161 struct hrtimer_clock_base *lock_hrtimer_base(const struct hrtimer *timer,  in lock_hrtimer_base()  argument
167 		base = READ_ONCE(timer->base);  in lock_hrtimer_base()
170 			if (likely(base == timer->base))  in lock_hrtimer_base()
189 hrtimer_check_target(struct hrtimer *timer, struct hrtimer_clock_base *new_base)  in hrtimer_check_target()  argument
193 	expires = ktime_sub(hrtimer_get_expires(timer), new_base->offset);  in hrtimer_check_target()
221 switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_clock_base *base,  in switch_hrtimer_base()  argument
243 		if (unlikely(hrtimer_callback_running(timer)))  in switch_hrtimer_base()
247 		WRITE_ONCE(timer->base, &migration_base);  in switch_hrtimer_base()
252 		    hrtimer_check_target(timer, new_base)) {  in switch_hrtimer_base()
256 			WRITE_ONCE(timer->base, base);  in switch_hrtimer_base()
259 		WRITE_ONCE(timer->base, new_base);  in switch_hrtimer_base()
262 		    hrtimer_check_target(timer, new_base)) {  in switch_hrtimer_base()
278 lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)  in lock_hrtimer_base()  argument
280 	struct hrtimer_clock_base *base = timer->base;  in lock_hrtimer_base()
354 	struct hrtimer *timer = addr;  in hrtimer_fixup_init()  local
358 		hrtimer_cancel(timer);  in hrtimer_fixup_init()
359 		debug_object_init(timer, &hrtimer_debug_descr);  in hrtimer_fixup_init()
388 	struct hrtimer *timer = addr;  in hrtimer_fixup_free()  local
392 		hrtimer_cancel(timer);  in hrtimer_fixup_free()
393 		debug_object_free(timer, &hrtimer_debug_descr);  in hrtimer_fixup_free()
408 static inline void debug_hrtimer_init(struct hrtimer *timer)  in debug_hrtimer_init()  argument
410 	debug_object_init(timer, &hrtimer_debug_descr);  in debug_hrtimer_init()
413 static inline void debug_hrtimer_activate(struct hrtimer *timer,  in debug_hrtimer_activate()  argument
416 	debug_object_activate(timer, &hrtimer_debug_descr);  in debug_hrtimer_activate()
419 static inline void debug_hrtimer_deactivate(struct hrtimer *timer)  in debug_hrtimer_deactivate()  argument
421 	debug_object_deactivate(timer, &hrtimer_debug_descr);  in debug_hrtimer_deactivate()
424 static inline void debug_hrtimer_free(struct hrtimer *timer)  in debug_hrtimer_free()  argument
426 	debug_object_free(timer, &hrtimer_debug_descr);  in debug_hrtimer_free()
429 static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
432 void hrtimer_init_on_stack(struct hrtimer *timer, clockid_t clock_id,  in hrtimer_init_on_stack()  argument
435 	debug_object_init_on_stack(timer, &hrtimer_debug_descr);  in hrtimer_init_on_stack()
436 	__hrtimer_init(timer, clock_id, mode);  in hrtimer_init_on_stack()
446 	debug_object_init_on_stack(&sl->timer, &hrtimer_debug_descr);  in hrtimer_init_sleeper_on_stack()
451 void destroy_hrtimer_on_stack(struct hrtimer *timer)  in destroy_hrtimer_on_stack()  argument
453 	debug_object_free(timer, &hrtimer_debug_descr);  in destroy_hrtimer_on_stack()
459 static inline void debug_hrtimer_init(struct hrtimer *timer) { }  in debug_hrtimer_init()  argument
460 static inline void debug_hrtimer_activate(struct hrtimer *timer,  in debug_hrtimer_activate()  argument
462 static inline void debug_hrtimer_deactivate(struct hrtimer *timer) { }  in debug_hrtimer_deactivate()  argument
466 debug_init(struct hrtimer *timer, clockid_t clockid,  in debug_init()  argument
