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Date: Fri, 27 Oct 2017 19:12:31 +0200
From: Jiri Denemark <jdenemar@redhat.com>
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Subject: Re: [Qemu-devel] [libvirt] [PATCH/QEMU] s390x/kvm: use
 cpu_model_available for guarded storage on compat machines
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To: Halil Pasic <pasic@linux.vnet.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>, jjherne@linux.vnet.ibm.com, Marc Hartmayer <mhartmay@linux.vnet.ibm.com>, Cornelia Huck <cohuck@redhat.com>, libvir-list@redhat.com, qemu-devel@nongnu.org, Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>

On Fri, Oct 27, 2017 at 17:18:44 +0200, Halil Pasic wrote:
> On 10/27/2017 04:06 PM, Christian Borntraeger wrote:
...
> > I talked to several people and it seems that on x86 the host model will also enable new features
> > that are not known by older QEMUs and its considered works as designed. (see also Jiris mail)
> 
> Yes, I've seen that. It would be nice though if this design was easier to
> find in written. Unfortunately I can read minds only to a very limited extent,
> and the written stuff I've read did not give me a full understanding of the
> design -- although the entity to blame for this could be my limited intellect.

I think it's more likely the documentation is just not perfect. I'll
look at it and try to make it better. I know about some parts which need
to be clarified thanks to this discussion.

Jirka