From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Ahern Subject: Re: Running KVM on a Laptop Date: Sun, 15 Feb 2009 17:56:09 -0700 Message-ID: <4998B9A9.8000106@gmail.com> References: <8CB5B91ADEF0853-D1C-27CD@webmail-md20.sysops.aol.com> <59abf66e0902130809j15fe5709x128b59512c470f72@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: =?ISO-8859-1?Q?Jorge_Luc=E1ngeli_Obes?= , "kvm-devel@lists.sourceforge.net" To: dnjap Return-path: Received: from wa-out-1112.google.com ([209.85.146.181]:21201 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754412AbZBPA4O (ORCPT ); Sun, 15 Feb 2009 19:56:14 -0500 Received: by wa-out-1112.google.com with SMTP id v33so1011393wah.21 for ; Sun, 15 Feb 2009 16:56:13 -0800 (PST) In-Reply-To: <59abf66e0902130809j15fe5709x128b59512c470f72@mail.gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: Jorge Luc=E1ngeli Obes wrote: > On Thu, Feb 12, 2009 at 11:56 PM, Ross McKay wrot= e: >> dnjap wrote: >> >>> I'm looking for a laptop on which I can run KVM. >>> >>> 1. Does anyone have a list of AMD-V or VT-x capable laptop CPU's? >=20 > http://en.wikipedia.org/wiki/List_of_Intel_Core_2_microprocessors A handy reference link is http://www.intel.com/products/processor_number/index.htm I use this link a lot cross-referencing features of various processors= =2E As for a laptop example, I just acquired a Dell Latitude E6500 with a Core 2 Duo T9550 @ 2.66GHz. The link for Core 2 Duo is: http://www.intel.com/products/processor_number/chart/core2duo.htm?iid=3D= pn_ov+list_c2d which shows it has VT capability (which of course I confirmed before ordering this laptop). >=20 > The header before each chart lists which processors have VT-x. > Something similar must be available for the laptop version of Intel's > Nehalem and for AMD. >=20 >> Is it not as simple as checking for the svm or vt flags? >> >> egrep '(vt|svm)' /proc/cpuinfo >> >> Take a bootable LiveCD into your local computer shop and check. >> >>> 2. It seems Turion 64 X2 and some of Core 2 Duo processors can run = KVM. >>> Does anyone know which of these CPU's implement Nested Page Tables = or >>> Extended Page Tables? (Xen's compatibility list doesn't provide suc= h >>> details: http://wiki.xensource.com/xenwiki/HVM_Compatible_Processor= s) >=20 > You will probably have to verify that in the manufacturer's web site. > I recall a discussion not long ago regarding the addition of NPT and > EPT to /proc/cpuinfo. As I understand it you want a laptop with a Core i7 processor to get EPT. I am not as familiar with AMD's offerings. I did not see the Core i7 offered on Dell laptops as of late January. >=20 >>> 3. If you're running KVM on your laptop, could you share the >>> information? Does your laptop's BIOS support AMD-V or VT-x? >> FWIW, I have KVM running on my ASUS laptop, with the following CPU: >> >> AMD Athlon(tm) 64 X2 Dual-Core Processor TK-55 >=20 > I have a Dell XPS 1210 with: >=20 > Intel(R) Core(TM)2 CPU T5600 @ 1.83GHz As I mentioned above I have Dell Latitude E6500 with a Core 2 Duo T9550 @ 2.66GHz. So far (one whole week) I have not had any kvm related problems (the intel_drv xorg module is a different matter), and the performance has been nice. david >=20 > Regards, > Jorge > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >=20