rcu-tasks: Move synchronize_rcu_tasks_generic() down

This is strictly a code-motion commit that moves the
synchronize_rcu_tasks_generic() down to where it can invoke
rcu_tasks_one_gp() without the need for a forward declaration.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index d7b12f5..ad993c4 100644 (file)
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -326,17 +326,6 @@ static void call_rcu_tasks_generic(struct rcu_head *rhp, rcu_callback_t func,
                irq_work_queue(&rtpcp->rtp_irq_work);
 }
 
-// Wait for a grace period for the specified flavor of Tasks RCU.
-static void synchronize_rcu_tasks_generic(struct rcu_tasks *rtp)
-{
-       /* Complain if the scheduler has not started.  */
-       RCU_LOCKDEP_WARN(rcu_scheduler_active == RCU_SCHEDULER_INACTIVE,
-                        "synchronize_rcu_tasks called too soon");
-
-       /* Wait for the grace period. */
-       wait_rcu_gp(rtp->call_func);
-}
-
 // RCU callback function for rcu_barrier_tasks_generic().
 static void rcu_barrier_tasks_generic_cb(struct rcu_head *rhp)
 {
@@ -558,6 +547,17 @@ static int __noreturn rcu_tasks_kthread(void *arg)
        }
 }
 
+// Wait for a grace period for the specified flavor of Tasks RCU.
+static void synchronize_rcu_tasks_generic(struct rcu_tasks *rtp)
+{
+       /* Complain if the scheduler has not started.  */
+       RCU_LOCKDEP_WARN(rcu_scheduler_active == RCU_SCHEDULER_INACTIVE,
+                        "synchronize_rcu_tasks called too soon");
+
+       /* Wait for the grace period. */
+       wait_rcu_gp(rtp->call_func);
+}
+
 /* Spawn RCU-tasks grace-period kthread. */
 static void __init rcu_spawn_tasks_kthread_generic(struct rcu_tasks *rtp)
 {