tree: https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v5.16 head: 364c1c42b229912132e1615c2ce15be7154e2156 commit: b841feb1820b7008977aa2684994b5debe450b18 [84/137] ACPI / MPAM: Parse the MPAM table config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220126/202201261729.TYtOlqcK-lk...) compiler: aarch64-linux-gcc (GCC) 11.2.0 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/morse/linux.git/commit/?i... git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git git fetch --no-tags morse mpam/snapshot/v5.16 git checkout b841feb1820b7008977aa2684994b5debe450b18 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/acpi/arm64/ drivers/platform/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 244 | int __init acpi_mpam_parse(void) | ^~~~~~~~~~~~~~~ vim +/acpi_mpam_parse +244 drivers/acpi/arm64/mpam.c 243 245 { 246 struct acpi_table_header *mpam; 247 acpi_status status; 248 int err; 249 250 if (acpi_disabled || !mpam_cpus_have_feature()) 251 return 0; 252 253 status = acpi_get_table(ACPI_SIG_MPAM, 0, &mpam); 254 if (ACPI_FAILURE(status)) 255 return -ENOENT; 256 257 err = _parse_table(mpam); 258 acpi_put_table(mpam); 259 260 return err; 261 } 262 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org