From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756050AbdKCPue (ORCPT ); Fri, 3 Nov 2017 11:50:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51728 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754823AbdKCPuc (ORCPT ); Fri, 3 Nov 2017 11:50:32 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com D521B80C26 Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=jpoimboe@redhat.com Date: Fri, 3 Nov 2017 10:50:27 -0500 From: Josh Poimboeuf To: kbuild test robot Cc: Andy Lutomirski , kbuild-all@01.org, linux-kernel@vger.kernel.org, tipbuild@zytor.com, Ingo Molnar , Borislav Petkov Subject: Re: [tip:x86/asm 24/32] mm/migrate.o: warning: objtool: migrate_misplaced_transhuge_page()+0x71: unreachable instruction Message-ID: <20171103155027.yhypc4tydthaifss@treble> References: <201711031147.52DcMSGJ%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <201711031147.52DcMSGJ%fengguang.wu@intel.com> User-Agent: Mutt/1.6.0.1 (2016-04-01) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Fri, 03 Nov 2017 15:50:32 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 03, 2017 at 11:36:50AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/asm > head: 1e4c4f610f774df6088d7c065b2dd4d22adba698 > commit: da51da189a24bb9b7e2d5a123be096e51a4695a5 [24/32] x86/entry/64: Pass SP0 directly to load_sp0() > config: x86_64-randconfig-in0-11031034 (attached as .config) > compiler: gcc-4.6 (Debian 4.6.4-7) 4.6.4 > reproduce: > git checkout da51da189a24bb9b7e2d5a123be096e51a4695a5 > # save the attached .config to linux build tree > make ARCH=x86_64 > > All warnings (new ones prefixed by >>): > > >> mm/migrate.o: warning: objtool: migrate_misplaced_transhuge_page()+0x71: unreachable instruction I've got a fix for this one coming shortly. -- Josh