Re: Interrupt Sharing

Robert Love (rml@tech9.net)
24 Sep 2002 17:25:02 -0400


On Tue, 2002-09-24 at 17:19, Mohamed Ghouse , Gurgaon wrote:

> Let me Re-Phrase the Question
> The PCI Interrupts are shareable. How does the Operating System(Linux)
> implement this?

It does not have to do anything special, actually. If interrupt n comes
in, then each handler registered on interrupt n is run.

The incorrect handlers should check for work to do, see none, and
return. The correct one will actually run.

Robert Love

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