Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759508AbXFBCSB (ORCPT ); Fri, 1 Jun 2007 22:18:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752035AbXFBCRz (ORCPT ); Fri, 1 Jun 2007 22:17:55 -0400 Received: from e1.ny.us.ibm.com ([32.97.182.141]:56145 "EHLO e1.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751933AbXFBCRy (ORCPT ); Fri, 1 Jun 2007 22:17:54 -0400 Date: Fri, 1 Jun 2007 19:19:07 -0700 From: "Darrick J. Wong" To: "Eric W. Biederman" Cc: Emmanuel Fust? , linux-kernel Subject: Re: Device hang when offlining a CPU due to IRQ misrouting Message-ID: <20070602021906.GC13751@tree.beaverton.ibm.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 780 Lines: 19 On Fri, Jun 01, 2007 at 06:18:32PM -0600, Eric W. Biederman wrote: > I doubt it. The practical problem is that cpu_down does not > and by design can not call the irq balancing part properly > and I haven't yet seen anything to suggest that we don't migrate > irq properly. > > So I'm guessing it was the decision part. I'm not using any IRQ balancer, afaik. As I recall, CONFIG_IRQBALANCE is i386-only, and I'm not running the userland irqbalance program either. Just messing around with /proc/irq/*/smp_affinity by hand. :) --D - 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/