Hi LeoLiu-oc, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 04473ee9ed912a16fff0d8846ad565bbf3d63c77 commit: 06ee47aa957617950ebf29f2a9dbb5682233ba4e [3547/3547] cpufreq: ACPI: add ITMT support when CPPC enabled config: x86_64-randconfig-006-20251216 (https://download.01.org/0day-ci/archive/20251221/202512210018.ZcEdgI6o-lkp@i...) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251221/202512210018.ZcEdgI6o-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512210018.ZcEdgI6o-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/cpufreq/acpi-cpufreq.c:638:13: warning: 'sched_set_itmt' defined but not used [-Wunused-function] 638 | static void sched_set_itmt(void) | ^~~~~~~~~~~~~~

vim +/sched_set_itmt +638 drivers/cpufreq/acpi-cpufreq.c 637

638 static void sched_set_itmt(void) 639 { 640 schedule_work(&sched_itmt_work); 641 } 642

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