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[Xen-devel] Re: [PATCH] Fix shadow code's handling of p2m superpage chan

To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] Fix shadow code's handling of p2m superpage changes
From: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date: Wed, 13 Aug 2008 12:02:34 +0100
Delivery-date: Wed, 13 Aug 2008 04:03:16 -0700
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Less broken patch this time... :)

At 11:43 +0100 on 13 Aug (1218627784), Tim Deegan wrote:
> When a p2m superpage entry is shattered, it's important not to 
> unshadow any parts of the 2MB region that are still there afterwards. 
> Otherwise shattering a superpage that contains the guest's top-level
> pagetable will cause the guest to be killed.
> 
> Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
> 
> -- 
> Tim Deegan <Tim.Deegan@xxxxxxxxxx>
> Principal Software Engineer, Citrix Systems (R&D) Ltd.
> [Company #02300071, SL9 0DZ, UK.]

Attachment: p2m-shatter.patch
Description: Text document

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