftests: vm: add KSM unmerge test
  selftests: vm: add KSM merge test
  mm/migrate: correct kernel-doc notation
  mm: wire up syscall process_mrelease
  mm: introduce process_mrelease system call
  memblock: make memblock_find_in_range method private
  mm/mempolicy.c: use in_task() in mempolicy_slab_node()
  mm/mempolicy: unify the create() func for bind/interleave/prefer-many policies
  mm/mempolicy: advertise new MPOL_PREFERRED_MANY
  mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY
  ...
2021-09-03 10:08:28 -07:00
Christoph Hellwig
f358afc52c mm: remove flush_kernel_dcache_page
flush_kernel_dcache_page is a rather confusing interface that implements a
subset of flush_dcache_page by not being able to properly handle page
cache mapped pages.

The only callers left are in the exec code as all other previous callers
were incorrect as they could have dealt with page cache pages.  Replace
the calls to flush_kernel_dcache_page with calls to flush_dcache_page,
which for all architectures does either exactly the same thing, can
contains one or more of the following:

 1) an optimization to defer the cache flush for page cache pages not
    mapped into userspace
 2) additional flushing for mapped page cache pages if cache aliases
    are possible

Link: https://lkml.kernel.org/r/20210712060928.4161649-7-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Cc: Alex Shi <alexs@kernel.org>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:13 -07:00
Viresh Kumar
4bf8e58211 cpufreq: Remove ready() callback
This isn't used anymore, get rid of it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2021-09-02 18:04:17 +02:00
Hu Haowen
bf608ebc36 docs/zh_TW: add translations for zh_TW/filesystems
Create new translations for zh_TW/filesystems and link them to index.

Signed-off-by: Hu Haowen <src.res@email.cn>
Link: https://lore.kernel.org/r/20210821094059.64300-3-src.res@email.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-24 13:36:59 -06:00
Hu Haowen
ac8fa1bdc0 docs/zh_TW: add translations for zh_TW/cpu-freq
Create new translations for zh_TW/cpu-freq and link them to index.

Signed-off-by: Hu Haowen <src.res@email.cn>
Link: https://lore.kernel.org/r/20210821094059.64300-2-src.res@email.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-24 13:36:59 -06:00
Hu Haowen
e5cb9494fe docs/zh_TW: add translations for zh_TW/arm64
Create new translations for zh_TW/arm64 and link them to index.

Signed-off-by: Hu Haowen <src.res@email.cn>
Link: https://lore.kernel.org/r/20210821094059.64300-1-src.res@email.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-24 13:36:59 -06:00
Yanteng Si
8137a49e15 docs/zh_CN: Modify the translator tag and fix the wrong word
Fix a wrong word;

Fix old Original tag;

Remove unnecessary blank lines;

Modify the translator tag to be consistent with the current.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/20210821081800.2205103-1-siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-24 13:34:07 -06:00
Changbin Du
fe450eeb4e Documentation: in_irq() cleanup
Replace the obsolete and ambiguos macro in_irq() with new
macro in_hardirq().

Signed-off-by: Changbin Du <changbin.du@gmail.com>

Link: https://lore.kernel.org/r/20210814014831.53083-1-changbin.du@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-24 13:28:23 -06:00
Akira Yokosawa
e0d14a5d2f docs: pdfdocs: Enable language-specific font choice of zh_TW translations
The "TC" variants are supposed to be the choice for traditional
Chinese documents.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Reviewed-by: Hu Haowen <src.res@email.cn>
Tested-by: Hu Haowen <src.res@email.cn>
Link: https://lore.kernel.org/r/9d8e8fa2-3e7a-3a0a-1a0d-7d797a605ff8@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 09:13:33 -06:00
Akira Yokosawa
788d28a257 docs: pdfdocs: Permit AutoFakeSlant for CJK fonts
Noto CJK fonts don't provide italic shapes.
The AutoFakeSlant option of fontspec and xeCJK packages can be used as
a workaround.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Link: https://lore.kernel.org/r/502335cc-9a95-3c2a-7744-6cc56ecaf628@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 09:13:33 -06:00
Akira Yokosawa
77abc2c230 docs: pdfdocs: One-half spacing for CJK translations
CJK documents are much easier to read with a wider baseline stretch.
Applying onehalfspacing option of "setspace" package looks reasonable.

Note: \usepackage{setspace} needs to be before that of hyperref in the
preamble.
The 'extrapackages' key (available since Sphinx 2.3) is for this purpose.
For systems with Sphinx < 2.3, dummy commands of \onehalfspacing and
\singlespacing are provided instead.
One-half spacing is not effective in LaTeX sources generated by such
revisions of Sphinx.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Link: https://lore.kernel.org/r/547a1f1c-0bb5-20a7-ea0e-951bfc3c3925@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 09:13:32 -06:00
Akira Yokosawa
a90dad8f61 docs: pdfdocs: Add conf.py local to translations for ascii-art alignment
Globally choosing "Noto Sans Mono CJK SC" would result in sub-optimal look
of literal blocks in Latin documents.
Therefore, localize the font choice to translations by adding conf.py under
Documentation/translations/.

