Changeset 83372 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

Mar 23, 2020 2:52:24 PM (5 years ago)

Author:

vboxsync

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

136577

Message:

GIM/KVM: Update system-time struct on demand. Fixes guests that rely on the struct being frequently updated, e.g. SLES 10 SP4 (see bugref:7270).

File:

• trunk/src/VBox/VMM/VMMR0/GIMR0Kvm.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/GIMR0Kvm.cpp

@@ -56 +56 @@
     uint64_t uVirtNanoTS;
     RTCCUINTREG fEFlags = ASMIntDisableFlags();
-    uTsc        = TMCpuTickGetNoCheck(pVCpu) | UINT64_C(1);
-    uVirtNanoTS = TMVirtualGetNoCheck(pVM)   | UINT64_C(1);
+    uTsc        = TMCpuTickGetNoCheck(pVCpu);
+    uVirtNanoTS = TMVirtualGetNoCheck(pVM);
     ASMSetFlags(fEFlags);
 
@@ -68 +68 @@
     {
         PGIMKVMCPU pKvmCpu = &VMCC_GET_CPU(pVM, idCpu)->gim.s.u.KvmCpu;
-        if (   !pKvmCpu->uTsc
-            && !pKvmCpu->uVirtNanoTS)
-        {
-            pKvmCpu->uTsc        = uTsc;
-            pKvmCpu->uVirtNanoTS = uVirtNanoTS;
-        }
+        pKvmCpu->uTsc        = uTsc;
+        pKvmCpu->uVirtNanoTS = uVirtNanoTS;
     }
     RTSpinlockRelease(pKvm->hSpinlockR0);