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

Roedel, Joerg
2011-06-06T15:35:43Z

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.

Joerg

--
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632