Messages in this thread Patch in this message | | | From | paulmck@kernel ... | Subject | [PATCH tip/core/rcu 1/6] rcu: Add KCSAN stubs to update.c | Date | Wed, 15 Apr 2020 10:56:09 -0700 |
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From: "Paul E. McKenney" <paulmck@kernel.org>
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> --- 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); -- 2.9.5
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