[kbuild-all] error: unknown target CPU 'loongson2f'

CC: linux-kernel(a)vger.kernel.org TO: Nathan Chancellor <nathan(a)kernel.org&gt; CC: Thomas Bogendoerfer <tsbogend(a)alpha.franken.de&gt; Hi Nathan, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 555f3d7be91a873114c9656069f1a9fa476ec41a commit: 13ceb48bc19c563e05f407e663aaa4105fdfd408 MIPS: Loongson2ef: Remove unnecessary {as,cc}-option calls date: 9 weeks ago config: mips-randconfig-c004-20220208 (https://download.01.org/0day-ci/archive/20220208/202202082104.nV3FQTR5-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494) 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-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 13ceb48bc19c563e05f407e663aaa4105fdfd408 # 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=mips prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): clang-15: warning: argument unused during compilation: '-mno-branch-likely' [-Wunused-command-line-argument] note: valid target CPU values are: mips1, mips2, mips3, mips4, mips5, mips32, mips32r2, mips32r3, mips32r5, mips32r6, mips64, mips64r2, mips64r3, mips64r5, mips64r6, octeon, octeon+, p5600 note: valid target CPU values are: mips1, mips2, mips3, mips4, mips5, mips32, mips32r2, mips32r3, mips32r5, mips32r6, mips64, mips64r2, mips64r3, mips64r5, mips64r6, octeon, octeon+, p5600 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:419: 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, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org