tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: b670dd901cbbf97745380d373b1d2607b3235590 commit: 7cdbdbf5b6c12b1bff2ffb6b4bf08910ecf1689a [18399/30000] sched: programmable: Add helpers to set tag of task or task_group config: x86_64-randconfig-012-20240323 (https://download.01.org/0day-ci/archive/20240323/202403232345.qUtlhdt3-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240323/202403232345.qUtlhdt3-lkp@i...)

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/202403232345.qUtlhdt3-lkp@intel.com/

All warnings (new ones prefixed by >>):

kernel/sched/bpf_sched.c: In function '____bpf_sched_set_tg_tag':

...

kernel/sched/bpf_sched.c:108:5: warning: "CONFIG_CGROUP_SCHED" is not defined, evaluates to 0 [-Wundef]

108 | #if CONFIG_CGROUP_SCHED | ^~~~~~~~~~~~~~~~~~~

vim +/CONFIG_CGROUP_SCHED +108 kernel/sched/bpf_sched.c

105 106 BPF_CALL_2(bpf_sched_set_tg_tag, struct task_group *, tg, s64, tag) 107 {

108 #if CONFIG_CGROUP_SCHED

109 if (tg == NULL || tg == &root_task_group) 110 return -EINVAL; 111 112 if (tg->tag == tag) 113 return 0; 114 115 rcu_read_lock(); 116 walk_tg_tree_from(tg, tg_change_tag, tg_nop, (void *)(&tag)); 117 rcu_read_unlock(); 118 119 return 0; 120 #endif 121 return -EPERM; 122 } 123