On Fri, 13 Aug 2010, Anthony Liguori wrote: > On 08/12/2010 09:10 AM, stefano.stabell...@eu.citrix.com wrote: > > From: Anthony PERARD<anthony.per...@citrix.com> > > > > Xen currently uses a different BIOS (hvmloader + rombios) therefore the > > Qemu acpi_piix4 implementation wouldn't work correctly with Xen. > > We plan on fixing this properly but at the moment we are just adding a > > new Xen specific acpi_piix4 implementation. > > This patch is optional; without it the VM boots but it cannot shutdown > > properly or go to S3. > > > > What's the long term plan? Will Xen adopt SeaBIOS or will you adapt > your BIOS to cope with our ACPI implementation? >
I think it shouldn't be too difficult to adapt our current BIOS, but we'll need few xen specific hooks in acpi_piix4. The price that we'll have to pay doing so is loosing live-migration compatibility with older xen installations.
