diff options
Diffstat (limited to 'features/rt/locking-rtmutex-Remove-rt_mutex_timed_lock.patch')
-rw-r--r-- | features/rt/locking-rtmutex-Remove-rt_mutex_timed_lock.patch | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/features/rt/locking-rtmutex-Remove-rt_mutex_timed_lock.patch b/features/rt/locking-rtmutex-Remove-rt_mutex_timed_lock.patch deleted file mode 100644 index 33f0f4da..00000000 --- a/features/rt/locking-rtmutex-Remove-rt_mutex_timed_lock.patch +++ /dev/null @@ -1,97 +0,0 @@ -From 0f2d138c83afbe1bb580d0d1ab2e50418bdb7e6e Mon Sep 17 00:00:00 2001 -From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> -Date: Wed, 7 Oct 2020 12:11:33 +0200 -Subject: [PATCH 064/191] locking/rtmutex: Remove rt_mutex_timed_lock() - -rt_mutex_timed_lock() has no callers since commit - c051b21f71d1f ("rtmutex: Confine deadlock logic to futex") - -Remove rt_mutex_timed_lock(). - -Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> ---- - include/linux/rtmutex.h | 3 --- - kernel/locking/rtmutex.c | 46 ---------------------------------------- - 2 files changed, 49 deletions(-) - -diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h -index 2dc10b582d4a..243fabc2c85f 100644 ---- a/include/linux/rtmutex.h -+++ b/include/linux/rtmutex.h -@@ -99,9 +99,6 @@ extern void rt_mutex_lock(struct rt_mutex *lock); - #endif - - extern int rt_mutex_lock_interruptible(struct rt_mutex *lock); --extern int rt_mutex_timed_lock(struct rt_mutex *lock, -- struct hrtimer_sleeper *timeout); -- - extern int rt_mutex_trylock(struct rt_mutex *lock); - - extern void rt_mutex_unlock(struct rt_mutex *lock); -diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c -index 5e04d7a247d9..c9a37b6d6ea0 100644 ---- a/kernel/locking/rtmutex.c -+++ b/kernel/locking/rtmutex.c -@@ -1387,21 +1387,6 @@ rt_mutex_fastlock(struct rt_mutex *lock, int state, - return slowfn(lock, state, NULL, RT_MUTEX_MIN_CHAINWALK); - } - --static inline int --rt_mutex_timed_fastlock(struct rt_mutex *lock, int state, -- struct hrtimer_sleeper *timeout, -- enum rtmutex_chainwalk chwalk, -- int (*slowfn)(struct rt_mutex *lock, int state, -- struct hrtimer_sleeper *timeout, -- enum rtmutex_chainwalk chwalk)) --{ -- if (chwalk == RT_MUTEX_MIN_CHAINWALK && -- likely(rt_mutex_cmpxchg_acquire(lock, NULL, current))) -- return 0; -- -- return slowfn(lock, state, timeout, chwalk); --} -- - static inline int - rt_mutex_fasttrylock(struct rt_mutex *lock, - int (*slowfn)(struct rt_mutex *lock)) -@@ -1509,37 +1494,6 @@ int __sched __rt_mutex_futex_trylock(struct rt_mutex *lock) - return __rt_mutex_slowtrylock(lock); - } - --/** -- * rt_mutex_timed_lock - lock a rt_mutex interruptible -- * the timeout structure is provided -- * by the caller -- * -- * @lock: the rt_mutex to be locked -- * @timeout: timeout structure or NULL (no timeout) -- * -- * Returns: -- * 0 on success -- * -EINTR when interrupted by a signal -- * -ETIMEDOUT when the timeout expired -- */ --int --rt_mutex_timed_lock(struct rt_mutex *lock, struct hrtimer_sleeper *timeout) --{ -- int ret; -- -- might_sleep(); -- -- mutex_acquire(&lock->dep_map, 0, 0, _RET_IP_); -- ret = rt_mutex_timed_fastlock(lock, TASK_INTERRUPTIBLE, timeout, -- RT_MUTEX_MIN_CHAINWALK, -- rt_mutex_slowlock); -- if (ret) -- mutex_release(&lock->dep_map, _RET_IP_); -- -- return ret; --} --EXPORT_SYMBOL_GPL(rt_mutex_timed_lock); -- - /** - * rt_mutex_trylock - try to lock a rt_mutex - * --- -2.19.1 - |