Re: [Qemu-devel] [PATCH v3] s390: return unavailable features via query-cpu-definitions

[Christian Borntraeger]

On 07/03/2017 01:48 PM, Viktor Mihajlovski wrote:
> The response for query-cpu-definitions didn't include the
> unavailable-features field, which is used by libvirt to figure
> out whether a certain cpu model is usable on the host.
> 
> The unavailable features are now computed by obtaining the host CPU
> model and comparing it against the known CPU models. The comparison
> takes into account the generation, the GA level and the feature
> bitmaps. In the case of a CPU generation/GA level mismatch
> a feature called "type" is reported to be missing.
> 
> As a result, the output of virsh domcapabilities would change
> from something like
>  ...
>      <mode name='custom' supported='yes'>
>       <model usable='unknown'>z10EC-base</model>
>       <model usable='unknown'>z9EC-base</model>
>       <model usable='unknown'>z196.2-base</model>
>       <model usable='unknown'>z900-base</model>
>       <model usable='unknown'>z990</model>
>  ...
> to
>  ...
>      <mode name='custom' supported='yes'>
>       <model usable='yes'>z10EC-base</model>
>       <model usable='yes'>z9EC-base</model>
>       <model usable='no'>z196.2-base</model>
>       <model usable='yes'>z900-base</model>
>       <model usable='yes'>z990</model>
>  ...
> 
> Signed-off-by: Viktor Mihajlovski <address@hidden>

Thanks applied.