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2022-09-27drm/amd/display: Add explicit FIFO disable for DP blankNicholas Kazlauskas1-1/+11
[Why] We rely on DMCUB to do this when disabling the link but it should actually come before we disable the DP VID stream. If we don't then the FIFO can end up with underflow that persists the next time it's enabled. [How] Add a DCN314 specific blank sequence that will disable the DIG FIFO first. Reviewed-by: Syed Hassan <[email protected]> Acked-by: Jasdeep Dhillon <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amd/display: Wrap OTG disable workaround with FIFO controlNicholas Kazlauskas1-1/+10
[Why] The DIO FIFO will underflow if we turn off the OTG before we turn off the FIFO. Since this happens as part of the OTG workaround and we don't reset the FIFO afterwards we see the error persist. [How] Add disable FIFO before the disable CRTC and enable FIFO after enabling the CRTC. Reviewed-by: Syed Hassan <[email protected]> Acked-by: Jasdeep Dhillon <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amd/display: Do DIO FIFO enable after DP video stream enableNicholas Kazlauskas1-5/+8
[Why] Avoids a race condition where DIO FIFO can underflow due to no incoming data available. [How] Shift the FIFO enable below stream enable. Make sure fullness level is written before the DIO reset takes place and that we're not doing it twice. Reviewed-by: Syed Hassan <[email protected]> Acked-by: Jasdeep Dhillon <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amd/display: Update DCN32 to use new SR latenciesAlvin Lee1-2/+2
[Description] Update to new SR latencies for DCN32 Reviewed-by: Nevenko Stupar <[email protected]> Reviewed-by: Jun Lei <[email protected]> Acked-by: Jasdeep Dhillon <[email protected]> Signed-off-by: Alvin Lee <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amd/display: Avoid avoid unnecessary pixel rate divider programmingTaimur Hassan1-0/+47
[Why] Programming pixel rate divider when FIFO is enabled can cause FIFO error. [How] Skip divider programming when divider values are the same to prevent FIFO error. Reviewed-by: Nicholas Kazlauskas <[email protected]> Acked-by: Jasdeep Dhillon <[email protected]> Signed-off-by: Taimur Hassan <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amdkfd: fix dropped interrupt in kfd_int_process_v11Graham Sider1-3/+3
Shader wave interrupts were getting dropped in event_interrupt_wq_v11 if the PRIV bit was set to 1. This would often lead to a hang. Until debugger logic is upstreamed, expand comment to stop early return. Signed-off-by: Graham Sider <[email protected]> Reviewed-by: Harish Kasiviswanathan <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amdgpu: pass queue size and is_aql_queue to MESGraham Sider4-1/+10
Update mes_v11_api_def.h add_queue API with is_aql_queue parameter. Also re-use gds_size for the queue size (unused for KFD). MES requires the queue size in order to compute the actual wptr offset within the queue RB since it increases monotonically for AQL queues. v2: Make is_aql_queue assign clearer Signed-off-by: Graham Sider <[email protected]> Reviewed-by: Felix Kuehling <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amdkfd: fix MQD init for GFX11 in init_mqdGraham Sider1-0/+4
Set remaining compute_static_thread_mgmt_se* accordingly. Signed-off-by: Graham Sider <[email protected]> Acked-by: Alex Deucher <[email protected]> Reviewed-by: Felix Kuehling <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amd/pm: use adverse selection for dpm features unsupported by driverEvan Quan1-61/+24
It's vbios and pmfw instead of driver who decide whether some dpm features is supported or not. Driver just de-selects those features which are not permitted on user's request. Thus, we use adverse selects model. Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amd/pm: enable gfxoff feature for SMU 13.0.0Evan Quan1-3/+5
The feature is ready with latest 78.58.0 PMFW. Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27drm/amdgpu: avoid gfx register accessing during gfxoffEvan Quan1-0/+4
Make sure gfxoff is disabled before gfx register accessing. Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2022-09-27x86/alternative: Fix race in try_get_desc()Nadav Amit1-22/+23
