netdev - Re: [PATCH net-next] xsk: introduce xsk_dma

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Message-ID: <1681711081.378984-2-xuanzhuo@linux.alibaba.com>
Date:   Mon, 17 Apr 2023 13:58:01 +0800
From:   Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     netdev@...r.kernel.org,
        Björn Töpel <bjorn@...nel.org>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>, bpf@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        Jason Wang <jasowang@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH net-next] xsk: introduce xsk_dma_ops

On Sun, 16 Apr 2023 21:24:32 -0700, Christoph Hellwig <hch@...radead.org> wrote:
> On Mon, Apr 17, 2023 at 11:27:50AM +0800, Xuan Zhuo wrote:
> > The purpose of this patch is to allow driver pass the own dma_ops to
> > xsk.
>
> Drivers have no business passing around dma_ops, or even knowing about
> them.


May misunderstand, here the "dma_ops" is not the "dma_ops" of DMA API.

I mean the callbacks for xsk to do dma.

Maybe, I should rename it in the next version.

Thanks.