linux-kernel - Re: [net-next v1 00/16] Device Memory TCP

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Date:   Fri, 8 Dec 2023 10:57:47 -0700
From:   David Ahern <dsahern@...nel.org>
To:     Mina Almasry <almasrymina@...gle.com>,
        Shailend Chand <shailend@...gle.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kselftest@...r.kernel.org,
        bpf@...r.kernel.org, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Jeroen de Borst <jeroendb@...gle.com>,
        Praveen Kaligineedi <pkaligineedi@...gle.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Shuah Khan <shuah@...nel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>,
        Yunsheng Lin <linyunsheng@...wei.com>,
        Harshitha Ramamurthy <hramamurthy@...gle.com>,
        Shakeel Butt <shakeelb@...gle.com>
Subject: Re: [net-next v1 00/16] Device Memory TCP

On 12/7/23 5:52 PM, Mina Almasry wrote:
> Major changes in v1:
> --------------
> 
> 1. Implemented MVP queue API ndos to remove the userspace-visible
>    driver reset.
> 
> 2. Fixed issues in the napi_pp_put_page() devmem frag unref path.
> 
> 3. Removed RFC tag.
> 
> Many smaller addressed comments across all the patches (patches have
> individual change log).
> 
> Full tree including the rest of the GVE driver changes:
> https://github.com/mina/linux/commits/tcpdevmem-v1
> 

Still a lot of DEVMEM references (e.g., socket API). Any reason not to
move those to DMABUF?