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-rw-r--r--kernel/locking/rwsem.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c
index c017f9f2874b..2847833d5583 100644
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -1347,6 +1347,7 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
#else /* !CONFIG_PREEMPT_RT */
+#define RT_MUTEX_BUILD_MUTEX
#include "rtmutex.c"
#define rwbase_set_and_save_current_state(state) \