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2017-08-24rtmutex: update rt-mutexAlex Shi1-32/+26
The rtmutex remove a pending owner bit in in rt_mutex::owner, in commit 8161239a8bcc ("rtmutex: Simplify PI algorithm and make highest prio task get lock") But the document was changed accordingly. Updating it to a meaningful state. BTW, as 'Steven Rostedt' mentioned: There is still technically a "Pending Owner", it's just not called that anymore. The pending owner happens to be the top_waiter of a lock that has no owner and has been woken up to grab the lock. Signed-off-by: Alex Shi <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Sebastian Siewior <[email protected]> Cc: Mathieu Poirier <[email protected]> Cc: Juri Lelli <[email protected]> Cc: Thomas Gleixner <[email protected]> To: [email protected] To: [email protected] To: Jonathan Corbet <[email protected]> To: Ingo Molnar <[email protected]> To: Peter Zijlstra <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-24rtmutex: update rt-mutex-designAlex Shi1-327/+105
The rt-mutex-design documents didn't gotten meaningful update from its first version. Even after owner's pending bit was removed in commit 8161239a8bcc ("rtmutex: Simplify PI algorithm and make highest prio task get lock") and priority list 'plist' changed to rbtree. And Peter Zijlstra did some clean up and fix for deadline task changes on tip tree. So update it to latest code and make it meaningful. Steven Rostedt and Sebastian Siewior gave much of comments and input in this doc. Thanks! Signed-off-by: Alex Shi <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Sebastian Siewior <[email protected]> Cc: Mathieu Poirier <[email protected]> Cc: Juri Lelli <[email protected]> Cc: Thomas Gleixner <[email protected]> To: [email protected] To: [email protected] To: Jonathan Corbet <[email protected]> To: Ingo Molnar <[email protected]> To: Peter Zijlstra <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-24docs: fix minimal sphinx version in conf.pyMarkus Heiser1-1/+1
according to what Documentation/doc-guide/sphinx.rst says:: The ReST markups currently used by the Documentation/ files are meant to be built with ``Sphinx`` version 1.3 or upper. Signed-off-by: Markus Heiser <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-24docs: fix nested numbering in the TOCMarkus Heiser2-2/+0
With Sphinx 1.6 nested numbering is reported as warning:: ./input/joydev/index.rst:13: WARNING: input/joydev/joystick-api is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-func-open is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-func-close is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-func-ioctl is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-func-poll is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-ioc-adap-g-caps is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-ioc-adap-g-log-addrs is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-ioc-adap-g-phys-addr is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-ioc-dqevent is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-ioc-g-mode is already assigned section numbers (nested numbered toctree?) ./media/uapi/cec/cec-funcs.rst:8: WARNING: media/uapi/cec/cec-ioc-receive is already assigned section numbers (nested numbered toctree?) TOC numbering is already set in:: ./input/devices/index.rst:9: ./media/uapi/cec/cec-api.rst:19: I guess the nested numbering in: ./input/joydev/index.rst ./media/uapi/cec/cec-funcs.rst is just a C&P typo, so lets remove it. Signed-off-by: Markus Heiser <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-24NVMEM documentation fix: A minor typoNaren1-1/+1
This is a minor patch that fixes the following typo in the NVMEM documentation: When a consumers no longer needs the NVMEM to, When a consumer no longer needs the NVMEM Signed-off-by: Narendran Sankaran <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-24docs-rst: pdf: use same vertical margin on all Sphinx versionsMauro Carvalho Chehab1-1/+1
Currently, on Sphinx up to version 1.4, pdf output uses a vertical margin of 1 inch. For upper versions, it uses a margin of 0.5 inches. That causes both page headers and footers to be very close to the margin of the sheet. Not all printers support writing like that. Also, there's no reason why the layout for newer versions would be different than for previous ones. So, standardize it, by always setting to 1 inch. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-24doc: Makefile: if sphinx is not found, run a check scriptMauro Carvalho Chehab1-0/+2
