166 struct hrtimer_clock_base *lock_hrtimer_base(const struct hrtimer *timer,  in lock_hrtimer_base()  argument
168 	__acquires(&timer->base->lock)  in lock_hrtimer_base()
173 		base = READ_ONCE(timer->base);  in lock_hrtimer_base()
176 			if (likely(base == timer->base))  in lock_hrtimer_base()
195 hrtimer_check_target(struct hrtimer *timer, struct hrtimer_clock_base *new_base)  in hrtimer_check_target()  argument
199 	expires = ktime_sub(hrtimer_get_expires(timer), new_base->offset);  in hrtimer_check_target()
227 switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_clock_base *base,  in switch_hrtimer_base()  argument
249 		if (unlikely(hrtimer_callback_running(timer)))  in switch_hrtimer_base()
253 		WRITE_ONCE(timer->base, &migration_base);  in switch_hrtimer_base()
258 		    hrtimer_check_target(timer, new_base)) {  in switch_hrtimer_base()
262 			WRITE_ONCE(timer->base, base);  in switch_hrtimer_base()
265 		WRITE_ONCE(timer->base, new_base);  in switch_hrtimer_base()
268 		    hrtimer_check_target(timer, new_base)) {  in switch_hrtimer_base()
284 lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)  in lock_hrtimer_base()  argument
285 	__acquires(&timer->base->cpu_base->lock)  in lock_hrtimer_base()
287 	struct hrtimer_clock_base *base = timer->base;  in lock_hrtimer_base()
361 	struct hrtimer *timer = addr;  in hrtimer_fixup_init()  local
365 		hrtimer_cancel(timer);  in hrtimer_fixup_init()
366 		debug_object_init(timer, &hrtimer_debug_descr);  in hrtimer_fixup_init()
395 	struct hrtimer *timer = addr;  in hrtimer_fixup_free()  local
399 		hrtimer_cancel(timer);  in hrtimer_fixup_free()
400 		debug_object_free(timer, &hrtimer_debug_descr);  in hrtimer_fixup_free()
415 static inline void debug_hrtimer_init(struct hrtimer *timer)  in debug_hrtimer_init()  argument
417 	debug_object_init(timer, &hrtimer_debug_descr);  in debug_hrtimer_init()
420 static inline void debug_hrtimer_activate(struct hrtimer *timer,  in debug_hrtimer_activate()  argument
423 	debug_object_activate(timer, &hrtimer_debug_descr);  in debug_hrtimer_activate()
426 static inline void debug_hrtimer_deactivate(struct hrtimer *timer)  in debug_hrtimer_deactivate()  argument
428 	debug_object_deactivate(timer, &hrtimer_debug_descr);  in debug_hrtimer_deactivate()
431 static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
434 void hrtimer_init_on_stack(struct hrtimer *timer, clockid_t clock_id,  in hrtimer_init_on_stack()  argument
437 	debug_object_init_on_stack(timer, &hrtimer_debug_descr);  in hrtimer_init_on_stack()
438 	__hrtimer_init(timer, clock_id, mode);  in hrtimer_init_on_stack()
448 	debug_object_init_on_stack(&sl->timer, &hrtimer_debug_descr);  in hrtimer_init_sleeper_on_stack()
453 void destroy_hrtimer_on_stack(struct hrtimer *timer)  in destroy_hrtimer_on_stack()  argument
455 	debug_object_free(timer, &hrtimer_debug_descr);  in destroy_hrtimer_on_stack()
461 static inline void debug_hrtimer_init(struct hrtimer *timer) { }  in debug_hrtimer_init()  argument
462 static inline void debug_hrtimer_activate(struct hrtimer *timer,  in debug_hrtimer_activate()  argument
464 static inline void debug_hrtimer_deactivate(struct hrtimer *timer) { }  in debug_hrtimer_deactivate()  argument
468 debug_init(struct hrtimer *timer, clockid_t clockid,  in debug_init()  argument
471 	debug_hrtimer_init(timer);  in debug_init()
472 	trace_hrtimer_init(timer, clockid, mode);  in debug_init()
