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

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On Tue, Apr 11, 2023 at 02:33:29PM +0800, Xuan Zhuo wrote:
> Do you mean my idea is wrong, right?
> 
> Can you explain it? Why can't we support a device that uses only dirct map?

If a direct map or not is used is a decision done by the platform code,
often based on firmware tables.  You can't just override that.
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