Messages in this thread | | | From | "Tian, Kevin" <> | Subject | RE: [PATCH v2] iommu/vt-d: Avoid superfluous IOTLB tracking in lazy mode | Date | Thu, 9 Feb 2023 02:09:47 +0000 |
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> From: Jacob Pan <jacob.jun.pan@linux.intel.com> > 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@intel.com>
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