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Date:      Fri, 23 Sep 2005 19:46:59 -0400
From:      Jung-uk Kim <jkim@FreeBSD.org>
To:        Martin Nilsson <martin@gneto.com>
Cc:        freebsd-current@FreeBSD.org
Subject:   Re: [PATCH] AMD multicore detection
Message-ID:  <200509231947.01537.jkim@FreeBSD.org>
In-Reply-To: <43325114.4090907@gneto.com>
References:  <200509211550.27524.jkim@FreeBSD.org> <43325114.4090907@gneto.com>

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On Thursday 22 September 2005 02:37 am, Martin Nilsson wrote:
> Jung-uk Kim wrote:
> > New patch is here:
> > http://people.freebsd.org/~jkim/multicore.diff
> >
> > Please test and let me know.  I don't have multicore CPU to test
> > it for myself. :-(
>
> The below is on a Pentium D 820 (Dualcore). I don't like that the
> two cores are reported as hyperthreading when the CPU does not
> support hyperthreading (only the 840 EE does). If we ship 6.0 with
> HT disabled I'm afraid that it will turn off one of the cores,
> right?

I wrote something to understand your situation:

http://people.freebsd.org/~jkim/cpuid.c

Can you send me the output?

Thanks,

Jung-uk Kim



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