469 	debug_hrtimer_init(timer);  in debug_init()
470 	trace_hrtimer_init(timer, clockid, mode);  in debug_init()
473 static inline void debug_activate(struct hrtimer *timer,  in debug_activate()  argument
476 	debug_hrtimer_activate(timer, mode);  in debug_activate()
477 	trace_hrtimer_start(timer, mode);  in debug_activate()
480 static inline void debug_deactivate(struct hrtimer *timer)  in debug_deactivate()  argument
482 	debug_hrtimer_deactivate(timer);  in debug_deactivate()
483 	trace_hrtimer_cancel(timer);  in debug_deactivate()
513 		struct hrtimer *timer;  in __hrtimer_next_event_base()  local
516 		timer = container_of(next, struct hrtimer, node);  in __hrtimer_next_event_base()
517 		if (timer == exclude) {  in __hrtimer_next_event_base()
523 			timer = container_of(next, struct hrtimer, node);  in __hrtimer_next_event_base()
525 		expires = ktime_sub(hrtimer_get_expires(timer), base->offset);  in __hrtimer_next_event_base()
533 			if (timer->is_soft)  in __hrtimer_next_event_base()
534 				cpu_base->softirq_next_timer = timer;  in __hrtimer_next_event_base()
536 				cpu_base->next_timer = timer;  in __hrtimer_next_event_base()
775 static void hrtimer_reprogram(struct hrtimer *timer, bool reprogram)  in hrtimer_reprogram()  argument
778 	struct hrtimer_clock_base *base = timer->base;  in hrtimer_reprogram()
779 	ktime_t expires = ktime_sub(hrtimer_get_expires(timer), base->offset);  in hrtimer_reprogram()
781 	WARN_ON_ONCE(hrtimer_get_expires_tv64(timer) < 0);  in hrtimer_reprogram()
790 	if (timer->is_soft) {  in hrtimer_reprogram()
806 		timer_cpu_base->softirq_next_timer = timer;  in hrtimer_reprogram()
835 	cpu_base->next_timer = timer;  in hrtimer_reprogram()
896 void unlock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)  in unlock_hrtimer_base()  argument
898 	raw_spin_unlock_irqrestore(&timer->base->cpu_base->lock, *flags);  in unlock_hrtimer_base()
918 u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)  in hrtimer_forward()  argument
923 	delta = ktime_sub(now, hrtimer_get_expires(timer));  in hrtimer_forward()
928 	if (WARN_ON(timer->state & HRTIMER_STATE_ENQUEUED))  in hrtimer_forward()
938 		hrtimer_add_expires_ns(timer, incr * orun);  in hrtimer_forward()
939 		if (hrtimer_get_expires_tv64(timer) > now)  in hrtimer_forward()
947 	hrtimer_add_expires(timer, interval);  in hrtimer_forward()
961 static int enqueue_hrtimer(struct hrtimer *timer,  in enqueue_hrtimer()  argument
965 	debug_activate(timer, mode);  in enqueue_hrtimer()
970 	WRITE_ONCE(timer->state, HRTIMER_STATE_ENQUEUED);  in enqueue_hrtimer()
972 	return timerqueue_add(&base->active, &timer->node);  in enqueue_hrtimer()
985 static void __remove_hrtimer(struct hrtimer *timer,  in __remove_hrtimer()  argument
990 	u8 state = timer->state;  in __remove_hrtimer()
993 	WRITE_ONCE(timer->state, newstate);  in __remove_hrtimer()
997 	if (!timerqueue_del(&base->active, &timer->node))  in __remove_hrtimer()
1008 	if (reprogram && timer == cpu_base->next_timer)  in __remove_hrtimer()
1016 remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base, bool restart)  in remove_hrtimer()  argument
1018 	u8 state = timer->state;  in remove_hrtimer()
1031 		debug_deactivate(timer);  in remove_hrtimer()
1037 		__remove_hrtimer(timer, base, state, reprogram);  in remove_hrtimer()
1043 static inline ktime_t hrtimer_update_lowres(struct hrtimer *timer, ktime_t tim,  in hrtimer_update_lowres()  argument
