On 30/11/2016 21:03, Jim Mattson wrote: > This series of patches introduces checkpoint and restore operations > for the VMX state of a VM, so that VMX-capable VMs can be migrated. > > Two new ioctls are introduced: KVM_GET_VMX_STATE and > KVM_SET_VMX_STATE. The VMX state that is checkpointed/restored > consists of the VMXON region address (if any), the current VMCS > address (if any), and the cached current VMCS contents (if any). One > piece of implementation-specific state that is also > checkpointed/restored is the nested_run_pending bit. > > On live migration, our userspace process does not have access to guest > memory when the VM is set up on the target host, so some operations > that require a GPA->HPA mapping are deferred until the next vcpu_run > using a new vcpu request. I merged patches 1-6 into kvm/queue. Rebasing took a bit of work, so please take a look. Paolo