Changeset 79352 in vbox for trunk/src/VBox/VMM

Timestamp:

Jun 26, 2019 9:42:43 AM (6 years ago)

Author:

vboxsync

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

131584

Message:

VMM/HM: Nested VMX: bugref:9180 Comment on where to tweak host MSRs for testing VMX/SVM R0 code. Added 'full' or 'partial' VMCS shadowing support to the release log.

Location:

trunk/src/VBox/VMM

Files:

• VMMR0/HMR0.cpp (modified) (2 diffs)
• VMMR3/HM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMR0.cpp

@@ -1178 +1178 @@
         pVM->hm.s.vmx.u64HostSmmMonitorCtl  = g_HmR0.hwvirt.u.vmx.u64HostSmmMonitorCtl;
         HMGetVmxMsrsFromHwvirtMsrs(&g_HmR0.hwvirt.Msrs, &pVM->hm.s.vmx.Msrs);
+        /* If you need to tweak host MSRs for testing VMX R0 code, do it here. */
 
         /* Enable VPID if supported and configured. */
@@ -1217 +1218 @@
         pVM->hm.s.svm.u32Features = g_HmR0.hwvirt.u.svm.u32Features;
         pVM->hm.s.svm.u64MsrHwcr  = g_HmR0.hwvirt.Msrs.u.svm.u64MsrHwcr;
+        /* If you need to tweak host MSRs for testing SVM R0 code, do it here. */
     }
     pVM->hm.s.rcInit              = g_HmR0.rcInit;

trunk/src/VBox/VMM/VMMR3/HM.cpp

@@ -1776 +1776 @@
 
     if (pVM->hm.s.vmx.fUseVmcsShadowing)
-        LogRel(("HM: Enabled VMCS shadowing support\n"));
+    {
+        bool const fFullVmcsShadow = RT_BOOL(pVM->hm.s.vmx.Msrs.u64Misc & VMX_MISC_VMWRITE_ALL);
+        LogRel(("HM: Enabled %s VMCS shadowing\n", fFullVmcsShadow ? "full" : "partial"));
+    }
 
     return VINF_SUCCESS;