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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/linux/rtmutex.h
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@@ -14,8 +14,8 @@
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 #define __LINUX_RT_MUTEX_H
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 #include <linux/linkage.h>
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+#include <linux/rbtree_type.h>
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 #include <linux/spinlock_types_raw.h>
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-#include <linux/rbtree.h>
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 extern int max_lock_depth; /* for sysctl */
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@@ -36,11 +36,6 @@
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 	struct rb_root_cached   waiters;
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 	struct task_struct	*owner;
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 	int			save_state;
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-#ifdef CONFIG_DEBUG_RT_MUTEXES
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-	const char		*name, *file;
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-	int			line;
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-	void			*magic;
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-#endif
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 #ifdef CONFIG_DEBUG_LOCK_ALLOC
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 	struct lockdep_map	dep_map;
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 #endif
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@@ -53,6 +48,7 @@
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  extern int rt_mutex_debug_check_no_locks_freed(const void *from,
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 						unsigned long len);
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  extern void rt_mutex_debug_check_no_locks_held(struct task_struct *task);
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+ extern void rt_mutex_debug_task_free(struct task_struct *tsk);
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 #else
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  static inline int rt_mutex_debug_check_no_locks_freed(const void *from,
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 						       unsigned long len)
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@@ -60,24 +56,14 @@
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 	return 0;
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  }
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 # define rt_mutex_debug_check_no_locks_held(task)	do { } while (0)
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+# define rt_mutex_debug_task_free(t)			do { } while (0)
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 #endif
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-#ifdef CONFIG_DEBUG_RT_MUTEXES
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-# define __DEBUG_RT_MUTEX_INITIALIZER(mutexname) \
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-	, .name = #mutexname, .file = __FILE__, .line = __LINE__
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-
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-# define rt_mutex_init(mutex) \
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+#define rt_mutex_init(mutex) \
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 do { \
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 	static struct lock_class_key __key; \
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 	__rt_mutex_init(mutex, __func__, &__key); \
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 } while (0)
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-
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- extern void rt_mutex_debug_task_free(struct task_struct *tsk);
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-#else
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-# define __DEBUG_RT_MUTEX_INITIALIZER(mutexname)
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-# define rt_mutex_init(mutex)			__rt_mutex_init(mutex, NULL, NULL)
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-# define rt_mutex_debug_task_free(t)			do { } while (0)
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-#endif
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 #ifdef CONFIG_DEBUG_LOCK_ALLOC
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 #define __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) \
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@@ -87,21 +73,21 @@
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 #endif
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 #define __RT_MUTEX_INITIALIZER_PLAIN(mutexname) \
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-	.wait_lock = __RAW_SPIN_LOCK_UNLOCKED(mutexname.wait_lock) \
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+	  .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(mutexname.wait_lock) \
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 	, .waiters = RB_ROOT_CACHED \
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 	, .owner = NULL \
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-	__DEBUG_RT_MUTEX_INITIALIZER(mutexname) \
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 	__DEP_MAP_RT_MUTEX_INITIALIZER(mutexname)
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 #define __RT_MUTEX_INITIALIZER(mutexname) \
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-	{ __RT_MUTEX_INITIALIZER_PLAIN(mutexname) }
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-
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-#define DEFINE_RT_MUTEX(mutexname) \
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-	struct rt_mutex mutexname = __RT_MUTEX_INITIALIZER(mutexname)
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+	{ __RT_MUTEX_INITIALIZER_PLAIN(mutexname) \
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+	, .save_state = 0 }
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 #define __RT_MUTEX_INITIALIZER_SAVE_STATE(mutexname) \
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 	{ __RT_MUTEX_INITIALIZER_PLAIN(mutexname)    \
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-		, .save_state = 1 }
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+	, .save_state = 1 }
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+
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+#define DEFINE_RT_MUTEX(mutexname) \
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+	struct rt_mutex mutexname = __RT_MUTEX_INITIALIZER(mutexname)
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 /**
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  * rt_mutex_is_locked - is the mutex locked
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@@ -126,10 +112,6 @@
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 #endif
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 extern int rt_mutex_lock_interruptible(struct rt_mutex *lock);
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-extern int rt_mutex_lock_killable(struct rt_mutex *lock);
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-extern int rt_mutex_timed_lock(struct rt_mutex *lock,
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-			       struct hrtimer_sleeper *timeout);
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-
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 extern int rt_mutex_trylock(struct rt_mutex *lock);
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 extern void rt_mutex_unlock(struct rt_mutex *lock);