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    SubjectRe: [PATCH v13 2/8] iommu/vt-d: Use a helper function to skip agaw for SL
    On Wed, May 13, 2020 at 04:01:43PM -0700, Jacob Pan wrote:
    > An Intel iommu domain uses 5-level page table by default. If the
    > iommu that the domain tries to attach supports less page levels,
    > the top level page tables should be skipped. Add a helper to do
    > this so that it could be used in other places.

    Please use up all 73 chars for the commit log.

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