> >> For bonus points: What should happen to a VM that is live migrated > >> from one hypervisor to another, and the hypervisors have different > >> IBRS support? > > > > Doctor Doctor it hurts when I do this.... > > > > Migration tends to only work between HV's that are relatively > > homogeneous, that's nothing new... > > No Arjan, this is just wrong. Well, I suppose it's right in the present > tense with the IBRS mess on Skylake, but it's _not_ been true until last > year. I meant software wise. You're not going to live migrate from xen to kvm or backwards. or between very radically different versions of the kvm stack.
