> -----Original Message----- > From: [email protected] [mailto:iommu- > [email protected]] On Behalf Of Joerg Roedel > Sent: Wednesday, April 24, 2013 4:27 PM > To: Yoder Stuart-B08248 > Cc: [email protected] > Subject: Re: RFC: vfio / iommu driver for hardware with no iommu > > On Tue, Apr 23, 2013 at 04:13:00PM +0000, Yoder Stuart-B08248 wrote: > > We're aware of the obvious limitations-- no protection, DMA'able > > memory must be physically contiguous and will have no iova->phy > > translation. But there are use cases where all OSes involved are > > trusted and customers can > > live with those limitations. Virtualization is used > > here not to sandbox untrusted code, but to consolidate multiple OSes. > > One of the major points of VFIO is to provide a userspace interface for > hardware IOMMUs. So if you have a platform without an IOMMU why do you > care about VFIO at all? > Agreed, but vfio also provides a standardized interface for direct device assignment under KVM.
-Varun _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
