From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752109AbaAJOzw (ORCPT ); Fri, 10 Jan 2014 09:55:52 -0500 Received: from mx1.redhat.com ([209.132.183.28]:13304 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750877AbaAJOzt (ORCPT ); Fri, 10 Jan 2014 09:55:49 -0500 Message-ID: <52D009D7.1010600@redhat.com> Date: Fri, 10 Jan 2014 09:55:19 -0500 From: Prarit Bhargava User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110419 Red Hat/3.1.10-1.el6_0 Thunderbird/3.1.10 MIME-Version: 1.0 To: Vivek Goyal CC: linux-kernel@vger.kernel.org, Len Brown , "Rafael J. Wysocki" , kosaki.motohiro@gmail.com, dyoung@redhat.com, linux-acpi@vger.kernel.org, kexec@lists.infradead.org Subject: Re: [PATCH] acpi memory hotplug, add parameter to disable memory hotplug [v2] References: <1389364615-13320-1-git-send-email-prarit@redhat.com> <20140110144910.GB19115@redhat.com> In-Reply-To: <20140110144910.GB19115@redhat.com> 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 On 01/10/2014 09:49 AM, Vivek Goyal wrote: > On Fri, Jan 10, 2014 at 09:36:55AM -0500, Prarit Bhargava wrote: > > [..] >> This can also be reproduced by using the memmap=exactmap and mem=X >> parameters on the main kernel and booting. >> >> This patchset resolves the problem by adding a kernel parameter, >> acpi_no_memhotplug, to disable ACPI memory hotplug. > > Hi Prarit, > > People seem to like the idea of disabling hotplug automatically if > memmap=exactmap or mem=X is passed on command line. Can you please take > care of that too. That way we would not have to modify kexec-tools and > kernel update will fix this issue. Oh, okay. I'll do that right now. P. > > Thanks > Vivek