Re: Dual P4 2.4Ghz Xeon With Hyperthreading enabled...

From: Brooks Davis <brooks_at_one-eyed-alien.net>
Date: Tue, 12 Aug 2003 15:41:05 -0700
On Tue, Aug 12, 2003 at 03:38:29PM -0700, Scott M. Likens wrote:
> Well friend of mine just landed a Dual P4 2.4Ghz Xeon with
> Hyperthreading Enabled, and yet I know there's a hyperthreading option
> in 4.8-RELEASE but I don't see one at ALL in 5.1?
> 
> am I suddenly blind or do I need to cvsup to CURRENT to take proper
> advantage?

There is no option in current.  Instead, you use the sysctl
machdep.hlt_logical_cpus to indicate if you want to use the logical
cpus.

-- Brooks

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Received on Tue Aug 12 2003 - 13:46:16 UTC

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