Hi Yicong, kernel test robot noticed the following build warnings:
[auto build test WARNING on arm64/for-next/core] [also build test WARNING on powerpc/next powerpc/fixes driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus linus/master tip/x86/core v6.12-rc3 next-20241015] [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/Yicong-Yang/cpu-SMT-Provide-a-default-topology_is_primary_thread/20241015-102147 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20241015021841.35713-3-yangyicong%40huawei.com patch subject: [PATCH v6 2/4] arch_topology: Support SMT control for OF based system config: arm-randconfig-001-20241016 (https://download.01.org/0day-ci/archive/20241016/202410161038.wvtopmnt-...@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241016/202410161038.wvtopmnt-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410161038.wvtopmnt-...@intel.com/ All warnings (new ones prefixed by >>): >> drivers/base/arch_topology.c:32:21: warning: 'max_smt_thread_num' defined >> but not used [-Wunused-variable] 32 | static unsigned int max_smt_thread_num; | ^~~~~~~~~~~~~~~~~~ vim +/max_smt_thread_num +32 drivers/base/arch_topology.c 28 29 static DEFINE_PER_CPU(struct scale_freq_data __rcu *, sft_data); 30 static struct cpumask scale_freq_counters_mask; 31 static bool scale_freq_invariant; > 32 static unsigned int max_smt_thread_num; 33 DEFINE_PER_CPU(unsigned long, capacity_freq_ref) = 1; 34 EXPORT_PER_CPU_SYMBOL_GPL(capacity_freq_ref); 35 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
