On Thu, 27 Feb 2014 17:38:01 +0530 Rashika Kheria <rashika.khe...@gmail.com> wrote:
> Add prototye declaration of function to header file > include/linux/ftrace.h > because it is used by more than one file. > > This eliminates the following warning in > kernel/trace/trace_functions_graph.c: > kernel/trace/trace_functions_graph.c:218:15: warning: no previous prototype > for ‘ftrace_return_to_handler’ [-Wmissing-prototypes] > > Signed-off-by: Rashika Kheria <rashika.khe...@gmail.com> > Reviewed-by: Josh Triplett <j...@joshtriplett.org> > --- > include/linux/ftrace.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h > index da1c31f..c4d1048 100644 > --- a/include/linux/ftrace.h > +++ b/include/linux/ftrace.h > @@ -673,6 +673,7 @@ typedef void (*trace_func_graph_ret_t)(struct > ftrace_graph_ret *); /* return */ > typedef int (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */ > > int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace); > +unsigned long ftrace_return_to_handler(unsigned long frame_pointer); Like ftrace_graph_entry_stub() this too is only called from assembly. Just make the comment I asked to add apply to both of them. -- Steve > > #ifdef CONFIG_FUNCTION_GRAPH_TRACER > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/