Hi Mario, kernel test robot noticed the following build errors: [auto build test ERROR on rafael-pm/linux-next] [also build test ERROR on rafael-pm/bleeding-edge linus/master v6.12-rc5 next-20241031] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/ACPI-processor-Move-arch_init_invariance_cppc-call-later/20241030-015107 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20241029174910.600482-1-superm1%40kernel.org patch subject: [PATCH] ACPI: processor: Move arch_init_invariance_cppc() call later config: i386-randconfig-141-20241031 (https://download.01.org/0day-ci/archive/20241031/202410311924.XtRR5d9M-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241031/202410311924.XtRR5d9M-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410311924.XtRR5d9M-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/acpi/processor_driver.c:273:2: error: call to undeclared function 'arch_init_invariance_cppc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 273 | arch_init_invariance_cppc(); | ^ 1 error generated. vim +/arch_init_invariance_cppc +273 drivers/acpi/processor_driver.c 239 240 /* 241 * We keep the driver loaded even when ACPI is not running. 242 * This is needed for the powernow-k8 driver, that works even without 243 * ACPI, but needs symbols from this driver 244 */ 245 static enum cpuhp_state hp_online; 246 static int __init acpi_processor_driver_init(void) 247 { 248 int result = 0; 249 250 if (acpi_disabled) 251 return 0; 252 253 if (!cpufreq_register_notifier(&acpi_processor_notifier_block, 254 CPUFREQ_POLICY_NOTIFIER)) { 255 acpi_processor_cpufreq_init = true; 256 acpi_processor_ignore_ppc_init(); 257 } 258 259 result = driver_register(&acpi_processor_driver); 260 if (result < 0) 261 return result; 262 263 result = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, 264 "acpi/cpu-drv:online", 265 acpi_soft_cpu_online, NULL); 266 if (result < 0) 267 goto err; 268 hp_online = result; 269 cpuhp_setup_state_nocalls(CPUHP_ACPI_CPUDRV_DEAD, "acpi/cpu-drv:dead", 270 NULL, acpi_soft_cpu_dead); 271 272 acpi_processor_throttling_init(); > 273 arch_init_invariance_cppc(); 274 return 0; 275 err: 276 driver_unregister(&acpi_processor_driver); 277 return result; 278 } 279 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
