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rcu: Provide more diagnostics for stalled GP kthread

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Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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Paul E. McKenney
2015-05-19 14:16:52 -07:00
parent d770e558e2
commit 319362c90f
2 changed files with 13 additions and 3 deletions
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6
kernel/rcu/tree.h
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@@ -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;