Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] tracing: hide unused functions | Date | Fri, 13 Oct 2017 14:01:13 +0200 |
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After trace_selftest_startup_sched_switch is removed, trace_test_buffer() is now only used inside of CONFIG_FUNCTION_TRACER, leading to this warning:
kernel/trace/trace_selftest.c:62:12: error: 'trace_test_buffer' defined but not used [-Werror=unused-function]
The same is true for a few other functions called by trace_test_buffer(), so let's extend the #ifdef to cover all of them together.
Fixes: d8c4deee6dc6 ("tracing: Remove obsolete sched_switch tracer selftest") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- kernel/trace/trace_selftest.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index 364f78abdf47..bcdffeca9bd8 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -6,6 +6,8 @@ #include <linux/delay.h> #include <linux/slab.h> +#ifdef CONFIG_FUNCTION_TRACER + static inline int trace_valid_entry(struct trace_entry *entry) { switch (entry->type) { @@ -98,7 +100,6 @@ static inline void warn_failed_init_tracer(struct tracer *trace, int init_ret) printk(KERN_WARNING "Failed to init %s tracer, init returned %d\n", trace->name, init_ret); } -#ifdef CONFIG_FUNCTION_TRACER #ifdef CONFIG_DYNAMIC_FTRACE -- 2.9.0
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