From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, kuniyu@google.com, netdev@vger.kernel.org,
eric.dumazet@gmail.com
Subject: Re: [PATCH net-next] net: remove addr_len argument of recvmsg() handlers
Date: Tue, 03 Mar 2026 04:47:03 +0000 [thread overview]
Message-ID: <177251322304.625663.12519588393329554160.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260227151120.1346573-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 27 Feb 2026 15:11:20 +0000 you wrote:
> Use msg->msg_namelen as a place holder instead of a
> temporary variable, notably in inet[6]_recvmsg().
>
> This removes stack canaries and allows tail-calls.
>
> $ scripts/bloat-o-meter -t vmlinux.old vmlinux
> add/remove: 0/0 grow/shrink: 2/19 up/down: 26/-532 (-506)
> Function old new delta
> rawv6_recvmsg 744 767 +23
> vsock_dgram_recvmsg 55 58 +3
> vsock_connectible_recvmsg 50 47 -3
> unix_stream_recvmsg 161 158 -3
> unix_seqpacket_recvmsg 62 59 -3
> unix_dgram_recvmsg 42 39 -3
> tcp_recvmsg 546 543 -3
> mptcp_recvmsg 1568 1565 -3
> ping_recvmsg 806 800 -6
> tcp_bpf_recvmsg_parser 983 974 -9
> ip_recv_error 588 576 -12
> ipv6_recv_rxpmtu 442 428 -14
> udp_recvmsg 1243 1224 -19
> ipv6_recv_error 1046 1024 -22
> udpv6_recvmsg 1487 1461 -26
> raw_recvmsg 465 437 -28
> udp_bpf_recvmsg 1027 984 -43
> sock_common_recvmsg 103 27 -76
> inet_recvmsg 257 175 -82
> inet6_recvmsg 257 175 -82
> tcp_bpf_recvmsg 663 568 -95
> Total: Before=25143834, After=25143328, chg -0.00%
>
> [...]
Here is the summary with links:
- [net-next] net: remove addr_len argument of recvmsg() handlers
https://git.kernel.org/netdev/net-next/c/8341c989ac77
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-03-03 4:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-27 15:11 [PATCH net-next] net: remove addr_len argument of recvmsg() handlers Eric Dumazet
2026-02-28 19:45 ` Willem de Bruijn
2026-03-03 4:47 ` patchwork-bot+netdevbpf [this message]
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