Changeset 64310 in vbox for trunk/src/VBox/VMM/VMMAll/GIMAllKvm.cpp

Timestamp:

Oct 18, 2016 10:23:35 AM (9 years ago)

Author:

vboxsync

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

111366

Message:

VMM/GIM/KVM: Don't GP fault on invalid time-struct MSR write

File:

• trunk/src/VBox/VMM/VMMAll/GIMAllKvm.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/GIMAllKvm.cpp

@@ -275 +275 @@
 
             /* Is the system-time struct. already enabled? If so, get flags that need preserving. */
-            /*uint8_t fFlags = 0; - unused */
             GIMKVMSYSTEMTIME SystemTime;
             RT_ZERO(SystemTime);
@@ -294 +293 @@
             {
                 pKvmCpu->u64SystemTimeMsr = 0;
-                return VERR_CPUM_RAISE_GP_0;
+                /* We shouldn't throw a #GP(0) here for buggy guests (neither does KVM apparently), see @bugref{8627}. */
             }
             return VINF_SUCCESS;