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2021-03-08input: Documentation: corrections for event-codes.rstRandy Dunlap
Fix hyphenation, typos, capitalization, and a referenced file name (.txt -> .rst). Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: linux-input@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Link: https://lore.kernel.org/r/20210302223523.20130-3-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08input: Documentation: corrections for input.rstRandy Dunlap
Fix grammar, punctuation, and spelling. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: linux-input@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Link: https://lore.kernel.org/r/20210302223523.20130-2-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08scripts/kernel-doc: ignore identifier on anonymous enumsMauro Carvalho Chehab
When anonymous enums are used, the identifier is empty. While, IMO, it should be avoided the usage of such enums, adding support for it is not hard. So, postpone the check for empty identifiers to happen only at the dump phase. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/055ad57879f1b9381b90879e00f72fde1c3a5647.1614760910.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08Documentation: dynamic-debug-howto: fix exampleMartin Kepplinger
dynamic debug is "expecting pairs of match-spec <value>" so the example for all files of which the paths include "usb" there is "file" missing. Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm> Link: https://lore.kernel.org/r/20210303091646.773111-1-martin.kepplinger@puri.sm Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs: driver-model: device: Add ATTRIBUTE_GROUPS() exampleGeert Uytterhoeven
Add a paragraph about the ATTRIBUTE_GROUPS() helper macro, and use it in the example. Retain the old description, as it is still useful in case of multiple groups. Change the names of the group(s) structures, to match the ATTRIBUTE_GROUPS() macro. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20210303133845.3939403-3-geert+renesas@glider.be Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs: driver-model: device: Add DEVICE_ATTR_{RO,RW} examplesGeert Uytterhoeven
bus.rst, driver.rst, and hwmon-kernel-api.rst refer to the DEVICE_ATTR_* macros for devices, but device.rst does not mention them. Add a paragraph about these helper macros, and use them in the examples. Retain the old description, as it is still useful for less common values of mode. Change the names of the example "show" and "store" methods, to match the expectations of the DEVICE_ATTR_* macros. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20210303133845.3939403-2-geert+renesas@glider.be Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Add zh_CN/admin-guide/unicode.rstWu XiangCheng
Add translation zh_CN/admin-guide/unicode.rst, and link it to zh_CN/admin-guide/index.rst while clean its todo entry. Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/20210304080148.GA16612@mipc Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Add zh_CN/admin-guide/README.rstWu XiangCheng
Add translation zh_CN/admin-guide/README.rst, and link it to zh_CN/admin-guide/index.rst while clean its todo entry. Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/20210304080131.GA16539@mipc Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08PATCH Documentation translations:translate sound/hd-audio/controls to chinesehjh
Signed-off-by: hjh <huangjianghui@uniontech.com> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/20210304094556.5858-1-huangjianghui@uniontech.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08scripts: kernel-doc: fix attribute capture in function parsingAditya Srivastava
Currently, kernel-doc warns for function prototype parsing on the presence of attributes "__attribute_const__" and "__flatten" in the definition. There are 166 occurrences in ~70 files in the kernel tree for "__attribute_const__" and 5 occurrences in 4 files for "__flatten". Out of 166, there are 3 occurrences in three different files with "__attribute_const__" and a preceding kernel-doc; and, 1 occurrence in ./mm/percpu.c for "__flatten" with a preceding kernel-doc. All other occurrences have no preceding kernel-doc. Add support for "__attribute_const__" and "__flatten" attributes. A quick evaluation by running 'kernel-doc -none' on kernel-tree reveals that no additional warning or error has been added or removed by the fix. Suggested-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Aditya Srivastava <yashsri421@gmail.com> Link: https://lore.kernel.org/r/20210306113510.31023-1-yashsri421@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/8.Conclusion.rstWu XiangCheng
