RCU boosting and lockdep are not playing nice

2017-08-18 Thread Sebastian Andrzej Siewior
Once RCU-boosting kicks in I see this: |= |WARNING: bad unlock balance detected! |4.13.0-rc5+ #102 Not tainted |- |hackbench/1127 is trying to release lock (rcu_preempt_state) at: |[] rcu_read_unlock_special+0x330/0x340 |but

RCU boosting and lockdep are not playing nice

2017-08-18 Thread Sebastian Andrzej Siewior
Once RCU-boosting kicks in I see this: |= |WARNING: bad unlock balance detected! |4.13.0-rc5+ #102 Not tainted |- |hackbench/1127 is trying to release lock (rcu_preempt_state) at: |[] rcu_read_unlock_special+0x330/0x340 |but