Re: [PATCH net-next v9 4/5] net: devmem: document NETDEV_A_DMABUF_AUTORELEASE netlink attribute

Mina Almasry
2026-01-11T19:14:36Z

On Fri, Jan 9, 2026 at 6:19 PM Bobby Eshleman <bobbyeshleman@gmail.com> wrote:
>
> From: Bobby Eshleman <bobbyeshleman@meta.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@meta.com>

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

--
Thanks,
Mina