On Wed, Dec 16, 2020 at 06:36:01PM +0800, Yong Wu wrote: > In the end of __iommu_map, It alway call iotlb_sync_map. > This patch moves iotlb_sync_map out from __iommu_map since it is > unnecessary to call this for each sg segment especially iotlb_sync_map > is flush tlb all currently. > > Signed-off-by: Yong Wu <[email protected]> > Reviewed-by: Robin Murphy <[email protected]>
What about adding a little helper that does the NULL check and method call instead of duplicating it all over?
