On Mon, Jun 15, 2020 at 11:20:31AM +0200, Greg Kurz wrote: > On Sat, 13 Jun 2020 17:18:04 +1000 > David Gibson <da...@gibson.dropbear.id.au> wrote: > > > On Thu, Jun 11, 2020 at 03:40:33PM +0200, Greg Kurz wrote: > > > Nested KVM-HV only works on POWER9. > > > > > > Signed-off-by: Greg Kurz <gr...@kaod.org> > > > Reviewed-by: Laurent Vivier <lviv...@redhat.com> > > > > Hrm. I have mixed feelings about this. It does bring forward an > > error that we'd otherwise only discover when we try to load the kvm > > module in the guest. > > > > On the other hand, it's kind of a layering violation - really it's > > KVM's business to report what it can and can't do, rather than having > > qemu anticipate it. > > > > Agreed and it seems that we can probably get KVM to report that > already. I'll have closer look. > > > Allowing POWER8 compat for an L2 is something we hope to have in the > > fairly near future. > > Ok but I guess we don't want to start an L2 in compat POWER8 mode > with cap-nested-hv=on, do we ?
Sorry, "L2" was misleading, I really mean L<max>. Setting cap-nested-hv kind of implies there's a L<at least one more> which contradicts that. -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson
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