diff options
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/rtmutex.c | 20 | ||||
| -rw-r--r-- | kernel/locking/rtmutex_common.h | 1 |
2 files changed, 0 insertions, 21 deletions
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index 48fff6437901..29f09d0b8224 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -1793,26 +1793,6 @@ int rt_mutex_start_proxy_lock(struct rt_mutex *lock, } /** - * rt_mutex_next_owner - return the next owner of the lock - * - * @lock: the rt lock query - * - * Returns the next owner of the lock or NULL - * - * Caller has to serialize against other accessors to the lock - * itself. - * - * Special API call for PI-futex support - */ -struct task_struct *rt_mutex_next_owner(struct rt_mutex *lock) -{ - if (!rt_mutex_has_waiters(lock)) - return NULL; - - return rt_mutex_top_waiter(lock)->task; -} - -/** * rt_mutex_wait_proxy_lock() - Wait for lock acquisition * @lock: the rt_mutex we were woken on * @to: the timeout, null if none. hrtimer should already have diff --git a/kernel/locking/rtmutex_common.h b/kernel/locking/rtmutex_common.h index ca6fb489007b..a5007f00c1b7 100644 --- a/kernel/locking/rtmutex_common.h +++ b/kernel/locking/rtmutex_common.h @@ -130,7 +130,6 @@ enum rtmutex_chainwalk { /* * PI-futex support (proxy locking functions, etc.): */ -extern struct task_struct *rt_mutex_next_owner(struct rt_mutex *lock); extern void rt_mutex_init_proxy_locked(struct rt_mutex *lock, struct task_struct *proxy_owner); extern void rt_mutex_proxy_unlock(struct rt_mutex *lock); |