200 static inline bool __mutex_waiter_is_first(struct mutex *lock, struct mutex_waiter *waiter)  in __mutex_waiter_is_first()  argument
202 	return list_first_entry(&lock->wait_list, struct mutex_waiter, list) == waiter;  in __mutex_waiter_is_first()
210 __mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,  in __mutex_add_waiter()  argument
213 	debug_mutex_add_waiter(lock, waiter, current);  in __mutex_add_waiter()
215 	list_add_tail(&waiter->list, list);  in __mutex_add_waiter()
216 	if (__mutex_waiter_is_first(lock, waiter))  in __mutex_add_waiter()
221 __mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter)  in __mutex_remove_waiter()  argument
223 	list_del(&waiter->list);  in __mutex_remove_waiter()
227 	debug_mutex_remove_waiter(lock, waiter, current);  in __mutex_remove_waiter()
379 __ww_mutex_die(struct mutex *lock, struct mutex_waiter *waiter,  in __ww_mutex_die()  argument
385 	if (waiter->ww_ctx->acquired > 0 &&  in __ww_mutex_die()
386 			__ww_ctx_stamp_after(waiter->ww_ctx, ww_ctx)) {  in __ww_mutex_die()
387 		debug_mutex_wake_waiter(lock, waiter);  in __ww_mutex_die()
388 		wake_up_process(waiter->task);  in __ww_mutex_die()
515 			    struct mutex_waiter *waiter)  in ww_mutex_spin_on_owner()  argument
542 	if (!waiter && (atomic_long_read(&lock->owner) & MUTEX_FLAG_WAITERS))  in ww_mutex_spin_on_owner()
549 	if (waiter && !__mutex_waiter_is_first(lock, waiter))  in ww_mutex_spin_on_owner()
563 			 struct ww_acquire_ctx *ww_ctx, struct mutex_waiter *waiter)  in mutex_spin_on_owner()  argument
586 		if (ww_ctx && !ww_mutex_spin_on_owner(lock, ww_ctx, waiter)) {  in mutex_spin_on_owner()
651 		      struct mutex_waiter *waiter)  in mutex_optimistic_spin()  argument
653 	if (!waiter) {  in mutex_optimistic_spin()
685 		if (!mutex_spin_on_owner(lock, owner, ww_ctx, waiter))  in mutex_optimistic_spin()
697 	if (!waiter)  in mutex_optimistic_spin()
704 	if (!waiter)  in mutex_optimistic_spin()
727 		      struct mutex_waiter *waiter)  in mutex_optimistic_spin()  argument
817 __ww_mutex_check_kill(struct mutex *lock, struct mutex_waiter *waiter,  in __ww_mutex_check_kill()  argument
841 	cur = waiter;  in __ww_mutex_check_kill()
864 __ww_mutex_add_waiter(struct mutex_waiter *waiter,  in __ww_mutex_add_waiter()  argument
873 		__mutex_add_waiter(lock, waiter, &lock->wait_list);  in __ww_mutex_add_waiter()
913 	__mutex_add_waiter(lock, waiter, pos);  in __ww_mutex_add_waiter()
942 	struct mutex_waiter waiter;  in __mutex_lock_common()  local
993 	debug_mutex_lock_common(lock, &waiter);  in __mutex_lock_common()
999 		__mutex_add_waiter(lock, &waiter, &lock->wait_list);  in __mutex_lock_common()
1003 		waiter.ww_ctx = MUTEX_POISON_WW_CTX;  in __mutex_lock_common()
1010 		ret = __ww_mutex_add_waiter(&waiter, lock, ww_ctx);  in __mutex_lock_common()
1014 		waiter.ww_ctx = ww_ctx;  in __mutex_lock_common()
1017 	waiter.task = current;  in __mutex_lock_common()
1044 			ret = __ww_mutex_check_kill(lock, &waiter, ww_ctx);  in __mutex_lock_common()
1052 		first = __mutex_waiter_is_first(lock, &waiter);  in __mutex_lock_common()
1063 		    (first && mutex_optimistic_spin(lock, ww_ctx, &waiter)))  in __mutex_lock_common()
1079 		    !__mutex_waiter_is_first(lock, &waiter))  in __mutex_lock_common()
1083 	__mutex_remove_waiter(lock, &waiter);  in __mutex_lock_common()
1085 	debug_mutex_free_waiter(&waiter);  in __mutex_lock_common()
1101 	__mutex_remove_waiter(lock, &waiter);  in __mutex_lock_common()
1104 	debug_mutex_free_waiter(&waiter);  in __mutex_lock_common()
1276 		struct mutex_waiter *waiter =  in __mutex_unlock_slowpath()  local
1280 		next = waiter->task;  in __mutex_unlock_slowpath()
1282 		debug_mutex_wake_waiter(lock, waiter);  in __mutex_unlock_slowpath()