Messages in this thread | | | Date | Mon, 24 Sep 2012 15:27:09 +0530 | From | "Srivatsa S. Bhat" <> | Subject | Re: [PATCH] Update sched_domains_numa_masks when new cpus are onlined. |
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On 09/24/2012 03:08 PM, Peter Zijlstra wrote: >> + hotcpu_notifier(sched_domains_numa_masks_update, CPU_PRI_SCHED_ACTIVE); >> hotcpu_notifier(cpuset_cpu_active, CPU_PRI_CPUSET_ACTIVE); >> hotcpu_notifier(cpuset_cpu_inactive, CPU_PRI_CPUSET_INACTIVE); > > OK, so you really want your notifier to run before cpuset_cpu_active > because otherwise you get that crash, yet you fail with the whole order > thing.. You should not _ever_ rely on registration order. >
IMHO he isn't relying on registration order.. He uses the CPU_PRI_SCHED_ACTIVE priority to ensure that the ordering of callbacks is right, isn't it?
Regards, Srivatsa S. Bhat
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