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> + preempt_disable(); /* CPU hotplug */
> + for_each_online_cpu(cpu) {
> + /* connect live CPUs to sysfs */
> + thermal_throttle_add_dev(get_cpu_sysdev(cpu));
> + }
> + preempt_enable();
There was still one problem in there: sysfs_create_group can
sleep and that's not ok with preemption disabled.
I changed it to register the notifier first and do the necessary
locking in there using a private lock (that the new akpm-recommended(tm)
way to do this)
-Andi
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