[dpdk-dev] [PATCH v4] eal: redefine logtype values

[Olivier MATZ]

Hi Pablo,

On Wed, 19 Apr 2017 12:24:04 +0100, Pablo de Lara <pablo.de.lara.guarch at intel.com> wrote:
> After the changes in commit c1b5fa94a46f
> ("eal: support dynamic log types"), logtype is not treated as a
> bitmask, but a decimal value. Therefore, values have to be
> converted.
> 
> Fixes: c1b5fa94a46f ("eal: support dynamic log types")
> 
> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
> ---
> 
> Changes in v4:
> - Moved log type strings to eal_common_log.c
> 
> Changes in v3:
> - Created array of structures containing logtype id and string
> - Added left shift to convert new decimal values to bitmask for backward compatibility
> 
> Changes in v2:
> - Used new RTE_LOGTYPE values in rte_log_init()
> 
>  lib/librte_eal/common/eal_common_log.c  | 73 ++++++++++++++++++++-------------
>  lib/librte_eal/common/include/rte_log.h | 58 +++++++++++++-------------
>  2 files changed, 73 insertions(+), 58 deletions(-)
> 
> diff --git a/lib/librte_eal/common/eal_common_log.c b/lib/librte_eal/common/eal_common_log.c
> index dd4d30c..fd76612 100644
> --- a/lib/librte_eal/common/eal_common_log.c
> +++ b/lib/librte_eal/common/eal_common_log.c
> @@ -118,9 +118,9 @@ rte_set_log_type(uint32_t type, int enable)
>  {
>  	if (type < RTE_LOGTYPE_FIRST_EXT_ID) {
>  		if (enable)
> -			rte_logs.type |= type;
> +			rte_logs.type |= 1 << type;
>  		else
> -			rte_logs.type &= ~type;
> +			rte_logs.type &= ~(1 << type);
>  	}
>  
>  	if (enable)
> @@ -240,42 +240,57 @@ rte_log_register(const char *name)
>  	return ret;
>  }
>  
> +struct logtype {
> +	uint32_t log_id;
> +	char logtype[32];
> +};

Sorry I missed it in the previous review, but what do you think of
using "const char *" instead of "char[32]"?