摘要：This chapter introduces some conception about kernel synchronization generally.Critical Regions: Code paths that access and manipulate shared data.R... 阅读全文

摘要：In 2.6.x, there are 3 mechanisms for implementing a bottom half: softirqs, tasklets and work queues. Here's the comparison:Softirqs: Softirqs are s... 阅读全文

摘要：Recently I realized my English is still far from good. So in order to improve my English, I must not only read in English, but also think and write ... 阅读全文

摘要：这一章我们研究四种主要的数据结构： linked lists, queues, maps, binary trees.Linked Lists:() 在linux中，并不是直接将某个结构体作为链表的节点，而是在该结构中插入一个链表的节点。借助container_of()这个宏，我们可以轻松的找... 阅读全文

摘要：在Linux中，处理器所作的事可以归纳为3种情况：1、In user-space, executing user code in a process;2、In kernel-space, in process context, executing on behalf of a specific ... 阅读全文