1 files changed, 13 insertions, 0 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b5005b762103..52c2172dff16 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -856,6 +856,19 @@ config RCU_CPU_STALL_TIMEOUT
           RCU grace period persists, additional CPU stall warnings are
           printed at more widely spaced intervals.
 
+config RCU_CPU_STALL_DETECTOR_RUNNABLE
+        bool "RCU CPU stall checking starts automatically at boot"
+        depends on RCU_CPU_STALL_DETECTOR
+        default y
+        help
+          If set, start checking for RCU CPU stalls immediately on
+          boot.  Otherwise, RCU CPU stall checking must be manually
+          enabled.
+
+          Say Y if you are unsure.
+
+          Say N if you wish to suppress RCU CPU stall checking during boot.
+
 config RCU_CPU_STALL_VERBOSE
         bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR"
         depends on RCU_CPU_STALL_DETECTOR && TREE_PREEMPT_RCU