475 static inline void debug_activate(struct hrtimer *timer,  in debug_activate()  argument
478 	debug_hrtimer_activate(timer, mode);  in debug_activate()
479 	trace_hrtimer_start(timer, mode);  in debug_activate()
482 static inline void debug_deactivate(struct hrtimer *timer)  in debug_deactivate()  argument
484 	debug_hrtimer_deactivate(timer);  in debug_deactivate()
485 	trace_hrtimer_cancel(timer);  in debug_deactivate()
515 		struct hrtimer *timer;  in __hrtimer_next_event_base()  local
518 		timer = container_of(next, struct hrtimer, node);  in __hrtimer_next_event_base()
519 		if (timer == exclude) {  in __hrtimer_next_event_base()
525 			timer = container_of(next, struct hrtimer, node);  in __hrtimer_next_event_base()
527 		expires = ktime_sub(hrtimer_get_expires(timer), base->offset);  in __hrtimer_next_event_base()
535 			if (timer->is_soft)  in __hrtimer_next_event_base()
536 				cpu_base->softirq_next_timer = timer;  in __hrtimer_next_event_base()
538 				cpu_base->next_timer = timer;  in __hrtimer_next_event_base()
806 static void hrtimer_reprogram(struct hrtimer *timer, bool reprogram)  in hrtimer_reprogram()  argument
809 	struct hrtimer_clock_base *base = timer->base;  in hrtimer_reprogram()
810 	ktime_t expires = ktime_sub(hrtimer_get_expires(timer), base->offset);  in hrtimer_reprogram()
812 	WARN_ON_ONCE(hrtimer_get_expires_tv64(timer) < 0);  in hrtimer_reprogram()
821 	if (timer->is_soft) {  in hrtimer_reprogram()
837 		timer_cpu_base->softirq_next_timer = timer;  in hrtimer_reprogram()
862 	cpu_base->next_timer = timer;  in hrtimer_reprogram()
864 	__hrtimer_reprogram(cpu_base, timer, expires);  in hrtimer_reprogram()
1013 void unlock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)  in unlock_hrtimer_base()  argument
1014 	__releases(&timer->base->cpu_base->lock)  in unlock_hrtimer_base()
1016 	raw_spin_unlock_irqrestore(&timer->base->cpu_base->lock, *flags);  in unlock_hrtimer_base()
1038 u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)  in hrtimer_forward()  argument
1043 	delta = ktime_sub(now, hrtimer_get_expires(timer));  in hrtimer_forward()
1048 	if (WARN_ON(timer->state & HRTIMER_STATE_ENQUEUED))  in hrtimer_forward()
1058 		hrtimer_add_expires_ns(timer, incr * orun);  in hrtimer_forward()
1059 		if (hrtimer_get_expires_tv64(timer) > now)  in hrtimer_forward()
1067 	hrtimer_add_expires(timer, interval);  in hrtimer_forward()
1081 static int enqueue_hrtimer(struct hrtimer *timer,  in enqueue_hrtimer()  argument
1085 	debug_activate(timer, mode);  in enqueue_hrtimer()
1091 	WRITE_ONCE(timer->state, HRTIMER_STATE_ENQUEUED);  in enqueue_hrtimer()
1093 	return timerqueue_add(&base->active, &timer->node);  in enqueue_hrtimer()
1106 static void __remove_hrtimer(struct hrtimer *timer,  in __remove_hrtimer()  argument
1111 	u8 state = timer->state;  in __remove_hrtimer()
1114 	WRITE_ONCE(timer->state, newstate);  in __remove_hrtimer()
1118 	if (!timerqueue_del(&base->active, &timer->node))  in __remove_hrtimer()
1129 	if (reprogram && timer == cpu_base->next_timer)  in __remove_hrtimer()
1137 remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base,  in remove_hrtimer()  argument
1140 	u8 state = timer->state;  in remove_hrtimer()
1153 		debug_deactivate(timer);  in remove_hrtimer()
1167 		__remove_hrtimer(timer, base, state, reprogram);  in remove_hrtimer()
1173 static inline ktime_t hrtimer_update_lowres(struct hrtimer *timer, ktime_t tim,  in hrtimer_update_lowres()  argument
