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CS 161: Lecture 3 CS 161: Lecture 3

CS 161: Lecture 3 - PowerPoint Presentation

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Uploaded On 2017-08-02

CS 161: Lecture 3 - PPT Presentation

2217 Context Switches Context Switching A context switch between two userlevel threads does not involve the kernel In fact the kernel isnt even aware of the existence of the threads The userlevel code must saverestore register state swap stack pointers etc ID: 575087

stack kernel registers user kernel stack user registers mips mode saved context trap switch define code thread register sys return syscall address

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