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authorThomas Gleixner <tglx@linutronix.de>2021-01-20 11:32:07 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-30 13:32:12 +0100
commit29013e4f4b73e2f5ef39a443b05c231ac29c690f (patch)
tree937e2e9d8f1c96a404b823217879f969963c8353
parent0e1501f7b1eea94991e60cc51fadb3838bb2c7cb (diff)
rtmutex: Remove unused argument from rt_mutex_proxy_unlock()
commit 2156ac1934166d6deb6cd0f6ffc4c1076ec63697 upstream 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 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--kernel/futex.c2
-rw-r--r--kernel/locking/rtmutex.c3
-rw-r--r--kernel/locking/rtmutex_common.h3
3 files changed, 3 insertions, 5 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index 8f278ef35565..cc60a7709e1d 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -894,7 +894,7 @@ 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 9562aaa2afdc..a5ec4f68527e 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1719,8 +1719,7 @@ 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 d1d62f942be2..ca6fb489007b 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,