From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacob Gorm Hansen Subject: Purpose of linear page tables Date: Fri, 01 Apr 2005 17:47:54 -0800 Message-ID: <424DF9CA.3040603@diku.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: 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 hi, now that Xen has writable page tables, I was wondering if there is any real need for the linear page tables in Xen? It seems some of the drivers still use them, but I imagine they could use the regular mmu_updates just as efficiently. Am I wrong? Jacob