* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: create rcu_my_thread_group_empty() wrapper memcg: css_id() must be called under rcu_read_lock() cgroup: Check task_lock in task_subsys_state() sched: Fix an RCU warning in print_task() cgroup: Fix an RCU warning in alloc_css_id() cgroup: Fix an RCU warning in cgroup_path() KEYS: Fix an RCU warning in the reading of user keys KEYS: Fix an RCU warning
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| @@ -530,6 +530,7 @@ static inline struct cgroup_subsys_state *task_subsys_state( · 529 unmodified lines | ||
| 530 | 530 | { |
| 531 | 531 | return rcu_dereference_check(task->cgroups->subsys[subsys_id], |
| 532 | 532 | rcu_read_lock_held() || |
| 533 | + lockdep_is_held(&task->alloc_lock) || | |
| 533 | 534 | cgroup_lock_is_held()); |
| 534 | 535 | } |
| 535 | 536 | |
| @@ -190,6 +190,8 @@ static inline int rcu_read_lock_sched_held(void) · 189 unmodified lines | ||
| 190 | 190 | |
| 191 | 191 | #ifdef CONFIG_PROVE_RCU |
| 192 | 192 | |
| 193 | +extern int rcu_my_thread_group_empty(void); | |
| 194 | + | |
| 193 | 195 | /** |
| 194 | 196 | * rcu_dereference_check - rcu_dereference with debug checking |
| 195 | 197 | * @p: The pointer to read, prior to dereferencing |