Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933442Ab0LUBep (ORCPT ); Mon, 20 Dec 2010 20:34:45 -0500 Received: from mail-fx0-f66.google.com ([209.85.161.66]:35601 "EHLO mail-fx0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933384Ab0LUBen (ORCPT ); Mon, 20 Dec 2010 20:34:43 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=uk5da5jck1ZvSDX9wR+dGIoIoCGGbJQYuU2NPxEQzx3Uh1FdnCPCy2dieLv+orjXAY jWnfHW9q9/BuClv+I7NZaHDn39yQU2fu2uUbf24mYlhdDUmTHjjJf6+XAtQoeE6bKf9m JYCR8h/cwyxfC9Yi8esdkI+d5XqBawHkSB0Pw= Date: Tue, 21 Dec 2010 02:34:39 +0100 From: Frederic Weisbecker To: Peter Zijlstra Cc: Steven Rostedt , LKML , Thomas Gleixner , "Paul E. McKenney" , Ingo Molnar , Lai Jiangshan , Andrew Morton , Anton Blanchard , Tim Pepper Subject: Re: [RFC PATCH 03/15] nohz_task: Make tick stop and restart callable outside idle Message-ID: <20101221013437.GL1715@nowhere> References: <1292858662-5650-1-git-send-email-fweisbec@gmail.com> <1292858662-5650-4-git-send-email-fweisbec@gmail.com> <1292860133.5021.7.camel@laptop> <1292861950.22905.26.camel@gandalf.stny.rr.com> <1292862311.5021.34.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1292862311.5021.34.camel@laptop> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 775 Lines: 25 On Mon, Dec 20, 2010 at 05:25:11PM +0100, Peter Zijlstra wrote: > On Mon, 2010-12-20 at 11:19 -0500, Steven Rostedt wrote: > > On Mon, 2010-12-20 at 16:48 +0100, Peter Zijlstra wrote: > > > On Mon, 2010-12-20 at 16:24 +0100, Frederic Weisbecker wrote: > > > > + if (!current->pid) > > > > > > I'm not exactly sure that's the sanest way to test if you're the idle > > > thread... > > > > Would > > > > if (idle_cpu(cpu)) > > > > be better? > > Lots ;-) I wondered about that too, will update. Thanks. -- 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/