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From: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>,
	Vamsi Krishna Attunuru <vattunuru@marvell.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [EXT] Re: [PATCH] mempool/octeontx2: use noinline to preserve ABI
Date: Thu, 18 Jul 2019 14:49:12 +0000	[thread overview]
Message-ID: <CY4PR1801MB18634A12135D617450619B1CDEC80@CY4PR1801MB1863.namprd18.prod.outlook.com> (raw)
In-Reply-To: <20190718074320.0571e83f@hermes.lan>



>-----Original Message-----
>From: Stephen Hemminger <stephen@networkplumber.org>
>Sent: Thursday, July 18, 2019 8:13 PM
>To: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
>Cc: Jerin Jacob Kollanukkaran <jerinj@marvell.com>; Nithin Kumar
>Dabilpuram <ndabilpuram@marvell.com>; Vamsi Krishna Attunuru
><vattunuru@marvell.com>; dev@dpdk.org
>Subject: [EXT] Re: [dpdk-dev] [PATCH] mempool/octeontx2: use
>noinline to preserve ABI
>
>External Email
>
>----------------------------------------------------------------------
>On Thu, 18 Jul 2019 00:10:13 +0530
><pbhagavatula@marvell.com> wrote:
>
>> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>>
>> Since direct register access is used in npa_lf_aura_op_alloc_bulk()
>> use __rte_noinline to preserve ABI.
>>
>> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
>
>Huh? this is an internal function, and the driver is new to DPDK.
>We don't maintain ABI with external drivers or code bases.
>And ABI with code before it was upstream doesn't count either.

I was actually referring to arm64 ABI[1]
I think commit message in v2 describes it better http://patches.dpdk.org/patch/56703/

[1] http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055b/IHI0055B_aapcs64.pdf

Regards,
Pavan.

      reply	other threads:[~2019-07-18 14:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-17 18:40 [dpdk-dev] " pbhagavatula
2019-07-18  5:53 ` Jerin Jacob Kollanukkaran
2019-07-18  6:51 ` [dpdk-dev] [PATCH v2] mempool/octeontx2: fix possible ABI break with force inline pbhagavatula
2019-07-18  8:04   ` Jerin Jacob Kollanukkaran
2019-07-18 22:15     ` Thomas Monjalon
2019-07-18 14:43 ` [dpdk-dev] [PATCH] mempool/octeontx2: use noinline to preserve ABI Stephen Hemminger
2019-07-18 14:49   ` Pavan Nikhilesh Bhagavatula [this message]

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