Author: HuaQing vision embedded institute. The Linux device driver development "(08 and 09 sep TOP50) annual list of best-selling chapter 10, interruption and the clock. This chapter covers Linux device driver programming timer interrupt and the processing. Because the interrupt service program execution does not exist when the context, therefore, request the interrupt service routine time as short as possible. Therefore, Linux in interrupt handling introduced into the top and the bottom half of the lower separation mechanism. In addition, the kernel of the processing of the clock interrupt mode, and also USES kernel timer software rely ultimately on the clock interrupt. Section 10.1 of the timer interruption and explain the concept and process. Section 10.2 explain Linux interrupt routine framework, and half of the top and bottom of the relationship between the half. Section 10.3 explain interruption programming method, Linux involved "

第10章、中断与时钟.pdf

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