From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D3D97B for ; Sun, 20 Feb 2022 16:02:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645372964; x=1676908964; h=date:from:to:cc:subject:message-id:mime-version; bh=9NwTRpNDu/tHD2XIwBr3TAhromGmgxkpOIaxlQGO8Cw=; b=DtudGcMmsz3YdPtnzjrcfmCEI3uN1dhy/v04mmWlo8t6o71IYGDMP0yF 8MAhKueWmVqscOdpk9W2U0K6dEsdXyoGBNvTa0uYoL2k8zwhiR7+lRktV U67F2C0lpW3WcUyezWFQa/iP7WiCSAC7WGSG3kUi1P96b5M77Jn1EZVs3 9JkqHBDZLDeVA7owEaHYprYUgucdQY2VKRiIYqng9VddqcCRS8Pfj+X2d 7UJNEtIJI3fJhy5kvSmDs9oZfQG5vTuBAUp+RNoiQzuC9wyt+4PzYMwQL EsoqtT90AhPzka5PWzFU9CuhfgrpsK43oVyp4MKhedAmuKWtp71JZy6JW g==; X-IronPort-AV: E=McAfee;i="6200,9189,10264"; a="231353986" X-IronPort-AV: E=Sophos;i="5.88,383,1635231600"; d="scan'208";a="231353986" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2022 08:02:43 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,383,1635231600"; d="scan'208";a="682973476" Received: from lkp-server01.sh.intel.com (HELO da3212ac2f54) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 20 Feb 2022 08:02:42 -0800 Received: from kbuild by da3212ac2f54 with local (Exim 4.92) (envelope-from ) id 1nLofZ-0000RQ-GN; Sun, 20 Feb 2022 16:02:41 +0000 Date: Mon, 21 Feb 2022 00:02:29 +0800 From: kernel test robot To: Peter Zijlstra Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [peterz-queue:x86/wip.ibt 19/31] arch/x86/kernel/alternative.c:761:16: error: expected string literal in 'asm' Message-ID: <202202202357.ldfBr75W-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt head: fecdb8a84191710ffe01c9492fceb34a15f1576a commit: 97e04204b3c4f0515f956be22a19229878b9253e [19/31] x86/ibt: Annotate text references config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220220/202202202357.ldfBr75W-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=97e04204b3c4f0515f956be22a19229878b9253e git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue x86/wip.ibt git checkout 97e04204b3c4f0515f956be22a19229878b9253e # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 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 >>): arch/x86/kernel/alternative.c:716:2: error: expected ')' ANNOTATE_NOENDBR ^ arch/x86/kernel/alternative.c:712:5: note: to match this '(' asm ( ^ >> arch/x86/kernel/alternative.c:761:16: error: expected string literal in 'asm' asm volatile (ANNOTATE_NOENDBR ^ 2 errors generated. vim +/asm +761 arch/x86/kernel/alternative.c 743 744 static void __init int3_selftest(void) 745 { 746 static __initdata struct notifier_block int3_exception_nb = { 747 .notifier_call = int3_exception_notify, 748 .priority = INT_MAX-1, /* last */ 749 }; 750 unsigned int val = 0; 751 752 BUG_ON(register_die_notifier(&int3_exception_nb)); 753 754 /* 755 * Basically: int3_magic(&val); but really complicated :-) 756 * 757 * Stick the address of the INT3 instruction into int3_selftest_ip, 758 * then trigger the INT3, padded with NOPs to match a CALL instruction 759 * length. 760 */ > 761 asm volatile (ANNOTATE_NOENDBR 762 "1: int3; nop; nop; nop; nop\n\t" 763 ".pushsection .init.data,\"aw\"\n\t" 764 ".align " __ASM_SEL(4, 8) "\n\t" 765 ".type int3_selftest_ip, @object\n\t" 766 ".size int3_selftest_ip, " __ASM_SEL(4, 8) "\n\t" 767 "int3_selftest_ip:\n\t" 768 __ASM_SEL(.long, .quad) " 1b\n\t" 769 ".popsection\n\t" 770 : ASM_CALL_CONSTRAINT 771 : __ASM_SEL_RAW(a, D) (&val) 772 : "memory"); 773 774 BUG_ON(val != 1); 775 776 unregister_die_notifier(&int3_exception_nb); 777 } 778 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org