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* scripts: get_abi.pl: assume ReST format by defaultMauro Carvalho Chehab2020-10-301-1/+1
| | | | | | | | | | | All ABI files are now compatible with ReST format. So, change the script default to assume that the ABI source files are compatible with ReST. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4b0af257010570e0e917d82498e42992bec5e173.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: sysfs-class-led-trigger-pattern: remove hw_pattern duplicationMauro Carvalho Chehab2020-10-306-159/+170
| | | | | | | | | | | | | | | | The ABI files are supposed to be unique. Yet, in the specific case of hw_pattern, there are some duplicated entries as warned by scripts/get_abi.pl: Warning: /sys/class/leds/<led>/hw_pattern is defined 3 times: Documentation/ABI/testing/sysfs-class-led-trigger-pattern:14 Documentation/ABI/testing/sysfs-class-led-driver-sc27xx:0 Documentation/ABI/testing/sysfs-class-led-driver-el15203000:0 Drop the duplication from the ABI files, moving the specific definitions to files inside Documentation/leds. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/038e57881550550b298e598f8f9b7f20515cbe15.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: sysfs-class-backlight: unify ABI documentationMauro Carvalho Chehab2020-10-303-46/+65
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both adp8860 and adp8870 define some extensions to the backlight class. This causes warnings: Warning: /sys/class/backlight/<backlight>/ambient_light_level is defined 2 times: /sys/class/backlight/<backlight>/ambient_light_level:8 /sys/class/backlight/<backlight>/ambient_light_level:30 Warning: /sys/class/backlight/<backlight>/ambient_light_zone is defined 2 times: /sys/class/backlight/<backlight>/ambient_light_zone:18 /sys/class/backlight/<backlight>/ambient_light_zone:40 As ABI definitions shouldn't be duplicated. Unfortunately, the ABI is dependent on the specific device features. As such, ambient_light_level range is somewhat different among the supported devices. The ambient_light_zone is even worse: the meanings of each preset are different, and there's no ABI to retrieve the supported types nor their meanins. Unfortunately, it is too late to fix it without causing regressions, as this has been used since Kernel v2.6.35. Rewrite those ABI documentation using the current documentation as a reference, and double-checking at the datasheets: https://www.analog.com/media/en/technical-documentation/data-sheets/ADP8870.pdf https://www.analog.com/media/en/technical-documentation/data-sheets/ADP8860.pdf in order to properly document the differences between those two drivers. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/342195ad5a819d9bcfcebc133c77ab69b4211672.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: sysfs-c2port: remove a duplicated entryMauro Carvalho Chehab2020-10-301-7/+0
| | | | | | | | | | | | | | As warned by scripts/get_abi.pl: Warning: /sys/class/c2port/c2portX/flash_erase is defined 2 times: Documentation/ABI/testing/sysfs-c2port:60 Documentation/ABI/testing/sysfs-c2port:68 This entry was added twice at the same patch. Probalby a cut-and paste issue. Fixes: 4e17e1db9647 ("Add c2 port support") Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4ea2b31ddc76161fbae004f2f2ed91dfb757703f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: sysfs-class-power: unify duplicated propertiesMauro Carvalho Chehab2020-10-301-263/+223
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ABI is not supposed to have duplicated entries, as warned by get_abi.pl: $ ./scripts/get_abi.pl validate 2>&1|grep sysfs-class-power Warning: /sys/class/power_supply/<supply_name>/current_avg is defined 2 times: Documentation/ABI/testing/sysfs-class-power:108 Documentation/ABI/testing/sysfs-class-power:391 Warning: /sys/class/power_supply/<supply_name>/current_max is defined 2 times: Documentation/ABI/testing/sysfs-class-power:121 Documentation/ABI/testing/sysfs-class-power:404 Warning: /sys/class/power_supply/<supply_name>/current_now is defined 2 times: Documentation/ABI/testing/sysfs-class-power:130 Documentation/ABI/testing/sysfs-class-power:414 Warning: /sys/class/power_supply/<supply_name>/temp is defined 2 times: Documentation/ABI/testing/sysfs-class-power:281 Documentation/ABI/testing/sysfs-class-power:493 Warning: /sys/class/power_supply/<supply_name>/temp_alert_max is defined 2 times: Documentation/ABI/testing/sysfs-class-power:291 Documentation/ABI/testing/sysfs-class-power:505 Warning: /sys/class/power_supply/<supply_name>/temp_alert_min is defined 2 times: Documentation/ABI/testing/sysfs-class-power:306 