diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/watchdog.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 203fc6e1a28..a01cb03b045 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -9,6 +9,8 @@ * to those contributors as well. */ +#define pr_fmt(fmt) "NMI watchdog: " fmt + #include <linux/mm.h> #include <linux/cpu.h> #include <linux/nmi.h> @@ -373,18 +375,20 @@ static int watchdog_nmi_enable(int cpu) /* Try to register using hardware perf events */ event = perf_event_create_kernel_counter(wd_attr, cpu, NULL, watchdog_overflow_callback, NULL); if (!IS_ERR(event)) { - printk(KERN_INFO "NMI watchdog enabled, takes one hw-pmu counter.\n"); + pr_info("enabled, takes one hw-pmu counter.\n"); goto out_save; } /* vary the KERN level based on the returned errno */ if (PTR_ERR(event) == -EOPNOTSUPP) - printk(KERN_INFO "NMI watchdog disabled (cpu%i): not supported (no LAPIC?)\n", cpu); + pr_info("disabled (cpu%i): not supported (no LAPIC?)\n", cpu); else if (PTR_ERR(event) == -ENOENT) - printk(KERN_WARNING "NMI watchdog disabled (cpu%i): hardware events not enabled\n", cpu); + pr_warning("disabled (cpu%i): hardware events not enabled\n", + cpu); else - printk(KERN_ERR "NMI watchdog disabled (cpu%i): unable to create perf event: %ld\n", cpu, PTR_ERR(event)); + pr_err("disabled (cpu%i): unable to create perf event: %ld\n", + cpu, PTR_ERR(event)); return PTR_ERR(event); /* success path */ @@ -439,7 +443,7 @@ static int watchdog_enable(int cpu) struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 }; p = kthread_create_on_node(watchdog, NULL, cpu_to_node(cpu), "watchdog/%d", cpu); if (IS_ERR(p)) { - printk(KERN_ERR "softlockup watchdog for %i failed\n", cpu); + pr_err("softlockup watchdog for %i failed\n", cpu); if (!err) { /* if hardlockup hasn't already set this */ err = PTR_ERR(p); @@ -495,7 +499,7 @@ static void watchdog_enable_all_cpus(void) watchdog_enabled = 1; if (!watchdog_enabled) - printk(KERN_ERR "watchdog: failed to be enabled on some cpus\n"); + pr_err("failed to be enabled on some cpus\n"); } |