static long kvm_dev_ioctl_check_extension_generic(long arg)
{
	switch (arg) {
	case KVM_CAP_USER_MEMORY:
	case KVM_CAP_DESTROY_MEMORY_REGION_WORKS:
	case KVM_CAP_JOIN_MEMORY_REGIONS_WORKS:
#ifdef CONFIG_KVM_APIC_ARCHITECTURE
	case KVM_CAP_SET_BOOT_CPU_ID:
#endif
	case KVM_CAP_INTERNAL_ERROR_DATA:
		return 1;
#ifdef CONFIG_HAVE_KVM_IRQCHIP
	case KVM_CAP_IRQ_ROUTING:
		return KVM_MAX_IRQ_ROUTES;
#endif
	default:
		break;
	}
	return kvm_dev_ioctl_check_extension(arg);
}
Unknown