68 	if (!current->ret_stack)  in ftrace_push_return_trace()
78 	if (current->curr_ret_stack == FTRACE_RETFUNC_DEPTH - 1) {  in ftrace_push_return_trace()
79 		atomic_inc(&current->trace_overrun);  in ftrace_push_return_trace()
85 	index = ++current->curr_ret_stack;  in ftrace_push_return_trace()
87 	current->ret_stack[index].ret = ret;  in ftrace_push_return_trace()
88 	current->ret_stack[index].func = func;  in ftrace_push_return_trace()
89 	current->ret_stack[index].calltime = calltime;  in ftrace_push_return_trace()
91 	current->ret_stack[index].fp = frame_pointer;  in ftrace_push_return_trace()
94 	current->ret_stack[index].retp = retp;  in ftrace_push_return_trace()
128 	trace.depth = ++current->curr_ret_depth;  in function_graph_enter()
139 	current->curr_ret_stack--;  in function_graph_enter()
141 	current->curr_ret_depth--;  in function_graph_enter()
152 	index = current->curr_ret_stack;  in ftrace_pop_return_trace()
177 	if (unlikely(current->ret_stack[index].fp != frame_pointer)) {  in ftrace_pop_return_trace()
181 		     current->ret_stack[index].fp,  in ftrace_pop_return_trace()
183 		     (void *)current->ret_stack[index].func,  in ftrace_pop_return_trace()
184 		     current->ret_stack[index].ret);  in ftrace_pop_return_trace()
190 	*ret = current->ret_stack[index].ret;  in ftrace_pop_return_trace()
191 	trace->func = current->ret_stack[index].func;  in ftrace_pop_return_trace()
192 	trace->calltime = current->ret_stack[index].calltime;  in ftrace_pop_return_trace()
193 	trace->overrun = atomic_read(&current->trace_overrun);  in ftrace_pop_return_trace()
194 	trace->depth = current->curr_ret_depth--;  in ftrace_pop_return_trace()
246 	current->curr_ret_stack--;  in ftrace_return_to_handler()