From owner-freebsd-hackers Sun Jun 1 23:03:08 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id XAA29054 for hackers-outgoing; Sun, 1 Jun 1997 23:03:08 -0700 (PDT) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id XAA29045 for ; Sun, 1 Jun 1997 23:03:05 -0700 (PDT) Received: (from msmith@localhost) by genesis.atrad.adelaide.edu.au (8.8.5/8.7.3) id PAA19019; Mon, 2 Jun 1997 15:32:36 +0930 (CST) From: Michael Smith Message-Id: <199706020602.PAA19019@genesis.atrad.adelaide.edu.au> Subject: Re: weird scheduler crash (2.2) In-Reply-To: <199706020559.PAA18982@genesis.atrad.adelaide.edu.au> from Michael Smith at "Jun 2, 97 03:29:10 pm" To: msmith@genesis.atrad.adelaide.edu.au (Michael Smith) Date: Mon, 2 Jun 1997 15:32:35 +0930 (CST) Cc: dg@root.com, msmith@atrad.adelaide.edu.au, hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL28 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Michael Smith stands accused of saying: > > > > What is mdsio? It looks like it is configured as a "fast" interrupt > > handler, but is breaking the rules by calling the wakeup code. > > Ah, this is something I didn't know about. It's "just" an ISA driver. > > How do I determine whether an interrupt handler is configured "fast" or > "slow"? Where are the rules for "fast" and "slow" handlers described? Scratch the first one, I've found that. Teach me to crib code from other drivers 8( Is there a list of rules for "fast" interrupt handlers? -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[