linux-kernel - RE: [PATCH] net/packet: Allow MSG_NOSIGNAL flag in packet

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Message-ID: <6408abecce45d_1319ce208d2@willemb.c.googlers.com.notmuch>
Date:   Wed, 08 Mar 2023 10:38:20 -0500
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Adnan Dizdarevic <adnan.dizdarevic@...-intec.de>,
        "willemdebruijn.kernel@...il.com" <willemdebruijn.kernel@...il.com>
Cc:     "axboe@...nel.dk" <axboe@...nel.dk>,
        "asml.silence@...il.com" <asml.silence@...il.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] net/packet: Allow MSG_NOSIGNAL flag in packet_recvmsg

Adnan Dizdarevic wrote:
> By adding MSG_NOSIGNAL flag to allowed flags in packet_recvmsg, this
> patch fixes io_uring recvmsg operations returning -EINVAL when used with
> packet socket file descriptors.
> 
> In io_uring, MSG_NOSIGNAL flag is added in:
> io_uring/net.c/io_recvmsg_prep
> 
> Signed-off-by: Adnan Dizdarevic <adnan.dizdarevic@...-intec.de>

This was discussed two weeks ago and io_uring adapted to no longer
require this change.

https://lore.kernel.org/netdev/Y%2Fja3Wi0tIyzXces@eidolon.nox.tf/T/