Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757379AbYJXRlZ (ORCPT ); Fri, 24 Oct 2008 13:41:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751574AbYJXRlR (ORCPT ); Fri, 24 Oct 2008 13:41:17 -0400 Received: from az33egw02.freescale.net ([192.88.158.103]:54171 "EHLO az33egw02.freescale.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750817AbYJXRlQ (ORCPT ); Fri, 24 Oct 2008 13:41:16 -0400 Message-ID: <4902086E.6030900@freescale.com> Date: Fri, 24 Oct 2008 12:39:58 -0500 From: Scott Wood User-Agent: Mozilla-Thunderbird 2.0.0.16 (X11/20080724) MIME-Version: 1.0 To: Kumar Gala CC: Chris Snook , LinuxPPC-dev list , tglx@linutronix.de, linux-kernel Kernel , maxk@qualcomm.com Subject: Re: default IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems) References: <4E3CD4D5-FC1B-40BF-A776-C612B95806B8@kernel.crashing.org> <4901E6FB.4070200@redhat.com> <36A821E7-7F37-42AF-9A05-7205FCBF89EE@kernel.crashing.org> <4901F31E.9040007@redhat.com> <5967704E-0117-46B8-8505-6A002502C38C@kernel.crashing.org> In-Reply-To: <5967704E-0117-46B8-8505-6A002502C38C@kernel.crashing.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 542 Lines: 14 Kumar Gala wrote: > So why not just have x86 startup code set irq_default_affinity = > CPU_MASK_ALL than? That doesn't really solve the problem, as a user could still manually set an invalid affinity. The MPIC driver should reduce the affinity itself to what the hardware can handle. -Scott -- 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/