KVM_NR_INTERRUPTS
__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
max_bits = KVM_NR_INTERRUPTS;
if (irq->irq >= KVM_NR_INTERRUPTS)
__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
for (i = 0; i < (KVM_NR_INTERRUPTS + 63) / 64; i++) {