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rcutorture: Add KCSAN stubs

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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>
This commit is contained in:
Paul E. McKenney 2020-04-13 16:30:35 -07:00
parent 353159365e
commit 3b2a473985
1 changed files with 12 additions and 0 deletions
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12
kernel/rcu/rcutorture.c
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@ -51,6 +51,18 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com> and Josh Triplett <josh@joshtriplett.org>");
#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
/* Bits for ->extendables field, extendables param, and related definitions. */
#define RCUTORTURE_RDR_SHIFT 8 /* Put SRCU index in upper bits. */