Documentation/ABI/testing/sysfs-class-power:521 Warning: /sys/class/power_supply/<supply_name>/temp_max is defined 2 times: Documentation/ABI/testing/sysfs-class-power:322 Documentation/ABI/testing/sysfs-class-power:537 Warning: /sys/class/power_supply/<supply_name>/temp_min is defined 2 times: Documentation/ABI/testing/sysfs-class-power:333 Documentation/ABI/testing/sysfs-class-power:547 Warning: /sys/class/power_supply/<supply_name>/voltage_max is defined 2 times: Documentation/ABI/testing/sysfs-class-power:356 Documentation/ABI/testing/sysfs-class-power:571 Warning: /sys/class/power_supply/<supply_name>/voltage_min is defined 2 times: Documentation/ABI/testing/sysfs-class-power:367 Documentation/ABI/testing/sysfs-class-power:581 Warning: /sys/class/power_supply/<supply_name>/voltage_now is defined 2 times: Documentation/ABI/testing/sysfs-class-power:378 Documentation/ABI/testing/sysfs-class-power:591 Yet, both USB and Battery share a common set of charging-related properties. Unify the entries for such properties in order to avoid duplication, while preserving the battery and USB-specific data properly documented. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/bcdf5f76326ea48a990a7cac612af216c387537d.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: unify /sys/class/leds/<led>/brightness documentationMauro Carvalho Chehab2020-10-302-20/+28
| | | | | | | | | | | | | This ABI is defined twice, one for normal leds and another one for multicolor ones. Ensure that just one definition is there at ABI. Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/1115022e7f172b19ee8610f2ad28cc2f0ca93592.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: stable: remove a duplicated documentationMauro Carvalho Chehab2020-10-301-7/+0
| | | | | | | | | | | | | | | | | Perhaps due to a wrong cut-and-paste, this entry: What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu was added twice by the same patch, one following the other. Remove the duplication. Fixes: c2e5df616e1a ("vmbus: add per-channel sysfs info") Acked-by: Wei Liu <wei.liu@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/091e8de5543c280ceb47edcb3ab6d0e9f3fa085b.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: change read/write attributesMauro Carvalho Chehab2020-10-3010-108/+109
| | | | | | | | | | | | | | | | | | | | | Unfortunately, (R) and (W) are valid markups for enumerated lists, as described at: https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#enumerated-lists So, we ned to replace them by: (R) -> (Read) (W) -> (Write) As otherwise, (R) will be displayed as R., with is not what it is desired. There's no need to touch (RO) and (RW). Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/6e81ad8064f3ed4f8dc265086fdf1c618043f935.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: cleanup several ABI documentsMauro Carvalho Chehab2020-10-30126-771/+1327
| | | | | | | | | | | | | | | | | | | | | There are some ABI documents that, while they don't generate any warnings, they have issues when parsed by get_abi.pl script on its output result. Address them, in order to provide a clean output. Reviewed-by: Tom Rix <trix@redhat.com> # for fpga-manager Reviewed-By: Kajol Jain<kjain@linux.ibm.com> # for sysfs-bus-event_source-devices-hv_gpci and sysfs-bus-event_source-devices-hv_24x7 Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for IIO Acked-by: Oded Gabbay <oded.gabbay@gmail.com> # for Habanalabs Acked-by: Vaibhav Jain <vaibhav@linux.ibm.com> # for sysfs-bus-papr-pmem Acked-by: Cezary Rojewski <cezary.rojewski@intel.com> # for catpt Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Ilya Dryomov <idryomov@gmail.com> # for rbd Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5bc78e5b68ed1e9e39135173857cb2e753be868f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: sysfs-bus-nvdimm: use the right format for ABIMauro Carvalho Chehab2020-10-301-0/+6
| | | | | | | | | | | | This ABI is not following the format described at ABI/README. Use it, filling in the blanks with the git log that added it, and using the current e-mail from Dan. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9ec379cbf6dcf65ce3039c3671baf7bcaea532f4.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: vdso: use the right format for ABIMauro Carvalho Chehab2020-10-301-0/+6
| | | | | | | | | | | | This ABI is not following the format described at ABI/README. Use it, filling in the blanks with the git log that added it, and using the current e-mail from Andy. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/28c7cf3a71e15fb7499b70ec8f38c2efaaf4add2.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: fix syntax to be parsed using ReST notationMauro Carvalho Chehab2020-10-3017-161/+271
