srcu: Add KCSAN stubs (4f58820f) · Commits · 戴 / test

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/srcutree.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -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;

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