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 <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-24docs: Fix paths in security/keysJosh Holland3-4/+4
Several paths in the security/keys documentation were incorrect. Signed-off-by: Josh Holland <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-10doc: linux-wpan: Change the old function names to the lastest function namesJian-Hong Pan1-8/+8
The function declaration in the lastest include/net/mac802154.h has been changed since v3.19. ieee802154_alloc_device => ieee802154_alloc_hw ieee802154_free_device => ieee802154_free_hw ieee802154_register_device => ieee802154_register_hw ieee802154_unregister_device => ieee802154_unregister_hw However, the description in the Device drivers API section of Documentation/networking/ieee802154.txt is still in the state of v3.18.63. Signed-off-by: Jian-Hong Pan <[email protected]> Acked-by: Stefan Schmidt <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-07docs: driver-api: Remove trailing blank lineThierry Reding1-1/+0
There's no use for this blank line at the end of the file. Remove it. Signed-off-by: Thierry Reding <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-07scripts/sphinx-pre-install: add minimum support for RHELMauro Carvalho Chehab1-12/+42
RHEL 7.x and clone distros are shipped with Sphinx 1.1.x, with is incompatible with Kernel ReST markups. So, on those systems, the only alternative is to install it via a Python virtual environment. While seeking for "pip" on CentOS 7.3, I noticed that it is not really needed, as python-virtualenv has its version packaged there already. So, remove this from the list of requirements for all distributions. With regards to PDF, we need at least texlive-tabulary extension, but that is not shipped there (at least on CentOS). So, disable PDF packages as a whole. Please notice, however, that texlive + amsmath is needed for ReST to properly handle ReST ".. math::" tags. Yet, Sphinx fall back to display the LaTeX math expressions as-is, if such extension is not available. So, let's just disable all texlive packages as a whole. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-07kbuild: Update example for ccflags-y usageSedat Dilek1-3/+3
Update the ccflags-y example to match current usage. Signed-off-by: Sedat Dilek <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-08-07docs/features: parisc implements tracehookJames Hogan1-1/+1
Since commit 64e2a42bca12 ("parisc: Add ARCH_TRACEHOOK and regset support") in v4.7, parisc selects HAVE_ARCH_TRACEHOOK, so update its entry in Documentation/features from TODO to ok. Signed-off-by: James Hogan <[email protected]> Cc: "James E.J. Bottomley" <[email protected]> Cc: Helge Deller <[email protected]> Cc: Ingo Molnar <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23docs: submitting-patches - change non-ascii character to asciiFrank Rowand1-1/+1
Documentation/process/submitting-patches.rst contains a non-ascii character. Change it to the ascii equivalent. Signed-off-by: Frank Rowand <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23Merge branch 'warning-fixes' into docs-nextJonathan Corbet5-17/+3
A series to clean up a number of docs build warnings. More to come.
2017-07-23docs: Use :internal: for include/drm/drm_syncobj.hJonathan Corbet1-1/+1
Documentation/gpu/drm-mm.rst includes from include/drm/drm_syncobj.h with :export:, but this is a header file without export directives. That results in this warning: ./include/drm/drm_syncobj.h:1: warning: no structured comments found ...and a failure to obtain the documentation from that file. Switch to :internal: instead to make both problems go away. Cc: [email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23Merge branch 'install' into docs-nextJonathan Corbet6-17/+627
Mauro says: Sphinx installation is not trivial, as not all versions are supported, and it requires a lot of stuff for math, images and PDF/LaTeX output to work. So, add a script that checks if everything is fine, providing distro-specific hints about what's needed for it to work.
