- 08 May, 2018 10 commits
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Jonathan Corbet authored
Andrea Parri dice: This series provides the script 'features-refresh.sh', which operates on the arch support status files, and it applies this script to refresh the status files in place; previous discussions about this series are at [1]. [1] http://lkml.kernel.org/r/1523205027-31786-1-git-send-email-andrea.parri@amarulasolutions.com http://lkml.kernel.org/r/1522774551-9503-1-git-send-email-andrea.parri@amarulasolutions.com http://lkml.kernel.org/r/20180328122211.GA25420@andrea
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Andrea Parri authored
Suggested-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
Andrea Parri <andrea.parri@amarulasolutions.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Jonathan Corbet <corbet@lwn.net>
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Andrea Parri authored
Suggested-by:
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Andrea Parri authored
Uses '!RWSEM_GENERIC_SPINLOCK' in place of 'Optimized asm/rwsem.h' as Kconfig for 'rwsem-optimized': the new Kconfig expresses this feature equivalently, while also enabling the script 'features-refresh.sh' to operate on the corresponding arch support status file. Also refreshes the status matrix by using the script 'features-refresh.sh'. Suggested-by:
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Andrea Parri authored
Commit 6077776b split 'HAVE_BPF_JIT' into cBPF and eBPF variant. Adds arch support status files for the new variants, and removes the status file corresponding to 'HAVE_BPT_JIT'. The new status matrices were auto-generated using the script 'features-refresh.sh'. Signed-off-by:
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Andrea Parri authored
Now that the script 'features-refresh.sh' is available, uses this script to refresh all the arch-support.txt files in place. Signed-off-by:
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Andrea Parri authored
Provides the script: Documentation/features/scripts/features-refresh.sh which operates on the arch-support.txt files and refreshes them in place. This way [1], "[...] we soft- decouple the refreshing of the entries from the introduction of the features, while still making it all easy to keep sync and to extend." [1] http://lkml.kernel.org/r/20180328122211.GA25420@andreaSuggested-by: -
Randy Dunlap authored
Make the description of the kernel command line option "blkdevparts" a bit more flowing and readable. Fix a few typos. Add the optional <size> and <offset> suffixes. Note that size can be "-" to indicate all of the remaining space. Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Cc: Cai Zhiyong <caizhiyong@huawei.com> Signed-off-by:
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Dong Bo authored
Update vfio_add_group_dev description to match the current API. Signed-off-by:
Dong Bo <dongbo4@huawei.com> Reviewed-by:
Cornelia Huck <cohuck@redhat.com> Signed-off-by:
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Daniel Vetter authored
This came up in discussions when reviewing drm patches. Reviewed-by:
Eric Anholt <eric@anholt.net> Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Signed-off-by:
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- 27 Apr, 2018 30 commits
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Mike Rapoport authored
Signed-off-by:
Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by:
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Mike Rapoport authored
Remove implementation details from sysfs parameter descriptions. Also move the paragraph discussing fragmentation issues and their possible solution to the "Design" section. Signed-off-by:
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Mike Rapoport authored
Make the description of stable_node_chains_prune_millisecs sysfs parameter less implementation aware and add a few words about this parameter in the "Design" section. Signed-off-by:
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Mike Rapoport authored
The description of "max_page_sharing" sysfs attribute includes lots of implementation details that more naturally belong in the "Design" section. Signed-off-by:
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Mike Rapoport authored
Include the KSM description from the source code comment, add a subsection about reverse mapping and include kernel-doc references for KSM data structures. Signed-off-by:
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Mike Rapoport authored
Aside from the formatting: * fixed typos * added section and sub-section headers * moved ksmd overview after the description of KSM origins Signed-off-by:
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Mike Rapoport authored
The existing comment provides a good overview of KSM implementation. Let's update it to reflect recent additions of "chain" and "dup" variants of the stable tree nodes and mark it as "DOC:" for inclusion into the KSM documentation. Signed-off-by:
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Randy Dunlap authored
Using incorrect :functions: syntax (extra space) causes an odd kernel-doc warning, so fix that. Documentation/driver-api/device_connection.rst:42: ERROR: Error in "kernel-doc" directive: Signed-off-by:
Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by:
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Randy Dunlap authored
Rearrange some kernel-api chapters and sections to group them together better. - move Bit Operations from Basic C Library Functions to Basic Kernel Library Functions (now adjacent to Bitmap Operations since they are not typical C library functions) - move Sorting from Math Functions to Basic Kernel Library Functions since sort functions are more Basic than Math Functions - move Text Searching from Math Functions to Basic Kernel Library Functions (keep Sorting and Searching close to each other) - combine CRC and Math functions together into the (newly named) CRC and Math Functions chapter Signed-off-by:
Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by:
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Jonathan Corbet authored
Merge -rc2 to pick up the changes to Documentation/core-api/kernel-api.rst that hit mainline via the networking tree. In their absence, subsequent patches cannot be applied.
