diff options
Diffstat (limited to 'kernel/rcu/rcu.h')
-rw-r--r-- | kernel/rcu/rcu.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index 5564402af4cb..feb3ac1dc5d5 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h @@ -54,9 +54,6 @@ * grace-period sequence number. */ -#define RCU_SEQ_CTR_SHIFT 2 -#define RCU_SEQ_STATE_MASK ((1 << RCU_SEQ_CTR_SHIFT) - 1) - /* Low-order bit definition for polled grace-period APIs. */ #define RCU_GET_STATE_COMPLETED 0x1 @@ -255,6 +252,11 @@ static inline void debug_rcu_head_callback(struct rcu_head *rhp) kmem_dump_obj(rhp); } +static inline bool rcu_barrier_cb_is_done(struct rcu_head *rhp) +{ + return rhp->next == rhp; +} + extern int rcu_cpu_stall_suppress_at_boot; static inline bool rcu_stall_is_suppressed_at_boot(void) |