From: "Jike Song" <albcamus@gmail.com>
To: "David Wilson" <mcs6502@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: What is the best way to identify a new x86 processor that does not implement the CPUID instruction?
Date: Wed, 6 Aug 2008 10:33:13 +0800 [thread overview]
Message-ID: <df9815e70808051933l32798d4y913e16872c256a88@mail.gmail.com> (raw)
In-Reply-To: <3666888f0808050008h38e11737k8e6cb9c4c85aa457@mail.gmail.com>
On Tue, Aug 5, 2008 at 3:08 PM, David Wilson <mcs6502@gmail.com> wrote:
> I have thought of a couple of schemes but am not really keen on either:
>
> 1) Clock speed - the SoC runs at 300+ MHz while the Cyrix part is < 100 MHz
at which speed this Soc is running when being recognized as Cyrix part by Linux?
> 2) Look at the PCI VID/PID for the north bridge as this is part of the CPU die.
>
As you said, since the manufacturer has provided some codes to tune
the CPU speed, did they provide any method to identify the CPU without
a cpuid function?
next prev parent reply other threads:[~2008-08-06 2:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-05 7:08 David Wilson
2008-08-05 9:26 ` David Newall
2008-08-06 2:33 ` Jike Song [this message]
2008-08-06 12:12 ` Bill Davidsen
2008-08-08 11:00 ` Andi Kleen
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