[peterz-queue:sched/core 5/8] kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core
head:   dbaafd0f1651b35e07c20e33f8c3f133fc65705e
commit: 6dd3d475cf576edd705885c66b6f1d638a6818f4 [5/8] sched/sugov: Ignore 'busy' filter when rq is capped by uclamp_max
config: x86_64-randconfig-a003 (https://download.01.org/0day-ci/archive/20220127/202201270632.OV8jDPXB-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2a1b7aa016c0f4b5598806205bdfbab1ea2d92c4)
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/peterz/queue.git/commit/?id=6dd3d475cf576edd705885c66b6f1d638a6818f4
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue sched/core
        git checkout 6dd3d475cf576edd705885c66b6f1d638a6818f4
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/

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/core.c:13:
>> kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int' [-Wint-conversion]
           rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
                                  ^~
   kernel/sched/sched.h:2919:46: note: passing argument to parameter 'cpu' here
   static inline unsigned long cpu_util_cfs(int cpu)
                                                ^
   kernel/sched/core.c:3454:6: warning: no previous prototype for function 'sched_set_stop_task' [-Wmissing-prototypes]
   void sched_set_stop_task(int cpu, struct task_struct *stop)
        ^
   kernel/sched/core.c:3454:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void sched_set_stop_task(int cpu, struct task_struct *stop)
   ^
   static 
   kernel/sched/core.c:1672:1: warning: unused function 'uclamp_update_active' [-Wunused-function]
   uclamp_update_active(struct task_struct *p)
   ^
   3 warnings generated.
--
   In file included from kernel/sched/loadavg.c:9:
>> kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int' [-Wint-conversion]
           rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
                                  ^~
   kernel/sched/sched.h:2919:46: note: passing argument to parameter 'cpu' here
   static inline unsigned long cpu_util_cfs(int cpu)
                                                ^
   1 warning generated.
--
   In file included from kernel/sched/fair.c:23:
>> kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int' [-Wint-conversion]
           rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
                                  ^~
   kernel/sched/sched.h:2919:46: note: passing argument to parameter 'cpu' here
   static inline unsigned long cpu_util_cfs(int cpu)
                                                ^
   kernel/sched/fair.c:8405:19: warning: unused function 'check_misfit_status' [-Wunused-function]
   static inline int check_misfit_status(struct rq *rq, struct sched_domain *sd)
                     ^
   2 warnings generated.
--
   In file included from kernel/sched/rt.c:6:
>> kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int' [-Wint-conversion]
           rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
                                  ^~
   kernel/sched/sched.h:2919:46: note: passing argument to parameter 'cpu' here
   static inline unsigned long cpu_util_cfs(int cpu)
                                                ^
   kernel/sched/rt.c:680:6: warning: no previous prototype for function 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
   bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
        ^
   kernel/sched/rt.c:680:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
   ^
   static 
   2 warnings generated.


vim +3006 kernel/sched/sched.h

  2996	
  2997	/* Is the rq being capped/throttled by uclamp_max? */
  2998	static inline bool uclamp_rq_is_capped(struct rq *rq)
  2999	{
  3000		unsigned long rq_util;
  3001		unsigned long max_util;
  3002	
  3003		if (!static_branch_likely(&sched_uclamp_used))
  3004			return false;
  3005	
> 3006		rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
  3007		max_util = READ_ONCE(rq->uclamp[UCLAMP_MAX].value);
  3008	
  3009		return max_util != SCHED_CAPACITY_SCALE && rq_util >= max_util;
  3010	}
  3011	

---
0-DAY CI Kernel Test Service, Intel Corporation
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