1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * RT-Mutexes: blocking mutual exclusion locks with PI support
4  *
5  * started by Ingo Molnar and Thomas Gleixner:
6  *
7  *  Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
8  *  Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
9  *
10  * This file contains macros used solely by rtmutex.c.
11  * Non-debug version.
12  */
13 
14 #define rt_mutex_deadlock_check(l)			(0)
15 #define debug_rt_mutex_init_waiter(w)			do { } while (0)
16 #define debug_rt_mutex_free_waiter(w)			do { } while (0)
17 #define debug_rt_mutex_lock(l)				do { } while (0)
18 #define debug_rt_mutex_proxy_lock(l,p)			do { } while (0)
19 #define debug_rt_mutex_proxy_unlock(l)			do { } while (0)
20 #define debug_rt_mutex_unlock(l)			do { } while (0)
21 #define debug_rt_mutex_init(m, n, k)			do { } while (0)
22 #define debug_rt_mutex_deadlock(d, a ,l)		do { } while (0)
23 #define debug_rt_mutex_print_deadlock(w)		do { } while (0)
24 #define debug_rt_mutex_reset_waiter(w)			do { } while (0)
25 
rt_mutex_print_deadlock(struct rt_mutex_waiter * w)26 static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
27 {
28 	WARN(1, "rtmutex deadlock detected\n");
29 }
30 
debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter * w,enum rtmutex_chainwalk walk)31 static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *w,
32 						  enum rtmutex_chainwalk walk)
33 {
34 	return walk == RT_MUTEX_FULL_CHAINWALK;
35 }
36