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Diffstat (limited to 'arch/powerpc/include/asm/spinlock.h')
-rw-r--r--arch/powerpc/include/asm/spinlock.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index d256e448ea49..edbe571bcc54 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -309,5 +309,8 @@ static inline void arch_write_unlock(arch_rwlock_t *rw)
#define arch_read_relax(lock) __rw_yield(lock)
#define arch_write_relax(lock) __rw_yield(lock)
+/* See include/linux/spinlock.h */
+#define smp_mb__after_spinlock() smp_mb()
+
#endif /* __KERNEL__ */
#endif /* __ASM_SPINLOCK_H */