Xen devel - Aug 2010 - [PATCH,DOC] Document how 4gb_segment_notify notifys

This documents how 4gb_segment_notify actually notifys the guest of the
required emulations.

diff -r aecf092da748 docs/src/interface.tex
--- a/docs/src/interface.tex	Wed Jun 30 22:12:54 2010 +0100
+++ b/docs/src/interface.tex	Sat Aug 21 23:34:14 2010 +0200
@@ -431,8 +431,8 @@
 \item[VMASST\_TYPE\_4gb\_segments] Provide emulated support for
   instructions that rely on 4GB segments (such as the techniques used
   by some TLS solutions).
-\item[VMASST\_TYPE\_4gb\_segments\_notify] Provide a callback to the
-  guest if the above segment fixups are used: allows the guest to
+\item[VMASST\_TYPE\_4gb\_segments\_notify] Provide a callback (via trap number
+  15) to the guest if the above segment fixups are used: allows the guest to
   display a warning message during boot.
 \item[VMASST\_TYPE\_writable\_pagetables] Enable writable pagetable
   mode - described above.

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