cpumask: Mips: Introduce cpumask_of_{node,pcibus} to replace {node,pcibus}_to_cpumask

Impact: New APIs

The old node_to_cpumask/node_to_pcibus returned a cpumask_t: these
return a pointer to a struct cpumask.  Part of removing cpumasks from
the stack.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h
index 7785bec..c1c3f5b 100644 (file)
--- a/arch/mips/include/asm/mach-ip27/topology.h
+++ b/arch/mips/include/asm/mach-ip27/topology.h
@@ -25,11 +25,13 @@ extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];
 #define cpu_to_node(cpu)       (sn_cpu_info[(cpu)].p_nodeid)
 #define parent_node(node)      (node)
 #define node_to_cpumask(node)  (hub_data(node)->h_cpus)
-#define node_to_first_cpu(node)        (first_cpu(node_to_cpumask(node)))
+#define cpumask_of_node(node)  (&hub_data(node)->h_cpus)
+#define node_to_first_cpu(node)        (cpumask_first(cpumask_of_node(node)))
 struct pci_bus;
 extern int pcibus_to_node(struct pci_bus *);
 
 #define pcibus_to_cpumask(bus) (cpu_online_map)
+#define cpumask_of_pcibus(bus) (cpu_online_mask)
 
 extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];