Subject: Re: [RFC V2] virtio: Add platform specific DMA API translation for virito devices

From: Christoph Hellwig <[email-masked]>
Date: Mon, 4 Jun 2018 05:55:30 -0700

On Mon, Jun 04, 2018 at 03:43:09PM +0300, Michael S. Tsirkin wrote:
> Another is that given the basic functionality is in there, optimizations
> can possibly wait until per-device quirks in DMA API are supported.

We have had per-device dma_ops for quite a while.