On Thu, 2013-06-13 at 18:33 +0100, Stefano Stabellini wrote:
> On Thu, 13 Jun 2013, Paul Durrant wrote:
> > The xen-platform device should be initialized by the Xen toolstack by
> > passing the appropriate -device argument on the command line.
> >
> > Signed-off-by: Paul Durrant <paul.durr...@citrix.com>
>
> This patch is problematic because we can't know for sure the version of
> upstream QEMU that is going to be used with Xen.
> If we apply this patch and QEMU 1.5 is going to be used with Xen 4.2,
> guests won't be able to use PV drivers.
Is the right answer a lever to disable, rather than enable, it?
A workaround for the situation you envisage is to use the
device_model_args config option, not ideal though.
>
>
>
> > hw/i386/pc_piix.c | 3 ---
> > 1 file changed, 3 deletions(-)
> >
> > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> > index d618570..e25012d 100644
> > --- a/hw/i386/pc_piix.c
> > +++ b/hw/i386/pc_piix.c
> > @@ -174,9 +174,6 @@ static void pc_init1(MemoryRegion *system_memory,
> > pc_register_ferr_irq(gsi[13]);
> >
> > pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
> > - if (xen_enabled()) {
> > - pci_create_simple(pci_bus, -1, "xen-platform");
> > - }
> >
> > /* init basic PC hardware */
> > pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
>
>
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