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2021-05-20docs/zh_CN: add parisc registers.rst translationYanteng Si2-1/+154
This patch translates Documentation/parisc/registers.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Wu XiangCheng <bobwxc@email.cn> Link: https://lore.kernel.org/r/b8375b5cd2c5163691691fe4757511ce984f3b83.1620805100.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs/zh_CN: add parisc debugging.rst translationYanteng Si2-1/+47
This patch translates Documentation/parisc/debugging.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Link: https://lore.kernel.org/r/32661b39374f012442b760444ef149afcc0d22af.1620805100.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs/zh_CN: add parisc index translationYanteng Si2-1/+25
This patch translates Documentation/parisc/index.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Wu XiangCheng <bobwxc@email.cn> Link: https://lore.kernel.org/r/c13ce34b11a65e1f18c4e37566509ead82f2c15f.1620805100.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: Add more message type documentations for checkpatchDwaipayan Ray1-7/+163
- Document a couple of more checkpatch message types. - Add a blank line before all `See:` lines to improve the rst output. - Create a new subsection `Permissions` and move a few types to it. Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com> Acked-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Link: https://lore.kernel.org/r/20210515132348.19082-1-dwaipayanray1@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: Use fallthrough pseudo-keywordWei Ming Chen2-2/+2
Replace /* fall through */ comment with fallthrough, make it align with original process/coding-style.rst Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com> Link: https://lore.kernel.org/r/20210515155142.2490-1-jj251510319013@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20samples/kprobes: Fix typo in handler_post()Tiezhu Yang1-16/+17
It should use post_handler instead of pre_handler in handler_post(). As Joe Perches suggested, it would be better to use pr_fmt and remove all the embedded pre/post/fault strings. This would change the style of the output through. Fixes: e16c5dd5157e ("samples/kprobes: Add s390 case in kprobe example module") Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Acked-by: Marc Koderer <marc@koderer.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Link: https://lore.kernel.org/r/1621218083-23519-3-git-send-email-yangtiezhu@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20samples/kprobes: Fix typo in handler_fault()Tiezhu Yang1-1/+1
Fix a defective format in handler_fault() ending with an 'n' that should be '\n'. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Link: https://lore.kernel.org/r/1621218083-23519-2-git-send-email-yangtiezhu@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: ABI: sysfs-class-led-trigger-pattern: remove repeat duplicationMauro Carvalho Chehab2-9/+3
As reported by scripts/get_abi.pl: Warning: /sys/class/leds/<led>/repeat is defined 2 times: Documentation/ABI/testing/sysfs-class-led-driver-el15203000:0 Documentation/ABI/testing/sysfs-class-led-trigger-pattern:28 The definition for the EL15203000 is just a special case of the sysfs led class. So, drop it and mentions the possible exception at the class definition. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/394580bd2e007ffb640f97212973a772ed8f0409.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: ABI: sysfs-class-backlight: unify ambient light zone nodesMauro Carvalho Chehab4-100/+100
./scripts/get_abi.pl is warning about duplicated symbol definition: Warning: /sys/class/backlight/<backlight>/l1_daylight_max is defined 2 times: ./Documentation/ABI/testing/sysfs-class-backlight-driver-adp8870:4 ./Documentation/ABI/testing/sysfs-class-backlight-adp8860:12 What happens is that 3 drivers use the same pattern to report max and dim setting for different ambient light zones. It should be noticed that the adp8870 doc was missing an entry for l1_daylight_dim, which was fixed on this patch. While the ambient light zone is device-specific, the sysfs definition is actually common. So, unify them at: Documentation/ABI/testing/sysfs-class-backlight and use as the contact point, the e-mail reported by get_maintainers.pl for the subsystem. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/c13c6ebd03cd04a0d15d89018f8d529918fc0a73.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: ABI: iommu: remove duplicated definition for sysfs-kernel-iommu_groupsMauro Carvalho Chehab1-8/+4
