tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 06a4ec1d9dc652e17ee3ac2ceb6c7cf6c2b75cdd commit: 239a5791ffd5559f51815df442c4dbbe7fc21ade dynamic_debug: allow to work if debugfs is disabled date: 6 months ago config: ia64-randconfig-r005-20200818 (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 239a5791ffd5559f51815df442c4dbbe7fc21ade # 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 >>): drivers/cpufreq/ia64-acpi-cpufreq.c: In function 'processor_set_pstate': <command-line>: note: in definition of macro 'KBUILD_MODNAME' include/linux/dynamic_debug.h:125:15: note: in expansion of macro 'pr_fmt' 125 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:143:2: note: in expansion of macro '__dynamic_func_call' 143 | __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:153:2: note: in expansion of macro '_dynamic_func_call' 153 | _dynamic_func_call(fmt, __dynamic_pr_debug, \ | ^~~~~~~~~~~~~~~~~~ include/linux/printk.h:335:2: note: in expansion of macro 'dynamic_pr_debug' 335 | dynamic_pr_debug(fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~ drivers/cpufreq/ia64-acpi-cpufreq.c:57:3: note: in expansion of macro 'pr_debug' 57 | pr_debug("Failed to set freq to 0x%x, with error 0x%lx\n", | ^~~~~~~~ drivers/cpufreq/ia64-acpi-cpufreq.c: In function 'processor_get_pstate': <command-line>: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 's64' {aka 'long long int'} [-Wformat=] <command-line>: note: in definition of macro 'KBUILD_MODNAME' include/linux/dynamic_debug.h:125:15: note: in expansion of macro 'pr_fmt' 125 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:143:2: note: in expansion of macro '__dynamic_func_call' 143 | __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:153:2: note: in expansion of macro '_dynamic_func_call' 153 | _dynamic_func_call(fmt, __dynamic_pr_debug, \ | ^~~~~~~~~~~~~~~~~~ include/linux/printk.h:335:2: note: in expansion of macro 'dynamic_pr_debug' 335 | dynamic_pr_debug(fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~ drivers/cpufreq/ia64-acpi-cpufreq.c:79:3: note: in expansion of macro 'pr_debug' 79 | pr_debug("Failed to get current freq with " | ^~~~~~~~ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org