synchronize_kernel();
synchronize_rcu();
int HvLpEvent_unregisterHandler( HvLpEvent_Type eventType ){	int rc = 1;	might_sleep();	if ( eventType < HvLpEvent_Type_NumTypes ) {		if ( !lpEventHandlerPaths[eventType] ) {			lpEventHandler[eventType] = NULL;			rc = 0;			/* We now sleep until all other CPUs have scheduled. This ensures that			 * the deletion is seen by all other CPUs, and that the deleted handler			 * isn't still running on another CPU when we return. */			synchronize_kernel();		}	}	return rc;}