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 664D3FA3740 for ; Mon, 24 Oct 2022 10:30:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229841AbiJXKa3 (ORCPT ); Mon, 24 Oct 2022 06:30:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229727AbiJXKaY (ORCPT ); Mon, 24 Oct 2022 06:30:24 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C0B931DEF for ; Mon, 24 Oct 2022 03:30:20 -0700 (PDT) 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 85308611DE for ; Mon, 24 Oct 2022 10:30:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id E6F9DC43141; Mon, 24 Oct 2022 10:30:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666607419; bh=ai6z823b0G/TUEUZOfcO6d/2MYgy4Oz76tJ+jahceNo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=U6QnNRxUv/gnxf0rhER25b3BlRDMXyktN6KYtfHj/MuQ6a/AbldifZHg1wSX6zn4l 75isqEwmu9BO6dfLSM1WomzM5pIMkaabNVmfRQaA/4GpPiZmw5K4u5rl/VhAX4UQVv tjpd7FkldjI3WqMRIwVfpMT02qO0rqNb6Wf62cz2P/whuVCq6ETpOEda2dA5Miwhw9 YXgJ6VaqC/sYkRMUpd5QXedZEzQwmvVK2A5Uze5AYRox0KtMbV0vKKJIoXjAdtVGPU 3PXH6ygF/AHIWYxK52OT4GM8Z2ibDXOxeZtv0wj+eYFxBvOzO3pTdF/0seWLbm344q 5uascItrZgigA== 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 CAA77E4D005; Mon, 24 Oct 2022 10:30:19 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next v2 0/2] udp: avoid false sharing on receive From: patchwork-bot+netdevbpf@kernel.org Message-Id: <166660741981.18313.518994743736905929.git-patchwork-notify@kernel.org> Date: Mon, 24 Oct 2022 10:30:19 +0000 References: In-Reply-To: To: Paolo Abeni Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, mptcp@lists.linux.dev, dsahern@kernel.org, mathew.j.martineau@linux.intel.com, matthieu.baerts@tessares.net, kuniyu@amazon.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This series was applied to netdev/net-next.git (master) by David S. Miller : On Thu, 20 Oct 2022 19:48:50 +0200 you wrote: > Under high UDP load, the BH processing and the user-space receiver can > run on different cores. > > The UDP implementation does a lot of effort to avoid false sharing in > the receive path, but recent changes to the struct sock layout moved > the sk_forward_alloc and the sk_rcvbuf fields on the same cacheline: > > [...] Here is the summary with links: - [net-next,v2,1/2] net: introduce and use custom sockopt socket flag https://git.kernel.org/netdev/net-next/c/a5ef058dc4d9 - [net-next,v2,2/2] udp: track the forward memory release threshold in an hot cacheline https://git.kernel.org/netdev/net-next/c/8a3854c7b8e4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html