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path: root/drivers/powercap
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-rw-r--r--drivers/powercap/intel_rapl.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index 61b51e17d932..d9a0770b6c73 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -1374,6 +1374,9 @@ static int __init rapl_init(void)
return -ENODEV;
}
+
+ cpu_notifier_register_begin();
+
/* prevent CPU hotplug during detection */
get_online_cpus();
ret = rapl_detect_topology();
@@ -1385,20 +1388,23 @@ static int __init rapl_init(void)
ret = -ENODEV;
goto done;
}
- register_hotcpu_notifier(&rapl_cpu_notifier);
+ __register_hotcpu_notifier(&rapl_cpu_notifier);
done:
put_online_cpus();
+ cpu_notifier_register_done();
return ret;
}
static void __exit rapl_exit(void)
{
+ cpu_notifier_register_begin();
get_online_cpus();
- unregister_hotcpu_notifier(&rapl_cpu_notifier);
+ __unregister_hotcpu_notifier(&rapl_cpu_notifier);
rapl_unregister_powercap();
rapl_cleanup_data();
put_online_cpus();
+ cpu_notifier_register_done();
}
module_init(rapl_init);