125 	struct trace_array *tr = iter->tr;  in print_syscall_enter()  local
152 		if (tr->trace_flags & TRACE_ITER_VERBOSE)  in print_syscall_enter()
310 	struct trace_array *tr = data;  in ftrace_syscall_enter()  local
326 	trace_file = rcu_dereference_sched(tr->enter_syscall_files[syscall_nr]);  in ftrace_syscall_enter()
342 	buffer = tr->trace_buffer.buffer;  in ftrace_syscall_enter()
358 	struct trace_array *tr = data;  in ftrace_syscall_exit()  local
373 	trace_file = rcu_dereference_sched(tr->exit_syscall_files[syscall_nr]);  in ftrace_syscall_exit()
387 	buffer = tr->trace_buffer.buffer;  in ftrace_syscall_exit()
405 	struct trace_array *tr = file->tr;  in reg_event_syscall_enter()  local
413 	if (!tr->sys_refcount_enter)  in reg_event_syscall_enter()
414 		ret = register_trace_sys_enter(ftrace_syscall_enter, tr);  in reg_event_syscall_enter()
416 		rcu_assign_pointer(tr->enter_syscall_files[num], file);  in reg_event_syscall_enter()
417 		tr->sys_refcount_enter++;  in reg_event_syscall_enter()
426 	struct trace_array *tr = file->tr;  in unreg_event_syscall_enter()  local
433 	tr->sys_refcount_enter--;  in unreg_event_syscall_enter()
434 	RCU_INIT_POINTER(tr->enter_syscall_files[num], NULL);  in unreg_event_syscall_enter()
435 	if (!tr->sys_refcount_enter)  in unreg_event_syscall_enter()
436 		unregister_trace_sys_enter(ftrace_syscall_enter, tr);  in unreg_event_syscall_enter()
443 	struct trace_array *tr = file->tr;  in reg_event_syscall_exit()  local
451 	if (!tr->sys_refcount_exit)  in reg_event_syscall_exit()
452 		ret = register_trace_sys_exit(ftrace_syscall_exit, tr);  in reg_event_syscall_exit()
454 		rcu_assign_pointer(tr->exit_syscall_files[num], file);  in reg_event_syscall_exit()
455 		tr->sys_refcount_exit++;  in reg_event_syscall_exit()
464 	struct trace_array *tr = file->tr;  in unreg_event_syscall_exit()  local
471 	tr->sys_refcount_exit--;  in unreg_event_syscall_exit()
472 	RCU_INIT_POINTER(tr->exit_syscall_files[num], NULL);  in unreg_event_syscall_exit()
473 	if (!tr->sys_refcount_exit)  in unreg_event_syscall_exit()
474 		unregister_trace_sys_exit(ftrace_syscall_exit, tr);  in unreg_event_syscall_exit()