On 23/09/20 16:32, Jim Mattson wrote: > You don’t buy my argument that this should be per-VM, then? I’d bet that > we have very close to 0 customers who care about emulating the reserved > bits properly for 46-but wide VMs, but there may be someone out there > using shadow paging in a nested kvm. > I do buy it but I prefer not to have a released version of Linux where this is enabled by default. I procrastinated hoping to cobble something together but I didn't have time. Paolo