Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262260AbVEMGbP (ORCPT ); Fri, 13 May 2005 02:31:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262261AbVEMGbO (ORCPT ); Fri, 13 May 2005 02:31:14 -0400 Received: from e34.co.us.ibm.com ([32.97.110.132]:42151 "EHLO e34.co.us.ibm.com") by vger.kernel.org with ESMTP id S262260AbVEMGbL (ORCPT ); Fri, 13 May 2005 02:31:11 -0400 Date: Fri, 13 May 2005 12:01:13 +0530 From: Srivatsa Vaddagiri To: Jesse Barnes Cc: george@mvista.com, Jesse Barnes , Tony Lindgren , Lee Revell , Nick Piggin , schwidefsky@de.ibm.com, jdike@addtoit.com, Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [RFC] (How to) Let idle CPUs sleep Message-ID: <20050513063113.GF23705@in.ibm.com> Reply-To: vatsa@in.ibm.com References: <20050507182728.GA29592@in.ibm.com> <200505121435.01011.jesse.barnes@intel.com> <4283D581.9070008@mvista.com> <200505121743.46313.jbarnes@virtuousgeek.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200505121743.46313.jbarnes@virtuousgeek.org> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 720 Lines: 21 On Thu, May 12, 2005 at 05:43:46PM -0700, Jesse Barnes wrote: > But in this case you probably want it to, so it can rebalance tasks to > the CPU that just woke up. Usually the sleeping idle CPU is sent a resched IPI, which will cause it to call schedule or idle_balance_retry/rebalance_tick (ref: my earlier patch) to find out if it has do a load balance. -- Thanks and Regards, Srivatsa Vaddagiri, Linux Technology Center, IBM Software Labs, Bangalore, INDIA - 560017 - 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/