Message ID | 1352835171-3958-7-git-send-email-fenghua.yu@intel.com (mailing list archive) |
---|---|
State | Not Applicable, archived |
Headers | show |
diff --git a/kernel/cpu.c b/kernel/cpu.c index 42bd331..a2491a2 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -601,6 +601,11 @@ cpu_hotplug_pm_callback(struct notifier_block *nb, static int __init cpu_hotplug_pm_sync_init(void) { + /* + * cpu_hotplug_pm_callback has higher priority than x86 + * bsp_pm_callback which depends on cpu_hotplug_pm_callback + * to disable cpu hotplug to avoid cpu hotplug race. + */ pm_notifier(cpu_hotplug_pm_callback, 0); return 0; }