Re: [PATCH 00 of 10] x86: unify asm/pgtable.h

Andi Kleen
2008-01-09T01:18:58Z

On Wed, Jan 09, 2008 at 02:16:09AM +0100, Ingo Molnar wrote:
>
> * Jeremy Fitzhardinge <jeremy@goop.org> wrote:
>
> > This isn't correct, because it will set _PAGE_GLOBAL on 32-bit
> > unconditionally. It needs to be something like:
>
> hm, why is that a problem?

Not so ancient 32bit CPUs didn't support global.

> Ah, the VDSO page must not be global-mapped,

That too.

-Andi