165 struct hrtimer_clock_base *lock_hrtimer_base(const struct hrtimer *timer,  in lock_hrtimer_base()  argument
167 	__acquires(&timer->base->lock)  in lock_hrtimer_base()
172 		base = READ_ONCE(timer->base);  in lock_hrtimer_base()
175 			if (likely(base == timer->base))  in lock_hrtimer_base()
194 hrtimer_check_target(struct hrtimer *timer, struct hrtimer_clock_base *new_base)  in hrtimer_check_target()  argument
198 	expires = ktime_sub(hrtimer_get_expires(timer), new_base->offset);  in hrtimer_check_target()
226 switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_clock_base *base,  in switch_hrtimer_base()  argument
248 		if (unlikely(hrtimer_callback_running(timer)))  in switch_hrtimer_base()
252 		WRITE_ONCE(timer->base, &migration_base);  in switch_hrtimer_base()
257 		    hrtimer_check_target(timer, new_base)) {  in switch_hrtimer_base()
261 			WRITE_ONCE(timer->base, base);  in switch_hrtimer_base()
264 		WRITE_ONCE(timer->base, new_base);  in switch_hrtimer_base()
267 		    hrtimer_check_target(timer, new_base)) {  in switch_hrtimer_base()
283 lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)  in lock_hrtimer_base()  argument
284 	__acquires(&timer->base->cpu_base->lock)  in lock_hrtimer_base()
286 	struct hrtimer_clock_base *base = timer->base;  in lock_hrtimer_base()
360 	struct hrtimer *timer = addr;  in hrtimer_fixup_init()  local
364 		hrtimer_cancel(timer);  in hrtimer_fixup_init()
365 		debug_object_init(timer, &hrtimer_debug_descr);  in hrtimer_fixup_init()
394 	struct hrtimer *timer = addr;  in hrtimer_fixup_free()  local
398 		hrtimer_cancel(timer);  in hrtimer_fixup_free()
399 		debug_object_free(timer, &hrtimer_debug_descr);  in hrtimer_fixup_free()
414 static inline void debug_hrtimer_init(struct hrtimer *timer)  in debug_hrtimer_init()  argument
416 	debug_object_init(timer, &hrtimer_debug_descr);  in debug_hrtimer_init()
419 static inline void debug_hrtimer_activate(struct hrtimer *timer,  in debug_hrtimer_activate()  argument
422 	debug_object_activate(timer, &hrtimer_debug_descr);  in debug_hrtimer_activate()
425 static inline void debug_hrtimer_deactivate(struct hrtimer *timer)  in debug_hrtimer_deactivate()  argument
427 	debug_object_deactivate(timer, &hrtimer_debug_descr);  in debug_hrtimer_deactivate()
430 static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
433 void hrtimer_init_on_stack(struct hrtimer *timer, clockid_t clock_id,  in hrtimer_init_on_stack()  argument
436 	debug_object_init_on_stack(timer, &hrtimer_debug_descr);  in hrtimer_init_on_stack()
437 	__hrtimer_init(timer, clock_id, mode);  in hrtimer_init_on_stack()
447 	debug_object_init_on_stack(&sl->timer, &hrtimer_debug_descr);  in hrtimer_init_sleeper_on_stack()
452 void destroy_hrtimer_on_stack(struct hrtimer *timer)  in destroy_hrtimer_on_stack()  argument
454 	debug_object_free(timer, &hrtimer_debug_descr);  in destroy_hrtimer_on_stack()
460 static inline void debug_hrtimer_init(struct hrtimer *timer) { }  in debug_hrtimer_init()  argument
461 static inline void debug_hrtimer_activate(struct hrtimer *timer,  in debug_hrtimer_activate()  argument
463 static inline void debug_hrtimer_deactivate(struct hrtimer *timer) { }  in debug_hrtimer_deactivate()  argument