I encountered some occasional crashes of poke_int3_handler() when kprobes are set, while accessing desc->vec. The text poke mechanism claims to have an RCU-like behavior, but it does not appear that there is any quiescent state to ensure that nobody holds reference to desc. As a result, the following race appears to be possible, which can lead to memory corruption. CPU0 CPU1 ---- ---- text_poke_bp_batch() -> smp_store_release(&bp_desc, &desc) [ notice that desc is on the stack ] poke_int3_handler() [ int3 might be kprobe's so sync events are do not help ] -> try_get_desc(descp=&bp_desc) desc = __READ_ONCE(bp_desc) if (!desc) [false, success] WRITE_ONCE(bp_desc, NULL); atomic_dec_and_test(&desc.refs) [ success, desc space on the stack is being reused and might have non-zero value. ] arch_atomic_inc_not_zero(&desc->refs) [ might succeed since desc points to stack memory that was freed and might be reused. ] Fix this issue with small backportable patch. Instead of trying to make RCU-like behavior for bp_desc, just eliminate the unnecessary level of indirection of bp_desc, and hold the whole descriptor as a global. Anyhow, there is only a single descriptor at any given moment. Fixes: 1f676247f36a4 ("x86/alternatives: Implement a better poke_int3_handler() completion scheme") Signed-off-by: Nadav Amit <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected]
2022-09-27MIPS: Lantiq: vmmc: fix compile break introduced by gpiod patchDmitry Torokhov1-3/+5
"MIPS: Lantiq: switch vmmc to use gpiod API" patch introduced compile errors, this patch fixes them. Signed-off-by: Dmitry Torokhov <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-09-27Documentation: devres: add missing SPI helperYang Yingliang1-0/+2
Add devm_spi_alloc_master() and devm_spi_alloc_slave() to devres.rst. They are introduced by commit 5e844cc37a5c ("spi: Introduce device-managed SPI controller allocation"). Signed-off-by: Yang Yingliang <[email protected]> Reviewed-by: Lukas Wunner <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation: devres: add missing PINCTRL helpersYang Yingliang1-0/+2
Add devm_pinctrl_get_select() and devm_pinctrl_register_and_init() to devres.rst. Signed-off-by: Yang Yingliang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs: hugetlbpage.rst: fix a typo of hugepage sizeHoi Pok Wu1-1/+1
should be kB instead of Kb Signed-off-by: Hoi Pok Wu <[email protected]> Reviewed-by: Muchun Song <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: Add new translation of admin-guide/bootconfig.rstWu XiangCheng2-1/+294
The last English version used: commit 2f51efc6b71d ("docs: bootconfig: Add how to embed the bootconfig into kernel") Signed-off-by: Wu XiangCheng <[email protected]> Reviewed-by: Yanteng Si <[email protected]> Link: https://lore.kernel.org/r/386249dc333a3e40b80c3a9483d60d2bfd24a6c4.1663850554.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: Update zh_CN/admin-guide/README.rst to 6.0-rc2Wu XiangCheng1-79/+22
* update to commit ea052e7257bd ("docs: admin-guide: for kernel bugs refer to other kernel documentation") We are in 6.x now ;) Signed-off-by: Wu XiangCheng <[email protected]> Reviewed-by: Yanteng Si <[email protected]> Link: https://lore.kernel.org/r/7f6e0b8961f79befa62e0070f9682ab3abde8622.1663850554.git.bobwxc@email.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: core-api: Add packing Chinese translationBinbin Zhou2-1/+161
Translate core-api/packing.rst into Chinese. Last English version used: commit 1ec779b9fabc ("docs: packing: move it to core-api book and adjust markups"). Signed-off-by: Binbin Zhou <[email protected]> Reviewed-by: Wu XiangCheng <[email protected]> Reviewed-by: Yanteng Si<[email protected]> Reviewed-by: Alex Shi <[email protected]> Link: https://lore.kernel.org/r/96b19575ca7e9e23941e8a5ef92120f1bffbc518.1660881950.git.zhoubinbin@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: core-api: Add generic-radix-tree Chinese translationBinbin Zhou2-1/+24
