On Tue, Sep 13, 2011 at 09:52:49AM +0300, Gleb Natapov wrote:
> On Tue, Sep 13, 2011 at 02:57:20PM +0900, Isaku Yamahata wrote:
> > On Sun, Sep 11, 2011 at 12:05:17PM +0300, Michael S. Tsirkin wrote:
> > > On Sat, Sep 10, 2011 at 02:43:11AM +0900, Isaku Yamahata wrote:
> > > > pci/pcie hot plug needs clean up for multifunction hotplug in long term.
> > > > Only single function device case works. Multifunction case is broken 
> > > > somwehat.
> > > > Especially the current acpi based hotplug should be replaced by
> > > > the standardized hot plug controller in long term.
> > > 
> > > We'll need to keep supporting windows XP, which IIUC only
> > > supports hotplug through ACPI. So it looks like we'll
> > > need both.
> > 
> > Yes, we'll need both then.
> > It would be possible to implement acpi-based hotplug with
> > standardized hotplug controller. Not with qemu-specific controller.
> > 
> Where is this "standardized hotplug controller" documented?

In the pci bridge spec.

> > It would require a bit amount of work to write ACPI code in DSDT that
> > handles standardized hotplug controller.
> > So I'm not sure it's worth while only for windows XP support.
> > -- 
> > yamahata
> 
> --
>                       Gleb.
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