From owner-freebsd-smp Fri Jun 23 4:25:13 2000 Delivered-To: freebsd-smp@freebsd.org Received: from anchor-post-30.mail.demon.net (anchor-post-30.mail.demon.net [194.217.242.88]) by hub.freebsd.org (Postfix) with ESMTP id 346DA37B5E2 for ; Fri, 23 Jun 2000 04:25:10 -0700 (PDT) (envelope-from n_hibma@qubesoft.com) Received: from calcaphon.demon.co.uk ([193.237.19.5] helo=bluebottle.qubesoft.com) by anchor-post-30.mail.demon.net with esmtp (Exim 2.12 #1) id 135Ra8-0008l7-0U; Fri, 23 Jun 2000 12:25:09 +0100 Received: from henny.webweaving.org (henny.qubesoft.com [192.168.1.5]) by bluebottle.qubesoft.com (8.9.3/8.9.1) with ESMTP id MAA21485; Fri, 23 Jun 2000 12:26:05 +0100 (BST) (envelope-from n_hibma@qubesoft.com) Received: from localhost (localhost [127.0.0.1]) by henny.webweaving.org (8.9.3/8.9.3) with ESMTP id KAA01580; Fri, 23 Jun 2000 10:55:15 +0100 (BST) (envelope-from n_hibma@qubesoft.com) Date: Fri, 23 Jun 2000 10:55:15 +0100 (BST) From: Nick Hibma X-Sender: n_hibma@localhost Reply-To: Nick Hibma To: Greg Lehey Cc: Matthew Dillon , freebsd-smp@FreeBSD.ORG Subject: Re: irunning, width in bits. In-Reply-To: <20000622140107.E845@sydney.worldwide.lemis.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > I think, however, that Nick's suggestion is a thing we should follow > up on--*after* we have got the simple case working. Once we have the > ability to block in interrupt context, I'm sure we'll find lots of > applications for our new-found freedom, some of them good. But first > we need to understand the environment. For one we can tell everyone that interrupts can be shared at a very low cost (which means that people can stop moving around hardware to get rid of shared interrupts) Just bung in your PCI cards, make sure all the ISA stuff sits on its own and off you go. Nick -- n_hibma@webweaving.org n_hibma@freebsd.org USB project http://www.etla.net/~n_hibma/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message