On Mon, Nov 10, 2014 at 07:26:41PM +0100, Paolo Bonzini wrote: > > > On 10/11/2014 19:17, Michael S. Tsirkin wrote: > > > No, I mean can you do it also for pc-2.1 and earlier? Or should it be > > > only for the last machine type? > > > > I don't see why it should, it can't break migration. > > > > It changes the contents of the SRAT. There is a possibility that it > triggers bugs in previously working guests. > > Paolo
Absolutely but that's true for any bugfix. We don't do compatiblity without a good reason. Or do you mean that you consider this too high a risk for 2.2? -- MST
