[virt-tools-list] small suggestion

Pavel Hrdina phrdina at redhat.com
Wed Feb 6 15:57:17 UTC 2019

On Wed, Feb 06, 2019 at 10:20:38AM -0500, Cole Robinson wrote:
> On 2/5/19 6:19 PM, Hetz Ben Hamo wrote:
> > Is it possible to add in the virt-manager the "host-passthrough" to the
> > CPU models please?
> > 
> You can type 'host-passthrough' into the field and it will work. The reason
> we don't advertise it is because it's considered to have some mild
> supportability issues with libvirt. For the vast majority of use cases
> though it's completely fine

Maybe we can reconsider this decision, the only thing that would not
work is live migration to destination with different CPU and we can
have a warning/info about it in the UI.

Possibly we could allow to set 'host-passthrough' as the default guest
CPU in virt-manager config.

Most workstation/desktop users of virt-manager probably doesn't care
about live migration and it would copy the host CPU as closely as
possible.  Since we allow to manually type in 'host-passthrough' I
personally don't see any reason why it cannot be selectable.

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