Re: [PATCH 8/14] i386 / Add a per cpu gdt accessor

[Andi Kleen]

On Tue, Aug 16, 2005 at 05:07:36PM -0700, Chris Wright wrote:
> * Andi Kleen (ak@xxxxxxx) wrote:
> > On Wed, Aug 10, 2005 at 09:56:40PM -0700, zach@xxxxxxxxxx wrote:
> > > Add an accessor function for getting the per-CPU gdt.  Callee must already
> > > have the CPU.
> > 
> > What is the accessor good for? 
> > 
> > It looks just like code obfuscation to me.
> 
> Xen handles gdt differently (one page per cpu instead of per_cpu data).
> So this is for handling that access cleanly.

It would be much cleaner to use a per_cpu pointer then and just allocate
it differently.

-Andi
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