- 06 Jul, 2016 1 commit
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Masanari Iida authored
This patch fixes a spelling typo in workqueue.txt Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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- 01 Jul, 2016 3 commits
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Masanari Iida authored
This patch fix some spelling typo found in ocfs2-online-filecheck.txt Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Jani Nikula authored
If the user requested specific DocBooks to be built using 'make DOCBOOKS=foo.xml htmldocs', assume no Sphinx build is desired. This check is transitional, and can be removed once we drop the DocBook build. Cc: Markus Heiser <markus.heiser@darmarit.de> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Fixes: 22cba31b ("Documentation/sphinx: add basic working Sphinx configuration and build") Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Jani Nikula authored
This was broken when updating the documentation targets for the Sphinx build, and moving from %docs target pattern to explicitly listed targets. Cc: Markus Heiser <markus.heiser@darmarit.de> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Fixes: 22cba31b ("Documentation/sphinx: add basic working Sphinx configuration and build") Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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- 30 Jun, 2016 3 commits
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Jonathan Corbet authored
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Masanari Iida authored
This patch fix a spelling typo in intel_powerclamp.txt Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Markus Heiser authored
Implements the reST flat-table directive. The ``flat-table`` is a double-stage list similar to the ``list-table`` with some additional features: * column-span: with the role ``cspan`` a cell can be extended through additional columns * row-span: with the role ``rspan`` a cell can be extended through additional rows * auto span rightmost cell of a table row over the missing cells on the right side of that table-row. With Option ``:fill-cells:`` this behavior can changed from *auto span* to *auto fill*, which automaticly inserts (empty) list tables The *list tables* formats are double stage lists. Compared to the ASCII-art they migth be less comfortable for readers of the text-files. Their advantage is, that they are easy to create/modify and that the diff of a modification is much more meaningfull, because it is limited to the modified content. The initial implementation was taken from the sphkerneldoc project [1] [1] https://github.com/return42/sphkerneldoc/commits/master/scripts/site-python/linuxdoc/rstFlatTable.pySigned-off-by: Markus Heiser <markus.heiser@darmarIT.de> [jc: fixed typos and misspellings in the docs] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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- 24 Jun, 2016 1 commit
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Jani Nikula authored
Describe Sphinx, reStructuredText, the kernel-doc extension, the kernel-doc structured documentation comments, etc. The kernel-doc parts are based on kernel-doc-nano-HOWTO.txt, by Tim <twaugh@redhat.com>. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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- 23 Jun, 2016 6 commits
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Michal Nazarewicz authored
Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Tiezhu Yang authored
In the current Documentation/md.txt, the lower limit value of stripe_cache_size is 16 and the default value is 128, but when I update kernel to the latest mainline version and RAID5 array is created by mdadm, then execute the following commands, it shows an error and a difference respectively. 1) set stripe_cache_size to 16 [root@localhost ~]# echo 16 > /sys/block/md0/md/stripe_cache_size bash: echo: write error: Invalid argument 2) read the default value of stripe_cache_size [root@localhost ~]# cat /sys/block/md0/md/stripe_cache_size 256 I read drivers/md/raid5.c and find the following related code: 1) in function 'raid5_set_cache_size': if (size <= 16 || size > 32768) return -EINVAL; 2) #define NR_STRIPES 256 So the lower limit value of stripe_cache_size should be 17 and the default value should be 256. Signed-off-by: Tiezhu Yang <kernelpatch@126.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Eric Wheeler authored
Signed-off-by: Eric Wheeler <bcache@linux.ewheeler.net> Cc: Marc MERLIN <marc@merlins.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Marc MERLIN authored
Bcache documentation updates: - Added new HOWTO/COOKBOOK section - fixed a few typos - /sys/block/bcache0/cache_mode is /sys/block/bcache0/bcache/cache_mode Signed-off-by: Marc MERLIN <marc@merlins.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Jani Nikula authored
While there's slight overlap with the DocBook help now, this can stay intact when the DocBook help goes away. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
The modindex is for python modules. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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- 10 Jun, 2016 9 commits
