Joerg Roedel 80187fd39d iommu/amd: Optimize map_sg and unmap_sg
Optimize these functions so that they need only one call
into the address alloctor. This also saves a couple of
io-tlb flushes in the unmap_sg path.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
2016-07-14 10:21:07 +02:00
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