From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 843D1A05D3 for ; Wed, 27 Mar 2019 12:28:51 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D1E191B0FB; Wed, 27 Mar 2019 12:28:50 +0100 (CET) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by dpdk.org (Postfix) with ESMTP id 321F61B546 for ; Fri, 22 Mar 2019 02:40:56 +0100 (CET) Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x2M1dFJ1073136 for ; Thu, 21 Mar 2019 21:40:56 -0400 Received: from smtp.notes.na.collabserv.com (smtp.notes.na.collabserv.com [192.155.248.93]) by mx0a-001b2d01.pphosted.com with ESMTP id 2rcj7vr6sc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 21 Mar 2019 21:40:56 -0400 Received: from localhost by smtp.notes.na.collabserv.com with smtp.notes.na.collabserv.com ESMTP for from ; Fri, 22 Mar 2019 01:40:55 -0000 Received: from us1a3-smtp05.a3.dal06.isc4sb.com (10.146.71.159) by smtp.notes.na.collabserv.com (10.106.227.39) with smtp.notes.na.collabserv.com ESMTP; Fri, 22 Mar 2019 01:40:45 -0000 Received: from us1a3-mail95.a3.dal06.isc4sb.com ([10.146.21.14]) by us1a3-smtp05.a3.dal06.isc4sb.com with ESMTP id 2019032201404498-1303571 ; Fri, 22 Mar 2019 01:40:44 +0000 MIME-Version: 1.0 In-Reply-To: To: Shahaf Shuler Cc: Chao Zhu , Dekel Peled , "dev@dpdk.org" , David Christensen , Ori Kam , "stable@dpdk.org" , Thomas Monjalon , David Wilder , Yongseok Koh From: "Pradeep Satyanarayana" Date: Thu, 21 Mar 2019 17:40:44 -0800 References: <1552913893-43407-1-git-send-email-dekelp@mellanox.com> <1789153.zrlSK8XYcq@xps> <12440555.pBuX5BjkXC@xps> X-KeepSent: 1F3C40D3:A212732F-882583C4:007F1C22; type=4; name=$KeepSent X-Mailer: IBM Notes Release 9.0.1EXT SHF993 September 20, 2018 X-LLNOutbound: False X-Disclaimed: 26787 X-TNEFEvaluated: 1 x-cbid: 19032201-1799-0000-0000-00000AE85FC2 X-IBM-SpamModules-Scores: BY=0.293969; FL=0; FP=0; FZ=0; HX=0; KW=0; PH=0; SC=0.459521; ST=0; TS=0; UL=0; ISC=; MB=0.258759 X-IBM-SpamModules-Versions: BY=3.00010792; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000281; SDB=6.01177802; UDB=6.00616163; IPR=6.00958498; BA=6.00006265; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00026101; XFM=3.00000015; UTC=2019-03-22 