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 D39B6C433FE for ; Mon, 2 May 2022 21:50:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1387788AbiEBVyH (ORCPT ); Mon, 2 May 2022 17:54:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1387737AbiEBVxq (ORCPT ); Mon, 2 May 2022 17:53:46 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9A6ECC2; Mon, 2 May 2022 14:50:14 -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 ams.source.kernel.org (Postfix) with ESMTPS id 791EEB81A50; Mon, 2 May 2022 21:50:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 04B72C385AF; Mon, 2 May 2022 21:50:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651528212; bh=FGNBa+oCtiJLAqxCgr8dMx1J2bpxxfvCC5pSTvcYvyo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=YzIeaDJhbLSxalkq50471OOpm8l5Apht0mWoAMh27bPIgjlNmxFBNeHaFhvW6FnsE 5BLBYPWOJBkcFk8tdj3NC1Ya+QFRFUoXIkCLwmzKn8RK/rGHrMfdNpCfcxM3ce+GIT ho2KXPw1PDf5TP+6v13o9iosWdWE2fI7XHYb7uSO3E3WHqWY1v6lCVOUetbHU8JUqz +U2ZcdNR+rNsToTmVdQpZBrWoltjhkC0C0rG5dhQHZ4DHEJW5Vjj+ycVUjO1Yffd3c YOFlNbsorkupev69L8/ZigkQ8hwGcw2Y7krqA642gSxupOtfo9ZO0QfDjL0nU/QFCG aY001DrlTm++w== 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 D4E15E6D402; Mon, 2 May 2022 21:50:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next 1/1] tcp: optimise skb_zerocopy_iter_stream() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165152821186.23338.11869983661549264354.git-patchwork-notify@kernel.org> Date: Mon, 02 May 2022 21:50:11 +0000 References: In-Reply-To: To: Pavel Begunkov Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, dsahern@kernel.org, edumazet@google.com, willemdebruijn.kernel@gmail.com, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (master) by Jakub Kicinski : On Thu, 28 Apr 2022 11:57:46 +0100 you wrote: > It's expensive to make a copy of 40B struct iov_iter to the point it > was taking 0.2-0.5% of all cycles in my tests. iov_iter_revert() should > be fine as it's a simple case without nested reverts/truncates. > > Signed-off-by: Pavel Begunkov > --- > > [...] Here is the summary with links: - [net-next,1/1] tcp: optimise skb_zerocopy_iter_stream() https://git.kernel.org/netdev/net-next/c/829b7bdd7044 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html