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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sat, 27 Feb 2010 12:59:31 +0100

> Having IOMMU (even if it is only a software one, i.e. this would
> mean swiotlb for x86-32/highmem) always in place would simplify
> things greatly..

I agree, things would be a lot simpler.