Re: [discuss] [patch] x86_64: align and pad x86_64 GDT on pageboundary

[Rohit Seth]

On Fri, 2005-12-09 at 00:11 +0100, Andi Kleen wrote:
> On Thu, Dec 08, 2005 at 03:09:17PM -0800, Rohit Seth wrote:
> >
> > IIRC, Zach's patches for gdt alignment, moved the gdts from per_cpu data
> > structure to each secondary CPU dynamically allocating page for its gdt.
> 
> Kiran's patch does this too.  Except for the BP GDT, which could
> be shared with the single IDT.
> 

...that padding in BP's GDT (in this and original patches) could be
because of the Xen requirements to have dedicated pages for gdt.

-rohit




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