Re: [PATCH 3/4] x86_64: Fold pda into per cpu area

[Christoph Lameter]

On Wed, 4 Jun 2008, Jeremy Fitzhardinge wrote:

> > 	%gs:[&per_cpu_xxxx - __per_cpu_start]
> >   
> 
> Unfortunately that doesn't actually work, because you can't have a reloc with
> two variables.

That is just a conceptual discussion. __per_cpu_start is 0 with the zero 
based patch. And thus this reduces to

%gs[&per_cpu_xxx]

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