./scripts/get_abi.pl is reporting a duplicated definition for /sys/kernel/iommu_groups/reserved_regions, both at the same file: Warning: /sys/kernel/iommu_groups/reserved_regions is defined 2 times: Documentation/ABI/testing/sysfs-kernel-iommu_groups:15 Documentation/ABI/testing/sysfs-kernel-iommu_groups:27 Fix it by merging those into an unified entry. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/ec33e8e9b8f120232ffb3b9fcc99c97b87f242e3.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: virt: api.rst: fix a pointer to SGX documentationMauro Carvalho Chehab1-1/+1
The document which describes the SGX kernel architecture was added at commit 3fa97bf00126 ("Documentation/x86: Document SGX kernel architecture") but the reference at virt/kvm/api.rst is pointing to some non-existing document. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/138c24633c6e4edf862a2b4d77033c603fc10406.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: update pin-control.rst referencesMauro Carvalho Chehab3-3/+3
Changeset 5513b411ea5b ("Documentation: rename pinctl to pin-control") renamed: Documentation/driver-api/pinctl.rst to: Documentation/driver-api/pin-control.rst. Update the cross-references accordingly. Fixes: 5513b411ea5b ("Documentation: rename pinctl to pin-control") Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Acked-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/46ac2e918c7c4a4b701d54870f167b78466ec578.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: sched-bwc.rst: fix a typo on a doc nameMauro Carvalho Chehab1-1/+1
cgroupv2.rst -> cgroup-v2.rst Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/1dc0203bd7df375ef45832f0c88566e22c4138ff.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: translations/zh_CN: fix a typo at 8.Conclusion.rstMauro Carvalho Chehab1-1/+1
transaltions -> translations Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Wu XiangCheng <bobwxc@email.cn> Link: https://lore.kernel.org/r/40b3d5c983fb06d8a58d1f613c175a98e0631677.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: vcpu-requests.rst: fix reference for atomic opsMauro Carvalho Chehab1-1/+1
Changeset f0400a77ebdc ("atomic: Delete obsolete documentation") got rid of atomic_ops.rst, pointing that this was superseded by Documentation/atomic_*.txt. Update its reference accordingly. Fixes: f0400a77ebdc ("atomic: Delete obsolete documentation") Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/703af756ac26a06c2185c05dfe6d902253f11161.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-20docs: update sysfs-platform_profile.rst referenceMauro Carvalho Chehab1-1/+1
The file name: Documentation/ABI/testing/sysfs-platform_profile.rst should be, instead: Documentation/userspace-api/sysfs-platform_profile.rst. Update its cross-reference accordingly. Fixes: a2ff95e018f1 ("ACPI: platform: Add platform profile support") Fixes: 8e0cbf356377 ("Documentation: Add documentation for new platform_profile sysfs attribute") Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mark Pearson <markpearson@lenovo.com> Link: https://lore.kernel.org/r/295089effd8353578b9725c61c0453d920978d72.1621413933.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17Documentation: scheduler: fixed 2 typos in sched-nice-design.rstChun-Hung Tseng1-1/+1
This patch fixed 2 spelling errors in the documentation. Signed-off-by: Chun-Hung Tseng <henrybear327@gmail.com> Link: https://lore.kernel.org/r/20210516105955.120651-1-henrybear327@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: add core api kobject translationYanteng Si2-1/+383
This patch translates Documentation/core-api/kobject.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Alex Shi <alexs@kernel.org> Reviewed-by: Wu XiangCheng <bobwxc@email.cn> Link: https://lore.kernel.org/r/20210517133748.3461357-1-siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: add core-api workqueue.rst translationYanteng Si2-1/+338
