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

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Message-ID: <3fea9ae9-e9e6-4ba5-812b-2775a6ed9e6a@kernel.org>
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?