static void evtchn_2l_bind_to_cpu(struct irq_info *info, unsigned cpu)
{
	clear_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, info->cpu)));
	set_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, cpu)));
}
static void evtchn_2l_bind_to_cpu(struct irq_info *info, unsigned cpu)
{
	clear_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, info->cpu)));
	set_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, cpu)));
}