Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * RT-Mutexes: blocking mutual exclusion locks with PI support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * started by Ingo Molnar and Thomas Gleixner:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *  Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *  Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * This file contains macros used solely by rtmutex.c. Debug version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) extern void debug_rt_mutex_lock(struct rt_mutex *lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 				      struct task_struct *powner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) extern void debug_rt_mutex_deadlock(enum rtmutex_chainwalk chwalk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 				    struct rt_mutex_waiter *waiter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 				    struct rt_mutex *lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) # define debug_rt_mutex_reset_waiter(w)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	do { (w)->deadlock_lock = NULL; } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 						  enum rtmutex_chainwalk walk)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	return (waiter != NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	debug_rt_mutex_print_deadlock(w);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }