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-rw-r--r--include/asm-arm/spinlock.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h
index 01b7c26a303..861092fbaa5 100644
--- a/include/asm-arm/spinlock.h
+++ b/include/asm-arm/spinlock.h
@@ -218,4 +218,8 @@ static inline int __raw_read_trylock(raw_rwlock_t *rw)
/* read_can_lock - would read_trylock() succeed? */
#define __raw_read_can_lock(x) ((x)->lock < 0x80000000)
+#define _raw_spin_relax(lock) cpu_relax()
+#define _raw_read_relax(lock) cpu_relax()
+#define _raw_write_relax(lock) cpu_relax()
+
#endif /* __ASM_SPINLOCK_H */