Re: [patch, -rc5-mm1] lock validator: disable NMI watchdog if CONFIG_LOCKDEP, i386

Andi Kleen
2006-05-30T19:14:59Z

Ingo Molnar <mingo@elte.hu> writes:
>
> The NMI watchdog uses spinlocks (notifier chains, etc.),
> so it's not lockdep-safe at the moment.

That's totally unsafe even without lockdep and should be fixed
instead. I guess someone bungled the notifier chain conversion.
The NMI notifiers need to be lockless.

-Andi