xen: simplify xen_enabled

No need for preprocessor conditionals in xen_enabled: xen_allowed is
always defined.

upstream-commit-id: 49fa9881b2358e390e9e9466ddde74e995927efa

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

diff --git a/hw/xen.h b/hw/xen.h
index e3cca7fb9220e28566aa1e612d2bf9ff575d86d5..dd46db9ac8e116ad0edc48dcc43711e03c71fdc2 100644 (file)
--- a/hw/xen.h
+++ b/hw/xen.h
@@ -25,11 +25,7 @@ extern int xen_allowed;
 
 static inline int xen_enabled(void)
 {
-#if defined(CONFIG_XEN_BACKEND) && !defined(CONFIG_NO_XEN)
     return xen_allowed;
-#else
-    return 0;
-#endif
 }
 
 int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);