From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762487AbZCQKOj (ORCPT ); Tue, 17 Mar 2009 06:14:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754338AbZCQKOa (ORCPT ); Tue, 17 Mar 2009 06:14:30 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:58742 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753714AbZCQKO3 (ORCPT ); Tue, 17 Mar 2009 06:14:29 -0400 Date: Tue, 17 Mar 2009 11:13:56 +0100 From: Ingo Molnar To: Alexey Dobriyan Cc: Arun R Bharadwaj , linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org, a.p.zijlstra@chello.nl, ego@in.ibm.com, tglx@linutronix.de, andi@firstfloor.org, venkatesh.pallipadi@intel.com, vatsa@linux.vnet.ibm.com, arjan@infradead.org, svaidy@linux.vnet.ibm.com Subject: Re: [v3 PATCH 3/4] timers: /proc/sys sysctl hook to enable timer migration Message-ID: <20090317101356.GF6477@elte.hu> References: <20090316111045.GA4686@linux.vnet.ibm.com> <20090316111444.GD4686@linux.vnet.ibm.com> <20090316152956.GA2344@x200.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090316152956.GA2344@x200.localdomain> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Alexey Dobriyan wrote: > On Mon, Mar 16, 2009 at 04:44:44PM +0530, Arun R Bharadwaj wrote: > > echo 0 > /proc/sys/kernel/timer_migration > > There should be no sysctl for this. > > Timer migration should be good enough to be always enabled. It's in the CONFIG_SCHED_DEBUG section - i.e. only available under scheduler debugging. (and it's a fair flag for that case) Ingo