On Wed, Feb 05, 2020 at 11:57:00AM -0800, Sean Christopherson wrote: > 3. Breaks on-demand paging when running in a VM, e.g. if the VMM chooses > to allocate a physical EPC page when it's actually accessed by the > VM. I don't expect this to be a problem any time soon, as all VMMs > will likely preallocate EPC pages until KVM (or any other hypervisor) > gains EPC oversusbscription support, which may or may not ever happen. > But, I'd prefer to simply not have the problem in the first place. So wouldn't it be better to revisit this when the VM changes are added. /Jarkko