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During a code-reading exercise of linux-kernel.cat CAT file, I generated a graph to show the to-r relations. While likely not problematic for the model, I found it confusing that a read-write address dependency would show as a to-r edge on the graph. This patch therefore restricts the to-r links derived from addr to only read-read address dependencies, so that read-write address dependencies don't show as to-r in the graphs. This should also prevent future users of to-r from deriving incorrect relations. Note that a read-write address dep, obviously, still ends up in the ppo relation via the to-w relation. I verified that a read-read address dependency still shows up as a to-r link in the graph, as it did before. For reference, the problematic graph was generated with the following command: herd7 -conf linux-kernel.cfg \ -doshow dep -doshow to-r -doshow to-w ./foo.litmus -show all -o OUT/ Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Andrea Parri <parri.andrea@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> |
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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.