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Jani Nikula authored
Let the user specify file patterns where to look for the EXPORT_SYMBOLs in addition to the file with kernel-doc comments. This is directly based on the -export-file FILE option added to kernel-doc in "kernel-doc: add support for specifying extra files for EXPORT_SYMBOLs", but we extend that with globbing patterns in the Sphinx extension. The file patterns are added as options to the :export: and :internal: arguments of the kernel-doc directive. For example, to extract the documentation of exported functions from include/net/mac80211.h: .. kernel-doc:: include/net/mac80211.h :export: net/mac80211/*.c Without the file pattern, no exported functions would be found, as the EXPORT_SYMBOLs are placed in the various source files under net/mac80211. The matched files are also added as dependencies on the document in Sphinx, as they may affect the output. This is one of the reasons to do the globbing in the Sphinx extension instead of in scripts/kernel-doc. The file pattern remains optional, and is not needed if the kernel-doc comments and EXPORT_SYMBOLs are placed in the source file passed in as the main argument to the kernel-doc directive. This is the most common case across the kernel source tree. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
Using the default str.split doesn't return empty strings like the current version does. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
Leftover cruft. No functional changes. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
Scan all input files for EXPORT_SYMBOLs along with the explicitly specified export files before actually parsing anything. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
If the kernel-doc comments for functions are not in the same file as the EXPORT_SYMBOL statements, the -export and -internal output selections do not work as expected. This is typically the case when the kernel-doc comments are in header files next to the function declarations and the EXPORT_SYMBOL statements are next to the function definitions in the source files. Let the user specify additional source files in which to look for the EXPORT_SYMBOLs using the new -export-file FILE option, which may be given multiple times. The pathological example for this is include/net/mac80211.h, which has all the kernel-doc documentation for the exported functions defined in a plethora of source files net/mac80211/*.c. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
Reduce duplication in follow-up work. No functional changes. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
Since commit 32217761 Author: Jani Nikula <jani.nikula@intel.com> Date: Sun May 29 09:40:44 2016 +0300 kernel-doc: concatenate contents of colliding sections we started getting (more) errors on duplicate section names, especially on the default section name "Description": include/net/mac80211.h:3174: warning: duplicate section name 'Description' This is usually caused by a slightly unorthodox placement of parameter descriptions, like in the above case, and kernel-doc resetting back to the default section more than once within a kernel-doc comment. Ignore warnings on the duplicate section name automatically assigned by kernel-doc, and only consider explicitly user assigned duplicate section names an issue. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
No functional changes. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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- 09 Jun, 2016 3 commits
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Jonathan Corbet authored
Lots of kerneldoc entries use "example:" or "note:" as section headers. Until such a time as we can make them use proper markup, make them work as intended. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Kees Cook authored
The meaning of "leak" can be both "untracked resource allocation" and "memory content disclosure". This document's use was entirely of the latter meaning, so avoid the confusion by using the Common Weakness Enumeration name for this: Information Exposure (CWE-200). Additionally adds a section on structure randomization. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Jonathan Corbet authored
Jani Nikula says: Jon, this is v2 of [1] and [2], with a considerable amount of polish and fixes added. We started dogfooding this within drm-intel, and Daniel has reviewed the lot and contributed a number of fixes, most notably accurate file and line number references from Sphinx build errors/warnings to the kernel-doc comments in source code. We believe this is now in good shape for merging for v4.8. It's all in my sphinx-for-docs-next branch that you've already looked at; pull details below. When this lands in docs-next and we can backmerge to drm, we'll plunge ahead and convert gpu.tmpl to rst, and have that ready for v4.8. We think it's best to contribute that via the drm tree, as it'll involve splitting up the documentation and likely numerous updates to kernel-doc comments. I plan to update Documentation/kernel-doc-nano-HOWTO.txt for Sphinx and rst, obviously converting it to rst while at it.
