diff options
| -rw-r--r-- | include/linux/cpuset.h | 2 | ||||
| -rw-r--r-- | kernel/cgroup/cpuset.c | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index a98d3330385c..a634489c9f12 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -74,6 +74,7 @@ extern void inc_dl_tasks_cs(struct task_struct *task); extern void dec_dl_tasks_cs(struct task_struct *task); extern void cpuset_lock(void); extern void cpuset_unlock(void); +extern void lockdep_assert_cpuset_lock_held(void); extern void cpuset_cpus_allowed_locked(struct task_struct *p, struct cpumask *mask); extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask); extern bool cpuset_cpus_allowed_fallback(struct task_struct *p); @@ -195,6 +196,7 @@ static inline void inc_dl_tasks_cs(struct task_struct *task) { } static inline void dec_dl_tasks_cs(struct task_struct *task) { } static inline void cpuset_lock(void) { } static inline void cpuset_unlock(void) { } +static inline void lockdep_assert_cpuset_lock_held(void) { } static inline void cpuset_cpus_allowed_locked(struct task_struct *p, struct cpumask *mask) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index fea577b4016a..4fa3080da3be 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -271,6 +271,11 @@ void cpuset_unlock(void) mutex_unlock(&cpuset_mutex); } +void lockdep_assert_cpuset_lock_held(void) +{ + lockdep_assert_held(&cpuset_mutex); +} + /** * cpuset_full_lock - Acquire full protection for cpuset modification * |