Changeset 108076 in vbox for trunk/src/VBox/VMM

Timestamp:

Feb 5, 2025 3:25:53 PM (3 months ago)

Author:

vboxsync

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

167369

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.) [fix] jiraref:VBP-947 bugref:10738

File:

• trunk/src/VBox/VMM/VMMAll/NEMAllNativeTemplate-win.cpp.h (modified) (1 diff)

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

@@ -981 +981 @@
             GET_REG64_LOG7(pCtxMsrs->msr.MtrrFix4K_F0000,  WHvX64RegisterMsrMtrrFix4kF0000,  "MSR MTRR_FIX_4K_F0000");
             GET_REG64_LOG7(pCtxMsrs->msr.MtrrFix4K_F8000,  WHvX64RegisterMsrMtrrFix4kF8000,  "MSR MTRR_FIX_4K_F8000");
-            if (pVM->nem.s.fSpeculationControl)
+            if (pVM->nem.s.fDoIa32SpecCtrl)
                 GET_REG64_LOG7(pCtxMsrs->msr.SpecCtrl,     WHvX64RegisterSpecCtrl,           "MSR IA32_SPEC_CTRL");
             /** @todo look for HvX64RegisterIa32MiscEnable and HvX64RegisterIa32FeatureControl? */