Index: /trunk/include/VBox/vmm/vm.h
===================================================================
--- /trunk/include/VBox/vmm/vm.h	(revision 74794)
+++ /trunk/include/VBox/vmm/vm.h	(revision 74795)
@@ -654,6 +654,9 @@
  * @param   fFlag   The flag to set.
  */
-#define VM_FF_SET(pVM, fFlag) \
-    do { AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); ASMAtomicOrU32(&(pVM)->fGlobalForcedActions, (fFlag)); } while (0)
+#define VM_FF_SET(pVM, fFlag) do { \
+        AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); \
+        AssertCompile((fFlag) == RT_BIT_32(fFlag##_BIT)); \
+        ASMAtomicOrU32(&(pVM)->fGlobalForcedActions, (fFlag)); \
+    } while (0)
 
 /** @def VMCPU_FF_SET
@@ -664,6 +667,9 @@
  * @sa      VMCPU_FF_SET_MASK
  */
-#define VMCPU_FF_SET(pVCpu, fFlag) \
-    do { AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); ASMAtomicOrU32(&(pVCpu)->fLocalForcedActions, (fFlag)); } while (0)
+#define VMCPU_FF_SET(pVCpu, fFlag) do { \
+        AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); \
+        AssertCompile((fFlag) == RT_BIT_32(fFlag##_BIT)); \
+        ASMAtomicOrU32(&(pVCpu)->fLocalForcedActions, (fFlag)); \
+    } while (0)
 
 /** @def VMCPU_FF_SET_MASK
@@ -683,6 +689,9 @@
  * @param   fFlag   The flag to clear.
  */
-#define VM_FF_CLEAR(pVM, fFlag) \
-    do { AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); ASMAtomicAndU32(&(pVM)->fGlobalForcedActions, ~(fFlag)); } while (0)
+#define VM_FF_CLEAR(pVM, fFlag) do { \
+        AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); \
+        AssertCompile((fFlag) == RT_BIT_32(fFlag##_BIT)); \
+        ASMAtomicAndU32(&(pVM)->fGlobalForcedActions, ~(fFlag)); \
+    } while (0)
 
 /** @def VMCPU_FF_CLEAR
@@ -692,6 +701,9 @@
  * @param   fFlag   The flag to clear.
  */
-#define VMCPU_FF_CLEAR(pVCpu, fFlag) \
-    do { AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); ASMAtomicAndU32(&(pVCpu)->fLocalForcedActions, ~(fFlag)); } while (0)
+#define VMCPU_FF_CLEAR(pVCpu, fFlag) do { \
+        AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); \
+        AssertCompile((fFlag) == RT_BIT_32(fFlag##_BIT)); \
+        ASMAtomicAndU32(&(pVCpu)->fLocalForcedActions, ~(fFlag)); \
+    } while (0)
 
 /** @def VMCPU_FF_CLEAR_MASK
Index: /trunk/src/VBox/VMM/VMMR3/EMHM.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR3/EMHM.cpp	(revision 74794)
+++ /trunk/src/VBox/VMM/VMMR3/EMHM.cpp	(revision 74795)
@@ -118,5 +118,5 @@
          * normal FF processing the caller or the next call can deal with them.
          */
-        VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
+        VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
         if (   VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_POST_MASK)
             || VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK))
@@ -464,5 +464,5 @@
          * Deal with high priority post execution FFs before doing anything else.
          */
-        VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
+        VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
         if (    VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_POST_MASK)
             ||  VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK))
Index: /trunk/src/VBox/VMM/VMMR3/EMR3Nem.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR3/EMR3Nem.cpp	(revision 74794)
+++ /trunk/src/VBox/VMM/VMMR3/EMR3Nem.cpp	(revision 74795)
@@ -118,5 +118,5 @@
          * normal FF processing the caller or the next call can deal with them.
          */
-        VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
+        VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
         if (   VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_POST_MASK)
             || VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK))
@@ -447,5 +447,5 @@
          * Deal with high priority post execution FFs before doing anything else.
          */
-        VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
+        VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
         if (   VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_POST_MASK)
             || VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK))
Index: /trunk/src/VBox/VMM/VMMR3/EMRaw.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR3/EMRaw.cpp	(revision 74794)
+++ /trunk/src/VBox/VMM/VMMR3/EMRaw.cpp	(revision 74795)
@@ -137,5 +137,5 @@
     Log(("emR3RawResumeHyper: cs:eip=%RTsel:%RGr efl=%RGr - returned from GC with rc=%Rrc\n", pVCpu->cpum.GstCtx.cs.Sel, pVCpu->cpum.GstCtx.eip, pVCpu->cpum.GstCtx.eflags, rc));
     rc = CPUMRawLeave(pVCpu, rc);
-    VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
+    VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
 
     /*
@@ -207,5 +207,5 @@
              || rc == VINF_EM_RAW_INTERRUPT);
     rc = CPUMRawLeave(pVCpu, rc);
-    VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
+    VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
 
     /*
@@ -1416,5 +1416,5 @@
          */
         rc = CPUMRawLeave(pVCpu, rc);
-        VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
+        VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
         if (    VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_POST_MASK)
             ||  VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK))
Index: /trunk/src/VBox/VMM/VMMR3/NEMR3Native-win.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR3/NEMR3Native-win.cpp	(revision 74794)
+++ /trunk/src/VBox/VMM/VMMR3/NEMR3Native-win.cpp	(revision 74795)
@@ -1709,5 +1709,5 @@
                                                            & ~VMCPU_FF_RESUME_GUEST_MASK))
                         {
-                            VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
+                            VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
                             continue;
                         }