RE: [PATCH 10/10] x86-32: panic on !CX8 && XMM

[Yuhong Bao]

>> Also, don't forget the NT4 CX8 bug with non-Intel/AMD/Cyrix vendors:
>> http://www.geoffchappell.com/studies/windows/km/cpu/cx8.htm
>> If a processor support SSE (or PAE or MMX for that matter), you can pretty much assume CX8 exists even if the feature bit is cleared because of this bug.
>>
>
> Those kinds of things we *also* deal with by adjusting the CPU features
> in the detection code.
 
And in fact, the Linux setup code already has code similar to the code used in XP to disable this NT4 workaround.

Yuhong Bao
 		 	   		   		 	   		  
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