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-rw-r--r--include/linux/spinlock_up.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index ea54c4c9a4ec..938234c4a996 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -64,6 +64,8 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
# define __raw_spin_trylock(lock) ({ (void)(lock); 1; })
#endif /* DEBUG_SPINLOCK */
+#define __raw_spin_is_contended(lock) (((void)(lock), 0))
+
#define __raw_read_can_lock(lock) (((void)(lock), 1))
#define __raw_write_can_lock(lock) (((void)(lock), 1))