KVM: Portability: Move kvm_x86_ops to x86.c

Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index 4282a0f..2edc53e 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -44,6 +44,8 @@
 
 #define STAT_OFFSET(x) offsetof(struct kvm_vcpu, stat.x)
 
+struct kvm_x86_ops *kvm_x86_ops;
+
 struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "pf_fixed", STAT_OFFSET(pf_fixed) },
 	{ "pf_guest", STAT_OFFSET(pf_guest) },