[RFC 0/6] iommu: generic api migration and grouping

Roedel, Joerg Joerg.Roedel at amd.com
Mon Jun 6 11:35:57 EDT 2011

On Mon, Jun 06, 2011 at 11:15:30AM -0400, Ohad Ben-Cohen wrote:

> This is insufficient; users need somehow to tell what page sizes are
> supported by the underlying hardware (we can't assume host page-sizes,
> and we want to use bigger pages whenever possible, to relax the TLB
> pressure).
What does the IOMMU-API user need this info for? On the x86 IOMMUs these
details are handled transparently by the IOMMU driver.


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