The following commit has been merged into the core/rcu branch of tip: Commit-ID: c76e7e0bce10876e6b08ac2ce8af5ef7cba684ff Gitweb: https://git.kernel.org/tip/c76e7e0bce10876e6b08ac2ce8af5ef7cba684ff Author: Paul E. McKenney <[email protected]> AuthorDate: Tue, 14 Apr 2020 10:19:02 -07:00 Committer: Paul E. McKenney <[email protected]> CommitterDate: Mon, 27 Apr 2020 11:03:50 -07:00
rcu: Add KCSAN stubs to update.c 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 <[email protected]> --- kernel/rcu/update.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c index 28a8bdc..74a698a 100644 --- a/kernel/rcu/update.c +++ b/kernel/rcu/update.c @@ -51,6 +51,19 @@ #endif #define MODULE_PARAM_PREFIX "rcupdate." +#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 + #ifndef CONFIG_TINY_RCU module_param(rcu_expedited, int, 0); module_param(rcu_normal, int, 0);
