Subject: Re: hyperthreading and MP
To: Steve Bellovin <smb@research.att.com>
From: None <cube@cubidou.net>
List: current-users
Date: 06/24/2004 10:30:30
On Wed, Jun 23, 2004 at 02:04:48PM -0400, Steve Bellovin wrote:
> I skimmed the discussion from a few months ago, but I never saw a firm 
> conclusion:  should a hyper-threaded CPU show up as a multiprocessor?  

Yes.

> I have a new HP DC5000 with a hyper-threaded P4 CPU.  I have 
> hyper-threading enabled in the BIOS, and HTT does show up in the 
> feature list.  But only one CPU shows up.  Do I need to use ACPI?  I'm 

Yes.

Quentin Garnier.