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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	Ferruh Yigit <ferruh.yigit@intel.com>,
	Vamsi Krishna Attunuru <vattunuru@marvell.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: "olivier.matz@6wind.com" <olivier.matz@6wind.com>,
	"arybchenko@solarflare.com" <arybchenko@solarflare.com>
Subject: Re: [dpdk-dev] [EXT] Re: [PATCH v6 0/4] add IOVA = VA support in KNI
Date: Mon, 15 Jul 2019 10:38:53 +0100
Message-ID: <cd71ae7f-4a60-db98-fcec-5985f9dcccc8@intel.com> (raw)
In-Reply-To: <BYAPR18MB2424ECD51E61ABF231130079C8CF0@BYAPR18MB2424.namprd18.prod.outlook.com>

On 15-Jul-19 5:54 AM, Jerin Jacob Kollanukkaran wrote:
>>>>>>> (also, i don't really like the name NO_PAGE_BOUND since in
>>>>>>> memzone API there's a "bounded memzone" allocation API, and this
>>>>>>> flag's name reads like objects would not be bounded by page size,
>>>>>>> not that they won't cross page
>>>>>>> boundary)
>>>>>>
>>>>>> No strong opinion for the name. What name you suggest?
>>>>>
>>>>> How about something like MEMPOOL_F_NO_PAGE_SPLIT?
>>>>
>>>> Looks good to me.
>>>>
>>>> In summary, Change wrt existing patch"
>>>> - Change NO_PAGE_BOUND to MEMPOOL_F_NO_PAGE_SPLIT
>>>> - Set this flag in  rte_pktmbuf_pool_create () when
>>> rte_eal_has_hugepages() ||
>>>>    rte_malloc_heap_socket_is_external(socket_id))
>>>
>>> If we are to have a special KNI allocation API, would we even need that?
>>
>> Not need this change in rte_pktmbuf_pool_create () if we introduce a new
>> rte_kni_pktmbuf_pool_create () API.
> 
> Ferruh, Olivier, Anatoly,
> 
> Any objection to create new rte_kni_pktmbuf_pool_create () API
> to embedded MEMPOOL_F_NO_PAGE_SPLIT flag requirement for KNI + IOVA as VA
> 
> 

As long as we all are aware of what that means and agree with that 
consequence (namely, separate codepaths for KNI and other PMD's) then i 
have no specific objections.

-- 
Thanks,
Anatoly

  reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-12 11:37 [dpdk-dev] " Jerin Jacob Kollanukkaran
2019-07-12 12:09 ` Burakov, Anatoly
2019-07-12 12:28   ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-07-15  4:54     ` Jerin Jacob Kollanukkaran
2019-07-15  9:38       ` Burakov, Anatoly [this message]
2019-07-16  8:46         ` Olivier Matz
2019-07-16  9:40           ` Vamsi Krishna Attunuru
2019-07-16  9:55             ` Olivier Matz
2019-07-16 10:07               ` Vamsi Krishna Attunuru

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