Improve language and grammar of zh_CN/process/8.Conclusion.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/8311d04c5528442ecae241062fbb1a7eded0b4f6.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/7.AdvancedTopicsWu XiangCheng
Improve language and grammar of zh_CN/process/7.AdvancedTopics.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/e1579cfc77eb0cc31fb7402e8742dbc364b9086e.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/6.FollowthroughWu XiangCheng
Improve language and grammar of zh_CN/process/6.Followthrough.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/2024bbd647208fcb1c8b3db036e6f492bbdb2464.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/5.Posting.rstWu XiangCheng
Improve language and grammar of zh_CN/process/5.Posting.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/e2e8e109c7709ebbed9f536cbe49f6f56f38d5bf.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/4.Coding.rstWu XiangCheng
Improve language and grammar of zh_CN/process/4.Coding.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/66d6ec99bdd0f41c91951d33eb0fa7c4748019a4.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/3.Early-stage.rstWu XiangCheng
Improve language and grammar of zh_CN/process/3.Early-stage.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/501394c36239abe67966529595e10fa1aea22cd0.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/2.Process.rstWu XiangCheng
Sync and improve language & grammar of zh_CN/process/2.Process.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/526409b6a93af6d14e0bb14b630fced9a9ffe98d.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/1.Intro.rstWu XiangCheng
Improve language and grammar of zh_CN/process/1.Intro.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/ed025a9071811f354b53d4b6e8e1d0976b34f34a.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-08docs/zh_CN: Improve zh_CN/process/index.rstWu XiangCheng
Improve language and grammar of zh_CN/process/index.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/aace391070859555c0378f93506e46fcdb8dbf93.1614920267.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06docs: arm: /chosen node parametersHeinrich Schuchardt
Add missing items to table of parameters set in the /chosen node by the EFI stub. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Link: https://lore.kernel.org/r/20210206084120.43305-1-xypron.glpk@gmx.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06Docs: add fs/eventpoll to docbooksRandy Dunlap
Add fs/eventpoll.c to the filesystem api-summary book. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Link: https://lore.kernel.org/r/20210210042526.23174-2-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06fs: eventpoll: fix comments & kernel-doc notationRandy Dunlap
Use the documented kernel-doc format for function Return: descriptions. Begin constant values in kernel-doc comments with '%'. Remove kernel-doc "/**" from 2 functions that are not documented with kernel-doc notation. Fix typos, punctuation, & grammar. Also fix a few kernel-doc warnings: ../fs/eventpoll.c:1883: warning: Function parameter or member 'ep' not described in 'ep_loop_check_proc' ../fs/eventpoll.c:1883: warning: Excess function parameter 'priv' description in 'ep_loop_check_proc' ../fs/eventpoll.c:1932: warning: Function parameter or member 'ep' not described in 'ep_loop_check' ../fs/eventpoll.c:1932: warning: Excess function parameter 'from' description in 'ep_loop_check' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06Documentation: ioctl: add entry for nsfs.hRandy Dunlap
All userspace ioctls major/magic number should be documented in Documentation/userspace-api/ioctl/ioctl-number.rst, so add the entry for <linux/nsfs.h>. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Andrey Vagin <avagin@openvz.org> Cc: Serge Hallyn <serge@hallyn.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20210210182248.18101-1-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06Documentation: Replace more lkml.org links with loreKees Cook
As started by commit 05a5f51ca566 ("Documentation: Replace lkml.org links with lore"), replace a few more scattered lkml.org links with lore to better use a single source that's more likely to stay available long-term. Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20210210234005.2236201-1-keescook@chromium.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06docs: arm: marvell: clarify some unimportant Armada 6x0 detailsLubomir Rintel