2017-07-23sphinx-pre-install: add support for MageiaMauro Carvalho Chehab1-1/+36
Add support for detecting and installing missing packages on Mageia. I opted to use "urpmi" at the install instructions, as this is present on Mageia since ever. Yet, if I were using Mageia 6, I would likely be using "dnf", as it is, IMHO, easier to use. Tested with Mageia 6. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23sphinx.rst: document scripts/sphinx-pre-install scriptMauro Carvalho Chehab1-4/+44
Now that we have a script to check for Sphinx dependencies, document it. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23sphinx-pre-install: fix USE needs for GraphViz and ImageMagickMauro Carvalho Chehab1-1/+6
Gentoo need some USE for GraphViz and ImageMagick to have the features required by kfigure.py. Output that when providing instructions for Gentoo. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23sphinx-pre-install: add dependencies for ImageMagick to work with svgMauro Carvalho Chehab1-0/+6
ImageMagick actually uses librsvg for conversions when converiting from SVG (actually, it uses rsvg-convert). That causes the build to fail with: WARNING: Error #1 when calling: /usr/bin/convert /home/mchehab/docs/Documentation/media/uapi/v4l/selection.svg /home/mchehab/docs/Documentation/output/latex/selection.pdf convert: delegate failed `'rsvg-convert' -o '%o' '%i'' @ error/delegate.c/InvokeDelegate/1919. convert: unable to open file `/tmp/magick-8883oOQfHzrA5trM': No such file or directory @ error/constitute.c/ReadImage/544. Add the corresponding dependencies. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23sphinx-pre-install: check for the need of graphviz-gdMauro Carvalho Chehab1-0/+9
On newer versions of graphviz packaging on Fedora, it is needed to install a separate package for PDF support. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23sphinx-pre-install: use a requirements fileMauro Carvalho Chehab2-3/+5
Instead of using 3 commands to install a virtualenv, use a single one, reading the requirements from this file: Documentation/sphinx/requirements.txt Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23sphinx-pre-install: detect an existing virtualenvMauro Carvalho Chehab1-10/+18
Detect if the script runs after creating the virtualenv, printing the command line commands to enable the virtualenv. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23scripts/sphinx-pre-install: add a script to check Sphinx installMauro Carvalho Chehab1-0/+517
Solving Sphinx dependencies can be painful. Add a script to check if everything is ok. Tested on: - Fedora 25 and 26; - Ubuntu 17.04; - OpenSuse Tumbleweed; - Arch Linux; - Gentoo. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-23docs: Makefile: remove no-ops targetsMauro Carvalho Chehab3-13/+1
After removal of DocBook, those targets are bogus. Reported-by: Jim Davis <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs: disable KASLR when debugging kernelZhouyi Zhou1-2/+4
commit 6807c84652b0 ("x86: Enable KASLR by default") enables KASLR by default on x86. While KASLR will confuse gdb which resolve kernel symbol address from symbol table of vmlinux. We should turn off KASLR for kernel debugging. Signed-off-by: Zhouyi Zhou <[email protected]> Reviewed-by: Kieran Bingham <[email protected]> Acked-by: Jan Kiszka <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs: disable KASLR when debugging kernelZhouyi Zhou1-1/+10
commit 6807c84652b0 ("x86: Enable KASLR by default") enables KASLR by default on x86. While KASLR will confuse gdb which resolve kernel symbol address from symbol table of vmlinux. We should turn off KASLR for kernel debugging. Signed-off-by: Zhouyi Zhou <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs: Do not include from drivers/scsi/constants.cJonathan Corbet1-8/+0
The only function of interest in that file was scsi_print_status(). That function was removed in commit 7ac7076344d9 (scsi: remove scsi_print_status()) but the docs were not changed to match, yielding this warning: ./drivers/scsi/constants.c:1: warning: no structured comments found There's nothing there anymore, so just remove that section from the docs. Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs: Get the struct cmbdata kernel doc from the right fileJonathan Corbet1-1/+1
Back in 2012, commit 9807f75955ea (UAPI: (Scripted) Disintegrate arch/s390/include/asm) moved struct cmbdata (and its kerneldoc comments) to another file, but did not update the docs to match. The result is this warning: ./arch/s390/include/asm/cmb.h:1: warning: no structured comments found ...and no documentation for that structure. Update the docs to get the information from the right place. Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs: Do not include from .../seqno-fence.cJonathan Corbet1-3/+0
There are no kerneldoc comments in drivers/dma-buf/seqno-fence.c, and it appears there never have been. Stop looking for comments there to eliminate this warning: ./drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs: Do not include kerneldoc comments from kernel/sys.cJonathan Corbet1-3/+0
...because there are none there, and I cannot figure out what would ever have been of interest there. This eliminates this warning: ./kernel/sys.c:1: warning: no structured comments found from the build. Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs: Get module_init() docs from module.hJonathan Corbet1-1/+1