01:40:53 X-IBM-AV-DETECTION: SAVI=unsuspicious REMOTE=unsuspicious XFE=unused X-IBM-AV-VERSION: SAVI=2019-03-22 01:24:21 - 6.00009724 x-cbparentid: 19032201-1800-0000-0000-0000FE686CB1 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-22_01:, , signatures=0 X-Proofpoint-Spam-Reason: safe X-Mailman-Approved-At: Wed, 27 Mar 2019 12:28:50 +0100 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] [PATCH] eal/ppc: remove fix of memory barrier for IBM POWER 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" Message-ID: <20190322014044.VkMsmuGGVG1_Dprkl922JFtjo4VHJL_EZ_8c8cbJ_RU@z> DQoNClNoYWhhZiBTaHVsZXIgPHNoYWhhZnNAbWVsbGFub3guY29tPiB3cm90ZSBvbiAwMy8yMS8y MDE5IDAxOjQ5OjM5IEFNOg0KDQo+IEZyb206IFNoYWhhZiBTaHVsZXIgPHNoYWhhZnNAbWVsbGFu b3guY29tPg0KPiBUbzogInByYWRlZXBAdXMuaWJtLmNvbSIgPHByYWRlZXBAdXMuaWJtLmNvbT4s IFRob21hcyBNb25qYWxvbg0KPiA8dGhvbWFzQG1vbmphbG9uLm5ldD4NCj4gQ2M6IENoYW8gWmh1 IDxjaGFvemh1QGxpbnV4LnZuZXQuaWJtLmNvbT4sIERla2VsIFBlbGVkDQo+IDxkZWtlbHBAbWVs bGFub3guY29tPiwgImRldkBkcGRrLm9yZyIgPGRldkBkcGRrLm9yZz4sIE9yaSBLYW0NCj4gPG9y aWthQG1lbGxhbm94LmNvbT4sICJzdGFibGVAZHBkay5vcmciIDxzdGFibGVAZHBkay5vcmc+LCBZ b25nc2Vvaw0KPiBLb2ggPHlza29oQG1lbGxhbm94LmNvbT4sIERhdmlkIENocmlzdGVuc2VuIDxk cmNAaWJtLmNvbT4sIERhdmlkDQo+IFdpbGRlciA8d2lsZGVyQHVzLmlibS5jb20+DQo+IERhdGU6 IDAzLzIxLzIwMTkgMDE6NTQgQU0NCj4gU3ViamVjdDogUkU6IFtQQVRDSF0gZWFsL3BwYzogcmVt b3ZlIGZpeCBvZiBtZW1vcnkgYmFycmllciBmb3IgSUJNIFBPV0VSDQo+DQo+IFByYWRlZXAgU2F0 eWFuYXJheWFuYSA8cHJhZGVlcEB1cy5pYm0uY29tPiB3cm90ZSBvbiBUaHUgMy8yMS8yMDE5IDEy OjQxDQpBTToNCj4gPlRob21hcyBNb25qYWxvbiA8dGhvbWFzQG1vbmphbG9uLm5ldD4gd3JvdGUg b24gMDMvMTkvMjAxOSAwMTo0NTowMSBQTToNCj4gPg0KPiA+PiBGcm9tOiBUaG9tYXMgTW9uamFs b24gPHRob21hc0Btb25qYWxvbi5uZXQ+DQo+ID4+IFRvOiBTaGFoYWYgU2h1bGVyIDxzaGFoYWZz QG1lbGxhbm94LmNvbT4NCj4gPj4gQ2M6IERla2VsIFBlbGVkIDxkZWtlbHBAbWVsbGFub3guY29t PiwgQ2hhbyBaaHUNCj4gPj4gPGNoYW96aHVAbGludXgudm5ldC5pYm0uY29tPiwgWW9uZ3Nlb2sg S29oIDx5c2tvaEBtZWxsYW5veC5jb20+LA0KPiA+PiAiZGV2QGRwZGsub3JnIiA8ZGV2QGRwZGsu b3JnPiwgT3JpIEthbSA8b3Jpa2FAbWVsbGFub3guY29tPiwNCj4gPj4gInN0YWJsZUBkcGRrLm9y ZyIgPHN0YWJsZUBkcGRrLm9yZz4sIHByYWRlZXBAdXMuaWJtLmNvbQ0KPiA+PiBEYXRlOiAwMy8x