Re: [Xen-devel] [PATCH v5 04/10] vring: Introduce vring_use_dma_api()

[David Woodhouse <dwmw2@xxxxxxxxxxxxx>]

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@xxxxxxxxx                              Intel Corporation

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