Changeset 56837 in vbox for trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

Timestamp:

Jul 7, 2015 11:46:09 AM (9 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0, HMSVMR0: Disable currently dead code path.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -5698 +5698 @@
     if (fParavirtTsc)
     {
+        /* Currently neither Hyper-V nor KVM need to update their paravirt. TSC
+           information before every VM-entry, hence disable it for performance sake. */
+#if 0
         rc = GIMR0UpdateParavirtTsc(pVM, 0 /* u64Offset */);
         AssertRC(rc);
+#endif
         STAM_COUNTER_INC(&pVCpu->hm.s.StatTscParavirt);
     }