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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:06:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:06:00 +0000
commitb15a952c52a6825376d3e7f6c1bf5c886c6d8b74 (patch)
tree1500f2f8f276908a36d8126cb632c0d6b1276764 /debian/patches-rt/0159-locking-rtmutex-Remove-rt_mutex_timed_lock.patch
parentAdding upstream version 5.10.209. (diff)
downloadlinux-b15a952c52a6825376d3e7f6c1bf5c886c6d8b74.tar.xz
linux-b15a952c52a6825376d3e7f6c1bf5c886c6d8b74.zip
Adding debian version 5.10.209-2.debian/5.10.209-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches-rt/0159-locking-rtmutex-Remove-rt_mutex_timed_lock.patch')
-rw-r--r--debian/patches-rt/0159-locking-rtmutex-Remove-rt_mutex_timed_lock.patch98
1 files changed, 98 insertions, 0 deletions
diff --git a/debian/patches-rt/0159-locking-rtmutex-Remove-rt_mutex_timed_lock.patch b/debian/patches-rt/0159-locking-rtmutex-Remove-rt_mutex_timed_lock.patch
new file mode 100644
index 000000000..5573d0e56
--- /dev/null
+++ b/debian/patches-rt/0159-locking-rtmutex-Remove-rt_mutex_timed_lock.patch
@@ -0,0 +1,98 @@
+From 6ec5055da1da31b64ab24ba9ff1739d05e46bb7f 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 159/323] locking/rtmutex: Remove rt_mutex_timed_lock()
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz
+
+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 9aa4d545020a..b5d5c570a8ac 100644
+--- a/kernel/locking/rtmutex.c
++++ b/kernel/locking/rtmutex.c
+@@ -1405,21 +1405,6 @@ 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))
+@@ -1527,37 +1512,6 @@ 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
+ *
+--
+2.43.0
+