From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266158AbUBCV2s (ORCPT ); Tue, 3 Feb 2004 16:28:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266161AbUBCV2r (ORCPT ); Tue, 3 Feb 2004 16:28:47 -0500 Received: from e32.co.us.ibm.com ([32.97.110.130]:18885 "EHLO e32.co.us.ibm.com") by vger.kernel.org with ESMTP id S265969AbUBCV2A (ORCPT ); Tue, 3 Feb 2004 16:28:00 -0500 Message-ID: <40201117.2040802@us.ibm.com> Date: Tue, 03 Feb 2004 13:22:31 -0800 From: Matthew Dobson Reply-To: colpatch@us.ibm.com Organization: IBM LTC User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20021003 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rusty Russell CC: akpm@osdl.org, linux-kernel@vger.kernel.org, Nick Piggin , dipankar@in.ibm.com, vatsa@in.ibm.com Subject: Re: [PATCH 1/4] 2.6.2-rc2-mm2 CPU Hotplug: cpu_active_map References: <20040131141937.EB2752C086@lists.samba.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Rusty Russell wrote: > D: The semantics of this mask are as follows: > D: 1) For platforms without hot unplug of CPUs: cpu_active_map == > D: cpu_online_map. > D: 2) For the others, they are equal except for a CPU which is going > D: down: cpu_online_map gets cleared by __cpu_disable(), cpu_ipi_map > D: gets cleared in __cpu_die() once the CPU is no longer responding > D: to interrupts. Small typo, but I believe you meant to type 'cpu_active_map' in part 2, not 'cpu_ipi_map'. Cheers! -Matt