From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pekka Enberg Subject: Re: [PATCH 1/2] kvm tools: Add memory gap for larger RAM sizes Date: Wed, 11 May 2011 12:28:31 +0300 Message-ID: <4DCA56BF.40101@cs.helsinki.fi> References: <1305061513-28360-1-git-send-email-levinsasha928@gmail.com> <4DCA4917.9020802@redhat.com> <20110511084402.GB7112@elte.hu> <4DCA5178.9030402@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Ingo Molnar , Sasha Levin , asias.hejun@gmail.com, prasadjoshi124@gmail.com, gorcunov@gmail.com, kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from courier.cs.helsinki.fi ([128.214.9.1]:56355 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754035Ab1EKPis (ORCPT ); Wed, 11 May 2011 11:38:48 -0400 In-Reply-To: <4DCA5178.9030402@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 5/11/11 12:06 PM, Avi Kivity wrote: > Well, I guess you can map the framebuffer lower, but that means giving > up memory hotplug if you ever wish to implement it (and doesn't allow > the guest to remap the framebuffer if it wishes to). True. As I said, we need to do it properly at some point. But as long as it's only about the PCI hole for > 4GB guests, lets mmap() the whole range instead. Pekka