Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753144Ab1F3Qgd (ORCPT ); Thu, 30 Jun 2011 12:36:33 -0400 Received: from wolverine01.qualcomm.com ([199.106.114.254]:54343 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752933Ab1F3Qgb (ORCPT ); Thu, 30 Jun 2011 12:36:31 -0400 X-IronPort-AV: E=McAfee;i="5400,1158,6392"; a="101131872" Message-ID: <4E0CA604.5080802@codeaurora.org> Date: Thu, 30 Jun 2011 09:36:20 -0700 From: Stephen Boyd User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.18) Gecko/20110616 Thunderbird/3.1.11 MIME-Version: 1.0 To: Russell King - ARM Linux CC: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-omap@vger.kernel.org, linux-sh@vger.kernel.org, linux-tegra@vger.kernel.org, Kukjin Kim , David Brown , Tony Lindgren , Srinidhi Kasagar , Linus Walleij Subject: Re: [PATCH] arm: platsmp: Allow secondary cpu hotplug with maxcpus=1 References: <1309372300-28911-1-git-send-email-sboyd@codeaurora.org> <20110630131154.GJ23312@n2100.arm.linux.org.uk> In-Reply-To: <20110630131154.GJ23312@n2100.arm.linux.org.uk> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1075 Lines: 28 On 6/30/2011 6:11 AM, Russell King - ARM Linux wrote: > On Wed, Jun 29, 2011 at 11:31:39AM -0700, Stephen Boyd wrote: >> void __init platform_smp_prepare_cpus(unsigned int max_cpus) >> { >> - int i; >> - >> /* >> * Initialise the present map, which describes the set of CPUs >> * actually populated at the present time. >> */ >> - for (i = 0; i < max_cpus; i++) >> - set_cpu_present(i, true); >> + init_cpu_present(&cpu_possible_map); > Ok, if we're now doing this in every platform, it might as well go into > arch/arm/kernel/smp.c - platforms can re-initialize the present map > in this callback if they need to do something different. That sounds better. V2 coming soon. -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- 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/