Translate core-api/generic-radix-tree.rst into Chinese. Last English version used: commit ba20ba2e3743 ("generic radix trees"). Signed-off-by: Binbin Zhou <[email protected]> Reviewed-by: Wu XiangCheng <[email protected]> Reviewed-by: Yanteng Si<[email protected]> Reviewed-by: Alex Shi <[email protected]> Link: https://lore.kernel.org/r/aad94e2a053ae021eb4d63240690b05c2f3e8dec.1660881950.git.zhoubinbin@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: core-api: Add circular-buffers Chinese translationBinbin Zhou2-1/+211
Translate core-api/circular-buffers.rst into Chinese. Last English version used: commit 714b6904e23e ("doc: Remove ".vnet" from paulmck email addresses"). Signed-off-by: Binbin Zhou <[email protected]> Reviewed-by: Wu XiangCheng <[email protected]> Reviewed-by: Yanteng Si<[email protected]> Link: https://lore.kernel.org/r/6b94f233dd4b4a9e6da6fa2f86a9b1d32f104004.1660881950.git.zhoubinbin@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: core-api: Add idr Chinese translationBinbin Zhou2-1/+81
Translate core-api/idr.rst into Chinese. Last English version used: commit 85656ec193e9 ("IDR: Note that the IDR API is deprecated"). Signed-off-by: Binbin Zhou <[email protected]> Reviewed-by: Wu XiangCheng <[email protected]> Reviewed-by: Yanteng Si<[email protected]> Reviewed-by: Alex Shi <[email protected]> Link: https://lore.kernel.org/r/9f578ea087df7ef8665fc08541d208e7429176ec.1660881950.git.zhoubinbin@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs: x86: replace do_IRQ int the entry_64.rst with common_interrupt()Tuo Cao1-2/+2
do_IRQ has been replaced by common_interrupt in commit fa5e5c409213 ("x86/entry: Use idtentry for interrupts"). Signed-off-by: Tuo Cao <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27usb: chipidea: clarify Documentation/ABI textRandy Dunlap1-3/+3
Fix grammar and improve readability of chipidea-usb2 text. Signed-off-by: Randy Dunlap <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Peter Chen <[email protected]> Cc: [email protected] Acked-by: Peter Chen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation: W1: minor typo correctionsRandy Dunlap2-2/+2
Correct one typo/spello and remove one duplicated word in the W1 documentation. Signed-off-by: Randy Dunlap <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: [email protected] Cc: Evgeniy Polyakov <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation: fb: udlfb: clean up text and formattingRandy Dunlap1-8/+15
Clean up punctuation, spelling, and formatting for command line usage and modprobe config file usage in udlfb.rst. Signed-off-by: Randy Dunlap <[email protected]> Cc: Bernie Thompson <[email protected]> Cc: [email protected] Cc: [email protected] Cc: Helge Deller <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: [email protected] Cc: Bagas Sanjaya <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/core-api: expand Fedora instructions for GCC pluginsRobert Elliott1-1/+18
In Fedora 36, cross-compiling an allmodconfig configuration for other architectures on x86 fails with this problem: In file included from ../scripts/gcc-plugins/gcc-common.h:95, from ../scripts/gcc-plugins/latent_entropy_plugin.c:78: /usr/lib/gcc/aarch64-linux-gnu/12/plugin/include/builtins.h:23:10: fatal error: mpc.h: No such file or directory 23 | #include <mpc.h> | ^~~~~~~ compilation terminated. In that distro, that header file is available in the separate libmpc-devel package. Although future versions of Fedora might correctly mark that dependency, mention this additional package. To help detect such problems ahead of time, describe the gcc -print-file-name=plugin command that is used by scripts/gcc-plugins/Kconfig to detect plugins [1]. [1] https://lore.kernel.org/lkml/CAHk-=wjjiYjCp61gdAMpDOsUBU-A2hFFKJoVx5VAC7yV4K6WYg@xxxxxxxxxxxxxx/ Fixes: 43e96ef8b70c50f ("docs/core-api: Add Fedora instructions for GCC plugins"); Signed-off-by: Robert Elliott <[email protected]> Reviewed-by: Kees Cook <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation: spufs: correct a duplicate word typoRandy Dunlap1-1/+1
Fix a typo of "or" which should be "of". Signed-off-by: Randy Dunlap <[email protected]> Cc: Jeremy Kerr <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: [email protected] Cc: Jonathan Corbet <[email protected]> Reviewed-by: Jeremy Kerr <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: Update zh_CN/process/coding-style.rst to 6.0-rc2Wu XiangCheng1-72/+202
