[virt-tools-list] small suggestion

Cole Robinson crobinso at redhat.com
Wed Feb 6 18:39:03 UTC 2019

On 2/6/19 10:57 AM, Pavel Hrdina wrote:
> 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.

So after the subthread my response is: patches welcome :) Though it
would be nice to address the libvirt taint flag issue first


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