diff和patch的使用
1) diff/patch这对工具在数学上来说,diff是对2个集合求差,patch是求和
diff A B > C 生成A和B的diff文件C
patch A C 给A打上diff文件得到B
patch -R B C B还原为A
2) 内核补丁
生成
diff -uNr linux-2.6.xxx linux-2.6.xxx.1 > diff.patch
升级
cp diff.patch linux-2.6.xxx/.
cd linux-2.6.xxx
patch -p1 diff.patch
可以参考$(linux_src)/Documentation/applying_patches.txt
linux操作系统文章专题:linux操作系统详解(linux不再难懂)
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