Index: /trunk/src/VBox/Devices/Storage/DevVirtioSCSI.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/DevVirtioSCSI.cpp	(revision 81662)
+++ /trunk/src/VBox/Devices/Storage/DevVirtioSCSI.cpp	(revision 81663)
@@ -1784,7 +1784,11 @@
              && cb == RT_SIZEOFMEMB(VIRTIOSCSI_CONFIG_T, member)) )
 
-#define LOG_SCSI_CONFIG_ACCESSOR(member) \
+#ifdef LOG_ENABLED
+# define LOG_SCSI_CONFIG_ACCESSOR(member) \
         virtioLogMappedIoValue(__FUNCTION__, #member, RT_SIZEOFMEMB(VIRTIOSCSI_CONFIG_T, member), \
                                pv, cb, offIntra, fWrite, false, 0);
+#else
+# define LOG_SCSI_CONFIG_ACCESSOR(member) do { } while (0)
+#endif
 
 #define SCSI_CONFIG_ACCESSOR(member) \