Commit 2156ac19 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

rtmutex: Remove unused argument from rt_mutex_proxy_unlock() 



Nothing uses the argument. Remove it as preparation to use
pi_state_update_owner().

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
parent c5cade20

kernel/futex.c

+1 −1
Original line number Diff line number Diff line
@@ -818,7 +818,7 @@ static void put_pi_state(struct futex_pi_state *pi_state) 
			list_del_init(&pi_state->list);

			raw_spin_unlock(&owner->pi_lock);

		}

		rt_mutex_proxy_unlock(&pi_state->pi_mutex, owner);

		rt_mutex_proxy_unlock(&pi_state->pi_mutex);

		raw_spin_unlock_irqrestore(&pi_state->pi_mutex.wait_lock, flags);

	}

kernel/locking/rtmutex.c

+1 −2
Original line number Diff line number Diff line
@@ -1716,8 +1716,7 @@ void 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 rt_mutex_proxy_unlock(struct rt_mutex *lock,

			   struct task_struct *proxy_owner)

void rt_mutex_proxy_unlock(struct rt_mutex *lock)

{

	debug_rt_mutex_proxy_unlock(lock);

	rt_mutex_set_owner(lock, NULL);

kernel/locking/rtmutex_common.h

+1 −2
Original line number Diff line number Diff line
@@ -133,8 +133,7 @@ enum rtmutex_chainwalk { 
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,

				  struct task_struct *proxy_owner);

extern void rt_mutex_proxy_unlock(struct rt_mutex *lock);

extern void rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);

extern int __rt_mutex_start_proxy_lock(struct rt_mutex *lock,

				     struct rt_mutex_waiter *waiter,