clang-15: error: unknown argument: '-mr10k-cache-barrier=store'

From: kernel test robot <lkp@intel.com>
Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev
Subject: clang-15: error: unknown argument: '-mr10k-cache-barrier=store'
Date: Sat, 18 Jun 2022 05:42:10 +0800	[thread overview]
Message-ID: <202206180522.hKvNt25Z-lkp@intel.com> (raw)

BCC: lkp@intel.com
CC: linux-kernel@vger.kernel.org
TO: Tiezhu Yang <yangtiezhu@loongson.cn>
CC: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
CC: Nathan Chancellor <nathan@kernel.org>
CC: Masahiro Yamada <masahiroy@kernel.org>

Hi Tiezhu,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4b35035bcf80ddb47c0112c4fbd84a63a2836a18
commit: 048cc2378c2494519d940597629465b3ea44a96f MIPS: SGI-IP22: Remove unnecessary check of GCC option
date:   6 months ago
config: mips-randconfig-r014-20220617 (https://download.01.org/0day-ci/archive/20220618/202206180522.hKvNt25Z-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d764aa7fc6b9cc3fbe960019018f5f9e941eb0a6)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips64-linux-gnuabi64
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=048cc2378c2494519d940597629465b3ea44a96f
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 048cc2378c2494519d940597629465b3ea44a96f
        # 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=mips prepare

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> clang-15: error: unknown argument: '-mr10k-cache-barrier=store'
>> clang-15: error: unknown argument: '-mr10k-cache-barrier=store'
   make[2]: *** [scripts/Makefile.build:121: kernel/bounds.s] Error 1
   make[2]: Target 'missing-syscalls' not remade because of errors.
   make[1]: *** [arch/mips/Makefile:415: archprepare] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:219: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp