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@glider.be>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20180712144118.8819-1-geert+renesas@glider.be

diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 055a4a7..5c2af16 100644 (file)
--- 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 @@ retry:
        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 */