s390/ftrace: fix compile for !MODULES
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Tue, 2 May 2017 10:38:57 +0000 (12:38 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 3 May 2017 07:08:57 +0000 (09:08 +0200)
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>
arch/s390/kernel/ftrace.c

index 60a8a4e..68f2b8a 100644 (file)
@@ -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