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2019-12-02Merge tag 'kbuild-v5.5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - remove unneeded asm headers from hexagon, ia64 - add 'dir-pkg' target, which works like 'tar-pkg' but skips archiving - add 'helpnewconfig' target, which shows help for new CONFIG options - support 'make nsdeps' for external modules - make rebuilds faster by deleting $(wildcard $^) checks - remove compile tests for kernel-space headers - refactor modpost to simplify modversion handling - make single target builds faster - optimize and clean up scripts/kallsyms.c - refactor various Makefiles and scripts * tag 'kbuild-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (59 commits) MAINTAINERS: update Kbuild/Kconfig maintainer's email address scripts/kallsyms: remove redundant initializers scripts/kallsyms: put check_symbol_range() calls close together scripts/kallsyms: make check_symbol_range() void function scripts/kallsyms: move ignored symbol types to is_ignored_symbol() scripts/kallsyms: move more patterns to the ignored_prefixes array scripts/kallsyms: skip ignored symbols very early scripts/kallsyms: add const qualifiers where possible scripts/kallsyms: make find_token() return (unsigned char *) scripts/kallsyms: replace prefix_underscores_count() with strspn() scripts/kallsyms: add sym_name() to mitigate cast ugliness scripts/kallsyms: remove unneeded length check for prefix matching scripts/kallsyms: remove redundant is_arm_mapping_symbol() scripts/kallsyms: set relative_base more effectively scripts/kallsyms: shrink table before sorting it scripts/kallsyms: fix definitely-lost memory leak scripts/kallsyms: remove unneeded #ifndef ARRAY_SIZE kbuild: make single target builds even faster modpost: respect the previous export when 'exported twice' is warned modpost: do not set ->preloaded for symbols from Module.symvers ...
2019-11-22docs, parallelism: Rearrange how jobserver reservations are madeKees Cook
Rasmus correctly observed that the existing jobserver reservation only worked if no other build targets were specified. The correct approach is to hold the jobserver slots until sphinx has finished. To fix this, the following changes are made: - refactor (and rename) scripts/jobserver-exec to set an environment variable for the maximally reserved jobserver slots and exec a child, to release the slots on exit. - create Documentation/scripts/parallel-wrapper.sh which examines both $PARALLELISM and the detected "-jauto" logic from Documentation/Makefile to decide sphinx's final -j argument. - chain these together in Documentation/Makefile Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Link: https://lore.kernel.org/lkml/eb25959a-9ec4-3530-2031-d9d716b40b20@rasmusvillemoes.dk Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20191121205929.40371-4-keescook@chromium.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-11-11kbuild: Wrap long "make help" text linesGeert Uytterhoeven
Some "make help" text lines extend beyond 80 characters. Wrap them before an opening parenthesis, or before 80 characters. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-10-10docs: Fix "make help" suggestion for SPHINXDIRJonathan Corbet
Commit 9fc3a18a942f ("docs: remove extra conf.py files") broke the setting of _SPHINXDIRS in Documentation/Makefile. Let's just have it look for an index.rst file instead. Fixes: 9fc3a18a942f ("docs: remove extra conf.py files") Reported-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-10-01docs: Use make invocation's -j argument for parallelismKees Cook
While sphinx 1.7 and later supports "-jauto" for parallelism, this effectively ignores the "-j" flag used in the "make" invocation, which may cause confusion for build systems. Instead, extract the available parallelism from "make"'s job server (since it is not exposed in any special variables) and use that for the "sphinx-build" run. Now things work correctly for builds where -j is specified at the top-level: make -j16 htmldocs If -j is not specified, continue to fallback to "-jauto" if available. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-06-07docs: Kbuild/Makefile: allow check for missing docs at build timeMauro Carvalho Chehab
While this doesn't make sense for production Kernels, in order to avoid regressions when documents are touched, let's add a check target at the make file. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-06-04docs: Completely fix the remote build tree caseJonathan Corbet
My previous fix miserably failed to catch all of the invocations of "./scripts/sphinx-pre-install", so we got build errors. Try again with more caffeine. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-31docs: look for sphinx-pre-install in the source treeJonathan Corbet
Recent makefile changes included an invocation of ./scripts/sphinx-pre-install. Unfortunately, that fails when a separate build directory is in use with: /bin/bash: ./scripts/sphinx-pre-install: No such file or directory Use $(srctree) to fully specify the location of this script. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-30docs: by default, build docs a lot faster with Sphinx >= 1.7Mauro Carvalho Chehab
Since Sphinx version 1.7, it is possible to use "-jauto" in order to speedup documentation builds. On older versions, while -j was already supported, one would need to set the number of threads manually. So, if SPHINXOPTS is not provided, add -jauto, in order to speed up the build. That makes it *a lot* times faster than without -j. If one really wants to slow things down, it can just use: make SPHINXOPTS=-j1 htmldocs Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> [ jc: fixed perl magic to determine sphinx version ] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-30scripts/sphinx-pre-install: always check if version is compatible with buildMauro Carvalho Chehab
