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This includes zswpin, zswpout and zswpwb.
Signed-off-by: Usama Arif <usamaarif642@gmail.com>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20240502185307.3942173-2-usamaarif642@gmail.com>
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Signed-off-by: Dennis Lam <dennis.lamerice@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240502212522.4263-1-dennis.lamerice@gmail.com
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Fix spelling mistakes in the documentation.
Signed-off-by: Saurav Shah <sauravshah.31@gmail.com>
Link: https://lore.kernel.org/r/20240501233659.25441-1-sauravshah.31@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Update to commit 711cbfc71765 ("docs: rust: Clarify that 'rustup
override' applies to build directory")
commit 7583ce66ddf7 ("docs: rust: remove `CC=clang` mentions")
commit 2285eb2f2429 ("docs: rust: clarify what 'rustup override' does")
commit 8cb40124cf92 ("docs: rust: update instructions for obtaining
'core' source")
commit b603c6cc405a ("docs: rust: add command line to rust-analyzer
section")
commit 08ab786556ff ("rust: bindgen: upgrade to 0.65.1")
commit eae90172c5b8 ("docs: rust: add paragraph about finding a
suitable `libclang`")
commit 6883b29c6cae ("docs: rust: point directly to the standalone
installers")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/aff560c262f255e873c07cc66891cf8140ad433d.1714113680.git.siyanteng@loongson.cn
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Update to commit ba4abeb13d5e ("docs: rust: Move testing to a
separate page")
commit be412baf7240 ("docs: rust: Add rusttest info")
commit bd9e54a42ce2 ("docs: rust: update Rust docs output path")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/09fc6c2e0553fb5fae9c91146e1bceb149b6cf71.1714113680.git.siyanteng@loongson.cn
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Update to commit bc2e7d5c298a ("rust: support `srctree`-relative links")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/e83b5dd929371d42889b19750e5e0385544e170f.1714113680.git.siyanteng@loongson.cn
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Update to commit 81889e8523e6 ("RISC-V: enable building
64-bit kernels with rust support")
commit 01848eee20c6 ("docs: rust: fix improper rendering in
Arch Supportpage")
commit 724a75ac9542 ("arm64: rust: Enable Rust support
for AArch64")
commit 90868ff9cade ("LoongArch: Enable initial Rust support")
commit e5e86572e3f2 ("rust: sort uml documentation arch support table")
commit 04df97e150c8 ("Documentation: rust: Fix arch support table")
commit 0438aadfa69a ("rust: arch/um: Add support for CONFIG_RUST
under x86_64 UML")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/e61eee747275c4e258416e079315b8e23fe3fde5.1714113680.git.siyanteng@loongson.cn
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Change 'sent' to 'send'
Signed-off-by: Tim Bird <tim.bird@sony.com>
Link: https://lore.kernel.org/r/SA3PR13MB63726A746C847D7C0919C25BFD162@SA3PR13MB6372.namprd13.prod.outlook.com
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The spaces on the left and right of texts should be consistent.
Remove these redundent spaces.
Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240427053703.2339727-1-dzm91@hust.edu.cn
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Document a new variant of the stable tag developers can use to make the
stable team's tools ignore a change[1].
That way developers can use 'Fixes:' tags without fearing the changes
might be backported in semi-automatic fashion. Such concerns are the
reason why some developers deliberately omit the 'Fixes:' tag in
changes[2] -- which somewhat undermines the reason for the existence of
that tag and might be unwise in the long term[3].
Link: https://lore.kernel.org/all/b452fd54-fdc6-47e4-8c26-6627f6b7eff3@leemhuis.info/ [1]
Link: https://lore.kernel.org/all/cover.1712226175.git.antony.antony@secunet.com/ [2]
Link: https://lore.kernel.org/all/dfd87673-c581-4b4b-b37a-1cf5c817240d@leemhuis.info/ [3]
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/35989d3b2f3f8cf23828b0c84fde9b17a74be97c.1714367921.git.linux@leemhuis.info
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Document when to use of stable@kernel.org instead of
stable@vger.kernel.org, as the two are easily mixed up and their
difference not explained anywhere[1].
