diff --git a/[refs] b/[refs]
index 9624ee75d30a..d2f436f769e0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a4fbe35a124526e6759be07bd9c7ea796ba1e00d
+refs/heads/master: d677124b1fc3b2706a13e92f1b329f1ac77e5f20
diff --git a/trunk/init/Kconfig b/trunk/init/Kconfig
index c26b8a1d2b57..89093e178c27 100644
--- a/trunk/init/Kconfig
+++ b/trunk/init/Kconfig
@@ -451,6 +451,12 @@ config RCU_USER_QS
 	  excluded from the global RCU state machine and thus doesn't
 	  to keep the timer tick on for RCU.
 
+	  Unless you want to hack and help the development of the full
+	  tickless feature, you shouldn't enable this option. It adds
+	  unnecessary overhead.
+
+	  If unsure say N
+
 config RCU_USER_QS_FORCE
 	bool "Force userspace extended QS by default"
 	depends on RCU_USER_QS
@@ -459,6 +465,12 @@ config RCU_USER_QS_FORCE
 	  test this feature that treats userspace as an extended quiescent
 	  state until we have a real user like a full adaptive nohz option.
 
+	  Unless you want to hack and help the development of the full
+	  tickless feature, you shouldn't enable this option. It adds
+	  unnecessary overhead.
+
+	  If unsure say N
+
 config RCU_FANOUT
 	int "Tree-based hierarchical RCU fanout value"
 	range 2 64 if 64BIT