Re: BUG: using smp_processor_id() during suspend with 2.6.25-rc8

Andi Kleen
2008-04-07T22:07:58Z

On Tue, Apr 08, 2008 at 12:04:39AM +0200, Jiri Kosina wrote:
> On Tue, 8 Apr 2008, Andi Kleen wrote:
>
> > > It is not safe to call smp_processor_id() in cases we are not sure
> > > someone will not reschedule us.
> > We are sure. Machine checks always run with interrupts off.
>
> I know. However preempt_count is a little bit inconsistent in such cases
> though.

And? interrupts off beats preempt count anyways.

Why did you write the patch? Was there a (incorrect) warning triggered?

-Andi