On Mon, Jan 08, 2007 at 01:44:32AM -0800, Robin H. Johnson wrote:
> (Please CC me, I am not subscribed to LKML [I have set the
> Mail-Followup-To header accordingly]).
>
> On two of my new machines, with Intel Core Duo T2300 and Core2 Duo E6400
> chips respectively, I noticed some weirdness in how many CPUs are
> present.
>
> If the hyper-threading bit is present in the CPU info, should there
> always be a an extra CPU presented to the system per physical core?
No. The ht flag just says whether HT reporting via CPUID is supported.
Core2 Duo E6400 is AFAIK not hyper-threaded, you just have 2 real sibling
CPUs (except that they share L2 cache).
Jakub
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