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authorPaul E. McKenney <paulmck@kernel.org>2020-04-13 16:30:35 -0700
committerPaul E. McKenney <paulmck@kernel.org>2020-04-27 11:05:13 -0700
commit3b2a47398552938d2ae0091f35eb3658a52a0769 (patch)
treef4c90bdcbf2f3e1e2d453181f9217207f26a36ef /kernel/rcu
parent353159365e725fab7b3bf2817bec0ecd16706a38 (diff)
rcutorture: Add KCSAN stubs
This commit adds stubs for KCSAN's data_race(), ASSERT_EXCLUSIVE_WRITER(), and ASSERT_EXCLUSIVE_ACCESS() macros to allow code using these macros to move ahead. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/rcutorture.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 5453bd557f43..7e2ea0c57433 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -51,6 +51,18 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com> and Josh Triplett <josh@joshtriplett.org>");
+#ifndef data_race
+#define data_race(expr) \
+ ({ \
+ expr; \
+ })
+#endif
+#ifndef ASSERT_EXCLUSIVE_WRITER
+#define ASSERT_EXCLUSIVE_WRITER(var) do { } while (0)
+#endif
+#ifndef ASSERT_EXCLUSIVE_ACCESS
+#define ASSERT_EXCLUSIVE_ACCESS(var) do { } while (0)
+#endif
/* Bits for ->extendables field, extendables param, and related definitions. */
#define RCUTORTURE_RDR_SHIFT 8 /* Put SRCU index in upper bits. */