On Mon, 2012-03-19 at 17:46 +0530, Srivatsa S. Bhat wrote: > > + get_online_cpus(); > > + cpu_notifier(numa_hotplug, 0); > > > ABBA deadlock! > Yeah, I know.. luckily it can't actually happen since early_initcalls are pre-smp. I could just leave out the get_online_cpus() thing.