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-rw-r--r--arch/s390/kvm/kvm-s390.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 84c069afc02f..39115f5a38df 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -1927,6 +1927,10 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
memcpy(kvm->arch.model.fac_list, kvm->arch.model.fac_mask,
S390_ARCH_FAC_LIST_SIZE_BYTE);
+ /* we are always in czam mode - even on pre z14 machines */
+ set_kvm_facility(kvm->arch.model.fac_mask, 138);
+ set_kvm_facility(kvm->arch.model.fac_list, 138);
+ /* we emulate STHYI in kvm */
set_kvm_facility(kvm->arch.model.fac_mask, 74);
set_kvm_facility(kvm->arch.model.fac_list, 74);
if (MACHINE_HAS_TLB_GUEST) {