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Re: [Xen-devel] Xen security advisory CVE-2011-1898 - VT-d (PCI passthro

from [Ian Jackson] [Permanent Link][Original]
To: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen security advisory CVE-2011-1898 - VT-d (PCI passthrough) MSI
From: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Date: Tue, 24 May 2011 16:15:07 +0100
Cc: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, "Cihula, Joseph" <joseph.cihula@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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Ian Campbell writes ("Re: [Xen-devel] Xen security advisory CVE-2011-1898 - 
VT-d (PCI passthrough) MSI"):
> IOMMU: Fail if intremap is not available and iommu=required/force.
> 
> Rather than sprinkling panic()s throughout the setup code hoist the check up
> into common code.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

Keir, do you think we should apply this then ?

Ian.

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