Changeset 81277 in vbox

Timestamp:

Oct 15, 2019 5:11:00 AM (5 years ago)

Author:

vboxsync

Message:

VMM: fCtxChanged isn't volatile.

Location:

trunk/src/VBox/VMM/VMMR0

Files:

• HMSVMR0.cpp (modified) (1 diff)
• HMVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMSVMR0.cpp

@@ -2386 +2386 @@
      */
     uint64_t const fCtxChanged = ASMAtomicUoReadU64(&pVCpu->hm.s.fCtxChanged);
-    RT_UNTRUSTED_NONVOLATILE_COPY_FENCE();
     AssertMsg(!(fCtxChanged & (HM_CHANGED_ALL_GUEST & ~HM_CHANGED_SVM_HOST_GUEST_SHARED_STATE)),
               ("fCtxChanged=%#RX64\n", fCtxChanged));

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -95 +95 @@
         do { \
             uint32_t const fVmcsFieldRead = ASMAtomicUoReadU32(&pVmxTransient->fVmcsFieldsRead); \
-            RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); \
             Assert((fVmcsFieldRead & (a_fReadFields)) == (a_fReadFields)); \
         } while (0)