netdev - Re: [PATCH net-next v9 4/5] net: devmem: document NETDEV_A_DMABUF

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Message-ID: <CAHS8izP=udLS2E2ZCvY4dGu3=L+SnPVQePsh=hNaM=3gy=YtHw@mail.gmail.com>
Date: Sun, 11 Jan 2026 11:14:21 -0800
From: Mina Almasry <almasrymina@...gle.com>
To: Bobby Eshleman <bobbyeshleman@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
	Kuniyuki Iwashima <kuniyu@...gle.com>, Willem de Bruijn <willemb@...gle.com>, 
	Neal Cardwell <ncardwell@...gle.com>, David Ahern <dsahern@...nel.org>, Arnd Bergmann <arnd@...db.de>, 
	Jonathan Corbet <corbet@....net>, Andrew Lunn <andrew+netdev@...n.ch>, Shuah Khan <shuah@...nel.org>, 
	Donald Hunter <donald.hunter@...il.com>, Stanislav Fomichev <sdf@...ichev.me>, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, 
	linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	asml.silence@...il.com, matttbe@...nel.org, skhawaja@...gle.com, 
	Bobby Eshleman <bobbyeshleman@...a.com>
Subject: Re: [PATCH net-next v9 4/5] net: devmem: document NETDEV_A_DMABUF_AUTORELEASE
 netlink attribute

On Fri, Jan 9, 2026 at 6:19 PM Bobby Eshleman <bobbyeshleman@...il.com> wrote:
>
> From: Bobby Eshleman <bobbyeshleman@...a.com>
>
> Update devmem.rst documentation to describe the autorelease netlink
> attribute used during RX dmabuf binding.
>
> The autorelease attribute is specified at bind-time via the netlink API
> (NETDEV_CMD_BIND_RX) and controls what happens to outstanding tokens
> when the socket closes.
>
> Document the two token release modes (automatic vs manual), how to
> configure the binding for autorelease, the perf benefits, new caveats
> and restrictions, and the way the mode is enforced system-wide.
>
> Signed-off-by: Bobby Eshleman <bobbyeshleman@...a.com>

Reviewed-by: Mina Almasry <almasrymina@...gle.com>

-- 
Thanks,
Mina