OS8yMDE5IDAxOjQ1IFBNDQo+ID4+IFN1YmplY3Q6IFJlOiBbUEFUQ0hdIGVhbC9wcGM6IHJlbW92 ZSBmaXggb2YgbWVtb3J5IGJhcnJpZXIgZm9yIElCTQ0KUE9XRVINCj4gPj4NCj4NCj4gWy4uLl0N Cj4NCj4gPj4gPg0KPiA+PiA+IFNvIGZhciwgd2hlbiBub3QgcnVubmluZyBvbiBwb3dlciwgd2Ug dXNlZCB0aGUgcnRlX3dtYiBmb3IgdGhhdC4NCj4gPj4gT24geDg2IGFuZCBBUk0gc3lzdGVtcyBp dCBwcm92aWRlZCB0aGUgbmVlZGVkIGd1YXJhbnRlZXMuDQo+ID4+ID4gSXQgaXMgYWxzbyBtZW50 aW9uZWQgaW4gdGhlIGJhcnJpZXIgZG94eWdlbiBvbiBBUk0gYXJjaDoNCj4gPj4gPiAiDQo+ID4+ ID4gV3JpdGUgbWVtb3J5IGJhcnJpZXIuDQo+ID4+ID4NCj4gPj4gPiBHdWFyYW50ZWVzIHRoYXQg dGhlIFNUT1JFIG9wZXJhdGlvbnMgZ2VuZXJhdGVkIGJlZm9yZSB0aGUgYmFycmllcg0KPiA+PiA+ IG9jY3VyIGJlZm9yZSB0aGUgU1RPUkUgb3BlcmF0aW9ucyBnZW5lcmF0ZWQgYWZ0ZXIuDQo+ID4+ ID4gIg0KPiA+PiA+DQo+ID4+ID4gSXQgZG9lc24ndCByZXN0cmljdCB0byBzdG9yZSB0byBzeXN0 ZW0gbWVtb3J5IG9ubHkuDQo+ID4+ID4gdy8gcG93ZXIgaXMgb24gc29tZXdoYXQgZGlmZmVyZW50 IGFuZCBpbiBmYWN0IHJ0ZV9tYiBpcyByZXF1aXJlZC4NCj4gPj4gSXQgb2J2aW91c2x5IG1pc3Mg dGhlIHBvaW50IG9mIHRob3NlIGJhcnJpZXIgaWYgd2Ugd2lsbCBuZWVkIHRvIHVzZQ0KPiA+PiBh IGRpZmZlcmVudCBiYXJyaWVyIGJhc2VkIG9uIHRoZSBzeXN0ZW0gYXJjaC4NCj4gPj4gPg0KPiA+ PiA+IFdlIG5lZWQgdG8gYWxpZ24gdGhlIGRlZmluaXRpb24gb2YgdGhlIGRpZmZlcmVudCBiYXJy aWVycyBpbiBEUERLOg0KPiA+PiA+IDEuIG5lZWQgYSBjbGVhciBkb2N1bWVudGF0aW9uIG9mIGVh Y2guIHRoaXMgc2hvdWxkIGJlIGdsb2JhbCBhbmQNCj4gPj4gbm90IHBhcnQgb2YgdGhlIHNwZWNp ZmljIGltcGxlbWVudGF0aW9uIG9uIGVhY2ggYXJjaC4NCj4gPg0KPiA+QSBzaW5nbGUgYXBwcm9h Y2ggbWF5IG5vdCB3b3JrIGZvciBhbGwgYXJjaGl0ZWN0dXJlcy4gUG93ZXIgaXMgZGlmZmVyZW50 DQo+ID5mcm9tIG90aGVycywgc28gd2UgbmVlZCB0byBiZSBhYmxlIHRvIGFjY29tbW9kYXRlIHRo YXQuIE1vcmUgY29tbWVudHMNCmJlbG93Lg0KPg0KPiBpdCBkb24ndCBnZXQgdGhpcyBjbGFpbS4N Cj4gSXQgaXMgb2sgdG8gaGF2ZSBzb21lIGRpZmZlcmVuY2VzIGJldHdlZW4gdGhlIGRpZmZlcmVu dCBhcmNoLCBidXQNCj4gaGVyZSB5b3UgaW1wbGVtZW50IGEgd2VsbC1kZWZpbmVkIGJhcnJpZXIg LSBydGVfd21iLg0KPiBpZiB5b3Ugc2VlIGEgbmVlZCB3ZSBjYW4gZGlzY3VzcyB0byBkZWZpbmUg YSAqKm5ldyoqIGJhcnJpZXIgd2hpY2gNCj4gc3luYyBTVE9SRSBvbmx5IHRvIHN5c3RlbSBtZW1v cnksIGFuZCB3aWxsIGJlIGFibGUgdG8gdXRpbGl6ZSB0aGUNCj4gbHdzeW5jIGNvbW1hbmQuDQo+ DQo+ID4NCj4gPj4NCj4gPj4gVGhlIGdsb2JhbCBkZWZpbml0aW9uIGlzIGluIGxpYi9saWJydGVf ZWFsL2NvbW1vbi9pbmNsdWRlLw0KPiBnZW5lcmljL3J0ZV9hdG9taWMuaA0KPiA+Pg0KPiA+PiBU