[dpdk-dev] [PATCH] mempool: fix check flags

Hiroyuki Mikita h.mikita89 at gmail.com
Thu Sep 8 17:29:59 CEST 2016


Sorry,
I did not notice the same kind of patch.
I close this patch.

Hiroyuki

2016-09-08 23:46 GMT+09:00 Olivier Matz <olivier.matz at 6wind.com>:
> Hi Hiroki, Ferruh,
>
> On 09/08/2016 04:44 PM, Ferruh Yigit wrote:
>> On 9/8/2016 3:28 PM, Hiroyuki Mikita wrote:
>>> fix check flags in case of single producer and single consumer
>>>
>>> Fixes: 449c49b9 ("mempool: support handler operations")
>>>
>>> Signed-off-by: Hiroyuki Mikita <h.mikita89 at gmail.com>
>>> ---
>>>  lib/librte_mempool/rte_mempool.c | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
>>> index 2e28e2e..61bd63c 100644
>>> --- a/lib/librte_mempool/rte_mempool.c
>>> +++ b/lib/librte_mempool/rte_mempool.c
>>> @@ -879,7 +879,7 @@ rte_mempool_create(const char *name, unsigned n, unsigned elt_size,
>>>       * Since we have 4 combinations of the SP/SC/MP/MC examine the flags to
>>>       * set the correct index into the table of ops structs.
>>>       */
>>> -    if (flags & (MEMPOOL_F_SP_PUT | MEMPOOL_F_SC_GET))
>>> +    if ((flags & MEMPOOL_F_SP_PUT) & (flags & MEMPOOL_F_SC_GET))
>>
>> Isn't this always false?
>>
>> What about:
>> if ((flags & MEMPOOL_F_SP_PUT) && (flags & MEMPOOL_F_SC_GET))
>>
>>>              rte_mempool_set_ops_byname(mp, "ring_sp_sc", NULL);
>>>      else if (flags & MEMPOOL_F_SP_PUT)
>>>              rte_mempool_set_ops_byname(mp, "ring_sp_mc", NULL);
>>>
>>
>
> Looks the same kind of patch was posted few hours before:
> http://dpdk.org/dev/patchwork/patch/15686/
>
> Regards,
> Olivier


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