[通信]Linux User层和Kernel层常用的通信方式

转自：https://bbs.csdn.net/topics/390991551?page=1

 netlink:https://blog.csdn.net/stone8761/article/details/72780863

https://www.cnblogs.com/x_wukong/p/5920437.html

procfs:http://blog.chinaunix.net/uid-24613712-id-3969750.html