From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: [RFC][Patches] Xen 1GB Page Table Support Date: Fri, 20 Mar 2009 14:25:51 +0000 Message-ID: <49C3A76F.5080508@eu.citrix.com> References: <49C365C1.6050203@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: 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: Gianluca Guida Cc: Dan Magenheimer , "xen-devel@lists.xensource.com" , Tim Deegan , Wei Huang , Gianluca Guida , Keir Fraser List-Id: xen-devel@lists.xenproject.org Gianluca Guida wrote: > Changing the p2m of course won't help in the shadow pagetables case. :/ > No, but it seems to me that 1G p2m entries can't hurt performance for shadows either, which is the question Dan was raising. It might be nice to have some quick "sanity check" benchmarks, just to make sure that adding the 1G pages won't hurt performance for the normal case... -George