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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E92ECC433EF for ; Sat, 4 Dec 2021 01:14:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 62B496B007E; Fri, 3 Dec 2021 20:14:21 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5B22F6B0080; Fri, 3 Dec 2021 20:14:21 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 42BD76B0081; Fri, 3 Dec 2021 20:14:21 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0007.hostedemail.com [216.40.44.7]) by kanga.kvack.org (Postfix) with ESMTP id 2EBEE6B007E for ; Fri, 3 Dec 2021 20:14:21 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id E7BD98BED4 for ; Sat, 4 Dec 2021 01:14:10 +0000 (UTC) X-FDA: 78878340660.28.903E549 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf11.hostedemail.com (Postfix) with ESMTP id 7F086F0000AE for ; Sat, 4 Dec 2021 01:14:10 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 889D1B829C0; Sat, 4 Dec 2021 01:14:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B5BBC341C0; Sat, 4 Dec 2021 01:14:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638580447; bh=kRPrcbb3nkeObkhB2Ul95O5vYzXbYXpVb4wpEsKiNVc=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=asnsLpkfGW5B54GACNHa2REYpExvXo3jNQ4EzyiqY9fIDmXOokZp/AMwEF7YcYXGW J8rcFwR136OkR1mDFfI5tK1iF2VnKrRg67c7Fkhhhq+PAAWrDRuDzePKnaqzeJaFwx D31IIJZsGAwGModqVdPAu/5OeU/FQhees9dpw+cd+mqaAkEToGBzas+PeGXavv55Es gdkbRgbN7w7ofg7j2MrXsphLHSFuXHSbGuVaFiOylZMEbKYKnwpA11NiAdRE4ks55Q lGMpvyoV0WhI0w44MpU1Up2oDzSSzN8F34t5VEqJCarJ/wJ+AbIeOMyGOGhk1vFQDx +mgF/49mE0sgg== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id F26E45C0F91; Fri, 3 Dec 2021 17:14:06 -0800 (PST) Date: Fri, 3 Dec 2021 17:14:06 -0800 From: "Paul E. McKenney" To: Marco Elver Cc: Alexander Potapenko , Boqun Feng , Borislav Petkov , Dmitry Vyukov , Ingo Molnar , Mark Rutland , Peter Zijlstra , Thomas Gleixner , Waiman Long , Will Deacon , kasan-dev@googlegroups.com, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, llvm@lists.linux.dev, x86@kernel.org Subject: Re: [PATCH v3 04/25] kcsan: Add core support for a subset of weak memory modeling Message-ID: <20211204011406.GU641268@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org References: <20211130114433.2580590-1-elver@google.com> <20211130114433.2580590-5-elver@google.com> <20211203165020.GR641268@paulmck-ThinkPad-P17-Gen-1> <20211203210856.GA712591@paulmck-ThinkPad-P17-Gen-1> <20211203234218.GA3308268@paulmck-ThinkPad-P17-Gen-1> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Stat-Signature: ibre4nga934xshpru74rj9giynmtig6e Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=asnsLpkf; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf11.hostedemail.com: domain of "SRS0=WkCX=QV=paulmck-ThinkPad-P17-Gen-1.home=paulmck@kernel.org" designates 145.40.68.75 as permitted sender) smtp.mailfrom="SRS0=WkCX=QV=paulmck-ThinkPad-P17-Gen-1.home=paulmck@kernel.org" X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 7F086F0000AE X-HE-Tag: 1638580450-949081 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, Dec 04, 2021 at 12:45:30AM +0100, Marco Elver wrote: > On Sat, 4 Dec 2021 at 00:42, Paul E. McKenney wrote: > [...] > > And to further extend this bug report, the following patch suppresses > > the error. > > > > Thanx, Paul > > > > ------------------------------------------------------------------------ > > > > commit d157b802f05bd12cf40bef7a73ca6914b85c865e > > Author: Paul E. McKenney > > Date: Fri Dec 3 15:35:29 2021 -0800 > > > > kcsan: selftest: Move test spinlock to static global > > Indeed, that will fix the selftest. The kcsan_test has the same > problem (+1 extra problem). > > We raced sending the fix. :-) > I hope this patch works for you: > https://lkml.kernel.org/r/20211203233817.2815340-1-elver@google.com I replaced my patch with yours and am starting up testing, thank you! Thanx, Paul