lockdep: Make RCU suspicious-access splats use pr_err

This commit switches RCU suspicious-access splats use pr_err() instead of the current INFO printk()s. This change makes it easier to automatically classify splats. Reported-by: Dmitry Vyukov <[email protected]> Signed-off-by: Paul E. McKenney <[email protected]>
oohal · Jan 23, 2017 · 4d4f88f · 4d4f88f
1 parent 7c6094d
commit 4d4f88f
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
@@ -4412,13 +4412,13 @@ void lockdep_rcu_suspicious(const char *file, const int line, const char *s)
 #endif /* #ifdef CONFIG_PROVE_RCU_REPEATEDLY */
 	/* Note: the following can be executed concurrently, so be careful. */
 	printk("\n");
-	printk("===============================\n");
-	printk("[ INFO: suspicious RCU usage. ]\n");
+	pr_err("===============================\n");
+	pr_err("[ ERR: suspicious RCU usage.  ]\n");
 	print_kernel_ident();
-	printk("-------------------------------\n");
-	printk("%s:%d %s!\n", file, line, s);
-	printk("\nother info that might help us debug this:\n\n");
-	printk("\n%srcu_scheduler_active = %d, debug_locks = %d\n",
+	pr_err("-------------------------------\n");
+	pr_err("%s:%d %s!\n", file, line, s);
+	pr_err("\nother info that might help us debug this:\n\n");
+	pr_err("\n%srcu_scheduler_active = %d, debug_locks = %d\n",
 	       !rcu_lockdep_current_cpu_online()
 			? "RCU used illegally from offline CPU!\n"
 			: !rcu_is_watching()