From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: [PATCH] replace rdtsc emulation-vs-native xen boot option with per-domain (hypervisor part) Date: Tue, 29 Sep 2009 10:24:17 -0700 Message-ID: <4AC242C1.90708@goop.org> References: <285c24b1-1b78-4548-8aab-b23a68329b9d@default> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <285c24b1-1b78-4548-8aab-b23a68329b9d@default> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Dan Magenheimer Cc: Ian Pratt , "Xen-Devel (E-mail)" , Keir Fraser , "Zhang, Xiantao" List-Id: xen-devel@lists.xenproject.org On 09/28/09 20:13, Dan Magenheimer wrote: > So I believe, for rdtsc, correctness is more important > than a small amount of performance. > So run the apps in an HVM domain, where emulating everything is appropriate, and leave PV domains alone. J