Link: https://lore.kernel.org/all/20240422231550.3cf5f723@sal.lan/ [1]
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/6783b71da48aac5290756343f58591dc42da87bc.1714367921.git.linux@leemhuis.info
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Remove the 'code-block:: none' labels and switch to the shorter '::' to
reduce noise.
Remove a unneeded level of indentation, as that reduces the chance that
readers have to scroll sideways in some of the code blocks.
No text changes. Rendered html output looks like before, except for the
different level of indentation.
CC: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/755afbeafc8e1457154cb4b30ff4397f34326679.1714367921.git.linux@leemhuis.info
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Fine-tuning:
* s/Linus' tree/Linux mainline/, as mainline is the term used elsewhere
in the document.
* Provide a better example for the 'delayed backporting' case that uses
a fixed rather than a relative reference point, which makes it easier
to handle for the stable team.
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/0a120573ea827aee12d45e7bd802ba85c09884da.1714367921.git.linux@leemhuis.info
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Explain the general concept once in the intro to keep things somewhat
shorter in the individual points.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/106e21789e2bf02d174e1715b49cd4d30886d51f.1714367921.git.linux@leemhuis.info
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Support of kprobes and kretprobes for riscv was introduced 3 years ago
by the following change:
commit c22b0bcb1dd0 ("riscv: Add kprobes supported")
Add riscv to the list of supported architectures.
Signed-off-by: Ivan Orlov <ivan.orlov@codethink.co.uk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240429155735.68781-1-ivan.orlov@codethink.co.uk
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Fix spelling and grammar in Docs descriptions
Signed-off-by: Remington Brasga <rbrasga@uci.edu>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240429225527.2329-1-rbrasga@uci.edu
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Running "make htmldocs" on a newly installed Sphinx 7.3.7 ends up in
a build error:
Sphinx parallel build error:
AttributeError: module 'docutils.nodes' has no attribute 'reprunicode'
docutils 0.21 has removed nodes.reprunicode, quote from release note [1]:
* Removed objects:
docutils.nodes.reprunicode, docutils.nodes.ensure_str()
Python 2 compatibility hacks
Sphinx 7.3.0 supports docutils 0.21 [2]:
kernel_include.py, whose origin is misc.py of docutils, uses reprunicode.
Upstream docutils removed the offending line from the corresponding file
(docutils/docutils/parsers/rst/directives/misc.py) in January 2022.
Quoting the changelog [3]:
Deprecate `nodes.reprunicode` and `nodes.ensure_str()`.
Drop uses of the deprecated constructs (not required with Python 3).
Do the same for kernel_include.py.
Tested against:
- Sphinx 2.4.5 (docutils 0.17.1)
- Sphinx 3.4.3 (docutils 0.17.1)
- Sphinx 5.3.0 (docutils 0.18.1)
- Sphinx 6.2.1 (docutils 0.19)
- Sphinx 7.2.6 (docutils 0.20.1)
- Sphinx 7.3.7 (docutils 0.21.2)
Link: http://www.docutils.org/RELEASE-NOTES.html#release-0-21-2024-04-09 [1]
Link: https://www.sphinx-doc.org/en/master/changes.html#release-7-3-0-released-apr-16-2024 [2]
Link: https://github.com/docutils/docutils/commit/c8471ce47a24 [3]
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/faf5fa45-2a9d-4573-9d2e-3930bdc1ed65@gmail.com
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Catch up the update made in commit e49ad8530de9 ("CREDITS, MAINTAINERS,
docs/process/howto: Update man-pages' maintainer").
