Re: [PATCH 15/15] x86: Fix cpu_coregroup_mask to return correctcpumask on multi-node processors

From: Peter Zijlstra
Date: Fri Aug 28 2009 - 08:50:37 EST


On Fri, 2009-08-28 at 14:03 +0200, Andreas Herrmann wrote:
>
> > the opteron I have seems to be two
> > single cores
>
> Really? I am not aware of such a thing.
>
> Can you check how many sets of northbridge functions do you have? If
> you would have two dies in one package then you should see one set of
> PCI functions at bus 0 device 24 and a second set of PCI functions at
> bus 0 device 25, e.g.
>
> # lspci -d 1022:
> ...
> 00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] Family 10h
> [Opteron, Athlon64, Sempron] HyperTransport Configuration [1022:1200]
> ...
> 00:19.0 Host bridge [0600]: Advanced Micro Devices [AMD] Family 10h
> [Opteron, Athlon64, Sempron] HyperTransport Configuration [1022:1200]
> ...

Doesn't appear to be the case, maybe I mis-remembered the various masks
for that machine.

Oh well ;-)

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