Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754485Ab2FDPZg (ORCPT ); Mon, 4 Jun 2012 11:25:36 -0400 Received: from e28smtp02.in.ibm.com ([122.248.162.2]:38386 "EHLO e28smtp02.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751647Ab2FDPZf (ORCPT ); Mon, 4 Jun 2012 11:25:35 -0400 Date: Mon, 4 Jun 2012 20:55:22 +0530 From: Srivatsa Vaddagiri To: Peter Zijlstra Cc: Mike Galbraith , Prashanth Nageshappa , mingo@kernel.org, LKML , roland@kernel.org, Ingo Molnar Subject: Re: [PATCH] sched: balance_cpu to consider other cpus in its group as target of (pinned) task migration Message-ID: <20120604152522.GE26651@linux.vnet.ibm.com> Reply-To: Srivatsa Vaddagiri References: <4FCC4E3B.4090209@linux.vnet.ibm.com> <1338801907.7356.163.camel@marge.simpson.net> <1338810796.28282.32.camel@twins> <1338814063.7356.192.camel@marge.simpson.net> <20120604130740.GC25126@linux.vnet.ibm.com> <1338820234.7356.250.camel@marge.simpson.net> <20120604143802.GB26651@linux.vnet.ibm.com> <1338820895.7356.252.camel@marge.simpson.net> <20120604150040.GD25126@linux.vnet.ibm.com> <1338823271.28282.75.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <1338823271.28282.75.camel@twins> User-Agent: Mutt/1.5.21 (2010-09-15) x-cbid: 12060415-5816-0000-0000-000002FFAFE5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 526 Lines: 15 * Peter Zijlstra [2012-06-04 17:21:11]: > That is not to say you couldn't contrive a scenario where it would be > needed.. Right ..what if B0. B1 are pinned? !! I think most of the current weakness lies in handling tasks that have affinity set. - vatsa -- 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/