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| author | Jiri Olsa <jolsa@kernel.org> | 2022-05-10 14:26:12 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-13 18:36:45 +0100 |
| commit | 318a206633c248d876ea72f7133d2a2e50ad7e35 (patch) | |
| tree | e5050fc2c2142ed3f5f2df28686102be89c738ea | |
| parent | 61b68b608954dfcdc324349053c209c189327d39 (diff) | |
| download | linux-318a206633c248d876ea72f7133d2a2e50ad7e35.tar.gz linux-318a206633c248d876ea72f7133d2a2e50ad7e35.tar.bz2 linux-318a206633c248d876ea72f7133d2a2e50ad7e35.zip | |
kallsyms: Make kallsyms_on_each_symbol generally available
[ Upstream commit d721def7392a7348ffb9f3583b264239cbd3702c ]
Making 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 option is defined).
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220510122616.2652285-2-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | include/linux/kallsyms.h | 7 | ||||
| -rw-r--r-- | kernel/kallsyms.c | 2 |
2 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index a1d6fc82d7f0..eae9f423bd64 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -74,11 +74,11 @@ static inline void *dereference_symbol_descriptor(void *ptr) return ptr; } +#ifdef CONFIG_KALLSYMS int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); -#ifdef CONFIG_KALLSYMS /* Lookup the address for a symbol. Returns 0 if not found. */ unsigned long kallsyms_lookup_name(const char *name); @@ -172,6 +172,11 @@ static inline bool kallsyms_show_value(const struct cred *cred) return false; } +static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, + unsigned long), void *data) +{ + return -EOPNOTSUPP; +} #endif /*CONFIG_KALLSYMS*/ static inline void print_ip_sym(const char *loglvl, unsigned long ip) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 0ba87982d017..e0d9f77cf2d4 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -204,7 +204,6 @@ unsigned long kallsyms_lookup_name(const char *name) return module_kallsyms_lookup_name(name); } -#ifdef CONFIG_LIVEPATCH /* * Iterate over all symbols in vmlinux. For symbols from modules use * module_kallsyms_on_each_symbol instead. @@ -226,7 +225,6 @@ int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, } return 0; } -#endif /* CONFIG_LIVEPATCH */ static unsigned long get_symbol_pos(unsigned long addr, unsigned long *symbolsize, |