At 11:21 -0700 on 19 Jun (1371640904), Matt Wilson wrote: > On Wed, Jun 19, 2013 at 11:42:06AM +0100, Alex Bligh wrote: > > > > --On 19 June 2013 10:13:17 +0000 Paul Durrant > > <paul.durr...@citrix.com> wrote: > > > > >>We obviously can't say to users "Are you running Windows and are you > > >>running PV drivers >= X.Y, if so set lever A to position B, otherwise if > > >>you are running some other OS or an earlier version of the Windows PV > > >>driver set it to position A". > > > > > >Why not? The device can be chosen on a per-VM basis. > > > > Not everyone knows what guest some random user will be running > > (consider cloud platforms). > > I agree. If this is really the only solution, we would need to have > both versions presented to the guest so that old drivers continue to > work without any intervention.
I suspect that if we expose both, both sets of drivers try to run the same PV connections, and hilarity ensues. Tim.