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Tsugikazu Shibata <shibata@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240502085610.111739-1-akiyks@gmail.com
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Translation for the following patches
commit 6e55b1cbf05d ("docs: try to encourage (netdev?) reviewers")
commit e49ad8530de9 ("CREDITS, MAINTAINERS, docs/process/howto: Update man-pages' maintainer")
commit 44ac5abac86b ("Documentation/security-bugs: move from admin-guide/ to process/")
commit 5a602de99797 ("Add .editorconfig file for basic formatting")
commit 129027b78c49 ("docs: deprecated.rst: Update an example")
commit efc0a7cfe9ec ("Docs/process/changes: Consolidate NFS-utils update links")
commit 383f30882197 ("Docs/process/changes: Replace http:// with https://")
commit 80fe9e51510b ("rust: upgrade to Rust 1.74.1")
commit c584476d477e ("doc: Add tar requirement to changes.rst")
commit b230235b3865 ("docs: Set minimal gtags / GNU GLOBAL version to 6.6.5")
commit 3e893e16af55 ("docs: Raise the minimum Sphinx requirement to 2.4.4")
commit 08ab786556ff ("rust: bindgen: upgrade to 0.65.1")
commit 185ea7676ef3 ("Documentation: coding-style: Update syntax highlighting for code-blocks")
commit 932be49b71e7 ("Documentation: coding-style: Fix indentation in code-blocks")
commit 5c7944ca7b13 ("coding-style: Add guidance to prefer dev_dbg")
commit c15ec3d1a287 ("Documentation: doc-guide: use '%' constant indicator in Return: examples")
commit 329ac9af902e ("docs: submitting-patches: Discuss interleaved replies")
commit 5382774515d4 ("(docs-next) A reworked process/index.rst")
Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240316225400.22590-1-federico.vaga@vaga.pv.it
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Translate process/cve.rst into Chinese and add it to
Documentation/translations/zh_CN directory.
Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240422041115.2439166-1-dzm91@hust.edu.cn
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In the near future, I will not have access to the email address I used as
maintainer of a number of things, mostly in the documentation. Update that
address to my personal email address (see Link) so I can continue
contributing and update .mailmap.
Link: https://lore.kernel.org/all/BL1PR12MB58749FF2BFEDB817DE1FE6CBF82A2@BL1PR12MB5874.namprd12.prod.outlook.com/
Signed-off-by: Carlos Bilbao <carlos.bilbao@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/139b8cab-009c-4688-be41-c4c526532ea1@amd.com
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Translate dev-tools/kcov into Chinese and add it in
dev-tools/zh_CN/index.rst.
Signed-off-by: Haoyang Liu <tttturtleruss@hust.edu.cn>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240421142021.19504-1-tttturtleruss@hust.edu.cn
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Commit 839195352d82 ("mm/shuffle: remove dynamic reconfiguration")
removed the dynamic reconfiguration capabilities from the shuffle page
allocator. This means that, now, we don't have any perspective of an
"autodetection of memory-side-cache" that triggers the enablement of the
shuffle page allocator.
Therefore, let the documentation reflect that the only way to enable
the shuffle page allocator is by setting `page_alloc.shuffle=1`.
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240422142007.1062231-1-mcanal@igalia.com
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sched_core_share_pid() copies the cookie to userspace with
put_user(id, (u64 __user *)uaddr), expecting 64 bits of space.
The "unsigned long" datatype that is documented in core-scheduling.rst
however is only 32 bits large on 32 bit architectures.
Document "unsigned long long" as the correct data type that is always
64bits large.
This matches what the selftest cs_prctl_test.c has been doing all along.
Fixes: 0159bb020ca9 ("Documentation: Add usecases, design and interface for core scheduling")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/util-linux/df7a25a0-7923-4f8b-a527-5e6f0064074d@t-8ch.de/
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Chris Hyser <chris.hyser@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240423-core-scheduling-cookie-v1-1-5753a35f8dfc@weissschuh.net
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Translate dev-tools/kmemleak.rst into Chinese and add it into
zh_CN/dev-tools/index.rst.
Signed-off-by: Haoyang Liu <tttturtleruss@hust.edu.cn>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240406083643.5056-1-tttturtleruss@hust.edu.cn
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Quoting of the '"no regressions" rule' expression differs between
occurrences, sometimes being presented as '"no regressions rule"'. Unify
the quoting using the first form which seems semantically correct or is
at least used dominantly, albeit marginally.
One of the occurrences is obviously missing the 'rule' part -- add it.
Signed-off-by: Karel Balej <balejk@matfyz.cz>
Reviewed-by: Thorsten Leemhuis <linux@leemhuis.info>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240328194342.11760-2-balejk@matfyz.cz
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Fedora and openSUSE has started deploying "variable font" [1] format
Noto CJK fonts [2, 3]. "CJK" here stands for "Chinese, Japanese,
and Korean".
Unfortunately, XeTeX/XeLaTeX doesn't understand those fonts for
historical reasons and builds of translations.pdf end up in errors
if such fonts are present on the build host.
