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Re: [Xen-devel] vesafb

To: Jan Beulich <jbeulich@xxxxxxxxxx>
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Tue, 08 May 2007 11:38:53 +0100
Cc: ron minnich <rminnich@xxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Jayant Mangalampalli <Jayant_Mangalampalli@xxxxxxxxxxx>
Delivery-date: Tue, 08 May 2007 03:37:32 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AceRXRJlUQPl1v1QEduQdAAX8io7RQ==
Thread-topic: [Xen-devel] vesafb

On 8/5/07 10:56, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

>> 1. Doing it from dom0 would require interface changes we don't have yet
> 
> And in my opinion we never should (based on bad experience in NetWare with
> switching back to real mode).

That's kind of surprising. As long as the BIOS code and data areas haven't
been clobbered I would expect no problems. Are interrupts and NMIs a hassle?

 -- Keir

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