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| author | Arnd Bergmann <arnd@arndb.de> | 2017-07-10 10:44:03 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2017-07-11 19:29:04 -0400 |
| commit | 69449bbd65687e8e5fb968a5a0c46089f6af6001 (patch) | |
| tree | 6ea92add031fd9d72e7b13bb5cfcc03a0ecdd716 /kernel | |
| parent | bbd1d27d863d5c0acee65ecd0c2e34035e1df5ea (diff) | |
| download | lwn-69449bbd65687e8e5fb968a5a0c46089f6af6001.tar.gz lwn-69449bbd65687e8e5fb968a5a0c46089f6af6001.zip | |
ftrace: Hide cached module code for !CONFIG_MODULES
When modules are disabled, we get a harmless build warning:
kernel/trace/ftrace.c:4051:13: error: 'process_cached_mods' defined but not used [-Werror=unused-function]
This adds the same #ifdef around the new code that exists around
its caller.
Link: http://lkml.kernel.org/r/20170710084413.1820568-1-arnd@arndb.de
Fixes: d7fbf8df7ca0 ("ftrace: Implement cached modules tracing on module load")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/ftrace.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 2953d558bbee..4706f0ed193e 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3978,6 +3978,7 @@ static int ftrace_set_regex(struct ftrace_ops *ops, unsigned char *buf, int len, int reset, int enable); +#ifdef CONFIG_MODULES static void process_mod_list(struct list_head *head, struct ftrace_ops *ops, char *mod, bool enable) { @@ -4068,6 +4069,7 @@ static void process_cached_mods(const char *mod_name) kfree(mod); } +#endif /* * We register the module command as a template to show others how |