Call the script every time a make docs target is selected, on a simplified check mode. With this change, the script will set two vars: $min_version - obtained from `needs_sphinx` var inside conf.py (currently, '1.3') $rec_version - obtained from sphinx/requirements.txt. With those changes, a target like "make htmldocs" will do: 1) If no sphinx-build/sphinx-build3 is found, it will run the script on normal mode as before, checking for all system dependencies and providing install hints for the needed programs and will abort the build; 2) If no sphinx-build/sphinx-build3 is found, but there is a sphinx_${VER}/bin/activate file, and if ${VER} >= $min_version (string comparation), it will run in full mode, and will recommend to activate the virtualenv. If there are multiple virtualenvs, it will string sort the versions, recommending the highest version and will abort the build; 3) If Sphinx is detected but has a version lower than $min_version, it will run in full mode - with will recommend creating a virtual env using sphinx/requirements.txt, and will abort the build. 4) If Sphinx is detected and version is lower than $rec_version, it will run in full mode and will recommend creating a virtual env using sphinx/requirements.txt. In this case, it **won't** abort the build. 5) If Sphinx is detected and version is equal or righer than $rec_version it will return just after detecting the version ("quick mode"), not checking if are there any missing dependencies. Just like before, if one wants to install Sphinx from the distro, it has to call the script manually and use `--no-virtualenv` argument to get the hints for his OS: You should run: sudo dnf install -y python3-sphinx python3-sphinx_rtd_theme While here, add a small help for the three optional arguments for the script. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-04-01docs: Makefile: use latexmk if availableMauro Carvalho Chehab
In the past, Sphinx was generating a LaTex Makefile that would run xelatex 3 times. Running it multiple times is needed in order to make the indexes right. However, newer versions of it runs it just once, as it expects the machine to use the "latexmk" build, with automatically detects the need for rebuilds. So, add a logic at the Makefile in order to detect if latexmk is installed. If so, it will call it. As an additional bonus, the output of latexmk is a little bit better, making easier to identify build problems. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-12-13kbuild: Add support for DT binding schema checksRob Herring
This adds the build infrastructure for checking DT binding schema documents and validating dts files using the binding schema. Check DT binding schema documents: make dt_binding_check Build dts files and check using DT binding schema: make dtbs_check Optionally, DT_SCHEMA_FILES can be passed in with a schema file(s) to use for validation. This makes it easier to find and fix errors generated by a specific schema. Currently, the validation targets are separate from a normal build to avoid a hard dependency on the external DT schema project and because there are lots of warnings generated. Cc: Jonathan Corbet <corbet@lwn.net> Cc: Mark Rutland <mark.rutland@arm.com> Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Michal Marek <michal.lkml@markovi.net> Cc: linux-doc@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-kbuild@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2017-10-12Documentation: add script and build target to check for broken file referencesJani Nikula
Add a simple script and build target to do a treewide grep for references to files under Documentation, and report the non-existing file in stderr. It tries to take into account punctuation not part of the filename, and wildcards, but there are bound to be false positives too. Mostly seems accurate though. We've moved files around enough to make having this worthwhile. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-10-12doc: enhance dochelp include default output location for doc buildShuah Khan
Enhance documentation help message to specify the default location for the generated documents. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-08-24doc: Makefile: if sphinx is not found, run a check scriptMauro Carvalho Chehab
Right now, if the building system doesn't find Sphinx, it bails out, without providing any instructions about what should be done. Instead, run a script, providing some guidance about the steps needed for Sphinx build to work. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-23docs: Makefile: remove no-ops targetsMauro Carvalho Chehab
After removal of DocBook, those targets are bogus. Reported-by: Jim Davis <jim.epost@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-05-16docs: remove DocBook from the building systemMauro Carvalho Chehab
Now that we don't have any DocBook anymore, remove it from the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-10-10samples: move blackfin gptimers-example from DocumentationShuah Khan
Move blackfin gptimers-example to samples and remove it from Documentation Makefile. Update samples Kconfig and Makefile to build gptimers-example. blackfin is the last CONFIG_BUILD_DOCSRC target in Documentation/Makefile. Hence this patch also includes changes to remove CONFIG_BUILD_DOCSRC from Makefile and lib/Kconfig.debug and updates VIDEO_PCI_SKELETON dependency on BUILD_DOCSRC. Documentation/Makefile is not deleted to avoid braking make htmldocs and make distclean. Acked-by: Michal Marek <mmarek@suse.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Reviewed-by: Kees Cook <keescook@chromium.org> Reported-by: Valentin Rothberg <valentinrothberg@gmail.com> Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-23tools: move pcmcia crc32hash tool from DocumentationShuah Khan
