tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 95065cb54210eba86bed10cb2118041524d54573 commit: 62a8cb0cbbfeaa91e121dba62530b958728afb1b [2777/7280] EDAC/igen6: Add EDAC driver for Intel client SoCs using IBECC config: x86_64-randconfig-s031-20201123 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-134-gb59dbdaf-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=62a8cb0cbbfeaa91e121dba62530b958728afb1b 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 62a8cb0cbbfeaa91e121dba62530b958728afb1b # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot "sparse warnings: (new ones prefixed by >>)" >> drivers/edac/igen6_edac.c:167:1: sparse: sparse: symbol 'ecclog_llist' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org