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-rw-r--r--features/rt/locking-rtmutex-Remove-rt_mutex_timed_lock.patch97
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
-