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Re: [Xen-devel] privileged op emulation

from [Keir Fraser] [Permanent Link][Original]
To: "Altobelli, David" <david.altobelli@xxxxxx>
Subject: Re: [Xen-devel] privileged op emulation
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Fri, 2 Jun 2006 16:15:22 +0100
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On 2 Jun 2006, at 16:04, Altobelli, David wrote:


I believe XEN needs to validate
the op, then restore the users context, run the instruction, and iret to the user, without modifying any registers in between the instruction and 
the iret.
Please give a specific example which the current code emulates incorrectly. 

 -- Keir


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