Re: [patch] i386 longstanding irqs may be mistaken with spurious

Tim Waugh (tim@cyberelk.demon.co.uk)
Sun, 22 Aug 1999 16:31:03 +0100 (GMT)


On Thu, 19 Aug 1999, Andrea Arcangeli wrote:

> We still don't know how the interrupt got generated in the parallel port,
> but IMO it would be better to handle the case where there is an interrupt
> pending for the device we are going to irq-probe.

When we disable irqs (nAck- or nFault-triggered), a currently-active
interrupt line causes another interrupt to be generated, to avoid races.
It sounds like that's what's happening, in which case there I don't think
there's really a lot we can do about it.

Tim.
*/

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