| | | | | | | | | | | | There are a number of new changes at the ABI files that cause them to produce warnings when generating ABI output. Fix them. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/55a89f423cf122982c462d257722e44d6ece4b36.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: convert testing/configfs-acpi to ReSTMauro Carvalho Chehab2020-10-301-9/+25
| | | | | | | | | | There are some problems with this file when a ReST content is produced. Fix it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f56daf94b80f1051438e8c787ba04552adb66e67.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: Kconfig/Makefile: add a check for broken ABI filesMauro Carvalho Chehab2020-10-304-3/+28
| | | | | | | | | | | | | | | | | | | | | The files under Documentation/ABI should follow the syntax as defined at Documentation/ABI/README. Allow checking if they're following the syntax by running the ABI parser script on COMPILE_TEST. With that, when there's a problem with a file under Documentation/ABI, it would produce a warning like: Warning: file ./Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats#14: What '/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_cor' doesn't have a description Warning: file ./Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats#21: What '/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_fatal' doesn't have a description Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/57a38de85cb4b548857207cf1fc1bf1ee08613c9.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: abi-testing.rst: enable --rst-sources when building docsMauro Carvalho Chehab2020-10-301-0/+1
| | | | | | | | | | Now that ABI/testing documents were fixed, add --rst-sources to the ABI/testing too. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9242473fd3df785565bb6084b1b814cc15074fb2.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: don't escape ReST-incompatible chars from obsolete and removedMauro Carvalho Chehab2020-10-303-0/+4
| | | | | | | | | | With just a single fix, the contents there can be parsed properly without the need to escape any ReST incompatible stuff. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/472f4574b6aa2ff4de5a819db1a4a5c9a34f5168.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: create a 2-depth index for ABIMauro Carvalho Chehab2020-10-301-1/+1
| | | | | | | | | That helps to identify what ABI files are adding titles. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/e267b36ae7f32bab2a86f1da6b40bb3e62c877d4.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: make it parse ABI/stable as ReST-compatible filesMauro Carvalho Chehab2020-10-302-2/+7
| | | | | | | | | | | | | | Now that the stable ABI files are compatible with ReST, parse them without converting complex descriptions as literal blocks nor escaping special characters. Please notice that escaping special characters will probably be needed at descriptions, at least for the asterisk character. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/59ccbaa75ff05f23e701dd9a0bbe118e9343a553.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: sysfs-uevent: make it compatible with ReST outputMauro Carvalho Chehab2020-10-301-12/+16
| | | | | | | | | | - Replace " by ``, in order to use monospaced fonts; - mark literal blocks as such. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/63904cc9b6a8581c5fc2ea1dca5d925874c67372.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: testing: make the files compatible with ReST outputMauro Carvalho Chehab2020-10-3074-879/+1336
| | | | | | | | | | | | | Some files over there won't parse well by Sphinx. Fix them. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for IIO Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/58cf3c2d611e0197fb215652719ebd82ca2658db.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: stable: make files ReST compatibleMauro Carvalho Chehab2020-10-3016-103/+179
| | | | | | | | | | | | | | Several entries at the stable ABI files won't parse if we pass them directly to the ReST output. Adjust them, in order to allow adding their contents as-is at the stable ABI book. Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/467a0dfbcdf00db710a629d3fe4a2563750339d8.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: ABI: README: specify that files should be ReST compatibleMauro Carvalho Chehab2020-10-301-1/+9
| | | | | | | | | | | As we plan to remove the escaping code from the scripts/get_abi.pl, specify at the ABI README file that the content of the file should be ReST compatible. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/178a997070debd1953ba7d302c375948501d6193.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: add ABI documentation to the admin-guide bookMauro Carvalho Chehab2020-10-307-1/+61
| | | | | | | | | | | | | | As we don't want a generic Sphinx extension to execute commands, change the one proposed to Markus to call the abi_book.pl script. Use a script to parse the Documentation/ABI directory and output it at the admin-guide. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5651482b06500e69a1acdf92152f90a203e6521d.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: kernel_abi.py: Handle with a lazy Sphinx parserMauro Carvalho Chehab2020-10-301-13/+26
| | | | | | | | | | | | | | The Sphinx docutils parser is lazy: if the content is bigger than a certain number of lines, it silenlty stops parsing it, producing an incomplete content. This seems to be worse on newer Sphinx versions, like 2.0. So, change the logic to parse the contents per input file. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4659b60795739308e34d2d00c57ee0742a9cd2ab.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: kernel_abi.py: use --enable-lineno for get_abi.plMauro Carvalho Chehab2020-10-301-4/+14
| | | | | | | | | | | | | | | | | | | Just like kernel-doc extension, we need to be able to identify what part of an imported document has issues, as reporting them as: get_abi.pl rest --dir $srctree/Documentation/ABI/obsolete --rst-source:1689: ERROR: Unexpected indentation. Makes a lot harder for someone to fix. It should be noticed that it the line which will be reported is the line where the "What:" definition is, and not the line with actually has an error. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/d6155ab16fb7631f2fa8e7a770eae72f24bf7cc5.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: kernel_abi.py: make it compatible with Sphinx 1.7+Mauro Carvalho Chehab2020-10-301-12/+27
| | | | | | | | | | | | The same way kerneldoc.py needed changes to work with newer Sphinx, this script needs the same changes. While here, reorganize the include order to match kerneldoc.py. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f2b25caef5db7738629773a03463908d3b39b83a.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: kernel_abi.py: fix UTF-8 supportMauro Carvalho Chehab2020-10-301-12/+7
| | | | | | | | | The parser breaks with UTF-8 characters with Sphinx 1.4. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9e7c8e3b0efaa1ae0536da6493ab438bd3f9fe58.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: kernel_abi.py: add a script to parse ABI documentationMauro Carvalho Chehab2020-10-301-0/+157
| | | | | | | | | | | | | The ABI documentation is special: it is not plain text files, but, instead, files with an strict format, as specified by Documentation/ABI/README. Add a parser for it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/48abf1a410237e63f85354a8cd7027fdf25657bf.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* docs: kernellog.py: add support for info()Mauro Carvalho Chehab2020-10-301-1/+5
| | | | | | | | | | An extension may want to just inform about something. So, add support for it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/0ddebd8677605d789d53433c8a5344c68da82a73.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: auto-generate cross referencesMauro Carvalho Chehab2020-10-301-0/+31
| | | | | | | | | | | | | | | | | There are several cross-references that can be automatically generated: - References to .rst files inside Documentation/ - References to other ABI files; - References to ABI symbols at /sys/*. Add a logic to automatically parse them and convert into cross references. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/abe756d4f94fb6ffcc3dd3902a766c7c3990ea89.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: use bold font for ABI definitionsMauro Carvalho Chehab2020-10-301-0/+1
| | | | | | | | | | As we're using tables, let's distinguish the ones used by ABI by using a bold font. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9ed645c2519169817379c1df5b8cf03828e92520.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: prevent duplicated file namesMauro Carvalho Chehab2020-10-301-5/+10
| | | | | | | | | | | The same filename may exist on multiple directories within ABI. Create separate entries at the internal database for each of them. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/ef760f68f54e132c4be52f0027189b4ba31554ec.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: output users in ReST formatMauro Carvalho Chehab2020-10-301-0/+8
