xen/pvhvm: fix build problem when !CONFIG_XEN

x86_hyper_xen_hvm is only defined when Xen is enabled in the kernel
config.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c
index bffd47c10fed..5bccedcb9121 100644
--- a/arch/x86/kernel/cpu/hypervisor.c
+++ b/arch/x86/kernel/cpu/hypervisor.c
@@ -34,7 +34,9 @@ static const __initconst struct hypervisor_x86 * const hypervisors[] =
 {
         &x86_hyper_vmware,
         &x86_hyper_ms_hyperv,
+#ifdef CONFIG_XEN
         &x86_hyper_xen_hvm,
+#endif
 };
 
 const struct hypervisor_x86 *x86_hyper;