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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Tue, 10 Dec 2013 16:53:04 +0100
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Subject: Re: [Qemu-devel] [PATCH rebased for-1.8] i386: pc: align gpa<->hpa
 on 1GB boundary (v6)
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To: Laszlo Ersek <lersek@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, qemu-devel@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>

On Di, 2013-12-10 at 16:47 +0100, Laszlo Ersek wrote:
> On 12/10/13 15:53, Gerd Hoffmann wrote:
> >   Hi,
> > 
> >> If we could make a small guset visible change, it would be simpler to
> >> always make the PCI hole 1GB in size; it is currently 256MB for i440FX
> >> and 1.25GB for q35.
> > 
> > Easy for i440fx.
> 
> I think it's going to break OVMF again.

Can't see a reason why it should.

> Also, I don't understand the reference to "it is currently 256MB for
> i440FX"... My understanding was that the PCI hole didn't shrink below
> 512MB in size for i440fx -- sorry if I missed something.

512MB is correct (0xe0000000+).

cheers,
  Gerd