diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index f4e5939b7958..2ede75484c62 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -244,6 +244,8 @@ static int register_cpu_capacity_sysctl(void)
 subsys_initcall(register_cpu_capacity_sysctl);
 
 static int update_topology;
+bool topology_update_done;
+EXPORT_SYMBOL_GPL(topology_update_done);
 
 int topology_update_cpu_topology(void)
 {
@@ -258,6 +260,7 @@ static void update_topology_flags_workfn(struct work_struct *work)
 {
 	update_topology = 1;
 	rebuild_sched_domains();
+	topology_update_done = true;
 	trace_android_vh_update_topology_flags_workfn(NULL);
 	pr_debug("sched_domain hierarchy rebuilt, flags updated\n");
 	update_topology = 0;
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index a07b510e7dc5..589f2a21a4af 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -93,5 +93,6 @@ void remove_cpu_topology(unsigned int cpuid);
 void reset_cpu_topology(void);
 int parse_acpi_topology(void);
 #endif
+extern bool topology_update_done;
 
 #endif /* _LINUX_ARCH_TOPOLOGY_H_ */