kernel/time/tick-common.c

185 			      struct clock_event_device *newdev, int cpu,
236 	td->evtdev = newdev;
242 	if (!cpumask_equal(newdev->cpumask, cpumask))
243 		irq_set_affinity(newdev->irq, cpumask);
252 	if (tick_device_uses_broadcast(newdev, cpu))
256 		tick_setup_periodic(newdev, 0);
258 		tick_setup_oneshot(newdev, handler, next_event);
261 void tick_install_replacement(struct clock_event_device *newdev)
266 	clockevents_exchange_device(td->evtdev, newdev);
267 	tick_setup_device(td, newdev, cpu, cpumask_of(cpu));
268 	if (newdev->features & CLOCK_EVT_FEAT_ONESHOT)
273 			      struct clock_event_device *newdev, int cpu)
275 	if (!cpumask_test_cpu(cpu, newdev->cpumask))
277 	if (cpumask_equal(newdev->cpumask, cpumask_of(cpu)))
280 	if (newdev->irq >= 0 && !irq_can_set_affinity(newdev->irq))
289 				 struct clock_event_device *newdev)
292 	if (!(newdev->features & CLOCK_EVT_FEAT_ONESHOT)) {
304 		newdev->rating > curdev->rating ||
305 	       !cpumask_equal(curdev->cpumask, newdev->cpumask);
313 			    struct clock_event_device *newdev)
315 	if (!tick_check_percpu(curdev, newdev, smp_processor_id()))
318 	return tick_check_preferred(curdev, newdev);
325 void tick_check_new_device(struct clock_event_device *newdev)
335 	if (!tick_check_replacement(curdev, newdev))
338 	if (!try_module_get(newdev->owner))
350 	clockevents_exchange_device(curdev, newdev);
351 	tick_setup_device(td, newdev, cpu, cpumask_of(cpu));
352 	if (newdev->features & CLOCK_EVT_FEAT_ONESHOT)
360 	tick_install_broadcast_device(newdev, cpu);