1182 	timer->is_rel = mode & HRTIMER_MODE_REL;  in hrtimer_update_lowres()
1183 	if (timer->is_rel)  in hrtimer_update_lowres()
1214 static int __hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,  in __hrtimer_start_range_ns()  argument
1230 	force_local &= base->cpu_base->next_timer == timer;  in __hrtimer_start_range_ns()
1243 	remove_hrtimer(timer, base, true, force_local);  in __hrtimer_start_range_ns()
1248 	tim = hrtimer_update_lowres(timer, tim, mode);  in __hrtimer_start_range_ns()
1250 	hrtimer_set_expires_range_ns(timer, tim, delta_ns);  in __hrtimer_start_range_ns()
1254 		new_base = switch_hrtimer_base(timer, base,  in __hrtimer_start_range_ns()
1260 	first = enqueue_hrtimer(timer, new_base, mode);  in __hrtimer_start_range_ns()
1282 void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,  in hrtimer_start_range_ns()  argument
1288 	if (WARN_ON_ONCE(!timer->function))  in hrtimer_start_range_ns()
1296 		WARN_ON_ONCE(!(mode & HRTIMER_MODE_SOFT) ^ !timer->is_soft);  in hrtimer_start_range_ns()
1298 		WARN_ON_ONCE(!(mode & HRTIMER_MODE_HARD) ^ !timer->is_hard);  in hrtimer_start_range_ns()
1300 	base = lock_hrtimer_base(timer, &flags);  in hrtimer_start_range_ns()
1302 	if (__hrtimer_start_range_ns(timer, tim, delta_ns, mode, base))  in hrtimer_start_range_ns()
1303 		hrtimer_reprogram(timer, true);  in hrtimer_start_range_ns()
1305 	unlock_hrtimer_base(timer, &flags);  in hrtimer_start_range_ns()
1320 int hrtimer_try_to_cancel(struct hrtimer *timer)  in hrtimer_try_to_cancel()  argument
1332 	if (!hrtimer_active(timer))  in hrtimer_try_to_cancel()
1335 	base = lock_hrtimer_base(timer, &flags);  in hrtimer_try_to_cancel()
1337 	if (!hrtimer_callback_running(timer))  in hrtimer_try_to_cancel()
1338 		ret = remove_hrtimer(timer, base, false, false);  in hrtimer_try_to_cancel()
1340 	unlock_hrtimer_base(timer, &flags);  in hrtimer_try_to_cancel()
1399 void hrtimer_cancel_wait_running(const struct hrtimer *timer)  in hrtimer_cancel_wait_running()  argument
1402 	struct hrtimer_clock_base *base = READ_ONCE(timer->base);  in hrtimer_cancel_wait_running()
1408 	if (!timer->is_soft || is_migration_base(base)) {  in hrtimer_cancel_wait_running()
1444 int hrtimer_cancel(struct hrtimer *timer)  in hrtimer_cancel()  argument
1449 		ret = hrtimer_try_to_cancel(timer);  in hrtimer_cancel()
1452 			hrtimer_cancel_wait_running(timer);  in hrtimer_cancel()
1463 ktime_t __hrtimer_get_remaining(const struct hrtimer *timer, bool adjust)  in __hrtimer_get_remaining()  argument
1468 	lock_hrtimer_base(timer, &flags);  in __hrtimer_get_remaining()
1470 		rem = hrtimer_expires_remaining_adjusted(timer);  in __hrtimer_get_remaining()
1472 		rem = hrtimer_expires_remaining(timer);  in __hrtimer_get_remaining()
1473 	unlock_hrtimer_base(timer, &flags);  in __hrtimer_get_remaining()
1547 static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,  in __hrtimer_init()  argument
1563 	memset(timer, 0, sizeof(struct hrtimer));  in __hrtimer_init()
1577 	timer->is_soft = softtimer;  in __hrtimer_init()
1578 	timer->is_hard = !!(mode & HRTIMER_MODE_HARD);  in __hrtimer_init()
1579 	timer->base = &cpu_base->clock_base[base];  in __hrtimer_init()
1580 	timerqueue_init(&timer->node);  in __hrtimer_init()
1595 void hrtimer_init(struct hrtimer *timer, clockid_t clock_id,  in hrtimer_init()  argument
1598 	debug_init(timer, clock_id, mode);  in hrtimer_init()
1599 	__hrtimer_init(timer, clock_id, mode);  in hrtimer_init()
