We also need to fence the memunmap part. Fixes: e45adf665a53 ("KVM: Introduce a new guest mapping API") Fixes: d30b214d1d0a (kvm: fix compilation on s390) Cc: Michal Kubecek <mkubecek@xxxxxxx> Cc: KarimAllah Ahmed <karahmed@xxxxxxxxx> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> --- virt/kvm/kvm_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 134ec0283a8a..301089a462c4 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1795,8 +1795,10 @@ void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map, if (map->page) kunmap(map->page); +#ifdef CONFIG_HAS_IOMEM else memunmap(map->hva); +#endif if (dirty) { kvm_vcpu_mark_page_dirty(vcpu, map->gfn); -- 2.21.0