Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 13 Aug 2002 13:24:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 13 Aug 2002 13:24:55 -0400 Received: from e2.ny.us.ibm.com ([32.97.182.102]:62859 "EHLO e2.ny.us.ibm.com") by vger.kernel.org with ESMTP id ; Tue, 13 Aug 2002 13:24:04 -0400 Date: Tue, 13 Aug 2002 10:24:55 -0700 From: "Martin J. Bligh" To: Alan Cox , Linus Torvalds cc: linux-kernel Subject: Re: [PATCH] NUMA-Q disable irqbalance Message-ID: <1996570000.1029259495@flay> In-Reply-To: <1029257866.20980.54.camel@irongate.swansea.linux.org.uk> References: <1029257866.20980.54.camel@irongate.swansea.linux.org.uk> 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 Content-Length: 677 Lines: 15 > In the 2.4-ac tree it is a dynamic disable keyed off the mp 1.4 tables. > That's how James Cleverdon (I think it was he) implemented the detection > logic and mixed summit/sane-pc kernel build that seems to work well now The trouble with that is that is it doesn't provide an interface for people to disable it by hand for the many cases where constantly reprogramming the IO-APIC reduces the performance of their workload. 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/