* update to commit c04639a7d2fb ("coding-style.rst: trivial: fix location of driver model macros") Signed-off-by: Wu XiangCheng <[email protected]> Reviewed-by: Yanteng Si <[email protected]> Reviewed-by: Alex Shi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation/hw-vuln: Update spectre docLin Yujun1-0/+1
commit 7c693f54c873691 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS") adds the "ibrs " option in Documentation/admin-guide/kernel-parameters.txt but omits it to Documentation/admin-guide/hw-vuln/spectre.rst, add it. Signed-off-by: Lin Yujun <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation: filesystems: correct possessive "its"Randy Dunlap4-8/+7
Change occurrences of "it's" that are possessive to "its" so that they don't read as "it is". For f2fs.rst, reword one description for better clarity. Signed-off-by: Randy Dunlap <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: Christian Brauner <[email protected]> Cc: Seth Forshee <[email protected]> Cc: Al Viro <[email protected]> Cc: Theodore Ts'o <[email protected]> Cc: Jaegeuk Kim <[email protected]> Reviewed-by: Darrick J. Wong <[email protected]> Reviewed-by: "Christian Brauner (Microsoft)" <[email protected]> Reviewed-by: Chao Yu <[email protected]> Reviewed-by: Jaegeuk Kim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation: stable: Document alternative for referring upstream commit hashSalvatore Bonaccorso1-0/+6
Additionally to the "commit <sha1> upstream." variant, "[ Upstream commit <sha1> ]" is used as well as alternative to refer to the upstream commit hash. Signed-off-by: Salvatore Bonaccorso <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs: update mediator information in CoC docsShuah Khan1-1/+1
Update mediator information in the CoC interpretation document. Signed-off-by: Shuah Khan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Cc: [email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: add dt kernel-api translationYanteng Si2-4/+59
Translte .../devicetree/kernel-api.rst into Chinese. Signed-off-by: Yanteng Si <[email protected]> Reviewed-by: Alex Shi <[email protected]> Link: https://lore.kernel.org/r/35fd1b5801d7191e078937908008115f8949aac3.1662449105.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: add dt overlay-notes translationYanteng Si2-4/+141
Translate .../devicetree/overlay-notes.rst into Chinese. Signed-off-by: Yanteng Si <[email protected]> Reviewed-by: Alex Shi <[email protected]> Link: https://lore.kernel.org/r/b957580e448e2d0ab7917644c8f8f1614060b20a.1662449105.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: add dt dynamic-resolution-notes translationYanteng Si2-1/+32
Translate .../devicetree/dynamic-resolution-notes.rst into Chinese. Signed-off-by: Yanteng Si <[email protected]> Reviewed-by: Alex Shi <[email protected]> Link: https://lore.kernel.org/r/d8b7c06fe8fdb58cb2ec6989e09f9999aca2d8d1.1662449105.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: add dt changesets translationYanteng Si2-1/+39
Translate .../devicetree/changesets.rst into Chinese. Signed-off-by: Yanteng Si <[email protected]> Reviewed-by: Alex Shi <[email protected]> Link: https://lore.kernel.org/r/07d23cedda1e2cd8cf40d68059024d116f8d004e.1662449105.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: add PCI acpi-info translationYanteng Si3-9/+145
Translate .../PCI/acpi-info.rst into Chinese. Add PCI into .../zh_CN/index.rst. Signed-off-by: Yanteng Si <[email protected]> Reviewed-by: Alex Shi <[email protected]> Reviewed-by: Wu XiangCheng <[email protected]> Link: https://lore.kernel.org/r/f07ba17ae9c6d728d6135ecc0577a932e9836fba.1662449105.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation: process/submitting-patches: misspelling "mesages"Rong Tao1-2/+2
Fix spelling mistakes, "mesages" should be spelled "messages". Signed-off-by: Rong Tao <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Delete duplicate words from kernel docsAkhil Raj6-6/+6
I have deleted duplicate words like to, guest, trace, when, we Signed-off-by: Akhil Raj <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs: admin-guide: for kernel bugs refer to other kernel documentationLukas Bulwahn1-82/+7
