使用gitformat-patch生成所需要的patch:

# git format-patch -s1bbe3c8c197a35f79bfddaba099270a2e54ea9c7

please replace the hash code with your repo previous commit.

then you can find the patch under repo directory.

then mail your patch to configuration admin. 

(使用-s或--signoff選項，可以commit資訊中加入Signed-off-by資訊)

或git am

http://blog.csdn.net/mliubing2532/article/details/7577905

http://blog.csdn.net/yuyin86/article/details/8087057