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Pull more documentation updates from Jonathan Corbet:
"Some late-arriving documentation improvements.
This is mostly build-system fixes from Mauro and Akira; I also took
the liberty of dropping in my 'messy diffstat' document"
* tag 'docs-5.18-2' of git://git.lwn.net/linux:
docs: Add a document on how to fix a messy diffstat
docs: sphinx/requirements: Limit jinja2<3.1
Documentation: kunit: Fix cross-referencing warnings
scripts/kernel-doc: change the line number meta info
scripts/get_abi: change the file/line number meta info
docs: kernel_include.py: add sphinx build dependencies
docs: kernel_abi.py: add sphinx build dependencies
docs: kernel_feat.py: add build dependencies
scripts/get_feat.pl: allow output the parsed file names
docs: kfigure.py: Don't warn of missing PDF converter in 'make htmldocs'
Documentation: Fix duplicate statement about raw_spinlock_t type
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In order to make it more standard and ReST compatible,
change the meta-tag used with --enable-lineno from:
#define LINENO
to
.. LINENO
In practice, no functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/125ffd31fbc77ad9eee4d6906e1830b8162fa6ca.1648290305.git.mchehab@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix misspelled word in the script. (s/COMAND/COMMAND/).
Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/1ff3605db3dead41bbde33fbbff6754900eceead.1645789205.git.michal.simek@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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get_abi.pl currently collects every file in Documentation/ABI. This
causes a UnicodeDecodeError in Documentation/sphinx/kernel_abi.py,
when it finds my Vim swap files (.foo.swp) in the directory.
To avoid such issues, ignore hidden files in get_abi.pl.
Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220129005019.2090996-1-j.neuschaefer@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using repeating sequencies of .* seem to slow down the
processing speed on some cases. Also, currently, a "."
character is not properly handled as such.
Change the way regexes are created, in order to produce
better search expressions.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/c69c01c12b1b30466177dcb17e45f833fb47713d.1632994565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The rule that falls back to the long regex list is wrong:
it is just running again the same loop it did before.
change it to look at the "others" table.
That slows the processing speed, but provides a better
list of undefined symbols.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/a3ba919e9a9208a5f012a13c9674c362a9d73169.1632994565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sort keys on hashes during undefined search, in order to
make the script more deterministic.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/5dc55fd42e632a24a48f95212aa6c6bc4b2d11fd.1632865873.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As parsing the sysfs entries can take a long time, add
progress information.
The progress logic will update the stats on every second,
or on 1% steps of the progress.
When STDERR is a console, it will use a single line, using
a VT-100 command to erase the line before rewriting it.
Otherwise, it will put one message on a separate line.
That would help to identify what parts of sysfs checking
that it is taking more time to process.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/4e581dcbec21ad8a60fff883498018f96f13dd1c.1632823172.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On undefined checks, use STDOUT only for the not found entries.
All other data (search-string and show-hints) is printed at
STDERR.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/51c6a39c82f73b441030c51bf905a1f382452a67.1632823172.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current highlight schema is not working properly. So, use,
instead, Pod::Text.
While here, also update the copyright in order to reflect the latest
changes and the e-mail I'm currently using.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/89fcd301e065ed86dfd8670725144b196266b6a4.1632750315.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It doesn't make any sense to parse ABI entries under
/sys/firmware, as those are either specified by ACPI specs
or by Documentation/devicetree.
The current logic to ignore firmware entries is incomplete,
as it ignores just the relative name of the file, and not
its absolute name. This cause errors while parsing the
symlinks.
So, rewrite the logic for it to do a better job.
Tested with both x86 and arm64 (HiKey970) systems.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/1c806eaec96f6706db4b041bbe6a0e2519e9637e.1632750315.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The logic under graph_add_file should create, for every entry, a
__name name array for all entries of the tree. If this fails, the
symlink parsing will break.
Add an error if this ever happens.
While here, improve the output of data dumper to be more
compact and to avoid displaying things like $VAR1=.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/e7dd4d70e206723455d50c851802c8bb6c34941d.1632750315.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As warned, /sys/bus/iio/devices/iio:deviceX/fault_ovuv is defined 2 times:
Warning: /sys/bus/iio/devices/iio:deviceX/fault_ovuv is defined 2 times: ./Documentation/ABI/testing/sysfs-bus-iio-temperature-max31856:14 ./Documentation/ABI/testing/sysfs-bus-iio-temperature-max31865:0
The logic with joins the two entries is just places the paragraph
for the second entry after the previous one. That could cause more
warnings, as the produced ReST may become invalid, as in the case of
this specific symbol, which ends with a table:
/new_devel/v4l/docs/Documentation/ABI/testing/sysfs-bus-iio-temperature-max31856:2: WARNING: Malformed table.
