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 19869C433EF for ; Wed, 24 Nov 2021 20:24:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229670AbhKXU2C (ORCPT ); Wed, 24 Nov 2021 15:28:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229516AbhKXU2B (ORCPT ); Wed, 24 Nov 2021 15:28:01 -0500 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60C98C061574 for ; Wed, 24 Nov 2021 12:24:51 -0800 (PST) Received: by mail-pl1-x633.google.com with SMTP id u17so2792641plg.9 for ; Wed, 24 Nov 2021 12:24:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=mdZuFf+1oV5/8T0i4AD3PjhhawqIIWOYEYMu9lAzV1c=; b=mno8dSGvJWA0n+wyB6guDxcz6d5SELr1XOw5BB4vZJL2frhbxSTSTvhlVr8TwXr/SC AaeFs4sVT8Tf9lrxiYdLZkRbdjo0ypU7CauTfuBfWRLsOfrNJTXx5eh2FLsvwyNKE6pw fM1CAJKP9BjZfZWCF2iObBgMaoP0945DlSPhpfYq3TH6mz+tIG8A/TvMXRVfxC6Y+EMx 0cezztWpZeO7fRULuxCpY012zvDIbQGVdXrX13E71WKD/Nbwdd9uv89vSHntDW2D6laZ qVA6GAMVH4+2Egw5KGcx8a0zX406oubatt62yfXLp3lYiSX/Lao5VPCzFQFiSRp7M6OL L7AQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=mdZuFf+1oV5/8T0i4AD3PjhhawqIIWOYEYMu9lAzV1c=; b=aeK6omF/TXUu/8F0H5N1opa4tQ3AcH9t9CM5Mv5m85PHIBeIECupLnyELgPyUuvGhB 6/y3bV1lKvuyZ69Y4xso/54A5xxj+cTzfVwrf1QS+a6gQf8+LUMIpzt4NTU5PaOJ2b4B uYL06ygHTcXs1OuarzYlKuWoji6VZpAEx+Asia4fHZxc6k0xizVjXtL4g6KsDC3NaQx/ dGEGzgeMY99sdqzCGSMZcE5siKs/Ef6Hf2k0ZNGpiC4ZmnkZF+PXf7PuXMiN6bbwvd94 VF0ux6NNeuaz+fqu+2/7qM+fsFTTAzArkWBTTO4mqhz5MMIjlOYdRLxA6CEORct1hjNJ 8vvw== X-Gm-Message-State: AOAM533ELhmvjMMkowM8EHF2HOnzZmE+8a/v2gWttsgMGjxmtE2ltIP3 mTz2Rhqv+ccU3UNXb2izrJ4JVNGTY24= X-Google-Smtp-Source: ABdhPJzAi0qjI8Vhs2Brur4gPiW8Bm0gq0jm8EY9YYfdBH/+YjE6xbzKrq3HsSuji7yBLNk6OBsMEA== X-Received: by 2002:a17:90a:df8d:: with SMTP id p13mr18915276pjv.197.1637785490981; Wed, 24 Nov 2021 12:24:50 -0800 (PST) Received: from edumazet1.svl.corp.google.com ([2620:15c:2c4:201:b6ed:6a42:8a10:2f32]) by smtp.gmail.com with ESMTPSA id i10sm472839pjd.3.2021.11.24.12.24.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Nov 2021 12:24:50 -0800 (PST) From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski Cc: netdev , Eric Dumazet , Eric Dumazet Subject: [PATCH net-next 0/2] net: small csum optimizations Date: Wed, 24 Nov 2021 12:24:44 -0800 Message-Id: <20211124202446.2917972-1-eric.dumazet@gmail.com> X-Mailer: git-send-email 2.34.0.rc2.393.gf8c9666880-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eric Dumazet After recent x86 csum_partial() optimizations, we can more easily see in kernel profiles costs of add/adc operations that could be avoided, by feeding a non zero third argument to csum_partial() Eric Dumazet (2): gro: optimize skb_gro_postpull_rcsum() net: optimize skb_postpull_rcsum() include/linux/skbuff.h | 6 +++++- include/net/gro.h | 4 ++-- 2 files changed, 7 insertions(+), 3 deletions(-) -- 2.34.0.rc2.393.gf8c9666880-goog