From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Vrable Subject: Re: CoW memory and Parallax questions. Date: Sat, 1 Oct 2005 11:58:14 -0700 Message-ID: <20051001185814.GA7864@vrable.net> References: 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: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Fri, Sep 30, 2005 at 05:52:20AM -0600, Prashanth Radhakrishnan wrote: > Does Xen-unstable do Copy-on-Write sharing of memory between VMs ? > If not, is someone working on it ? > I last see a mention about Micheal Vrable working on it back in Oct 2004 > - http://lists.xensource.com/archives/html/xen-devel/2004-10/msg00470.html. Yes, I'm still working on it. The focus of that work was copy-on-write sharing of memory for the purposes of building a (virtual) network of honeypot systems. We have a paper in SOSP this year, talking about that work and the copy-on-write memory implementation. See http://www.cs.ucsd.edu/~mvrable/papers/2005-sosp-potemkin.pdf for some information. I'm presently working on updating and cleaning that work up. --Michael Vrable