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-rw-r--r--kernel/trace/ftrace.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 32837e19e3b..6d2cb14f944 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3234,7 +3234,8 @@ free:
3234} 3234}
3235 3235
3236static void 3236static void
3237ftrace_graph_probe_sched_switch(struct task_struct *prev, struct task_struct *next) 3237ftrace_graph_probe_sched_switch(void *ignore,
3238 struct task_struct *prev, struct task_struct *next)
3238{ 3239{
3239 unsigned long long timestamp; 3240 unsigned long long timestamp;
3240 int index; 3241 int index;
@@ -3288,7 +3289,7 @@ static int start_graph_tracing(void)
3288 } while (ret == -EAGAIN); 3289 } while (ret == -EAGAIN);
3289 3290
3290 if (!ret) { 3291 if (!ret) {
3291 ret = register_trace_sched_switch(ftrace_graph_probe_sched_switch); 3292 ret = register_trace_sched_switch(ftrace_graph_probe_sched_switch, NULL);
3292 if (ret) 3293 if (ret)
3293 pr_info("ftrace_graph: Couldn't activate tracepoint" 3294 pr_info("ftrace_graph: Couldn't activate tracepoint"
3294 " probe to kernel_sched_switch\n"); 3295 " probe to kernel_sched_switch\n");
@@ -3364,7 +3365,7 @@ void unregister_ftrace_graph(void)
3364 ftrace_graph_entry = ftrace_graph_entry_stub; 3365 ftrace_graph_entry = ftrace_graph_entry_stub;
3365 ftrace_shutdown(FTRACE_STOP_FUNC_RET); 3366 ftrace_shutdown(FTRACE_STOP_FUNC_RET);
3366 unregister_pm_notifier(&ftrace_suspend_notifier); 3367 unregister_pm_notifier(&ftrace_suspend_notifier);
3367 unregister_trace_sched_switch(ftrace_graph_probe_sched_switch); 3368 unregister_trace_sched_switch(ftrace_graph_probe_sched_switch, NULL);
3368 3369
3369 out: 3370 out:
3370 mutex_unlock(&ftrace_lock); 3371 mutex_unlock(&ftrace_lock);