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=-7.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 9E8B0C433E0 for ; Fri, 19 Jun 2020 21:49:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 74FA2221F3 for ; Fri, 19 Jun 2020 21:49:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592603344; bh=Xzr/+QfY6CtZJxt8lOGxsNXu9vgdJe1YUoiDmUaj8tc=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=eaNPPghYBHKvRmJ8zxajcz4f9vcrJ0Be7dolRl2lWFgMlENBtW2D4z+vK4ejwMa2S k+tGlgkzeit1zmxV2lkcBC4w/37p9/FI1i+LJYhp0TFTP79crN7YeS5ThlJT9DcxHF +VSTifh3DXzOrLbNOxiTdnF36UTy3C0j1PBWK4U0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728100AbgFSVtC (ORCPT ); Fri, 19 Jun 2020 17:49:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:33638 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728040AbgFSVtC (ORCPT ); Fri, 19 Jun 2020 17:49:02 -0400 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 D4841221F2; Fri, 19 Jun 2020 21:49:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592603341; bh=Xzr/+QfY6CtZJxt8lOGxsNXu9vgdJe1YUoiDmUaj8tc=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=CDDEq/aBaRT7m7+Szx1dQselTg/zpsaKdPelKvdR87PO/tSF1nRFFRUjRNphv6BKq hF/9tUveikVRHShVvD4vKnOsZixuMKblvlVQ3IPMWgWfDYJb5UdfMDrUyM6vGmGW/a Y48133UPY+dibAPtUcB64wn/Hm0rxaY5HJh0pzVU= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 74B913522B50; Fri, 19 Jun 2020 14:49:01 -0700 (PDT) Date: Fri, 19 Jun 2020 14:49:01 -0700 From: "Paul E. McKenney" To: Marco Elver Cc: will@kernel.org, peterz@infradead.org, bp@alien8.de, tglx@linutronix.de, mingo@kernel.org, dvyukov@google.com, cai@lca.pw, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] kcsan: Re-add GCC support, and compiler flags improvements Message-ID: <20200619214901.GA12084@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20200618093118.247375-1-elver@google.com> <20200619032530.GI2723@paulmck-ThinkPad-P72> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200619032530.GI2723@paulmck-ThinkPad-P72> 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 Thu, Jun 18, 2020 at 08:25:30PM -0700, Paul E. McKenney wrote: > On Thu, Jun 18, 2020 at 11:31:15AM +0200, Marco Elver wrote: > > Re-add GCC as a supported compiler and clean up compiler flags. > > > > To use KCSAN with GCC before GCC 11 is released, the following will get > > a stable GCC 10 and cherry-pick the patches required for KCSAN support: > > > > git clone git://gcc.gnu.org/git/gcc.git && cd gcc > > git checkout -b gcc-10-for-kcsan releases/gcc-10.1.0 > > git cherry-pick \ > > 4089df8ef4a63126b0774c39b6638845244c20d2 \ > > ab2789ec507a94f1a75a6534bca51c7b39037ce0 \ > > 06712fc68dc9843d9af7c7ac10047f49d305ad76 > > ./configure --prefix --enable-languages=c,c++ > > make -j$(nproc) && make install > > Unless there are objections, I will pull this in Friday (tomorrow) > afternoon, Pacific Time. Hearing no objections, queued and pushd, thank you! Thanx, Paul > > Marco Elver (3): > > kcsan: Re-add GCC as a supported compiler > > kcsan: Simplify compiler flags > > kcsan: Disable branch tracing in core runtime > > > > Documentation/dev-tools/kcsan.rst | 3 ++- > > kernel/kcsan/Makefile | 4 ++-- > > lib/Kconfig.kcsan | 3 ++- > > scripts/Makefile.kcsan | 2 +- > > 4 files changed, 7 insertions(+), 5 deletions(-) > > > > -- > > 2.27.0.290.gba653c62da-goog > >