---

yaml --- r: 313681 b: refs/heads/master c: 852d8cb h: refs/heads/master i: 313679: 023ef0d v: v3
git-mirror · Jul 11, 2012 · 4f2fe90 · 4f2fe90
1 parent 4c8ee3d
commit 4f2fe90
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Showing 2 changed files with 19 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8bf8385b9c3b7f6aaf892eb3141a5af0bbb2027e
+refs/heads/master: 852d8cb1ff7cc26e59a4bbb68e230d133b257098
diff --git a/trunk/arch/powerpc/platforms/pseries/processor_idle.c b/trunk/arch/powerpc/platforms/pseries/processor_idle.c
@@ -197,13 +197,25 @@ static int pseries_cpuidle_add_cpu_notifier(struct notifier_block *n,
 	struct cpuidle_device *dev =
 			per_cpu_ptr(pseries_cpuidle_devices, hotcpu);
 
-	switch (action & 0xf) {
-	case CPU_ONLINE:
-		if (dev && cpuidle_get_driver()) {
-			cpuidle_disable_device(dev);
+	if (dev && cpuidle_get_driver()) {
+		switch (action) {
+		case CPU_ONLINE:
+		case CPU_ONLINE_FROZEN:
+			cpuidle_pause_and_lock();
 			cpuidle_enable_device(dev);
+			cpuidle_resume_and_unlock();
+			break;
+
+		case CPU_DEAD:
+		case CPU_DEAD_FROZEN:
+			cpuidle_pause_and_lock();
+			cpuidle_disable_device(dev);
+			cpuidle_resume_and_unlock();
+			break;
+
+		default:
+			return NOTIFY_DONE;
 		}
-		break;
 	}
 	return NOTIFY_OK;
 }
@@ -345,6 +357,7 @@ static int __init pseries_processor_idle_init(void)
 static void __exit pseries_processor_idle_exit(void)
 {
 
+	unregister_cpu_notifier(&setup_hotplug_notifier);
 	pseries_idle_devices_uninit();
 	cpuidle_unregister_driver(&pseries_idle_driver);