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authorPaul E. McKenney <paulmck@kernel.org>2020-04-14 01:36:29 +0200
committerPaul E. McKenney <paulmck@kernel.org>2020-04-27 20:00:06 +0200
commit353159365e725fab7b3bf2817bec0ecd16706a38 (patch)
tree84c8f81c19d37cf3d826c412ffc1260f78781c31 /kernel/rcu/tree.c
parentLinux 5.7-rc2 (diff)
downloadlinux-353159365e725fab7b3bf2817bec0ecd16706a38.tar.xz
linux-353159365e725fab7b3bf2817bec0ecd16706a38.zip
rcu: 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 '')
-rw-r--r--kernel/rcu/tree.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index d9a49cd6065a..156ac8d0418b 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -67,6 +67,19 @@
#endif
#define MODULE_PARAM_PREFIX "rcutree."
+#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
+
/* Data structures. */
/*