KVM common code should'nt try to create the same virtual cpu twice. In case of s390, it crashes badly in kvm_arch_vcpu_create. Reported-by: Mijo Safradin <mijo@xxxxxxxxxxxxxxxxxx> Signed-off-by: Carsten Otte <cotte@xxxxxxxxxx> --- virt/kvm/kvm_main.c | 3 +++ 1 file changed, 3 insertions(+) Index: kvm/virt/kvm/kvm_main.c =================================================================== --- kvm.orig/virt/kvm/kvm_main.c +++ kvm/virt/kvm/kvm_main.c @@ -1605,6 +1605,9 @@ static int kvm_vm_ioctl_create_vcpu(stru if (!valid_vcpu(n)) return -EINVAL; + if (kvm->vcpus[n]) + return -EEXIST; + vcpu = kvm_arch_vcpu_create(kvm, n); if (IS_ERR(vcpu)) return PTR_ERR(vcpu); -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
