linux-imx

/* 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 <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 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, k)            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");

}

​

static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *w,

                          enum rtmutex_chainwalk walk)

{

    return walk == RT_MUTEX_FULL_CHAINWALK;

}