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