Messages in this thread | | | Date | Mon, 19 Mar 2012 17:57:22 +0530 | From | "Srivatsa S. Bhat" <> | Subject | Re: [RFC][PATCH 15/26] sched, numa: Implement hotplug hooks |
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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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