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authorThomas Gleixner <tglx@linutronix.de>2011-10-22 07:12:34 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-12-11 10:31:28 -0800
commitb40d293eb36ba40cd428b6d178db911174689702 (patch)
tree78109a13c0bf86608f3caaea547fd9e948aee743 /kernel/rcutree.h
parent34240697d619c439c55f21989680024dcb604aab (diff)
rcu: Omit self-awaken when setting up expedited grace period
When setting up an expedited grace period, if there were no readers, the task will awaken itself. This commit removes this useless self-awakening. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcutree.h')
-rw-r--r--kernel/rcutree.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 0963fa1541ac..fd2f87db2ab1 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -444,7 +444,8 @@ static void rcu_preempt_check_callbacks(int cpu);
static void rcu_preempt_process_callbacks(void);
void call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu));
#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_TREE_PREEMPT_RCU)
-static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp);
+static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp,
+ bool wake);
#endif /* #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_TREE_PREEMPT_RCU) */
static int rcu_preempt_pending(int cpu);
static int rcu_preempt_needs_cpu(int cpu);