1610 bool hrtimer_active(const struct hrtimer *timer)  in hrtimer_active()  argument
1616 		base = READ_ONCE(timer->base);  in hrtimer_active()
1619 		if (timer->state != HRTIMER_STATE_INACTIVE ||  in hrtimer_active()
1620 		    base->running == timer)  in hrtimer_active()
1624 		 base != READ_ONCE(timer->base));  in hrtimer_active()
1650 			  struct hrtimer *timer, ktime_t *now,  in __run_hrtimer()  argument
1659 	debug_deactivate(timer);  in __run_hrtimer()
1660 	base->running = timer;  in __run_hrtimer()
1671 	__remove_hrtimer(timer, base, HRTIMER_STATE_INACTIVE, 0);  in __run_hrtimer()
1672 	fn = timer->function;  in __run_hrtimer()
1680 		timer->is_rel = false;  in __run_hrtimer()
1688 	trace_hrtimer_expire_entry(timer, now);  in __run_hrtimer()
1689 	expires_in_hardirq = lockdep_hrtimer_enter(timer);  in __run_hrtimer()
1691 	restart = fn(timer);  in __run_hrtimer()
1694 	trace_hrtimer_expire_exit(timer);  in __run_hrtimer()
1707 	    !(timer->state & HRTIMER_STATE_ENQUEUED))  in __run_hrtimer()
1708 		enqueue_hrtimer(timer, base, HRTIMER_MODE_ABS);  in __run_hrtimer()
1719 	WARN_ON_ONCE(base->running != timer);  in __run_hrtimer()
1736 			struct hrtimer *timer;  in __hrtimer_run_queues()  local
1738 			timer = container_of(node, struct hrtimer, node);  in __hrtimer_run_queues()
1752 			if (basenow < hrtimer_get_softexpires_tv64(timer))  in __hrtimer_run_queues()
1755 			__run_hrtimer(cpu_base, base, timer, &basenow, flags);  in __hrtimer_run_queues()
1919 static enum hrtimer_restart hrtimer_wakeup(struct hrtimer *timer)  in hrtimer_wakeup()  argument
1922 		container_of(timer, struct hrtimer_sleeper, timer);  in hrtimer_wakeup()
1950 	if (IS_ENABLED(CONFIG_PREEMPT_RT) && sl->timer.is_hard)  in hrtimer_sleeper_start_expires()
1953 	hrtimer_start_expires(&sl->timer, mode);  in hrtimer_sleeper_start_expires()
1984 	__hrtimer_init(&sl->timer, clock_id, mode);  in __hrtimer_init_sleeper()
1985 	sl->timer.function = hrtimer_wakeup;  in __hrtimer_init_sleeper()
1998 	debug_init(&sl->timer, clock_id, mode);  in hrtimer_init_sleeper()
2034 		hrtimer_cancel(&t->timer);  in do_nanosleep()
2046 		ktime_t rem = hrtimer_expires_remaining(&t->timer);  in do_nanosleep()
2065 	hrtimer_set_expires_tv64(&t.timer, restart->nanosleep.expires);  in hrtimer_nanosleep_restart()
2067 	destroy_hrtimer_on_stack(&t.timer);  in hrtimer_nanosleep_restart()
2079 	hrtimer_set_expires_range_ns(&t.timer, rqtp, current->timer_slack_ns);  in hrtimer_nanosleep()
2091 	restart->nanosleep.clockid = t.timer.base->clockid;  in hrtimer_nanosleep()
2092 	restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer);  in hrtimer_nanosleep()
2095 	destroy_hrtimer_on_stack(&t.timer);  in hrtimer_nanosleep()
2176 	struct hrtimer *timer;  in migrate_hrtimer_list()  local
2180 		timer = container_of(node, struct hrtimer, node);  in migrate_hrtimer_list()
2181 		BUG_ON(hrtimer_callback_running(timer));  in migrate_hrtimer_list()
2182 		debug_deactivate(timer);  in migrate_hrtimer_list()
2189 		__remove_hrtimer(timer, old_base, HRTIMER_STATE_ENQUEUED, 0);  in migrate_hrtimer_list()
2190 		timer->base = new_base;  in migrate_hrtimer_list()
2199 		enqueue_hrtimer(timer, new_base, HRTIMER_MODE_ABS);  in migrate_hrtimer_list()
2277 	hrtimer_set_expires_range_ns(&t.timer, *expires, delta);  in schedule_hrtimeout_range_clock()
2283 	hrtimer_cancel(&t.timer);  in schedule_hrtimeout_range_clock()
2284 	destroy_hrtimer_on_stack(&t.timer);  in schedule_hrtimeout_range_clock()