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kallsyms: Make module_kallsyms_on_each_symbol generally available

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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
2022-10-25 15:41:41 +02:00
committed by Greg Kroah-Hartman
parent 29cb165771
commit 9dd295341d
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 */ #endif /* CONFIG_MODULE_SIG */
#if defined(CONFIG_MODULES) && defined(CONFIG_KALLSYMS)
int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
struct module *, unsigned long), struct module *, unsigned long),
void *data); 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 */ #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; return ret;
} }
#ifdef CONFIG_LIVEPATCH
int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
struct module *, unsigned long), struct module *, unsigned long),
void *data) void *data)
@@ -531,4 +530,3 @@ out:
mutex_unlock(&module_mutex); mutex_unlock(&module_mutex);
return ret; return ret;
} }
#endif /* CONFIG_LIVEPATCH */