From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: (v2) Design proposal for RMRR fix Date: Thu, 08 Jan 2015 12:58:32 +0000 Message-ID: <54AE8D080200007800052A46@mail.emea.novell.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: George Dunlap , Kevin Tian Cc: "wei.liu2@citrix.com" , "ian.campbell@citrix.com" , "stefano.stabellini@eu.citrix.com" , "tim@xen.org" , "ian.jackson@eu.citrix.com" , "xen-devel@lists.xen.org" , Yang Z Zhang , Tiejun Chen List-Id: xen-devel@lists.xenproject.org >>> On 08.01.15 at 13:49, wrote: > One question: where are these RMRRs typically located in memory? Are > they normally up in the MMIO region? Or can they occur anywhere (even > in really low areas, say, under 1GiB)? They would typically sit in the MMIO hole or below 1Mb; that latter case is particularly problematic as it might conflict with what we want to put there (BIOS etc). Jan