From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (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 2D1242F2D for ; Thu, 22 Sep 2022 11:27:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663846046; x=1695382046; h=date:from:to:cc:subject:message-id:mime-version; bh=FgJ9nNz/vzLaS4WX2fhDFxkYknwbFT4sEjE+pFd9WeI=; b=TZMZm/rWA5F7VPrQ+Mddjl/EPakB/T3A6x7AMFXtao9ft2G145QhEkf8 ylVJDAHFI49k01x8VZbsdIML/XK8g9IWrjRdCJ7xpIX3fCxJ8EffoU3Y1 XP+KaZRRl0inD9bK1sxTQxIqwKHP+0YW83ekf9HQAU8FKzpau+/X3tF6z 0ebtAKtZS2QPShhyMvtFJDo5c7XMR+eHcs9xeqN0YA3DB7ZYwio4Sff0N 7fJUI/7Fw4g5W0c7LyJlEdxjD1fggmh7Fh/4EGG4WNOueTdGsb7XyL0Tx hVaNusajC/5sNL7cKJJ8bSXPqcMyZ5KTfsvRsI5obKYTBdhJD2LeVyjbE w==; X-IronPort-AV: E=McAfee;i="6500,9779,10477"; a="386558775" X-IronPort-AV: E=Sophos;i="5.93,335,1654585200"; d="scan'208";a="386558775" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2022 04:27:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,335,1654585200"; d="scan'208";a="652932094" Received: from lkp-server01.sh.intel.com (HELO c0a60f19fe7e) ([10.239.97.150]) by orsmga001.jf.intel.com with ESMTP; 22 Sep 2022 04:27:22 -0700 Received: from kbuild by c0a60f19fe7e with local (Exim 4.96) (envelope-from ) id 1obKMU-0004eg-09; Thu, 22 Sep 2022 11:27:22 +0000 Date: Thu, 22 Sep 2022 19:26:59 +0800 From: kernel test robot To: Mark Rutland Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Ammar Faizi , GNU/Weeb Mailing List , linux-kernel@vger.kernel.org, Catalin Marinas , Ard Biesheuvel Subject: [ammarfaizi2-block:arm64/linux/for-next/alternatives 7/9] arch/arm64/include/asm/alternative-macros.h:224:2: error: call to undeclared function 'BUILD_BUG_ON'; ISO C99 and later do not support implicit function declarations Message-ID: <202209221916.DuPaZviq-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 tree: https://github.com/ammarfaizi2/linux-block arm64/linux/for-next/alternatives head: 0072dc1b53c39fb7c4cfc5c9e5d5a30622198613 commit: 21fb26bfb01ffe0d9a9a967ffe061092128bbffe [7/9] arm64: alternatives: add alternative_has_feature_*() config: arm64-buildonly-randconfig-r006-20220921 (https://download.01.org/0day-ci/archive/20220922/202209221916.DuPaZviq-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/ammarfaizi2/linux-block/commit/21fb26bfb01ffe0d9a9a967ffe061092128bbffe git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block arm64/linux/for-next/alternatives git checkout 21fb26bfb01ffe0d9a9a967ffe061092128bbffe # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot Note: the ammarfaizi2-block/arm64/linux/for-next/alternatives HEAD 0072dc1b53c39fb7c4cfc5c9e5d5a30622198613 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): In file included from kernel/bounds.c:10: In file included from include/linux/page-flags.h:10: In file included from include/linux/bug.h:5: In file included from arch/arm64/include/asm/bug.h:26: In file included from include/asm-generic/bug.h:5: In file included from include/linux/compiler.h:248: In file included from arch/arm64/include/asm/rwonce.h:11: >> arch/arm64/include/asm/alternative-macros.h:224:2: error: call to undeclared function 'BUILD_BUG_ON'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] BUILD_BUG_ON(feature >= ARM64_NCAPS); ^ arch/arm64/include/asm/alternative-macros.h:241:2: error: call to undeclared function 'BUILD_BUG_ON'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] BUILD_BUG_ON(feature >= ARM64_NCAPS); ^ 2 errors generated. make[2]: *** [scripts/Makefile.build:117: kernel/bounds.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1205: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:222: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/BUILD_BUG_ON +224 arch/arm64/include/asm/alternative-macros.h 220 221 static __always_inline bool 222 alternative_has_feature_likely(unsigned long feature) 223 { > 224 BUILD_BUG_ON(feature >= ARM64_NCAPS); 225 226 asm_volatile_goto( 227 ALTERNATIVE("b %l[l_no]", "nop", %[feature]) 228 : 229 : [feature] "i" (feature) 230 : 231 : l_no); 232 233 return true; 234 l_no: 235 return false; 236 } 237 -- 0-DAY CI Kernel Test Service https://01.org/lkp