467 debug_init(struct hrtimer *timer, clockid_t clockid,  in debug_init()  argument
470 	debug_hrtimer_init(timer);  in debug_init()
471 	trace_hrtimer_init(timer, clockid, mode);  in debug_init()
474 static inline void debug_activate(struct hrtimer *timer,  in debug_activate()  argument
477 	debug_hrtimer_activate(timer, mode);  in debug_activate()
478 	trace_hrtimer_start(timer, mode);  in debug_activate()
481 static inline void debug_deactivate(struct hrtimer *timer)  in debug_deactivate()  argument
483 	debug_hrtimer_deactivate(timer);  in debug_deactivate()
484 	trace_hrtimer_cancel(timer);  in debug_deactivate()
514 		struct hrtimer *timer;  in __hrtimer_next_event_base()  local
517 		timer = container_of(next, struct hrtimer, node);  in __hrtimer_next_event_base()
518 		if (timer == exclude) {  in __hrtimer_next_event_base()
524 			timer = container_of(next, struct hrtimer, node);  in __hrtimer_next_event_base()
526 		expires = ktime_sub(hrtimer_get_expires(timer), base->offset);  in __hrtimer_next_event_base()
534 			if (timer->is_soft)  in __hrtimer_next_event_base()
535 				cpu_base->softirq_next_timer = timer;  in __hrtimer_next_event_base()
537 				cpu_base->next_timer = timer;  in __hrtimer_next_event_base()
810 static void hrtimer_reprogram(struct hrtimer *timer, bool reprogram)  in hrtimer_reprogram()  argument
813 	struct hrtimer_clock_base *base = timer->base;  in hrtimer_reprogram()
814 	ktime_t expires = ktime_sub(hrtimer_get_expires(timer), base->offset);  in hrtimer_reprogram()
816 	WARN_ON_ONCE(hrtimer_get_expires_tv64(timer) < 0);  in hrtimer_reprogram()
825 	if (timer->is_soft) {  in hrtimer_reprogram()
841 		timer_cpu_base->softirq_next_timer = timer;  in hrtimer_reprogram()
866 	cpu_base->next_timer = timer;  in hrtimer_reprogram()
868 	__hrtimer_reprogram(cpu_base, timer, expires);  in hrtimer_reprogram()
1017 void unlock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)  in unlock_hrtimer_base()  argument
1018 	__releases(&timer->base->cpu_base->lock)  in unlock_hrtimer_base()
1020 	raw_spin_unlock_irqrestore(&timer->base->cpu_base->lock, *flags);  in unlock_hrtimer_base()
1040 u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)  in hrtimer_forward()  argument
1045 	delta = ktime_sub(now, hrtimer_get_expires(timer));  in hrtimer_forward()
1050 	if (WARN_ON(timer->state & HRTIMER_STATE_ENQUEUED))  in hrtimer_forward()
1060 		hrtimer_add_expires_ns(timer, incr * orun);  in hrtimer_forward()
1061 		if (hrtimer_get_expires_tv64(timer) > now)  in hrtimer_forward()
1069 	hrtimer_add_expires(timer, interval);  in hrtimer_forward()
1083 static int enqueue_hrtimer(struct hrtimer *timer,  in enqueue_hrtimer()  argument
1087 	debug_activate(timer, mode);  in enqueue_hrtimer()
1093 	WRITE_ONCE(timer->state, HRTIMER_STATE_ENQUEUED);  in enqueue_hrtimer()
1095 	return timerqueue_add(&base->active, &timer->node);  in enqueue_hrtimer()
1108 static void __remove_hrtimer(struct hrtimer *timer,  in __remove_hrtimer()  argument
1113 	u8 state = timer->state;  in __remove_hrtimer()
1116 	WRITE_ONCE(timer->state, newstate);  in __remove_hrtimer()
1120 	if (!timerqueue_del(&base->active, &timer->node))  in __remove_hrtimer()
1131 	if (reprogram && timer == cpu_base->next_timer)  in __remove_hrtimer()
1139 remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base,  in remove_hrtimer()  argument
1142 	u8 state = timer->state;  in remove_hrtimer()
1155 		debug_deactivate(timer);  in remove_hrtimer()
1169 		__remove_hrtimer(timer, base, state, reprogram);  in remove_hrtimer()
1175 static inline ktime_t hrtimer_update_lowres(struct hrtimer *timer, ktime_t tim,  in hrtimer_update_lowres()  argument
1184 	timer->is_rel = mode & HRTIMER_MODE_REL;  in hrtimer_update_lowres()
1185 	if (timer->is_rel)  in hrtimer_update_lowres()
1216 static int __hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,  in __hrtimer_start_range_ns()  argument
1232 	force_local &= base->cpu_base->next_timer == timer;  in __hrtimer_start_range_ns()
1245 	remove_hrtimer(timer, base, true, force_local);  in __hrtimer_start_range_ns()
1250 	tim = hrtimer_update_lowres(timer, tim, mode);  in __hrtimer_start_range_ns()
1252 	hrtimer_set_expires_range_ns(timer, tim, delta_ns);  in __hrtimer_start_range_ns()
1256 		new_base = switch_hrtimer_base(timer, base,  in __hrtimer_start_range_ns()
1262 	first = enqueue_hrtimer(timer, new_base, mode);  in __hrtimer_start_range_ns()
1284 void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,  in hrtimer_start_range_ns()  argument
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()
1397 void hrtimer_cancel_wait_running(const struct hrtimer *timer)  in hrtimer_cancel_wait_running()  argument
1400 	struct hrtimer_clock_base *base = READ_ONCE(timer->base);  in hrtimer_cancel_wait_running()
1406 	if (!timer->is_soft || is_migration_base(base)) {  in hrtimer_cancel_wait_running()
1442 int hrtimer_cancel(struct hrtimer *timer)  in hrtimer_cancel()  argument
1447 		ret = hrtimer_try_to_cancel(timer);  in hrtimer_cancel()
1450 			hrtimer_cancel_wait_running(timer);  in hrtimer_cancel()
1461 ktime_t __hrtimer_get_remaining(const struct hrtimer *timer, bool adjust)  in __hrtimer_get_remaining()  argument
1466 	lock_hrtimer_base(timer, &flags);  in __hrtimer_get_remaining()
1468 		rem = hrtimer_expires_remaining_adjusted(timer);  in __hrtimer_get_remaining()
1470 		rem = hrtimer_expires_remaining(timer);  in __hrtimer_get_remaining()
1471 	unlock_hrtimer_base(timer, &flags);  in __hrtimer_get_remaining()
1545 static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,  in __hrtimer_init()  argument
1561 	memset(timer, 0, sizeof(struct hrtimer));  in __hrtimer_init()
1575 	timer->is_soft = softtimer;  in __hrtimer_init()
1576 	timer->is_hard = !!(mode & HRTIMER_MODE_HARD);  in __hrtimer_init()
1577 	timer->base = &cpu_base->clock_base[base];  in __hrtimer_init()
1578 	timerqueue_init(&timer->node);  in __hrtimer_init()
1593 void hrtimer_init(struct hrtimer *timer, clockid_t clock_id,  in hrtimer_init()  argument
1596 	debug_init(timer, clock_id, mode);  in hrtimer_init()
1597 	__hrtimer_init(timer, clock_id, mode);  in hrtimer_init()
1608 bool hrtimer_active(const struct hrtimer *timer)  in hrtimer_active()  argument
1614 		base = READ_ONCE(timer->base);  in hrtimer_active()
1617 		if (timer->state != HRTIMER_STATE_INACTIVE ||  in hrtimer_active()
1618 		    base->running == timer)  in hrtimer_active()
1622 		 base != READ_ONCE(timer->base));  in hrtimer_active()
1648 			  struct hrtimer *timer, ktime_t *now,  in __run_hrtimer()  argument
1657 	debug_deactivate(timer);  in __run_hrtimer()
1658 	base->running = timer;  in __run_hrtimer()
1669 	__remove_hrtimer(timer, base, HRTIMER_STATE_INACTIVE, 0);  in __run_hrtimer()
1670 	fn = timer->function;  in __run_hrtimer()
1678 		timer->is_rel = false;  in __run_hrtimer()
1686 	trace_hrtimer_expire_entry(timer, now);  in __run_hrtimer()
1687 	expires_in_hardirq = lockdep_hrtimer_enter(timer);  in __run_hrtimer()
1689 	restart = fn(timer);  in __run_hrtimer()
1692 	trace_hrtimer_expire_exit(timer);  in __run_hrtimer()
1705 	    !(timer->state & HRTIMER_STATE_ENQUEUED))  in __run_hrtimer()
1706 		enqueue_hrtimer(timer, base, HRTIMER_MODE_ABS);  in __run_hrtimer()
1717 	WARN_ON_ONCE(base->running != timer);  in __run_hrtimer()
1734 			struct hrtimer *timer;  in __hrtimer_run_queues()  local
1736 			timer = container_of(node, struct hrtimer, node);  in __hrtimer_run_queues()
1750 			if (basenow < hrtimer_get_softexpires_tv64(timer))  in __hrtimer_run_queues()
1753 			__run_hrtimer(cpu_base, base, timer, &basenow, flags);  in __hrtimer_run_queues()
1935 static enum hrtimer_restart hrtimer_wakeup(struct hrtimer *timer)  in hrtimer_wakeup()  argument
1938 		container_of(timer, struct hrtimer_sleeper, timer);  in hrtimer_wakeup()
1966 	if (IS_ENABLED(CONFIG_PREEMPT_RT) && sl->timer.is_hard)  in hrtimer_sleeper_start_expires()
1969 	hrtimer_start_expires(&sl->timer, mode);  in hrtimer_sleeper_start_expires()
2000 	__hrtimer_init(&sl->timer, clock_id, mode);  in __hrtimer_init_sleeper()
2001 	sl->timer.function = hrtimer_wakeup;  in __hrtimer_init_sleeper()
2014 	debug_init(&sl->timer, clock_id, mode);  in hrtimer_init_sleeper()
2050 		hrtimer_cancel(&t->timer);  in do_nanosleep()
2062 		ktime_t rem = hrtimer_expires_remaining(&t->timer);  in do_nanosleep()
2081 	hrtimer_set_expires_tv64(&t.timer, restart->nanosleep.expires);  in hrtimer_nanosleep_restart()
2083 	destroy_hrtimer_on_stack(&t.timer);  in hrtimer_nanosleep_restart()
2100 	hrtimer_set_expires_range_ns(&t.timer, rqtp, slack);  in hrtimer_nanosleep()
2112 	restart->nanosleep.clockid = t.timer.base->clockid;  in hrtimer_nanosleep()
2113 	restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer);  in hrtimer_nanosleep()
2116 	destroy_hrtimer_on_stack(&t.timer);  in hrtimer_nanosleep()
2197 	struct hrtimer *timer;  in migrate_hrtimer_list()  local
2201 		timer = container_of(node, struct hrtimer, node);  in migrate_hrtimer_list()
2202 		BUG_ON(hrtimer_callback_running(timer));  in migrate_hrtimer_list()
2203 		debug_deactivate(timer);  in migrate_hrtimer_list()
2210 		__remove_hrtimer(timer, old_base, HRTIMER_STATE_ENQUEUED, 0);  in migrate_hrtimer_list()
2211 		timer->base = new_base;  in migrate_hrtimer_list()
2220 		enqueue_hrtimer(timer, new_base, HRTIMER_MODE_ABS);  in migrate_hrtimer_list()
2307 	hrtimer_set_expires_range_ns(&t.timer, *expires, delta);  in schedule_hrtimeout_range_clock()
2313 	hrtimer_cancel(&t.timer);  in schedule_hrtimeout_range_clock()
2314 	destroy_hrtimer_on_stack(&t.timer);  in schedule_hrtimeout_range_clock()