Re: [PATCH] x86_64: store Socket ID in phys_proc_id

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On Tue, Oct 17, 2006 at 11:26:30AM -0700, Lu, Yinghai wrote:
> From: Andi Kleen [mailto:[email protected]] 
> 
> >> So for the apic id lifted system, for example BSP with apicid 0x10,
> the
> >> phys_proc_id will be 8.
> 
> >How is that a problem? 
> 
> Socket ID is 0 for first Physical processor?

It must just be some unique ID for each socket.

> >> It also removed ht_nodeid calculating, because We already have
> correct
> >> socket id for sure.
> 
> >we've had cases where it wasn't identical, that is when i originally
> >added that code.
> 
> OK, it must be system with Horus?

No it was with some dual core systems. Not all systems follow
the standard convention. Also there can be missing memory on
some nodes, this code handles this too.

-Andi
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