[PATCH v2 1/2] exec: Check Xen is enabled before calling the Xen API

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/exec/ram_addr.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 5e59a3d8d7..dd8713179e 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -330,7 +330,9 @@ static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,
         }
     }
 
-    xen_hvm_modified_memory(start, length);
+    if (xen_enabled()) {
+        xen_hvm_modified_memory(start, length);
+    }
 }
 
 #if !defined(_WIN32)
@@ -388,7 +390,9 @@ static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
             }
         }
 
-        xen_hvm_modified_memory(start, pages << TARGET_PAGE_BITS);
+        if (xen_enabled()) {
+            xen_hvm_modified_memory(start, pages << TARGET_PAGE_BITS);
+        }
     } else {
         uint8_t clients = tcg_enabled() ? DIRTY_CLIENTS_ALL : DIRTY_CLIENTS_NOCODE;
 
-- 
2.21.3