From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:50323) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QNMIk-0008UE-Hr for qemu-devel@nongnu.org; Fri, 20 May 2011 05:47:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QNMIj-0003h5-HO for qemu-devel@nongnu.org; Fri, 20 May 2011 05:47:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:18737) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QNMIj-0003h0-7K for qemu-devel@nongnu.org; Fri, 20 May 2011 05:47:21 -0400 Message-ID: <4DD62D8E.2010605@redhat.com> Date: Fri, 20 May 2011 11:59:58 +0300 From: Avi Kivity MIME-Version: 1.0 References: <4DD51A82.7060205@siemens.com> <4DD51B64.8000306@redhat.com> <4DD51FDA.3010107@codemonkey.ws> <4DD520ED.8010606@redhat.com> <4DD5260A.1080309@codemonkey.ws> <4DD5272F.5000003@siemens.com> <4DD52848.6030102@codemonkey.ws> <4DD52910.4080106@siemens.com> <4DD52B0E.2080604@codemonkey.ws> <4DD52BF2.2080506@redhat.com> <20110519162706.GB27310@redhat.com> In-Reply-To: <20110519162706.GB27310@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC] Memory API List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gleb Natapov Cc: Jan Kiszka , qemu-devel On 05/19/2011 07:27 PM, Gleb Natapov wrote: > > Think of how a window manager folds windows with priorities onto a > > flat framebuffer. > > > > You do a depth-first walk of the tree. For each child list, you > > iterate it from the lowest to highest priority, allowing later > > subregions override earlier subregions. > > > I do not think that window manager is a good analogy. Window can > overlap with only its siblings. In our memory tree each final node may > overlap with any other node in the tree. > Transparent windows. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.