System and method for interrupt handling

Details System and method for interrupt handling System and method for interrupt handling

2007-07-24

2007-07-24

Lee, Christopher E. (Department: 2111)

Electrical computers and digital data processing systems: input/

Interrupt processing

Handling vector

C719S318000, C719S321000

Reexamination Certificate

active

11558997

ABSTRACT:
A system, methodology and/or computer architecture that facilitates processing device interrupts (including level-triggered interrupts) in a user-mode process is provided. The kernel interrupt handler can cause a dedicated thread in the process to wake and invoke the driver interrupt service routine. This thread can then return control to the kernel interrupt handler. In addition to processing interrupts in an isolated mode, the context switching technique could be used in any isolated environment to process interrupts via dedicated execution context methods.

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Michael M. Swift, Brian N. Bershad and Henry M. Levy, “Improving the Reliability of Commodity Operating Systems,” Feb. 2005, ACM Transactions on Computer Systems, vol. 23, No. 1, pp. 77-110.

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