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authorLee Jones <lee.jones@linaro.org>2021-02-04 17:29:00 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-02-10 09:07:25 +0100
commit42255927e832f9c1ed8db4e84530bc6a54aa2fee (patch)
tree5e8453bcd1fc3b08087debd529bd5b502cf0c5b0 /kernel
parent34c8e1c2c025b8c3eefb43fbcec2699841f0d153 (diff)
rtmutex: Remove unused argument from rt_mutex_proxy_unlock()
From: Thomas Gleixner <tglx@linutronix.de> [ Upstream commit 2156ac1934166d6deb6cd0f6ffc4c1076ec63697 ] 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: Lee Jones <lee.jones@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
-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 1390ffa874a6..bf40921ef120 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -878,7 +878,7 @@ static void free_pi_state(struct futex_pi_state *pi_state)
list_del_init(&pi_state->list);
raw_spin_unlock_irq(&pi_state->owner->pi_lock);
- rt_mutex_proxy_unlock(&pi_state->pi_mutex, pi_state->owner);
+ rt_mutex_proxy_unlock(&pi_state->pi_mutex);
}
if (current->pi_state_cache)
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 45d3c9aec853..1c0cb5c3c6ad 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1662,8 +1662,7 @@ void rt_mutex_init_proxy_locked(struct rt_mutex *lock,
* No locking. Caller has to do serializing itself
* Special API call for PI-futex support
*/
-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 ea7310b9ce83..4584db96265d 100644
--- a/kernel/locking/rtmutex_common.h
+++ b/kernel/locking/rtmutex_common.h
@@ -101,8 +101,7 @@ 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 int rt_mutex_start_proxy_lock(struct rt_mutex *lock,
struct rt_mutex_waiter *waiter,
struct task_struct *task);