Xen virtio support

configname: CONFIG_XEN_VIRTIO

Linux Kernel Configuration
└─>Device Drivers
└─>Xen driver support
└─>Xen virtio support
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Enable virtio support for running as Xen guest. Depending on the
guest type this will require special support on the backend side
(qemu or kernel, depending on the virtio device types used).

If in doubt, say n.