Hi Shiju, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on v5.6] [also build test WARNING on next-20200408] [cannot apply to pm/linux-next pci/next linus/master linux/master] [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/Shiju-Jose/ACPI-APEI-Add-support-to-notify-non-fatal-HW-errors/20200408-014447 base: 7111951b8d4973bda27ff663f2cf18b663d15b48 reproduce: # apt-get install sparse # sparse version: v0.6.1-188-g79f7ac98-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> drivers/acpi/apei/ghes.c:210:5: sparse: sparse: symbol 'ghes_gdata_pool_init' was not declared. Should it be static? drivers/acpi/apei/ghes.c:715:25: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/acpi/apei/ghes.c:715:25: sparse: struct ghes_estatus_cache [noderef] * drivers/acpi/apei/ghes.c:715:25: sparse: struct ghes_estatus_cache * drivers/acpi/apei/ghes.c:795:25: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/acpi/apei/ghes.c:795:25: sparse: struct ghes_estatus_cache [noderef] * drivers/acpi/apei/ghes.c:795:25: sparse: struct ghes_estatus_cache * 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