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2022-04-28Documentation: dev-tools: use literal block instead of code-blockFrank Rowand1-10/+8
KTAP Specification: Change code-block directives to straightforward literal blocks since the blocks do not contain code. Suggested-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Reviewed-by: David Gow <davidgow@google.com> Link: https://lore.kernel.org/r/20220316202622.324866-3-frowand.list@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-28docs/zh_CN: add vm numa translationYanteng Si2-1/+102
Translate .../vm/numa.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Alex Shi <alexs@kernel.org> Link: https://lore.kernel.org/r/65e5a38c3112fb1f9e126f1807fda2724ebf3312.1650794774.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-28docs/zh_CN: add vm hmm translationYanteng Si2-1/+362
Translate .../vm/hmm.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Alex Shi <alexs@kernel.org> Link: https://lore.kernel.org/r/6248f340dd43097d6517239e1f038165b9fef7cd.1650794774.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-28docs/ja_JP/index: update section title in JapaneseKosuke Fujimoto1-1/+1
Update section title "Japanese Translation" in Japanese. This change is to keep consistency with other translations. Signed-off-by: Kosuke Fujimoto <fujimotokosuke0@gmail.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Tsugikazu Shibata <shibata@linuxfoundation.org> Cc: Akira Yokosawa <akiyks@gmail.com> Cc: linux-doc@vger.kernel.org Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Link: https://lore.kernel.org/r/20220425124853.8347-1-fujimotokosuke0@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-28Documentation: devres: fix typo in interface listJohan Hovold1-1/+1
Fix the misspelled devm_get_clk_from_child() helper name in the devres interface list. Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Link: https://lore.kernel.org/r/20220427073142.16700-1-johan+linaro@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-28docs: submitting-patches: Fix crossref to 'The canonical patch format'Akira Yokosawa1-1/+1
The reference to `explicit_in_reply_to` is pointless as when the reference was added in the form of "#15" [1], Section 15) was "The canonical patch format". The reference of "#15" had not been properly updated in a couple of reorganizations during the plain-text SubmittingPatches era. Fix it by using `the_canonical_patch_format`. [1]: 2ae19acaa50a ("Documentation: Add "how to write a good patch summary" to SubmittingPatches") Signed-off-by: Akira Yokosawa <akiyks@gmail.com> Fixes: 5903019b2a5e ("Documentation/SubmittingPatches: convert it to ReST markup") Fixes: 9b2c76777acc ("Documentation/SubmittingPatches: enrich the Sphinx output") Cc: Jonathan Corbet <corbet@lwn.net> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: stable@vger.kernel.org # v4.9+ Link: https://lore.kernel.org/r/64e105a5-50be-23f2-6cae-903a2ea98e18@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-28Documentation: x86: rework IOMMU documentationAlex Deucher3-116/+152
Add preliminary documentation for AMD IOMMU and combine with the existing Intel IOMMU documentation and clean up and modernize some of the existing documentation to align with the current state of the kernel. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Joerg Roedel <jroedel@suse.de> Link: https://lore.kernel.org/r/20220422192656.624920-1-alexander.deucher@amd.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-22Documentation: move watch_queue to core-apiRandy Dunlap3-1/+1
Move watch_queue documentation to the core-api index and subdirectory. Fixes: c73be61cede5 ("pipe: Add general notification queue support") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: David Howells <dhowells@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-22Docs: Replace version by 'current' in changes.rstBruno Moreira-Guedes1-1/+1
The file 'Documentation/process/changes.rst' states the listed requirements are for the 4.x kernel version. However, there are requirements updated for the 5.x version, as there might be in other future versions. This patch updates it to 'latest' so the document won't be outdated in the future. Signed-off-by: Bruno Moreira-Guedes <codeagain@codeagain.dev> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-22Docs: Add cpio requirement to changes.rstBruno Moreira-Guedes1-0/+6
The install target requires cpio to run the `kernel/gen_kheaders.sh` script, but it's missing in the requirements list at 'Documentation/process/changes.rst'. This patch adds it to the list. Signed-off-by: Bruno Moreira-Guedes <codeagain@codeagain.dev> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-22Documentation: kunit: change complete_and_exit to kthread_complete_and_exitAndreas-Christian Hagau1-1/+1
Commit cead18552660 ("exit: Rename complete_and_exit to kthread_complete_and_exit") renamed complete_and_exit to kthread_complete_and_exit. Signed-off-by: Andreas-Christian Hagau <ach@hagau.se> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-20rtla: Documentation: fix email addressesRandy Dunlap1-1/+2
