Re: [PATCH 5/7 v5] sched/fair: Add push task mechanism for EAS

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

Hi Vincent,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/sched/core]
[also build test ERROR on peterz-queue/sched/core linus/master v6.14-rc5 next-20250306]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Vincent-Guittot/sched-fair-Filter-false-overloaded_group-case-for-EAS/20250303-050850
base:   tip/sched/core
patch link:    https://lore.kernel.org/r/20250302210539.1563190-6-vincent.guittot%40linaro.org
patch subject: [PATCH 5/7 v5] sched/fair: Add push task mechanism for EAS
config: x86_64-randconfig-003-20250307 (https://download.01.org/0day-ci/archive/20250307/202503072035.8PEXiAFe-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250307/202503072035.8PEXiAFe-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503072035.8PEXiAFe-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/sched/fair.c: In function 'has_pushable_tasks':
   kernel/sched/fair.c:8675:42: error: 'struct cfs_rq' has no member named 'pushable_tasks'
    8675 |         return !plist_head_empty(&rq->cfs.pushable_tasks);
         |                                          ^
   In file included from include/linux/kernel.h:22,
                    from include/linux/cpumask.h:11,
                    from include/linux/energy_model.h:4,
                    from kernel/sched/fair.c:23:
   kernel/sched/fair.c: In function 'pick_next_pushable_fair_task':
   kernel/sched/fair.c:8685:39: error: 'struct cfs_rq' has no member named 'pushable_tasks'
    8685 |         p = plist_first_entry(&rq->cfs.pushable_tasks,
         |                                       ^
   include/linux/container_of.h:19:33: note: in definition of macro 'container_of'
      19 |         void *__mptr = (void *)(ptr);                                   \
         |                                 ^~~
   kernel/sched/fair.c:8685:13: note: in expansion of macro 'plist_first_entry'
    8685 |         p = plist_first_entry(&rq->cfs.pushable_tasks,
         |             ^~~~~~~~~~~~~~~~~
   In file included from include/linux/container_of.h:5,
                    from include/linux/kernel.h:22,
                    from include/linux/cpumask.h:11,
                    from include/linux/energy_model.h:4,
                    from kernel/sched/fair.c:23:
   kernel/sched/fair.c:8685:39: error: 'struct cfs_rq' has no member named 'pushable_tasks'
    8685 |         p = plist_first_entry(&rq->cfs.pushable_tasks,
         |                                       ^
   include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ^~~~~~~~~~~~~
   include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |                       ^~~~~~~~~~~
   include/linux/plist.h:233:9: note: in expansion of macro 'container_of'
     233 |         container_of(plist_first(head), type, member)
         |         ^~~~~~~~~~~~
   kernel/sched/fair.c:8685:13: note: in expansion of macro 'plist_first_entry'
    8685 |         p = plist_first_entry(&rq->cfs.pushable_tasks,
         |             ^~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:8685:39: error: 'struct cfs_rq' has no member named 'pushable_tasks'
    8685 |         p = plist_first_entry(&rq->cfs.pushable_tasks,
         |                                       ^
   include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ^~~~~~~~~~~~~
   include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
      21 |                       __same_type(*(ptr), void),                        \
         |                       ^~~~~~~~~~~
   include/linux/plist.h:233:9: note: in expansion of macro 'container_of'
     233 |         container_of(plist_first(head), type, member)
         |         ^~~~~~~~~~~~
   kernel/sched/fair.c:8685:13: note: in expansion of macro 'plist_first_entry'
    8685 |         p = plist_first_entry(&rq->cfs.pushable_tasks,
         |             ^~~~~~~~~~~~~~~~~
>> include/linux/compiler_types.h:483:27: error: expression in static assertion is not an integer
     483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ^~~~~~~~~~~~~
   include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |                       ^~~~~~~~~~~
   include/linux/plist.h:233:9: note: in expansion of macro 'container_of'
     233 |         container_of(plist_first(head), type, member)
         |         ^~~~~~~~~~~~
   kernel/sched/fair.c:8685:13: note: in expansion of macro 'plist_first_entry'
    8685 |         p = plist_first_entry(&rq->cfs.pushable_tasks,
         |             ^~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:8697:47: error: 'struct cfs_rq' has no member named 'pushable_tasks'
    8697 |         plist_del(&p->pushable_tasks, &rq->cfs.pushable_tasks);
         |                                               ^
   kernel/sched/fair.c: In function 'fair_remove_pushable_task':
   kernel/sched/fair.c:8772:55: error: 'struct cfs_rq' has no member named 'pushable_tasks'
    8772 |                 plist_del(&p->pushable_tasks, &rq->cfs.pushable_tasks);
         |                                                       ^
   kernel/sched/fair.c: In function 'fair_add_pushable_task':
   kernel/sched/fair.c:8779:63: error: 'struct cfs_rq' has no member named 'pushable_tasks'
    8779 |                         plist_del(&p->pushable_tasks, &rq->cfs.pushable_tasks);
         |                                                               ^
   kernel/sched/fair.c:8781:63: error: 'struct cfs_rq' has no member named 'pushable_tasks'
    8781 |                         plist_add(&p->pushable_tasks, &rq->cfs.pushable_tasks);
         |                                                               ^
   kernel/sched/fair.c: In function 'init_cfs_rq':
   kernel/sched/fair.c:13572:32: error: 'struct cfs_rq' has no member named 'pushable_tasks'
   13572 |         plist_head_init(&cfs_rq->pushable_tasks);
         |                                ^~
   kernel/sched/fair.c: In function 'has_pushable_tasks':
   kernel/sched/fair.c:8676:1: warning: control reaches end of non-void function [-Wreturn-type]
    8676 | }
         | ^


vim +483 include/linux/compiler_types.h

eb111869301e15 Rasmus Villemoes 2019-09-13  481  
d15155824c5014 Will Deacon      2017-10-24  482  /* Are two types/vars the same type (ignoring qualifiers)? */
d15155824c5014 Will Deacon      2017-10-24 @483  #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
d15155824c5014 Will Deacon      2017-10-24  484  

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