RE: can someone explain...[ PCI interrupts]

From: Darren Pilgrim <darren.pilgrim_at_bitfreak.org>
Date: Tue, 6 Dec 2005 23:20:59 -0800

From: John Baldwin
> 
> The reason [for masking interrupts] is that PCI interrupts are level
> triggered, so they won't "shut up" until the ISR has run and pacified
> the PCI device.

But PCI interrupts can be programmed either level- or edge-triggered, so
wouldn't programming to edge-triggered interrupts solve the "they won't shut
up" issue?

Received on Wed Dec 07 2005 - 06:21:07 UTC

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