1 files changed, 5 insertions, 1 deletions

diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index 4755b98b6dfb..f65f7cde8a64 100644
--- a/lib/spinlock_debug.c
+++ b/lib/spinlock_debug.c
@@ -31,6 +31,7 @@ void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name,
 
 EXPORT_SYMBOL(__raw_spin_lock_init);
 
+#ifndef CONFIG_PREEMPT_RT
 void __rwlock_init(rwlock_t *lock, const char *name,
                    struct lock_class_key *key)
 {
@@ -46,8 +47,8 @@ void __rwlock_init(rwlock_t *lock, const char *name,
         lock->owner = SPINLOCK_OWNER_INIT;
         lock->owner_cpu = -1;
 }
-
 EXPORT_SYMBOL(__rwlock_init);
+#endif
 
 static void spin_bug(raw_spinlock_t *lock, const char *msg)
 {
@@ -154,6 +155,7 @@ void do_raw_spin_unlock(raw_spinlock_t *lock)
         arch_spin_unlock(&lock->raw_lock);
 }
 
+#ifndef CONFIG_PREEMPT_RT
 static void rwlock_bug(rwlock_t *lock, const char *msg)
 {
         if (!debug_locks_off())
@@ -295,3 +297,5 @@ void do_raw_write_unlock(rwlock_t *lock)
         debug_write_unlock(lock);
         arch_write_unlock(&lock->raw_lock);
 }
+
+#endif