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- 04 Jun, 2016 2 commits
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Daniel Vetter authored
Design is pretty simple: kernel-doc inserts breadcrumbs with line numbers, and sphinx picks them up. At first I went with a sphinx comment, but inserting those at random places seriously upsets the parser, and must be filtered. Hence why this version now uses "#define LINEO " since one of these ever escape into output it's pretty clear there is a bug. It seems to work well, and at least the 2-3 errors where sphinx complained about something that was not correct in kernel-doc text the line numbers matched up perfectly. v2: Instead of noodling around in the parser state machine, create a ViewList and parse it ourselves. This seems to be the recommended way, per Jani's suggestion. v3: - Split out ViewList pach. Splitting the kernel-doc changes from the sphinx ones isn't possible, since emitting the LINENO lines wreaks havoc with the rst formatting. We must filter them. - Improve the regex per Jani's suggestions, and compile it just once for speed. - Now that LINENO lines are eaten, also add them to function parameter descriptions. Much less content and offset than for in-line struct member descriptions, but still nice to know which exact continuation line upsets sphinx. - Simplify/clarify the line +/-1 business a bit. v4: Split out the scripts/kernel-doc changes and make line-numbers opt-in, as suggested by Jani. Cc: Jani Nikula <jani.nikula@intel.com> Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Daniel Vetter authored
Opt-in since this wreaks the rst output and must be removed by consumers again. This is useful to adjust the linenumbers for included kernel-doc snippets in shinx. With that sphinx error message will be accurate when there's issues with the rst-ness of the kernel-doc comments. Especially when transitioning a new docbook .tmpl to .rst this is extremely useful, since you can just use your editors compilation quickfix list to accurately jump from error to error. v2: - Also make sure that we filter the LINENO for purpose/at declaration start so it only shows for selected blocks, not all of them (Jani). While at it make it a notch more accurate. - Avoid undefined $lineno issues. I tried filtering these out at the callsite, but Jani spotted more when linting the entire kernel. Unamed unions and similar things aren't stored consistently and end up with an undefined line number (but also no kernel-doc text, just the parameter type). Simplify things and filter undefined line numbers in print_lineno() to catch them all. v3: Fix LINENO 0 issue for kernel-doc comments without @param: lines or any other special sections that directly jump to the description after the "name - purpose" line. Only really possible for functions without parameters. Noticed by Jani. Cc: Jani Nikula <jani.nikula@intel.com> Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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- 03 Jun, 2016 8 commits
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Niklas Söderlund authored
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Andy Deng authored
Chinese version CodingStyle is a little outdate, it should be updated. This patch sync with the latest CodingStyle of all changes, new chapters (chapter 19 and chapter 20) have been translated. Signed-off-by: Andy Deng <theandy.deng@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Brian Norris authored
It took me browsing through the source code to determine that I was, indeed, using the wrong delimiter in my command lines. So I might as well document it for the next person. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Mike Danese authored
The compilation emits a warning in function ‘snprintf’, inlined from ‘set_cmdline’ at ../Documentation/mic/mpssd/mpssd.c:1541:9: /usr/include/x86_64-linux-gnu/bits/stdio2.h:64:10: warning: call to __builtin___snprintf_chk will always overflow destination buffer This was introduced in commit f4a66c20 ("misc: mic: Update MIC host daemon with COSM changes") and is fixed by reverting the changes to the size argument of these snprintf statements. Cc: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: Mike Danese <mikedanese@google.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Javier Martinez Canillas authored
There are two sentences in the Sync File documentation where the english is a little off. This patch is an attempt to fix these. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Daniel Vetter authored
state3 = prototype parsing, so name them accordingly. Cc: Jani Nikula <jani.nikula@intel.com> Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Daniel Vetter authored
Instead of just forcefully inserting our kernel-doc input and letting the state machine stumble over it the recommended way is to create ViewList, parse that and then return the list of parsed nodes. Suggested by Jani. Cc: Jani Nikula <jani.nikula@intel.com> Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Daniel Vetter authored
Further up in the state machinery we switch from STATE_NAME to STATE_DOCBLOCK when we match /$doc_block/. Which means this block of code here is entirely unreachable, unless there are multiple DOC: sections within a single kernel-doc comment. Getting a list of all the files with more than one DOC: section using $ git grep -c " * DOC:" | grep -v ":1$" and then doing a full audit of them reveals there are no such comment blocks in the kernel. Supporting multiple DOC: sections in a single kernel-doc comment does not seem like a recommended way of doing things anyway, so nuke the code for simplicity. Cc: Jani Nikula <jani.nikula@intel.com> Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> [Jani: amended the commit message] Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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- 01 Jun, 2016 2 commits
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Daniel Vetter authored
With this error output becomes almost readable. The line numbers are still totally bonghits, but that's a lot harder to pull out of kerneldoc. We'd essentially have to insert some special markers in the kernel-doc output, split the output along these markers and then insert each block separately using state_machine.insert_input(block, source, first_line) Cc: Jani Nikula <jani.nikula@intel.com> Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
Reconcile differences between python2 and python3 on dealing with stdout, stderr from Popen. This fixes "name 'unicode' is not defined" errors on python3. We'll need to try to keep the extension working on both python-sphinx and python3-sphinx so we don't need two copies. Reported-and-tested-by: Marius Vlad <marius.c.vlad@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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- 30 May, 2016 2 commits
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Jani Nikula authored
If the documentation comment does not have params or sections, the section heading may leak from the previous documentation comment. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
If there are multiple sections with the same section name, the current implementation results in several sections by the same heading, with the content duplicated from the last section to all. Even if there's the error message, a more graceful approach is to combine all the identically named sections into one, with concatenated contents. With the supported sections already limited to select few, there are massively fewer collisions than there used to be, but this is still useful for e.g. when function parameters are documented in the middle of a documentation comment, with description spread out above and below. (This is not a recommended documentation style, but used in the kernel nonetheless.) We can now also demote the error to a warning. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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