Re: [PATCH v2 4/5] iommu/vt-d: Use user privilege for RID2PASID translation

On 3/20/21 10:54 AM, Lu Baolu wrote: When first-level page tables are used for IOVA translation, we use user privilege by setting U/S bit in the page table entry. This is to make it consistent with the second level translation, where the U/S enforcement is not available. Clear the SRE

[PATCH v2 4/5] iommu/vt-d: Use user privilege for RID2PASID translation

When first-level page tables are used for IOVA translation, we use user privilege by setting U/S bit in the page table entry. This is to make it consistent with the second level translation, where the U/S enforcement is not available. Clear the SRE (Supervisor Request Enable) field in the pasid