Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753761AbYKFQJn (ORCPT ); Thu, 6 Nov 2008 11:09:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751212AbYKFQJf (ORCPT ); Thu, 6 Nov 2008 11:09:35 -0500 Received: from nlpi025.sbcis.sbc.com ([207.115.36.54]:55502 "EHLO nlpi025.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750963AbYKFQJe (ORCPT ); Thu, 6 Nov 2008 11:09:34 -0500 Date: Thu, 6 Nov 2008 10:08:21 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@quilx.com To: Peter Zijlstra cc: Frank Mayhar , Doug Chapman , mingo@elte.hu, roland@redhat.com, adobriyan@gmail.com, akpm@linux-foundation.org, linux-kernel Subject: Re: regression introduced by - timers: fix itimer/many thread hang In-Reply-To: <1225984098.7803.4642.camel@twins> Message-ID: References: <1224694989.8431.23.camel@oberon> <1225132746.14792.13.camel@bobble.smo.corp.google.com> <1225219114.24204.37.camel@oberon> <1225936715.27507.44.camel@bobble.smo.corp.google.com> <1225969420.7803.4366.camel@twins> <1225984098.7803.4642.camel@twins> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Score: -2.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 497 Lines: 14 On Thu, 6 Nov 2008, Peter Zijlstra wrote: > Right, but I don't think the patch under consideration will fly anyway, > doing a for_each_possible_cpu() loop on every tick on all cpus isn't > really healthy, even for moderate sized machines. Correct. -- 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/