On Sun, May 01, 2022 at 07:24:31PM +0800, Lu Baolu wrote: > The SNP bit is only valid for second-level PTEs. Setting this bit in the > first-level PTEs has no functional impact because the Intel IOMMU always > ignores the same bit in first-level PTEs. Anyway, let's check the page > table type before setting SNP bit in PTEs to make the code more readable.
Shouldn't this be tested before setting force_snooping and not during every map? Jason _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
