[Xen-devel] Re: [Qemu-devel] [PATCH 15/15] xen: Add a Xen specific ACPI Implementation to target-xen

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 12 Aug 2010, Blue Swirl wrote:
> On Thu, Aug 12, 2010 at 2:10 PM,  <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> > From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> >
> > 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.
> 
> I'd suppose the proper fix is to modify acpi_piix4 instead of copy&paste.
> 

Yes, but we would need few xen specific hooks in acpi_piix4 to make the S
state transitions work correctly; if you are OK with it we'll proceed
in that direction.

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