Re: x86: Convert cpu_core_map to be a per cpu variable

[David Miller <davem@davemloft.net>]

From: Christoph Lameter <clameter@sgi.com>
Date: Fri, 13 Jul 2007 09:34:02 -0700 (PDT)

> But the code modified here is x86_64 and i386 specific? Is there an 
> overlap?

I see, the acessor is abstracted via a function.

That seems pointless, and allows you to do things like this, improving
the implementation on one set of platforms yet leave others using
SMT/multi-core scheduling behind.

It makes a lot more sense to make the implementation consistent
and therefore the improvements are seen on every platform.
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