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kallsyms: Make module_kallsyms_on_each_symbol generally available 

commit 73feb8d5fa upstream.

Making module_kallsyms_on_each_symbol generally available, so it
can be used outside CONFIG_LIVEPATCH option in following changes.

Rather than adding another ifdef option let's make the function
generally available (when CONFIG_KALLSYMS and CONFIG_MODULES
options are defined).

Cc: Christoph Hellwig <hch@lst.de>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20221025134148.3300700-2-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Olsa 2022-12-16 13:56:21 +01:00 committed by Greg Kroah-Hartman
parent cb7323ece7
commit 23b4a344a4
2 changed files with 9 additions and 2 deletions
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9
include/linux/module.h
View File

@ -879,8 +879,17 @@ static inline bool module_sig_ok(struct module *module)
}
#endif /* CONFIG_MODULE_SIG */
#if defined(CONFIG_MODULES) && defined(CONFIG_KALLSYMS)
int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
struct module *, unsigned long),
void *data);
#else
static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
struct module *, unsigned long),
void *data)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_MODULES && CONFIG_KALLSYMS */
#endif /* _LINUX_MODULE_H */

2
kernel/module/kallsyms.c
View File

@ -494,7 +494,6 @@ 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)
@ -531,4 +530,3 @@ out:
mutex_unlock(&module_mutex);
return ret;
}
#endif /* CONFIG_LIVEPATCH */