tick: Change log level of NOHZ: local_softirq_pending message

The "NOHZ: local_softirq_pending" message is a largely informational
message.  This makes extra work for customers that have a policy of
investigating all kernel log messages logged at <= KERN_ERR log level.
This patch sets the message to a different log level.

[ tglx: Use pr_warn() ]

Signed-off-by: Rado Vrbovsky <rvrbovsk@redhat.com>
Cc: Don Zickus <dzickus@redhat.com>
Link: http://lkml.kernel.org/r/2037057938.893524.1360345050772.JavaMail.root@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index a19a399..225f8bf 100644 (file)
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -482,8 +482,8 @@ static bool can_stop_idle_tick(int cpu, struct tick_sched *ts)
 
                if (ratelimit < 10 &&
                    (local_softirq_pending() & SOFTIRQ_STOP_IDLE_MASK)) {
-                       printk(KERN_ERR "NOHZ: local_softirq_pending %02x\n",
-                              (unsigned int) local_softirq_pending());
+                       pr_warn("NOHZ: local_softirq_pending %02x\n",
+                               (unsigned int) local_softirq_pending());
                        ratelimit++;
                }
                return false;