This patch translates Documentation/core-api/workqueue.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Alex Shi <alexs@kernel.org> Link: https://lore.kernel.org/r/20210517132927.3461185-1-siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: add core-api printk-formats.rst translationYanteng Si2-1/+581
This patch translates Documentation/core-api/printk-formats.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alexs@kernel.org> Reviewed-by: Jiaxun Yang <jaixun.yang@flygoat.com> Link: https://lore.kernel.org/r/b9dea1426e43d8848f1a8b7319c002418aebd3df.1621239725.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: add core-api printk-basics.rst translationYanteng Si2-1/+111
This patch translates Documentation/core-api/printk-basics.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alexs@kernel.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Link: https://lore.kernel.org/r/1610df76720b69f3f81bff27403e70e86c0875c5.1621239725.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: add core-api kernel-api.rst translationYanteng Si2-1/+373
This patch translates Documentation/core-api/kernel-api.rst into Chinese. Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Alex Shi <alexs@kernel.org> Link: https://lore.kernel.org/r/d79e2d1f37bae52ce6fce0efb2fa4a32a89165fb.1621239725.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: Add translation zh_CN/maintainer/modifying-patches.rstWu XiangCheng2-3/+52
Add a new translation Documentation/translations/zh_CN/maintainer/modifying-patches.rst and link it to zh_CN/maintainer/index.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Yanteng Si <siyanteng@loongson.cn> Link: https://lore.kernel.org/r/35e6878cb634db61c573fc7fdc69ef4c5d8ae31c.1621243426.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: Add translation zh_CN/maintainer/maintainer-entry-profile.rstWu XiangCheng2-1/+93
Add a new translation Documentation/translations/zh_CN/maintainer/maintainer-entry-profile.rst and link it to zh_CN/maintainer/index.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Yanteng Si <siyanteng@loongson.cn> Link: https://lore.kernel.org/r/e5b0838317cbc2f8fb3a9480f4604b6f099db975.1621243426.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: Add translation zh_CN/maintainer/pull-requests.rstWu XiangCheng2-1/+149
Add a new translation Documentation/translations/zh_CN/maintainer/pull-requests.rst and link it to zh_CN/maintainer/index.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Yanteng Si <siyanteng@loongson.cn> Link: https://lore.kernel.org/r/4774d1b7976678ce97c4356bd71509df0cec1ffc.1621243426.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: Add translation zh_CN/maintainer/rebasing-and-merging.rstWu XiangCheng2-1/+166
Add a new translation Documentation/translations/zh_CN/maintainer/rebasing-and-merging.rst and link it to zh_CN/maintainer/index.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Yanteng Si <siyanteng@loongson.cn> Link: https://lore.kernel.org/r/040f93d0f773a0c9c8d6637701ba269d816a6385.1621243426.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: Add translation zh_CN/maintainer/configure-git.rstWu XiangCheng2-1/+67
Add a new translation Documentation/translations/zh_CN/maintainer/configure-git.rst and link it to zh_CN/maintainer/index.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Yanteng Si <siyanteng@loongson.cn> Link: https://lore.kernel.org/r/dcf6addd89eba3777b9b59d8b506fa162fbcd828.1621243426.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17docs/zh_CN: Add translation zh_CN/maintainer/index.rstWu XiangCheng2-1/+20
Add a new translation Documentation/translations/zh_CN/maintainer/index.rst and link it to zh_CN/index.rst Signed-off-by: Wu XiangCheng <bobwxc@email.cn> Reviewed-by: Yanteng Si <siyanteng@loongson.cn> Link: https://lore.kernel.org/r/224959c4cdcd4c6554035145d5cedcd244887552.1621243426.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-17scripts: kernel-doc: reduce repeated regex expressions into variablesAditya Srivastava1-37/+34
There are some regex expressions in the kernel-doc script, which are used repeatedly in the script. Reduce such expressions into variables, which can be used everywhere. A quick manual check found that no errors and warnings were added/removed in this process. Suggested-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Aditya Srivastava <yashsri421@gmail.com> Link: https://lore.kernel.org/r/20210514144244.25341-1-yashsri421@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-13docs: usb: function: Modify path nameWei Ming Chen1-1/+1
