From mboxrd@z Thu Jan 1 00:00:00 1970 From: Samuel Thibault Subject: Re: [PATCH] [VTD] Separate VT-d page table from P2M table Date: Tue, 22 Apr 2008 10:40:01 +0100 Message-ID: <20080422094001.GI4416@implementation.uk.xensource.com> References: <08DF4D958216244799FC84F3514D70F00145BF7A@pdsmsx415.ccr.corp.intel.com> <08DF4D958216244799FC84F3514D70F00145BFB2@pdsmsx415.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <08DF4D958216244799FC84F3514D70F00145BFB2@pdsmsx415.ccr.corp.intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Han, Weidong" Cc: xen-devel@lists.xensource.com, "Kay, Allen M" , Keir Fraser , "Xu, Anthony" List-Id: xen-devel@lists.xenproject.org Han, Weidong, le Tue 22 Apr 2008 17:34:11 +0800, a écrit : > Separate VT-d page table is by default. Shared VT-d page table may be > easy and good in some cases. So we let them co-exist now. If shared VT-d > page table is not necessary and useless, we can remove it easily in > future. But why unsharing it at all? Is there any bonus except using more memory? :) Samuel