Re: [PATCH vhost v6 08/11] virtio_ring: introduce virtqueue_dma_dev()

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On Tue, Apr 11, 2023 at 3:21 PM Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx> wrote:
> Hi Jason
> Can we force virtio core to use dma api without VIRTIO_F_ACCESS_PLATFORM?

I don't think so. Without ACCESS_PLATFORM it's not DMA, so DMA API
should be avoided. And we have several software devices for virtio

I'd suggest involving AF_XDP maintainers to join the discussion to
seek a solution. I tend to agree with Christoph that everything will
be simplified if DMA is done at the driver level.


> Thanks.

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