Changeset 37519 in vbox for trunk/src/VBox/Devices

Timestamp:

Jun 16, 2011 7:30:57 PM (14 years ago)

Author:

vboxsync

Message:

DevACPI: Drop the last seen time workaround as the problem should be addressed in TM now.

File:

• trunk/src/VBox/Devices/PC/DevACPI.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/PC/DevACPI.cpp

@@ -221 +221 @@
     uint16_t            cCpus;
     uint64_t            u64PmTimerInitial;
-    uint64_t            u64PmTimerLastSeen;
     PTMTIMERR3          pPmTimerR3;
     PTMTIMERR0          pPmTimerR0;
@@ -1591 +1590 @@
         uint64_t const u64PmTimerInitial = pThis->u64PmTimerInitial;
         uint64_t u64Now = TMTimerGet(pThis->CTX_SUFF(pPmTimer));
-
-        /*
-         * Make 100% sure time doesn't go backwards.
-         */
-        uint64_t u64Seen;
-        do
-        {
-            u64Seen = ASMAtomicReadU64(&pThis->u64PmTimerLastSeen);
-            if (u64Now < u64Seen)
-            {
-#ifdef DEBUG
-                DBGFTRACE_PDM_U64_TAG(pDevIns, u64Now, "acpi bad");
-# if 0
-                RTTraceBufDisable(DBGFTRACE_PDM_TRACEBUF(pDevIns));
-                AssertFailed();
-# endif
-#endif
-                u64Now = u64Seen + 1;
-            }
-        } while (!ASMAtomicCmpXchgU64(&pThis->u64PmTimerLastSeen, u64Now, u64Seen));
-
         TMTimerUnlock(pThis->CTX_SUFF(pPmTimer));