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2021-08-24Documentation: block: blk-mq: Fix small typo in multi-queue docsJinay Jain1-1/+1
Fixed a small typo in the documentation for multi-queue block IO. Signed-off-by: Jinay Jain <jinaybjain@gmail.com> Link: https://lore.kernel.org/r/20210812152528.300668-1-jinaybjain@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-24Documentation: in_irq() cleanupChangbin Du5-8/+8
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>
2021-08-24Documentation: arm: marvell: Add 88F6825 model into listPali Rohár1-0/+1
88F6825 is just 88F6820 but without encryption acceleration hardware and is used e.g. in DTS file arch/arm/boot/dts/armada-385-clearfog-gtr.dtsi Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20210814124805.14568-1-pali@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-24Documentation/process/maintainer-pgp-guide: Replace broken link to PGP path finderSeongJae Park1-9/+5
PGP pathfinder[1], which is suggested for finding a trust path to unknown PGP keys by 'maintainer-pgp-guide.rst', is not working now. This commit replaces it with other available tools. [1] https://pgp.cs.uu.nl/ Signed-off-by: SeongJae Park <sjpark@amazon.de> Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org> Link: https://lore.kernel.org/r/20210812095030.4704-2-sj38.park@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-24Documentation: locking: fix referencesAlexander Aring2-2/+2
This patch fixes file references from txt to rst file ending in ww-mutex-design.rst and futex-requeue-pi.rst. While on it fix a spelling issue "desgin" to "design" reported by Matthew Wilcox. Signed-off-by: Alexander Aring <aahringo@redhat.com> Link: https://lore.kernel.org/r/20210823183143.1691344-1-aahringo@redhat.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-20Documentation: Update details of The Linux Kernel Module Programming GuideChun-Hung Tseng1-6/+8
Recently, the content and examples of the book "The Linux Kernel Module Programming Guide" are being actively maintained and added on Github[1]. Currently, the book is being regularly built into webpage and pdf file using Github static page[2]. [1]: https://github.com/sysprog21/lkmpg [2]: https://sysprog21.github.io/lkmpg/ Signed-off-by: Chun-Hung Tseng <henrybear327@gmail.com> Link: https://lore.kernel.org/r/20210820222152.971174-1-henrybear327@gmail.com [jc: fixed docs-build warnings] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-20docs: x86: Remove obsolete information about x86_64 vmalloc() faultingPeilin Ye1-4/+0
x86_64 vmalloc() mappings are no longer "synchronized" among page tables via faulting since commit 6eb82f994026 ("x86/mm: Pre-allocate P4D/PUD pages for vmalloc area"), since the corresponding P4D or PUD pages are now preallocated at boot, by preallocate_vmalloc_pages(). Drop the "lazily synchronized" description for less confusion. While this file is x86_64-specific, it is worth noting that things are different for x86_32, where vmalloc()-related changes to `init_mm.pgd` are synchronized to all page tables in the system during runtime, via arch_sync_kernel_mappings(). Unfortunately, this synchronization is subject to race condition, which is further handled via faulting, see vmalloc_fault(). See commit 4819e15f740e ("x86/mm/32: Bring back vmalloc faulting on x86_32") for more details. Reviewed-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Peilin Ye <peilin.ye@bytedance.com> Reviewed-by: Joerg Roedel <jroedel@suse.de> Link: https://lore.kernel.org/r/20210818220123.2623-1-yepeilin.cs@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-20Documentation/process/applying-patches: Activate linux-next man hyperlinkSeongJae Park1-1/+1
There is a url for linux-next in the 'applying-patches.rst', but it's surrounded by backquotes. So the url doesn't have a hyperlink in the built document. To let readers easily move to the page, this commit puts the url outside of the backquotes so that a hyperlink to the url can be automatically made. Signed-off-by: SeongJae Park <sjpark@amazon.de> Link: https://lore.kernel.org/r/20210812095030.4704-1-sj38.park@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12docs: sphinx-requirements: Move sphinx_rtd_theme to topAkira Yokosawa1-2/+1
sphinx_rtd_theme 0.5.2 has "docutils<0.17" in its requirements. docutils 0.17 released this April caused regression in sphinx_rtd_theme 0.5.1 [1]. By removing docutils and moving sphinx_rtd_theme before Sphinx in requirements.txt, the requirement of "docutils<0.17" can be met naturally. [1]: https://github.com/readthedocs/sphinx_rtd_theme/issues/1112 Signed-off-by: Akira Yokosawa <akiyks@gmail.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org> Link: https://lore.kernel.org/r/75f14c88-6091-1072-41cb-16b886aee5a0@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12docs: pdfdocs: Enable language-specific font choice of zh_TW translationsAkira Yokosawa1-0/+4
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>
2021-08-12docs: pdfdocs: Teach xeCJK about character classes of quotation marksAkira Yokosawa1-0/+4
Quotation marks in "KR" and "JP" variants of Noto CJK fonts are half width. xeCJK assumes they are full width by default and does excessive kerning around them in Korean and Japanese translations. Give xeCJK proper hints by the \xeCJKDeclareCharClass command. Signed-off-by: Akira Yokosawa <akiyks@gmail.com> Link: https://lore.kernel.org/r/0da9e3c5-2716-f576-1df5-2f28ea69f0e8@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-08-12docs: pdfdocs: Permit AutoFakeSlant for CJK fontsAkira Yokosawa2-29/+29
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>
2021-08-12docs: pdfdocs: One-half spacing for CJK translationsAkira Yokosawa3-2/+26
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>