Changeset 92709 in vbox for trunk/include/VBox

Timestamp:

Dec 2, 2021 1:56:44 PM (3 years ago)

Author:

vboxsync

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

148608

Message:

VMM/TM,SUP: Made it thru TM init in driverless mode... bugref:10138

File:

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

trunk/include/VBox/sup.h

@@ -794 +794 @@
  *
  * @returns The TSC delta value (will not return the special INT64_MAX value).
- * @remarks Requires GIP to be initialized and valid.
- */
-DECLINLINE(int64_t) SUPGetTscDelta(void)
-{
-    PSUPGLOBALINFOPAGE pGip = g_pSUPGlobalInfoPage;
+ * @param   pGip    The GIP, NULL is okay in ring-3.
+ * @remarks Requires GIP to be initialized and valid if pGip isn't NULL.
+ */
+DECLINLINE(int64_t) SUPGetTscDelta(PSUPGLOBALINFOPAGE pGip)
+{
+#ifdef IN_RING3
+    if (!pGip || pGip->enmUseTscDelta <= SUPGIPUSETSCDELTA_ROUGHLY_ZERO)
+#else
     if (pGip->enmUseTscDelta <= SUPGIPUSETSCDELTA_ROUGHLY_ZERO)
+#endif
         return 0;
     return SUPGetTscDeltaSlow(pGip);