From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755007Ab1BTVPQ (ORCPT ); Sun, 20 Feb 2011 16:15:16 -0500 Received: from one.firstfloor.org ([213.235.205.2]:34140 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754648Ab1BTVPO (ORCPT ); Sun, 20 Feb 2011 16:15:14 -0500 Date: Sun, 20 Feb 2011 22:15:12 +0100 From: Andi Kleen To: Lin Ming Cc: Peter Zijlstra , Ingo Molnar , Stephane Eranian , Andi Kleen , linux-kernel Subject: Re: [PATCH 5/6] perf: Optimise topology iteration Message-ID: <20110220211512.GT5818@one.firstfloor.org> References: <1298221059.2318.70.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1298221059.2318.70.camel@localhost> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 21, 2011 at 12:57:39AM +0800, Lin Ming wrote: > Currently we iterate the full machine looking for a matching core_id/nb > for the percore and the amd northbridge stuff , using a smaller topology > mask makes sense. This is still wrong for CPU hotplug. The CPU "owning" the per core does not necessarily need to be online anymore. Please drop this patch. -Andi