Re: [patch 4/6] Convert PDA into the percpu section

Andi Kleen
2007-03-31T02:36:08Z

On Saturday 31 March 2007 04:00, Jeremy Fitzhardinge wrote:
> Currently x86 (similar to x84-64) has a special per-cpu structure
> called "i386_pda" which can be easily and efficiently referenced via
> the %fs register. An ELF section is more flexible than a structure,
> allowing any piece of code to use this area. Indeed, such a section
> already exists: the per-cpu area.

Hmm, I'm a little reluctant. This moves i386 more away from x86-64
again. If we ever merge them it would mean more work. Do you really need it?

-Andi