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SubjectRe: [PATCH] abstract out bits of ldt.c
* Zachary Amsden ( wrote:
> Doesn't that require 16 pages per CPU? That seems excessive to impose
> on a native build. Perhaps we could get away with 1 page per CPU for
> the GDT on native boots and bump that up to 16 if compiling for a
> virtualized sub-architecture - i.e. move GDT to a page aligned struct
> for native (doesn't cost too much), and give it MACH_GDT_PAGES of space
> which is defined by the sub-architecture.

For Xen, the gdt is one page per cpu (so it's not one page per table

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