Re: [PATCH] arch_topology: Clear LLC sibling when cacheinfo teardown

kernel test robot
2023-03-14T04:27:38Z

config: x86_64-randconfig-a014-20230313 (https://download.01.org/0day-ci/archive/20230314/202303141253.k5dETDoR-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://github.com/intel-lab-lkp/linux/commit/a9aca0a81b31b421e3bbfa08fd205a8bec651afe
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Song-Shuai/arch_topology-Clear-LLC-sibling-when-cacheinfo-teardown/20230313-182946
git checkout a9aca0a81b31b421e3bbfa08fd205a8bec651afe
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303141253.k5dETDoR-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/base/cacheinfo.c:818:2: error: implicit declaration of function 'clear_llc_topology' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
clear_llc_topology(cpu);
^
1 error generated.