kcsan: selftest: Add test case to check memory barrier instrumentation
authorMarco Elver <elver@google.com>
Tue, 30 Nov 2021 11:44:21 +0000 (12:44 +0100)
committerPaul E. McKenney <paulmck@kernel.org>
Fri, 10 Dec 2021 00:42:27 +0000 (16:42 -0800)
commit71b0e3aeb28256712945d99ca67b3f5e3ed7e0b1
treeabe1638ba6b1dbec580293fc06c33f943b4931de
parent116af35e38cf97ed72111ac6bea19f8acea2d0ba
kcsan: selftest: Add test case to check memory barrier instrumentation

Memory barrier instrumentation is crucial to avoid false positives. To
avoid surprises, run a simple test case in the boot-time selftest to
ensure memory barriers are still instrumented correctly.

Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
kernel/kcsan/Makefile
kernel/kcsan/selftest.c