1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index 938234c4a99..d4841ed8215 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -60,6 +60,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
 #define __raw_spin_is_locked(lock)      ((void)(lock), 0)
 /* for sched.c and kernel_lock.c: */
 # define __raw_spin_lock(lock)          do { (void)(lock); } while (0)
+# define __raw_spin_lock_flags(lock, flags)     do { (void)(lock); } while (0)
 # define __raw_spin_unlock(lock)        do { (void)(lock); } while (0)
 # define __raw_spin_trylock(lock)       ({ (void)(lock); 1; })
 #endif /* DEBUG_SPINLOCK */