netdev - Re: [PATCH net-next v8 0/5] net: devmem: improve cpu cost of RX token management

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Message-ID: <20260107193013.0984ab97@kernel.org>
Date: Wed, 7 Jan 2026 19:30:13 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Bobby Eshleman <bobbyeshleman@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, 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>, Mina Almasry
 <almasrymina@...gle.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
 linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org, Stanislav
 Fomichev <sdf@...ichev.me>, asml.silence@...il.com, matttbe@...nel.org,
 skhawaja@...gle.com, Bobby Eshleman <bobbyeshleman@...a.com>
Subject: Re: [PATCH net-next v8 0/5] net: devmem: improve cpu cost of RX
 token management

On Wed, 07 Jan 2026 16:57:34 -0800 Bobby Eshleman wrote:
> This series improves the CPU cost of RX token management by adding an
> attribute to NETDEV_CMD_BIND_RX that configures sockets using the
> binding to avoid the xarray allocator and instead use a per-binding niov
> array and a uref field in niov.

net/ipv4/tcp.c:2600:41: error: implicit declaration of function ‘net_devmem_dmabuf_binding_get’; did you mean ‘net_devmem_dmabuf_binding_put’? [-Wimplicit-function-declaration]
 2600 |                                         net_devmem_dmabuf_binding_get(binding);
      |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                         net_devmem_dmabuf_binding_put
-- 
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