From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.20) id 19Vua3-0000LG-RX for qemu-devel@nongnu.org; Fri, 27 Jun 2003 10:52:03 -0400 Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.20) id 19VuZL-0008NP-Hg for qemu-devel@nongnu.org; Fri, 27 Jun 2003 10:51:20 -0400 Received: from smtp6.wanadoo.fr ([193.252.22.28] helo=mwinf0302.wanadoo.fr) by monty-python.gnu.org with esmtp (Exim 4.20) id 19VuPp-0004sA-SF for qemu-devel@nongnu.org; Fri, 27 Jun 2003 10:41:29 -0400 Received: from free.fr (ATuileries-112-1-3-179.w81-48.abo.wanadoo.fr [81.48.134.179]) by mwinf0302.wanadoo.fr (SMTP Server) with ESMTP id CC27CC0001F7 for ; Fri, 27 Jun 2003 16:41:28 +0200 (CEST) Message-ID: <3EFC5774.4060907@free.fr> Date: Fri, 27 Jun 2003 16:40:52 +0200 From: Fabrice Bellard MIME-Version: 1.0 Subject: Re: [Qemu-devel] MMU References: <20030627130019.GB22176@stud.uni-erlangen.de> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: List-Help: List-Post: List-Subscribe: , List-Archive: List-Unsubscribe: , To: qemu-devel@nongnu.org Thomas Glanzmann wrote: > What is the future direction of the 'software MMU'? Do you want to make > the diff to the original Linux kernel in FIXADDRTOP and co unnecessary? > > So that it is possible to run a unmodified 'binary' kernel? Yes, the software MMU will enable the use of unmodified Linux kernels (and other OSes), at the expense of a slower emulation (benchmarks show a slowdown of a factor 2). Fabrice.