To help developers work around the issue, add a script to check the
presence of "variable font" Noto CJK fonts and to emit suggestions.
The script is invoked in the error path of "make pdfdocs" so that the
suggestions are made only when a PDF build actually fails.
The first suggestion is to denylist those "variable font" files by
activating a per-user and command-local fontconfig setting.
For further info and backgrounds, please refer to the header comment
of scripts/check-variable-font.sh newly added in this commit.
Link: [1] https://en.wikipedia.org/wiki/Variable_font
Link: [2] https://fedoraproject.org/wiki/Changes/Noto_CJK_Variable_Fonts
Link: [3] https://build.opensuse.org/request/show/1157217
Reported-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/8734tqsrt7.fsf@meer.lwn.net/
Reported-by: Иван Иванович <relect@bk.ru>
Link: https://lore.kernel.org/linux-doc/1708585803.600323099@f111.i.mail.ru/
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240406020416.25096-1-akiyks@gmail.com
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Translate dev-tools/ubsan.rst into Chinese, add it into
zh_CN/dev-tools/index.rst.
Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240302140058.1527765-1-dzm91@hust.edu.cn
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Translate Documentation/process/2.Process.rst into Spanish
Signed-off-by: Avadhut Naik <avadhut.naik@amd.com>
Reviewed-by: Carlos Bilbao <carlos.bilbao@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240305221839.2764380-5-avadhut.naik@amd.com
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Translate Documentation/process/1.Intro.rst into Spanish
In order to avoid broken links in the translated document, empty files
have been created for documents which have not yet been translated.
Signed-off-by: Avadhut Naik <avadhut.naik@amd.com>
Reviewed-by: Carlos Bilbao <carlos.bilbao@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240305221839.2764380-4-avadhut.naik@amd.com
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Translate Documentation/process/development-process.rst into Spanish
Signed-off-by: Avadhut Naik <avadhut.naik@amd.com>
Reviewed-by: Carlos Bilbao <carlos.bilbao@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240305221839.2764380-3-avadhut.naik@amd.com
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Commit 329ac9af902e (docs: submitting-patches: Discuss interleaved replies)
updates the original Documentation/process/submitting-patches.rst file.
Translate and add the updates to its corresponding version in Spanish.
Signed-off-by: Avadhut Naik <avadhut.naik@amd.com>
Reviewed-by: Carlos Bilbao <carlos.bilbao@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240305221839.2764380-2-avadhut.naik@amd.com
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Use the correct relative pronoun.
Signed-off-by: Sarat Mandava <mandavasarat@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240321112757.17502-1-mandavasarat@gmail.com
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- ReStructured Text should be exactly reStructuredText
- "reStructuredText" is ONE word, not two! according to https://docutils.sourceforge.io/rst.html
Signed-off-by: Maki Hatano <Maki.Y.Hatano@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240323062141.14863-1-Maki.Y.Hatano@gmail.com
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The updates from commit ae67ee6c5e1d5b6a ("docs: fix Co-Developed-by
docs") in v5.0 were never applied to the Chinese translations.
In addition:
- "Cc" used wrong case,
- "Co-developed-by" lacked a dash,
- "Signed-off-by" was misspelled.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Hu Haowen <2023002089@link.tyut.edu.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/22892a8ab5c17d7121ef5b85f7d18d8b1f41e434.1711715655.git.geert+renesas@glider.be
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There are bunch of codes in driver like
if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)))
dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32))
Actually it is wrong because if dma_set_mask_and_coherent(64) fails,
dma_set_mask_and_coherent(32) will fail for the same reason.
And dma_set_mask_and_coherent(64) never returns failure.
According to the definition of dma_set_mask(), it indicates the width of
address that device DMA can access. If it can access 64-bit address, it
must access 32-bit address inherently. So only need set biggest address
width.
See below code fragment:
dma_set_mask(mask)
{
mask = (dma_addr_t)mask;
if (!dev->dma_mask || !dma_supported(dev, mask))
return -EIO;
arch_dma_set_mask(dev, mask);
*dev->dma_mask = mask;
return 0;
}
dma_supported() will call dma_direct_supported or iommux's dma_supported
call back function.
int dma_direct_supported(struct device *dev, u64 mask)
{
u64 min_mask = (max_pfn - 1) << PAGE_SHIFT;
/*
* Because 32-bit DMA masks are so common we expect every architecture
* to be able to satisfy them - either by not supporting more physical
* memory, or by providing a ZONE_DMA32. If neither is the case, the
* architecture needs to use an IOMMU instead of the direct mapping.
*/
if (mask >= DMA_BIT_MASK(32))
return 1;
...
}
The iommux's dma_supported() actually means iommu requires devices's
minimized dma capability.
An example:
static int sba_dma_supported( struct device *dev, u64 mask)()
{
...
* check if mask is >= than the current max IO Virt Address
* The max IO Virt address will *always* < 30 bits.
*/
return((int)(mask >= (ioc->ibase - 1 +
(ioc->pdir_size / sizeof(u64) * IOVP_SIZE) )));
...
}
1 means supported. 0 means unsupported.
Correct document to make it more clear and provide correct sample code.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
[jc: fixed then/than typo]
Link: https://lore.kernel.org/r/20240401174159.642998-1-Frank.Li@nxp.com
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Format the shell commands as code block to keep the documentation in the
same style
Signed-off-by: Weiji Wang <nebclllo0444@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240319114253.2647-1-nebclllo0444@gmail.com
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kernel-parameters.txt incorrectly states that workings of
kernel.tracepoint_printk sysctl depends on "tracepoint_printk kernel
cmdline option", this is a bit misleading for new users since the actual
cmdline option name is tp_printk.
Fixes: 0daa2302968c ("tracing: Add tp_printk cmdline to have tracepoints go to printk()")
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240323231704.1217926-1-vt@altlinux.org
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I could not remember the name of this system and it's pretty hard to
find without the right keywords. I had to ask an LLM!
Drop a breadcrumb to help people find it in the future.
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240328124947.2107524-1-jackmanb@google.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
- Ensure that the encryption mask at boot is properly propagated on
5-level page tables, otherwise the PGD entry is incorrectly set to
non-encrypted, which causes system crashes during boot.
- Undo the deferred 5-level page table setup as it cannot work with
memory encryption enabled.
- Prevent inconsistent XFD state on CPU hotplug, where the MSR is reset
to the default value but the cached variable is not, so subsequent
comparisons might yield the wrong result and as a consequence the
result prevents updating the MSR.
- Register the local APIC address only once in the MPPARSE enumeration
to prevent triggering the related WARN_ONs() in the APIC and topology
code.
- Handle the case where no APIC is found gracefully by registering a
fake APIC in the topology code. That makes all related topology
functions work correctly and does not affect the actual APIC driver
code at all.
- Don't evaluate logical IDs during early boot as the local APIC IDs
are not yet enumerated and the invoked function returns an error
code. Nothing requires the logical IDs before the final CPUID
enumeration takes place, which happens after the enumeration.
- Cure the fallout of the per CPU rework on UP which misplaced the
copying of boot_cpu_data to per CPU data so that the final update to
boot_cpu_data got lost which caused inconsistent state and boot
crashes.
- Use copy_from_kernel_nofault() in the kprobes setup as there is no
guarantee that the address can be safely accessed.
- Reorder struct members in struct saved_context to work around another
kmemleak false positive
- Remove the buggy code which tries to update the E820 kexec table for
setup_data as that is never passed to the kexec kernel.
- Update the resource control documentation to use the proper units.
- Fix a Kconfig warning observed with tinyconfig
* tag 'x86-urgent-2024-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot/64: Move 5-level paging global variable assignments back
x86/boot/64: Apply encryption mask to 5-level pagetable update
x86/cpu: Add model number for another Intel Arrow Lake mobile processor
x86/fpu: Keep xfd_state in sync with MSR_IA32_XFD
Documentation/x86: Document that resctrl bandwidth control units are MiB
x86/mpparse: Register APIC address only once
x86/topology: Handle the !APIC case gracefully
x86/topology: Don't evaluate logical IDs during early boot
x86/cpu: Ensure that CPU info updates are propagated on UP
kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
x86/pm: Work around false positive kmemleak report in msr_build_context()
x86/kexec: Do not update E820 kexec table for setup_data
x86/config: Fix warning for 'make ARCH=x86_64 tinyconfig'
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler doc clarification from Thomas Gleixner:
"A single update for the documentation of the base_slice_ns tunable to
clarify that any value which is less than the tick slice has no effect
because the scheduler tick is not guaranteed to happen within the set
time slice"
* tag 'sched-urgent-2024-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/doc: Update documentation for base_slice_ns and CONFIG_HZ relation
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The memory bandwidth software controller uses 2^20 units rather than
10^6. See mbm_bw_count() which computes bandwidth using the "SZ_1M"
Linux define for 0x00100000.