The current section 'If something goes wrong' makes a number of suggestions for debugging, bug hunting and reporting issues, which are quite briefly described in that section. However, the suggestions are also well covered in other kernel documentation or sometimes simply outdated. Here, each suggestion in that section is summarized, and then followed with its assessment, and the derived action for each suggestion: - use MAINTAINERS and mailing list: covered in 'Reporting issues', summarized in the short guide, detailed in its further section. Reporting issues even provides some specific examples that guides readers well through the needed steps. Refer to 'Reporting issues'. - contact Linus Torvalds: probably outdated as currently described. nevertheless covered in 'Reporting issues'. Reporting issues points out to contact the relevant kernel maintainers first, and after some patience and failed attempts with those maintainers, contacting Linus Torvalds might be okay. Refer to 'Reporting issues'. - tell what kernel, how to duplicate, the setup, if the problem is new or old and when did you notice: covered in 'Reporting issues', especially in Step-by-step guide how to report issues to the kernel maintainers. Refer to 'Reporting issues'. - duplicate kernel bug reports exactly: covered in 'Reporting issues', especially in Write and send the report. Refer to 'Reporting issues'. - read 'Bug hunting': keep this reference. Refer to 'Bug hunting'. - compile the kernel with CONFIG_KALLSYMS: covered in 'Reporting issues', especially in Decode failure messages. Refer to 'Reporting issues'. - alternatively, use ksymoops: ksymoops at the mentioned URL seems not to be maintained anymore. It was released roughly once a year until version 2.4.11 in 2005, but has not seen a new release since then. The information in ./scripts/ksymoops/README is from 1999, and does not give more insight on its actual maintenance state either. Ksymoops is mentioned as system utility in changes.rst, but also not recommended there. Drop the explanation on using ksymoops. - alternatively, lookup dump manually with the EIP and nm to determine the function in which the kernel crashes: this method seems already a quite advanced and low-level debugging method. Even all the further references on bug hunting and debugging do not mention it. Drop this alternative method and limit mentioning methods explained in the other existing kernel documentation. - read 'Reporting issues': keep this reference. Refer to 'Reporting issues'. - use gdb for debugging: some specific details, e.g., edit arch/x86/Makefile, are probably outdated or limited to one (historic important) setup. Using gdb is covered in 'Bug hunting', 'Debugging kernel and modules via gdb' and 'Using kgdb, kdb and the kernel debugger internals'. Refer to those three documents. Overall, it is sufficient to refer to reporting-issues.rst, bug-hunting.rst, gdb-kernel-debugging.rst and kgdb.rst and this way cover the existing suggestions. 'Reporting issues' is quite new and probably up to date. 'Bug hunting', 'Debugging kernel and modules via gdb' and 'Using kgdb, kdb and the kernel debugger internals' might need some revisit and update, but they are generally in an acceptable state for referring to them. Replace the existing suggestions by reference to other existing kernel documentation covering those suggestions---partly even nicely summarized and then explained in greater detail. Signed-off-by: Lukas Bulwahn <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs: admin-guide: do not mention the 'run a.out user programs' featureLukas Bulwahn1-2/+0
Running a.out user programs with the latest kernel release is a very rare and uncommon use case nowadays. The support of a.out user programs is only remaining for the alpha architecture and is not defined and activated in the architecture's Kconfig (so even the activation of this support requires to modify the Kconfig file and not just kernel build configuration). The discussion on a.out support in 2019 (see Link) shows that the support of a.out user programs is just remaining for a special corner case from some (alpha architecture) users. There is no need to point out and mention this special feature to the general audience of kernel users. Delete the reference to this historic and special feature. Link: https://lore.kernel.org/all/CAHk-=wgt7M6yA5BJCJo0nF22WgPJnN8CvViL9CAJmd+S+Civ6w@mail.gmail.com/ Signed-off-by: Lukas Bulwahn <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Documentation/ABI: correct possessive "its" typosRandy Dunlap5-5/+5
