130 	struct trace_array *tr = iter->tr;  in print_syscall_enter()  local
157 		if (tr->trace_flags & TRACE_ITER_VERBOSE)  in print_syscall_enter()
295 	struct trace_array *tr = data;  in ftrace_syscall_enter()  local
311 	trace_file = rcu_dereference_sched(tr->enter_syscall_files[syscall_nr]);  in ftrace_syscall_enter()
326 	buffer = tr->array_buffer.buffer;  in ftrace_syscall_enter()
343 	struct trace_array *tr = data;  in ftrace_syscall_exit()  local
357 	trace_file = rcu_dereference_sched(tr->exit_syscall_files[syscall_nr]);  in ftrace_syscall_exit()
370 	buffer = tr->array_buffer.buffer;  in ftrace_syscall_exit()
388 	struct trace_array *tr = file->tr;  in reg_event_syscall_enter()  local
396 	if (!tr->sys_refcount_enter)  in reg_event_syscall_enter()
397 		ret = register_trace_sys_enter(ftrace_syscall_enter, tr);  in reg_event_syscall_enter()
399 		rcu_assign_pointer(tr->enter_syscall_files[num], file);  in reg_event_syscall_enter()
400 		tr->sys_refcount_enter++;  in reg_event_syscall_enter()
409 	struct trace_array *tr = file->tr;  in unreg_event_syscall_enter()  local
416 	tr->sys_refcount_enter--;  in unreg_event_syscall_enter()
417 	RCU_INIT_POINTER(tr->enter_syscall_files[num], NULL);  in unreg_event_syscall_enter()
418 	if (!tr->sys_refcount_enter)  in unreg_event_syscall_enter()
419 		unregister_trace_sys_enter(ftrace_syscall_enter, tr);  in unreg_event_syscall_enter()
426 	struct trace_array *tr = file->tr;  in reg_event_syscall_exit()  local
434 	if (!tr->sys_refcount_exit)  in reg_event_syscall_exit()
435 		ret = register_trace_sys_exit(ftrace_syscall_exit, tr);  in reg_event_syscall_exit()
437 		rcu_assign_pointer(tr->exit_syscall_files[num], file);  in reg_event_syscall_exit()
438 		tr->sys_refcount_exit++;  in reg_event_syscall_exit()
447 	struct trace_array *tr = file->tr;  in unreg_event_syscall_exit()  local
454 	tr->sys_refcount_exit--;  in unreg_event_syscall_exit()
455 	RCU_INIT_POINTER(tr->exit_syscall_files[num], NULL);  in unreg_event_syscall_exit()
456 	if (!tr->sys_refcount_exit)  in unreg_event_syscall_exit()
457 		unregister_trace_sys_exit(ftrace_syscall_exit, tr);  in unreg_event_syscall_exit()