1 files changed, 23 insertions, 18 deletions

diff --git a/kernel/locking/rtmutex_api.c b/kernel/locking/rtmutex_api.c
index fc1322f5b219..38de4b137b9e 100644
--- a/kernel/locking/rtmutex_api.c
+++ b/kernel/locking/rtmutex_api.c
@@ -26,12 +26,18 @@ static __always_inline int __rt_mutex_lock_common(struct rt_mutex *lock,
 
 	might_sleep();
 	mutex_acquire(&lock->dep_map, subclass, 0, _RET_IP_);
-	ret = __rt_mutex_lock(lock, state);
+	ret = __rt_mutex_lock(&lock->rtmutex, state);
 	if (ret)
 		mutex_release(&lock->dep_map, _RET_IP_);
 	return ret;
 }
 
+void rt_mutex_base_init(struct rt_mutex_base *rtb)
+{
+	__rt_mutex_base_init(rtb);
+}
+EXPORT_SYMBOL(rt_mutex_base_init);
+
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 /**
  * rt_mutex_lock_nested - lock a rt_mutex
@@ -93,7 +99,7 @@ int __sched rt_mutex_trylock(struct rt_mutex *lock)
 	if (IS_ENABLED(CONFIG_DEBUG_RT_MUTEXES) && WARN_ON_ONCE(!in_task()))
 		return 0;
 
-	ret = __rt_mutex_trylock(lock);
+	ret = __rt_mutex_trylock(&lock->rtmutex);
 	if (ret)
 		mutex_acquire(&lock->dep_map, 0, 1, _RET_IP_);
 
@@ -109,19 +115,19 @@ EXPORT_SYMBOL_GPL(rt_mutex_trylock);
 void __sched rt_mutex_unlock(struct rt_mutex *lock)
 {
 	mutex_release(&lock->dep_map, _RET_IP_);
-	__rt_mutex_unlock(lock);
+	__rt_mutex_unlock(&lock->rtmutex);
 }
 EXPORT_SYMBOL_GPL(rt_mutex_unlock);
 
 /*
  * Futex variants, must not use fastpath.
  */
-int __sched rt_mutex_futex_trylock(struct rt_mutex *lock)
+int __sched rt_mutex_futex_trylock(struct rt_mutex_base *lock)
 {
 	return rt_mutex_slowtrylock(lock);
 }
 
-int __sched __rt_mutex_futex_trylock(struct rt_mutex *lock)
+int __sched __rt_mutex_futex_trylock(struct rt_mutex_base *lock)
 {
 	return __rt_mutex_slowtrylock(lock);
 }
@@ -133,7 +139,7 @@ int __sched __rt_mutex_futex_trylock(struct rt_mutex *lock)
  * @lock:	The rt_mutex to be unlocked
  * @wake_q:	The wake queue head from which to get the next lock waiter
  */
-bool __sched __rt_mutex_futex_unlock(struct rt_mutex *lock,
+bool __sched __rt_mutex_futex_unlock(struct rt_mutex_base *lock,
 				     struct wake_q_head *wake_q)
 {
 	lockdep_assert_held(&lock->wait_lock);
@@ -156,7 +162,7 @@ bool __sched __rt_mutex_futex_unlock(struct rt_mutex *lock,
 	return true; /* call postunlock() */
 }
 
-void __sched rt_mutex_futex_unlock(struct rt_mutex *lock)
+void __sched rt_mutex_futex_unlock(struct rt_mutex_base *lock)
 {
 	DEFINE_WAKE_Q(wake_q);
 	unsigned long flags;
@@ -182,12 +188,11 @@ void __sched rt_mutex_futex_unlock(struct rt_mutex *lock)
  * Initializing of a locked rt_mutex is not allowed
  */
 void __sched __rt_mutex_init(struct rt_mutex *lock, const char *name,
-		     struct lock_class_key *key)
+			     struct lock_class_key *key)
 {
 	debug_check_no_locks_freed((void *)lock, sizeof(*lock));
+	__rt_mutex_base_init(&lock->rtmutex);
 	lockdep_init_map_wait(&lock->dep_map, name, key, 0, LD_WAIT_SLEEP);
-
-	__rt_mutex_basic_init(lock);
 }
 EXPORT_SYMBOL_GPL(__rt_mutex_init);
 
@@ -205,10 +210,10 @@ EXPORT_SYMBOL_GPL(__rt_mutex_init);
  * possible at this point because the pi_state which contains the rtmutex
  * is not yet visible to other tasks.
  */
-void __sched rt_mutex_init_proxy_locked(struct rt_mutex *lock,
+void __sched rt_mutex_init_proxy_locked(struct rt_mutex_base *lock,
 					struct task_struct *proxy_owner)
 {
-	__rt_mutex_basic_init(lock);
+	__rt_mutex_base_init(lock);
 	rt_mutex_set_owner(lock, proxy_owner);
 }
 
@@ -224,7 +229,7 @@ void __sched rt_mutex_init_proxy_locked(struct rt_mutex *lock,
  * possible because it belongs to the pi_state which is about to be freed
  * and it is not longer visible to other tasks.
  */
-void __sched rt_mutex_proxy_unlock(struct rt_mutex *lock)
+void __sched rt_mutex_proxy_unlock(struct rt_mutex_base *lock)
 {
 	debug_rt_mutex_proxy_unlock(lock);
 	rt_mutex_set_owner(lock, NULL);
@@ -249,7 +254,7 @@ void __sched rt_mutex_proxy_unlock(struct rt_mutex *lock)
  *
  * Special API call for PI-futex support.
  */
-int __sched __rt_mutex_start_proxy_lock(struct rt_mutex *lock,
+int __sched __rt_mutex_start_proxy_lock(struct rt_mutex_base *lock,
 					struct rt_mutex_waiter *waiter,
 					struct task_struct *task)
 {
@@ -296,7 +301,7 @@ int __sched __rt_mutex_start_proxy_lock(struct rt_mutex *lock,
  *
  * Special API call for PI-futex support.
  */
-int __sched rt_mutex_start_proxy_lock(struct rt_mutex *lock,
+int __sched rt_mutex_start_proxy_lock(struct rt_mutex_base *lock,
 				      struct rt_mutex_waiter *waiter,
 				      struct task_struct *task)
 {
@@ -328,7 +333,7 @@ int __sched rt_mutex_start_proxy_lock(struct rt_mutex *lock,
  *
  * Special API call for PI-futex support
  */
-int __sched rt_mutex_wait_proxy_lock(struct rt_mutex *lock,
+int __sched rt_mutex_wait_proxy_lock(struct rt_mutex_base *lock,
 				     struct hrtimer_sleeper *to,
 				     struct rt_mutex_waiter *waiter)
 {
@@ -368,7 +373,7 @@ int __sched rt_mutex_wait_proxy_lock(struct rt_mutex *lock,
  *
  * Special API call for PI-futex support
  */
-bool __sched rt_mutex_cleanup_proxy_lock(struct rt_mutex *lock,
+bool __sched rt_mutex_cleanup_proxy_lock(struct rt_mutex_base *lock,
 					 struct rt_mutex_waiter *waiter)
 {
 	bool cleanup = false;
@@ -413,7 +418,7 @@ bool __sched rt_mutex_cleanup_proxy_lock(struct rt_mutex *lock,
 void __sched rt_mutex_adjust_pi(struct task_struct *task)
 {
 	struct rt_mutex_waiter *waiter;
-	struct rt_mutex *next_lock;
+	struct rt_mutex_base *next_lock;
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&task->pi_lock, flags);