From: Paul E. McKenney Date: Mon, 22 Jun 2020 16:25:34 +0000 (-0700) Subject: nocb: Clarify RCU nocb CPU error message X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e082c7b38185af0f59e55efff840939c35391f85;p=linux.git 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 --- diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 982fc5be52698..bbc0c07ce56e4 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],