After further consideration, other virtio drivers need a minimum limit to the vring size too. Maybe this can be more general, for example a new virtio_driver callback that is called (if implemented) during virtio_dev_probe, before drv->probe. What do you think? Thanks, Alvaro _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization