From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264155AbTKJW6v (ORCPT ); Mon, 10 Nov 2003 17:58:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264151AbTKJW6v (ORCPT ); Mon, 10 Nov 2003 17:58:51 -0500 Received: from e35.co.us.ibm.com ([32.97.110.133]:16776 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S264165AbTKJW6t (ORCPT ); Mon, 10 Nov 2003 17:58:49 -0500 Importance: Normal Sensitivity: Subject: Re: 2.6.0 kernel: Bind interrupt question. To: Anton Blanchard Cc: linux-kernel@vger.kernel.org From: Dong V Nguyen Date: Mon, 10 Nov 2003 15:58:45 -0700 Message-ID: X-MIMETrack: Serialize by Router on D03NM121/03/M/IBM(Release 6.0.2CF2|July 23, 2003) at 11/10/2003 15:58:47 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 Anton, You're right. By defaut, the CONFIG_NR_CPUS is set to 32. I need to reset that and rebuild the kernel to try the interrupt binding again. Thanks, Anton Blanchard on 11/10/2003 04:48:22 PM To: Dong V Nguyen/Austin/IBM@IBMUS cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.0 kernel: Bind interrupt question. Hi, > Have you seen any problems with interrupt binding on 2.6.0-drv45003 ? > I tried this command to bind interrupt, but it does not work: > ============================ > cat /proc/irq/165/smp_affinity > ffffffff00000000 > echo 01 > /proc/irq/165/smp_affinity > cat /proc/irq/165/smp_affinity > ffffffff00000000 This is probably a ppc64 specific issue, we can continue this on linuxppc64-dev@lists.linuxppc.org > There is nothing changed after binding. > One thing I see is it shows 16 digits "ffffffff00000000" on 2.6.0 while > only 8 digits in 2.4 . Its part of the support for > 32way machines, but it looks like its broken for some configurations (Im guessing you have CONFIG_NR_CPUS set to 32). Anton