Messages in this thread | | | Date | Tue, 25 Sep 2012 10:39:40 +0800 | From | Tang Chen <> | Subject | Re: [PATCH] Update sched_domains_numa_masks when new cpus are onlined. |
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On 09/24/2012 05:57 PM, Srivatsa S. Bhat wrote: > 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?
Yes, that's right. Thanks. :)
> > Regards, > Srivatsa S. Bhat > > -- > 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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