On 17/06/2015 16:50, Michael S. Tsirkin wrote: > > > I just tried, set prog_if to different values, sure it failed. > > > > How so? It's just a byte in config space. But even then, fixing > > migration is just a side effect of keeping config space consistent for a > > given machine type (i.e. not changing hardware type under the guest's feet). > > David's patches are also guest visible, are they not? > We are losing state guest can indirectly observe, right?
One case only happens during migration, the other does not. Paolo
