linux-kernel - Re: ht CPU flag

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Date:	Fri, 18 May 2007 15:17:52 -0400
From:	Chris Snook <csnook@...hat.com>
To:	eugene@...armcci.am
CC:	linux-kernel@...r.kernel.org
Subject: Re: ht CPU flag

eugene@...armcci.am wrote:
> ---------------------------------------------------------------------------
> 
> I have Pentium D CPU, which many Windows utilities like cpuz, wcpuid, 
> everest identify as D 930 (Dual Core, 3GHz). From Intel site I find out 
> that it has no HT feature, nor Windows XP identify it as HT.
> 
> Why do I have "ht" flag in cpuinfo?
> -----------------------------------

The "ht" flag merely means "I know how to report hyperthreaded logical 
processors if I have them."  My Woodcrest Xeon 5110 and my Athlon64 X2 both have 
the "ht" flag, and correctly report the zero hyperthreaded logical processors 
they each have.

	-- Chris
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