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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 470B8C433EF for ; Wed, 19 Jan 2022 18:40:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355492AbiASSkU (ORCPT ); Wed, 19 Jan 2022 13:40:20 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:49478 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242765AbiASSkT (ORCPT ); Wed, 19 Jan 2022 13:40:19 -0500 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 dfw.source.kernel.org (Postfix) with ESMTPS id 68FA261670 for ; Wed, 19 Jan 2022 18:40:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 985DEC004E1; Wed, 19 Jan 2022 18:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642617618; bh=16rUYPVIxG/FpfX2CQP2pr3OXFXQnCb7qk/r/7eQXvs=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=p0hIiW6G8T7OR6f/hlueGY34fzIYHFoBoJfxXRNa+jFFWwpvcJOaDDpsIXLVsZ6U4 gVL//sRhVuY3S63xIQxXJF6zHdgZKxr5Ofzo76AIFyF31/xapU0RFrZ/ex6gm81A1n yK4mGA2MeBdAuTFEianfLtprGMSixTUazWLXxeLj+cr3k8yFgYr3fdgNiwAk+Q+2Ee gtM1wCT7S4sU6ZUjGHx8ESmzbkyR1GMlZW4C59pbnVzaNQ9rwDsWNeOnv0kG5QP81t JZPKSQH2KGJfxXCZF7nrBy3thOXBZ+ja9dARUEBPuqZ8+jm30fi6UIY47bcmpJd3tz 0k69JntrlI9+A== Date: Wed, 19 Jan 2022 10:40:17 -0800 From: Jakub Kicinski To: Borislav Petkov Cc: kernel test robot , "Paul E. McKenney" , kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: Re: vmlinux.o: warning: objtool: do_machine_check()+0x5fa: call to memset() leaves .noinstr.text section Message-ID: <20220119104017.31e5ecc7@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> In-Reply-To: References: <202110261614.Bt8EM6Nj-lkp@intel.com> <20220119102250.7e20b3df@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 19 Jan 2022 19:34:24 +0100 Borislav Petkov wrote: > On Wed, Jan 19, 2022 at 10:22:50AM -0800, Jakub Kicinski wrote: > > I was hoping that 5.17 would fix this but I just merged Linus's tree > > with netdev today and the warnings are still there :( > > Hmm, weird. The set which is supposed to address this got merged last > week: > > 7e740ae63504 ("Merge tag 'ras_core_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") > > How exactly can I reproduce what you're seeing? > > I need to merge which commit into which branch and then use which > .config to reproduce? allmodconfig Merge: 1d1df41c5a33 ff9fc0a31d85 1d1df41c5a33 is linux/master ff9fc0a31d85 is git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git master I see: vmlinux.o: warning: objtool: mce_start()+0x5e: call to __kasan_check_write() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_gather_info()+0x5f: call to v8086_mode.isra.1() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_read_aux()+0x8a: call to mca_msr_reg() leaves .noinstr.text section vmlinux.o: warning: objtool: do_machine_check()+0x196: call to mce_no_way_out() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_severity_amd.constprop.1()+0xd1: call to mce_severity_amd_smca.isra.0() leaves .noinstr.text section Let me try again with a clean check out.