ia64/xen: reserve "break" numbers used for xen hypercalls.

reserve "break" numbers used for xen hypercalls to avoid
reuse for something else.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>

diff --git a/arch/ia64/include/asm/break.h b/arch/ia64/include/asm/break.h
index f034020..e90c40e 100644 (file)
--- a/arch/ia64/include/asm/break.h
+++ b/arch/ia64/include/asm/break.h
@@ -20,4 +20,13 @@
  */
 #define __IA64_BREAK_SYSCALL           0x100000
 
+/*
+ * Xen specific break numbers:
+ */
+#define __IA64_XEN_HYPERCALL           0x1000
+/* [__IA64_XEN_HYPERPRIVOP_START, __IA64_XEN_HYPERPRIVOP_MAX] is used
+   for xen hyperprivops */
+#define __IA64_XEN_HYPERPRIVOP_START   0x1
+#define __IA64_XEN_HYPERPRIVOP_MAX     0x1a
+
 #endif /* _ASM_IA64_BREAK_H */