Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/perf/core] [also build test WARNING on tip/auto-latest linus/master linux/master v5.7-rc7 next-20200528] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/alexander-antonov-linux-intel-com/perf-x86-Exposing-IO-stack-to-IO-PMON-mapping-through-sysfs/20200525-160819 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git c50c75e9b87946499a62bffc021e95c87a1d57cd config: i386-randconfig-r003-20200528 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot All warnings (new ones prefixed by >>, old ones prefixed by <<): >> arch/x86/events/intel/uncore_snbep.c:3737:1: warning: 'static' is not at beginning of declaration [-Wold-style-declaration] 3737 | const static struct attribute_group *skx_iio_attr_update[] = { | ^~~~~ vim +/static +3737 arch/x86/events/intel/uncore_snbep.c 3736 > 3737 const static struct attribute_group *skx_iio_attr_update[] = { 3738 &skx_iio_mapping_group, 3739 NULL, 3740 }; 3741 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org