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Mike Rapoport authored
Signed-off-by:
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Mike Rapoport authored
Several documents in Documentation/vm fit quite well into the "admin/user guide" category. The documents that don't overload the reader with lots of implementation details and provide coherent description of certain feature can be moved to Documentation/admin-guide/mm. Signed-off-by:
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Mike Rapoport authored
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Mike Rapoport authored
"pagemap from the Userspace Perspective" is not very descriptive for unaware readers. Since the document describes how to examine a process page tables, let's title it "Examining Process Page Tables" Signed-off-by:
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Mike Rapoport authored
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Mike Rapoport authored
The hugetlbpage describes hugetlbfs from the user perspective and newer hugetlbfs_reserv document targets kernel developers. Hence the section about hugetlbfs kernel development naturally belongs there. Signed-off-by:
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Mike Rapoport authored
* fixed mistypes * added internal cross-references for sections Signed-off-by:
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Mathieu Poirier authored
This patch groups together section pertaining to the perf tools. That way everything is at the same place rather than spread out. Signed-off-by:
Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by:
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Mathieu Poirier authored
Adding a section that document how to use the Coresight framework and drivers from the perf tools. Signed-off-by:
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Mathieu Poirier authored
Field "owner" of struct coresight_desc has been removed a while back but the documentation was not updated to reflect the changes. Signed-off-by:
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Anders Roxell authored
Add a description that the kernel headers should be used as far as it is possible and then the system headers. Signed-off-by:
Anders Roxell <anders.roxell@linaro.org> Reviewed-by:
Shuah Khan (Samsung OSG) <shuah@kernel.org> Signed-off-by:
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Thymo van Beers authored
Some lines used spaces instead of tabs at line start. This can cause mangled lines in editors due to inconsistency. Replace spaces for tabs where appropriate. Signed-off-by:
Thymo van Beers <thymovanbeers@gmail.com> Reviewed-by:
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Jonathan Corbet authored
Thomas said: There are a few bogus SPDX identifiers in various files and SPDX Identifiers used in tree or about to be used which have no corresponding License Text file in the LICENSES directory or use the new variant of the GPL-2.0[+] license identifiers which are not mentioned in the GPL-2.0 Valid-License-Identifiers: tags. There is no tool which can be used to scan the tree and also nothing which helps people who submit patches to check their stuff before submission. The following series cleans that up: - Add GPL-2.0-only and GPL-2.0-or-later identifiers to the GPL2.0 license and the Linux-syscall-note exception - Add X11, Apache-2.0, CC-BY-SA-4.0, CCDL-1.0, Linux-OpenIB license texts to the LICENSES directory along with the required documentation texts - Add a checker script which can read a single file or even a patch from the command line or does a full git tree scan [Thomas also wins some sort of special prize for including an SPDX-checking patch that complains about itself!]
