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Re: [Xen-devel] [PATCH] ept: Fix bug in changeset 22526:7a5ee3800417

To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] ept: Fix bug in changeset 22526:7a5ee3800417
From: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date: Thu, 17 Mar 2011 16:30:57 +0000
Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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At 16:18 +0000 on 17 Mar (1300378713), Ian Jackson wrote:
> George Dunlap writes ("[Xen-devel] [PATCH] ept: Fix bug in changeset 
> 22526:7a5ee3800417"):
> > This fixes a bug in changeset 22526:7a5ee3800417, where the wrong
> > value is read when deciding whether to flush the VTd tables.  The
> > effect is minor: in situations where the p2m entry is changed but the
> > mfn is the same, the VTd tables will be unnecessarily flushed.
> Does this need applying to 4.1 before the release ?

I don't think so, but it should be backported afterwards. 


Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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