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    Subject[PATCH tip/core/rcu 01/19] rcu: Add KCSAN stubs
    Date
    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/tree.c | 13 +++++++++++++
    1 file changed, 13 insertions(+)

    diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
    index 06548e2..f13130a 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. */

    /*
    --
    2.9.5
    \
     
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