tracing: Remove syscall_exit_fields

[pandora-kernel.git] / kernel / watchdog.c

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 6e3c41a..6e7b575 100644 (file)
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -57,6 +57,8 @@ static int __init hardlockup_panic_setup(char *str)
 {
        if (!strncmp(str, "panic", 5))
                hardlockup_panic = 1;
+       else if (!strncmp(str, "0", 1))
+               no_watchdog = 1;
        return 1;
 }
 __setup("nmi_watchdog=", hardlockup_panic_setup);
@@ -307,7 +309,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
  */
 static int watchdog(void *unused)
 {
-       struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
+       static struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
        struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
 
        sched_setscheduler(current, SCHED_FIFO, &param);
@@ -364,7 +366,8 @@ static int watchdog_nmi_enable(int cpu)
                goto out_save;
        }
 
-       printk(KERN_ERR "NMI watchdog failed to create perf event on cpu%i: %p\n", cpu, event);
+       printk(KERN_ERR "NMI watchdog disabled for cpu%i: unable to create perf event: %ld\n",
+              cpu, PTR_ERR(event));
        return PTR_ERR(event);
 
        /* success path */
@@ -547,13 +550,13 @@ static struct notifier_block __cpuinitdata cpu_nfb = {
        .notifier_call = cpu_callback
 };
 
-static int __init spawn_watchdog_task(void)
+void __init lockup_detector_init(void)
 {
        void *cpu = (void *)(long)smp_processor_id();
        int err;
 
        if (no_watchdog)
-               return 0;
+               return;
 
        err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu);
        WARN_ON(notifier_to_errno(err));
@@ -561,6 +564,5 @@ static int __init spawn_watchdog_task(void)
        cpu_callback(&cpu_nfb, CPU_ONLINE, cpu);
        register_cpu_notifier(&cpu_nfb);
 
-       return 0;
+       return;
 }
-early_initcall(spawn_watchdog_task);