Re: Patch for K6 sep flag

Brian Gerst (bgerst@quark.vpplus.com)
Wed, 06 Jan 1999 11:05:56 -0500

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Meelis Roos wrote:
>
> TM> I wanted to take this opportunity to say the code in 2.2.0pre3 seems to
> TM> correctly identify the features in a later K6 (model 8). I now get
> TM> 3dnow detected as it should. Thanks.
>
> TM> processor : 0
> TM> vendor_id : AuthenticAMD
> TM> cpu family : 5
> TM> model : 8
> TM> model name : AMD-K6(tm) 3D processor
> TM> stepping : unknown
>
> Are you sure that the 'unknown' stepping is the best we can get? Do the
> newer AMD cpus have a concept of stepping or do they have just the
> model?

You probably have an A step cpu which reports a mask version of 0. The
kernel assumes that if the mask is 0, then it is unknown. This may be
true for Intel chips, but not AMD.

Brian Gerst

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