kvm: fix compilation on s390

s390 does not have memremap, even though in this particular case it
would be useful.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 1fadfb9..134ec02 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1761,8 +1761,10 @@ static int __kvm_map_gfn(struct kvm_memory_slot *slot, gfn_t gfn,
        if (pfn_valid(pfn)) {
                page = pfn_to_page(pfn);
                hva = kmap(page);
+#ifdef CONFIG_HAS_IOMEM
        } else {
                hva = memremap(pfn_to_hpa(pfn), PAGE_SIZE, MEMREMAP_WB);
+#endif
        }
 
        if (!hva)