To NX or not to NX

[Ulrich Drepper]

Lamont Peterson wrote:
> I know for certain that this proc does not support HyperThreading or PAE, but 
> there they are anyway.

The fact that the ht flag is available does not mean you have more than
one context.  It just means that the cpuid-based method to determine how
many contexts (i.e., hyperthreads) you have is in place.  For very old
P4s this will  just report 1, hence no second context for the core.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖

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