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-rw-r--r--include/asm-ppc64/spinlock.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-ppc64/spinlock.h b/include/asm-ppc64/spinlock.h
index b631675377a2..4181bd232267 100644
--- a/include/asm-ppc64/spinlock.h
+++ b/include/asm-ppc64/spinlock.h
@@ -214,5 +214,7 @@ static __inline__ int is_write_locked(rwlock_t *rw)
#define rwlock_init(x) do { *(x) = RW_LOCK_UNLOCKED; } while(0)
+#define rwlock_is_locked(x) ((x)->lock)
+
#endif /* __KERNEL__ */
#endif /* __ASM_SPINLOCK_H */