tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git intel_pstate-testing head: 16303764deedb814defe7e69712edec6a09b50ad commit: 16303764deedb814defe7e69712edec6a09b50ad [14/14] cpufreq: intel_pstate: Set asymmetric CPU capacity on hybrid systems config: i386-defconfig (https://download.01.org/0day-ci/archive/20240328/202403282240.I0XCTxpL-lkp@xxxxxxxxx/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240328/202403282240.I0XCTxpL-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/202403282240.I0XCTxpL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/cpufreq/intel_pstate.c:963:2: error: call to undeclared function 'arch_set_cpu_capacity'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 963 | arch_set_cpu_capacity(cpu->cpu, cap); | ^ drivers/cpufreq/intel_pstate.c:963:2: note: did you mean 'arch_scale_cpu_capacity'? include/linux/sched/topology.h:267:15: note: 'arch_scale_cpu_capacity' declared here 267 | unsigned long arch_scale_cpu_capacity(int cpu) | ^ drivers/cpufreq/intel_pstate.c:1008:3: error: call to undeclared function 'arch_set_cpu_capacity'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1008 | arch_set_cpu_capacity(max_perf_cpu->cpu, SCHED_CAPACITY_SCALE); | ^ drivers/cpufreq/intel_pstate.c:1014:4: error: call to undeclared function 'arch_set_cpu_capacity'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1014 | arch_set_cpu_capacity(cpunum, SCHED_CAPACITY_SCALE); | ^ drivers/cpufreq/intel_pstate.c:1073:3: error: call to undeclared function 'arch_set_cpu_capacity'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1073 | arch_set_cpu_capacity(cpu->cpu, SCHED_CAPACITY_SCALE); | ^ drivers/cpufreq/intel_pstate.c:1207:2: error: call to undeclared function 'arch_set_cpu_capacity'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1207 | arch_set_cpu_capacity(cpu->cpu, SCHED_CAPACITY_SCALE); | ^ 5 errors generated. vim +/arch_set_cpu_capacity +963 drivers/cpufreq/intel_pstate.c 957 958 static void hybrid_set_cpu_capacity(struct cpudata *cpu) 959 { 960 u64 cap = div_u64((u64)SCHED_CAPACITY_SCALE * cpu->capacity_perf, 961 hybrid_max_perf_cpu->capacity_perf); 962 > 963 arch_set_cpu_capacity(cpu->cpu, cap); 964 } 965 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki