[PATCH tip/core/rcu 16/18] rcu: Add tasks to expedited stall-warning messages
From: Paul E. McKenney
Date: Tue Oct 06 2015 - 12:33:28 EST
This commit adds task-print ability to the expedited RCU CPU stall
warning messages in preparation for adding stall warnings to
synchornize_rcu_expedited().
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcu/tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index b246aa0470dc..ed957c3b6c86 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3734,7 +3734,7 @@ static void synchronize_sched_expedited_wait(struct rcu_state *rsp)
sync_rcu_preempt_exp_done(rnp_root));
return;
}
- pr_err("INFO: %s detected expedited stalls on CPUs: {",
+ pr_err("INFO: %s detected expedited stalls on CPUs/tasks: {",
rsp->name);
rcu_for_each_leaf_node(rsp, rnp) {
(void)rcu_print_task_exp_stall(rnp);
--
2.5.2
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