s390/ftrace: fix compile for !MODULES
Fix this compile error if CONFIG_MODULES is disabled:
arch/s390/built-in.o: In function `ftrace_plt_init':
arch/s390/kernel/ftrace.o:(.init.text+0x34cc): undefined reference to `module_alloc'
Reported-by: Rob Landley <rob@landley.net>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 60a8a4e..68f2b8a 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -172,6 +172,8 @@ int __init ftrace_dyn_arch_init(void)
return 0;
}
+#ifdef CONFIG_MODULES
+
static int __init ftrace_plt_init(void)
{
unsigned int *ip;
@@ -190,6 +192,8 @@ static int __init ftrace_plt_init(void)
}
device_initcall(ftrace_plt_init);
+#endif /* CONFIG_MODULES */
+
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
/*
* Hook the return address and push it in the stack of return addresses