rcu: Provide more diagnostics for stalled GP kthread

[deliverable/linux.git] / kernel / rcu / tree.h

diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 4adb7ca0bf47a209067c66205ace8b6f0dbebb61..f1f4784f91074d239a8578398f98b47cdf18e9e6 100644 (file)
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -527,7 +527,11 @@ struct rcu_state {
 /* Values for rcu_state structure's gp_flags field. */
 #define RCU_GP_WAIT_INIT 0     /* Initial state. */
 #define RCU_GP_WAIT_GPS  1     /* Wait for grace-period start. */
-#define RCU_GP_WAIT_FQS  2     /* Wait for force-quiescent-state time. */
+#define RCU_GP_DONE_GPS  2     /* Wait done for grace-period start. */
+#define RCU_GP_WAIT_FQS  3     /* Wait for force-quiescent-state time. */
+#define RCU_GP_DONE_FQS  4     /* Wait done for force-quiescent-state time. */
+#define RCU_GP_CLEANUP   5     /* Grace-period cleanup started. */
+#define RCU_GP_CLEANED   6     /* Grace-period cleanup complete. */
 
 extern struct list_head rcu_struct_flavors;