tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 0f1fa5848ab32d269a2030caac618bd6a99ab3f3 commit: 24633d901ea44fe99bc9a2d01a3881fa097b78b3 [1082/1262] perf/x86/intel/uncore: Add BW counters for GT, IA and IO breakdown config: x86_64-randconfig-r034-20200817 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): git checkout 24633d901ea44fe99bc9a2d01a3881fa097b78b3 # save the attached .config to linux build tree make W=1 ARCH=x86_64 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 >>): 441 | [SNB_PCI_UNCORE_IMC_DATA_READS] = { SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE, | ^ arch/x86/events/intel/uncore_snb.c:441:37: note: (near initialization for 'snb_uncore_imc_freerunning[0]') # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 24633d901ea44fe99bc9a2d01a3881fa097b78b3 vim +441 arch/x86/events/intel/uncore_snb.c 437 438 static struct freerunning_counters snb_uncore_imc_freerunning[] = { 439 [SNB_PCI_UNCORE_IMC_DATA_READS] = { SNB_UNCORE_PCI_IMC_DATA_READS_BASE, 440 0x0, 0x0, 1, 32 }, 442 0x0, 0x0, 1, 32 }, 443 [SNB_PCI_UNCORE_IMC_GT_REQUESTS] = { SNB_UNCORE_PCI_IMC_GT_REQUESTS_BASE, 444 0x0, 0x0, 1, 32 }, 445 [SNB_PCI_UNCORE_IMC_IA_REQUESTS] = { SNB_UNCORE_PCI_IMC_IA_REQUESTS_BASE, 446 0x0, 0x0, 1, 32 }, 447 [SNB_PCI_UNCORE_IMC_IO_REQUESTS] = { SNB_UNCORE_PCI_IMC_IO_REQUESTS_BASE, 448 0x0, 0x0, 1, 32 }, 449 }; 450 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org