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authorIsaku Yamahata <yamahata@valinux.co.jp>2008-10-17 11:17:45 +0900
committerTony Luck <tony.luck@intel.com>2008-10-17 09:52:52 -0700
commitda0ac27213d6f8f7d6ca918031572eaf7f14dca3 (patch)
treec604513f5d2b00ca5afb0716176b27a2e82ce899 /arch
parent1b4a18fcfadcc51987682fc266bb88ed59d12935 (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/include/asm/break.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/break.h b/arch/ia64/include/asm/break.h
index f0340203989..e90c40ec9ed 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 */