On 27.05.19 11:16, Christian Borntraeger wrote:
> 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);
>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
--
Thanks,
David / dhildenb