1052 	timer->is_rel = mode & HRTIMER_MODE_REL;  in hrtimer_update_lowres()
1053 	if (timer->is_rel)  in hrtimer_update_lowres()
1084 static int __hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,  in __hrtimer_start_range_ns()  argument
1091 	remove_hrtimer(timer, base, true);  in __hrtimer_start_range_ns()
1096 	tim = hrtimer_update_lowres(timer, tim, mode);  in __hrtimer_start_range_ns()
1098 	hrtimer_set_expires_range_ns(timer, tim, delta_ns);  in __hrtimer_start_range_ns()
1101 	new_base = switch_hrtimer_base(timer, base, mode & HRTIMER_MODE_PINNED);  in __hrtimer_start_range_ns()
1103 	return enqueue_hrtimer(timer, new_base, mode);  in __hrtimer_start_range_ns()
1115 void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,  in hrtimer_start_range_ns()  argument
1127 		WARN_ON_ONCE(!(mode & HRTIMER_MODE_SOFT) ^ !timer->is_soft);  in hrtimer_start_range_ns()
1129 		WARN_ON_ONCE(!(mode & HRTIMER_MODE_HARD) ^ !timer->is_hard);  in hrtimer_start_range_ns()
1131 	base = lock_hrtimer_base(timer, &flags);  in hrtimer_start_range_ns()
1133 	if (__hrtimer_start_range_ns(timer, tim, delta_ns, mode, base))  in hrtimer_start_range_ns()
1134 		hrtimer_reprogram(timer, true);  in hrtimer_start_range_ns()
1136 	unlock_hrtimer_base(timer, &flags);  in hrtimer_start_range_ns()
1151 int hrtimer_try_to_cancel(struct hrtimer *timer)  in hrtimer_try_to_cancel()  argument
1163 	if (!hrtimer_active(timer))  in hrtimer_try_to_cancel()
1166 	base = lock_hrtimer_base(timer, &flags);  in hrtimer_try_to_cancel()
1168 	if (!hrtimer_callback_running(timer))  in hrtimer_try_to_cancel()
1169 		ret = remove_hrtimer(timer, base, false);  in hrtimer_try_to_cancel()
1171 	unlock_hrtimer_base(timer, &flags);  in hrtimer_try_to_cancel()
1228 void hrtimer_cancel_wait_running(const struct hrtimer *timer)  in hrtimer_cancel_wait_running()  argument
1231 	struct hrtimer_clock_base *base = READ_ONCE(timer->base);  in hrtimer_cancel_wait_running()
1237 	if (!timer->is_soft || is_migration_base(base)) {  in hrtimer_cancel_wait_running()
1273 int hrtimer_cancel(struct hrtimer *timer)  in hrtimer_cancel()  argument
1278 		ret = hrtimer_try_to_cancel(timer);  in hrtimer_cancel()
1281 			hrtimer_cancel_wait_running(timer);  in hrtimer_cancel()
1292 ktime_t __hrtimer_get_remaining(const struct hrtimer *timer, bool adjust)  in __hrtimer_get_remaining()  argument
1297 	lock_hrtimer_base(timer, &flags);  in __hrtimer_get_remaining()
1299 		rem = hrtimer_expires_remaining_adjusted(timer);  in __hrtimer_get_remaining()
1301 		rem = hrtimer_expires_remaining(timer);  in __hrtimer_get_remaining()
1302 	unlock_hrtimer_base(timer, &flags);  in __hrtimer_get_remaining()
1376 static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,  in __hrtimer_init()  argument
1392 	memset(timer, 0, sizeof(struct hrtimer));  in __hrtimer_init()
1406 	timer->is_soft = softtimer;  in __hrtimer_init()
1407 	timer->is_hard = !softtimer;  in __hrtimer_init()
1408 	timer->base = &cpu_base->clock_base[base];  in __hrtimer_init()
1409 	timerqueue_init(&timer->node);  in __hrtimer_init()
1424 void hrtimer_init(struct hrtimer *timer, clockid_t clock_id,  in hrtimer_init()  argument
1427 	debug_init(timer, clock_id, mode);  in hrtimer_init()
1428 	__hrtimer_init(timer, clock_id, mode);  in hrtimer_init()
