(2013/12/09 15:19), Namhyung Kim wrote:
> diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h
> index 23b2d83ee5fb..d327a1c21f4b 100644
> --- a/kernel/trace/trace_probe.h
> +++ b/kernel/trace/trace_probe.h
> @@ -239,6 +239,30 @@ ASSIGN_FETCH_FUNC(bitfield, ftype),
> \
> extern __weak const struct fetch_type kprobes_fetch_type_table[];
> extern __weak const struct fetch_type uprobes_fetch_type_table[];
>
> +#ifdef CONFIG_KPROBE_EVENT
> +struct symbol_cache;
> +unsigned long update_symbol_cache(struct symbol_cache *sc);
> +void free_symbol_cache(struct symbol_cache *sc);
> +struct symbol_cache *alloc_symbol_cache(const char *sym, long offset);
> +#else
> +struct symbol_cache {
> +};
> +static unsigned long __used update_symbol_cache(struct symbol_cache *sc)
> +{
> + return 0;
> +}
> +
> +static void __used free_symbol_cache(struct symbol_cache *sc)
> +{
> +}
> +
> +static struct symbol_cache * __used
> +alloc_symbol_cache(const char *sym, long offset)
> +{
> + return NULL;
> +}
> +#endif /* CONFIG_KPROBE_EVENT */
Hmm, defining non-inline function in the header looks odd.
Maybe you'd better do this (or define __weak instances)
in trace_probe.c.
Thank you,
--
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu...@hitachi.com
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