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Date: Wed, 20 Jan 2010 16:27:08 +0200
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] Add definitions for current cpu models..
Message-ID: <20100120142708.GL5238@redhat.com>
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To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Chris Wright <chrisw@sous-sol.org>, john cooper <john.cooper@redhat.com>, qemu-devel@nongnu.org, KVM list <kvm@vger.kernel.org>, "Przywara,
	Andre" <Andre.Przywara@amd.com>

On Wed, Jan 20, 2010 at 08:21:44AM -0600, Anthony Liguori wrote:
> On 01/19/2010 06:15 PM, Chris Wright wrote:
> >* Anthony Liguori (anthony@codemonkey.ws) wrote:
> >>On 01/19/2010 02:03 PM, Chris Wright wrote:
> >>>* Anthony Liguori (anthony@codemonkey.ws) wrote:
> >>>
> >>>>I'm very much against having -cpu Nehalem.  The whole point of this is
> >>>>to make things easier for a user and for most of the users I've
> >>>>encountered, -cpu Nehalem is just as obscure as -cpu
> >>>>qemu64,-sse3,+vmx,...
> >>>>
> >>>What name will these users know?  FWIW, it makes sense to me as it is.
> >>Whatever is in /proc/cpuinfo.
> >That doesn't exactly generalize to families w/ similar cpuid features.
> >
> >Intel(R) Xeon(R) {E,L,X}{74,55}**
> >Intel(R) Core(TM)2 {Duo,Quad,Extreme} ...
> 
> Then we should key off of family and model.
> 
> So -cpu AMD_Family_10h
> 
> or something like that.  At least that is discoverable by a user.
> 

Or use CPU price/year as a distinguisher. -cpu Intel_300$_2005 will give
you Intel cpus that cost 300$ in 2005.

--
			Gleb.