From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753120Ab3LREBJ (ORCPT ); Tue, 17 Dec 2013 23:01:09 -0500 Received: from moutng.kundenserver.de ([212.227.126.187]:50663 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752130Ab3LREBH (ORCPT ); Tue, 17 Dec 2013 23:01:07 -0500 Message-ID: <1387339256.5315.12.camel@marge.simpson.net> Subject: Re: question about cpu_active_mask From: Mike Galbraith To: markh@compro.net Cc: linux-kernel@vger.kernel.org Date: Wed, 18 Dec 2013 05:00:56 +0100 In-Reply-To: <52B0BBBD.3000704@compro.net> References: <52B0BBBD.3000704@compro.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-Provags-ID: V02:K0:kjTMkPpV8X0j6vq3aKt1+Z55oRQWLEPvkhLAfq5UPnw 6W0nGjbfo/ScIY7OPWSueRssDarO00i5PxgxAEmO1WGW/agiMF iK7ekTbgakqwjD9mUeSCV17ozCqMSpu+6GGQ1pr2TyTMa48cDu xzeCXfodZrcxwb1NEOL1hoIlgNS8O07ZKiij6riNp4obBStDWT QF0rVF1DA+NmOMfF0oDWrEClJgdlyNp3ndCAaNXk/C7eL/UTR2 FGqWiHDAuCy/IPzOq0IKzZr7MbT63+YEwyEkJZ/rTfBHqFhqSK 9QeDqRWPJJqty8/NPvZeUArrLANL01PoPmnIjVjqAjglf32/wM aeRZVCpqfHOochgFj/kUu+boLZPwsGEBAsY9cnWtHT4Y5dRx3k bqcZVJcjqcBNQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. -Mike