[Xen-changelog] [xen-unstable] Better gcc error message if GUEST_PAGING_LEVELS is undefined.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1271090170 -3600
# Node ID b65a41dc6c6a2e2341ae778d8386a08d502bbfa4
# Parent  5d4038d41fd894f9fc71e64043d559d7c465bd15
Better gcc error message if GUEST_PAGING_LEVELS is undefined.

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>
---
 xen/include/asm-x86/guest_pt.h |    4 ++++
 1 files changed, 4 insertions(+)

diff -r 5d4038d41fd8 -r b65a41dc6c6a xen/include/asm-x86/guest_pt.h
--- a/xen/include/asm-x86/guest_pt.h    Mon Apr 12 17:33:47 2010 +0100
+++ b/xen/include/asm-x86/guest_pt.h    Mon Apr 12 17:36:10 2010 +0100
@@ -28,6 +28,10 @@
 
 #ifndef _XEN_ASM_GUEST_PT_H
 #define _XEN_ASM_GUEST_PT_H
+
+#if !defined(GUEST_PAGING_LEVELS)
+#error GUEST_PAGING_LEVELS not defined
+#endif
 
 /* Type of the guest's frame numbers */
 TYPE_SAFE(unsigned long,gfn)

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