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On 30 May 2006 21:14:54 +0200 Andi Kleen <ak@suse.de> wrote: > 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. > Confused. NMI uses notify_die(), which doesn't take locks? We'll probably accidentally take locks when actually reporting an NMI watchdog timeout, but that doesn't seem terribly important. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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