MMP2 is used in XO-1.75 and MMP3 is now supported in mainline. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Link: https://lore.kernel.org/r/20210215220839.423709-4-lkundrak@v3.sk Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06docs: arm: marvell: replace stale links with archive linksLubomir Rintel
Marvell has an annoying habit of moving stuff around their web site every full moon, and often just removing documents altogether. At this point basically none but four of the links still works and even those that work today weren't working for a long period of time previously. That is a shame because (short of the product briefs) the documents tend to be quite useful. Let's replace them with known working versions of IA's Wayback Machine links. That seems to be about the only way of getting a URL that's going to work the next week. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Link: https://lore.kernel.org/r/20210215220839.423709-2-lkundrak@v3.sk Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06Documentation/submitting-patches: Extend commit message layout descriptionBorislav Petkov
Add more blurb about the level of detail that should be contained in a patch's commit message. Extend and make more explicit what text should be added under the --- line. Extend examples and split into more easily palatable paragraphs. This has been partially carved out from a tip subsystem handbook patchset by Thomas Gleixner: https://lkml.kernel.org/r/20181107171010.421878737@linutronix.de and incorporates follow-on comments. Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Robert Richter <rrichter@amd.com> Link: https://lore.kernel.org/r/20210215141949.GB21734@zn.tnic [jc: Tweaked "example subjects" wording] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06docs: reporting-issues.rst: explain how to decode stack tracesThorsten Leemhuis
Replace placeholder text about decoding stack traces with a section that properly describes what a typical user should do these days. To make it works for them, add a paragraph in an earlier section to ensure people build their kernels with everything that's needed to decode stack traces later. Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info> Reviewed-by: Qais Yousef <qais.yousef@arm.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Link: https://lore.kernel.org/r/20210215172857.382285-1-linux@leemhuis.info Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06MAINTAINERS: clarify responsibility for checkpatch documentationLukas Bulwahn
As discussed, Dwaipayan and Lukas take the responsibility for maintaining the checkpatch documentation that is currently being built up. To be sure that the checkpatch maintainers and the corresponding documentation maintainers can keep the content synchronized, add them as reviewers to the counterpart. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com> Link: https://lore.kernel.org/lkml/bcee822d1934772f47702ee257bc735c8f467088.camel@perches.com/ Link: https://lore.kernel.org/r/20210226093827.12700-4-dwaipayanray1@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06checkpatch: add verbose modeDwaipayan Ray
Add a new verbose mode to checkpatch.pl to emit additional verbose test descriptions. The verbose mode is optional and can be enabled by the flag -v or --verbose. The test descriptions are parsed from the checkpatch documentation file at `Documentation/dev-tools/checkpatch.rst`. The test descriptions in the docs are kept in a fixed format grouped by usage. Some examples of this format are: **LINE_SPACING** Vertical space is wasted given the limited number of lines an editor window can display when multiple blank lines are used. **MISSING_SIGN_OFF** The patch is missing a Signed-off-by line. A signed-off-by line should be added according to Developer's certificate of Origin. To avoid lengthy output, the verbose description is printed only for the first instance of a particular message type. The --verbose option cannot be used along with the --terse option. Verbose mode can be used with the --list-types option. The --list-types output also supports color coding now. Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com> Link: https://lore.kernel.org/r/20210226093827.12700-3-dwaipayanray1@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06docs: add documentation for checkpatchDwaipayan Ray
