Commit cdaac9d6 authored by Akira Yokosawa's avatar Akira Yokosawa Committed by Paul E. McKenney

Documentation/litmus-tests: Merge atomic's README into top-level one

Where Documentation/litmus-tests/README lists RCU litmus tests,
Documentation/litmus-tests/atomic/README lists atomic litmus tests.
For symmetry, merge the latter into former, with some context
adjustment in the introduction.
Acked-by: default avatarAndrea Parri <parri.andrea@gmail.com>
Acked-by: default avatarJoel Fernandes (Google) <joel@joelfernandes.org>
Acked-by: default avatarBoqun Feng <boqun.feng@gmail.com>
Signed-off-by: default avatarAkira Yokosawa <akiyks@gmail.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent 9725dd55
......@@ -2,6 +2,25 @@
LITMUS TESTS
============
Each subdirectory contains litmus tests that are typical to describe the
semantics of respective kernel APIs.
For more information about how to "run" a litmus test or how to generate
a kernel test module based on a litmus test, please see
tools/memory-model/README.
atomic (/atomic derectory)
--------------------------
Atomic-RMW+mb__after_atomic-is-stronger-than-acquire.litmus
Test that an atomic RMW followed by a smp_mb__after_atomic() is
stronger than a normal acquire: both the read and write parts of
the RMW are ordered before the subsequential memory accesses.
Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus
Test that atomic_set() cannot break the atomicity of atomic RMWs.
RCU (/rcu directory)
--------------------
......
This directory contains litmus tests that are typical to describe the semantics
of our atomic APIs. For more information about how to "run" a litmus test or
how to generate a kernel test module based on a litmus test, please see
tools/memory-model/README.
============
LITMUS TESTS
============
Atomic-RMW+mb__after_atomic-is-stronger-than-acquire
Test that an atomic RMW followed by a smp_mb__after_atomic() is
stronger than a normal acquire: both the read and write parts of
the RMW are ordered before the subsequential memory accesses.
Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus
Test that atomic_set() cannot break the atomicity of atomic RMWs.
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