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    SubjectRe: [RFC][PATCH 15/26] sched, numa: Implement hotplug hooks
    On 03/19/2012 05:49 PM, Peter Zijlstra wrote:

    > 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.
    >


    Oh numa_init() is an early_initcall? Ok, I didn't observe.
    In that case, its fine either way, with or without get_online_cpus()
    stuff.

    Regards,
    Srivatsa S. Bhat



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