The following commit has been merged into the core/rcu branch of tip: Commit-ID: 353159365e725fab7b3bf2817bec0ecd16706a38 Gitweb: https://git.kernel.org/tip/353159365e725fab7b3bf2817bec0ecd16706a38 Author: Paul E. McKenney <paulmck@xxxxxxxxxx> AuthorDate: Mon, 13 Apr 2020 16:36:29 -07:00 Committer: Paul E. McKenney <paulmck@xxxxxxxxxx> CommitterDate: Mon, 27 Apr 2020 11:00:06 -07:00 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@xxxxxxxxxx> --- kernel/rcu/tree.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index d9a49cd..156ac8d 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. */ /*
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