Changeset 1508 in vbox for trunk

Timestamp:

Mar 15, 2007 12:00:18 PM (18 years ago)

Author:

vboxsync

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

19582

Message:

Monitor the entire guest TSS. (including the IO bitmap, although we don't care about that one)

File:

• trunk/src/VBox/VMM/SELM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/SELM.cpp

@@ -1430 +1430 @@
                                   || pDesc->Gen.u4Type == X86_SEL_TYPE_SYS_386_TSS_BUSY;
 
-        /* Don't bother with anything but the core structure. (Actually all we care for is the r0 ss.) */
-        if (cbTss > sizeof(VBOXTSS))
-            cbTss = sizeof(VBOXTSS);
-        AssertMsg((GCPtrTss >> PAGE_SHIFT) == ((GCPtrTss + cbTss - 1) >> PAGE_SHIFT),
+        /* The guest's TSS can span multiple pages now. We will monitor the whole thing. */
+        AssertMsg((GCPtrTss >> PAGE_SHIFT) == ((GCPtrTss + sizeof(VBOXTSS) - 1) >> PAGE_SHIFT),
                   ("GCPtrTss=%VGv cbTss=%#x - We assume everything is inside one page!\n", GCPtrTss, cbTss));