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The former commit added reference counting to ensure safe invocations of address handlers. Unlike the exclusive-region address handlers, all FCP address handlers should be called on receiving an FCP request. This commit uses the part of kernel stack to collect address handlers up to 4 within the section, then invoke them outside of the section. Reference counting ensures that each handler remains valid and safe to call. Lifting the limitation of supporting only 4 handlers is left for next work. Link: https://lore.kernel.org/r/20250803122015.236493-4-o-takashi@sakamocchi.jp Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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.