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rcu: Abstract common code for RCU grace-period-wait primitives

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Pull the code that waits for an RCU grace period into a single function,
which is then called by synchronize_rcu() and friends in the case of
TREE_RCU and TREE_PREEMPT_RCU, and from rcu_barrier() and friends in
the case of TINY_RCU and TINY_PREEMPT_RCU.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney
2011-05-26 22:14:36 -07:00
parent f039d1f188
commit 2c42818e96
8 changed files with 113 additions and 131 deletions
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16
include/linux/rcutiny.h
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@@ -31,6 +31,16 @@ static inline void rcu_init(void)
{
}
static inline void rcu_barrier_bh(void)
{
wait_rcu_gp(call_rcu_bh);
}
static inline void rcu_barrier_sched(void)
{
wait_rcu_gp(call_rcu_sched);
}
#ifdef CONFIG_TINY_RCU
static inline void synchronize_rcu_expedited(void)
@@ -45,9 +55,13 @@ static inline void rcu_barrier(void)
#else /* #ifdef CONFIG_TINY_RCU */
void rcu_barrier(void);
void synchronize_rcu_expedited(void);
static inline void rcu_barrier(void)
{
wait_rcu_gp(call_rcu);
}
#endif /* #else #ifdef CONFIG_TINY_RCU */
static inline void synchronize_rcu_bh(void)