rcu: move TREE_RCU from softirq to kthread

[mirror_ubuntu-artful-kernel.git] / kernel / rcutree_plugin.h

diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index 774f010a461974a6ad5bdfcf8f189c8951e89082..b9bd69a5a4fed6c2363ccdcfe2acd7db57f98787 100644 (file)
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -1206,7 +1206,7 @@ static DEFINE_PER_CPU(unsigned long, rcu_dyntick_holdoff);
  *
  * Because it is not legal to invoke rcu_process_callbacks() with irqs
  * disabled, we do one pass of force_quiescent_state(), then do a
- * raise_softirq() to cause rcu_process_callbacks() to be invoked later.
+ * invoke_rcu_kthread() to cause rcu_process_callbacks() to be invoked later.
  * The per-cpu rcu_dyntick_drain variable controls the sequencing.
  */
 int rcu_needs_cpu(int cpu)
@@ -1257,7 +1257,7 @@ int rcu_needs_cpu(int cpu)
 
        /* If RCU callbacks are still pending, RCU still needs this CPU. */
        if (c)
-               raise_softirq(RCU_SOFTIRQ);
+               invoke_rcu_kthread();
        return c;
 }