From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: X86_64 and 4GB RAM using Flat Memory Model? Date: Tue, 01 May 2007 14:27:33 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: John Hannfield Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 1/5/07 14:15, "Keir Fraser" wrote: > 3. There is no command-line option for overrding the e820 map. We could > lash one up, or I can give you a basic patch for you to fill in the blanks > with your memory map. You can then build special Xen with hardcoded map for > that box. I should add the slightly longer term (post 3.0.5) solution, which will be that Xen can return to real mode and interrogate e820 itself. We could at least provide this as a command-line option, even if it's not the default. -- Keir