1. 查看内核版本 [rootlocalhost test]# uname -r 3.10.0-862.el7.x86_64 2. 切换到相应的内核源码中 [rootlocalhost test]# cd /usr/src/kernels/3.10.0-862.el7.x86_64/drivers/ [rootlocalhost test]# mkdir test 3. 编写hello.c 及 Makefile cat hello.c: [rootlocalhost test]# cat