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Date:      Tue, 12 Aug 2003 15:41:05 -0700
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        "Scott M. Likens" <damm@fpsn.net>
Cc:        current@freebsd.org
Subject:   Re: Dual P4 2.4Ghz Xeon With Hyperthreading enabled...
Message-ID:  <20030812224105.GA5697@Odin.AC.HMC.Edu>
In-Reply-To: <1060727908.22614.1.camel@acheron.livid.de>
References:  <1060727908.22614.1.camel@acheron.livid.de>

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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?
>=20
> 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

--=20
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4

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