The docs build complains: ./include/linux/init.h:1: warning: no structured comments found The problem is that the comments in question were moved to module.h in commit 0fd972a7d91d (module: relocate module_init from init.h to module.h). Fix basics.rst to match. Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs RTD theme: code-block with line nos - lines and line numbers don't line up.Markus Heiser1-0/+11
In a code-block with line numbers (option :lineno:) there is a misalignment of the rendered source code lines on the right side and the line numbers on the left side. https://github.com/rtfd/sphinx_rtd_theme/issues/419 Since this issue is reported to the RTD theme project, it might be fixed in the future (take this as a interim solution). Signed-off-by: Markus Heiser <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs RDT theme: fix bottom margin of lists itemsMarkus Heiser1-0/+6
List items with two ore more blocks are not well rendered. E.g. the gap between last block (l1-b2) of the first list item and the following list item (L2) is to small:: * L1 xxxxxxxxxx xxxxxxxxxxxxx l1-b2 xxxxxxx xxxxxxxxxxxxx * L2 xxxxxxxxxx xxxxxxxxxxxxx So that it can be read more liquidly, a distance was added to the last block (l1-b2):: * L1 xxxxxxxxxx xxxxxxxxxxxxx l1-b2 xxxxxxx xxxxxxxxxxxxx * L2 xxxxxxxxxx xxxxxxxxxxxxx Signed-off-by: Markus Heiser <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17Documentation: arm: Replace use of virt_to_phys with __pa_symbolGeert Uytterhoeven1-1/+1
All low-level PM/SMP code using virt_to_phys() should actually use __pa_symbol() against kernel symbols. Update the documentation to move away from virt_to_phys(). Cfr. commit 6996cbb2372189f7 ("ARM: 8641/1: treewide: Replace uses of virt_to_phys with __pa_symbol") Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17sphinx.rst: better organize the documentation about PDF buildMauro Carvalho Chehab1-8/+13
Instead of having it on just one note, add a separate section. This way, we could later improve it, providing a better guide about the needed steps for PDF builds. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17sphinx.rst: describe the install requirements for kfigureMauro Carvalho Chehab1-0/+13
As we now have a document describing the install requirements for Sphinx, add there the need for GraphViz and ImageMagick. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17sphinx.rst: fix unknown referenceMauro Carvalho Chehab1-1/+1
There's no "Sphinx C Domain" reference at the Kernel documentation. So, don't use references for it. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17sphinx.rst: explain the usage of virtual environmentMauro Carvalho Chehab1-0/+32
As the Sphinx build seems very fragile, specially for PDF output, add a notice about how to use it on a virtual environment. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17docs-rst: move Sphinx install instructions to sphinx.rstMauro Carvalho Chehab2-12/+19
The toolchain used by Sphinx is somewhat complex, and installing it should be part of the doc-guide. Move it out of changes.rst. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-17changes.rst: Update Sphinx minimal requirementsMauro Carvalho Chehab1-3/+3
The kfigure module doesn't work with Sphinx version 1.2. So, update the minimal requirements accordingly. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]>
2017-07-15Linux v4.13-rc1Linus Torvalds1-2/+2
2017-07-15Merge tag 'standardize-docs' of git://git.lwn.net/linuxLinus Torvalds81-4731/+6263
Pull documentation format standardization from Jonathan Corbet: "This series converts a number of top-level documents to the RST format without incorporating them into the Sphinx tree. The hope is to bring some uniformity to kernel documentation and, perhaps more importantly, have our existing docs serve as an example of the desired formatting for those that will be added later. Mauro has gone through and fixed up a lot of top-level documentation files to make them conform to the RST format, but without moving or renaming them in any way. This will help when we incorporate the ones we want to keep into the Sphinx doctree, but the real purpose is to bring a bit of uniformity to our documentation and let the top-level docs serve as examples for those writing new ones" * tag 'standardize-docs' of git://git.lwn.net/linux: (84 commits) docs: kprobes.txt: Fix whitespacing tee.txt: standardize document format cgroup-v2.txt: standardize document format dell_rbu.txt: standardize document format zorro.txt: standardize document format xz.txt: standardize document format xillybus.txt: standardize document format vfio.txt: standardize document format vfio-mediated-device.txt: standardize document format unaligned-memory-access.txt: standardize document format this_cpu_ops.txt: standardize document format svga.txt: standardize document format static-keys.txt: standardize document format smsc_ece1099.txt: standardize document format SM501.txt: standardize document format siphash.txt: standardize document format sgi-ioc4.txt: standardize document format SAK.txt: standardize document format rpmsg.txt: standardize document format robust-futexes.txt: standardize document format ...
