Introduce CONFIG_XEN_PVHVM compile option

This patch introduce a CONFIG_XEN_PVHVM compile time option to
enable/disable Xen PV on HVM support.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 75b479a684fd..6f5345378abc 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1282,6 +1282,7 @@ void xen_hvm_init_shared_info(void)
         }
 }
 
+#ifdef CONFIG_XEN_PVHVM
 static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self,
                                     unsigned long action, void *hcpu)
 {
@@ -1338,3 +1339,4 @@ const __refconst struct hypervisor_x86 x86_hyper_xen_hvm = {
         .init_platform          = xen_hvm_guest_init,
 };
 EXPORT_SYMBOL(x86_hyper_xen_hvm);
+#endif