From: Pavel Begunkov <asml.silence@gmail.com>
To: Mina Almasry <almasrymina@google.com>
Cc: Stanislav Fomichev <sdf@fomichev.me>,
Bobby Eshleman <bobbyeshleman@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Simon Horman <horms@kernel.org>, Will Deacon <will@kernel.org>,
Antonio Quartulli <antonio@openvpn.net>,
Ralf Lici <ralf@mandelbit.com>,
Kaiyuan Zhang <kaiyuanz@google.com>,
"open list:NETWORKING [GENERAL]" <netdev@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net v1 2/3] net: devmem: return EMSGSIZE on type mismatch
Date: Sun, 2 Aug 2026 13:26:34 +0100 [thread overview]
Message-ID: <96c485cb-d169-420e-96f2-108ec6ba7081@gmail.com> (raw)
In-Reply-To: <20260801125308.1342897-2-almasrymina@google.com>
On 8/1/26 13:52, Mina Almasry wrote:
> When a devmem payload mixes with a standard page payload, return
> -EMSGSIZE instead of -EFAULT. This enables tcp_sendmsg to seamlessly
> fall back to creating a new segment instead of failing the socket send.
>
> Fixes: bd61848900bff ("net: devmem: Implement TX path")
> Cc: Pavel Begunkov <asml.silence@gmail.com>
> Cc: Stanislav Fomichev <sdf@fomichev.me>
> Cc: Bobby Eshleman <bobbyeshleman@gmail.com>
> Signed-off-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
--
Pavel Begunkov
next prev parent reply other threads:[~2026-08-02 12:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-01 12:52 [PATCH net v1 1/3] net: core: propagate unreadable flag in skb_zerocopy Mina Almasry
2026-08-01 12:52 ` [PATCH net v1 2/3] net: devmem: return EMSGSIZE on type mismatch Mina Almasry
2026-08-02 12:26 ` Pavel Begunkov [this message]
2026-08-01 12:52 ` [PATCH net v1 3/3] net: tcp: block standard payload injection into devmem skbs Mina Almasry
2026-08-02 12:25 ` Pavel Begunkov
2026-08-02 12:33 ` [PATCH net v1 1/3] net: core: propagate unreadable flag in skb_zerocopy Pavel Begunkov
2026-08-02 12:44 ` Pavel Begunkov
2026-08-03 15:49 ` Mina Almasry
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