Add documentation for kernel script checkpatch.pl. This documentation is also parsed by checkpatch to enable a verbose mode. The checkpatch message types are grouped by usage. Under each group the types are described briefly. 34 of such types are documented. Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com> Link: https://lore.kernel.org/r/20210226093827.12700-2-dwaipayanray1@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06docs: watchdog: fix obsolete include file reference in pcwdFlavio Suligoi
The file linux/pcwd.h is not more present in the kernel sources. Its information is now moved into the file: include/uapi/linux/watchdog.h Signed-off-by: Flavio Suligoi <f.suligoi@asem.it> Link: https://lore.kernel.org/r/20210223111324.309285-1-f.suligoi@asem.it Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06docs: driver-model: Remove obsolete device class documentationGeert Uytterhoeven
None of this is valid since v2.5.69. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20210225091124.686078-1-geert+renesas@glider.be Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06scripts: kernel-doc: fix typedef support for struct/union parsingAditya Srivastava
Currently, there are ~1290 occurrences in 447 files in the kernel tree 'typedef struct/union' syntax for defining some struct/union. However, kernel-doc currently does not support that syntax. Of the ~1290 occurrences, there are four occurrences in ./include/linux/zstd.h with typedef struct/union syntax and a preceding kernel-doc; all other occurrences have no preceding kernel-doc. Add support for parsing struct/union following this syntax. Signed-off-by: Aditya Srivastava <yashsri421@gmail.com> Link: https://lore.kernel.org/r/20210225145033.11431-1-yashsri421@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06doc: memcontrol: add description for oom_killYang Shi
When debugging an oom issue, I found the oom_kill counter of memcg is confusing. At the first glance without checking document, I thought it just counts for memcg oom, but it turns out it counts both global and memcg oom. The cgroup v2 documents it, but the description is missed for cgroup v1. Signed-off-by: Yang Shi <shy828301@gmail.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Chris Down <chris@chrisdown.name> Link: https://lore.kernel.org/r/20210226021254.3980-1-shy828301@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-06docs: sphinx: Fix couple of spellings in the file rstFlatTable.pyBhaskar Chowdhury
s/automaticly/automatically/ s/buidler/builder/ ..and a sentence construction fix. Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20210301201052.11067-1-unixbhaskar@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-05Linux 5.12-rc2Linus Torvalds
2021-03-05Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds
Pull rdma fixes from Jason Gunthorpe: "Nothing special here, though Bob's regression fixes for rxe would have made it before the rc cycle had there not been such strong winter weather! - Fix corner cases in the rxe reference counting cleanup that are causing regressions in blktests for SRP - Two kdoc fixes so W=1 is clean - Missing error return in error unwind for mlx5 - Wrong lock type nesting in IB CM" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/rxe: Fix errant WARN_ONCE in rxe_completer() RDMA/rxe: Fix extra deref in rxe_rcv_mcast_pkt() RDMA/rxe: Fix missed IB reference counting in loopback RDMA/uverbs: Fix kernel-doc warning of _uverbs_alloc RDMA/mlx5: Set correct kernel-doc identifier IB/mlx5: Add missing error code RDMA/rxe: Fix missing kconfig dependency on CRYPTO RDMA/cm: Fix IRQ restore in ib_send_cm_sidr_rep
2021-03-05Merge tag 'gcc-plugins-v5.12-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull gcc-plugins fixes from Kees Cook: "Tiny gcc-plugin fixes for v5.12-rc2. These issues are small but have been reported a couple times now by static analyzers, so best to get them fixed to reduce the noise. :) - Fix coding style issues (Jason Yan)" * tag 'gcc-plugins-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: gcc-plugins: latent_entropy: remove unneeded semicolon gcc-plugins: structleak: remove unneeded variable 'ret'
2021-03-05Merge tag 'pstore-v5.12-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore fixes from Kees Cook: - Rate-limit ECC warnings (Dmitry Osipenko) - Fix error path check for NULL (Tetsuo Handa) * tag 'pstore-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore/ram: Rate-limit "uncorrectable error in header" message pstore: Fix warning in pstore_kill_sb()
