Re: [PATCH v13 2/8] iommu/vt-d: Use a helper function to skip agaw for SL

[Christoph Hellwig]

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.