diff options
Diffstat (limited to 'kernel/trace/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 4d2e751bfb11..f03fe74ecd67 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1484,3 +1484,19 @@ ftrace_enable_sysctl(struct ctl_table *table, int write, return ret; } +#ifdef CONFIG_FUNCTION_RET_TRACER +trace_function_return_t ftrace_function_return = + (trace_function_return_t)ftrace_stub; +void register_ftrace_return(trace_function_return_t func) +{ + ftrace_function_return = func; +} + +void unregister_ftrace_return(void) +{ + ftrace_function_return = (trace_function_return_t)ftrace_stub; +} +#endif + + + |