tree: https://github.com/curro/linux intel_pstate-vlp-v3 head: 320f232d1770592e468b87a378dc08ede8f654dc commit: 38a4edd698dc7ea425825088702686ee52294192 [7/16] cpufreq: intel_pstate: Implement VLP controller statistics and target range calculation. :::::: branch date: 8 days ago :::::: commit date: 8 days ago config: x86_64-randconfig-s022-20200914 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-191-g10164920-dirty git checkout 38a4edd698dc7ea425825088702686ee52294192 # 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 <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/cpufreq/intel_pstate.c: note: in included file (through drivers/cpufreq/../../kernel/sched/sched.h): include/asm-generic/vmlinux.lds.h:299:9: sparse: sparse: preprocessor token ACPI_PROBE_TABLE redefined drivers/cpufreq/intel_pstate.c: note: in included file: # https://github.com/curro/linux/commit/38a4edd698dc7ea425825088702686ee522... git remote add curro https://github.com/curro/linux git fetch --no-tags curro intel_pstate-vlp-v3 git checkout 38a4edd698dc7ea425825088702686ee52294192 vim +1177 include/linux/acpi.h e647b532275bb3 Marc Zyngier 2015-09-28 1154 8ebf642f3d809b Oscar Carter 2020-05-30 1155 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 8ebf642f3d809b Oscar Carter 2020-05-30 1156 valid, data, fn) \ e647b532275bb3 Marc Zyngier 2015-09-28 1157 static const struct acpi_probe_entry __acpi_probe_##name \ 8ebf642f3d809b Oscar Carter 2020-05-30 1158 __used __section(__##table##_acpi_probe_table) = { \ e647b532275bb3 Marc Zyngier 2015-09-28 1159 .id = table_id, \ e647b532275bb3 Marc Zyngier 2015-09-28 1160 .type = subtable, \ e647b532275bb3 Marc Zyngier 2015-09-28 1161 .subtable_valid = valid, \ 8ebf642f3d809b Oscar Carter 2020-05-30 1162 .probe_table = fn, \ e647b532275bb3 Marc Zyngier 2015-09-28 1163 .driver_data = data, \ e647b532275bb3 Marc Zyngier 2015-09-28 1164 } e647b532275bb3 Marc Zyngier 2015-09-28 1165 89778093d38d54 Oscar Carter 2020-05-30 1166 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 89778093d38d54 Oscar Carter 2020-05-30 1167 subtable, valid, data, fn) \ 89778093d38d54 Oscar Carter 2020-05-30 1168 static const struct acpi_probe_entry __acpi_probe_##name \ 89778093d38d54 Oscar Carter 2020-05-30 1169 __used __section(__##table##_acpi_probe_table) = { \ 89778093d38d54 Oscar Carter 2020-05-30 1170 .id = table_id, \ 89778093d38d54 Oscar Carter 2020-05-30 1171 .type = subtable, \ 89778093d38d54 Oscar Carter 2020-05-30 1172 .subtable_valid = valid, \ 89778093d38d54 Oscar Carter 2020-05-30 1173 .probe_subtbl = fn, \ e647b532275bb3 Marc Zyngier 2015-09-28 1174 .driver_data = data, \ e647b532275bb3 Marc Zyngier 2015-09-28 1175 } e647b532275bb3 Marc Zyngier 2015-09-28 1176 e647b532275bb3 Marc Zyngier 2015-09-28 @1177 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table e647b532275bb3 Marc Zyngier 2015-09-28 1178 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end e647b532275bb3 Marc Zyngier 2015-09-28 1179 :::::: The code at line 1177 was first introduced by commit :::::: e647b532275bb357e87272e052fccf5fcdb36a17 ACPI: Add early device probing infrastructure :::::: TO: Marc Zyngier <Marc.Zyngier(a)arm.com&gt; :::::: CC: Rafael J. Wysocki <rafael.j.wysocki(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org