Changeset 65473 in vbox

Timestamp:

Jan 27, 2017 3:23:20 AM (8 years ago)

Author:

vboxsync

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

113099

Message:

VMM/HMVMXR0: Comment, space.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (2 diffs)

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

@@ -12190 +12190 @@
             switch (pMixedCtx->ecx)
             {
+                /*
+                 * For SYSENTER CS, EIP, ESP MSRs, we set both the flags here so we don't accidentally
+                 * overwrite the changed guest-CPU context value while going to ring-3, see @bufref{8745}.
+                 */
                 case MSR_IA32_SYSENTER_CS:
                     HMCPU_CF_SET(pVCpu, HM_CHANGED_GUEST_SYSENTER_CS_MSR);
@@ -12198 +12202 @@
                     HMVMXCPU_GST_SET_UPDATED(pVCpu, HMVMX_UPDATED_GUEST_SYSENTER_EIP_MSR);
                     break;
-                case MSR_IA32_SYSENTER_ESP: 
+                case MSR_IA32_SYSENTER_ESP:
                     HMCPU_CF_SET(pVCpu, HM_CHANGED_GUEST_SYSENTER_ESP_MSR);
                     HMVMXCPU_GST_SET_UPDATED(pVCpu, HMVMX_UPDATED_GUEST_SYSENTER_ESP_MSR);