Re: [RFC PATCH 1/3] iommu: Introduce iommu_group

2012-04-18 Thread Alex Williamson
On Wed, 2012-04-18 at 19:58 +1000, David Gibson wrote: > On Mon, Apr 02, 2012 at 03:14:40PM -0600, Alex Williamson wrote: > > IOMMUs often do not have visibility of individual devices in the > > system. Due to IOMMU design, bus topology, or device quirks, we > > can often only identify groups of d

Re: [RFC PATCH 1/3] iommu: Introduce iommu_group

2012-04-18 Thread David Gibson
On Mon, Apr 02, 2012 at 03:14:40PM -0600, Alex Williamson wrote: > IOMMUs often do not have visibility of individual devices in the > system. Due to IOMMU design, bus topology, or device quirks, we > can often only identify groups of devices. Examples include > Intel VT-d & AMD-Vi which often hav