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The undefined logic is complex and has lots of magic on it. Implement it, using the same algorithm we have at get_abi.pl. Yet, some tweaks to optimize performance and to make the code simpler were added here: - at the perl version, the tree graph had loops, so we had to use BFS to traverse it. On this version, the graph is a tree, so, it simplifies the what group for sysfs aliases; - the logic which splits regular expressions into subgroups was re-written to make it faster; - it may optionally use multiple processes to search for symbol matches; - it has some additional debug levels. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/1529c255845d117696d5af57d8dc05554663afdf.1739182025.git.mchehab+huawei@kernel.org
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.