ia64/xen: reserve "break" numbers used for xen hypercalls.
authorIsaku Yamahata <yamahata@valinux.co.jp>
Fri, 17 Oct 2008 02:17:45 +0000 (11:17 +0900)
committerTony Luck <tony.luck@intel.com>
Fri, 17 Oct 2008 16:52:52 +0000 (09:52 -0700)
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>
arch/ia64/include/asm/break.h

index f034020398962d34987431971c4f9c33006597aa..e90c40ec9edf282903cbd3099faac3131ea6de25 100644 (file)
  */
 #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 */