2021-03-05Merge tag 'for-5.12/dm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: "Fix DM verity target's optional Forward Error Correction (FEC) for Reed-Solomon roots that are unaligned to block size" * tag 'for-5.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm verity: fix FEC for RS roots unaligned to block size dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size
2021-03-05Merge tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: - NVMe fixes: - more device quirks (Julian Einwag, Zoltán Böszörményi, Pascal Terjan) - fix a hwmon error return (Daniel Wagner) - fix the keep alive timeout initialization (Martin George) - ensure the model_number can't be changed on a used subsystem (Max Gurtovoy) - rsxx missing -EFAULT on copy_to_user() failure (Dan) - rsxx remove unused linux.h include (Tian) - kill unused RQF_SORTED (Jean) - updated outdated BFQ comments (Joseph) - revert work-around commit for bd_size_lock, since we removed the offending user in this merge window (Damien) * tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-block: nvmet: model_number must be immutable once set nvme-fabrics: fix kato initialization nvme-hwmon: Return error code when registration fails nvme-pci: add quirks for Lexar 256GB SSD nvme-pci: mark Kingston SKC2000 as not supporting the deepest power state nvme-pci: mark Seagate Nytro XM1440 as QUIRK_NO_NS_DESC_LIST. rsxx: Return -EFAULT if copy_to_user() fails block/bfq: update comments and default value in docs for fifo_expire rsxx: remove unused including <linux/version.h> block: Drop leftover references to RQF_SORTED block: revert "block: fix bd_size_lock use"
2021-03-05Merge tag 'io_uring-5.12-2021-03-05' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull io_uring fixes from Jens Axboe: "A bit of a mix between fallout from the worker change, cleanups and reductions now possible from that change, and fixes in general. In detail: - Fully serialize manager and worker creation, fixing races due to that. - Clean up some naming that had gone stale. - SQPOLL fixes. - Fix race condition around task_work rework that went into this merge window. - Implement unshare. Used for when the original task does unshare(2) or setuid/seteuid and friends, drops the original workers and forks new ones. - Drop the only remaining piece of state shuffling we had left, which was cred. Move it into issue instead, and we can drop all of that code too. - Kill f_op->flush() usage. That was such a nasty hack that we had out of necessity, we no longer need it. - Following from ->flush() removal, we can also drop various bits of ctx state related to SQPOLL and cancelations. - Fix an issue with IOPOLL retry, which originally was fallout from a filemap change (removing iov_iter_revert()), but uncovered an issue with iovec re-import too late. - Fix an issue with system suspend. - Use xchg() for fallback work, instead of cmpxchg(). - Properly destroy io-wq on exec. - Add create_io_thread() core helper, and use that in io-wq and io_uring. This allows us to remove various silly completion events related to thread setup. - A few error handling fixes. This should be the grunt of fixes necessary for the new workers, next week should be quieter. We've got a pending series from Pavel on cancelations, and how tasks and rings are indexed. Outside of that, should just be minor fixes. Even with these fixes, we're still killing a net ~80 lines" * tag 'io_uring-5.12-2021-03-05' of git://git.kernel.dk/linux-block: (41 commits) io_uring: don't restrict issue_flags for io_openat io_uring: make SQPOLL thread parking saner io-wq: kill hashed waitqueue before manager exits io_uring: clear IOCB_WAITQ for non -EIOCBQUEUED return io_uring: don't keep looping for more events if we can't flush overflow io_uring: move to using create_io_thread() kernel: provide create_io_thread() helper io_uring: reliably cancel linked timeouts io_uring: cancel-match based on flags io-wq: ensure all pending work is canceled on exit io_uring: ensure that threads freeze on suspend io_uring: remove extra in_idle wake up io_uring: inline __io_queue_async_work() io_uring: inline io_req_clean_work() io_uring: choose right tctx->io_wq for try cancel io_uring: fix -EAGAIN retry with IOPOLL io-wq: fix error path leak of buffered write hash map io_uring: remove sqo_task io_uring: kill sqo_dead and sqo submission halting io_uring: ignore double poll add on the same waitqueue head ...
