Changeset 54153 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

Feb 11, 2015 5:24:15 PM (10 years ago)

Author:

vboxsync

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

98186

Message:

VMM/HM: Fix VMX-preemption timer override from CFGM, renamed CFGM key to be more accurate.
Added release logging of use of periodic-preemption timers on AMD-V hosts.

File:

• trunk/src/VBox/VMM/VMMR0/HMR0.cpp (modified) (2 diffs)

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

@@ -1235 +1235 @@
  * @returns VBox status code.
  * @param   pVM         Pointer to the VM.
+ *
+ * @remarks This is called after HMR3Init(), see vmR3CreateU() and
+ *          vmR3InitRing3().
  */
 VMMR0_INT_DECL(int) HMR0InitVM(PVM pVM)
@@ -1254 +1257 @@
     pVM->hm.s.svm.fSupported            = g_HvmR0.svm.fSupported;
 
-    pVM->hm.s.vmx.fUsePreemptTimer      = g_HvmR0.vmx.fUsePreemptTimer;
+    pVM->hm.s.vmx.fUsePreemptTimer     &= g_HvmR0.vmx.fUsePreemptTimer;     /* Can be overridden by CFGM. See HMR3Init(). */
     pVM->hm.s.vmx.cPreemptTimerShift    = g_HvmR0.vmx.cPreemptTimerShift;
     pVM->hm.s.vmx.u64HostCr4            = g_HvmR0.vmx.u64HostCr4;