Release 4.7 kernel/locking/rtmutex.h

/*
 * 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 <mingo@redhat.com>
 *  Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
 *
 * This file contains macros used solely by rtmutex.c.
 * Non-debug version.
 */


#define rt_mutex_deadlock_check(l)			(0)

#define rt_mutex_deadlock_account_lock(m, t)		do { } while (0)

#define rt_mutex_deadlock_account_unlock(l)		do { } while (0)

#define debug_rt_mutex_init_waiter(w)			do { } while (0)

#define debug_rt_mutex_free_waiter(w)			do { } while (0)

#define debug_rt_mutex_lock(l)				do { } while (0)

#define debug_rt_mutex_proxy_lock(l,p)			do { } while (0)

#define debug_rt_mutex_proxy_unlock(l)			do { } while (0)

#define debug_rt_mutex_unlock(l)			do { } while (0)

#define debug_rt_mutex_init(m, n)			do { } while (0)

#define debug_rt_mutex_deadlock(d, a ,l)		do { } while (0)

#define debug_rt_mutex_print_deadlock(w)		do { } while (0)

#define debug_rt_mutex_reset_waiter(w)			do { } while (0)



static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
{
	WARN(1, "rtmutex deadlock detected\n");
}

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static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *w,
						  enum rtmutex_chainwalk walk)
{
	return walk == RT_MUTEX_FULL_CHAINWALK;
}
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Directory: kernel/locking

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