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590eee4268
The patch 9 is simpler if less places modify loop_entry field. The loop deleted by this patch does not affect correctness, but is a performance optimization. However, measurements on selftests and sched_ext programs show that this optimization is unnecessary: - at most 2 steps are done in get_loop_entry(); - most of the time 0 or 1 steps are done in get_loop_entry(). Measured using "do-not-submit" patches from here: https://github.com/eddyz87/bpf/tree/get-loop-entry-hungup Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20250215110411.3236773-8-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@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.