From owner-freebsd-smp Wed Aug 11 22:40:14 1999 Delivered-To: freebsd-smp@freebsd.org Received: from mail.rdc1.sfba.home.com (ha1.rdc1.sfba.home.com [24.0.0.66]) by hub.freebsd.org (Postfix) with ESMTP id 5CB7714D81 for ; Wed, 11 Aug 1999 22:40:05 -0700 (PDT) (envelope-from adsharma@c62443-a.frmt1.sfba.home.com) Received: from c62443-a.frmt1.sfba.home.com ([24.0.69.165]) by mail.rdc1.sfba.home.com (InterMail v4.01.01.00 201-229-111) with ESMTP id <19990812053855.URA8807.mail.rdc1.sfba.home.com@c62443-a.frmt1.sfba.home.com>; Wed, 11 Aug 1999 22:38:55 -0700 Received: (from adsharma@localhost) by c62443-a.frmt1.sfba.home.com (8.9.3/8.9.3) id AAA14491; Thu, 12 Aug 1999 00:38:48 -0700 Date: Thu, 12 Aug 1999 00:38:48 -0700 From: Arun Sharma To: "Josep Maria M. Blanquer" Cc: freebsd-smp@FreeBSD.ORG Subject: Re: Questions Message-ID: <19990812003848.A14472@home.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.6i In-Reply-To: ; from Josep Maria M. Blanquer on Wed, Aug 11, 1999 at 08:01:14AM -0700 Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Wed, Aug 11, 1999 at 08:01:14AM -0700, Josep Maria M. Blanquer wrote: > The things I don't fully understant/I'm missing are: > 1- On the IO APIC configuration. When the IO APIC/(s) are configured > to forward the interrupts to the local APICs, the delivery mode > is set to the lowest priority and the destination mode is set up > to physical! Is that the way it should go? From my understanding > if you specify physical dest, you can only specify a single APIC > ID right? So that means that all INT are always forwarded to the > BSP (id 0)? Wrong. A physical destination ID of all 1s means broadcast to all local APICs. Refer to Chapter 7.4.9.1 (Pentium III manual, Vol 3, systems programming guide) -Arun To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message