Re: [Xen-devel] [LINUX] dma: Use swiotlb mask for coherent mappings too

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Keir Fraser <keir@xxxxxxxxxxxxx> 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

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