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7c0be9f890
The reader-writer-lock analogy is a useful way to think about RCU, but it is not always applicable. It is useful to have other analogies to work with, and particularly to emphasise that no single analogy is perfect. This patch add a "RCU as reference count" to the "what is RCU" document. See https://lwn.net/Articles/872559/ [ paulmck: Apply Akira Yokosawa feedback. ] Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Paul E. McKenney <paulmck@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 Restructured Text 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.