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 X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 891A4C49361 for ; Mon, 28 Jun 2021 13:50:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 738B061C78 for ; Mon, 28 Jun 2021 13:50:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232318AbhF1Nwo (ORCPT ); Mon, 28 Jun 2021 09:52:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232186AbhF1Nwh (ORCPT ); Mon, 28 Jun 2021 09:52:37 -0400 Received: from mail-qk1-x72e.google.com (mail-qk1-x72e.google.com [IPv6:2607:f8b0:4864:20::72e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FEF6C061574; Mon, 28 Jun 2021 06:50:11 -0700 (PDT) Received: by mail-qk1-x72e.google.com with SMTP id q190so27430400qkd.2; Mon, 28 Jun 2021 06:50:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6dmBo+A285XUjxDQvlhCvL2u9o4Cc8V4RCXPQxZOuC8=; b=pt/XCClrV0xYnmJZVX/n6lVjVVLidE498luN3+7F7P6Wy91zbVt81mCA9sls7hK9TB 1T4JQAh5EHZiWknJmKCS/b3jBHLJ8dhcjlfiBgbCC2JC56Q/ubhAI80TLPZ00lmcLeRs MitmcQJEGMe8sszvce8prHplhfWkpiZcJXccC/cTv9ZzHoqmDAVvFVmLGnwEA/c2jA5G vOCSSTxFCfGw4ye8EbPBNGenAs9Ar6ITL8JJo0iOHUDy4939caWANcCtdoaSOF0GFbnn IfPDvjoeOvQ83GSNgSWzempZfQW17ns/4Ok9u1z6npz7vj/24FuKNSwisz7sKUh1wA+x 4PQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6dmBo+A285XUjxDQvlhCvL2u9o4Cc8V4RCXPQxZOuC8=; b=DfK9k1ZWg8kmy3KOb93sYjxlQV010kEFOZFpW3/svlSLF0XTxyMcnNPbXDuqFokDGf S1ea+FDqRKGDwrjWgzH/NgeFm5G4ZCaGcPYGghpYPzv0jTjD2Op6sGPmVhkgZnVyYd9P S6skN0k+KgVYAiDK7RU0k+yFG2BhyHuJ1yo4n9GDHijVnE+YEnV8OP4EToX7TIonIMt7 nGxjUTnpQ9VN1K8p1X5crPQZyejrUssQnP1GO6GQHJ7FyToDQcnSXUhFT93ydFk0+Ilb DShJ1yeh3U66Qf6Cdr5qrcpPsYWZ9PWa+ysXZ3Ml66tpU6XiK1VIPVhMUI/089jF5HK6 q9HQ== X-Gm-Message-State: AOAM5339BcIebWk5Fte3/xcywTHd4cBgpjmZ+jm8zylA+PoAOw3AQVQr KxKqbm3RI0ZJ2gZScMJbxOcXxf/EWQo= X-Google-Smtp-Source: ABdhPJxg1Y6lCLXfes19EcCWLW9ylqAr0Y6iLi9otC0KW7mhiTe8bzKf+wqLdBSBNvw8EH0nC3a8Bw== X-Received: by 2002:a37:a687:: with SMTP id p129mr14753036qke.48.1624888210276; Mon, 28 Jun 2021 06:50:10 -0700 (PDT) Received: from tannerlove.nyc.corp.google.com ([2620:0:1003:1000:8502:d4aa:337:d4d]) by smtp.gmail.com with ESMTPSA id f19sm10760518qkg.70.2021.06.28.06.50.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Jun 2021 06:50:09 -0700 (PDT) From: Tanner Love To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, "David S . Miller" , Eric Dumazet , Mahesh Bandewar , "Darrick J . Wong" , Arnd Bergmann , Petr Mladek , Sergey Senozhatsky , Steven Rostedt , John Ogness , Ingo Molnar , Jakub Kicinski , Andrii Nakryiko , Antoine Tenart , Alexander Lobakin , Wei Wang , Taehee Yoo , Yunsheng Lin , Willem de Bruijn , Tanner Love Subject: [PATCH net-next v3 0/2] net: update netdev_rx_csum_fault() print dump only once Date: Mon, 28 Jun 2021 09:50:05 -0400 Message-Id: <20210628135007.1358909-1-tannerlove.kernel@gmail.com> X-Mailer: git-send-email 2.32.0.93.g670b81a890-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tanner Love First patch implements DO_ONCE_LITE to abstract uses of the ".data.once" trick. It is defined in its own, new header file -- rather than alongside the existing DO_ONCE in include/linux/once.h -- because include/linux/once.h includes include/linux/jump_label.h, and this causes the build to break for some architectures if include/linux/once.h is included in include/linux/printk.h or include/asm-generic/bug.h. Second patch uses DO_ONCE_LITE in netdev_rx_csum_fault to print dump only once. Tanner Love (2): once: implement DO_ONCE_LITE for non-fast-path "do once" functionality net: update netdev_rx_csum_fault() print dump only once fs/xfs/xfs_message.h | 13 +++---------- include/asm-generic/bug.h | 37 +++++++------------------------------ include/linux/once_lite.h | 24 ++++++++++++++++++++++++ include/linux/printk.h | 23 +++-------------------- kernel/trace/trace.h | 13 +++---------- net/core/dev.c | 14 +++++++++----- 6 files changed, 49 insertions(+), 75 deletions(-) create mode 100644 include/linux/once_lite.h -- 2.32.0.93.g670b81a890-goog