Re: [PATCH v1 2/9] s390x: toplogy: adding drawers and books to smp parsing

[Cornelia Huck]

On Tue, Jul 20 2021, Pierre Morel <pmorel@linux.ibm.com> wrote:

> On 7/19/21 5:50 PM, Cornelia Huck wrote:
>> On Fri, Jul 16 2021, Daniel P. Berrangé <berrange@redhat.com> wrote:
>>> Is the book/drawer thing architecture specific, or is it machine
>>> type / CPU specific. ie do /all/ the s390x machine types / CPUS
>>> QEMU support the book/drawer concept, or only a subset.
>> 
>> Should not be by machine type, but might be by cpu model (e.g. older
>> hardware lacking the needed support for exposing this to the guest.) IBM
>> folks, please correct me if I'm wrong.
>
>
> Looks correct to me this is an information indicated by a facility 
> introduced with Z10 if I do not make an error.

Hm. Would that become a problem if we made availability of parameters
dependent upon a value in the machine (see the other thread I cc:ed you
on?)