[PATCH] abstract out bits of ldt.c

[chrisw at osdl.org (Chris Wright)]

* Zachary Amsden (zach@xxxxxxxxxx) 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
entry).

thanks,
-chris