1439 bool hrtimer_active(const struct hrtimer *timer)  in hrtimer_active()  argument
1445 		base = READ_ONCE(timer->base);  in hrtimer_active()
1448 		if (timer->state != HRTIMER_STATE_INACTIVE ||  in hrtimer_active()
1449 		    base->running == timer)  in hrtimer_active()
1453 		 base != READ_ONCE(timer->base));  in hrtimer_active()
1479 			  struct hrtimer *timer, ktime_t *now,  in __run_hrtimer()  argument
1487 	debug_deactivate(timer);  in __run_hrtimer()
1488 	base->running = timer;  in __run_hrtimer()
1499 	__remove_hrtimer(timer, base, HRTIMER_STATE_INACTIVE, 0);  in __run_hrtimer()
1500 	fn = timer->function;  in __run_hrtimer()
1508 		timer->is_rel = false;  in __run_hrtimer()
1516 	trace_hrtimer_expire_entry(timer, now);  in __run_hrtimer()
1517 	restart = fn(timer);  in __run_hrtimer()
1518 	trace_hrtimer_expire_exit(timer);  in __run_hrtimer()
1531 	    !(timer->state & HRTIMER_STATE_ENQUEUED))  in __run_hrtimer()
1532 		enqueue_hrtimer(timer, base, HRTIMER_MODE_ABS);  in __run_hrtimer()
1543 	WARN_ON_ONCE(base->running != timer);  in __run_hrtimer()
1560 			struct hrtimer *timer;  in __hrtimer_run_queues()  local
1562 			timer = container_of(node, struct hrtimer, node);  in __hrtimer_run_queues()
1576 			if (basenow < hrtimer_get_softexpires_tv64(timer))  in __hrtimer_run_queues()
1579 			__run_hrtimer(cpu_base, base, timer, &basenow, flags);  in __hrtimer_run_queues()
1761 static enum hrtimer_restart hrtimer_wakeup(struct hrtimer *timer)  in hrtimer_wakeup()  argument
1764 		container_of(timer, struct hrtimer_sleeper, timer);  in hrtimer_wakeup()
1792 	if (IS_ENABLED(CONFIG_PREEMPT_RT) && sl->timer.is_hard)  in hrtimer_sleeper_start_expires()
1795 	hrtimer_start_expires(&sl->timer, mode);  in hrtimer_sleeper_start_expires()
1826 	__hrtimer_init(&sl->timer, clock_id, mode);  in __hrtimer_init_sleeper()
1827 	sl->timer.function = hrtimer_wakeup;  in __hrtimer_init_sleeper()
1840 	debug_init(&sl->timer, clock_id, mode);  in hrtimer_init_sleeper()
1876 		hrtimer_cancel(&t->timer);  in do_nanosleep()
1888 		ktime_t rem = hrtimer_expires_remaining(&t->timer);  in do_nanosleep()
1907 	hrtimer_set_expires_tv64(&t.timer, restart->nanosleep.expires);  in hrtimer_nanosleep_restart()
1909 	destroy_hrtimer_on_stack(&t.timer);  in hrtimer_nanosleep_restart()
1926 	hrtimer_set_expires_range_ns(&t.timer, timespec64_to_ktime(*rqtp), slack);  in hrtimer_nanosleep()
1939 	restart->nanosleep.clockid = t.timer.base->clockid;  in hrtimer_nanosleep()
1940 	restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer);  in hrtimer_nanosleep()
1942 	destroy_hrtimer_on_stack(&t.timer);  in hrtimer_nanosleep()
2015 	struct hrtimer *timer;  in migrate_hrtimer_list()  local
2019 		timer = container_of(node, struct hrtimer, node);  in migrate_hrtimer_list()
2020 		BUG_ON(hrtimer_callback_running(timer));  in migrate_hrtimer_list()
2021 		debug_deactivate(timer);  in migrate_hrtimer_list()
2028 		__remove_hrtimer(timer, old_base, HRTIMER_STATE_ENQUEUED, 0);  in migrate_hrtimer_list()
2029 		timer->base = new_base;  in migrate_hrtimer_list()
2038 		enqueue_hrtimer(timer, new_base, HRTIMER_MODE_ABS);  in migrate_hrtimer_list()
2126 	hrtimer_set_expires_range_ns(&t.timer, *expires, delta);  in schedule_hrtimeout_range_clock()
2132 	hrtimer_cancel(&t.timer);  in schedule_hrtimeout_range_clock()
2133 	destroy_hrtimer_on_stack(&t.timer);  in schedule_hrtimeout_range_clock()