Messages in this thread | | | Date | Wed, 23 Dec 2020 08:51:53 +0000 | From | Christoph Hellwig <> | Subject | Re: [PATCH v3 1/7] iommu: Move iotlb_sync_map out from __iommu_map |
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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 <yong.wu@mediatek.com> > Reviewed-by: Robin Murphy <robin.murphy@arm.com>
What about adding a little helper that does the NULL check and method call instead of duplicating it all over?
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