Transcription of Interrupts)in)Linux) - Columbia University
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Interrupts)in)Linux) - Columbia University
interrupts in linux COMS W4118 Prof. Kaustubh R. Joshi ~krj/os 2/13/13 COMS W4118. Spring 2013, Columbia University . Instructor: Dr. Kaustubh Joshi, AT&T Labs. 1 References: OperaWng Sys Concepts 9e, Understanding the linux kernel , previous W4118s Copyright no2ce: care has been taken to use only those web images deemed by the instructor to be in the public domain. If you see a copyrighted image on any slide and are the copyright owner, please contact the instructor. It will be removed. Why interrupts ? Devices require a prompt response from the CPU when various events occur, even when the CPU is busy running a program Need a mechanism for a device to gain CPU s aFenWon The kernel as a MulWthreaded Server I/O device Timer Process Process Process kernel Data structures In common address space Syscall Syscall Interrupt Overview interrupts and ExcepWons ExcepWon Types and Handling Interru
The)Kernel)as)aMulWthreaded)Server) I/O) device) Timer) Process) Process) Process) Kernel) Datastructures) In)common)address)space) Syscall) Syscall) Interrupt
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