tree: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git fixes head: 2ae14b57fa3e7c783ba36de4965634839d706690 commit: 5ef2d0f973e7b1ff50a12c48b0e8214fdc5e5182 [4/6] s390/cpuinfo: add system topology information config: s390-allnoconfig (attached as .config) compiler: s390-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5ef2d0f973e7b1ff50a12c48b0e8214fdc5e5182 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arch/s390/kernel/processor.c: In function 'show_cpu_topo': >> arch/s390/kernel/processor.c:158:42: error: implicit declaration of function 'topology_book_id'; did you mean 'topology_core_id'? [-Werror=implicit-function-declaration] seq_printf(m, "book id : %d\n", topology_book_id(n)); ^~~~~~~~~~~~~~~~ topology_core_id >> arch/s390/kernel/processor.c:159:42: error: implicit declaration of function 'topology_drawer_id'; did you mean 'topology_die_id'? [-Werror=implicit-function-declaration] seq_printf(m, "drawer id : %d\n", topology_drawer_id(n)); ^~~~~~~~~~~~~~~~~~ topology_die_id cc1: some warnings being treated as errors vim +158 arch/s390/kernel/processor.c 153 154 static void show_cpu_topo(struct seq_file *m, unsigned long n) 155 { 156 seq_printf(m, "physical id : %d\n", topology_physical_package_id(n)); 157 seq_printf(m, "core id : %d\n", topology_core_id(n)); > 158 seq_printf(m, "book id : %d\n", topology_book_id(n)); > 159 seq_printf(m, "drawer id : %d\n", topology_drawer_id(n)); 160 seq_printf(m, "dedicated : %d\n", topology_cpu_dedicated(n)); 161 } 162 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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