Update the documentation to use MiB when describing this feature.
It's too late to fix the mount option "mba_MBps" as that is now an
established user interface.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240322182016.196544-1-tony.luck@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more clocksource updates from Thomas Gleixner:
"A set of updates for clocksource and clockevent drivers:
- A fix for the prescaler of the ARM global timer where the prescaler
mask define only covered 4 bits while it is actully 8 bits wide.
This obviously restricted the possible range of prescaler
adjustments
- A fix for the RISC-V timer which prevents a timer interrupt being
raised while the timer is initialized
- A set of device tree updates to support new system on chips in
various drivers
- Kernel-doc and other cleanups all over the place"
* tag 'timers-core-2024-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/timer-riscv: Clear timer interrupt on timer initialization
dt-bindings: timer: Add support for cadence TTC PWM
clocksource/drivers/arm_global_timer: Simplify prescaler register access
clocksource/drivers/arm_global_timer: Guard against division by zero
clocksource/drivers/arm_global_timer: Make gt_target_rate unsigned long
dt-bindings: timer: add Ralink SoCs system tick counter
clocksource: arm_global_timer: fix non-kernel-doc comment
clocksource/drivers/arm_global_timer: Remove stray tab
clocksource/drivers/arm_global_timer: Fix maximum prescaler value
clocksource/drivers/imx-sysctr: Add i.MX95 support
clocksource/drivers/imx-sysctr: Drop use global variables
dt-bindings: timer: nxp,sysctr-timer: support i.MX95
dt-bindings: timer: renesas: ostm: Document RZ/Five SoC
dt-bindings: timer: renesas,tmu: Document input capture interrupt
clocksource/drivers/ti-32K: Fix misuse of "/**" comment
clocksource/drivers/stm32: Fix all kernel-doc warnings
dt-bindings: timer: exynos4210-mct: Add google,gs101-mct compatible
clocksource/drivers/imx: Fix -Wunused-but-set-variable warning
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for various vector-accelerated crypto routines
- Hibernation is now enabled for portable kernel builds
- mmap_rnd_bits_max is larger on systems with larger VAs
- Support for fast GUP
- Support for membarrier-based instruction cache synchronization
- Support for the Andes hart-level interrupt controller and PMU
- Some cleanups around unaligned access speed probing and Kconfig
settings
- Support for ACPI LPI and CPPC
- Various cleanus related to barriers
- A handful of fixes
* tag 'riscv-for-linus-6.9-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (66 commits)
riscv: Fix syscall wrapper for >word-size arguments
crypto: riscv - add vector crypto accelerated AES-CBC-CTS
crypto: riscv - parallelize AES-CBC decryption
riscv: Only flush the mm icache when setting an exec pte
riscv: Use kcalloc() instead of kzalloc()
riscv/barrier: Add missing space after ','
riscv/barrier: Consolidate fence definitions
riscv/barrier: Define RISCV_FULL_BARRIER
riscv/barrier: Define __{mb,rmb,wmb}
RISC-V: defconfig: Enable CONFIG_ACPI_CPPC_CPUFREQ
cpufreq: Move CPPC configs to common Kconfig and add RISC-V
ACPI: RISC-V: Add CPPC driver
ACPI: Enable ACPI_PROCESSOR for RISC-V
ACPI: RISC-V: Add LPI driver
cpuidle: RISC-V: Move few functions to arch/riscv
riscv: Introduce set_compat_task() in asm/compat.h
riscv: Introduce is_compat_thread() into compat.h
riscv: add compile-time test into is_compat_task()
riscv: Replace direct thread flag check with is_compat_task()
riscv: Improve arch_get_mmap_end() macro
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of fixes that came in since the merge window. Most
of it is relatively minor driver specific fixes, there's also fixes
for error handling with SPI flash devices and a fix restoring delay
control functionality for non-GPIO chip selects managed by the core"
* tag 'spi-fix-v6.9-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-mt65xx: Fix NULL pointer access in interrupt handler
spi: docs: spidev: fix echo command format
spi: spi-imx: fix off-by-one in mx51 CPU mode burst length
spi: lm70llp: fix links in doc and comments
spi: Fix error code checking in spi_mem_exec_op()
spi: Restore delays for non-GPIO chip select
spi: lpspi: Avoid potential use-after-free in probe()
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull more sound fixes from Takashi Iwai:
"The remaining fixes for 6.9-rc1 that have been gathered in this week.
