diff options
Diffstat (limited to 'kernel/rcu/tree.h')
| -rw-r--r-- | kernel/rcu/tree.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 4b4bcef8a974..84362951ed9e 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -188,6 +188,8 @@ struct rcu_data { bool rcu_forced_tick_exp; /* ... provide QS to expedited GP. */ /* 4) rcu_barrier(), OOM callbacks, and expediting. */ + raw_spinlock_t barrier_lock; /* Protects ->barrier_seq_snap. */ + unsigned long barrier_seq_snap; /* Snap of rcu_state.barrier_sequence. */ struct rcu_head barrier_head; int exp_dynticks_snap; /* Double-check need for IPI. */ |