diff --git a/include/linux/local_lock.h b/include/linux/local_lock.h
index 16a2ee4..092ce89 100644
--- a/include/linux/local_lock.h
+++ b/include/linux/local_lock.h
@@ -66,6 +66,8 @@
  */
 #define local_trylock(lock)		__local_trylock(lock)
 
+#define local_lock_is_locked(lock)	__local_lock_is_locked(lock)
+
 /**
  * local_trylock_irqsave - Try to acquire a per CPU local lock, save and disable
  *			   interrupts if acquired
diff --git a/include/linux/local_lock_internal.h b/include/linux/local_lock_internal.h
index 29df45f..263723a 100644
--- a/include/linux/local_lock_internal.h
+++ b/include/linux/local_lock_internal.h
@@ -165,6 +165,9 @@ do {								\
 		!!tl;						\
 	})
 
+/* preemption or migration must be disabled before calling __local_lock_is_locked */
+#define __local_lock_is_locked(lock) READ_ONCE(this_cpu_ptr(lock)->acquired)
+
 #define __local_lock_release(lock)					\
 	do {								\
 		local_trylock_t *tl;					\
@@ -285,4 +288,9 @@ do {								\
 		__local_trylock(lock);				\
 	})
 
+/* migration must be disabled before calling __local_lock_is_locked */
+#include "../../kernel/locking/rtmutex_common.h"
+#define __local_lock_is_locked(__lock)					\
+	(rt_mutex_owner(&this_cpu_ptr(__lock)->lock) == current)
+
 #endif /* CONFIG_PREEMPT_RT */