Original path does not exists, so changed to "Documentation/ABI/testing/configfs-usb-gadget" Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com> Link: https://lore.kernel.org/r/20210506122020.7117-1-jj251510319013@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-13docs: admin-guide: update description for kernel.hotplug sysctlRasmus Villemoes1-1/+6
It's been a few releases since this defaulted to /sbin/hotplug. Update the text, and include pointers to the two CONFIG_UEVENT_HELPER{,_PATH} config knobs whose help text could provide more info, but also hint that the user probably doesn't need to care at all. Fixes: 7934779a69f1 ("Driver-Core: disable /sbin/hotplug by default") Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Link: https://lore.kernel.org/r/20210420120638.1104016-1-linux@rasmusvillemoes.dk Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-13docs: typo fixes in Documentation/ABI/Carlos Bilbao17-28/+28
Fix the following typos in the Documentation/ABI/ directory: - In file obsolete/sysfs-cpuidle, change "obselete" for "obsolete". - In file removed/sysfs-kernel-uids, change "propotional" for "proportional". - In directory stable/, fix the following words: "associtated" for "associated", "hexidecimal" for "hexadecimal", "vlue" for "value", "csed" for "caused" and "wrtie" for "write". This updates a total of five files. - In directory testing/, fix the following words: "subystem" for "subsystem", "isochrnous" for "isochronous", "Desctiptors" for "Descriptors", "picutre" for "picture", "capture" for "capture", "occured" for "ocurred", "connnected" for "connected","agressively" for "aggressively","manufacturee" for "manufacturer" and "transaction" for "transaction", "malformatted" for "incorrectly formated" ,"internel" for "internal", "writtento" for "written to", "specificed" for "specified", "beyound" for "beyond", "Symetric" for "Symmetric". This updates a total of eleven files. Signed-off-by: Carlos Bilbao <bilbao@vt.edu> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5710038.lOV4Wx5bFT@iron-maiden Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-11Remove link to nonexistent rocket driver docsDesmond Cheong Zhi Xi1-1/+0
The rocket driver and documentation were removed in this commit, but the corresponding entry in index.rst was not removed. Signed-off-by: Desmond Cheong Zhi Xi <desmondcheongzx@gmail.com> Fixes: 3b00b6af7a5b ("tty: rocket, remove the driver") Link: https://lore.kernel.org/r/20210511134937.2442291-1-desmondcheongzx@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-11docs: networking: device_drivers: fix bad usage of UTF-8 charsMauro Carvalho Chehab2-3/+3
Probably because the original file was pre-processed by some tool, both i40e.rst and iavf.rst files are using this character: - U+2013 ('–'): EN DASH meaning an hyphen when calling a command line application, which is obviously wrong. So, replace them by an hyphen, ensuring that it will be properly displayed as literals when building the documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/95eb2a48d0ca3528780ce0dfce64359977fa8cb3.1620744606.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-11docs: hwmon: tmp103.rst: fix bad usage of UTF-8 charsMauro Carvalho Chehab1-2/+2
While UTF-8 characters can be used at the Linux documentation, the best is to use them only when ASCII doesn't offer a good replacement. So, replace the occurences of the following UTF-8 characters: - U+2013 ('–'): EN DASH In this specific case, EN DASH was used instead of a minus sign. So, replace it by a single hyphen. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/73b3c7c1eef5c12ddc941624d23689313bd56529.1620744606.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-11docs: ABI: remove some spurious charactersMauro Carvalho Chehab1-2/+2
The KernelVersion tag contains some spurious UTF-8 characters for no reason. Drop them. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/6d774ad6cb3795a177309503a39f8f1b5e309d64.1620744606.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-11docs: ABI: remove a meaningless UTF-8 characterMauro Carvalho Chehab2-2/+2
