[Xen-ia64-devel] [PATCH 05/33] ia64/xen: reserve "break" numbers used for xen hypercalls.

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

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

Cc: "Luck, Tony" <tony.luck@xxxxxxxxx>
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
 arch/ia64/include/asm/break.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/arch/ia64/include/asm/break.h b/arch/ia64/include/asm/break.h
index f034020..e90c40e 100644
--- 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 */
-- 
1.6.0.2


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