From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: OT: Intel-Matrix for VT-capability? Date: Tue, 28 Apr 2009 16:07:37 +0300 Message-ID: <49F6FF99.6080407@redhat.com> References: <49F19228.1080201@web.de> <200904270010.01751.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Marc Bevand Return-path: Received: from mx2.redhat.com ([66.187.237.31]:51001 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755096AbZD1NHj (ORCPT ); Tue, 28 Apr 2009 09:07:39 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Marc Bevand wrote: > Arnd Bergmann arndb.de> writes: > >> http://en.wikipedia.org/wiki/List_of_Intel_Core_2_microprocessors is quite >> good here. As a rule of thumb, anything higher than 6000 will have VT, >> anything below 6000 will not. Interesting exceptions are >> >> Doesn't have VT: E7300, Q8200, Q8400, E8190 >> Does have VT: T5600, U2xxx, SU3xxx, Celeron 900 (?) >> May have VT[1]: T5500, Q8300, E7400, E7500, E5300, E5400 >> >> Interestingly, when you look at the price list, you will see that >> *all* processors that are not being obviously phased out (i.e. have >> the same or higher price as a superior model) and carry a >> Pentium or Core 2 name come with VT enabled. >> > > This is very wrong: > - none of the Pentium, Celeron, Atom processors, even the latest ones, > come with VT > According to processorfinder, 3 out of the 8 Atoms come with VT. Some Pentium Ds also do. Maybe some Celerons. > - none of the Core 2 Duo E7xxx and Core 2 Quad Q8xxx support VT > Most Core 2s do support VT. > Be very careful into what you buy, check processorfinder.intel.com. > > Interestingly I found out that Intel will enable VT on a very small > number of Core 2 and Pentium processors on June 12: > That's in addition to currently supported processors. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.