Date: Wed, 11 Nov 1998 21:16:31 -0800 From: Mike Smith <mike@smith.net.au> To: "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: PCI interrupts Message-ID: <199811120516.VAA07759@dingo.cdrom.com> In-Reply-To: Your message of "Thu, 12 Nov 1998 15:00:09 %2B1030." <XFMail.981112150009.doconnor@gsoft.com.au>
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> > I am wondering if anyone could tell me how FreeBSD would handle having > the PCI interrupt line continually asserted after calling the interrupt > handler for the device in question. ie would the interrupt routine keep > getting called? or would it only get called once? If the system is expecting a level-triggered interrupt, that is *extremely* bad. The interrupt handler will spin forever. The same goes for any other operating system. Your interrupt handler *must* clear the interrupt source before returning. [off topic] > Any help gratefully received.. I could probably send you some real Australian > beer if you want =) Just make sure there's some cold there in the 'fridge. I get back around the 30th or so of this month, and I've a week to kill in Adelaide. 8) Anything you think might go down well as tokens from afar? -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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