]> git.openfabrics.org - ~shefty/rdma-dev.git/blobdiff - kernel/watchdog.c
watchdog: Fix disable/enable regression
[~shefty/rdma-dev.git] / kernel / watchdog.c
index 997c6a16ec2278969a10f251f63f237e7559d42e..75a2ab3d0b0208dfa51e40339ffd00206622732e 100644 (file)
@@ -344,6 +344,10 @@ static void watchdog_enable(unsigned int cpu)
 {
        struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
 
+       /* kick off the timer for the hardlockup detector */
+       hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+       hrtimer->function = watchdog_timer_fn;
+
        if (!watchdog_enabled) {
                kthread_park(current);
                return;
@@ -352,10 +356,6 @@ static void watchdog_enable(unsigned int cpu)
        /* Enable the perf event */
        watchdog_nmi_enable(cpu);
 
-       /* kick off the timer for the hardlockup detector */
-       hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-       hrtimer->function = watchdog_timer_fn;
-
        /* done here because hrtimer_start can only pin to smp_processor_id() */
        hrtimer_start(hrtimer, ns_to_ktime(sample_period),
                      HRTIMER_MODE_REL_PINNED);
@@ -369,9 +369,6 @@ static void watchdog_disable(unsigned int cpu)
 {
        struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
 
-       if (!watchdog_enabled)
-               return;
-
        watchdog_set_prio(SCHED_NORMAL, 0);
        hrtimer_cancel(hrtimer);
        /* disable the perf event */