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-rw-r--r--include/linux/arch_topology.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index 0c2a8b846c20..ebd7f8935f96 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -80,6 +80,11 @@ extern struct cpu_topology cpu_topology[NR_CPUS];
#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
#define topology_cluster_cpumask(cpu) (&cpu_topology[cpu].cluster_sibling)
#define topology_llc_cpumask(cpu) (&cpu_topology[cpu].llc_sibling)
+
+#ifndef arch_cpu_is_threaded
+#define arch_cpu_is_threaded() (0)
+#endif
+
void init_cpu_topology(void);
void store_cpu_topology(unsigned int cpuid);
const struct cpumask *cpu_coregroup_mask(int cpu);