On Thu, 25 Jun 2020 12:04:26 +0200 Marc Hartmayer <mhart...@linux.ibm.com> wrote:
> This RFC is about enabling virtio-fs on s390x. For that we need > + some shim code (first patch), and we need > + libvhost-user to deal with virtio endiannes as mandated by the spec. > > The second part is trickier, because unlike QEMU we are not certain > about the guest's native endianness, which is needed to handle the > legacy-interface appropriately. In fact, this is the reason why just > RFC. > > One of the open questions is whether to build separate versions, one > for guest little endian and one for guest big endian, or do we want > something like a command line option? (Digression on the libvirt > modeling) > > A third option would be to refuse legacy altogether. The third option looks the most tempting to me. It is a new device, so I don't think there's much of a case to be made for pre-virtio-1 support?