hrtimer_start_expires
hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
hrtimer_start_expires(timer, HRTIMER_MODE_ABS_HARD);
hrtimer_start_expires(timer, HRTIMER_MODE_ABS_PINNED);
hrtimer_start_expires(&vcpu->arch.xen.timer,
hrtimer_start_expires(&di->safety_timer, HRTIMER_MODE_REL);
hrtimer_start_expires(&di->maintenance_timer, HRTIMER_MODE_REL);
hrtimer_start_expires(&ap_poll_timer, HRTIMER_MODE_ABS);
hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
hrtimer_start_expires(&iowq->t, HRTIMER_MODE_ABS);
hrtimer_start_expires(timer, HRTIMER_MODE_ABS_PINNED_HARD);
hrtimer_start_expires(&cfs_b->period_timer, HRTIMER_MODE_ABS_PINNED);
hrtimer_start_expires(&rt_b->rt_period_timer,
hrtimer_start_expires(&ts->sched_timer, HRTIMER_MODE_ABS_PINNED_HARD);
hrtimer_start_expires(&op->timer, HRTIMER_MODE_ABS_SOFT);