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. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html