Nothing good will happen if we do: it''s totally unimplemented.
Signed-off-by: Tim Deegan <tim@xen.org>
---
 xen/arch/x86/hvm/hvm.c |    3 +++
 1 file changed, 3 insertions(+)
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index c742d7b..66bbb10 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -521,6 +521,9 @@ static int pvh_dom_initialise(struct domain *d)
     if ( !d->arch.hvm_domain.hap_enabled )
         return -EINVAL;
 
+    if ( !hvm_funcs.pvh_set_vcpu_info )
+        return -ENOSYS;
+
     spin_lock_init(&d->arch.hvm_domain.irq_lock);
 
     hvm_init_cacheattr_region_list(d);
-- 
1.7.10.4