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* include/linux/percpu-defs.h:317:1: warning: initialization of 'struct cpumask *' from 'int' makes pointer from integer without a cast
@ 2022-06-22  2:22 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-06-22  2:22 UTC (permalink / raw)
  To: Dietmar Eggemann; +Cc: kbuild-all, linux-kernel, 0day robot, Vincent Guittot

tree:   https://github.com/intel-lab-lkp/linux/commits/Vincent-Donnefort/feec-energy-margin-removal/20220621-170631
head:   2059fff7a5a2b6016ef5843c673845283a00a646
commit: a4a1ec79913664ac49b72cda8c3756c4da7c16b4 sched/fair: Rename select_idle_mask to select_rq_mask
date:   17 hours ago
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20220622/202206221013.ygryuYit-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/a4a1ec79913664ac49b72cda8c3756c4da7c16b4
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Vincent-Donnefort/feec-energy-margin-removal/20220621-170631
        git checkout a4a1ec79913664ac49b72cda8c3756c4da7c16b4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/sched/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/asm-generic/percpu.h:7,
                    from arch/x86/include/asm/percpu.h:390,
                    from arch/x86/include/asm/current.h:6,
                    from include/linux/sched.h:12,
                    from include/linux/ratelimit.h:6,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from include/linux/energy_model.h:5,
                    from kernel/sched/fair.c:23:
   kernel/sched/fair.c: In function 'find_idlest_group':
   kernel/sched/fair.c:9246:81: error: 'select_idle_mask' undeclared (first use in this function); did you mean 'select_idle_cpu'?
    9246 |                                 struct cpumask *cpus = this_cpu_cpumask_var_ptr(select_idle_mask);
         |                                                                                 ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:318:16: note: in definition of macro '__pcpu_size_call_return'
     318 |         typeof(variable) pscr_ret__;                                    \
         |                ^~~~~~~~
   include/linux/cpumask.h:742:41: note: in expansion of macro 'this_cpu_read'
     742 | #define this_cpu_cpumask_var_ptr(x)     this_cpu_read(x)
         |                                         ^~~~~~~~~~~~~
   kernel/sched/fair.c:9246:56: note: in expansion of macro 'this_cpu_cpumask_var_ptr'
    9246 |                                 struct cpumask *cpus = this_cpu_cpumask_var_ptr(select_idle_mask);
         |                                                        ^~~~~~~~~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:9246:81: note: each undeclared identifier is reported only once for each function it appears in
    9246 |                                 struct cpumask *cpus = this_cpu_cpumask_var_ptr(select_idle_mask);
         |                                                                                 ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:318:16: note: in definition of macro '__pcpu_size_call_return'
     318 |         typeof(variable) pscr_ret__;                                    \
         |                ^~~~~~~~
   include/linux/cpumask.h:742:41: note: in expansion of macro 'this_cpu_read'
     742 | #define this_cpu_cpumask_var_ptr(x)     this_cpu_read(x)
         |                                         ^~~~~~~~~~~~~
   kernel/sched/fair.c:9246:56: note: in expansion of macro 'this_cpu_cpumask_var_ptr'
    9246 |                                 struct cpumask *cpus = this_cpu_cpumask_var_ptr(select_idle_mask);
         |                                                        ^~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/percpu-defs.h:317:1: warning: initialization of 'struct cpumask *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     317 | ({                                                                      \
         | ^
   include/linux/percpu-defs.h:507:41: note: in expansion of macro '__pcpu_size_call_return'
     507 | #define this_cpu_read(pcp)              __pcpu_size_call_return(this_cpu_read_, pcp)
         |                                         ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/cpumask.h:742:41: note: in expansion of macro 'this_cpu_read'
     742 | #define this_cpu_cpumask_var_ptr(x)     this_cpu_read(x)
         |                                         ^~~~~~~~~~~~~
   kernel/sched/fair.c:9246:56: note: in expansion of macro 'this_cpu_cpumask_var_ptr'
    9246 |                                 struct cpumask *cpus = this_cpu_cpumask_var_ptr(select_idle_mask);
         |                                                        ^~~~~~~~~~~~~~~~~~~~~~~~


vim +317 include/linux/percpu-defs.h

a32f8d8eda8bd49 Tejun Heo 2014-06-17  315  
a32f8d8eda8bd49 Tejun Heo 2014-06-17  316  #define __pcpu_size_call_return(stem, variable)				\
eba117889ac444b Tejun Heo 2014-06-17 @317  ({									\
eba117889ac444b Tejun Heo 2014-06-17  318  	typeof(variable) pscr_ret__;					\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  319  	__verify_pcpu_ptr(&(variable));					\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  320  	switch(sizeof(variable)) {					\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  321  	case 1: pscr_ret__ = stem##1(variable); break;			\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  322  	case 2: pscr_ret__ = stem##2(variable); break;			\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  323  	case 4: pscr_ret__ = stem##4(variable); break;			\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  324  	case 8: pscr_ret__ = stem##8(variable); break;			\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  325  	default:							\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  326  		__bad_size_call_parameter(); break;			\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  327  	}								\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  328  	pscr_ret__;							\
a32f8d8eda8bd49 Tejun Heo 2014-06-17  329  })
a32f8d8eda8bd49 Tejun Heo 2014-06-17  330  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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