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Date:   Thu, 27 Jan 2022 03:53:18 +0800
From:   kernel test robot <lkp@intel.com>
To:     Qais Yousef <qais.yousef@arm.com>
Cc:     kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
        Peter Zijlstra <peterz@infradead.org>
Subject: [peterz-queue:sched/core 5/8] kernel/sched/sched.h:3006:32: warning:
 passing argument 1 of 'cpu_util_cfs' makes integer from pointer without a
 cast
Message-ID: <202201270319.tmnG6ICK-lkp@intel.com>
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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: ia64-allmodconfig (https://download.01.org/0day-ci/archive/20220127/202201270319.tmnG6ICK-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
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/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=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 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: In function 'uclamp_rq_is_capped':
>> kernel/sched/sched.h:3006:32: warning: passing argument 1 of 'cpu_util_cfs' makes integer from pointer without a cast [-Wint-conversion]
    3006 |         rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
         |                                ^~
         |                                |
         |                                struct rq *
   kernel/sched/sched.h:2919:46: note: expected 'int' but argument is of type 'struct rq *'
    2919 | static inline unsigned long cpu_util_cfs(int cpu)
         |                                          ~~~~^~~
   kernel/sched/core.c: At top level:
   kernel/sched/core.c:3454:6: warning: no previous prototype for 'sched_set_stop_task' [-Wmissing-prototypes]
    3454 | void sched_set_stop_task(int cpu, struct task_struct *stop)
         |      ^~~~~~~~~~~~~~~~~~~
--
   In file included from kernel/sched/loadavg.c:9:
   kernel/sched/sched.h: In function 'uclamp_rq_is_capped':
>> kernel/sched/sched.h:3006:32: warning: passing argument 1 of 'cpu_util_cfs' makes integer from pointer without a cast [-Wint-conversion]
    3006 |         rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
         |                                ^~
         |                                |
         |                                struct rq *
   kernel/sched/sched.h:2919:46: note: expected 'int' but argument is of type 'struct rq *'
    2919 | static inline unsigned long cpu_util_cfs(int cpu)
         |                                          ~~~~^~~
--
   In file included from kernel/sched/fair.c:23:
   kernel/sched/sched.h: In function 'uclamp_rq_is_capped':
>> kernel/sched/sched.h:3006:32: warning: passing argument 1 of 'cpu_util_cfs' makes integer from pointer without a cast [-Wint-conversion]
    3006 |         rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
         |                                ^~
         |                                |
         |                                struct rq *
   kernel/sched/sched.h:2919:46: note: expected 'int' but argument is of type 'struct rq *'
    2919 | static inline unsigned long cpu_util_cfs(int cpu)
         |                                          ~~~~^~~
   kernel/sched/fair.c: At top level:
   kernel/sched/fair.c:11049:6: warning: no previous prototype for 'task_vruntime_update' [-Wmissing-prototypes]
   11049 | void task_vruntime_update(struct rq *rq, struct task_struct *p, bool in_fi)
         |      ^~~~~~~~~~~~~~~~~~~~
--
   In file included from kernel/sched/rt.c:6:
   kernel/sched/sched.h: In function 'uclamp_rq_is_capped':
>> kernel/sched/sched.h:3006:32: warning: passing argument 1 of 'cpu_util_cfs' makes integer from pointer without a cast [-Wint-conversion]
    3006 |         rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
         |                                ^~
         |                                |
         |                                struct rq *
   kernel/sched/sched.h:2919:46: note: expected 'int' but argument is of type 'struct rq *'
    2919 | static inline unsigned long cpu_util_cfs(int cpu)
         |                                          ~~~~^~~
   kernel/sched/rt.c: At top level:
   kernel/sched/rt.c:680:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
     680 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/cpu_util_cfs +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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