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kallsyms: only build {,module_}kallsyms_on_each_symbol when required

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kallsyms_on_each_symbol and module_kallsyms_on_each_symbol are only used
by the livepatching code, so don't build them if livepatching is not
enabled.

Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
This commit is contained in:
Christoph Hellwig
2021-02-02 13:13:27 +01:00
committed by Jessica Yu
parent 013c1667cf
commit 3e3552056a
4 changed files with 12 additions and 25 deletions
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2
kernel/module.c
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@@ -4488,6 +4488,7 @@ unsigned long module_kallsyms_lookup_name(const char *name)
return ret;
}
#ifdef CONFIG_LIVEPATCH
int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
struct module *, unsigned long),
void *data)
@@ -4518,6 +4519,7 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
mutex_unlock(&module_mutex);
return ret;
}
#endif /* CONFIG_LIVEPATCH */
#endif /* CONFIG_KALLSYMS */
/* Maximum number of characters written by module_flags() */