linux-kernel - Re: [RFC v2] vhost: introduce mdev based hardware vhost backend

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Message-ID: <90e6a722-ce7b-2ab3-0d2d-19b2ca09f2d1@redhat.com>
Date:   Thu, 18 Jul 2019 18:31:36 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Tiwei Bie <tiwei.bie@...el.com>
Cc:     Alex Williamson <alex.williamson@...hat.com>, mst@...hat.com,
        maxime.coquelin@...hat.com, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, dan.daly@...el.com,
        cunming.liang@...el.com, zhihong.wang@...el.com, idos@...lanox.com,
        Rob Miller <rob.miller@...adcom.com>,
        Ariel Adam <aadam@...hat.com>
Subject: Re: [RFC v2] vhost: introduce mdev based hardware vhost backend


On 2019/7/10 下午3:22, Jason Wang wrote:
>> Yeah, that's a major concern. If it's true, is it something
>> that's not acceptable?
>
>
> I think not, but I don't know if any other one that care this.
>
>
>>
>>> And I do see some new RFC for VFIO to add more DMA API.
>> Is there any pointers?
>
>
> I don't remember the details, but it should be something related to 
> SVA support in recent intel IOMMU.


E.g this series:

https://www.spinics.net/lists/iommu/msg37146.html

Thanks