On 08/04/20 12:21, Claudio Imbrenda wrote: > on s390 memory always starts at 0; you can't even boot a system missing > the first pages of physical memory, so this means this situation would > never happen in practice. > > of course, a malicious userspace program could create an (unbootable) VM > and trigger this bug, so the patch itself makes sense. > > Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> What about using KVM just for isolation and not just to run a full-blown OS (that is, you might even only have the guest run in problem state)? Would that be feasible on s390? Thanks, Paolo
