From owner-freebsd-current@FreeBSD.ORG Thu Dec 8 18:55:54 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 96D1116A423; Thu, 8 Dec 2005 18:55:54 +0000 (GMT) (envelope-from darren.pilgrim@bitfreak.org) Received: from mail.bitfreak.org (mail.bitfreak.org [65.75.198.146]) by mx1.FreeBSD.org (Postfix) with ESMTP id B800543D6A; Thu, 8 Dec 2005 18:55:46 +0000 (GMT) (envelope-from darren.pilgrim@bitfreak.org) Received: from smiley (mail.bitfreak.org [65.75.198.146]) by mail.bitfreak.org (Postfix) with ESMTP id 0127219F2C; Thu, 8 Dec 2005 10:55:35 -0800 (PST) From: "Darren Pilgrim" To: "'John Baldwin'" Date: Thu, 8 Dec 2005 10:55:27 -0800 Message-ID: <000101c5fc28$f791b520$642a15ac@smiley> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: <200512080937.22418.jhb@freebsd.org> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Cc: freebsd-current@freebsd.org Subject: RE: can someone explain...[ PCI interrupts] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Dec 2005 18:55:54 -0000 From: John Baldwin > On Wednesday 07 December 2005 06:11 pm, Darren Pilgrim wrote: > > What if the APIC was programmed to be edge-triggered just before the > > ithread runs and programmed back to level-trigger when the ithread > > completes? >=20 > I'd rather work on my other solution which might be about 5 lines of = code=20 > rather than screw around with the APICs when that might have other = side=20 > effects. My apologies, I didn't intend to come off as dictating design. I'm interested in the subject and it's rare to find people knowledgeable and willing to converse about more advanced topics. Like many others here, I have a very significant investment in hardware = to which this directly relates. I wanted to find out about the details of = the behavior I'm observing and the impact of various solutions as both a business man and a student of engineering.