Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 14 Mar 2002 13:23:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 14 Mar 2002 13:22:58 -0500 Received: from e31.co.us.ibm.com ([32.97.110.129]:24973 "EHLO e31.co.us.ibm.com") by vger.kernel.org with ESMTP id ; Thu, 14 Mar 2002 13:22:54 -0500 Date: Thu, 14 Mar 2002 10:22:34 -0800 From: "Martin J. Bligh" To: Martin Wilck , Ingo Molnar , oliend@us.ibm.com cc: Linux Kernel mailing list Subject: Re: Severe IRQ problems on Foster (P4 Xeon) system Message-ID: <41140000.1016130154@flay> In-Reply-To: <546494477.1016087693@[10.10.2.3]> In-Reply-To: <546494477.1016087693@[10.10.2.3]> X-Mailer: Mulberry/2.1.2 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >> Btw is it correct that one could also use the APIC Task Priority Registers >> to implement "fair" IRQ routing? (If linux adjusted them, which it >> currently doesn't). > > Yes, and Dave Olien has already done this. It's a good idea for P3, > and seems to me to be essential for P4. > > Dave, can you republish your patch? Apparently he's out for a few days. I poked around, and here's the latest version of his stuff I can find: http://sourceforge.net/project/showfiles.php?group_id=8875 Look under "APIC routing". Read the notes carefully - you have to activate it from the command line. M. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/