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Re: [Xen-devel] [PATCH] x86/hvm: determine shared info format earlier

To: Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] x86/hvm: determine shared info format earlier
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Tue, 15 May 2007 07:59:40 +0100
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On 14/5/07 16:23, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> Latch guest shared info format when hypercall page is being set up rather
> than during an arbitrarily selected hypercall.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

I don't think this works since the PV drivers don't re-create the hypercall
page after save/restore (bad us!).

We could sample the execution mode in *both* places (new and old)?

 -- Keir



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