From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from dpdk.org (dpdk.org [92.243.14.124])
	by inbox.dpdk.org (Postfix) with ESMTP id BE6C2A10DA
	for <public@inbox.dpdk.org>; Fri,  2 Aug 2019 10:09:44 +0200 (CEST)
Received: from [92.243.14.124] (localhost [127.0.0.1])
	by dpdk.org (Postfix) with ESMTP id C8D6F1C222;
	Fri,  2 Aug 2019 10:09:42 +0200 (CEST)
Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com
 [148.163.156.1]) by dpdk.org (Postfix) with ESMTP id 69CBB1C202
 for <dev@dpdk.org>; Fri,  2 Aug 2019 10:09:41 +0200 (CEST)
Received: from pps.filterd (m0098396.ppops.net [127.0.0.1])
 by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id
 x7286UJl133450 for <dev@dpdk.org>; Fri, 2 Aug 2019 04:09:40 -0400
Received: from smtp.notes.na.collabserv.com (smtp.notes.na.collabserv.com
 [192.155.248.75])
 by mx0a-001b2d01.pphosted.com with ESMTP id 2u4gfmaed0-1
 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT)
 for <dev@dpdk.org>; Fri, 02 Aug 2019 04:09:40 -0400
Received: from localhost
 by smtp.notes.na.collabserv.com with smtp.notes.na.collabserv.com ESMTP
 for <dev@dpdk.org> from <TYOS@jp.ibm.com>;
 Fri, 2 Aug 2019 08:09:39 -0000
Received: from us1a3-smtp01.a3.dal06.isc4sb.com (10.106.154.95)
 by smtp.notes.na.collabserv.com (10.106.227.123) with
 smtp.notes.na.collabserv.com ESMTP; Fri, 2 Aug 2019 08:09:35 -0000
Received: from us1a3-mail157.a3.dal06.isc4sb.com ([10.146.71.179])
 by us1a3-smtp01.a3.dal06.isc4sb.com
 with ESMTP id 2019080208093523-233267 ;
 Fri, 2 Aug 2019 08:09:35 +0000 
In-Reply-To: <CAJFAV8zxYagNVmV2Xf2LCMG7QG7XFPNbDNJyZyEC+WeSaHiZtw@mail.gmail.com>
From: "Takeshi T Yoshimura" <TYOS@jp.ibm.com>
To: David Marchand <david.marchand@redhat.com>
Cc: dev <dev@dpdk.org>, David Christensen <drc@linux.vnet.ibm.com>,
 anatoly.burakov@intel.com
Date: Fri, 2 Aug 2019 08:09:35 +0000
MIME-Version: 1.0
Sensitivity: 
Importance: Normal
X-Priority: 3 (Normal)
References: <CAJFAV8zxYagNVmV2Xf2LCMG7QG7XFPNbDNJyZyEC+WeSaHiZtw@mail.gmail.com>,
 <20190731033523.2482-1-tyos@jp.ibm.com>
 <CAJFAV8wBG5i0rg2hVjXwF=qwMGfqj5VqUZ95MQmas1Yi_njj1Q@mail.gmail.com>
 <OF6FEB6022.2D33273A-ON00258448.003A6495-00258448.003AFACA@notes.na.collabserv.com>
 <CAJFAV8xp7T+Y_9JM29VtezRXM=jgbtigkVhvy=hewy=MCLOuRA@mail.gmail.com>
 <OF4FAB9588.00060719-ON00258449.001697CC-00258449.0016ED64@notes.na.collabserv.com>
 <CAJFAV8yKnq3Nkz6HcRF5CcnrqE5DgmOcX2XP+APUMHDMg-so6g@mail.gmail.com>
 <OFFCB5A2C6.AF7A3BFF-ON00258449.001DA2FD-00258449.001DC9E5@notes.na.collabserv.com>
 <CAJFAV8xc2txr2uPAy=db8_Xr9-6ia8JJtNP2fWv+vnW2ZpeEEg@mail.gmail.com>
 <OFC462FFC3.77F93F29-ON00258449.002C7722-00258449.00302FD9@notes.na.collabserv.com>
X-Mailer: IBM iNotes ($HaikuForm 1054) | IBM Domino Build
 SCN1812108_20180501T0841_FP55 May 22, 2019 at 11:09
X-LLNOutbound: False
X-Disclaimed: 62459
X-TNEFEvaluated: 1
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset=UTF-8
x-cbid: 19080208-3815-0000-0000-00000C587A93
X-IBM-SpamModules-Scores: BY=0.294011; FL=0; FP=0; FZ=0; HX=0; KW=0; PH=0;
 SC=0.40962; ST=0; TS=0; UL=0; ISC=; MB=0.000009
X-IBM-SpamModules-Versions: BY=3.00011537; HX=3.00000242; KW=3.00000007;
 PH=3.00000004; SC=3.00000287; SDB=6.01240917; UDB=6.00654409; IPR=6.01022348; 
 BA=6.00006362; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000;
 ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00028005; XFM=3.00000015;
 UTC=2019-08-02 08:09:39
X-IBM-AV-DETECTION: SAVI=unsuspicious REMOTE=unsuspicious XFE=unused
X-IBM-AV-VERSION: SAVI=2019-08-01 18:15:44 - 6.00010236
x-cbparentid: 19080208-3816-0000-0000-00001125DCFB
Message-Id: <OF721626C6.2E6D78C9-ON0025844A.002CCF91-0025844A.002CD2B1@notes.na.collabserv.com>
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, ,
 definitions=2019-08-02_04:, , signatures=0
X-Proofpoint-Spam-Reason: safe
Subject: Re: [dpdk-dev] [PATCH] eal: forcing IOVA as PA in ppc
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

-----David Marchand <david.marchand@redhat.com> wrote: -----

>To: Takeshi T Yoshimura <TYOS@jp.ibm.com>
>From: David Marchand <david.marchand@redhat.com>
>Date: 08/01/2019 06:47PM
>Cc: dev <dev@dpdk.org>, David Christensen <drc@linux.vnet.ibm.com>
>Subject: [EXTERNAL] Re: [dpdk-dev] [PATCH] eal: forcing IOVA as PA in
>ppc
>
>On Thu, Aug 1, 2019 at 10:46 AM Takeshi T Yoshimura <TYOS@jp.ibm.com>
>wrote:
>>
>> > - Are the (below) devices bound to vfio-pci or any other kmod at
>this point of the init?
>>
>> Yes, vfio-pci is bound to 0030:01:00.0 in the log.
>>
>> > - Is the spdk=5Fnvme driver loaded at this point?
>>
>> No, spdk just attempts to initialize dpdk at this point.
>> After the initialization finishes, spdk probes the nvme driver.
>
>Do you mean that spdk registers its drivers after rte=5Feal=5Finit() has
>returned?
>
>Nothing should prevent from registering the drivers them before
>calling rte=5Feal=5Finit(), did you try this?
>If the drivers are in the form of shared libraries (.so files), did
>you try to load them using the -d eal option?
>
>
>--=20
>David Marchand
>
>

SPDK apps have to call rte=5Feal=5Finit() before registering drivers,
since the driver allocates DMA memory.
Do I have to change existing apps and spdk core to workaround this issue to=
 use new versions of dpdk?