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Release 4.15 kernel/locking/rtmutex-debug.h

Directory: kernel/locking
/* SPDX-License-Identifier: GPL-2.0 */
 * RT-Mutexes: blocking mutual exclusion locks with PI support
 * started by Ingo Molnar and Thomas Gleixner:
 *  Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <>
 *  Copyright (C) 2006, Timesys Corp., Thomas Gleixner <>
 * This file contains macros used solely by rtmutex.c. Debug version.

extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter);
extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key);
extern void debug_rt_mutex_lock(struct rt_mutex *lock);
extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
				      struct task_struct *powner);
extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
extern void debug_rt_mutex_deadlock(enum rtmutex_chainwalk chwalk,
				    struct rt_mutex_waiter *waiter,
				    struct rt_mutex *lock);
extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);

# define debug_rt_mutex_reset_waiter(w)			\
	do { (w)->deadlock_lock = NULL; } while (0)

static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter, enum rtmutex_chainwalk walk) { return (waiter != NULL); }


Ingo Molnar1982.61%150.00%
Thomas Gleixner417.39%150.00%

static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w) { debug_rt_mutex_print_deadlock(w); }


Thomas Gleixner17100.00%1100.00%

Overall Contributors

Ingo Molnar13481.71%120.00%
Thomas Gleixner2414.63%240.00%
Peter Zijlstra53.05%120.00%
Greg Kroah-Hartman10.61%120.00%
Directory: kernel/locking
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