Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
e7eebaf6 IM |
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. Debug version. | |
11 | */ | |
12 | ||
e7eebaf6 IM |
13 | extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter); |
14 | extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter); | |
f5694788 | 15 | extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key); |
9a11b49a | 16 | extern void debug_rt_mutex_lock(struct rt_mutex *lock); |
e7eebaf6 IM |
17 | extern void debug_rt_mutex_unlock(struct rt_mutex *lock); |
18 | extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock, | |
9a11b49a | 19 | struct task_struct *powner); |
e7eebaf6 | 20 | extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock); |
8930ed80 TG |
21 | extern void debug_rt_mutex_deadlock(enum rtmutex_chainwalk chwalk, |
22 | struct rt_mutex_waiter *waiter, | |
e7eebaf6 IM |
23 | struct rt_mutex *lock); |
24 | extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter); | |
25 | # define debug_rt_mutex_reset_waiter(w) \ | |
26 | do { (w)->deadlock_lock = NULL; } while (0) | |
27 | ||
8930ed80 TG |
28 | static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter, |
29 | enum rtmutex_chainwalk walk) | |
e7eebaf6 IM |
30 | { |
31 | return (waiter != NULL); | |
32 | } | |
3d5c9340 TG |
33 | |
34 | static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w) | |
35 | { | |
36 | debug_rt_mutex_print_deadlock(w); | |
37 | } |