linux-kernel - [PATCH] time: hrtimer: Improve kernel message printing

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Message-Id: <20180712144118.8819-1-geert+renesas@glider.be>
Date:   Thu, 12 Jul 2018 16:41:18 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] time: hrtimer: Improve kernel message printing

  - Join split message for easier grepping,
  - Use pr_*() instead of printk*(),
  - Use %u to format unsigned cpu numbers.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 kernel/time/hrtimer.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 3e93c54bd3a16b7f..e1a549c9e3991830 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -718,8 +718,8 @@ static void hrtimer_switch_to_hres(void)
 	struct hrtimer_cpu_base *base = this_cpu_ptr(&hrtimer_bases);
 
 	if (tick_init_highres()) {
-		printk(KERN_WARNING "Could not switch to high resolution "
-				    "mode on CPU %d\n", base->cpu);
+		pr_warn("Could not switch to high resolution mode on CPU %u\n",
+			base->cpu);
 		return;
 	}
 	base->hres_active = 1;
@@ -1573,8 +1573,7 @@ void hrtimer_interrupt(struct clock_event_device *dev)
 	else
 		expires_next = ktime_add(now, delta);
 	tick_program_event(expires_next, 1);
-	printk_once(KERN_WARNING "hrtimer: interrupt took %llu ns\n",
-		    ktime_to_ns(delta));
+	pr_warn_once("hrtimer: interrupt took %llu ns\n", ktime_to_ns(delta));
 }
 
 /* called with interrupts disabled */
-- 
2.17.1