Re: [RFC 0/5] percpu: Optimize percpu accesses

Ingo Molnar
2008-07-18T06:52:53Z

* Mike Travis <travis@sgi.com> wrote:

> Mike Travis wrote:
> > Ingo Molnar wrote:
> >> * Ingo Molnar <mingo@elte.hu> wrote:
> >>
> >>>> This patchset provides the following:
> >>>>
> >>>> * Cleanup: Fix early references to cpumask_of_cpu(0)
> >>>> * Generic: Percpu infrastructure to rebase the per cpu area to zero
> >>>> * x86_64: Fold pda into per cpu area
> >>>> * x86_64: Rebase per cpu variables to zero
> >>> thanks Mike - i've started testing it in -tip. One small merge fallout
> >>> fix is below. (it's for the new generic-ipi topic that was not in
> >>> tip/master yet when you merged percpu-zerobased to it)
> >> ok, -tip testing found an early boot crash caused by your patchset, on
> >> 64-bit x86:
>
> Hi Ingo,
>
> Which gcc version are you using?

vanilla gcc-4.2.3 (unpatched).

Ingo