From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH RFC] virtio-pci: new config layout: using memory BAR
Date: Thu, 06 Jun 2013 08:19:13 -0700
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To: Gleb Natapov <gleb@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>, Anthony Liguori <aliguori@us.ibm.com>, kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>, virtualization@lists.linux-foundation.org, Stefan Hajnoczi <stefanha@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, KONRAD Frederic <fred.konrad@greensocs.com>
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On 06/06/2013 08:10 AM, Gleb Natapov wrote:
> On Thu, Jun 06, 2013 at 05:06:32PM +0200, Gerd Hoffmann wrote:
>>
> Isn't this approach broken? How can SeaBIOS be sure it restores real
> mode registers to exactly same state they were before entering 32bit
> mode?
> 

It can't... so yes, it is broken.

	-hpa