Move pcmcia crc32hash tool from Documentation to tools/pcmcia and remove it from Documentation Makefile. Update location information for this tool. Create a new Makefile to build pcmcia. It can be built from top level directory or from pcmcia directory: Run make -C tools/pcmcia or cd tools/pcmcia; make Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-23tools: move laptops dslm tool from DocumentationShuah Khan
Move laptops dslm tool to tools/laptop/dslm and remove it from Documentation Makefile. Update location information for this tool. Create a new Makefile to build dslm. It can be built from top level directory or from laptops directory: Run make -C tools/laptop/dslm or cd tools/laptop/dslm; make Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-23tools: move accounting tool from DocumentationShuah Khan
Move accounting tool to tools and remove it from Documentation Makefile. Update location information for this tool. Create a new Makefile to build accounting. It can be built from top level directory or from accounting directory: Run make -C tools/accounting or cd tools/accounting; make Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-23samples: move auxdisplay example code from DocumentationShuah Khan
Move auxdisplay examples to samples and remove it from Documentation Makefile. Create a new Makefile to build auxdisplay. It can be built from top level directory or from auxdisplay directory: Run make -C samples/auxdisplay or cd samples/auxdisplay; make Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-23samples: move watchdog example code from DocumentationShuah Khan
Move watchdog examples to samples and remove it from Documentation Makefile. Create a new Makefile to build watchdog. It can be built from top level directory or from watchdog directory: Run make -C samples/watchdog or cd samples/watchdog; make Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-23samples: move timers example code from DocumentationShuah Khan
Move timers examples to samples and remove it from Documentation Makefile. Create a new Makefile to build timers. It can be built from top level directory or from timers directory: Run make -C samples/timers or cd samples/timers; make Acked-by: Jonathan Corbet <corbet@lwn.net> Acked-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-23samples: move misc-devices/mei example code from DocumentationShuah Khan
Move misc-devices/mei examples to samples/mei and remove it from Documentation Makefile. Delete misc-devices/Makefile. Create a new Makefile to build samples/mei. It can be built from top level directory or from mei directory: Run make -C samples/mei or cd samples/mei; make Acked-by: Jonathan Corbet <corbet@lwn.net> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-20samples: move mic/mpssd example code from DocumentationShuah Khan
Move mic/mpssd examples to samples and remove it from Documentation Makefile. Create a new Makefile to build mic/mpssd. It can be built from top level directory or from mic/mpssd directory: Run make -C samples/mic/mpssd or cd samples/mic/mpssd; make Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-20selftests: Move networking/timestamping from DocumentationShuah Khan
Remove networking from Documentation Makefile to move the test to selftests. Update networking/timestamping Makefile to work under selftests. These tests will not be run as part of selftests suite and will not be included in install targets. They can be built and run separately for now. This is part of the effort to move runnable code from Documentation. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-20selftests: move ia64 tests from Documentation/ia64Shuah Khan
Remove ia64 from Makefile to move the test to selftests. Update ia64 Makefile to work under selftests. ia64 will not be run as part of selftests suite and will not be included in install targets. They can be built separately for now. The original Makefile built this test on all archirectures and this update doesn't change that. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-20selftests: move vDSO tests from Documentation/vDSOShuah Khan
Remove vDSO from Makefile to move the to selftests. Update vDSO Makefile to work under selftests. vDSO will not be run as part of selftests suite and will not be included in install targets. They can be built separately for now. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-20selftests: move ptp tests from Documentation/ptpShuah Khan
Remove ptp from Makefile to move the test to selftests. Update ptp Makefile to work under selftests. ptp will not be run as part of selftests suite and will not be included in install targets. They can be built separately for now. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-20selftests: move prctl tests from Documentation/prctlShuah Khan
Move prctl tests from Documentation/prctl to selftests/prctl. Remove prctl from Makefile to move the test. Update prctl Makefile to work under selftests. prctl will not be run as part of selftests suite and will not be included in install targets. They can be built separately for now. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-09-20selftests: move dnotify_test from Documentation/filesystemsShuah Khan
Move dnotify_test.c, Makefile, and .gitignore from Documentation/filesystems to selftests/filesystems. Remove filesystems build target from Documentation/Makefile and update selftests/filesystems/Makefile to work under selftests. dnotify_test will not be run as part of selftests suite and will not be included in install targets. It can be built separately for now. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-04-28samples: v4l: from Documentation to samples directoryArnd Bergmann
A small bug with the new autoksyms support showed that there are two kernel modules in the Documentation directory that qualify as samples, while all other samples are in the samples/ directory. This patch was originally meant as a workaround for that bug, but it has now been solved in a different way. However, I still think it makes sense as a cleanup to consolidate all sample code in one place. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-04-28samples: connector: from Documentation to samples directoryArnd Bergmann
