Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755366Ab0BSSWi (ORCPT ); Fri, 19 Feb 2010 13:22:38 -0500 Received: from nlpi129.sbcis.sbc.com ([207.115.36.143]:51242 "EHLO nlpi129.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755288Ab0BSSWg (ORCPT ); Fri, 19 Feb 2010 13:22:36 -0500 Date: Fri, 19 Feb 2010 12:22:09 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@router.home To: Andi Kleen cc: Nick Piggin , penberg@cs.helsinki.fi, linux-kernel@vger.kernel.org, linux-mm@kvack.org, haicheng.li@intel.com, rientjes@google.com Subject: Re: [PATCH] [4/4] SLAB: Fix node add timer race in cache_reap In-Reply-To: <20100215103250.GD21783@one.firstfloor.org> Message-ID: References: <20100211953.850854588@firstfloor.org> <20100211205404.085FEB1978@basil.firstfloor.org> <20100215061535.GI5723@laptop> <20100215103250.GD21783@one.firstfloor.org> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 622 Lines: 16 On Mon, 15 Feb 2010, Andi Kleen wrote: > > How, may I ask? cpuup_prepare in the hotplug notifier should always > > run before start_cpu_timer. > > I'm not fully sure, but I have the oops to prove it :) I still suspect that this has something to do with Pekka's changing the boot order for allocator bootstrap. Can we clarify why these problems exist before we try band aid? -- 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/