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Date: Tue, 19 Mar 2013 18:11:36 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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On 03/19/2013 06:07 PM, Matthew Garrett wrote:
> Yeah, I'd like the option of relaxing restrictions when drivers explicitly opt in based on iommu support.

When drivers opt in they can provide an interface.  The interesting case
becomes non-drivers.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.