More about ASoC at this time (one long-standing fix for compress
offload, SOF, AMD ACP, Rockchip, Cirrus and tlv320 stuff) while
another regression fix in ALSA core and a couple of HD-audio quirks as
usual are included"
* tag 'sound-fix2-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: control: Fix unannotated kfree() cleanup
ALSA: hda/realtek: Add quirks for some Clevo laptops
ALSA: hda/realtek: Add quirk for HP Spectre x360 14 eu0000
ALSA: hda/realtek: fix the hp playback volume issue for LG machines
ASoC: soc-compress: Fix and add DPCM locking
ASoC: SOF: amd: Skip IRAM/DRAM size modification for Steam Deck OLED
ASoC: SOF: amd: Move signed_fw_image to struct acp_quirk_entry
ASoC: amd: yc: Revert "add new YC platform variant (0x63) support"
ASoC: amd: yc: Revert "Fix non-functional mic on Lenovo 21J2"
ASoC: soc-core.c: Skip dummy codec when adding platforms
ASoC: rockchip: i2s-tdm: Fix inaccurate sampling rates
ASoC: dt-bindings: cirrus,cs42l43: Fix 'gpio-ranges' schema
ASoC: amd: yc: Fix non-functional mic on ASUS M7600RE
ASoC: tlv320adc3xxx: Don't strip remove function when driver is builtin
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"Some more I2C updates after the dependencies have been merged now.
Plus a DT binding fix"
* tag 'i2c-for-6.9-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
dt-bindings: i2c: qcom,i2c-cci: Fix OV7251 'data-lanes' entries
i2c: muxes: pca954x: Allow sharing reset GPIO
i2c: nomadik: sort includes
i2c: nomadik: support Mobileye EyeQ5 I2C controller
i2c: nomadik: fetch i2c-transfer-timeout-us property from devicetree
i2c: nomadik: replace jiffies by ktime for FIFO flushing timeout
i2c: nomadik: support short xfer timeouts using waitqueue & hrtimer
i2c: nomadik: use bitops helpers
i2c: nomadik: simplify IRQ masking logic
i2c: nomadik: rename private struct pointers from dev to priv
dt-bindings: i2c: nomadik: add mobileye,eyeq5-i2c bindings and example
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsytem:
- rtc_class is now const
Drivers:
- ds1511: cleanup, set date and time range and alarm offset limit
- max31335: fix interrupt handler
- pcf8523: improve suspend support"
* tag 'rtc-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (28 commits)
MAINTAINER: Include linux-arm-msm for Qualcomm RTC patches
dt-bindings: rtc: zynqmp: Add support for Versal/Versal NET SoCs
rtc: class: make rtc_class constant
dt-bindings: rtc: abx80x: Improve checks on trickle charger constraints
MAINTAINERS: adjust file entry in ARM/Mediatek RTC DRIVER
rtc: nct3018y: fix possible NULL dereference
rtc: max31335: fix interrupt status reg
rtc: mt6397: select IRQ_DOMAIN instead of depending on it
dt-bindings: rtc: abx80x: convert to yaml
rtc: m41t80: Use the unified property API get the wakeup-source property
dt-bindings: at91rm9260-rtt: add sam9x7 compatible
dt-bindings: rtc: convert MT7622 RTC to the json-schema
dt-bindings: rtc: convert MT2717 RTC to the json-schema
rtc: pcf8523: add suspend handlers for alarm IRQ
rtc: ds1511: set alarm offset limit
rtc: ds1511: set range
rtc: ds1511: drop inline/noinline hints
rtc: ds1511: rename pdata
rtc: ds1511: implement ds1511_rtc_read_alarm properly
rtc: ds1511: remove partial alarm support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI and UBIFS updates from Richard Weinberger:
"UBI:
- Add Zhihao Cheng as reviewer
- Attach via device tree
- Add NVMEM layer
- Various fastmap related fixes
UBIFS:
- Add Zhihao Cheng as reviewer
- Convert to folios
- Various fixes (memory leaks in error paths, function prototypes)"
