1 files changed, 26 insertions, 0 deletions

diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c
index 0838942b7083..9b0b633b6c92 100644
--- a/arch/sh/kernel/topology.c
+++ b/arch/sh/kernel/topology.c
@@ -16,6 +16,32 @@
 
 static DEFINE_PER_CPU(struct cpu, cpu_devices);
 
+cpumask_t cpu_core_map[NR_CPUS];
+
+static cpumask_t cpu_coregroup_map(unsigned int cpu)
+{
+        /*
+         * Presently all SH-X3 SMP cores are multi-cores, so just keep it
+         * simple until we have a method for determining topology..
+         */
+        return cpu_possible_map;
+}
+
+const struct cpumask *cpu_coregroup_mask(unsigned int cpu)
+{
+        return &cpu_core_map[cpu];
+}
+
+int arch_update_cpu_topology(void)
+{
+        unsigned int cpu;
+
+        for_each_possible_cpu(cpu)
+                cpu_core_map[cpu] = cpu_coregroup_map(cpu);
+
+        return 0;
+}
+
 static int __init topology_init(void)
 {
         int i, ret;