aGVyZSBhcmUgc29tZSBjb3B5L3Bhc3RlIGluIEFybTMyIGFuZCBQUEMgdGhhdCBJIHdpbGwgcmVt b3ZlLg0KPiA+Pg0KPiA+PiA+IDIuIGVpdGhlciBtb2RpZnkgcHBjIHJ0ZV93bWIgdG8gbWF0Y2gg QVJNIGFuZCB4ODYgb25lcyBvciB0bw0KPiA+PiBkZWZpbmUgYSBuZXcgdHlwZSBvZiBiYXJyaWVy IHdoaWNoIHdpbGwgc3luYyBiZXR3ZWVuIGJvdGggSS9PIGFuZA0KPiA+PiBzdG9yZXMgdG8gc3lz dGVtcyBtZW1vcnkuDQo+ID4+DQo+ID4+IFRoZSBiYXNpYyBtZW1vcnkgYmFycmllciBvZiBEUERL IGRvZXMgbm90IG1lbnRpb24NCj4gPj4gYSBkaWZmZXJlbmNlIGJldHdlZW4gSS9PIGFuZCBzeXN0 ZW0gbWVtb3J5Lg0KPiA+DQo+ID5JbiB0aGUgY2FzZSBvZiBQb3dlciwgc3luYyB3aWxsIGNhdGVy IHRvIGJvdGggSS9PIGFuZCBzeXN0ZW0NCj4gbWVtb3J5LiBIb3dldmVyLCB0aGF0DQo+ID5pcyB0 b28gYmlnIGEgaGFtbWVyIGluIGFsbCBjYXNlcy4NCj4NCj4gcnRlX3dtYiByZXF1aXJlcyBzdWNo IHN5bmMuIHlvdSBwcm9wb3NlIHRvIGhhdmUgdGhlIHdyb25nIGJhcnJpZXIgaW4NCj4gZmF2b3Ig b2YgcGVyZm9ybWFuY2UuDQo+IHRvIG1pdGlnYXRlIHRoaXMgeW91IGNhbiB0YWtlIG15IHN1Z2dl c3Rpb24gYWJvdmUgYW5kIGRlZmluZSBhIG5ldywNCj4gbW9yZSBsaWdodHdlaWdodCBvbmUuDQo+ DQo+ID4NCj4gPj4gSXQgaXMgbm90IGV4cGxpY2l0ICh5ZXQpIGJ1dCBJIGFzc3VtZSBpdCBpcyBw cm90ZWN0aW5nIGJvdGguDQo+ID4+IFNvLCBpbiBteSBvcGluaW9uLCB3ZSBuZWVkIHRvIG1ha2Ug aXQgZXhwbGljaXQgaW4gdGhlIGRvYywNCj4gPj4gYW5kIGZpeCB0aGUgUFBDIGltcGxlbWVudGF0 aW9uIHRvIGNvbXBseSB3aXRoIHRoaXMgZGVmaW5pdGlvbi4NCj4gPj4NCj4gPj4gQW55d2F5LCBJ IGRvbid0IHNlZSBhbnkgc2lnbmlmaWNhbnQgZWZmb3J0IGZyb20gSUJNIHRvIG1vdmUgZnJvbQ0K PiA+PiB0aGUgYWxwaGEgc3VwcG9ydCBzdGFnZSB0byBhIHJlYWwgT3BlbiBTb3VyY2Ugc3VwcG9y dC4NCj4gPj4gUFM6IHNlbmRpbmcgYSBtYWlsIGV2ZXJ5IHR3byBtb250aHMsIHRvIHByb21pc2Ug aW1wcm92ZW1lbnRzLCBpcw0KPiBub3QgZW5vdWdoIQ0KPiA+DQo+DQo+IFvigKZdDQo+DQo+ID4N Cj4gPldlIHNob3VsZCByZXRhaW4gbHdzeW5jLCBzaG91bGQgbm90IGJlIHJlbW92ZWQgYXMgZGlz Y3Vzc2VkIGluIGhlcmU6DQo+ID4NCj4gPmh0dHA6Ly9tYWlscy5kcGRrLm9yZy9hcmNoaXZlcy9k ZXYvMjAxOS1NYXJjaC8xMjY3NDYuaHRtbA0KPg0KPiBpIGRvbid0IGFncmVlLg0KPiBpdCBpcyB2 ZXJ5IGNsZWFyIHRoZSBydGVfd21iIGltcGxlbWVudGF0aW9uIGluIHBvd2VyIGlzIGJyb2tlbiBh bmQNCj4gd2UgbmVlZCB0byBmaXggdGhpcyByaWdodCBhd2F5IGJlZm9yZSBvdGhlciBjdXN0b21l cnMgd2lsbCBoaXQgdGhlDQo+IHNhbWUgaXNzdWUuDQoNCg0KSW4gdGhlIERQREsgc291cmNlIEkg c2VlIGEgY291cGxlIG9mIGRpZmZlcmVudCBjbGFzc2VzIG9mIG1lbW9yeSBiYXJyaWVycy4NCkkg YW0NCm5vdCBjbGVhciBvbiB0aGUgdXNhZ2Ugb2YgdGhlc2UgaW4gdGhlIGRyaXZlcnMsIGJ1dCBJ IHdvdWxkIHRoaW5rIHRoZQ0KZ3VpZGVsaW5lcw0KdG8gYmUgYXMgc2hvd24gYmVsb3cgKGZvciBQ b3dlcik6DQoNCi0gcnRlX1tyd11tYiAoZ2VuZXJhbCBtZW1vcnkgYmFycmllcikgLS0+IHNob3Vs ZCBiZSBsd3N5bmMNCi0gcnRlX3NtcF9bcnddbWIgKFNNUCBtZW1vcnkgYmFycmllcikgLS0+c2hv dWxkIGJlIGx3c3luYw0KLSBydGVfaW9fW3J3XW1iIChJL08gbWVtb3J5IGJhcnJpZXIpICAtLT4g c2hvdWxkIGJlIHN5bmMNCi0gcnRlX2Npb19bcnddbWIgKGNvaGVyZW50IEkvTyBtZW1vcnkgYmFy cmllcikgLS0+c2hvdWxkIGJlIHN5bmMNCg0KbHdzeW5jIGlzIGFwcHJvcHJpYXRlIGZvciBjYXNl cyB3aGVyZSBDUFVzIGFyZSBhY2Nlc3NpbmcgY2FjaGVhYmxlIG1lbW9yeQ0KKGkuZS4gTWVtb3J5 IENvaGVyZW5jZSBSZXF1aXJlZCkgd2hpbGUgdGhlIHN5bmMgaW5zdHJ1Y3Rpb24gc2hvdWxkIGJl IHVzZWQNCmluIGFsbCBvdGhlciBjYXNlcy4NCg0KV2l0aCB0aGUgcGF0Y2ggaW46DQpodHRwOi8v bWFpbHMuZHBkay5vcmcvYXJjaGl2ZXMvZGV2LzIwMTktTWFyY2gvMTI2NzQ2Lmh0bWwNCg0KSXQg Y29udmVydHMgZXZlbiB0aGUgcnRlX3NtcF9bcnddbWIgaW50byBzeW5jLiBUaGF0IGlzIG5vdCB3 aGF0IHRoZQ0KcnRlX3NtcCooKSBzaG91bGQNCmJlIGltcGxlbWVudGluZyBhcyBwZXIgdGhlIGd1 aWRlbGluZXMgYWJvdmUuDQoNCnN0YXRpYyBfX3J0ZV9hbHdheXNfaW5saW5lIHZvaWQNCm1seDVf dHhfZGJyZWNfY29uZF93bWIoc3RydWN0IG1seDVfdHhxX2RhdGEgKnR4cSwgdm9sYXRpbGUgc3Ry dWN0IG1seDVfd3FlDQoqd3FlLA0KICAgICAgICAgICAgICAgICAgICAgICBpbnQgY29uZCkNCnsN CiAgICAgICAgdWludDY0X3QgKmRzdCA9ICh1aW50NjRfdCAqKSgodWludHB0cl90KXR4cS0+YmZf cmVnKTsNCiAgICAgICAgdm9sYXRpbGUgdWludDY0X3QgKnNyYyA9ICgodm9sYXRpbGUgdWludDY0 X3QgKil3cWUpOw0KDQogICAgICAgIHJ0ZV9jaW9fd21iKCk7IC0tPiB3b3VsZCBydGVfY2lvX3Jt YigpIGJlIG1vcmUgYXBwcm9wcmlhdGU/DQogICAgICAgICp0eHEtPnFwX2RiID0gcnRlX2NwdV90 b19iZV8zMih0eHEtPndxZV9jaSk7DQogICAgICAgIC8qIEVuc3VyZSBvcmRlcmluZyBiZXR3ZWVu IERCIHJlY29yZCBhbmQgQkYgY29weS4gKi8NCiAgICAgICAgcnRlX3dtYigpOyAtLT4gd2hhdCBo YXMgYmVlbiBlc3RhYmxpc2hlZCBpcyB0aGF0IGZvciBQb3dlciB3ZSBuZWVkDQoic3luYyIgaW5z dGVhZCBvZiBsd3N5bmMNCgkJV2UgYXJlIGRlYWxpbmcgd2l0aCBkZXZpY2UgbWVtb3J5IC1zaG91 bGQgd2UgYmUgdXNpbmcgYW4NCnJ0ZV9pb193bWIoKSBoZXJlPw0KDQogICAgICAgIG1seDVfdWFy X3dyaXRlNjRfcmVsYXhlZCgqc3JjLCBkc3QsIHR4cS0+dWFyX2xvY2spOw0KICAgICAgICBpZiAo Y29uZCkNCiAgICAgICAgICAgICAgICBydGVfd21iKCk7IC0tPiB3aGF0IGFib3V0IGhlcmU/IEFy ZSB0aGVyZSBjb25kaXRpb25zIHdoZW4NCndlIG5lZWQgc3luYz8NCn0NCg0KDQpUaGFua3MNClBy YWRlZXANCnByYWRlZXBAdXMuaWJtLmNvbQ0K