From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: [PATCH 2/3] Fix CPU hotplug Date: Wed, 4 Feb 2009 15:36:38 +0200 Message-ID: <20090204133638.GI30234@redhat.com> References: <20090204095805.6892.47195.stgit@dhcp-1-237.tlv.redhat.com> <20090204095810.6892.59110.stgit@dhcp-1-237.tlv.redhat.com> <49898DD8.1020609@redhat.com> <20090204130323.GG30234@redhat.com> <4989972B.2090609@redhat.com> <20090204133158.GH30234@redhat.com> <49899994.3060009@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from mx2.redhat.com ([66.187.237.31]:37293 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752963AbZBDNjA (ORCPT ); Wed, 4 Feb 2009 08:39:00 -0500 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n14Dcx3j009019 for ; Wed, 4 Feb 2009 08:38:59 -0500 Content-Disposition: inline In-Reply-To: <49899994.3060009@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Feb 04, 2009 at 03:35:16PM +0200, Avi Kivity wrote: > Gleb Natapov wrote: > > > >>>> It can, just need to find a place for it. Currently our AML does not use >>>> RAM at all. >>>> >>> OperationRegion(..., SystemMemory, ...) should work. It's better to >>> avoid introducing unnecessary virtual hardware. >>> >>> >> But what address to chose. It needs to be reserved in e820 map and S3 >> resume should not touch it. >> >> > > The Extended BIOS Data Area, at 640K - epsilon. > EBDA can be moved by add-on BIOS so epsilon may change depending on your HW. -- Gleb.