tree 2f8b8e12d5111fc08ce67245e75dee3ddb76eb3a
parent 71b0e3aeb28256712945d99ca67b3f5e3ed7e0b1
author Marco Elver <elver@google.com> 1638272662 +0100
committer Paul E. McKenney <paulmck@kernel.org> 1639096947 -0800

locking/barriers, kcsan: Add instrumentation for barriers

Adds the required KCSAN instrumentation for barriers if CONFIG_SMP.
KCSAN supports modeling the effects of:

	smp_mb()
	smp_rmb()
	smp_wmb()
	smp_store_release()

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