The following commit has been merged into the core/rcu branch of tip:
Commit-ID: e082c7b38185af0f59e55efff840939c35391f85
Gitweb: https://git.kernel.org/tip/e082c7b38185af0f59e55efff840939c35391f85
Author: Paul E. McKenney <paulmck@xxxxxxxxxx>
AuthorDate: Mon, 22 Jun 2020 09:25:34 -07:00
Committer: Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Mon, 24 Aug 2020 18:36:05 -07:00
nocb: Clarify RCU nocb CPU error message
A message of the form "rcu: !!! lDTs ." can be tracked down, but
doing so is not trivial. This commit therefore eases this process by
adding text so that this error message now reads as follows:
"rcu: nocb GP activity on CB-only CPU!!! lDTs ."
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
kernel/rcu/tree_plugin.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 982fc5b..bbc0c07 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -2417,7 +2417,7 @@ static void show_rcu_nocb_state(struct rcu_data *rdp)
!waslocked && !wastimer && !wassleep)
return; /* Nothing untowards. */
- pr_info(" !!! %c%c%c%c %c\n",
+ pr_info(" nocb GP activity on CB-only CPU!!! %c%c%c%c %c\n",
"lL"[waslocked],
"dD"[!!rdp->nocb_defer_wakeup],
"tT"[wastimer],
|