Changeset 82612 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

Dec 18, 2019 10:47:57 AM (5 years ago)

Author:

vboxsync

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

135499

Message:

VMM/HM: Disable LBR virtualization by default. Only enable when set via CFGM for now.

File:

• trunk/src/VBox/VMM/VMMR0/HMSVMR0.cpp (modified) (1 diff)

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

@@ -944 +944 @@
 
     bool const fLbrVirt              = RT_BOOL(pVM->hm.s.svm.u32Features & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
-    bool const fUseLbrVirt           = fLbrVirt; /** @todo CFGM, IEM implementation etc. */
+    bool const fUseLbrVirt           = fLbrVirt && pVM->hm.s.svm.fLbrVirt; /** @todo IEM implementation etc. */
 
 #ifdef VBOX_WITH_NESTED_HWVIRT_SVM