* Andi Kleen <[EMAIL PROTECTED]> wrote:
> On Wed, Jan 09, 2008 at 02:16:09AM +0100, Ingo Molnar wrote:
> >
> > * Jeremy Fitzhardinge <[EMAIL PROTECTED]> 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.
'not so ancient' like: pre-PPro ones? But we mark the ptes PAGE_GLOBAL
during pagetable init so we should be fine performance-wise.
but yeah, it shouldnt be turned on unconditionally indeed.
Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/