Correct all uses of "it's" that are meant to be possessive "its". Signed-off-by: Randy Dunlap <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27Remove duplicate words inside documentationAkhil Raj6-7/+7
I have removed repeated `the` inside the documentation Signed-off-by: Akhil Raj <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/conf.py: Respect env variable SPHINX_IMGMATHAkira Yokosawa1-2/+14
On some distros with coarse-grained packaging policy, dvipng is installed along with latex. In such cases, math rendering will use imgmath by default. It is possible to override the choice by specifying the option string of "-D html_math_renderer='mathjax'" to sphinx-build (Sphinx >= 1.8). To provide developers an easier-to-use knob, add code for an env variable "SPHINX_IMGMATH" which overrides the automatic choice of math renderer for html docs. SPHINX_IMGMATH=yes : Load imgmath even if dvipng is not found SPHINX_IMGMATH=no : Don't load imgmath (fall back to mathjax) Signed-off-by: Akira Yokosawa <[email protected]> Acked-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/conf.py: Treat mathjax as fallback math rendererAkira Yokosawa1-1/+26
Currently, math expressions using the "math::" directive or the ":math:" role of Sphinx need the imgmath extension for proper rendering in html and epub builds. imgmath requires dvipng (and latex). Otherwise, "make htmldocs" will complain of missing commands. As a matter of fact, the mathjax extension is loaded by default since Sphinx v1.8 and it is good enough for html docs without any dependency on texlive packages. Stop loading the imgmath extension for html docs unless requirements for imgmath are met. To find out whether required commands are available, add a helper find_command(), which is a wrapper of shutil.which(). For epub docs, keep the same behavior of always loading imgmath. Signed-off-by: Akira Yokosawa <[email protected]> Acked-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/[email protected] [jc: Took out the writing of the math_renderer decision] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: Update zh_CN/process/submit-checklist.rst to 6.0-rc2Wu XiangCheng1-39/+45
* update to commit 163ba35ff371 ("doc: use KCFLAGS instead of EXTRA_CFLAGS to pass flags from command line") Signed-off-by: Wu XiangCheng <[email protected]> Reviewed-by: Yanteng Si <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs: scheduler: Update new path for the sysctl knobsLukasz Luba2-2/+2
Add missing update for the documentation bit of some scheduler knob. The knobs have been moved to /debug/sched/ location (with adjusted names). Signed-off-by: Lukasz Luba <[email protected]> Reviewed-by: Alex Shi <[email protected]> Tested-by: Yanteng Si <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_TW: Remove oops-tracingYanteng Si1-212/+0
The English version of oops-tracing has been refactored and has been translated into Chinese. Let's remove them. Signed-off-by: Yanteng Si <[email protected]> Acked-by: Wu XiangCheng <[email protected]> Link: https://lore.kernel.org/r/0d22733cea474b0a3784f8de6b4bc4841fbaba77.1661431365.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
2022-09-27docs/zh_CN: Remove IRQ and oops-tracingYanteng Si2-251/+0
The English version of IRQ has been refactored and the new document (not called that anymore) has been moved to core-api/irq, which has been translated into Chinese. oops-tracing is pretty much the same, let's remove them. Signed-off-by: Yanteng Si <[email protected]> Reviewed-by: Wu XiangCheng <[email protected]> Link: https://lore.kernel.org/r/7dc43c33ea7e2edf668070b203dce83b285f2cdb.1661431365.git.siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <[email protected]>
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