diff options
| -rw-r--r-- | kernel/locking/mutex.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c index 4f408be39a07..e6d646b18d6c 100644 --- a/kernel/locking/mutex.c +++ b/kernel/locking/mutex.c | |||
| @@ -166,6 +166,9 @@ static inline int mutex_can_spin_on_owner(struct mutex *lock) | |||
| 166 | struct task_struct *owner; | 166 | struct task_struct *owner; |
| 167 | int retval = 1; | 167 | int retval = 1; |
| 168 | 168 | ||
| 169 | if (need_resched()) | ||
| 170 | return 0; | ||
| 171 | |||
| 169 | rcu_read_lock(); | 172 | rcu_read_lock(); |
| 170 | owner = ACCESS_ONCE(lock->owner); | 173 | owner = ACCESS_ONCE(lock->owner); |
| 171 | if (owner) | 174 | if (owner) |
