Changeset 54258 in vbox

Timestamp:

Feb 17, 2015 11:35:04 PM (10 years ago)

Author:

vboxsync

Message:

SUPReadTsc: semi-predict we can call ASMReadTSC and doesn't need deltas.

File:

• trunk/include/VBox/sup.h (modified) (1 diff)

trunk/include/VBox/sup.h

@@ -1610 +1610 @@
 DECLINLINE(uint64_t) SUPReadTsc(void)
 {
-    if (g_pSUPGlobalInfoPage->enmUseTscDelta > SUPGIPUSETSCDELTA_ROUGHLY_ZERO)
-        return SUPReadTscWithDelta();
-    return ASMReadTSC();
+    if (g_pSUPGlobalInfoPage->enmUseTscDelta <= SUPGIPUSETSCDELTA_ROUGHLY_ZERO)
+        return ASMReadTSC();
+    return SUPReadTscWithDelta();
 }