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[Xen-devel] Re: HAP Failure with 64Bit Windows 2003

from [Tim Deegan] [Permanent Link][Original]
To: "Huang2, Wei" <Wei.Huang2@xxxxxxx>
Subject: [Xen-devel] Re: HAP Failure with 64Bit Windows 2003
From: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
Date: Fri, 13 Jul 2007 17:51:22 +0100
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At 11:45 -0500 on 13 Jul (1184327144), Huang2, Wei wrote:
> I found that your small patch (changeset 15291) caused failure with
> Windows 2003 64Bit and Vista 64Bit under nested paging. It turned out
> that intercepting CR0 read should not be disabled.

Why not?  Is the guest's CR0 not synchronised with cpu_shadow_cr0?
Or is there some other reason?

Cheers,

Tim

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, XenSource UK Limited
Registered office c/o EC2Y 5EB, UK; company number 05334508

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