From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752000AbcGQCZ7 (ORCPT ); Sat, 16 Jul 2016 22:25:59 -0400 Received: from mga11.intel.com ([192.55.52.93]:64285 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751820AbcGQCZ5 (ORCPT ); Sat, 16 Jul 2016 22:25:57 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,376,1464678000"; d="gz'50?scan'50,208,50";a="1018295379" Date: Sun, 17 Jul 2016 10:25:24 +0800 From: kbuild test robot Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List Subject: core.c:undefined reference to `fpu_save' Message-ID: <201607171023.EoaBjTIg%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="wac7ysb48OaltWcw" Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --wac7ysb48OaltWcw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, It's probably a bug fix that unveils the link errors. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 47ef4ad2684d380dd6d596140fb79395115c3950 commit: c60f169202c7643991a8b4bfeea60e06843d5b5a arch/mn10300/kernel/fpu-nofpu.c: needs asm/elf.h date: 4 months ago config: mn10300-allnoconfig (attached as .config) compiler: am33_2.0-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout c60f169202c7643991a8b4bfeea60e06843d5b5a # save the attached .config to linux build tree make.cross ARCH=mn10300 All errors (new ones prefixed by >>): kernel/built-in.o: In function `.L412': >> core.c:(.sched.text+0x257): undefined reference to `fpu_save' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --wac7ysb48OaltWcw Content-Type: application/octet-stream Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICPrrilcAAy5jb25maWcArVtbk9s6jn4/v0Kb7ENSNUn6kmTm7FQ/UBRl8VgSFZGyu3tr S+W41d2u+DaWfU763y9ISm3JAp15mFQlsQUIJEEQ+ADCb39765HDfrOa7Rfz2XL54j1V62o3 21cP3uNiWf3TC4SXCuWxgKuPwBwv1oefn1bry4vriwvv88cvHy+8cbVbV0uPbtaPi6cDvLzY rH97+xsVachHZZIa3puX9gFJrq/LK/j+1us+ufYWtbfe7L262vdIn8urLqkVmxRdEREfRQlL UBlpkRBEQj6VLClHLGU5p6XMeBoLOj7Os6VQEnM/J4qVAYvJ3ZAhmjIYXR0J3wpOxzGXnUck p1EZEVnyWIyuyuK6p4BIqCwuRiXNCmSiAQubT0bmm0/LxfdPq83DYVnVn/67SEnCypzFjEj2 6ePc7MKb32AD3nojs5lLLeywPW6Jn4sxS0uRljLJjnPkKVclSycwWT1UwtXN9VVLpLmQsqQi yXjMbt68OU6+eVYqJhUye1AqiScsl1ykvfe6hJIUSuBLJ0WsQEFS6XXevHm33qyr9x0x8k5O 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