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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09057C433F5 for ; Tue, 26 Oct 2021 08:23:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D716160E96 for ; Tue, 26 Oct 2021 08:23:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234064AbhJZI0N (ORCPT ); Tue, 26 Oct 2021 04:26:13 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:47384 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234042AbhJZI0B (ORCPT ); Tue, 26 Oct 2021 04:26:01 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 78155218F6; Tue, 26 Oct 2021 08:23:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1635236613; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+f/H5/JbtnWcCCCiTOuPEBxaP/SIVVdPJpeDufpk+lo=; b=krcavT+1zZHh1XiXC75HzOfYF6s6JK7epcRObggU7VYhTVAo55CmCS+ROH5vK8vz2og0NX IXIiNHIEq7czKpe9ooqvNYb7sBkgcl8LSFy0aEX1kWXSlKHxFD8tzMrv73OCbkaTPEF53u npO5Yow34ww66hcHti1Qzps0ao4itc0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1635236613; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+f/H5/JbtnWcCCCiTOuPEBxaP/SIVVdPJpeDufpk+lo=; b=ZKnqDdWPQKQGV4RB+i2pRfI2rt8lEuhWK9izW6fw0bPKfDCk3+zIdGNqbk+3Rdcw5l2QJ7 TPN1z+MF8kqaGmBg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 5B45813AEE; Tue, 26 Oct 2021 08:23:33 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id wYK6FQW7d2F1VAAAMHmgww (envelope-from ); Tue, 26 Oct 2021 08:23:33 +0000 Date: Tue, 26 Oct 2021 10:23:30 +0200 From: Borislav Petkov To: kernel test robot Cc: "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: References: <202110261614.Bt8EM6Nj-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <202110261614.Bt8EM6Nj-lkp@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Tue, Oct 26, 2021 at 04:16:21PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 3906fe9bb7f1a2c8667ae54e967dc8690824f4ea > commit: 7bb39313cd6239e7eb95198950a02b4ad2a08316 x86/mce: Make mce_timed_out() identify holdout CPUs > date: 10 months ago > config: x86_64-buildonly-randconfig-r006-20211022 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=1 build): > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bb39313cd6239e7eb95198950a02b4ad2a08316 > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 7bb39313cd6239e7eb95198950a02b4ad2a08316 > # save the attached .config to linux build tree > mkdir build_dir > make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All warnings (new ones prefixed by >>): > >>> vmlinux.o: warning: objtool: do_machine_check()+0x5fa: call to memset() leaves .noinstr.text section if you have the technical capability to ignore all noinstr warnings coming from the mce code, please do so. I have a patchset to address that but more important work preempts me constantly from cleaning it up and sending it out properly. ;-\ -- Regards/Gruss, Boris. SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============0581657866012357237==" MIME-Version: 1.0 From: Borislav Petkov To: kbuild-all@lists.01.org Subject: Re: vmlinux.o: warning: objtool: do_machine_check()+0x5fa: call to memset() leaves .noinstr.text section Date: Tue, 26 Oct 2021 10:23:30 +0200 Message-ID: In-Reply-To: <202110261614.Bt8EM6Nj-lkp@intel.com> List-Id: --===============0581657866012357237== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi, On Tue, Oct 26, 2021 at 04:16:21PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.gi= t master > head: 3906fe9bb7f1a2c8667ae54e967dc8690824f4ea > commit: 7bb39313cd6239e7eb95198950a02b4ad2a08316 x86/mce: Make mce_timed_= out() identify holdout CPUs > date: 10 months ago > config: x86_64-buildonly-randconfig-r006-20211022 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=3D1 build): > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.= git/commit/?id=3D7bb39313cd6239e7eb95198950a02b4ad2a08316 > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/= git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 7bb39313cd6239e7eb95198950a02b4ad2a08316 > # save the attached .config to linux build tree > mkdir build_dir > make W=3D1 O=3Dbuild_dir ARCH=3Dx86_64 SHELL=3D/bin/bash > = > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > = > All warnings (new ones prefixed by >>): > = >>> vmlinux.o: warning: objtool: do_machine_check()+0x5fa: call to memset()= leaves .noinstr.text section if you have the technical capability to ignore all noinstr warnings coming from the mce code, please do so. I have a patchset to address that but more important work preempts me constantly from cleaning it up and sending it out properly. ;-\ -- = Regards/Gruss, Boris. SUSE Software Solutions Germany GmbH, GF: Felix Imend=C3=B6rffer, HRB 36809= , AG N=C3=BCrnberg --===============0581657866012357237==--