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-rw-r--r--kernel/rcutree.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 335bfe4f0076..3ec8160fc75f 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1341,6 +1341,9 @@ static void rcu_process_callbacks(struct softirq_action *unused)
* grace-period manipulations above.
*/
smp_mb(); /* See above block comment. */
+
+ /* If we are last CPU on way to dyntick-idle mode, accelerate it. */
+ rcu_needs_cpu_flush();
}
static void