Hi Rafael, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 69119673bd50b176ded34032fadd41530fb5af21 commit: 3000ce3c52f8b8db093e4dc649cd172390f71137 cpufreq: Use per-policy frequency QoS date: 8 months ago config: ia64-randconfig-r005-20200617 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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 git checkout 3000ce3c52f8b8db093e4dc649cd172390f71137 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/acpi/processor_thermal.c: In function 'cpu_has_cpufreq': 66 | } | ^ vim +66 drivers/acpi/processor_thermal.c 2815ab92ba3ab2 Andi Kleen 2012-02-06 59 ^1da177e4c3f41 Linus Torvalds 2005-04-16 60 static int cpu_has_cpufreq(unsigned int cpu) ^1da177e4c3f41 Linus Torvalds 2005-04-16 61 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 62 struct cpufreq_policy policy; d15ce412737acc Viresh Kumar 2019-08-28 63 if (!acpi_processor_cpufreq_init || cpufreq_get_policy(&policy, cpu)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 64 return 0; 75b245b3259133 Thomas Renninger 2005-12-21 65 return 1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 @66 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 67 :::::: The code at line 66 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org