libata: struct device - replace bus_id with dev_name(), dev_set_name()

[pandora-kernel.git] / kernel / trace / trace_sysprof.c

diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index 54960ed..eaca5ad 100644 (file)
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -196,27 +196,19 @@ static enum hrtimer_restart stack_trace_timer_fn(struct hrtimer *hrtimer)
        return HRTIMER_RESTART;
 }
 
-static void start_stack_timer(int cpu)
+static void start_stack_timer(void *unused)
 {
-       struct hrtimer *hrtimer = &per_cpu(stack_trace_hrtimer, cpu);
+       struct hrtimer *hrtimer = &__get_cpu_var(stack_trace_hrtimer);
 
        hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
        hrtimer->function = stack_trace_timer_fn;
-       hrtimer->cb_mode = HRTIMER_CB_IRQSAFE_PERCPU;
 
        hrtimer_start(hrtimer, ns_to_ktime(sample_period), HRTIMER_MODE_REL);
 }
 
 static void start_stack_timers(void)
 {
-       cpumask_t saved_mask = current->cpus_allowed;
-       int cpu;
-
-       for_each_online_cpu(cpu) {
-               set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
-               start_stack_timer(cpu);
-       }
-       set_cpus_allowed_ptr(current, &saved_mask);
+       on_each_cpu(start_stack_timer, NULL, 1);
 }
 
 static void stop_stack_timer(int cpu)
@@ -234,20 +226,10 @@ static void stop_stack_timers(void)
                stop_stack_timer(cpu);
 }
 
-static void stack_reset(struct trace_array *tr)
-{
-       int cpu;
-
-       tr->time_start = ftrace_now(tr->cpu);
-
-       for_each_online_cpu(cpu)
-               tracing_reset(tr, cpu);
-}
-
 static void start_stack_trace(struct trace_array *tr)
 {
        mutex_lock(&sample_timer_lock);
-       stack_reset(tr);
+       tracing_reset_online_cpus(tr);
        start_stack_timers();
        tracer_enabled = 1;
        mutex_unlock(&sample_timer_lock);