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Commit 9bc931e9e161 ("tools/memory-model: Add locking.txt and
glossary.txt to README") failed to mention the relation of the "Locking"
section in recipes.txt and locking.txt.
The latter is a detailed version of the former intended to be read on
its own.
Reword the description in README and add notes in locking.txt and
recipes.txt to clarify their relationship.
[ paulmck: Wordsmithing. ]
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Andrea Parri <parri.andrea@gmail.com>
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locking.txt and glossary.txt have been in LKMM's documentation for
quite a while.
Add them in README's introduction of docs and the list of docs at the
bottom. Add access-marking.txt in the former as well.
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Acked-by: Andrea Parri <parri.andrea@gmail.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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The Linux-kernel memory model (LKMM) source code and the herd7 tool are
closely linked in that the latter is responsible for (pre)processing
each C-like macro of a litmus test, and for providing the LKMM with a
set of events, or "representation", corresponding to the given macro.
This commit therefore provides herd-representation.txt to document
the representations of the concurrency macros, following their
"classification" in Documentation/atomic_t.txt.
Link: https://lore.kernel.org/all/ZnFZPJlILp5B9scN@andrea/
Suggested-by: Hernan Ponce de Leon <hernan.poncedeleon@huaweicloud.com>
Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Hernan Ponce de Leon <hernan.poncedeleon@huaweicloud.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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Given that access-marking.txt exists, this commit makes it easier to find.
Reported-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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The Linux kernel has a number of categories of ordering primitives, which
are recorded in the LKMM implementation and hinted at by cheatsheet.txt.
But there is no overview of these categories, and such an overview
is needed in order to understand multithreaded LKMM litmus tests.
This commit therefore adds an ordering.txt as well as extracting a
control-dependencies.txt from memory-barriers.txt. It also updates the
README file.
[ paulmck: Apply Akira Yokosawa file-placement feedback. ]
[ paulmck: Apply Alan Stern feedback. ]
[ paulmck: Apply self-review feedback. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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This commit moves the descriptions of the files residing in
tools/memory-model/Documentation to a README file in that directory,
leaving behind the description of tools/memory-model/Documentation/README
itself. After this change, tools/memory-model/Documentation/README
provides a guide to the files in the tools/memory-model/Documentation
directory, guiding people with different skills and needs to the most
appropriate starting point.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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