iommu/amd: Optimize dma_ops_free_addresses

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Don't flush the iommu tlb when we free something behind the
current next_bit pointer. Update the next_bit pointer
instead and let the flush happen on the next wraparound in
the allocation path.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Joerg Roedel 2015-12-22 12:15:35 +01:00

parent ab7032bb9c

commit 4eeca8c5e7

1 changed files with 3 additions and 2 deletions

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drivers/iommu/amd_iommu.c

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