The following commit has been merged into the locking/urgent branch of tip:

Commit-ID: 2156ac1934166d6deb6cd0f6ffc4c1076ec63697 Gitweb: https://git.kernel.org/tip/2156ac1934166d6deb6cd0f6ffc4c1076ec63697 Author: Thomas Gleixner tglx@linutronix.de AuthorDate: Wed, 20 Jan 2021 11:32:07 +01:00 Committer: Thomas Gleixner tglx@linutronix.de CommitterDate: Tue, 26 Jan 2021 15:10:58 +01:00

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: Thomas Gleixner tglx@linutronix.de Acked-by: Peter Zijlstra (Intel) peterz@infradead.org Cc: stable@vger.kernel.org --- kernel/futex.c | 2 +- kernel/locking/rtmutex.c | 3 +-- kernel/locking/rtmutex_common.h | 3 +-- 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/kernel/futex.c b/kernel/futex.c index 7837f9e..cfca221 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -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); }

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index cfdd5b9..2f8cd61 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -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); diff --git a/kernel/locking/rtmutex_common.h b/kernel/locking/rtmutex_common.h index d1d62f9..ca6fb48 100644 --- a/kernel/locking/rtmutex_common.h +++ b/kernel/locking/rtmutex_common.h @@ -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,