Il 30/07/2014 17:12, Michael S. Tsirkin ha scritto: >> > >> > Dataplane must not be a change to the guest ABI. If you implement this >> > feature you have to implement it for both dataplane and non-dataplne. >> > >> > Paolo > Actually, I think different backends at runtime should be allowed to > change guest visible ABI. For example if you give qemu a read only > backend this is guest visible right?
Dataplane is not meant to be a different backend, it's just moving stuff out to a separate thread. It's only due to QEMU limitation that it doesn't share the vring code (and these patches include a lot of steps backwards where dataplane becomes != non-dataplane). Paolo
