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| author |   Paul E. McKenney <paulmck@kernel.org> | 2020-04-13 16:33:01 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-04-27 11:01:15 -0700 |
| commit | 4f58820fd710e0563e22420c07c03c5ccec948bf (patch) | |
| tree | b5ad6b45a9062785a64442d98debf3f77ed79460 /kernel/rcu | |
| parent | rcu: Add KCSAN stubs (diff) | |
| download | linux-dev-4f58820fd710e0563e22420c07c03c5ccec948bf.tar.xz linux-dev-4f58820fd710e0563e22420c07c03c5ccec948bf.zip | |
srcu: 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 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/srcutree.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index 0c71505f0e19..ba2b751e9168 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -29,6 +29,19 @@ #include "rcu.h" #include "rcu_segcblist.h" +#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 + /* Holdoff in nanoseconds for auto-expediting. */ #define DEFAULT_SRCU_EXP_HOLDOFF (25 * 1000) static ulong exp_holdoff = DEFAULT_SRCU_EXP_HOLDOFF; |