Re: [Xen-devel] [PATCH] hw/piix4acpi: Make writes to ACPI_DBG_IO_ADDR actually work.

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 13 Nov 2013, Konrad Rzeszutek Wilk wrote:
> On Wed, Nov 13, 2013 at 06:03:44PM +0000, Stefano Stabellini wrote:
> > On Tue, 12 Nov 2013, Konrad Rzeszutek Wilk wrote:
> > > On Tue, Nov 12, 2013 at 03:42:18PM +0000, Ian Jackson wrote:
> > > > Konrad Rzeszutek Wilk writes ("[PATCH] hw/piix4acpi: Make writes to 
> > > > ACPI_DBG_IO_ADDR actually work."):
> > > > > The ACPI AML code has little snippets where it uses two
> > > > > memory locations to stash debug information when doing PCI
> > > > > hotplug, such as:
> > > > 
> > > > Thanks.
> > > > 
> > > > Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > > > Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > > 
> > > Yeey!
> > > > 
> > > > to qemu-xen-traditional master.
> > > 
> > > It also applies to the qemu-xen but I forgot to CC Stefano. Doing it
> > > here.
> > 
> > Unfortunately the code in upstream qemu is very different in this area,
> > and it looks like ACPI_DBG_IO_ADDR is actually unused.
> 
> Correct. Not for upstream qemu but for qemu-xen. You are the maintainer
> of that tree too right?

Right, the situation is the same in qemu-xen as in upstream QEMU.

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