On Mon, 2016-02-01 at 07:39 -0800, Andy Lutomirski wrote: > > >> Could we have an arch_vring_eschew_dma_api(dev) function which the > >> affected architectures could provide (as a prelude to fixing it so that > >> the DMA API does the right thing for *itself*)? > > > > I'm fine with this. > > I modified vring_use_dma_api to take a vring_virtqueue* parameter to > make this easier. > > I'm a bit torn here.  I want to get the mechanism and the Xen part in, > and there's unlikely to be much debate on those as a matter of > principle.  I'd also like to flip as many arches over as possible, but > that could be trickier.  Let me mull over this. Let's queue the arch_vring_eschew_dma_api() thing up after this first batch, and not hold it up any further. -- David Woodhouse Open Source Technology Centre David.Woodhouse@intel.com Intel Corporation