| | | | | | | | | | Right now, the script only outputs Users on search. Print it also in ReST format. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/83def2a692c4c678f21ee6e76b66a54d2be1e796.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: detect duplicated ABI definitionsMauro Carvalho Chehab2020-10-301-27/+58
| | | | | | | | | | | | | | | | | The ABI should define only once each What. The current script logic assumes that. However, that's not the case, currently: there are several symbols with a generic definition, and per-driver ones. Better handle such cases, by preserving the cross-references with the files that define them, but also track such cases, producing warnings, as they should be fixed. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/d7a73b8b3aae5b2bff9279996ff9ca4cdfc89196.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: cleanup ABI cross-reference logicMauro Carvalho Chehab2020-10-301-64/+83
| | | | | | | | | | | | | | | | | | Right now, the cross-references are generated on a single step, when doing ReST output. While this is nice optimization, it prevents auto-creating cross-references for ABI symbols. So, split it into a separate logic. While here, turn on Perl warnings, as it helps to debug problems inside the script. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/dbc97c8c2dfd877921f058134c35b2a8b1f8414b.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: improve its parser to better catch up indentationMauro Carvalho Chehab2020-10-301-23/+19
| | | | | | | | | | | | | | | The original parser for indentation were relying on having just one description for each "what". However, that's not the case: there are a number of ABI symbols that got defined multiple times. Improve the parser for it to better handle descriptions if entries are duplicated. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/eb458bb30be0e5a89192d6057b2e8a7e910dbcb8.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: Allow optionally record from where a line came fromMauro Carvalho Chehab2020-10-301-1/+21
| | | | | | | | | | | | | | | The get_abi.pl reads a lot of files and can join them on a single output file. Store where each "What:" output came from, in order to be able to optionally display it. This is useful for the Sphinx extension, with can now be able to blame what ABI file has issues, and on what line the What: description with problems begin. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/befc387011c5e3c6febd285b7f27610e41c90260.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: fix parsing on ReST modeMauro Carvalho Chehab2020-10-301-16/+14
| | | | | | | | | | | | | When the source ABI file is using ReST notation, the script should handle whitespaces and lines with care, as otherwise the file won't be properly recognized. Address the bugs that are on such part of the script. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5c22c54fbd0cda797b691d52c568be6d0d1079d8.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* scripts: get_abi.pl: change script to allow parsing in ReST modeMauro Carvalho Chehab2020-10-301-25/+47
| | | | | | | | | | | | | | | | | | | Right now, several ABI files won't parse as ReST, as they contain severe violations to the spec, with makes the script to crash. So, the code has a sanity logic with escapes bad code and cleans tags that can cause Sphinx to crash. Add support for disabling this mode. Right now, as enabling rst-mode causes crash, it is disabled by default. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/34b691e3002e8987c24d851fe37640f95e506a92.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* debugfs: remove return value of debugfs_create_devm_seqfile()Greg Kroah-Hartman2020-10-303-19/+16
| | | | | | | | | No one checks the return value of debugfs_create_devm_seqfile(), as it's not needed, so make the return value void, so that no one tries to do so in the future. Link: https://lore.kernel.org/r/20201023131037.2500765-1-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Linux 5.10-rc1v5.10-rc1Linus Torvalds2020-10-251-2/+2
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* treewide: Convert macro and uses of __section(foo) to __section("foo")Joe Perches2020-10-25117-196/+196
| | | | | | | | | | | | | | | | | | | | Use a more generic form for __section that requires quotes to avoid complications with clang and gcc differences. Remove the quote operator # from compiler_attributes.h __section macro. Convert all unquoted __section(foo) uses to quoted __section("foo"). Also convert __attribute__((section("foo"))) uses to __section("foo") even if the __attribute__ has multiple list entry forms. Conversion done using the script at: https://lore.kernel.org/lkml/75393e5ddc272dc7403de74d645e6c6e0f4e70eb.camel@perches.com/2-convert_section.pl Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Nick Desaulniers <ndesaulniers@gooogle.com> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kernel/sys.c: fix prototype of prctl_get_tid_address()Rasmus Villemoes2020-10-251-3/+3
