#define cpu_to_node(cpu) (sn_cpu_info[(cpu)].p_nodeid)
#define parent_node(node) (node)
-#define cpumask_of_node(node) (&hub_data(node)->h_cpus)
+#define cpumask_of_node(node) ((node) == -1 ? \
+ cpu_all_mask : \
+ &hub_data(node)->h_cpus)
struct pci_bus;
extern int pcibus_to_node(struct pci_bus *);