From: Paolo Bonzini <pbonz...@redhat.com>
commit d30b214d1d0addb7b2c9c78178d1501cd39a01fb upstream.
s390 does not have memremap, even though in this particular case it
would be useful.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Signed-off-by: Ben Hutchings <ben.hutchi...@codethink.co.uk>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
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 4a5ea263edf62..f99b99b77a486 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1722,8 +1722,10 @@ 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)
--
2.20.1
