[tip:tmp.tmp2 50/364] include/linux/kernel.h:706:51: error: 'struct task_struct' has no member named 'rt'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.tmp2
head:   adcceb5eb7aee38e4a9c15bdf599655f0e1b1324
commit: 6528e8a95a1c2683f8a4c93b4a945175f89fdc3d [50/364] sched/headers, sched/rt: Move task_struct::rt to per_task(), finish
config: x86_64-rhel-8.3 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=6528e8a95a1c2683f8a4c93b4a945175f89fdc3d
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip tmp.tmp2
        git checkout 6528e8a95a1c2683f8a4c93b4a945175f89fdc3d
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   kernel/sched/rt.c: In function 'rt_task_of':
>> include/linux/kernel.h:706:51: error: 'struct task_struct' has no member named 'rt'
     706 |  BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
         |                                                   ^~
   include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert'
     308 |   if (!(condition))     \
         |         ^~~~~~~~~
   include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:706:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     706 |  BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
         |  ^~~~~~~~~~~~~~~~
   include/linux/kernel.h:706:20: note: in expansion of macro '__same_type'
     706 |  BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
         |                    ^~~~~~~~~~~
   kernel/sched/rt.c:121:9: note: in expansion of macro 'container_of'
     121 |  return container_of(rt_se, struct task_struct, rt);
         |         ^~~~~~~~~~~~
>> include/linux/compiler_types.h:140:35: error: 'struct task_struct' has no member named 'rt'
     140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
         |                                   ^~~~~~~~~~~~~~~~~~
   include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof'
      17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
         |                                ^~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:709:21: note: in expansion of macro 'offsetof'
     709 |  ((type *)(__mptr - offsetof(type, member))); })
         |                     ^~~~~~~~
   kernel/sched/rt.c:121:9: note: in expansion of macro 'container_of'
     121 |  return container_of(rt_se, struct task_struct, rt);
         |         ^~~~~~~~~~~~
   kernel/sched/rt.c: At top level:
   kernel/sched/rt.c:670:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
     670 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   kernel/sched/rt.c: In function 'rt_task_of':
   kernel/sched/rt.c:122:1: error: control reaches end of non-void function [-Werror=return-type]
     122 | }
         | ^
   cc1: some warnings being treated as errors


vim +706 include/linux/kernel.h

cf14f27f82af78 Alexei Starovoitov 2018-03-28  696  
^1da177e4c3f41 Linus Torvalds     2005-04-16  697  /**
^1da177e4c3f41 Linus Torvalds     2005-04-16  698   * container_of - cast a member of a structure out to the containing structure
^1da177e4c3f41 Linus Torvalds     2005-04-16  699   * @ptr:	the pointer to the member.
^1da177e4c3f41 Linus Torvalds     2005-04-16  700   * @type:	the type of the container struct this is embedded in.
^1da177e4c3f41 Linus Torvalds     2005-04-16  701   * @member:	the name of the member within the struct.
^1da177e4c3f41 Linus Torvalds     2005-04-16  702   *
^1da177e4c3f41 Linus Torvalds     2005-04-16  703   */
^1da177e4c3f41 Linus Torvalds     2005-04-16  704  #define container_of(ptr, type, member) ({				\
c7acec713d14c6 Ian Abbott         2017-07-12  705  	void *__mptr = (void *)(ptr);					\
c7acec713d14c6 Ian Abbott         2017-07-12 @706  	BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) &&	\
c7acec713d14c6 Ian Abbott         2017-07-12  707  			 !__same_type(*(ptr), void),			\
c7acec713d14c6 Ian Abbott         2017-07-12  708  			 "pointer type mismatch in container_of()");	\
c7acec713d14c6 Ian Abbott         2017-07-12  709  	((type *)(__mptr - offsetof(type, member))); })
^1da177e4c3f41 Linus Torvalds     2005-04-16  710  

:::::: The code at line 706 was first introduced by commit
:::::: c7acec713d14c6ce8a20154f9dfda258d6bcad3b kernel.h: handle pointers to arrays better in container_of()

:::::: TO: Ian Abbott <abbotti@xxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

---
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