From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754184Ab3LRMve (ORCPT ); Wed, 18 Dec 2013 07:51:34 -0500 Received: from mx2.comprocs.com ([12.186.155.30]:55083 "HELO mx2.compro.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753313Ab3LRMvd (ORCPT ); Wed, 18 Dec 2013 07:51:33 -0500 X-BYPSHEADER: 22658392 X-SMScore: -1050 Message-ID: <52B19A54.6070409@compro.net> Date: Wed, 18 Dec 2013 07:51:32 -0500 From: Mark Hounschell Reply-To: markh@compro.net Organization: Compro Computer Svcs. User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Mike Galbraith CC: linux-kernel@vger.kernel.org Subject: Re: question about cpu_active_mask References: <52B0BBBD.3000704@compro.net> <294848935.31685.1387339274917.JavaMail.root@mx2.compro.net> In-Reply-To: <294848935.31685.1387339274917.JavaMail.root@mx2.compro.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/17/2013 11:00 PM, Mike Galbraith wrote: > On Tue, 2013-12-17 at 16:01 -0500, Mark Hounschell wrote: >> I hope it is OK to ask a newbie question here. I'm trying to better >> understand the boot process. I can't seem to find where in the kernel >> sources the cpu_active_mask (defined in include/linux/cpumask.h) gets >> populated. I can see that it does get populated as it brings cpus online >> but it is not obvious to me where. I'm using a 32 bit 3.4.x flavor kernel. > > Try git grep set_cpu_active. > Got it. Thanks for that. Regards Mark