171 static inline bool __mutex_waiter_is_first(struct mutex *lock, struct mutex_waiter *waiter)  in __mutex_waiter_is_first()  argument
173 	return list_first_entry(&lock->wait_list, struct mutex_waiter, list) == waiter;  in __mutex_waiter_is_first()
181 __mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,  in __mutex_add_waiter()  argument
184 	debug_mutex_add_waiter(lock, waiter, current);  in __mutex_add_waiter()
186 	list_add_tail(&waiter->list, list);  in __mutex_add_waiter()
187 	if (__mutex_waiter_is_first(lock, waiter))  in __mutex_add_waiter()
340 __ww_mutex_die(struct mutex *lock, struct mutex_waiter *waiter,  in __ww_mutex_die()  argument
346 	if (waiter->ww_ctx->acquired > 0 &&  in __ww_mutex_die()
347 			__ww_ctx_stamp_after(waiter->ww_ctx, ww_ctx)) {  in __ww_mutex_die()
348 		debug_mutex_wake_waiter(lock, waiter);  in __ww_mutex_die()
349 		wake_up_process(waiter->task);  in __ww_mutex_die()
476 			    struct mutex_waiter *waiter)  in ww_mutex_spin_on_owner()  argument
503 	if (!waiter && (atomic_long_read(&lock->owner) & MUTEX_FLAG_WAITERS))  in ww_mutex_spin_on_owner()
510 	if (waiter && !__mutex_waiter_is_first(lock, waiter))  in ww_mutex_spin_on_owner()
524 			 struct ww_acquire_ctx *ww_ctx, struct mutex_waiter *waiter)  in mutex_spin_on_owner()  argument
547 		if (ww_ctx && !ww_mutex_spin_on_owner(lock, ww_ctx, waiter)) {  in mutex_spin_on_owner()
612 		      const bool use_ww_ctx, struct mutex_waiter *waiter)  in mutex_optimistic_spin()  argument
614 	if (!waiter) {  in mutex_optimistic_spin()
646 		if (!mutex_spin_on_owner(lock, owner, ww_ctx, waiter))  in mutex_optimistic_spin()
658 	if (!waiter)  in mutex_optimistic_spin()
665 	if (!waiter)  in mutex_optimistic_spin()
688 		      const bool use_ww_ctx, struct mutex_waiter *waiter)  in mutex_optimistic_spin()  argument
778 __ww_mutex_check_kill(struct mutex *lock, struct mutex_waiter *waiter,  in __ww_mutex_check_kill()  argument
802 	cur = waiter;  in __ww_mutex_check_kill()
825 __ww_mutex_add_waiter(struct mutex_waiter *waiter,  in __ww_mutex_add_waiter()  argument
834 		__mutex_add_waiter(lock, waiter, &lock->wait_list);  in __ww_mutex_add_waiter()
874 	__mutex_add_waiter(lock, waiter, pos);  in __ww_mutex_add_waiter()
903 	struct mutex_waiter waiter;  in __mutex_lock_common()  local
948 	debug_mutex_lock_common(lock, &waiter);  in __mutex_lock_common()
954 		__mutex_add_waiter(lock, &waiter, &lock->wait_list);  in __mutex_lock_common()
958 		waiter.ww_ctx = MUTEX_POISON_WW_CTX;  in __mutex_lock_common()
965 		ret = __ww_mutex_add_waiter(&waiter, lock, ww_ctx);  in __mutex_lock_common()
969 		waiter.ww_ctx = ww_ctx;  in __mutex_lock_common()
972 	waiter.task = current;  in __mutex_lock_common()
996 			ret = __ww_mutex_check_kill(lock, &waiter, ww_ctx);  in __mutex_lock_common()
1009 			first = __mutex_waiter_is_first(lock, &waiter);  in __mutex_lock_common()
1021 		    (first && mutex_optimistic_spin(lock, ww_ctx, use_ww_ctx, &waiter)))  in __mutex_lock_common()
1036 		    !__mutex_waiter_is_first(lock, &waiter))  in __mutex_lock_common()
1040 	mutex_remove_waiter(lock, &waiter, current);  in __mutex_lock_common()
1044 	debug_mutex_free_waiter(&waiter);  in __mutex_lock_common()
1059 	mutex_remove_waiter(lock, &waiter, current);  in __mutex_lock_common()
1062 	debug_mutex_free_waiter(&waiter);  in __mutex_lock_common()
1234 		struct mutex_waiter *waiter =  in __mutex_unlock_slowpath()  local
1238 		next = waiter->task;  in __mutex_unlock_slowpath()
1240 		debug_mutex_wake_waiter(lock, waiter);  in __mutex_unlock_slowpath()