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Date: Wed, 05 Jan 2005 13:09:25 +0200
From: Indrek Kruusa <indrek.kruusa@tuleriit.ee>
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Subject: Re: Very high load on P4 machines with 2.4.28
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 > On Maw, 2005-01-04 at 22:41, Nicholas Berry wrote:
 > >/ Indeed. AIX (sorry) 5.3 on POWER5 explicitly disables SMT (IBM/
 >>/ hyperthreading) if the load doesn't warrant it./
 >>/ /
 > >/ (Now how about that for Linux?) :)/

 > It would be very nice to do but AFAIK no current processor with
 > hypedthreading lets you do dynamic disabling.

Maybe I am victim of marketing (or poor memory) but wasn't it so that 
x86 instruction HLT was possible to use for single logical processor?


Indrek