Hi Huisong, kernel test robot noticed the following build warnings: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on rafael-pm/bleeding-edge linus/master v6.16-rc7 next-20250723] [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/Huisong-Li/ACPI-processor-idle-Fix-resource-leak-and-potential-concurrent-in-acpi_processor_power_init/20250723-201246 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20250723121034.3685996-1-lihuisong%40huawei.com patch subject: [PATCH v2] ACPI: processor: idle: Fix resource leak and potential concurrent in acpi_processor_power_init() config: i386-buildonly-randconfig-001-20250724 (https://download.01.org/0day-ci/archive/20250724/202507240807.1ild86sv-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250724/202507240807.1ild86sv-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/202507240807.1ild86sv-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/acpi/processor_core.c:15: >> include/acpi/processor.h:452:13: warning: 'acpi_processor_unregister_idle_driver' defined but not used [-Wunused-function] 452 | static void acpi_processor_unregister_idle_driver(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> include/acpi/processor.h:448:12: warning: 'acpi_processor_register_idle_driver' defined but not used [-Wunused-function] 448 | static int acpi_processor_register_idle_driver(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/acpi_processor_unregister_idle_driver +452 include/acpi/processor.h 443 444 static inline int acpi_processor_hotplug(struct acpi_processor *pr) 445 { 446 return -ENODEV; 447 } > 448 static int acpi_processor_register_idle_driver(void) 449 { 450 return -ENODEV; 451 } > 452 static void acpi_processor_unregister_idle_driver(void) 453 { 454 } 455 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 456 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
