Re: Common IRQ pitfall results in lockup.

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 7 Nov 1999 22:04:13 +0000 (GMT)


> (Also, note that until recently, the serial driver didn't allow IRQ
> sharing at all, so the 2.2 serial driver, which doesn't support PCI,
> shouldn't really be a problem except for PCMCIA cards, which were the
> only exeception to that rule to support multifunction serial/network
> cards, and none of the ethernet drivers are affected. So the current
> 2.2 serial driver shouldn't be causing any problems as far as I can
> tell.)

The big problems will be SCSI. The obvious way to solve this IMHO is to
make 2.3.27pre BUG() any attempt register a shareable IRQ with NULL as
the dev_id

Alan

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