NR_IOBUS_DEVS 50 include/linux/kvm_host.h struct kvm_io_device *devs[NR_IOBUS_DEVS]; NR_IOBUS_DEVS 1585 virt/kvm/kvm_main.c BUG_ON(bus->dev_count > (NR_IOBUS_DEVS-1));