From owner-freebsd-smp Wed Dec 6 11:30:40 2000 From owner-freebsd-smp@FreeBSD.ORG Wed Dec 6 11:30:38 2000 Return-Path: Delivered-To: freebsd-smp@freebsd.org Received: from mass.osd.bsdi.com (adsl-63-202-176-64.dsl.snfc21.pacbell.net [63.202.176.64]) by hub.freebsd.org (Postfix) with ESMTP id 3F1BE37B400 for ; Wed, 6 Dec 2000 11:30:38 -0800 (PST) Received: from mass.osd.bsdi.com (localhost [127.0.0.1]) by mass.osd.bsdi.com (8.11.0/8.11.1) with ESMTP id eB6JdOF37209; Wed, 6 Dec 2000 11:39:36 -0800 (PST) (envelope-from msmith@mass.osd.bsdi.com) Message-Id: <200012061939.eB6JdOF37209@mass.osd.bsdi.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: Bruce Evans Cc: smp@FreeBSD.ORG Subject: Interrupt latency (was Re: Mutex types. ) In-reply-to: Your message of "Wed, 06 Dec 2000 17:56:13 +1100." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 06 Dec 2000 11:39:24 -0800 From: Mike Smith Sender: msmith@mass.osd.bsdi.com Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > ... This > only works right on machines that have per-interrupt interrupt masking, > but so does our general interrupt scheme.) Since most of the machines we're likely to run on for the next few years *don't* have this feature, I'd say it would make a lot more sense to spend some effort on devising an interrupt scheme that worked well without that assumption... -- ... every activity meets with opposition, everyone who acts has his rivals and unfortunately opponents also. But not because people want to be opponents, rather because the tasks and relationships force people to take different points of view. [Dr. Fritz Todt] V I C T O R Y N O T V E N G E A N C E To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message