1 files changed, 5 insertions, 0 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 50d5553991..83a444472b 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1999,6 +1999,11 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
     }
     cpu->thread_id = topo.smt_id;
 
+    if (cpu->hyperv_vpindex && !kvm_hv_vpindex_settable()) {
+        error_setg(errp, "kernel doesn't allow setting HyperV VP_INDEX");
+        return;
+    }
+
     cs = CPU(cpu);
     cs->cpu_index = idx;