aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/trace/trace_sysprof.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/trace/trace_sysprof.c')
-rw-r--r--kernel/trace/trace_sysprof.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index a5779bd975db..eaca5ad803ff 100644
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -196,9 +196,9 @@ static enum hrtimer_restart stack_trace_timer_fn(struct hrtimer *hrtimer)
196 return HRTIMER_RESTART; 196 return HRTIMER_RESTART;
197} 197}
198 198
199static void start_stack_timer(int cpu) 199static void start_stack_timer(void *unused)
200{ 200{
201 struct hrtimer *hrtimer = &per_cpu(stack_trace_hrtimer, cpu); 201 struct hrtimer *hrtimer = &__get_cpu_var(stack_trace_hrtimer);
202 202
203 hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); 203 hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
204 hrtimer->function = stack_trace_timer_fn; 204 hrtimer->function = stack_trace_timer_fn;
@@ -208,14 +208,7 @@ static void start_stack_timer(int cpu)
208 208
209static void start_stack_timers(void) 209static void start_stack_timers(void)
210{ 210{
211 cpumask_t saved_mask = current->cpus_allowed; 211 on_each_cpu(start_stack_timer, NULL, 1);
212 int cpu;
213
214 for_each_online_cpu(cpu) {
215 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
216 start_stack_timer(cpu);
217 }
218 set_cpus_allowed_ptr(current, &saved_mask);
219} 212}
220 213
221static void stop_stack_timer(int cpu) 214static void stop_stack_timer(int cpu)