Hi, > > (Migration compat is left as an exercise for the reader :-)) > > It's not just migration compatibility, it's also guest ABI: "the guest > can tell the difference".
Is that actually the case on x86? I don't think so. Note: arm is different, because the flash is listed in the device tree which is guest visible. > So, old machine types continue to get two flash devices, and new > machine types get one. In other words, we're stuck maintaining (a) > even if we decide to switch to (b). I think that'll be true nevertheless for live migration compatibility. cheers, Gerd
