From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:49865)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1WW5xT-0003gK-0J
	for qemu-devel@nongnu.org; Fri, 04 Apr 2014 11:23:13 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1WW5xM-00011F-Q4
	for qemu-devel@nongnu.org; Fri, 04 Apr 2014 11:23:06 -0400
Received: from mx1.redhat.com ([209.132.183.28]:63579)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1WW5xM-000116-Hw
	for qemu-devel@nongnu.org; Fri, 04 Apr 2014 11:23:00 -0400
Message-ID: <533ECD96.4000301@redhat.com>
Date: Fri, 04 Apr 2014 17:19:50 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
MIME-Version: 1.0
References: <1396618620-27823-1-git-send-email-imammedo@redhat.com>	<533EBCB9.3040001@redhat.com>
	<20140404162431.508210bc@thinkpad>
In-Reply-To: <20140404162431.508210bc@thinkpad>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH 00/35] pc: ACPI memory hotplug
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Igor Mammedov <imammedo@redhat.com>
Cc: peter.maydell@linaro.org, mst@redhat.com, aik@ozlabs.ru, hutao@cn.fujitsu.com, mjt@tls.msk.ru, qemu-devel@nongnu.org, lcapitulino@redhat.com, kraxel@redhat.com, akong@redhat.com, quintela@redhat.com, armbru@redhat.com, aliguori@amazon.com, jan.kiszka@siemens.com, lersek@redhat.com, ehabkost@redhat.com, marcel.a@redhat.com, stefanha@redhat.com, chegu_vinod@hp.com, rth@twiddle.net, kwolf@redhat.com, s.priebe@profihost.ag, mreitz@redhat.com, vasilis.liaskovitis@profitbricks.com, afaerber@suse.de

Il 04/04/2014 16:24, Igor Mammedov ha scritto:
> > Can you explain this more?
>
> v7 had ability to map hotplugged DIMMs below 4Gb, but Gerd suggested to drop
> it since it consume precious lowmem for PCI devices. This version maps
> DIMM devices beyond above4gb memory. So "dropped support for 32 bit guests"
> here means that if it can't handle GPA above 4Gb and 64bit _CRS, it won't have
> working memory cold/hot-plug DIMM devices.

Ok, so PAE should work.  Just thinking ahead about release notes. :)

Paolo