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Yup, and when you boot up on the new kernel you can "cat /proc/cpuinfo"
and it should report 2 procs.

Thus spake Jonathan Glass (jonathan.glass at ibb.gatech.edu):

> On Wed, 2004-04-14 at 10:02, Mike Millson wrote:
> > I have a box with a P4 processor running Slackware 9.1. What do I need
> > to do to enable hyperthreading support? Do I just have to compile a
> > kernel with SMP support? Are there any other kernel options or config
> > changes I need to make? Does anyone know of any good articles or howtos
> > on configuring linux for hyperthreading?
> > 
> > Thank you,
> > Mike
> > 
> > _______________________________________________
> > Ale mailing list
> > Ale at ale.org
&gt; &gt; <a  rel="nofollow" href="http://www.ale.org/mailman/listinfo/ale";>http://www.ale.org/mailman/listinfo/ale</a>
&gt; 
&gt; You win the prize on the first toss.  Just recompile with SMP support,
&gt; and enable HT in your BIOS, and voila!  Instant SMP machine.
&gt; -- 
&gt; Jonathan Glass
&gt; Systems Support Specialist II
&gt; Institute for Bioengineering &amp; Bioscience
&gt; Georgia Institute of Technology
&gt; Email: jonathan.glass at ibb.gatech.edu
&gt; Office: 404-385-0127
&gt; Fax: 404-894-2291
&gt; 
&gt; _______________________________________________
&gt; Ale mailing list
&gt; Ale at ale.org
&gt; <a  rel="nofollow" href="http://www.ale.org/mailman/listinfo/ale";>http://www.ale.org/mailman/listinfo/ale</a>
&gt; 
&gt;  ** CRM114 Whitelisted by: ale at ale.org **
&gt;  
&gt;  ** ACCEPT: CRM114 Whitelisted by: ale at ale.org **
&gt;  

:wq!
---------------------------------------------------------------------------
Robert L. Harris                     | GPG Key ID: E344DA3B
                                         @ x-hkp://pgp.mit.edu
DISCLAIMER:
      These are MY OPINIONS ALONE.  I speak for no-one else.

With Dreams To Be A King First One Should Be A Man
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<li><strong><a name="00477" href="msg00477.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> mmillson at meritonlinesystems.com (Mike Millson)</li></ul></li>
<li><strong><a name="00478" href="msg00478.html">[ale] Hyperthreading</a></strong>
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