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=ham 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 BB0FFC47082 for ; Wed, 26 May 2021 23:13:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C4D2613C3 for ; Wed, 26 May 2021 23:13:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234735AbhEZXPS (ORCPT ); Wed, 26 May 2021 19:15:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234250AbhEZXPR (ORCPT ); Wed, 26 May 2021 19:15:17 -0400 Received: from mail-qt1-x832.google.com (mail-qt1-x832.google.com [IPv6:2607:f8b0:4864:20::832]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7EDF1C061574 for ; Wed, 26 May 2021 16:13:45 -0700 (PDT) Received: by mail-qt1-x832.google.com with SMTP id t17so2193404qta.11 for ; Wed, 26 May 2021 16:13:45 -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=IN8PIUqSzpO6z5vpAPZC09XNuOFx1aJQshg+9VF/IRg=; b=JAziqJ9BZKbGGpIZGH9Scc31E5FUlOKALHesLu2CsyoPb928UhLdhaWBHtaeOG150p YGpFwRMLVA92hVz1rfkd0niHgwlNVjJKhg7RoM3Az7M1Qq3JVNG9L6psoIXkqU4FG41B O1qUfc9x3MYAuJ2NGLQRePAztCpFiXNND7xr+d1L+gjSFzWohfKzVmHbv/Zw1s3dlHDI 2bzxE+znR9t3egRP1L4NTK5IyyyTTT+6/VHvFALRDMa2qUmW0Vj2o1KNLde8YmeO+wXH vqBJJztAYeFss/i4AfsDOTTpIMV70ngLC5Gu4rlTmbpdeDTDtdcGZkIuZ/wt6MOGDujK jdVA== 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=IN8PIUqSzpO6z5vpAPZC09XNuOFx1aJQshg+9VF/IRg=; b=WyFAnLbQ4ZurPHdPovcUxbKFcq3hXIvz5v8y63UuC4ZSldSVBr82UmqM6pl4yzRhlh GrZ5jj6YC6HEw0cW3A2T61C+YCgJ2eQyf5QsPh+dUdGZqrUGcoZeSWLBrPue2qtkdHmv Kw3sder+Y5klbXtKk3oiaCEyBXfSx9Wp4VOHpZSt24uYSW7uNlyrGD0JsrUWPq+IMaZ7 Cd5S7iGGDDIKoLOvb16/erl2v7eeCx8bECNo17Qqll4CG/EysBBGFRn0KZaOZ/cI3iow Y/whfF7Uaj9Xp/mZmPXomYwjAf0O4PyBlio4SOQ/p/j3D3Ha7tn3m+E4AR7NI1Ft7V5q NmtQ== X-Gm-Message-State: AOAM530bRtbgO0Sm8iIHGFOOjFep3TV+qLqjA9Voke6ZrerQ0bOc23aL XT+Tz8WOyrggWaRVN1tygYoAsuvpPt0= X-Google-Smtp-Source: ABdhPJwwnFJaRrUrWLOYBL+4bOo0kyoNv2a/2g4ppaSnqyBVOxLvTFch8rsHSgeL4pDVhaLZSyXWNQ== X-Received: by 2002:a05:622a:344:: with SMTP id r4mr539846qtw.386.1622070823471; Wed, 26 May 2021 16:13:43 -0700 (PDT) Received: from tannerlove.nyc.corp.google.com ([2620:0:1003:316:557d:8eb6:c0af:d526]) by smtp.gmail.com with ESMTPSA id k24sm290476qtq.49.2021.05.26.16.13.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 May 2021 16:13:43 -0700 (PDT) From: Tanner Love To: netdev@vger.kernel.org Cc: davem@davemloft.net, Tanner Love Subject: [PATCH net-next,v2,0/2] net: update netdev_rx_csum_fault() print dump only once Date: Wed, 26 May 2021 19:13:34 -0400 Message-Id: <20210526231336.2772011-1-tannerlove.kernel@gmail.com> X-Mailer: git-send-email 2.32.0.rc0.204.g9fa02ecfa5-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@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. This is a v2 of https://patchwork.kernel.org/project/netdevbpf/patch/20210422194738.2175542-2-tannerlove.kernel@gmail.com/ 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.rc0.204.g9fa02ecfa5-goog