linux: prevent non-Xen modules from loading in Xen kernel

Signed-off-by: Jan Beulich <jbeulich@novell.com>

diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
index 46919f9f5eb35b9d023e9c5a7818bc528b5fa2e5..302a305c4f919918b86f7d88cd4069368af0785c 100644 (file)
--- a/include/linux/vermagic.h
+++ b/include/linux/vermagic.h
@@ -17,6 +17,11 @@
 #else
 #define MODULE_VERMAGIC_MODULE_UNLOAD ""
 #endif
+#ifdef CONFIG_XEN
+#define MODULE_VERMAGIC_XEN "Xen "
+#else
+#define MODULE_VERMAGIC_XEN
+#endif
 #ifndef MODULE_ARCH_VERMAGIC
 #define MODULE_ARCH_VERMAGIC ""
 #endif
@@ -24,5 +29,6 @@
 #define VERMAGIC_STRING                                                \
        UTS_RELEASE " "                                                 \
        MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT                     \
-       MODULE_VERMAGIC_MODULE_UNLOAD MODULE_ARCH_VERMAGIC              \
+       MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_XEN               \
+       MODULE_ARCH_VERMAGIC                                            \
        "gcc-" __stringify(__GNUC__) "." __stringify(__GNUC_MINOR__)