2017-07-15Merge tag 'random_for_linus' of ↵Linus Torvalds12-38/+168
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random Pull random updates from Ted Ts'o: "Add wait_for_random_bytes() and get_random_*_wait() functions so that callers can more safely get random bytes if they can block until the CRNG is initialized. Also print a warning if get_random_*() is called before the CRNG is initialized. By default, only one single-line warning will be printed per boot. If CONFIG_WARN_ALL_UNSEEDED_RANDOM is defined, then a warning will be printed for each function which tries to get random bytes before the CRNG is initialized. This can get spammy for certain architecture types, so it is not enabled by default" * tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: random: reorder READ_ONCE() in get_random_uXX random: suppress spammy warnings about unseeded randomness random: warn when kernel uses unseeded randomness net/route: use get_random_int for random counter net/neighbor: use get_random_u32 for 32-bit hash random rhashtable: use get_random_u32 for hash_rnd ceph: ensure RNG is seeded before using iscsi: ensure RNG is seeded before use cifs: use get_random_u32 for 32-bit lock random random: add get_random_{bytes,u32,u64,int,long,once}_wait family random: add wait_for_random_bytes() API
2017-07-15Merge branch 'work.mount' of ↵Linus Torvalds41-163/+531
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull ->s_options removal from Al Viro: "Preparations for fsmount/fsopen stuff (coming next cycle). Everything gets moved to explicit ->show_options(), killing ->s_options off + some cosmetic bits around fs/namespace.c and friends. Basically, the stuff needed to work with fsmount series with minimum of conflicts with other work. It's not strictly required for this merge window, but it would reduce the PITA during the coming cycle, so it would be nice to have those bits and pieces out of the way" * 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: isofs: Fix isofs_show_options() VFS: Kill off s_options and helpers orangefs: Implement show_options 9p: Implement show_options isofs: Implement show_options afs: Implement show_options affs: Implement show_options befs: Implement show_options spufs: Implement show_options bpf: Implement show_options ramfs: Implement show_options pstore: Implement show_options omfs: Implement show_options hugetlbfs: Implement show_options VFS: Don't use save/replace_mount_options if not using generic_show_options VFS: Provide empty name qstr VFS: Make get_filesystem() return the affected filesystem VFS: Clean up whitespace in fs/namespace.c and fs/super.c Provide a function to create a NUL-terminated string from unterminated data
2017-07-15Merge branch 'work.__copy_to_user' of ↵Linus Torvalds1-63/+46
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull more __copy_.._user elimination from Al Viro. * 'work.__copy_to_user' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: drm_dp_aux_dev: switch to read_iter/write_iter
2017-07-15Merge branch 'work.uaccess-unaligned' of ↵Linus Torvalds24-450/+168
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull uacess-unaligned removal from Al Viro: "That stuff had just one user, and an exotic one, at that - binfmt_flat on arm and m68k" * 'work.uaccess-unaligned' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: kill {__,}{get,put}_user_unaligned() binfmt_flat: flat_{get,put}_addr_from_rp() should be able to fail
2017-07-15Merge branch 'misc.compat' of ↵Linus Torvalds2-43/+37
