Index: /trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp
===================================================================
--- /trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp	(revision 85859)
+++ /trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp	(revision 85860)
@@ -4433,5 +4433,6 @@
  * @thread  Any.
  */
-static int iommuAmdDeviceMemRead(PPDMDEVINS pDevIns, uint16_t uDevId, uint64_t uIova, size_t cbRead, PRTGCPHYS pGCPhysSpa)
+static DECLCALLBACK(int) iommuAmdDeviceMemRead(PPDMDEVINS pDevIns, uint16_t uDevId, uint64_t uIova, size_t cbRead,
+                                               PRTGCPHYS pGCPhysSpa)
 {
     /* Validate. */
@@ -4469,5 +4470,6 @@
  * @thread  Any.
  */
-static int iommuAmdDeviceMemWrite(PPDMDEVINS pDevIns, uint16_t uDevId, uint64_t uIova, size_t cbWrite, PRTGCPHYS pGCPhysSpa)
+static DECLCALLBACK(int) iommuAmdDeviceMemWrite(PPDMDEVINS pDevIns, uint16_t uDevId, uint64_t uIova, size_t cbWrite,
+                                                PRTGCPHYS pGCPhysSpa)
 {
     /* Validate. */
@@ -4781,5 +4783,5 @@
  * @param   pMsiOut     Where to store the remapped MSI.
  */
-static int iommuAmdDeviceMsiRemap(PPDMDEVINS pDevIns, uint16_t uDevId, PCMSIMSG pMsiIn, PMSIMSG pMsiOut)
+static DECLCALLBACK(int) iommuAmdDeviceMsiRemap(PPDMDEVINS pDevIns, uint16_t uDevId, PCMSIMSG pMsiIn, PMSIMSG pMsiOut)
 {
     /* Validate. */