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-rw-r--r--target-ppc/kvm.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index ce8ac5b4de..50cfa02f78 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -740,6 +740,7 @@ void kvmppc_set_papr(CPUState *env)
     struct kvm_one_reg reg = {};
     struct kvm_sregs sregs = {};
     int ret;
+    uint64_t hior = env->spr[SPR_HIOR];
 
     cap.cap = KVM_CAP_PPC_PAPR;
     ret = kvm_vcpu_ioctl(env, KVM_ENABLE_CAP, &cap);
@@ -755,11 +756,14 @@ void kvmppc_set_papr(CPUState *env)
      *     Once we have qdev CPUs, move HIOR to a qdev property and
      *     remove this chunk.
      */
-    reg.id = KVM_ONE_REG_PPC_HIOR;
-    reg.u.reg64 = env->spr[SPR_HIOR];
+    reg.id = KVM_REG_PPC_HIOR;
+    reg.addr = (uintptr_t)&hior;
     ret = kvm_vcpu_ioctl(env, KVM_SET_ONE_REG, &reg);
     if (ret) {
-        goto fail;
+        fprintf(stderr, "Couldn't set HIOR. Maybe you're running an old \n"
+                        "kernel with support for HV KVM but no PAPR PR \n"
+                        "KVM in which case things will work. If they don't \n"
+                        "please update your host kernel!\n");
     }
 
     /* Set SDR1 so kernel space finds the HTAB */