* tag 'ubifs-for-linus-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: (34 commits)
mtd: ubi: fix NVMEM over UBI volumes on 32-bit systems
mtd: ubi: provide NVMEM layer over UBI volumes
mtd: ubi: populate ubi volume fwnode
mtd: ubi: introduce pre-removal notification for UBI volumes
mtd: ubi: attach from device tree
mtd: ubi: block: use notifier to create ubiblock from parameter
dt-bindings: mtd: ubi-volume: allow UBI volumes to provide NVMEM
dt-bindings: mtd: add basic bindings for UBI
ubifs: Queue up space reservation tasks if retrying many times
ubifs: ubifs_symlink: Fix memleak of inode->i_link in error path
ubifs: dbg_check_idx_size: Fix kmemleak if loading znode failed
ubi: Correct the number of PEBs after a volume resize failure
ubi: fix slab-out-of-bounds in ubi_eba_get_ldesc+0xfb/0x130
ubi: correct the calculation of fastmap size
ubifs: Remove unreachable code in dbg_check_ltab_lnum
ubifs: fix function pointer cast warnings
ubifs: fix sort function prototype
ubi: Check for too small LEB size in VTBL code
MAINTAINERS: Add Zhihao Cheng as UBI/UBIFS reviewer
ubifs: Convert populate_page() to take a folio
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN, netfilter, wireguard and IPsec.
I'd like to highlight [ lowlight? - Linus ] Florian W stepping down as
a netfilter maintainer due to constant stream of bug reports. Not sure
what we can do but IIUC this is not the first such case.
Current release - regressions:
- rxrpc: fix use of page_frag_alloc_align(), it changed semantics and
we added a new caller in a different subtree
- xfrm: allow UDP encapsulation only in offload modes
Current release - new code bugs:
- tcp: fix refcnt handling in __inet_hash_connect()
- Revert "net: Re-use and set mono_delivery_time bit for userspace
tstamp packets", conflicted with some expectations in BPF uAPI
Previous releases - regressions:
- ipv4: raw: fix sending packets from raw sockets via IPsec tunnels
- devlink: fix devlink's parallel command processing
- veth: do not manipulate GRO when using XDP
- esp: fix bad handling of pages from page_pool
Previous releases - always broken:
- report RCU QS for busy network kthreads (with Paul McK's blessing)
- tcp/rds: fix use-after-free on netns with kernel TCP reqsk
- virt: vmxnet3: fix missing reserved tailroom with XDP
Misc:
- couple of build fixes for Documentation"
* tag 'net-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (59 commits)
selftests: forwarding: Fix ping failure due to short timeout
MAINTAINERS: step down as netfilter maintainer
netfilter: nf_tables: Fix a memory leak in nf_tables_updchain
net: dsa: mt7530: fix handling of all link-local frames
net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports
bpf: report RCU QS in cpumap kthread
net: report RCU QS on threaded NAPI repolling
rcu: add a helper to report consolidated flavor QS
ionic: update documentation for XDP support
lib/bitmap: Fix bitmap_scatter() and bitmap_gather() kernel doc
netfilter: nf_tables: do not compare internal table flags on updates
netfilter: nft_set_pipapo: release elements in clone only from destroy path
octeontx2-af: Use separate handlers for interrupts
octeontx2-pf: Send UP messages to VF only when VF is up.
octeontx2-pf: Use default max_active works instead of one
octeontx2-pf: Wait till detach_resources msg is complete
octeontx2: Detect the mbox up or down message via register
devlink: fix port new reply cmd type
tcp: Clear req->syncookie in reqsk_alloc().
net/bnx2x: Prevent access to a freed page in page_pool
...
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