From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDE2DC433F5 for ; Fri, 28 Jan 2022 04:20:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346009AbiA1EUS (ORCPT ); Thu, 27 Jan 2022 23:20:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345994AbiA1EUN (ORCPT ); Thu, 27 Jan 2022 23:20:13 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E2F8C061747; Thu, 27 Jan 2022 20:20:13 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2B6BF60C6F; Fri, 28 Jan 2022 04:20:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 92222C340EC; Fri, 28 Jan 2022 04:20:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643343612; bh=F7CUMzOC/FXhhI220Gt83QTOXYmawf15qGJY1aOSoKw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=Nshi/2ZNcsVq6aLhCif+Rnm7XMobY64X/3V0gsNVbuS0tIM2EYo59aM4qjEeAp1k7 E+Vq3G68+ZCiLZ7NfJsz0fiHoSV9ytAEg5if5XEvA6kw7XzYkBHHH0TZZ1zlmj7wLU Ynlaf7cDGUH7pewkFfORZ87Z1Hdy6KpAnwtxpSKdWws4lJEAjB5Pxi3eI8qZRkZkJw 3hmlc8BzyZDqgJzp5d0Q5f+OSTTx7OQRPEolPKRRfsLcEopZxsIw3xn0T6Io8RhrHD 8T6zFheK6PvBIRsBlFXhWIlFEL+DbUTI/wZXhmERXpoxGSefUFqDAgpYV8cY8Ak42R +arsdNB7fxDJg== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 7A6A7E5D089; Fri, 28 Jan 2022 04:20:12 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next v2 00/10] udp/ipv6 optimisations From: patchwork-bot+netdevbpf@kernel.org Message-Id: <164334361249.28006.3733418624266490544.git-patchwork-notify@kernel.org> Date: Fri, 28 Jan 2022 04:20:12 +0000 References: In-Reply-To: To: Pavel Begunkov Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, edumazet@google.com, willemdebruijn.kernel@gmail.com, linux-kernel@vger.kernel.org, pabeni@redhat.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This series was applied to netdev/net-next.git (master) by Jakub Kicinski : On Thu, 27 Jan 2022 00:36:21 +0000 you wrote: > Shed some weight from udp/ipv6. Zerocopy benchmarks over dummy showed > ~5% tx/s improvement, should be similar for small payload non-zc > cases. > > The performance comes from killing 4 atomics and a couple of big struct > memcpy/memset. 1/10 removes a pair of atomics on dst refcounting for > cork->skb setup, 9/10 saves another pair on cork init. 5/10 and 8/10 > kill extra 88B memset and memcpy respectively. > > [...] Here is the summary with links: - [net-next,v2,01/10] ipv6: optimise dst refcounting on skb init https://git.kernel.org/netdev/net-next/c/cd3c74807736 - [net-next,v2,02/10] udp6: shuffle up->pending AF_INET bits https://git.kernel.org/netdev/net-next/c/406c4a0af010 - [net-next,v2,03/10] ipv6: remove daddr temp buffer in __ip6_make_skb https://git.kernel.org/netdev/net-next/c/b60d4e58c615 - [net-next,v2,04/10] ipv6: clean up cork setup/release https://git.kernel.org/netdev/net-next/c/d656b2ea5fa7 - [net-next,v2,05/10] ipv6: don't zero inet_cork_full::fl after use https://git.kernel.org/netdev/net-next/c/940ea00b0646 - [net-next,v2,06/10] ipv6: pass full cork into __ip6_append_data() https://git.kernel.org/netdev/net-next/c/f3b46a3e8c40 - [net-next,v2,07/10] udp6: pass flow in ip6_make_skb together with cork https://git.kernel.org/netdev/net-next/c/f37a4cc6bb0b - [net-next,v2,08/10] udp6: don't make extra copies of iflow https://git.kernel.org/netdev/net-next/c/5298953e742d - [net-next,v2,09/10] ipv6: optimise dst refcounting on cork init https://git.kernel.org/netdev/net-next/c/40ac240c2e06 - [net-next,v2,10/10] ipv6: partially inline ipv6_fixup_options https://git.kernel.org/netdev/net-next/c/31ed2261e88f You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html