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 98041C433F5 for ; Sat, 4 Dec 2021 13:25:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344682AbhLDN3T (ORCPT ); Sat, 4 Dec 2021 08:29:19 -0500 Received: from mga07.intel.com ([134.134.136.100]:37982 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229957AbhLDN3S (ORCPT ); Sat, 4 Dec 2021 08:29:18 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10187"; a="300504617" X-IronPort-AV: E=Sophos;i="5.87,287,1631602800"; d="scan'208";a="300504617" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2021 05:25:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,287,1631602800"; d="scan'208";a="461264727" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 04 Dec 2021 05:25:51 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mtV30-000J2a-I7; Sat, 04 Dec 2021 13:25:50 +0000 Date: Sat, 4 Dec 2021 21:25:11 +0800 From: kernel test robot To: Mark Rutland Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [mark:linkage/alias-rework 5/5] arch/x86/lib/memset_64.S:27: multiple definition of `memset'; mm/kasan/shadow.o:mm/kasan/shadow.c:43: first defined here Message-ID: <202112042133.KForMaM9-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git linkage/alias-rework head: 237447148f41ca99a7b980037060b7a6f3afe535 commit: 237447148f41ca99a7b980037060b7a6f3afe535 [5/5] x86: remove SYM_FUNC_START_WEAK() config: x86_64-randconfig-m001-20211203 (https://download.01.org/0day-ci/archive/20211204/202112042133.KForMaM9-lkp@intel.com/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/mark/linux.git/commit/?id=237447148f41ca99a7b980037060b7a6f3afe535 git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git git fetch --no-tags mark linkage/alias-rework git checkout 237447148f41ca99a7b980037060b7a6f3afe535 # save the config file 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 errors (new ones prefixed by >>): ld: arch/x86/lib/memset_64.o: in function `__memset': >> arch/x86/lib/memset_64.S:27: multiple definition of `memset'; mm/kasan/shadow.o:mm/kasan/shadow.c:43: first defined here vim +27 arch/x86/lib/memset_64.S 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 8 ^1da177e4c3f415 arch/x86_64/lib/memset.S Linus Torvalds 2005-04-16 9 /* 2f19e06ac30771c arch/x86/lib/memset_64.S Fenghua Yu 2011-05-17 10 * ISO C memset - set a memory block to a byte value. This function uses fast 2f19e06ac30771c arch/x86/lib/memset_64.S Fenghua Yu 2011-05-17 11 * string to get better performance than the original function. The code is 6a6256f9e0ebaab arch/x86/lib/memset_64.S Adam Buchbinder 2016-02-23 12 * simpler and shorter than the original function as well. ^1da177e4c3f415 arch/x86_64/lib/memset.S Linus Torvalds 2005-04-16 13 * ^1da177e4c3f415 arch/x86_64/lib/memset.S Linus Torvalds 2005-04-16 14 * rdi destination ^1da177e4c3f415 arch/x86_64/lib/memset.S Linus Torvalds 2005-04-16 15 * rsi value (char) ^1da177e4c3f415 arch/x86_64/lib/memset.S Linus Torvalds 2005-04-16 16 * rdx count (bytes) ^1da177e4c3f415 arch/x86_64/lib/memset.S Linus Torvalds 2005-04-16 17 * ^1da177e4c3f415 arch/x86_64/lib/memset.S Linus Torvalds 2005-04-16 18 * rax original destination ^1da177e4c3f415 arch/x86_64/lib/memset.S Linus Torvalds 2005-04-16 19 */ 6dcc5627f6aec4c arch/x86/lib/memset_64.S Jiri Slaby 2019-10-11 20 SYM_FUNC_START(__memset) 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 21 /* 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 22 * Some CPUs support enhanced REP MOVSB/STOSB feature. It is recommended 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 23 * to use it when possible. If not available, use fast string instructions. 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 24 * 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 25 * Otherwise, use original memset function. 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 26 */ 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 @27 ALTERNATIVE_2 "jmp memset_orig", "", X86_FEATURE_REP_GOOD, \ 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 28 "jmp memset_erms", X86_FEATURE_ERMS 84d95ad4cb9015e arch/x86/lib/memset_64.S Borislav Petkov 2015-02-04 29 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 30 movq %rdi,%r9 5d7244e7c984cec arch/x86/lib/memset_64.S Jan Beulich 2012-01-05 31 movq %rdx,%rcx 5d7244e7c984cec arch/x86/lib/memset_64.S Jan Beulich 2012-01-05 32 andl $7,%edx 5d7244e7c984cec arch/x86/lib/memset_64.S Jan Beulich 2012-01-05 33 shrq $3,%rcx 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 34 /* expand byte value */ 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 35 movzbl %sil,%esi 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 36 movabs $0x0101010101010101,%rax 5d7244e7c984cec arch/x86/lib/memset_64.S Jan Beulich 2012-01-05 37 imulq %rsi,%rax 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 38 rep stosq 5d7244e7c984cec arch/x86/lib/memset_64.S Jan Beulich 2012-01-05 39 movl %edx,%ecx 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 40 rep stosb 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 41 movq %r9,%rax 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 42 ret 6dcc5627f6aec4c arch/x86/lib/memset_64.S Jiri Slaby 2019-10-11 43 SYM_FUNC_END(__memset) 784d5699eddc558 arch/x86/lib/memset_64.S Al Viro 2016-01-11 44 EXPORT_SYMBOL(__memset) 8d379dad8f1670d arch/x86_64/lib/memset.S Jan Beulich 2006-09-26 45 :::::: The code at line 27 was first introduced by commit :::::: 84d95ad4cb9015ea953bf14cea05ba371d4d42bb x86/lib/memset_64.S: Convert to ALTERNATIVE_2 macro :::::: TO: Borislav Petkov :::::: CC: Borislav Petkov --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org