[chrome-os:chromeos-5.4 30/42] kernel/sched/core.c:8151:46: error: 'struct task_struct' has no member named 'sched_task_group'

[chrome-os:chromeos-5.4 30/42] kernel/sched/core.c:8151:46: error: 'struct task_struct' has no member named 'sched_task_group'

[kernel test robot]

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4
head:   278e8a5243fec7898c1aa20fde9a51f1306f58c9
commit: 0cb90298895b805bac6bfb06ba2b4ffd87a47e25 [30/42] Revert "FROMLIST: sched/fair: core wide vruntime comparison"
config: arm64-randconfig-r003-20210705 (attached as .config)
compiler: aarch64-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
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.4
        git checkout 0cb90298895b805bac6bfb06ba2b4ffd87a47e25
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash kernel/sched/

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

All errors (new ones prefixed by >>):

   kernel/sched/core.c:2736:6: warning: no previous prototype for 'sched_set_stop_task' [-Wmissing-prototypes]
    2736 | void sched_set_stop_task(int cpu, struct task_struct *stop)
         |      ^~~~~~~~~~~~~~~~~~~
   kernel/sched/core.c:5359:35: warning: no previous prototype for 'schedule_user' [-Wmissing-prototypes]
    5359 | asmlinkage __visible void __sched schedule_user(void)
         |                                   ^~~~~~~~~~~~~
   kernel/sched/core.c: In function 'task_set_core_sched':
>> kernel/sched/core.c:8151:46: error: 'struct task_struct' has no member named 'sched_task_group'
    8151 |       (tsk->core_cookie == (unsigned long)tsk->sched_task_group)) {
         |                                              ^~


vim +8151 kernel/sched/core.c

4b988b06c222f5 Joel Fernandes 2020-02-28  8120  
24b371ab2dbd9b Joel Fernandes 2020-09-25  8121  int task_set_core_sched(int set, struct task_struct *tsk,
24b371ab2dbd9b Joel Fernandes 2020-09-25  8122  			unsigned long cookie)
4b988b06c222f5 Joel Fernandes 2020-02-28  8123  {
4b988b06c222f5 Joel Fernandes 2020-02-28  8124  	if (!tsk)
4b988b06c222f5 Joel Fernandes 2020-02-28  8125  		tsk = current;
4b988b06c222f5 Joel Fernandes 2020-02-28  8126  
4b988b06c222f5 Joel Fernandes 2020-02-28  8127  	if (set != 0 && set != 1)
4b988b06c222f5 Joel Fernandes 2020-02-28  8128  		return -ERANGE;
4b988b06c222f5 Joel Fernandes 2020-02-28  8129  
4b988b06c222f5 Joel Fernandes 2020-02-28  8130  	if (!static_branch_likely(&sched_smt_present))
4b988b06c222f5 Joel Fernandes 2020-02-28  8131  		return -EINVAL;
4b988b06c222f5 Joel Fernandes 2020-02-28  8132  
4b988b06c222f5 Joel Fernandes 2020-02-28  8133  	if (!sched_feat(CORE_PRCTL))
4b988b06c222f5 Joel Fernandes 2020-02-28  8134  		return -ENOSYS;
4b988b06c222f5 Joel Fernandes 2020-02-28  8135  
4b988b06c222f5 Joel Fernandes 2020-02-28  8136  	if (set == 0 && !capable(CAP_SYS_ADMIN))
4b988b06c222f5 Joel Fernandes 2020-02-28  8137  		return -EPERM;
4b988b06c222f5 Joel Fernandes 2020-02-28  8138  
4b988b06c222f5 Joel Fernandes 2020-02-28  8139  	/*
4b988b06c222f5 Joel Fernandes 2020-02-28  8140  	 * If cookie was set previously, return -EBUSY if either of the
4b988b06c222f5 Joel Fernandes 2020-02-28  8141  	 * following are true:
4b988b06c222f5 Joel Fernandes 2020-02-28  8142  	 * 1. Task was previously tagged by CGroup method.
4b988b06c222f5 Joel Fernandes 2020-02-28  8143  	 * 2. Task or its parent were tagged by prctl().
4b988b06c222f5 Joel Fernandes 2020-02-28  8144  	 *
4b988b06c222f5 Joel Fernandes 2020-02-28  8145  	 * Note that, if CGroup tagging is done after prctl(), then that would
4b988b06c222f5 Joel Fernandes 2020-02-28  8146  	 * override the cookie. However, if prctl() is done after task was
4b988b06c222f5 Joel Fernandes 2020-02-28  8147  	 * added to tagged CGroup, then the prctl() returns -EBUSY.
4b988b06c222f5 Joel Fernandes 2020-02-28  8148  	 */
4b988b06c222f5 Joel Fernandes 2020-02-28  8149  	if (!!tsk->core_cookie == set) {
4b988b06c222f5 Joel Fernandes 2020-02-28  8150  		if ((tsk->core_cookie == (unsigned long)tsk) ||
4b988b06c222f5 Joel Fernandes 2020-02-28 @8151  		    (tsk->core_cookie == (unsigned long)tsk->sched_task_group)) {
4b988b06c222f5 Joel Fernandes 2020-02-28  8152  			return -EBUSY;
4b988b06c222f5 Joel Fernandes 2020-02-28  8153  		}
4b988b06c222f5 Joel Fernandes 2020-02-28  8154  	}
4b988b06c222f5 Joel Fernandes 2020-02-28  8155  
4b988b06c222f5 Joel Fernandes 2020-02-28  8156  	if (set)
4b988b06c222f5 Joel Fernandes 2020-02-28  8157  		sched_core_get();
4b988b06c222f5 Joel Fernandes 2020-02-28  8158  
24b371ab2dbd9b Joel Fernandes 2020-09-25  8159  	if (cookie)
24b371ab2dbd9b Joel Fernandes 2020-09-25  8160  		tsk->core_cookie = cookie;
24b371ab2dbd9b Joel Fernandes 2020-09-25  8161  	else
4b988b06c222f5 Joel Fernandes 2020-02-28  8162  		tsk->core_cookie = set ? (unsigned long)tsk : 0;
4b988b06c222f5 Joel Fernandes 2020-02-28  8163  
4b988b06c222f5 Joel Fernandes 2020-02-28  8164  	stop_machine(task_set_core_sched_stopper, (void *)tsk, NULL);
4b988b06c222f5 Joel Fernandes 2020-02-28  8165  
4b988b06c222f5 Joel Fernandes 2020-02-28  8166  	if (!set)
4b988b06c222f5 Joel Fernandes 2020-02-28  8167  		sched_core_put();
4b988b06c222f5 Joel Fernandes 2020-02-28  8168  	return 0;
4b988b06c222f5 Joel Fernandes 2020-02-28  8169  }
4b988b06c222f5 Joel Fernandes 2020-02-28  8170  #endif
4b988b06c222f5 Joel Fernandes 2020-02-28  8171  

:::::: The code at line 8151 was first introduced by commit
:::::: 4b988b06c222f5eea05bf28aaf24b904e653c505 CHROMIUM: sched: Add a per-thread core scheduling interface

:::::: TO: Joel Fernandes <joelaf@google.com>
:::::: CC: Commit Bot <commit-bot@chromium.org>

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

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