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DIR:OUT; SFP:1101; SCL:1; SRVR:CY4PR1801MB1942; H:CY4PR1801MB1863.namprd18.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: marvell.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 2tZzb9bTF3Ftw9kLXXXUbCSWkoVTSwhgtA92Sqkifw0L/Wt6dFS5NmQqIX1RViBk6+ccspqPs/7oxpg0dD2pLNHaw5g+80yoCQKJABQQEtEvsQRfeQmiRjzOh0WlLw7ZzkpL4ssxXByup9tREjhYv8QIVUYSIFOpPJyZy3pvZONskwUGXCGhO6GU+2zPlSG/hYBaBAJrCGHm5oO1DKGhHJwTD7wHt4NsWsC8zjLDQo/Kl0wE7p6dFbhRRuc7zeJqprGABffigdZRl+oRYNN7YpMd+LXdfM97FdQa7Lst+pMCqYqiNeb/kmTQ6kvopueOOzNWF56D6CrQlI54CzLSX/OTIxE6Pa0t5GSImXNCIANQHOUgv3DY/5CpNmyggezT+FGbqNGLdFwJMDUrj+i5AuUTKWnTcJN5gSQcyyQ+7Ng= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 660813cd-6455-4744-c528-08d70b8f1901 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Jul 2019 14:49:12.2970 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: pbhagavatula@marvell.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR1801MB1942 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:5.22.84,1.0.8 definitions=2019-07-18_07:2019-07-18,2019-07-18 signatures=0 Subject: Re: [dpdk-dev] [EXT] Re: [PATCH] mempool/octeontx2: use noinline to preserve ABI X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" >-----Original Message----- >From: Stephen Hemminger >Sent: Thursday, July 18, 2019 8:13 PM >To: Pavan Nikhilesh Bhagavatula >Cc: Jerin Jacob Kollanukkaran ; Nithin Kumar >Dabilpuram ; Vamsi Krishna Attunuru >; 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 > wrote: > >> From: Pavan Nikhilesh >> >> Since direct register access is used in npa_lf_aura_op_alloc_bulk() >> use __rte_noinline to preserve ABI. >> >> Signed-off-by: Pavan Nikhilesh > >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/pa= tch/56703/ [1] http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055b/IHI0055B_aapc= s64.pdf Regards, Pavan.