A small bug with the new autoksyms support showed that there are two kernel modules in the Documentation directory that qualify as samples, while all other samples are in the samples/ directory. This patch was originally meant as a workaround for that bug, but it has now been solved in a different way. However, I still think it makes sense as a cleanup to consolidate all sample code in one place. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-23spi: Move spi code from Documentation to toolsJoshua Clayton
Jon Corbet requested this code moved with the last changeset, https://lkml.org/lkml/2015/3/1/144, but the patch was not applied because it missed the Makefile. Moved spidev_test, spidev_fdx and their Makefile infrastructure. Signed-off-by: Joshua Clayton <stillcompiling@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-24Documentation: Remove ZBOOT MMC/SDHI utility and docsMagnus Damm
Remove ZBOOT MMC/SDHI Documentation for sh7372 together wit the vrl4 utility. Without sh7372 and Mackerel support these files are no longer useful. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2014-09-26Documentation: add makefiles for more targetsPeter Foley
Add a bunch of previously unbuilt source files to the Documentation build machinery. Signed-off-by: Peter Foley <pefoley2@pefoley.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-09-26Documentation: use subdir-y to avoid unnecessary built-in.o filesPeter Foley
Change the Documentation makefiles from obj-m to subdir-y to avoid generating unnecessary built-in.o files since nothing in Documentation/ is ever linked in to vmlinux. Signed-off-by: Peter Foley <pefoley2@pefoley.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-05-09mei: move doc files Documentation/misc-devices/meiTomas Winkler
1. move mei.txt, TODO, and the example code under Documentation/misc-devices/mei 2. update the TODO file Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-28mm: move hugepage test examples to tools/testing/selftests/vmDave Young
hugepage-mmap.c, hugepage-shm.c and map_hugetlb.c in Documentation/vm are simple pass/fail tests, It's better to promote them to tools/testing/selftests. Thanks suggestion of Andrew Morton about this. They all need firstly setting up proper nr_hugepages and hugepage-mmap need to mount hugetlbfs. So I add a shell script run_vmtests to do such work which will call the three test programs and check the return value of them. Changes to original code including below: a. add run_vmtests script b. return error when read_bytes mismatch with writed bytes. c. coding style fixes: do not use assignment in if condition [akpm@linux-foundation.org: build the targets before trying to execute them] [akpm@linux-foundation.org: Documentation/vm/ no longer has a Makefile. Fixes "make clean"] Signed-off-by: Dave Young <dyoung@redhat.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-12-29[media] Remove the old V4L1 v4lgrab.c fileMauro Carvalho Chehab
This example file uses the old V4L1 API. It also doesn't use libv4l. So, it is completely obsolete. A good example already exists at v4l-utils (v4l2grab.c): http://git.linuxtv.org/v4l-utils.git Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-03-12Documentation/fs/: split txt and source filesRandy Dunlap
Make dnotify_test.c source file and add it to Makefile so that bitrot can be prevented. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-12Documentation/laptop/: split txt and source filesRandy Dunlap
Documentation/laptops/laptop-mode.txt: Expose example and tool source files in the Documentation/ directory in their own files instead of being buried (almost hidden) in readme/txt files. This should help to prevent bitrot. This will make them more visible/usable to users who may need to use them, to developers who may need to test with them, and to anyone who would fix/update them if they were more visible. Also, if any of these possibly should not be in the kernel tree at all, it will be clearer that they are here and we can discuss if they should be removed. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-12Documentation/timers/: split txt and source filesRandy Dunlap
Documentation/timers/hpet.txt: Expose example and tool source files in the Documentation/timers/ directory in their own files instead of being buried (almost hidden) in readme/txt files. This should help to prevent bitrot. This will make them more visible/usable to users who may need to use them, to developers who may need to test with them, and to anyone who would fix/update them if they were more visible. Also, if any of these possibly should not be in the kernel tree at all, it will be clearer that they are here and we can discuss if they should be removed. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-12docsrc: build Documentation/ sourcesRandy Dunlap
Currently source files in the Documentation/ sub-dir can easily bit-rot since they are not generally buildable, either because they are hidden in text files or because there are no Makefile rules for them. This needs to be fixed so that the source files remain usable and good examples of code instead of bad examples. Add the ability to build source files that are in the Documentation/ dir. Add to Kconfig as "BUILD_DOCSRC" config symbol. Use "CONFIG_BUILD_DOCSRC=1 make ..." to build objects from the Documentation/ sources. Or enable BUILD_DOCSRC in the *config system. However, this symbol depends on HEADERS_CHECK since the header files need to be installed (for userspace builds). Built (using cross-tools) for x86-64, i386, alpha, ia64, sparc32, sparc64, powerpc, sh, m68k, & mips. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>