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

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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: Andrea Parri <parri.andrea@gmail.com>
Acked-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Acked-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Akira Yokosawa 2020-05-10 15:12:57 +09:00 committed by Paul E. McKenney
parent 9725dd5551
commit cdaac9d6d2
2 changed files with 19 additions and 16 deletions
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19
Documentation/litmus-tests/README
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@ -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)
--------------------

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Documentation/litmus-tests/atomic/README
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@ -1,16 +0,0 @@
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.