On Wed, 2018-01-17 at 15:39 +0100, Cédric Le Goater wrote: > Migration is a problem. We will need both backend QEMU objects to be > available anyhow if we want to migrate. So we are back to the current > solution creating both QEMU objects but we can try to defer some of the > KVM inits and create the KVM device on demand at CAS time.
Do we have a way to migrate a piece of info from the machine *first* that indicate what type of XICS/XIVE to instanciate ? > The next problem is the ICP object that currently needs the KVM device > fd to connect the vcpus ... So, we will need to change that also. > That is probably the biggest problem today. We need a way to disconnect > the vpcu from the KVM device and see how we can defer the connection. > I need to make sure this is possible, I can check that without XIVE Ben.
