Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE

[Igor Mammedov]

On Thu, 21 Nov 2013 10:26:36 +0200
"Michael S. Tsirkin" <address@hidden> wrote:

> On Thu, Nov 21, 2013 at 04:12:22PM +0800, Hu Tao wrote:
> > On Thu, Nov 21, 2013 at 09:14:18AM +0200, Michael S. Tsirkin wrote:
> > > On Thu, Nov 21, 2013 at 03:38:37AM +0100, Igor Mammedov wrote:
> > > > it fixes IRQ storm since guest isn't able to lower SCI IRQ
> > > > after it has been handled when it clears GPE event.
> > > > 
> > > > Signed-off-by: Igor Mammedov <address@hidden>
> > > 
> > > The storm is only on memory hotplug right?
> > 
> > IIRC, it happens on cpu hotplug, too.
> 
> So this is a bugfix then? We should include this in 1.7?

It's bug fix but, since GPE event's werent' used by by Q35 before
it doesn't affect 1.7.