diff options
| author | Paul E. McKenney | 2020-04-14 10:19:02 -0700 |
|---|---|---|
| committer | Paul E. McKenney | 2020-04-27 11:03:50 -0700 |
| commit | c76e7e0bce10876e6b08ac2ce8af5ef7cba684ff (patch) | |
| tree | 5674640b12dd64ca40a47f93240dc43c09779c17 | |
| parent | 353159365e725fab7b3bf2817bec0ecd16706a38 (diff) | |
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 <paulmck@kernel.org>
| -rw-r--r-- | kernel/rcu/update.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c index 28a8bdc5072f..74a698aa9027 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); |