No bottom table border found or no blank line after table bottom.
=== =======================================================
'1' The input voltage is negative or greater than VDD.
'0' The input voltage is positive and less than VDD (normal
state).
=== =======================================================
/new_devel/v4l/docs/Documentation/ABI/testing/sysfs-bus-iio-temperature-max31856:2: WARNING: Blank line required after table.
Address it by adding two blank lines before joining duplicated
symbols.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/4ad2e3a65f781f0f8d40bb75aa5a07aca80564d6.1632740376.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The way the search algorithm works is that reduces the number of regex
expressions that will be checked for a given file entry at sysfs. It
does that by looking at the devnode name. For instance, when it checks for
this file:
/sys/bus/pci/drivers/iosf_mbi_pci/bind
The logic will seek only the "What:" expressions that end with "bind".
Currently, there are just a couple of What expressions that matches
it:
What: /sys/bus/fsl\-mc/drivers/.*/bind
What: /sys/bus/pci/drivers/.*/bind
It will then run an O(n²) algorithm to seek, which runs quickly
when there are few regexs to seek. There are, however, some What:
expressions that end with a wildcard. Those are harder to process.
Right now, they're all grouped together at the "others" group.
As those don't depend on the basename of the node, add an extra
loop to ensure that those will be processed at the end, if
not done yet.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/9fe7ab46f67575def5db9e83034e9fab43846d84.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In order to earn some time during matches, pre-compile regexes.
Before this patch:
$ time ./scripts/get_abi.pl undefined |wc -l
6970
real 0m54,751s
user 0m54,022s
sys 0m0,592s
Afterwards:
$ time ./scripts/get_abi.pl undefined |wc -l
6970
real 0m5,888s
user 0m5,310s
sys 0m0,562s
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/ec45de8fcae791aab0880644974a110424423e68.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Right now, there are two loops used to seek for a regex. Make
sure that both will be skip when a match is found.
While here, drop the unused $defined variable.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/2ba722d2cdbe7c7d0f1d1b58d350052576d1d703.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When checking for undefined symbols, some nodes aren't easy
or don't make sense to be checked right now. Prevent allocating
memory for those, as they'll be ignored anyway.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/5228789cbef8241d44504ad29fca5cab356cdc53.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When the the leaf of a regex ends with a wildcard, the speedup
algorithm to reduce the number of regexes to seek won't work.
So, when those are found, place at the "others" exception.
That slows down the search from 0.14s to 1 minute on my
machine, but the results are a lot more consistent.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/60bb97cf337333783f9f52e114b896439e9cc215.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a level for debug, in order to allow it to be extended to
debug other parts of the script.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/0203416c6c418abb4fc20577a5f48d0d2a41bae7.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The $what conversions need to replace some characters to avoid
breaking regex expressions found on some What:.
only after replacing them back, the script should get the
$leave devnode.
Fixes: ca8e055c2215 ("scripts: get_abi.pl: add a graph to speedup the undefined algorithm")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/a21631f8a884f50a962beafdd800f27891348d95.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently, the get_abi.pl will print an invalid symbol
(\xac character). Fix it.
Fixes: ab9c14805b37 ("scripts: get_abi.pl: Better handle multiple What parameters")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/fb27ac372e38f5ae9d088f9f4e9710c659e0b9e8.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Searching for symlinks is an expensive operation with the current
logic, as it is at the order of O(n^3). In practice, running the
check spends 2-3 minutes to check all symbols.
Fix it by storing the directory tree into a graph, and using
a Breadth First Search (BFS) to find the links for each sysfs node.
With such improvement, it can now report issues with ~11 seconds
on my machine.
It comes with a price, though: there are more symbols reported
as undefined after this change. I suspect it is due to some
sysfs circular loops that are dropped by BFS. Despite such
increase, it seems that the reports are now more coherent.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/f5c1e7b14a27132821c08f0459ba9aea3ed69028.1631957565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In order to speedup the parser and store less data, handle
fs/cgroup exceptions a lot earlier.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/caa37831c9e02ae58677d1515ed7cee94f52ea9d.1631957565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The search algorithm used inside check_undefined_symbols
has an optimization: it seeks only whats that have the same
leave name. This helps not only to speedup the search, but
it also allows providing a hint about a partial match.
