> From: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> > Sent: Thursday, February 9, 2023 2:19 AM > > - iommu_iotlb_gather_add_page(domain, gather, iova, size); > + /* > + * We do not use page-selective IOTLB invalidation in flush queue, > + * There is no need to track page and sync iotlb. Domain-selective or "in flush queue, so there is ..." > + * PASID-selective validation are used in the flush queue. the last sentence can be removed. same meaning as the first one. > + */ > + if (!iommu_iotlb_gather_queued(gather)) > + iommu_iotlb_gather_add_page(domain, gather, iova, size); > Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
