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nocb: Clarify RCU nocb CPU error message

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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@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-06-22 09:25:34 -07:00
parent a7886e899f
commit e082c7b381
1 changed files with 1 additions and 1 deletions
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2
kernel/rcu/tree_plugin.h
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@ -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],