diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 8648438..8ee16f3 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -55,6 +55,31 @@ static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
 static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
 static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);

+const struct cpumask *xen_pcpu_sched_domain_mask(int cpu)
+{
+   return cpu_online_mask;
+}
+
+static inline int xen_pcpu_flags(void)
+{
+   return SD_SHARE_CPUCAPACITY | SD_SHARE_PKG_RESOURCES;
+}
+
+static struct sched_domain_topology_level xen_sched_domain_topology[] = {
+        { xen_pcpu_sched_domain_mask, SD_INIT_NAME(PCPU) },
+        { NULL, },
+};
+
+static void xen_set_sched_topology(void)
+{
+        set_sched_topology(xen_sched_domain_topology);
+}
+
+//6025 unsigned long __weak arch_scale_cpu_capacity(struct sched_domain *sd, int cpu)
+//6026 {
+//6027         return default_scale_cpu_capacity(sd, cpu);
+//6028 }
+
 /*
  * Reschedule call back.
  */
@@ -335,6 +360,8 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
    }
    set_cpu_sibling_map(0);

+   xen_set_sched_topology();
+
    if (xen_smp_intr_init(0))
        BUG();