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Date:      Mon, 6 Sep 2010 06:12:03 -0700
From:      Jeremy Chadwick <freebsd@jdc.parodius.com>
To:        Andriy Gapon <avg@freebsd.org>
Cc:        freebsd-current@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: patch for topology detection of Intel CPUs
Message-ID:  <20100906131203.GA80251@icarus.home.lan>
In-Reply-To: <4C84E4E1.8010709@freebsd.org>
References:  <201007141414.o6EEEUx9014690@lurza.secnetix.de> <AANLkTinYUz0V%2B2nSWBMYLf2fL8HnUQ-fvXT0q-5WY4bb@mail.gmail.com> <4C782D3B.6020407@icyb.net.ua> <201008271743.29393.jkim@FreeBSD.org> <4C7835E6.6070309@icyb.net.ua> <4C7A2782.5040009@freebsd.org> <4C84DBE6.5010809@freebsd.org> <20100906122325.GA78727@icarus.home.lan> <4C84E4E1.8010709@freebsd.org>

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On Mon, Sep 06, 2010 at 03:56:01PM +0300, Andriy Gapon wrote:
> on 06/09/2010 15:23 Jeremy Chadwick said the following:
> > On Mon, Sep 06, 2010 at 03:17:42PM +0300, Andriy Gapon wrote:
> >> on 29/08/2010 12:25 Andriy Gapon said the following:
> >>> The below patch is against sources in FreeBSD tree, it should be applied
> >>> either to sys/amd64/amd64/mp_machdep.c or sys/i386/i386/mp_machdep.c depending
> >>> on the desired architecture:
> >>> http://people.freebsd.org/~avg/intel-cpu-topo.diff
> >>
> >> I see that I am not getting as many testers as I expected, so I am going to commit
> >> the patch.
> >>
> >> You still have a short while to either objectively object to the patch or to
> >> voluntary test it :-)
> > 
> > I would gladly assist in testing this, except there doesn't appear to be
> > an authoritative statement that it will apply to RELENG_8; when I see
> > WIP, I assume -CURRENT/HEAD only.
> 
> patch -C is much better than any statement :)
> 
> > Let me know, since all the systems I have are Intel multi-core.
> 
> Yes, the patch should be applicable to stable/8 without any issues.

Great, thanks!  I'll be testing this out on two separate systems, both
RELENG_8:

- Supermicro X7SBA     + Intel C2D E8400 (stepping 10)
- Supermicro X7SBL-LN2 + Intel C2D E6600 (stepping 6)

I'll make sure to provide what the topology looks like before and after.
Is CPU-relevant dmesg output sufficient?

-- 
| Jeremy Chadwick                                   jdc@parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |




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