From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 17 Dec 2002 18:24:13 +0000 (GMT) Received: from p508B6DCE.dip.t-dialin.net ([IPv6:::ffff:80.139.109.206]:13973 "EHLO dea.linux-mips.net") by linux-mips.org with ESMTP id ; Tue, 17 Dec 2002 18:24:12 +0000 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.6/8.11.6) id gBHINjI18394; Tue, 17 Dec 2002 19:23:45 +0100 Date: Tue, 17 Dec 2002 19:23:44 +0100 From: Ralf Baechle To: Dominic Sweetman Cc: "Maciej W. Rozycki" , Jun Sun , linux-mips@linux-mips.org Subject: Re: [PATCH] add dispatch_i8259_irq() to i8259.c Message-ID: <20021217192344.A18364@linux-mips.org> References: <20021216124009.D10178@mvista.com> <15871.13866.515311.16388@arsenal.algor.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <15871.13866.515311.16388@arsenal.algor.co.uk>; from dom@algor.co.uk on Tue, Dec 17, 2002 at 02:35:22PM +0000 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 913 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Tue, Dec 17, 2002 at 02:35:22PM +0000, Dominic Sweetman wrote: > Alternatively, many MIPS systems have a hardware feature which enables > them to generate imitation-x86 interrupt acknowledge cycles, so you > can keep the 8259s in complete ignorance that they're not being > controlled by an x86. Unless the hardware is an RM200 where under special circumstances the hardware acknowledge feature may result in loss of some or all i8259 interrupts until full-reinitialization of the i8259 ... Bugs, bugs ... Ralf