summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2021-02-03 13:45:36 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-02-10 09:09:24 +0100
commit285b624ec7818a43b96568a45ed7844a78eccd97 (patch)
treef1eaf787a04d302cff9a4cdfa930b9924b49fba5
parent76bc0eca09e1f44f3c40cc4f69dbfe446458aaa1 (diff)
downloadlinux-285b624ec7818a43b96568a45ed7844a78eccd97.tar.gz
linux-285b624ec7818a43b96568a45ed7844a78eccd97.tar.bz2
linux-285b624ec7818a43b96568a45ed7844a78eccd97.zip
rtmutex: Remove unused argument from rt_mutex_proxy_unlock()
[ 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>
-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 391a85dcd46c..40b9ba24bd9a 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -883,7 +883,7 @@ static void put_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 d295821ed4cc..6ff4156b3929 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1696,8 +1696,7 @@ 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 09991287491d..bea5d677fe34 100644
--- a/kernel/locking/rtmutex_common.h
+++ b/kernel/locking/rtmutex_common.h
@@ -102,8 +102,7 @@ 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);