Re: [Xen-devel] Ask about status about 64 bit pci hotplug support on qemu-xen-traditional

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Fri, 10 Jan 2014, Zhenzhong Duan wrote:
> On 2014-1-9 22:38, Ian Campbell wrote:
> > On Thu, 2014-01-09 at 12:57 +0000, Stefano Stabellini wrote:
> > > On Thu, 9 Jan 2014, Ian Campbell wrote:
> > > > On Thu, 2014-01-09 at 16:01 +0800, Zhenzhong Duan wrote:
> > > > > Hi Maintainer
> > > > > 
> > > > > I added 64bit pci hotplug support to hvm guest recently.
> > > > > Then I found XudongHao had ever sent a similar patch, but it wasn't
> > > > > merged in qemu-xen-traditional.
> > > > Stefano is not the maintainer of this tree, Ian Jackson is. On the other
> > > > hand the patch you link to is against qemu-xen, which Stefano does
> > > > maintain, so I'm a bit confused.
> > > That is not the case: the patch is against qemu-xen-traditional
> > > (hw/pass-through.c doesn't exist on QEMU upstream based trees).
> So anyone knows if it could be accepted?
> I think it could be used to fix an oracle internal bug.
> We found when we hotplug many pci vf to a hvm, some regions may need to be
> mapped above 4G.
> That patch add the support.

Ian Jackson, could you please weight in on this discussion?

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