Re: [PATCH] vhost: introduce vDPA based backend

[Michael S. Tsirkin]

On Tue, Feb 04, 2020 at 11:30:11AM +0800, Jason Wang wrote:
> 5) generate diffs of memory table and using IOMMU API to setup the dma
> mapping in this method

Frankly I think that's a bunch of work. Why not a MAP/UNMAP interface?

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MST