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
312 	trace_file = rcu_dereference_sched(tr->enter_syscall_files[syscall_nr]);  in ftrace_syscall_enter()
328 	buffer = tr->array_buffer.buffer;  in ftrace_syscall_enter()
345 	struct trace_array *tr = data;  in ftrace_syscall_exit()  local
360 	trace_file = rcu_dereference_sched(tr->exit_syscall_files[syscall_nr]);  in ftrace_syscall_exit()
374 	buffer = tr->array_buffer.buffer;  in ftrace_syscall_exit()
392 	struct trace_array *tr = file->tr;  in reg_event_syscall_enter()  local
400 	if (!tr->sys_refcount_enter)  in reg_event_syscall_enter()
401 		ret = register_trace_sys_enter(ftrace_syscall_enter, tr);  in reg_event_syscall_enter()
403 		rcu_assign_pointer(tr->enter_syscall_files[num], file);  in reg_event_syscall_enter()
404 		tr->sys_refcount_enter++;  in reg_event_syscall_enter()
413 	struct trace_array *tr = file->tr;  in unreg_event_syscall_enter()  local
420 	tr->sys_refcount_enter--;  in unreg_event_syscall_enter()
421 	RCU_INIT_POINTER(tr->enter_syscall_files[num], NULL);  in unreg_event_syscall_enter()
422 	if (!tr->sys_refcount_enter)  in unreg_event_syscall_enter()
423 		unregister_trace_sys_enter(ftrace_syscall_enter, tr);  in unreg_event_syscall_enter()
430 	struct trace_array *tr = file->tr;  in reg_event_syscall_exit()  local
438 	if (!tr->sys_refcount_exit)  in reg_event_syscall_exit()
439 		ret = register_trace_sys_exit(ftrace_syscall_exit, tr);  in reg_event_syscall_exit()
441 		rcu_assign_pointer(tr->exit_syscall_files[num], file);  in reg_event_syscall_exit()
442 		tr->sys_refcount_exit++;  in reg_event_syscall_exit()
451 	struct trace_array *tr = file->tr;  in unreg_event_syscall_exit()  local
458 	tr->sys_refcount_exit--;  in unreg_event_syscall_exit()
459 	RCU_INIT_POINTER(tr->exit_syscall_files[num], NULL);  in unreg_event_syscall_exit()
460 	if (!tr->sys_refcount_exit)  in unreg_event_syscall_exit()
461 		unregister_trace_sys_exit(ftrace_syscall_exit, tr);  in unreg_event_syscall_exit()