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Thomas Gleixner authored
The SPDX-License-Identifiers are growing in the kernel and so grow expression failures and license IDs are used which have no corresponding license text file in the LICENSES directory. Add a script which gathers information from the LICENSES directory, i.e. the various tags in the licenses and exception files and then scans either input from stdin, which it treats as a single file or if started without arguments it scans the full kernel tree. It checks whether the license expression syntax is correct and also validates whether the license identifiers used in the expressions are available in the LICENSES files. scripts/spdxcheck.py -h usage: spdxcheck.py [-h] [-m MAXLINES] [-v] [path [path ...]] SPDX expression checker positional arguments: path Check path or file. If not given full git tree scan. For stdin use "-" optional arguments: -h, --help show this help message and exit -m MAXLINES, --maxlines MAXLINES Maximum number of lines to scan in a file. Default 15 -v, --verbose Verbose statistics output include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD drivers/pinctrl/sh-pfc/pfc-r8a77965.c: 1:28 Invalid License ID: GPL-2. include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD arch/x86/kernel/jailhouse.c: 1:28 Invalid License ID: GPL2.0 include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD arch/arm/mach-s3c24xx/h1940-bluetooth.c: 1:28 Invalid License ID: GPL-1.0 arch/x86/kernel/jailhouse.c: 1:28 Invalid License ID: GPL2.0 drivers/pinctrl/sh-pfc/pfc-r8a77965.c: 1:28 Invalid License ID: GPL-2. include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD arch/x86/include/asm/jailhouse_para.h: 1:28 Invalid License ID: GPL2.0 arch/arm/mach-s3c24xx/h1940-bluetooth.c: 1:28 Invalid License ID: GPL-1.0 arch/x86/kernel/jailhouse.c: 1:28 Invalid License ID: GPL2.0 drivers/pinctrl/sh-pfc/pfc-r8a77965.c: 1:28 Invalid License ID: GPL-2. include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD arch/x86/include/asm/jailhouse_para.h: 1:28 Invalid License ID: GPL2.0 License files: 14 Exception files: 1 License IDs 19 Exception IDs 1 Files checked: 61332 Lines checked: 669181 Files with SPDX: 16169 Files with errors: 5 real 0m2.642s user 0m2.231s sys 0m0.467s That's a full tree sweep on my laptop. Note, this runs single threaded. It scans by default the first 15 lines for a SPDX identifier where the current max inside a top comment is at line 10. But that's going to be faster once the identifiers are all in the first two lines as documented. The python wizards will surely know how to do that smarter and faster, but its at least better than no tool at all. Signed-off-by:Thomas Gleixner <tglx@linutronix.de> Reviewed-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> [jc: Fixed ironically erroneous SPDX tag and did chmod +x ] Signed-off-by:
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Thomas Gleixner authored
The infiniband code uses a variant of the OpenIB license. This license is BSD-2-Clause with the MIT disclaimer. The linux kernel uses this license extensively throughout the driver subsystem since 2005. Note that the OpenIB.org license is a true match to BSD-2-Clause. The license text was copied from: https://spdx.org/licenses/Linux-OpenIB.html#licenseTextSigned-off-by:Kate Stewart <kstewart@linuxfoundation.org> Signed-off-by:
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Thomas Gleixner authored
Add the full text of the CC-BY-SA-4.0 license to the kernel tree. It was copied directly from: https://spdx.org/licenses/CC-BY-SA-4.0.html#licenseTextSigned-off-by:
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Thomas Gleixner authored
Add the full text of the CDDL-1.0 to the kernel tree. It was copied directly from: https://spdx.org/licenses/CDDL-1.0.html#licenseTextSigned-off-by:
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Thomas Gleixner authored
Add the full text of the Apache License version 2 to the kernel tree. It was copied directly from: https://spdx.org/licenses/Apache-2.0.html#licenseTextSigned-off-by:
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Thomas Gleixner authored
Add the full text of the X11 to the kernel tree. It was copied directly from: https://spdx.org/licenses/X11.html#licenseTextSigned-off-by:
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Thomas Gleixner authored
Quite some files have been flagged with the new GPL-2.0-only and GPL-2.0-or-later identifiers which replace the original GPL-2.0 and GPL-2.0+ identifiers in the SPDX license identifier specification, but the identifiers are not mentioned as valid in the GPL-2.0 license file. Add them to the license file and to the Linux-syscall-note exception to make everything consistent again. Signed-off-by:
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Cc: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by:
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