[dpdk-dev] [PATCH v2] enic: silence log message unless debug enabled

[Thomas Monjalon]

2015-07-30 10:03, Stephen Hemminger:
> --- a/drivers/net/enic/enic_compat.h
> +++ b/drivers/net/enic/enic_compat.h
> @@ -82,7 +82,11 @@
>  #define dev_err(x, args...) dev_printk(ERR, args)
>  #define dev_info(x, args...) dev_printk(INFO,  args)
>  #define dev_warning(x, args...) dev_printk(WARNING, args)
> +#ifdef RTE_LIBRTE_ENIC_DEBUG
>  #define dev_debug(x, args...) dev_printk(DEBUG, args)
> +#else
> +#define dev_debug(x, args...) do { } while(0)
> +#endif

I don't understand why it is needed:
dev_debug won't print anything if the log level is higher than DEBUG.