On Wed, Feb 06, 2019 at 04:57:17PM +0100, 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. NB, BIOS settings can affect migration safety too. In particular the HT-enabled setting affects the number of performance counters exposed to the guest. > 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. I think we should allow it in virt-manager. If we want protection we should apply any check at time of live migration. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :| _______________________________________________ virt-tools-list mailing list virt-tools-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/virt-tools-list
