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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 ED124C33C9E for ; Sat, 11 Jan 2020 05:17:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0F3C2082E for ; Sat, 11 Jan 2020 05:17:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578719848; bh=5KNJjB7AvbZOIDEyTUBZ1IFseJ1ac2DzeG/hUGChJr0=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=PkOvy1WahqPo7rH6W+U+hisa8oZyYSpSBa18s00xF0nCqdwUfFKq2/n5eIOnG57rc 8/6oSHhKpjVSPcT1PoE5KAxMzsGcCsVuWKaBtYi0tePhCqdX+VKHPbAWqeHeqpq7gp c9x2WkywvWxOrfRYmHKZth3NxZAEwJyS+mF18EjI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726184AbgAKFR1 (ORCPT ); Sat, 11 Jan 2020 00:17:27 -0500 Received: from mail.kernel.org ([198.145.29.99]:59648 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726091AbgAKFR1 (ORCPT ); Sat, 11 Jan 2020 00:17:27 -0500 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DFDD52077C; Sat, 11 Jan 2020 05:17:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578719846; bh=5KNJjB7AvbZOIDEyTUBZ1IFseJ1ac2DzeG/hUGChJr0=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=R/QhIys1G63mfeH7UqZNcZL2BTaWHkF13+mbMNYo671n0AbxoI0CTI2KRgGilIEIx vKlDjKuTLTLk8EWA5GnITf2NFsRdTO0143IpkPcojbKBMsc/7Hc1GAmcyxwCNLvIz7 lPXLWY0GFcZLf7quoQw/DACAiaNIrsugy29mebr8= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 9599C3522887; Fri, 10 Jan 2020 21:17:26 -0800 (PST) Date: Fri, 10 Jan 2020 21:17:26 -0800 From: "Paul E. McKenney" To: Marco Elver Cc: andreyknvl@google.com, glider@google.com, dvyukov@google.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH -rcu v2 0/2] kcsan: Improvements to reporting Message-ID: <20200111051726.GH13449@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20200110184834.192636-1-elver@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200110184834.192636-1-elver@google.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 10, 2020 at 07:48:32PM +0100, Marco Elver wrote: > Improvements to KCSAN data race reporting: > 1. Show if access is marked (*_ONCE, atomic, etc.). > 2. Rate limit reporting to avoid spamming console. > > v2: > * Paul E. McKenney: commit message reword. > * Use jiffies instead of ktime -- we want to avoid calling into any > further complex libraries, since KCSAN may also detect data races in > them, and as a result potentially leading to observing corrupt state > (e.g. here, observing corrupt ktime_t value). > > > Marco Elver (2): > kcsan: Show full access type in report > kcsan: Rate-limit reporting per data races I replaced the existing commits with these guys, thank you! Thanx, Paul > kernel/kcsan/core.c | 15 +++-- > kernel/kcsan/kcsan.h | 2 +- > kernel/kcsan/report.c | 151 +++++++++++++++++++++++++++++++++++------- > lib/Kconfig.kcsan | 10 +++ > 4 files changed, 146 insertions(+), 32 deletions(-) > > -- > 2.25.0.rc1.283.g88dfdc4193-goog >