Those two files have this character: - U+00ac ('¬'): NOT SIGN at the end of the first line, apparently for no reason. Drop them. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/6cd3f0b47568fecb7889fd18d1d744c3aaf73866.1620744606.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-11docs: cdrom-standard.rst: get rid of uneeded UTF-8 charsMauro Carvalho Chehab1-15/+15
This file was converted from a LaTeX one. The conversion used some UTF-8 characters at the literal blocks. Replace them by normal ASCII characters. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Jens Axboe <axboe@kernel.dk> Link: https://lore.kernel.org/r/79c3f482da17ea48d69b6e6ad1b7fb102b9dd7bf.1620744606.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-10Documentation: drop optional BOMsRandy Dunlap6-6/+6
A few of the Documentation .rst files begin with a Unicode byte order mark (BOM). The BOM may signify endianess for 16-bit or 32-bit encodings or indicate that the text stream is indeed Unicode. We don't need it for either of those uses. It may also interfere with (confuse) some software. Since we don't need it and its use is optional, just delete the uses of it in Documentation/. https://en.wikipedia.org/wiki/Byte_order_mark Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Link: https://lore.kernel.org/r/20210506231907.14359-1-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-10docs/zh_CN: Remove obsolete translation fileWan Jiabing1-50/+0
This translation file was replaced by Documentation/translations/zh_CN/admin-guide/security-bugs.rst which was created in commit 2d153571003b ("docs/zh_CN: Add zh_CN/admin-guide/security-bugs.rst"). This is a translation left over from history. Remove it. Signed-off-by: Wan Jiabing <wanjiabing@vivo.com> Acked-by: Wu XiangCheng <bobwxc@email.cn> Link: https://lore.kernel.org/r/20210508030741.82655-1-wanjiabing@vivo.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-05-09Linux 5.13-rc1Linus Torvalds1-2/+2
2021-05-09fbmem: fix horribly incorrect placement of __maybe_unusedLinus Torvalds1-1/+1
Commit b9d79e4ca4ff ("fbmem: Mark proc_fb_seq_ops as __maybe_unused") places the '__maybe_unused' in an entirely incorrect location between the "struct" keyword and the structure name. It's a wonder that gcc accepts that silently, but clang quite reasonably warns about it: drivers/video/fbdev/core/fbmem.c:736:21: warning: attribute declaration must precede definition [-Wignored-attributes] static const struct __maybe_unused seq_operations proc_fb_seq_ops = { ^ Fix it. Cc: Guenter Roeck <linux@roeck-us.net> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-08Revert "bio: limit bio max size"Jens Axboe4-21/+3
This reverts commit cd2c7545ae1beac3b6aae033c7f31193b3255946. Alex reports that the commit causes corruption with LUKS on ext4. Revert it for now so that this can be investigated properly. Link: https://lore.kernel.org/linux-block/1620493841.bxdq8r5haw.none@localhost/ Reported-by: Alex Xu (Hello71) <alex_y_xu@yahoo.ca> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-05-08drm/i915/display: fix compiler warning about array overrunLinus Torvalds1-1/+12
intel_dp_check_mst_status() uses a 14-byte array to read the DPRX Event Status Indicator data, but then passes that buffer at offset 10 off as an argument to drm_dp_channel_eq_ok(). End result: there are only 4 bytes remaining of the buffer, yet drm_dp_channel_eq_ok() wants a 6-byte buffer. gcc-11 correctly warns about this case: drivers/gpu/drm/i915/display/intel_dp.c: In function ‘intel_dp_check_mst_status’: drivers/gpu/drm/i915/display/intel_dp.c:3491:22: warning: ‘drm_dp_channel_eq_ok’ reading 6 bytes from a region of size 4 [-Wstringop-overread] 3491 | !drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/display/intel_dp.c:3491:22: note: referencing argument 1 of type ‘const u8 *’ {aka ‘const unsigned char *’} In file included from drivers/gpu/drm/i915/display/intel_dp.c:38: include/drm/drm_dp_helper.h:1466:6: note: in a call to function ‘drm_dp_channel_eq_ok’ 1466 | bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE], | ^~~~~~~~~~~~~~~~~~~~ 6:14 elapsed This commit just extends the original array by 2 zero-initialized bytes, avoiding the warning. There may be some underlying bug in here that caused this confusion, but this is at least no worse than the existing situation that could use random data off the stack. Cc: Jani Nikula <jani.nikula@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dave Airlie <airlied@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-08smb3: if max_channels set to more than one channel request multichannelSteve French1-0/+3
