iommu/dma: Move domain lookup into __iommu_dma_{map,unmap}

Browse source

Most of the callers don't care, and the couple that do already have the
domain to hand for other reasons are in slow paths where the (trivial)
overhead of a repeated lookup will be utterly immaterial.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
[hch: dropped the hunk touching iommu_dma_get_msi_page to avoid a
 conflict with another series]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

...

This commit is contained in:

Robin Murphy 2019-05-20 09:29:31 +02:00 • committed by Joerg Roedel

parent 92aec09cc8

commit b61d271e59

1 changed files with 14 additions and 15 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

29

drivers/iommu/dma-iommu.c

View file