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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>
This commit is contained in:
Heiko Carstens 2017-05-02 12:38:57 +02:00 committed by Martin Schwidefsky
parent 07a63cbe8b
commit 085b6ba0f7
1 changed files with 4 additions and 0 deletions
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4
arch/s390/kernel/ftrace.c
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@ -172,6 +172,8 @@ int __init ftrace_dyn_arch_init(void)
return 0; return 0;
} }
#ifdef CONFIG_MODULES
static int __init ftrace_plt_init(void) static int __init ftrace_plt_init(void)
{ {
unsigned int *ip; unsigned int *ip;
@ -190,6 +192,8 @@ static int __init ftrace_plt_init(void)
} }
device_initcall(ftrace_plt_init); device_initcall(ftrace_plt_init);
#endif /* CONFIG_MODULES */
#ifdef CONFIG_FUNCTION_GRAPH_TRACER #ifdef CONFIG_FUNCTION_GRAPH_TRACER
/* /*
* Hook the return address and push it in the stack of return addresses * Hook the return address and push it in the stack of return addresses