On Mon, May 01, 2017 at 04:47:23PM -0500, Rob Landley wrote:
> arch/s390/built-in.o: In function `ftrace_plt_init':
> arch/s390/kernel/ftrace.o:(.init.text+0x34cc): undefined reference to
> `module_alloc'
>
> Need a .config or is that enough?
The patch below will fix that. Thanks for reporting!
>From 3bc1821250c2eb93b71136b11941ca025e02c968 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Date: Tue, 2 May 2017 12:38:57 +0200
Subject: [PATCH] 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@xxxxxxxxxxx>
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
---
arch/s390/kernel/ftrace.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 60a8a4e207ed..68f2b8a15eab 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
--
2.10.2
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