Correct lkml@vger to linux-kernel@vger. Add linux-trace-devel since that is what is in the MAINTAINERS file. Fixes: d40d48e1f1f2 ("rtla: Add Documentation") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-20Drop Documentation/ide/Randy Dunlap9-978/+0
Drop all Documentation/ide/ since IDE support was deleted by Christoph Hellwig <hch@lst.de>, Jun 16 2021. Fixes: b7fb14d3ac63 ("ide: remove the legacy ide driver") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Jens Axboe <axboe@kernel.dk> Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16docs/scheduler: fix unit errorJui-Tse Huang1-2/+2
The unit mentioned in the documentation of scheduler statistics is outdated which may mislead the readers. The unit of statistics that is reported by /proc/schedstat is modified to nanosecond, and the unit of statistics that is reported by /proc/PID/schedstat is provided as well to make the context consistent. The rq_cpu_time and the rq_sched_info.run_delay of a run queue, and the sched_info.run_delay of a task are all updated based on the clock of the run queue, while the se.sum_exec_runtime of a task is updated based on the clock_task of the run queue of the task. Both the clock and clock_task are relied on the return value of the function sched_clock() which is in the unit of nanosecond. Signed-off-by: Jui-Tse Huang <juitse.huang@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16docs/admin: alphabetize parts of kernel-parameters.txt (part 2)Randy Dunlap1-83/+83
Alphabetize several of the kernel boot parameters in kernel-parameters.txt. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16Docs/admin: alphabetize some kernel-parameters (part 1)Randy Dunlap2-63/+61
Move some out-of-place kernel parameters into their correct locations. Move one out-of-order keyword/legend in kernel-parameters.rst. Add some missing keyword legends in kernel-parameters.rst: HIBERNATION HYPER_V and drop some obsolete/removed keyword legends: EIDE IOSCHED OSS TS XT Correct the location of the setup.h file. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16Docs: admin/kernel-parameters: edit a few boot optionsRandy Dunlap1-11/+36
Clean up some of admin-guide/kernel-parameters.txt: a. "smt" should be "smt=" (S390) b. (dropped) c. Sparc supports the vdso= boot option d. make the tp_printk options (2) formatting similar to other options by adding spacing e. add "trace_clock=" with a reference to Documentation/trace/ftrace.rst f. use [IA-64] as documented instead of [ia64] g. fix formatting and text for test_suspend= h. fix formatting for swapaccount= i. fix formatting and grammar for video.brightness_switch_enabled= Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: linux-s390@vger.kernel.org Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linux-ia64@vger.kernel.org Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <lenb@kernel.org> Cc: linux-pm@vger.kernel.org Cc: linux-acpi@vger.kernel.org Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16x86/efi: Remove references of EFI earlyprintk from documentationAkihiko Odaki1-2/+2
x86 EFI earlyprink was removed with commit 69c1f396f25b ("efi/x86: Convert x86 EFI earlyprintk into generic earlycon implementation"). Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16docs: fault-injection: fix defaultsDylan Yudaken1-7/+7
ignore-gfp-wait and ignore-gfp-highmem defaults are actually true (Y) in both failslab and fail_page_alloc, not false as the docs suggest. See page_alloc.c:3762 and failslab.c:13 At the same time use 'Y' instead of '1' in the example scripts just for consistency. (though 1 would work) Signed-off-by: Dylan Yudaken <dylany@fb.com> Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16Documentation: arch_pgtable_helpers: demote pgtable list headingsBagas Sanjaya1-5/+5
All page title headings in arch_pgtable_helpers.txt except "Architecture Page Table Helpers" should have been subheadings instead. Demote them to chapter headings. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16docs/zh_CN: Fix typo in process/howto.rstZhou Yuheng1-1/+1
Correct the url of linux-next Signed-off-by: Zhou Yuheng <woshoxxx@gmail.com> Reviewed-by: Alex Shi <alexs@kernel.org> Acked-by: Tang Yizhou <tangyizhou@huawei.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16docs/zh_CN: add vm hugetlbfs_reserv translationYanteng Si2-0/+437
Translate .../vm/hugetlbfs_reserv.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Alex Shi <alexs@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-04-16docs/scheduler: Change unit of cpu_time and rq_time to nanosecondsChunguang Xu1-2/+2
In the current implementation, cpu_time and rq_time should be in nanoseconds, so this document needs to be modified. Signed-off-by: Chunguang Xu <brookxu@tencent.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>