iommu/amd: Optimize map_sg and unmap_sg

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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>

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Joerg Roedel 2016-07-06 17:20:54 +02:00

parent f37f7f33d5

commit 80187fd39d

1 changed files with 85 additions and 26 deletions

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drivers/iommu/amd_iommu.c

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