IOAPIC_ID_MASK
if ((apic_id & IOAPIC_ID_MASK) !=
(info->io_apic_id & IOAPIC_ID_MASK)) {
apic_id16 = apic_id & IOAPIC_ID_MASK;
if ((info->io_apic_id & IOAPIC_ID_MASK) == apic_id16)