diff options
Diffstat (limited to 'arch/s390/kvm/pv.c')
| -rw-r--r-- | arch/s390/kvm/pv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/kvm/pv.c b/arch/s390/kvm/pv.c index e032ebbf51b9..3ce5f4351156 100644 --- a/arch/s390/kvm/pv.c +++ b/arch/s390/kvm/pv.c @@ -314,6 +314,11 @@ int kvm_s390_pv_set_aside(struct kvm *kvm, u16 *rc, u16 *rrc) */ if (kvm->arch.pv.set_aside) return -EINVAL; + + /* Guest with segment type ASCE, refuse to destroy asynchronously */ + if ((kvm->arch.gmap->asce & _ASCE_TYPE_MASK) == _ASCE_TYPE_SEGMENT) + return -EINVAL; + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; |