tree: https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git devfreq-testing head: 5857e3d1820d85e10321ec180ed88e780fd0ec3e commit: d678890dcdf858c25d2789793a35a81c4311e972 [2/4] PM / devfreq: Add cpu based scaling support to passive governor config: um-allyesconfig (https://download.01.org/0day-ci/archive/20211212/202112120322.6KDmAB1p-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git/commit/... git remote add chanwoo https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git git fetch --no-tags chanwoo devfreq-testing git checkout d678890dcdf858c25d2789793a35a81c4311e972 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from arch/x86/um/asm/processor.h:41, from include/linux/rcupdate.h:30, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from drivers/base/power/main.c:21: 104 | #define cpu_data (&boot_cpu_data) | ^ include/linux/devfreq.h:331:27: note: in expansion of macro 'cpu_data' 331 | struct devfreq_cpu_data *cpu_data[NR_CPUS]; | ^~~~~~~~ In file included from drivers/base/power/main.c:35: include/linux/devfreq.h:332:1: warning: no semicolon at end of struct or union 332 | }; | ^ -- In file included from arch/x86/um/asm/processor.h:41, from include/linux/spinlock_up.h:8, from include/linux/spinlock.h:95, from include/linux/mm_types.h:9, from include/linux/buildid.h:5, from include/linux/module.h:14, from drivers/devfreq/governor_passive.c:10: 104 | #define cpu_data (&boot_cpu_data) | ^ include/linux/devfreq.h:331:27: note: in expansion of macro 'cpu_data' 331 | struct devfreq_cpu_data *cpu_data[NR_CPUS]; | ^~~~~~~~ In file included from drivers/devfreq/governor_passive.c:16: include/linux/devfreq.h:332:1: warning: no semicolon at end of struct or union 332 | }; | ^ In file included from arch/x86/um/asm/processor.h:41, from include/linux/spinlock_up.h:8, from include/linux/spinlock.h:95, from include/linux/mm_types.h:9, from include/linux/buildid.h:5, from include/linux/module.h:14, from drivers/devfreq/governor_passive.c:10: drivers/devfreq/governor_passive.c: In function 'get_target_freq_with_cpufreq': 104 | #define cpu_data (&boot_cpu_data) | ^ drivers/devfreq/governor_passive.c:58:29: note: in expansion of macro 'cpu_data' 58 | parent_cpu_data = p_data->cpu_data[cpu]; | ^~~~~~~~ drivers/devfreq/governor_passive.c:50:31: warning: variable 'p_data' set but not used [-Wunused-but-set-variable] 50 | struct devfreq_passive_data *p_data = | ^~~~~~ In file included from arch/x86/um/asm/processor.h:41, from include/linux/spinlock_up.h:8, from include/linux/spinlock.h:95, from include/linux/mm_types.h:9, from include/linux/buildid.h:5, from include/linux/module.h:14, from drivers/devfreq/governor_passive.c:10: drivers/devfreq/governor_passive.c: In function 'cpufreq_passive_notifier_call': 104 | #define cpu_data (&boot_cpu_data) | ^ drivers/devfreq/governor_passive.c:221:10: note: in expansion of macro 'cpu_data' 221 | !data->cpu_data[freqs->policy->cpu]) | ^~~~~~~~ 104 | #define cpu_data (&boot_cpu_data) | ^ drivers/devfreq/governor_passive.c:224:26: note: in expansion of macro 'cpu_data' 224 | parent_cpu_data = data->cpu_data[freqs->policy->cpu]; | ^~~~~~~~ drivers/devfreq/governor_passive.c: In function 'cpufreq_passive_unregister_notifier': 104 | #define cpu_data (&boot_cpu_data) | ^ drivers/devfreq/governor_passive.c:258:29: note: in expansion of macro 'cpu_data' 258 | parent_cpu_data = p_data->cpu_data[cpu]; | ^~~~~~~~ drivers/devfreq/governor_passive.c: In function 'cpufreq_passive_register_notifier': 104 | #define cpu_data (&boot_cpu_data) | ^ drivers/devfreq/governor_passive.c:291:15: note: in expansion of macro 'cpu_data' 291 | if (p_data->cpu_data[cpu]) | ^~~~~~~~ 104 | #define cpu_data (&boot_cpu_data) | ^ drivers/devfreq/governor_passive.c:331:11: note: in expansion of macro 'cpu_data' 331 | p_data->cpu_data[cpu] = parent_cpu_data; | ^~~~~~~~ vim +104 arch/um/include/asm/processor-generic.h ^1da177e4c3f41 include/asm-um/processor-generic.h Linus Torvalds 2005-04-16 103 ^1da177e4c3f41 include/asm-um/processor-generic.h Linus Torvalds 2005-04-16 @104 #define cpu_data (&boot_cpu_data) ^1da177e4c3f41 include/asm-um/processor-generic.h Linus Torvalds 2005-04-16 105 #define current_cpu_data boot_cpu_data d8fb32f4790f2a arch/um/include/asm/processor-generic.h Anton Ivanov 2021-03-12 106 #define cache_line_size() (boot_cpu_data.cache_alignment) ^1da177e4c3f41 include/asm-um/processor-generic.h Linus Torvalds 2005-04-16 107 :::::: The code at line 104 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