From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <jbeulich@novell.com>
Subject: Re: [LINUX] dma: Use swiotlb mask for coherent
	mappings too
Date: Wed, 20 Dec 2006 12:38:00 +0000
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	<C1AED51E.6A2B%keir@xensource.com>
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To: Keir Fraser <keir@xensource.com>
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>>> Keir Fraser <keir@xensource.com> 20.12.06 12:55 >>>
>We could fall back to swiotlb_alloc/free_coherent?

Hmm, that would mean extra tracking, as dma_free_coherent must have a way
to tell whether to call xen_destroy_contiguous_region directly or invoke
swiotlb_free_coherent (and I wouldn't want to make io_tlb_{start,end} global).

Jan