| | | | | | | | | | | tid_addr is not a "pointer to (pointer to int in userspace)"; it is in fact a "pointer to (pointer to int in userspace) in userspace". So sparse rightfully complains about passing a kernel pointer to put_user(). Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mm: remove kzfree() compatibility definitionEric Biggers2020-10-256-8/+6
| | | | | | | | | | | | | | | Commit 453431a54934 ("mm, treewide: rename kzfree() to kfree_sensitive()") renamed kzfree() to kfree_sensitive(), but it left a compatibility definition of kzfree() to avoid being too disruptive. Since then a few more instances of kzfree() have slipped in. Just get rid of them and remove the compatibility definition once and for all. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: enable GIT_DIR environment use to set git repository locationJoe Perches2020-10-251-5/+7
| | | | | | | | | | | | | If set, use the environment variable GIT_DIR to change the default .git location of the kernel git tree. If GIT_DIR is unset, keep using the current ".git" default. Link: https://lkml.kernel.org/r/c5e23b45562373d632fccb8bc04e563abba4dd1d.camel@perches.com Signed-off-by: Joe Perches <joe@perches.com> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge tag 'timers-urgent-2020-10-25' of ↵Linus Torvalds2020-10-253-1/+116
|\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "A time namespace fix and a matching selftest. The futex absolute timeouts which are based on CLOCK_MONOTONIC require time namespace corrected. This was missed in the original time namesapce support" * tag 'timers-urgent-2020-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: selftests/timens: Add a test for futex() futex: Adjust absolute futex timeouts with per time namespace offset
| * selftests/timens: Add a test for futex()Andrei Vagin2020-10-202-1/+111
| | | | | | | | | | | | | | | | | | | | | | | | | | Output on success: 1..2 ok 1 futex with the 0 clockid ok 2 futex with the 1 clockid # Totals: pass:2 fail:0 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20201015160020.293748-2-avagin@gmail.com
| * futex: Adjust absolute futex timeouts with per time namespace offsetAndrei Vagin2020-10-201-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | For all commands except FUTEX_WAIT, the timeout is interpreted as an absolute value. This absolute value is inside the task's time namespace and has to be converted to the host's time. Fixes: 5a590f35add9 ("posix-clocks: Wire up clock_gettime() with timens offsets") Reported-by: Hans van der Laan <j.h.vanderlaan@student.utwente.nl> Signed-off-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20201015160020.293748-1-avagin@gmail.com
* | Merge tag 'sched-urgent-2020-10-25' of ↵Linus Torvalds2020-10-252-5/+12
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Thomas Gleixner: "Two scheduler fixes: - A trivial build fix for sched_feat() to compile correctly with CONFIG_JUMP_LABEL=n - Replace a zero lenght array with a flexible array" * tag 'sched-urgent-2020-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/features: Fix !CONFIG_JUMP_LABEL case sched: Replace zero-length array with flexible-array
| * | sched/features: Fix !CONFIG_JUMP_LABEL caseJuri Lelli2020-10-142-4/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit: 765cc3a4b224e ("sched/core: Optimize sched_feat() for !CONFIG_SCHED_DEBUG builds") made sched features static for !CONFIG_SCHED_DEBUG configurations, but overlooked the CONFIG_SCHED_DEBUG=y and !CONFIG_JUMP_LABEL cases. For the latter echoing changes to /sys/kernel/debug/sched_features has the nasty effect of effectively changing what sched_features reports, but without actually changing the scheduler behaviour (since different translation units get different sysctl_sched_features). Fix CONFIG_SCHED_DEBUG=y and !CONFIG_JUMP_LABEL configurations by properly restructuring ifdefs. Fixes: 765cc3a4b224e ("sched/core: Optimize sched_feat() for !CONFIG_SCHED_DEBUG builds") Co-developed-by: Daniel Bristot de Oliveira <bristot@redhat.com> Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com> Signed-off-by: Juri Lelli <juri.lelli@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Patrick Bellasi <patrick.bellasi@matbug.net> Reviewed-by: Valentin Schneider <valentin.schneider@arm.com> Link: https://lore.kernel.org/r/20201013053114.160628-1-juri.lelli@redhat.com
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