tree: https://github.com/thierryreding/linux for-6.1/work head: 729a34072c3a43e35392a34f33849ce419e99e99 commit: 0be9cc83439a494490f3306ead13e6b01c0fbfe2 [113/126] WIP config: arm64-allyesconfig compiler: aarch64-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/thierryreding/linux/commit/0be9cc83439a494490f3306ead13e6b01c0fbfe2 git remote add thierryreding https://github.com/thierryreding/linux git fetch --no-tags thierryreding for-6.1/work git checkout 0be9cc83439a494490f3306ead13e6b01c0fbfe2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from include/linux/device.h:16, from include/linux/node.h:18, from include/linux/cpu.h:17, from drivers/cpufreq/cppc_cpufreq.c:17: drivers/cpufreq/cppc_cpufreq.c: In function 'cppc_cpufreq_register_em': >> drivers/cpufreq/cppc_cpufreq.c:641:32: error: 'cppc_get_cpu_power' undeclared (first use in this function) 641 | EM_ADV_DATA_CB(cppc_get_cpu_power, cppc_get_cpu_cost); | ^~~~~~~~~~~~~~~~~~ include/linux/energy_model.h:164:27: note: in definition of macro 'EM_ADV_DATA_CB' 164 | { .active_power = _active_power_cb, \ | ^~~~~~~~~~~~~~~~ drivers/cpufreq/cppc_cpufreq.c:641:32: note: each undeclared identifier is reported only once for each function it appears in 641 | EM_ADV_DATA_CB(cppc_get_cpu_power, cppc_get_cpu_cost); | ^~~~~~~~~~~~~~~~~~ include/linux/energy_model.h:164:27: note: in definition of macro 'EM_ADV_DATA_CB' 164 | { .active_power = _active_power_cb, \ | ^~~~~~~~~~~~~~~~ >> drivers/cpufreq/cppc_cpufreq.c:641:52: error: 'cppc_get_cpu_cost' undeclared (first use in this function) 641 | EM_ADV_DATA_CB(cppc_get_cpu_power, cppc_get_cpu_cost); | ^~~~~~~~~~~~~~~~~ include/linux/energy_model.h:165:23: note: in definition of macro 'EM_ADV_DATA_CB' 165 | .get_cost = _cost_cb } | ^~~~~~~~ vim +/cppc_get_cpu_power +641 drivers/cpufreq/cppc_cpufreq.c d3c3db41df7e1b Pierre Gondois 2022-04-25 636 740fcdc2c20ecf Pierre Gondois 2022-04-25 637 static void cppc_cpufreq_register_em(struct cpufreq_policy *policy) 740fcdc2c20ecf Pierre Gondois 2022-04-25 638 { 740fcdc2c20ecf Pierre Gondois 2022-04-25 639 struct cppc_cpudata *cpu_data; 740fcdc2c20ecf Pierre Gondois 2022-04-25 640 struct em_data_callback em_cb = 740fcdc2c20ecf Pierre Gondois 2022-04-25 @641 EM_ADV_DATA_CB(cppc_get_cpu_power, cppc_get_cpu_cost); 740fcdc2c20ecf Pierre Gondois 2022-04-25 642 740fcdc2c20ecf Pierre Gondois 2022-04-25 643 cpu_data = policy->driver_data; 740fcdc2c20ecf Pierre Gondois 2022-04-25 644 em_dev_register_perf_domain(get_cpu_device(policy->cpu), 740fcdc2c20ecf Pierre Gondois 2022-04-25 645 get_perf_level_count(policy), &em_cb, 740fcdc2c20ecf Pierre Gondois 2022-04-25 646 cpu_data->shared_cpu_map, 0); 740fcdc2c20ecf Pierre Gondois 2022-04-25 647 } 740fcdc2c20ecf Pierre Gondois 2022-04-25 648 :::::: The code at line 641 was first introduced by commit :::::: 740fcdc2c20ecf855b36b919d7fa1b872b5a7eae cpufreq: CPPC: Register EM based on efficiency class information :::::: TO: Pierre Gondois :::::: CC: Rafael J. Wysocki -- 0-DAY CI Kernel Test Service https://01.org/lkp