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=-11.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=no 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 B9611C282DD for ; Thu, 9 Jan 2020 15:23:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84D4020673 for ; Thu, 9 Jan 2020 15:23:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="d4yYCqe1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732375AbgAIPXf (ORCPT ); Thu, 9 Jan 2020 10:23:35 -0500 Received: from mail-qv1-f74.google.com ([209.85.219.74]:33381 "EHLO mail-qv1-f74.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728925AbgAIPXf (ORCPT ); Thu, 9 Jan 2020 10:23:35 -0500 Received: by mail-qv1-f74.google.com with SMTP id g6so4333292qvp.0 for ; Thu, 09 Jan 2020 07:23:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=HNy7hZEHqrPvuhZduQmJRe1uIw5w6ITq0q+7c4RSDGM=; b=d4yYCqe1woC1/Q1x8Lq+T+wMNybDW/BHjiK48ZLP0Z+jVVQBAuloCQrVhizbSHNM0I DiweaYDqwk+2ysFXwvOGLlX5Mk34WOe9OiBRW0yhhWw0M7pgalZYcEMPPstvwE9sW2eK 0wXJkWRihAbS/V2DU2FjLRZiKIEHA2UTVNKa/LJnR1TTEz2NHLcXtX5OKj+/uppxpYGG jjplDUYwgWZzmU0ZEl9E77iQIQYjiY206fH8usdrpOBZWape+r29oh5kTAJ9cLPAM28v n/z7H221vsQamN4hOZab4Hh54GGtGq4BbASATSAifxh0r+lbZGBALNlMwG39loyaDrfM eX6Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=HNy7hZEHqrPvuhZduQmJRe1uIw5w6ITq0q+7c4RSDGM=; b=fNIfXXkojcpsNtTjnOvJr1y/s5MbyNeLJK5xG7ME81HOao+81tAQQEg3Kt5h+wJIA1 +01qFXS1fIoYS2xNk3qBOrIqJCyH4wt3qZO+evOnzU/eH9vsMW819Dxz98Toh3MGYT+Y 9vvNwcVJ1pxFhC2ABZSg+naMrMnNaf6tMmpe982Mwysca1VzZIp8Dw2LrCpfCZHCaPbb afSN8AVDUcvq6433IotrXdKbKKdGnpEPjX0OtuhEyrArC7xK8L8mOfDX+Fd1IbLbl2vT F5ZsZkSYd0/MJVd/eQSG6SRer3MBefg/uyDRMHqBgLBITUTWcCecOJ2G8XZOdxz9ltW8 knwg== X-Gm-Message-State: APjAAAWRBfH5yINwHo4fPW2gHU+reJXj4LmG+KIQB3DzsIB+ahK6yG1+ QQV9j2nVWAEUvZf0q6i0mroeMxceBg== X-Google-Smtp-Source: APXvYqy4BQK9B7cBdpi6Tgo82EdDpRfmUeCMyiCw2sY+ff/yomldP04DIjK7Ykb5cXInObIuxGScOe3dUQ== X-Received: by 2002:a05:6214:15cf:: with SMTP id p15mr9367520qvz.140.1578583414433; Thu, 09 Jan 2020 07:23:34 -0800 (PST) Date: Thu, 9 Jan 2020 16:23:20 +0100 Message-Id: <20200109152322.104466-1-elver@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.25.0.rc1.283.g88dfdc4193-goog Subject: [PATCH -rcu 0/2] kcsan: Improvements to reporting From: Marco Elver To: elver@google.com Cc: paulmck@kernel.org, andreyknvl@google.com, glider@google.com, dvyukov@google.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Improvements to KCSAN data race reporting: 1. Show if access is marked (*_ONCE, atomic, etc.). 2. Rate limit reporting to avoid spamming console. Marco Elver (2): kcsan: Show full access type in report kcsan: Rate-limit reporting per data races kernel/kcsan/core.c | 15 +++-- kernel/kcsan/kcsan.h | 2 +- kernel/kcsan/report.c | 153 +++++++++++++++++++++++++++++++++++------- lib/Kconfig.kcsan | 10 +++ 4 files changed, 148 insertions(+), 32 deletions(-) -- 2.25.0.rc1.283.g88dfdc4193-goog