Mounting with "multichannel" is obviously implied if user requested more than one channel on mount (ie mount parm max_channels>1). Currently both have to be specified. Fix that so that if max_channels is greater than 1 on mount, enable multichannel rather than silently falling back to non-multichannel. Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-By: Tom Talpey <tom@talpey.com> Cc: <stable@vger.kernel.org> # v5.11+ Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
2021-05-08smb3: do not attempt multichannel to server which does not support itSteve French1-0/+6
We were ignoring CAP_MULTI_CHANNEL in the server response - if the server doesn't support multichannel we should not be attempting it. See MS-SMB2 section 3.2.5.2 Reviewed-by: Shyam Prasad N <sprasad@microsoft.com> Reviewed-By: Tom Talpey <tom@talpey.com> Cc: <stable@vger.kernel.org> # v5.8+ Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-08smb3: when mounting with multichannel include it in requested capabilitiesSteve French1-0/+5
In the SMB3/SMB3.1.1 negotiate protocol request, we are supposed to advertise CAP_MULTICHANNEL capability when establishing multiple channels has been requested by the user doing the mount. See MS-SMB2 sections 2.2.3 and 3.2.5.2 Without setting it there is some risk that multichannel could fail if the server interpreted the field strictly. Reviewed-By: Tom Talpey <tom@talpey.com> Reviewed-by: Shyam Prasad N <sprasad@microsoft.com> Cc: <stable@vger.kernel.org> # v5.8+ Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-09linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>Masahiro Yamada3-6/+5
<linux/kconfig.h> is included from all the kernel-space source files, including C, assembly, linker scripts. It is intended to contain a minimal set of macros to evaluate CONFIG options. IF_ENABLED() is an intruder here because (x ? y : z) is C code, which should not be included from assembly files or linker scripts. Also, <linux/kconfig.h> is no longer self-contained because NULL is defined in <linux/stddef.h>. Move IF_ENABLED() out to <linux/kernel.h> as PTR_IF(). PTF_IF() takes the general boolean expression instead of a CONFIG option so that it fits better in <linux/kernel.h>. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org>
2021-05-07atm: firestream: Use fallthrough pseudo-keywordWei Ming Chen1-0/+1
Add pseudo-keyword macro fallthrough[1] [1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com> Link: https://lore.kernel.org/r/20210507123843.10602-1-jj251510319013@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-07net: stmmac: Do not enable RX FIFO overflow interruptsYannick Vignon2-18/+3
The RX FIFO overflows when the system is not able to process all received packets and they start accumulating (first in the DMA queue in memory, then in the FIFO). An interrupt is then raised for each overflowing packet and handled in stmmac_interrupt(). This is counter-productive, since it brings the system (or more likely, one CPU core) to its knees to process the FIFO overflow interrupts. stmmac_interrupt() handles overflow interrupts by writing the rx tail ptr into the corresponding hardware register (according to the MAC spec, this has the effect of restarting the MAC DMA). However, without freeing any rx descriptors, the DMA stops right away, and another overflow interrupt is raised as the FIFO overflows again. Since the DMA is already restarted at the end of stmmac_rx_refill() after freeing descriptors, disabling FIFO overflow interrupts and the corresponding handling code has no side effect, and eliminates the interrupt storm when the RX FIFO overflows. Signed-off-by: Yannick Vignon <yannick.vignon@nxp.com> Link: https://lore.kernel.org/r/20210506143312.20784-1-yannick.vignon@oss.nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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