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

[Hu Tao]

On Thu, Nov 21, 2013 at 10:26:36AM +0200, Michael S. Tsirkin 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?

Yes. but cpu hotplug support is not added for q35, so the bug doesn't
affect anyone, yet.