Changeset 107931 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Jan 24, 2025 10:00:36 AM (4 weeks ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

167166

Message:

VMM/NEM-win: Only export & import IA32_SPEC_CTRL if the host supports it and we're exposing the register to the guest. (AMD regression from r167064.) jiraref:VBP-947 bugref:10738

File:

• trunk/src/VBox/VMM/VMMAll/NEMAllNativeTemplate-win.cpp.h (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/NEMAllNativeTemplate-win.cpp.h

@@ -347 +347 @@
             ADD_REG64(WHvX64RegisterMsrMtrrFix4kF0000,  pCtxMsrs->msr.MtrrFix4K_F0000);
             ADD_REG64(WHvX64RegisterMsrMtrrFix4kF8000,  pCtxMsrs->msr.MtrrFix4K_F8000);
-            if (pVM->nem.s.fSpeculationControl)
+            if (pVM->nem.s.fDoIa32SpecCtrl)
                 ADD_REG64(WHvX64RegisterSpecCtrl, pCtxMsrs->msr.SpecCtrl);
 
@@ -621 +621 @@
         aenmNames[iReg++] = WHvX64RegisterMsrMtrrFix4kF0000;
         aenmNames[iReg++] = WHvX64RegisterMsrMtrrFix4kF8000;
-        if (pVM->nem.s.fSpeculationControl)
+        if (pVM->nem.s.fDoIa32SpecCtrl)
             aenmNames[iReg++] = WHvX64RegisterSpecCtrl;
         /** @todo look for HvX64RegisterIa32MiscEnable and HvX64RegisterIa32FeatureControl? */