disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/cgroup.h
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@@ -455,6 +455,7 @@
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 extern spinlock_t css_set_lock;
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 #define task_css_set_check(task, __c)					\
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 	rcu_dereference_check((task)->cgroups,				\
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+		rcu_read_lock_sched_held() ||				\
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 		lockdep_is_held(&cgroup_mutex) ||			\
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 		lockdep_is_held(&css_set_lock) ||			\
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 		((task)->flags & PF_EXITING) || (__c))
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@@ -790,11 +791,9 @@
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 	cpuacct_charge(task, delta_exec);
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-	rcu_read_lock();
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 	cgrp = task_dfl_cgroup(task);
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 	if (cgroup_parent(cgrp))
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 		__cgroup_account_cputime(cgrp, delta_exec);
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-	rcu_read_unlock();
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 }
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 static inline void cgroup_account_cputime_field(struct task_struct *task,