Re: HT not active

From: Mark Lord
Date: Tue Aug 15 2006 - 10:37:11 EST

Alan Cox wrote:

Hyperthreading must be BIOS enabled, its not something Linux can "turn
on". The "ht" flag merely indicates that the processor supports
hyperthreading not that it is enabled.

Not quite. Even non-HT CPUs report the ht flag (I have one here).
As somebody else said, ht just means the system supports querying
the number of ht "siblings", even though that number might be zero.

Somewhat misleading, though technically accurate.

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