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull network field-by-field copy-in updates from Al Viro: "This part of the misc compat queue was held back for review from networking folks and since davem has jus ACKed those..." * 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: get_compat_bpf_fprog(): don't copyin field-by-field get_compat_msghdr(): get rid of field-by-field copyin copy_msghdr_from_user(): get rid of field-by-field copyin
2017-07-15Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds136-1836/+2453
Pull MIPS updates from Ralf Baechle: "Boston platform support: - Document DT bindings - Add CLK driver for board clocks CM: - Avoid per-core locking with CM3 & higher - WARN on attempt to lock invalid VP, not BUG CPS: - Select CONFIG_SYS_SUPPORTS_SCHED_SMT for MIPSr6 - Prevent multi-core with dcache aliasing - Handle cores not powering down more gracefully - Handle spurious VP starts more gracefully DSP: - Add lwx & lhx missaligned access support eBPF: - Add MIPS support along with many supporting change to add the required infrastructure Generic arch code: - Misc sysmips MIPS_ATOMIC_SET fixes - Drop duplicate HAVE_SYSCALL_TRACEPOINTS - Negate error syscall return in trace - Correct forced syscall errors - Traced negative syscalls should return -ENOSYS - Allow samples/bpf/tracex5 to access syscall arguments for sane traces - Cleanup from old Kconfig options in defconfigs - Fix PREF instruction usage by memcpy for MIPS R6 - Fix various special cases in the FPU eulation - Fix some special cases in MIPS16e2 support - Fix MIPS I ISA /proc/cpuinfo reporting - Sort MIPS Kconfig alphabetically - Fix minimum alignment requirement of IRQ stack as required by ABI / GCC - Fix special cases in the module loader - Perform post-DMA cache flushes on systems with MAARs - Probe the I6500 CPU - Cleanup cmpxchg and add support for 1 and 2 byte operations - Use queued read/write locks (qrwlock) - Use queued spinlocks (qspinlock) - Add CPU shared FTLB feature detection - Handle tlbex-tlbp race condition - Allow storing pgd in C0_CONTEXT for MIPSr6 - Use current_cpu_type() in m4kc_tlbp_war() - Support Boston in the generic kernel Generic platform: - yamon-dt: Pull YAMON DT shim code out of SEAD-3 board - yamon-dt: Support > 256MB of RAM - yamon-dt: Use serial* rather than uart* aliases - Abstract FDT fixup application - Set RTC_ALWAYS_BCD to 0 - Add a MAINTAINERS entry core kernel: - qspinlock.c: include linux/prefetch.h Loongson 3: - Add support Perf: - Add I6500 support SEAD-3: - Remove GIC timer from DT - Set interrupt-parent per-device, not at root node - Fix GIC interrupt specifiers SMP: - Skip IPI setup if we only have a single CPU VDSO: - Make comment match reality - Improvements to time code in VDSO" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (86 commits) locking/qspinlock: Include linux/prefetch.h MIPS: Fix MIPS I ISA /proc/cpuinfo reporting MIPS: Fix minimum alignment requirement of IRQ stack MIPS: generic: Support MIPS Boston development boards MIPS: DTS: img: Don't attempt to build-in all .dtb files clk: boston: Add a driver for MIPS Boston board clocks dt-bindings: Document img,boston-clock binding MIPS: Traced negative syscalls should return -ENOSYS MIPS: Correct forced syscall errors MIPS: Negate error syscall return in trace MIPS: Drop duplicate HAVE_SYSCALL_TRACEPOINTS select MIPS16e2: Provide feature overrides for non-MIPS16 systems MIPS: MIPS16e2: Report ASE presence in /proc/cpuinfo MIPS: MIPS16e2: Subdecode extended LWSP/SWSP instructions MIPS: MIPS16e2: Identify ASE presence MIPS: VDSO: Fix a mismatch between comment and preprocessor constant MIPS: VDSO: Add implementation of gettimeofday() fallback MIPS: VDSO: Add implementation of clock_gettime() fallback MIPS: VDSO: Fix conversions in do_monotonic()/do_monotonic_coarse() MIPS: Use current_cpu_type() in m4kc_tlbp_war() ...
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