write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/include/linux/rtmutex.h
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@@ -14,14 +14,10 @@
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 #define __LINUX_RT_MUTEX_H
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 #include <linux/linkage.h>
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-#include <linux/spinlock_types_raw.h>
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 #include <linux/rbtree.h>
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+#include <linux/spinlock_types.h>
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 extern int max_lock_depth; /* for sysctl */
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-
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-#ifdef CONFIG_DEBUG_MUTEXES
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-#include <linux/debug_locks.h>
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-#endif
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 /**
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  * The rt_mutex structure
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@@ -35,8 +31,8 @@
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 	raw_spinlock_t		wait_lock;
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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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+	int			save_state;
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 	const char		*name, *file;
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 	int			line;
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 	void			*magic;
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@@ -86,22 +82,15 @@
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 #define __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname)
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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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+#define __RT_MUTEX_INITIALIZER(mutexname) \
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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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-
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-#define __RT_MUTEX_INITIALIZER(mutexname) \
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-	{ __RT_MUTEX_INITIALIZER_PLAIN(mutexname) }
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+	__DEP_MAP_RT_MUTEX_INITIALIZER(mutexname)}
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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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-#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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 /**
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  * rt_mutex_is_locked - is the mutex locked
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@@ -126,7 +115,6 @@
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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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