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Subject: Re: [PATCH] vhost: introduce vDPA based backend
To:     "Michael S. Tsirkin" <mst@redhat.com>
Cc:     Tiwei Bie <tiwei.bie@intel.com>, linux-kernel@vger.kernel.org,
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From:   Jason Wang <jasowang@redhat.com>
Message-ID: <cf485e7f-46e3-20d3-8452-e3058b885d0a@redhat.com>
Date:   Tue, 4 Feb 2020 14:46:16 +0800
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On 2020/2/4 =E4=B8=8B=E5=8D=882:01, Michael S. Tsirkin wrote:
> 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?
>

Sure, so that basically VHOST_IOTLB_UPDATE/INVALIDATE I think?

Thanks