* [PATCH] kvm: memunmap() also needs HAS_IOMEM
@ 2019-05-27 6:38 Michal Kubecek
0 siblings, 0 replies; only message in thread
From: Michal Kubecek @ 2019-05-27 6:38 UTC (permalink / raw)
To: kvm; +Cc: Paolo Bonzini, Radim Krcmar, KarimAllah Ahmed, linux-kernel
Commit d30b214d1d0a ("kvm: fix compilation on s390") addresses link error
(undefined reference to memremap) without HAS_IOMEM but memunmap() is also
only available with HAS_IOMEM enabled so that we need similar fix in
kvm_vcpu_unmap().
Fixes: e45adf665a53 ("KVM: Introduce a new guest mapping API")
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
---
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
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2019-05-27 6:38 [PATCH] kvm: memunmap() also needs HAS_IOMEM Michal Kubecek
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