KVM: export the load_pdptrs() function to modules

The load_pdptrs() function is required in the SVM module for NPT support.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 38edb2f..0c910c7 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -213,6 +213,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(load_pdptrs);
 
 static bool pdptrs_changed(struct kvm_vcpu *vcpu)
 {