2021-03-05Merge tag 'pm-5.12-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "These fix the usage of device links in the runtime PM core code and update the DTPM (Dynamic Thermal Power Management) feature added recently. Specifics: - Make the runtime PM core code avoid attempting to suspend supplier devices before updating the PM-runtime status of a consumer to 'suspended' (Rafael Wysocki). - Fix DTPM (Dynamic Thermal Power Management) root node initialization and label that feature as EXPERIMENTAL in Kconfig (Daniel Lezcano)" * tag 'pm-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: powercap/drivers/dtpm: Add the experimental label to the option description powercap/drivers/dtpm: Fix root node initialization PM: runtime: Update device status before letting suppliers suspend
2021-03-05Merge tag 'acpi-5.12-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "Make the empty stubs of some helper functions used when CONFIG_ACPI is not set actually match those functions (Andy Shevchenko)" * tag 'acpi-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: bus: Constify is_acpi_node() and friends (part 2)
2021-03-05Merge tag 'iommu-fixes-v5.12-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: - Fix a sleeping-while-atomic issue in the AMD IOMMU code - Disable lazy IOTLB flush for untrusted devices in the Intel VT-d driver - Fix status code definitions for Intel VT-d - Fix IO Page Fault issue in Tegra IOMMU driver * tag 'iommu-fixes-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/vt-d: Fix status code for Allocate/Free PASID command iommu: Don't use lazy flush for untrusted device iommu/tegra-smmu: Fix mc errors on tegra124-nyan iommu/amd: Fix sleeping in atomic in increase_address_space()
2021-03-05Merge tag 'for-5.12-rc1-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "More regression fixes and stabilization. Regressions: - zoned mode - count zone sizes in wider int types - fix space accounting for read-only block groups - subpage: fix page tail zeroing Fixes: - fix spurious warning when remounting with free space tree - fix warning when creating a directory with smack enabled - ioctl checks for qgroup inheritance when creating a snapshot - qgroup - fix missing unlock on error path in zero range - fix amount of released reservation on error - fix flushing from unsafe context with open transaction, potentially deadlocking - minor build warning fixes" * tag 'for-5.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: zoned: do not account freed region of read-only block group as zone_unusable btrfs: zoned: use sector_t for zone sectors btrfs: subpage: fix the false data csum mismatch error btrfs: fix warning when creating a directory with smack enabled btrfs: don't flush from btrfs_delayed_inode_reserve_metadata btrfs: export and rename qgroup_reserve_meta btrfs: free correct amount of space in btrfs_delayed_inode_reserve_metadata btrfs: fix spurious free_space_tree remount warning btrfs: validate qgroup inherit for SNAP_CREATE_V2 ioctl btrfs: unlock extents in btrfs_zero_range in case of quota reservation errors btrfs: ref-verify: use 'inline void' keyword ordering
2021-03-05Merge tag 'devicetree-fixes-for-5.12-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Another batch of graph and video-interfaces schema conversions - Drop DT header symlink for dropped C6X arch - Fix bcm2711-hdmi schema error * tag 'devicetree-fixes-for-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: media: Use graph and video-interfaces schemas, round 2 dts: drop dangling c6x symlink dt-bindings: bcm2711-hdmi: Fix broken schema
2021-03-05Merge tag 'trace-v5.12-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "Functional fixes: - Fix big endian conversion for arm64 in recordmcount processing - Fix timestamp corruption in ring buffer on discarding events - Fix memory leak in __create_synth_event() - Skip selftests if tracing is disabled as it will cause them to fail. Non-functional fixes: - Fix help text in Kconfig - Remove duplicate prototype for trace_empty() - Fix stale comment about the trace_event_call flags. Self test update: - Add more information to the validation output of when a corrupt timestamp is found in the ring buffer, and also trigger a warning to make sure that tests catch it" * tag 'trace-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix comment about the trace_event_call flags tracing: Skip selftests if tracing is disabled tracing: Fix memory leak in __create_synth_event() ring-buffer: Add a little more information and a WARN when time stamp going backwards is detected ring-buffer: Force before_stamp and write_stamp to be different on discard tracing: Fix help text of TRACEPOINT_BENCHMARK in Kconfig tracing: Remove duplicate declaration from trace.h ftrace: Have recordmcount use w8 to read relp->r_info in arm64_is_fake_mcount
2021-03-05RDMA/rxe: Fix errant WARN_ONCE in rxe_completer()Bob Pearson
In rxe_comp.c in rxe_completer() the function free_pkt() did not clear skb which triggered a warning at 'done:' and could possibly at 'exit:'. The WARN_ONCE() calls are not actually needed. The call to free_pkt() is moved to the end to clearly show that all skbs are freed. Fixes: 899aba891cab ("RDMA/rxe: Fix FIXME in rxe_udp_encap_recv()") Link: https://lore.kernel.org/r/20210304192048.2958-1-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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