Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261300AbTEKMPO (ORCPT ); Sun, 11 May 2003 08:15:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261305AbTEKMPO (ORCPT ); Sun, 11 May 2003 08:15:14 -0400 Received: from modemcable204.207-203-24.mtl.mc.videotron.ca ([24.203.207.204]:59521 "EHLO montezuma.mastecende.com") by vger.kernel.org with ESMTP id S261300AbTEKMPN (ORCPT ); Sun, 11 May 2003 08:15:13 -0400 Date: Sun, 11 May 2003 08:17:53 -0400 (EDT) From: Zwane Mwaikambo X-X-Sender: zwane@montezuma.mastecende.com To: Jos Hulzink cc: "Martin J. Bligh" , linux-kernel Subject: Re: irq balancing: performance disaster In-Reply-To: <200305111200.31242.josh@stack.nl> Message-ID: References: <200305110118.10136.josh@stack.nl> <7750000.1052619248@[10.10.2.4]> <200305111200.31242.josh@stack.nl> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1442 Lines: 37 On Sun, 11 May 2003, Jos Hulzink wrote: > For the Mandrake 2.4.21-0.13mdk kernel, there is no noirqbalance option in the > kernel. I tried to contact the Mandrake guys about this, but unfortunately > their response is 0. This patch also fails badly, and I haven't decided yet > wether I'm willing to help a company which doesn't seem to care at all and > uses pre-kernels in their distribution. It was a bug in 2.4, fixed in Alan's tree by setting target_cpus to 0xff (previously cpu_online_map). There is no noirqbalance option in 2.4 because there is no in kernel irq balancer. Zwane Index: linux-2.4.21-pre1/include/asm-i386/smpboot.h =================================================================== RCS file: /build/cvsroot/linux-2.4.19/include/asm-i386/smpboot.h,v retrieving revision 1.2 diff -u -p -B -r1.2 smpboot.h --- linux-2.4.21-pre1/include/asm-i386/smpboot.h 8 Mar 2003 21:54:33 -0000 1.2 +++ linux-2.4.21-pre1/include/asm-i386/smpboot.h 10 Apr 2003 11:19:05 -0000 @@ -116,6 +116,6 @@ static inline int target_cpus(void) return cpu_online_map; } #else -#define target_cpus() (cpu_online_map) +#define target_cpus() (0xFF) #endif #endif -- function.linuxpower.ca - 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/