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* Ingo Molnar <mingo@elte.hu> wrote: > yeah, totally agreed, they need to be raw notifiers. Havent had time > to investigate it in detail yet - i went for the easier hack of > disabling NMIs while lockdep is enabled. hm ... atomic_notifier_call_chain ought to be fine - it uses rcu_read_lock(), which uses preempt_disable(), which is NMI-safe. so i think this NMI problem might be lockdep-specific. I think it might be the NMI iret that confuses lockdep. (and irqflags-trace in particular) Ingo - 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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