IOAPIC_IMT_UNUSED
if (ioapic_irqmaps[cpuid][i].im_type != IOAPIC_IMT_UNUSED)
IOAPIC_IMT_UNUSED)
map->im_type = IOAPIC_IMT_UNUSED;
if (ioapic_irqmaps[cpu][irq].im_type != IOAPIC_IMT_UNUSED)
KKASSERT(map->im_type == IOAPIC_IMT_UNUSED);
if (map->im_type == IOAPIC_IMT_UNUSED) {