The local conf.py is enabled when the command:

    make SPHINXDIRS=translations pdfdocs

is used to build the PDF.
Resulting translations.pdf (under Documentation/output/translations/pdf)
will have properly aligned ascii-art figures.

NOTE: There remain mis-aligned ascii-art figures in Korean translations.
This is due to the font designer's decision to assign slightly narrower
widths (920) to Hangul characters in "Noto Sans Mono CJK KR" than those
of Hanja (Hanzi/Kanji) characters (1000) [1].

[1]: https://github.com/googlefonts/noto-cjk/issues/17

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Link: https://lore.kernel.org/r/79a876fc-a552-f972-4a1b-c6df4cbb36dd@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 09:13:32 -06:00
Akira Yokosawa
e291ff6f5a docs: pdfdocs: Add CJK-language-specific font settings
zh_TW, ko_KR, and ja_JP translations have their preferred glyph sets
different from that of zh_CN.

To switch CJK font in the middle of the translations, introduce custom
LaTeX macros listed below:

    \kerneldocBeginSC
    \kerneldocEndSC
    \kerneldocBeginTC
    \kerneldocEndTC
    \kerneldocBeginKR
    \kerneldocEndKR
    \kerneldocBeginJP
    \kerneldocEndJP

, and embed a pair of macros in each language's index.rst.

NOTE 1: Update of zh_TW/index.rst is deferred to a follow-up change.

NOTE 2: Custom macros added here do not imply \kerneldocCJK(on|off).
This is intentional.  For example, \kerneldocCJKoff needs to be
at the top of Italian translations' index.rst for the footer of
final zh_TW page to be properly typeset.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Link: https://lore.kernel.org/r/31906baf-7490-68cd-7153-4e4d320fb9b0@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 09:13:32 -06:00
Yang Yang
4f3791c3fe docs/zh_CN: Add zh_CN/accounting/psi.rst
Add translation zh_CN/accounting/psi.rst and zh_CN/accounting/index.rst.

Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Link: https://lore.kernel.org/r/20210731084502.571451-1-yang.yang29@zte.com.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 08:56:58 -06:00
Federico Vaga
191cf329f1 doc: align Italian translation
Translation for the following patches

commit 0ca0d55526 ("docs/core-api: Consistent code style")
commit 9912d0bb9d ("docs: process: submitting-patches.rst: avoid using ReST :doc:`foo` markup")
commit 6349469a4f ("Documentation/submitting-patches: Document RESEND tag on patches")
commit dbbe7c962c ("docs: networking: drop special stable handling")
commit 7f3f7bfbbe ("docs: kernel-hacking: hacking.rst: avoid using ReST :doc:`foo` markup")
commit 6ab0493dfc ("deprecated.rst: Include details on "no_hash_pointers" ")
commit 77167b966b ("docs: submitting-patches: clarify the role of LKML ")

Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Link: https://lore.kernel.org/r/20210731085513.11820-1-federico.vaga@vaga.pv.it
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 08:55:26 -06:00
Yanteng Si
4d488433dc docs/zh_CN: add infiniband user_verbs translation
Translate Documentation/infiniband/user_verbs.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Puyu Wang <realpuyuwang@gmail.com>
Link: https://lore.kernel.org/r/b7c1577cf9758943bff933c46200c7dff1e1c6e0.1628218477.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 08:52:03 -06:00
Yanteng Si
0265e6ee2c docs/zh_CN: add infiniband user_mad translation
Translate Documentation/infiniband/user_mad.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Puyu Wang <realpuyuwang@gmail.com>
Link: https://lore.kernel.org/r/8859ef2b40b380d7db7548f2e6a2d6fd5397062d.1628218477.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 08:52:03 -06:00
Yanteng Si
cc420b883b docs/zh_CN: add infiniband tag_matching translation
Translate Documentation/infiniband/tag_matching.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Puyu Wang <realpuyuwang@gmail.com>
Link: https://lore.kernel.org/r/eaed122a0e5d0e3312cf5a495022a9d0be42a831.1628218477.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 08:52:03 -06:00
Yanteng Si
ccbad6a521 docs/zh_CN: add infiniband sysfs translation
Translate Documentation/infiniband/sysfs.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Puyu Wang <realpuyuwang@gmail.com>
Link: https://lore.kernel.org/r/dbd542628b71160f7bddd33a76cb77b127a9b826.1628218477.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 08:52:03 -06:00
Yanteng Si
e7c640961a docs/zh_CN: add infiniband opa_vnic translation
Translate Documentation/infiniband/opa_vnic.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Puyu Wang <realpuyuwang@gmail.com>
Link: https://lore.kernel.org/r/828550a6fb7fded8172c123c37d4c643d2593e53.1628218477.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12 08:52:03 -06:00