[PATCH v5 1/3] ring: fix unmatched type definition and usage

Ruifeng Wang Ruifeng.Wang at arm.com
Tue May 9 08:23:43 CEST 2023


> -----Original Message-----
> From: Jie Hai <haijie1 at huawei.com>
> Sent: Tuesday, May 9, 2023 9:29 AM
> To: Honnappa Nagarahalli <Honnappa.Nagarahalli at arm.com>; Konstantin Ananyev
> <konstantin.v.ananyev at yandex.ru>; Ruifeng Wang <Ruifeng.Wang at arm.com>; Gavin Hu
> <Gavin.Hu at arm.com>; Olivier Matz <olivier.matz at 6wind.com>; Dharmik Jayesh Thakkar
> <DharmikJayesh.Thakkar at arm.com>
> Cc: dev at dpdk.org; liudongdong3 at huawei.com
> Subject: [PATCH v5 1/3] ring: fix unmatched type definition and usage
> 
> Field 'flags' of struct rte_ring is defined as int type. However, it is used as unsigned
> int. To ensure consistency, change the type of flags to unsigned int. Since these two
> types has the same byte size, this change is not an ABI change.
> 
> Fixes: cc4b218790f6 ("ring: support configurable element size")

The change looks good.
However, I think the fix line is not accurate. 
I suppose it fixes af75078fece3 ("first public release").

> 
> Signed-off-by: Jie Hai <haijie1 at huawei.com>
> Acked-by: Konstantin Ananyev <konstantin.v.ananyev at yandex.ru>
> Acked-by: Chengwen Feng <fengchengwen at huawei.com>
> ---
>  lib/ring/rte_ring_core.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/ring/rte_ring_core.h b/lib/ring/rte_ring_core.h index
> 82b237091b71..1c809abeb531 100644
> --- a/lib/ring/rte_ring_core.h
> +++ b/lib/ring/rte_ring_core.h
> @@ -120,7 +120,7 @@ struct rte_ring_hts_headtail {  struct rte_ring {
>  	char name[RTE_RING_NAMESIZE] __rte_cache_aligned;
>  	/**< Name of the ring. */
> -	int flags;               /**< Flags supplied at creation. */
> +	uint32_t flags;               /**< Flags supplied at creation. */
>  	const struct rte_memzone *memzone;
>  			/**< Memzone, if any, containing the rte_ring */
>  	uint32_t size;           /**< Size of ring. */
> --
> 2.33.0



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