From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: mmap in PV xen-4.0.1 Date: Thu, 11 Aug 2011 09:31:04 +0800 Message-ID: <20110811013104.GB1889@limbo> References: <20110810091256.GA1537@limbo> <20110810192546.GA2875@dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline 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: Eric Camachat Cc: xen-devel@lists.xensource.com, Konrad Rzeszutek Wilk List-Id: xen-devel@lists.xenproject.org On Wed, Aug 10, 2011 at 12:45:20PM -0700, Eric Camachat wrote: > The idea is move servers into XEN domU. > I saw that 3.0 has built-in XEN support, I can try it later. > But I don't know if other components are compatible with 3.0. > > I just wonder that MFN should equals PFN in PV (para-virtualization), > so it should works properly. > If by "PFN" you mean "Physical Frame Number", then I think you made a wrong assumption here. MFN and PFN has no linear, 1:1 mapping relationship, let alone say they are equal. Wei.