Changeset 81304 in vbox

Timestamp:

Oct 17, 2019 10:19:19 AM (6 years ago)

Author:

vboxsync

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

134009

Message:

SUPDrv: Added reporting of VT-x's VMCS shadowing CPU feature as part of SUPR0QueryVTCaps.

Location:

trunk

Files:

• include/VBox/sup.h (modified) (1 diff)
• src/VBox/HostDrivers/Support/SUPDrv.cpp (modified) (1 diff)

trunk/include/VBox/sup.h

@@ -884 +884 @@
 /** VT-x: Unrestricted guest execution is supported. */
 #define SUPVTCAPS_VTX_UNRESTRICTED_GUEST    RT_BIT(3)
+/** VT-x: VMCS shadowing is supported. */
+#define SUPVTCAPS_VTX_VMCS_SHADOWING        RT_BIT(4)
 /** @} */
 

trunk/src/VBox/HostDrivers/Support/SUPDrv.cpp

@@ -4400 +4400 @@
                     if (vtCaps.n.allowed1 & VMX_PROC_CTLS2_UNRESTRICTED_GUEST)
                         *pfCaps |= SUPVTCAPS_VTX_UNRESTRICTED_GUEST;
+                    if (vtCaps.n.allowed1 & VMX_PROC_CTLS2_VMCS_SHADOWING)
+                        *pfCaps |= SUPVTCAPS_VTX_VMCS_SHADOWING;
                 }
             }