On Wed, Dec 01, 2010 at 08:14:22PM +0100, Juan Quintela wrote: > Gerd Hoffmann <kra...@redhat.com> wrote: > > On 12/01/10 17:47, Marcelo Tosatti wrote: > >> Use a subsection to migrate remote wakeup feature only when used by the > >> guest. > > > > Yea, right, this must be saved. But certainly not by the UHCI > > adapter, it belongs into the usb devices. Some of them don't save > > state at all today, which makes it a bit tricky to do this in a way > > that migration to older versions keeps working at least as long as > > remote wakeup isn't used ... > > > > Juan, any idea? > > Second thought. > > Only to add sections for all devices that don't have one. But the > problem is that we have optional subsections, not optional subsections > (it is not a way to not send a section because no value there). > > Later, Juan.
Which breaks migration for older versions. Which lowers the applicability of s/r. Yes, remote_wakeup does not belong to UHCI, but i dont see another solution. Or break migration upstream and use the hack for vendors.