Re: [PATCH 6/9] nds32: Fix the symbols undefined issue by exporting them.

[Christoph Hellwig]

> +++ b/arch/nds32/kernel/stacktrace.c
> @@ -9,6 +9,7 @@ void save_stack_trace(struct stack_trace *trace)
>  {
>  	save_stack_trace_tsk(current, trace);
>  }
> +EXPORT_SYMBOL(save_stack_trace);

All other architectures use EXPORT_SYMBOL_GPL here.