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Subject[PATCH v2 1/4] Documentation: LKMM: Move MP+onceassign+derefonce to new litmus-tests/rcu/
Date
Move MP+onceassign+derefonce to the new Documentation/litmus-tests/rcu/
directory.

More RCU-related litmus tests would be added here.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>

---
Cc: vpillai@digitalocean.com

Documentation/litmus-tests/README | 9 +++++++++
.../litmus-tests/rcu}/MP+onceassign+derefonce.litmus | 0
tools/memory-model/litmus-tests/README | 3 ---
3 files changed, 9 insertions(+), 3 deletions(-)
create mode 100644 Documentation/litmus-tests/README
rename {tools/memory-model/litmus-tests => Documentation/litmus-tests/rcu}/MP+onceassign+derefonce.litmus (100%)

diff --git a/Documentation/litmus-tests/README b/Documentation/litmus-tests/README
new file mode 100644
index 0000000000000..84208bc197f2e
--- /dev/null
+++ b/Documentation/litmus-tests/README
@@ -0,0 +1,9 @@
+============
+LITMUS TESTS
+============
+
+RCU (/rcu directory)
+--------------------
+MP+onceassign+derefonce.litmus
+ Demonstrates that rcu_assign_pointer() and rcu_dereference() to
+ ensure that an RCU reader will not see pre-initialization garbage.
diff --git a/tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus b/Documentation/litmus-tests/rcu/MP+onceassign+derefonce.litmus
similarity index 100%
rename from tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus
rename to Documentation/litmus-tests/rcu/MP+onceassign+derefonce.litmus
diff --git a/tools/memory-model/litmus-tests/README b/tools/memory-model/litmus-tests/README
index 681f9067fa9ed..79e1b1ed4929a 100644
--- a/tools/memory-model/litmus-tests/README
+++ b/tools/memory-model/litmus-tests/README
@@ -63,9 +63,6 @@ LB+poonceonces.litmus
As above, but with store-release replaced with WRITE_ONCE()
and load-acquire replaced with READ_ONCE().

-MP+onceassign+derefonce.litmus
- As below, but with rcu_assign_pointer() and an rcu_dereference().
-
MP+polockmbonce+poacquiresilsil.litmus
Protect the access with a lock and an smp_mb__after_spinlock()
in one process, and use an acquire load followed by a pair of
--
2.25.1.696.g5e7596f4ac-goog
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