linux-kernel - Re: [PATCH v2 1/2] virtio: abstract virtqueue related methods

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Message-ID: <ZGSGQWqbtdwGXurf@infradead.org>
Date:   Wed, 17 May 2023 00:46:09 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     zhenwei pi <pizhenwei@...edance.com>
Cc:     Christoph Hellwig <hch@...radead.org>, stefanha@...hat.com,
        mst@...hat.com, jasowang@...hat.com, xuanzhuo@...ux.alibaba.com,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] virtio: abstract virtqueue related methods

On Wed, May 17, 2023 at 03:43:03PM +0800, zhenwei pi wrote:
> I have a plan to introduce 'Virtio Over Fabrics'(TCP&RDMA) as Virtio
> transport, as mentioned in cover letter of this series:
> 3 weeks ago, I posted a proposal 'Virtio Over Fabrics':
> https://lists.oasis-open.org/archives/virtio-comment/202304/msg00442.html

Just don't do it.  Please define your own protocols over RDMA or TCP
for exactly the operations you need (for many they will already exist)
instead of piggyg backing on virtio and making everyone else pay the
price.