There's a drawback, however: when "what:" finishes with a
wildcard, the logic will skip the what, reporting it as
"not found".
Fix it by grouping the remaining cases altogether, and
disabing any hints for such cases.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/79ba5139643355230e3bba136b20991cfc92020f.1631957565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The output of this script can be too big. Add an option to
filter out results, in order to help finding issues at the
ABI files.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/7b56c10195bb5e5dfd8b5838a3db8d361231d884.1631957565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The way sysfs works is that the same leave may be present under
/sys/devices, /sys/bus and /sys/class, etc, linked via soft
symlinks.
To make it harder to parse, the ABI definition usually refers
only to one of those locations.
So, improve the logic in order to retrieve the symlinks.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/77c49f7d158d88e17f18d40652b75cdde9e179eb.1631957565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Check for the symbols that exists under /sys but aren't
defined at Documentation/ABI.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/958e4f3a319148af6d847c0df95e35426f9c4c5f.1631957565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using a comma here is problematic, as some What: expressions
may already contain a comma. So, use \xac character instead.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/e83e7ffaf3429f8dfca00d1d01653ecfa36f6119.1631957565.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The script should not generate cross-references inside
literal blocks.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/a590f994f8a5742db333bde69e88241a080e4fe0.1616668017.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Change the description parsing logic in rst mode in order
to parse it line per line.
The end result is the same, but doing line per line allows
to add some code to escape literal blocks when seeking for
cross-references.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/d33cfa2e59ecf8f28d4ed7de7402468cf2168921.1616668017.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Currently, there are "What:" symbols for more than just
/sys.
Extend the regex to also cover configfs, /proc /dev and /kvd
symbols.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/a1c7e2b2c37ed6e111dfc8641deb37ed96375a63.1616668017.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There are some issues with the regex that seeks for What:
cross references: basically, it is mis-identifying the start
and the end boundaries of the regex, which causes :ref: to
be inseerted for the wrong symbols at the wrong places.
Fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/79a14d2518499b76931b5f29c50979987108152d.1616668017.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Instead of retrieving just one match at most, ensure that the entire
description will be parsed.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/17019b73e106d1b1b353b8880ed189bad3604c13.1616668017.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The parser for the symbols defined on What: doesn't cover all
chars that need to be scaped, like '{' and '}'. Change the logic
to be more generic, and ensure that the same regex will be used
on both What: and when parsing the cross-references.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/29cb56def89b508fe605bcd2ba74a4376cc08e35.1616668017.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Change every shebang which does not need an argument to use /usr/bin/env.
This is needed as not every distro has everything under /usr/bin,
sometimes not even bash.
Signed-off-by: Finn Behrens <me@kloenk.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Instead of adding titles just for the files, add titles
for each part of the ABI output, in order to make easier
to search for a symbol there.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/64752a5de06ab8263c296e3ed01414b25861e1eb.1604312590.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The ReST output should only contain documentation titles
automatically created by the script.
There are two reasons for that:
1) Consistency.
just a handful ABI docs define titles
2) To avoid critical errors.
Docutils (which is the basis for Sphinx) allows a free
assign of documentation title markups. So, one document
could be doing things like:
Level 1
=======
Level 2
-------
While another one could do the reverse:
Level 1
-------
Level 2
=======
But the same document can't mix.
As the output of get_abi.pl will join contents from multiple
files, if they don't define the levels on a consistent errors,
errors like this can happen:
Sphinx parallel build error:
docutils.utils.SystemMessage: /home/rdunlap/lnx/lnx-510-rc2/Documentation/ABI/testing/sysfs-bus-rapidio:2: (SEVERE/4) Title level inconsistent:
Attributes Common for All RapidIO Devices
-----------------------------------------
Which cause some versions of Sphinx to go into an endless
loop.
It should be noticed that an alternative to that would
be to replace all title occurrences by a single markup,
but that will make the parser more complex, and, due to
(1) it would generate an inconsistent output.
So, better to just remove the titles defined at the ABI
files from the output.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/6c62ef5c01d39dee8d891f8390c816d2a889670a.1604312590.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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