Re: [PATCH RFC 0/2] KVM: s390: avoid having to enable vm.alloc_pgste

[Heiko Carstens]

On Thu, Jun 01, 2017 at 01:27:28PM +0200, David Hildenbrand wrote:
> An alternative: Have some process that enables PGSTE for all of its
> future children. Fork+execv qemu. However, such a process in between
> will most likely confuse tooling like libvirt when it comes to process ids.

That would be something like sys_personality() vs setarch, e.g. adding a
new s390 specific personality flag and then do something like

setarch s390x --kvm qemu...

However I'm afraid that this is also not acceptable from a usability point
of view.