From owner-freebsd-hackers Wed Nov 11 21:24:15 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id VAA26600 for freebsd-hackers-outgoing; Wed, 11 Nov 1998 21:24:15 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from dingo.cdrom.com (castles205.castles.com [208.214.165.205]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id VAA26594 for ; Wed, 11 Nov 1998 21:24:12 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (localhost [127.0.0.1]) by dingo.cdrom.com (8.9.1/8.8.8) with ESMTP id VAA07759; Wed, 11 Nov 1998 21:16:31 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Message-Id: <199811120516.VAA07759@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: "Daniel O'Connor" cc: freebsd-hackers@FreeBSD.ORG Subject: Re: PCI interrupts In-reply-to: Your message of "Thu, 12 Nov 1998 15:00:09 +1030." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 11 Nov 1998 21:16:31 -0800 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > 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