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[Xen-changelog] [xen-unstable] [XEN][POWERPC] Fix debug=y build.

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Subject:	[Xen-changelog] [xen-unstable] [XEN][POWERPC] Fix debug=y build.
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Date:	Fri, 13 Apr 2007 10:50:22 -0700
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# HG changeset patch
# User Hollis Blanchard <hollisb@xxxxxxxxxx>
# Date 1176401104 18000
# Node ID 879625f363eebb9a5218282fe20af83ba0ac9e17
# Parent  2c18e90a9c00337a4f1734005cb9ee89dbbf1733
[XEN][POWERPC] Fix debug=y build.
When debug=y, we use -O0 for single-stepping. This breaks the force-link-error
trick used in __xchg(), so we provide a real function to link with.
Signed-off-by: Hollis Blanchard <hollisb@xxxxxxxxxx>
---
 xen/arch/powerpc/0opt.c |    6 ++++++
 1 files changed, 6 insertions(+)

diff -r 2c18e90a9c00 -r 879625f363ee xen/arch/powerpc/0opt.c
--- a/xen/arch/powerpc/0opt.c   Thu Apr 12 10:42:43 2007 -0500
+++ b/xen/arch/powerpc/0opt.c   Thu Apr 12 13:05:04 2007 -0500
@@ -21,6 +21,12 @@
 #include <xen/config.h>
 #include <xen/lib.h>
 
+extern void __xchg_called_with_bad_pointer(void);
+void __xchg_called_with_bad_pointer(void)
+{
+    BUG();
+}
+
 extern void __cmpxchg_called_with_bad_pointer(void);
 void __cmpxchg_called_with_bad_pointer(void)
 {

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