[jfern:coresched 14/24] kernel/sched/sched.h:1223:17: warning: 'struct sched_group' declared inside parameter list will not be visible outside of this definition or declaration

[jfern:coresched 14/24] kernel/sched/sched.h:1223:17: warning: 'struct sched_group' declared inside parameter list will not be visible outside of this definition or declaration

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git coresched
head:   08584c8e5f653b2f341504289f843d576c83893e
commit: 6d509d1335129285644318491bcce431d0e30fd1 [14/24] sched: migration changes for core scheduling
config: nds32-randconfig-r035-20210112 (attached as .config)
compiler: nds32le-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
        # https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git/commit/?id=6d509d1335129285644318491bcce431d0e30fd1
        git remote add jfern https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git
        git fetch --no-tags jfern coresched
        git checkout 6d509d1335129285644318491bcce431d0e30fd1
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 

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

All warnings (new ones prefixed by >>):

   In file included from kernel/sched/psi.c:143:
>> kernel/sched/sched.h:1223:17: warning: 'struct sched_group' declared inside parameter list will not be visible outside of this definition or declaration
    1223 |          struct sched_group *group)
         |                 ^~~~~~~~~~~
--
   In file included from kernel/sched/core.c:13:
>> kernel/sched/sched.h:1223:17: warning: 'struct sched_group' declared inside parameter list will not be visible outside of this definition or declaration
    1223 |          struct sched_group *group)
         |                 ^~~~~~~~~~~
   kernel/sched/core.c: In function 'ttwu_stat':
   kernel/sched/core.c:3108:13: warning: variable 'rq' set but not used [-Wunused-but-set-variable]
    3108 |  struct rq *rq;
         |             ^~
   kernel/sched/core.c: In function 'schedule_tail':
   kernel/sched/core.c:4452:13: warning: variable 'rq' set but not used [-Wunused-but-set-variable]
    4452 |  struct rq *rq;
         |             ^~
--
   In file included from kernel/sched/rt.c:6:
>> kernel/sched/sched.h:1223:17: warning: 'struct sched_group' declared inside parameter list will not be visible outside of this definition or declaration
    1223 |          struct sched_group *group)
         |                 ^~~~~~~~~~~
   kernel/sched/rt.c:669:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
     669 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +1223 kernel/sched/sched.h

  1220	
  1221	static inline bool sched_group_cookie_match(struct rq *rq,
  1222						    struct task_struct *p,
> 1223						    struct sched_group *group)
  1224	{
  1225		return true;
  1226	}
  1227	#endif /* CONFIG_SCHED_CORE */
  1228	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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