On Tue, 2015-11-10 at 10:54 -0800, Andy Lutomirski wrote: > > Does that work on powerpc on existing kernels? > > Anyway, here's another crazy idea: make the quirk assume that the > IOMMU is bypasses if and only if the weak barriers bit is set on > systems that are missing the new DT binding. "New DT bindings" doesn't mean much ... how do we change DT bindings on existing machines with a FW in flash ? What about partition <-> partition virtio such as what we could do on PAPR systems. That would have the weak barrier bit. Ben. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization