Changeset 15988 in vbox for trunk/src/VBox/VMM

Timestamp:

Jan 16, 2009 10:50:47 AM (16 years ago)

Author:

vboxsync

Message:

Restore previous EFER state while checking for SVM presence.

File:

• trunk/src/VBox/VMM/VMMR0/HWACCMR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HWACCMR0.cpp

@@ -541 +541 @@
             val = ASMRdMsr(MSR_K6_EFER);
             if (val & MSR_K6_EFER_SVME)
+            {
+                /* Restore previous value. */
+                ASMWrMsr(MSR_K6_EFER, val);
                 paRc[idCpu] = VINF_SUCCESS;
+            }
             else
                 paRc[idCpu] = VERR_SVM_ILLEGAL_EFER_MSR;