[libvirt] [PATCH] cpu_ppc64: Add support for host-model on POWER9
Andrea Bolognani
abologna at redhat.com
Thu Jun 8 16:40:57 UTC 2017
On Fri, 2017-06-09 at 01:06 +1000, David Gibson wrote:
> > power9 compatibility mode, which AFAICT is simply not
> > defined at all in QEMU.
>
> Umm.. what? It's right there in target/ppc/compat.c. Or are you
> looking at downstream - maybe it hasn't been backported yet.
[...]
> > One more issue I've noticed:
> >
> > $ /usr/libexec/qemu-kvm \
> > -nodefaults \
> > -M pseries,accel=kvm \
> > -cpu POWER9
> > qemu-kvm: Unable to find sPAPR CPU Core definition
> >
> > Since the recommended configuration for POWER8 guests is
> > to use
> >
> > <cpu mode='custom'>
> > <model>POWER8</model>
> > </cpu>
> >
> > I would expect the above command line to work so that
> > POWER9 guests can be configured in a similar manner. That
> > seems bug-worthy to me, should I go ahead and file it?
>
> Uh, yeah. Again, I'm pretty sure that's already working upstream.
Yeah, I've been looking at downstream. I'll try again with
upstream and file bugs as needed.
--
Andrea Bolognani / Red Hat / Virtualization
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