diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index bb1d5cf30440..ed7c21586e98 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -885,6 +885,10 @@ xpc_init(void)
 	pid_t pid;
 
 
+	if (!ia64_platform_is("sn2")) {
+		return -ENODEV;
+	}
+
 	/*
 	 * xpc_remote_copy_buffer is used as a temporary buffer for bte_copy'ng
 	 * both a partition's reserved page and its XPC variables. Its size was
diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c
index 78c13d676fa6..d0c2c114a459 100644
--- a/arch/ia64/sn/kernel/xpnet.c
+++ b/arch/ia64/sn/kernel/xpnet.c
@@ -636,6 +636,10 @@ xpnet_init(void)
 	int result = -ENOMEM;
 
 
+	if (!ia64_platform_is("sn2")) {
+		return -ENODEV;
+	}
+
 	dev_info(xpnet, "registering network device %s\n", XPNET_DEVICE_NAME);
 
 	/*