From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from emea01-am1-obe.outbound.protection.outlook.com (mail-am1on0059.outbound.protection.outlook.com [157.56.112.59]) by dpdk.org (Postfix) with ESMTP id E495C58F7 for ; Tue, 17 Nov 2015 12:09:04 +0100 (CET) Received: from AM2PR02MB260.eurprd02.prod.outlook.com (10.160.30.153) by AM2PR02MB260.eurprd02.prod.outlook.com (10.160.30.153) with Microsoft SMTP Server (TLS) id 15.1.318.15; Tue, 17 Nov 2015 11:09:03 +0000 Received: from AM2PR02MB260.eurprd02.prod.outlook.com ([10.160.30.153]) by AM2PR02MB260.eurprd02.prod.outlook.com ([10.160.30.153]) with mapi id 15.01.0318.003; Tue, 17 Nov 2015 11:09:03 +0000 From: Eli Britstein To: "users@dpdk.org" Thread-Topic: ivshmem mmap to specific address Thread-Index: AdEhJ6HPo4rYUD6SSKWKNuaNRxV8Ng== Date: Tue, 17 Nov 2015 11:09:03 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=eli.britstein@toganetworks.com; x-originating-ip: [192.116.190.146] x-microsoft-exchange-diagnostics: 1; AM2PR02MB260; 5:tmcH+R1O8gMLhrdqtDl46LN0nRiNoEZLXu0Jqp9IBZsgLNIUaoCw8G72IyZeF794B3mQ/lm2X8uXRHHYtrlwhkuOGaCYQNRjYkQ9vwBZqCofDg9U4SUtcWr0pY2MDyFA3fvFo4CEMeHzPa3AVWBZKg==; 24:BQt81mlZNRye13Lbp1NxNXlgbvCyIvu9N6VmEJq0zZzpLUkf26TpkRzuDLkrOfFB+b4LkEteo+UiMf+D5nQLZMW1E+lsXqjqbH03w0KZv+s=; 20:fXNLgQ69N+VOI0fwSk9jpgrVb8IhEYsYwdk+nnvN0LHzW1RjnXx11SLBqckm8iLB7YtYoJyOc6lH7E+zNQCpqg== x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:AM2PR02MB260; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(601004)(2401047)(5005006)(520078)(8121501046)(3002001)(10201501046); SRVR:AM2PR02MB260; BCL:0; PCL:0; RULEID:; SRVR:AM2PR02MB260; x-forefront-prvs: 07630F72AD x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(6009001)(189002)(164054003)(42154003)(199003)(34854003)(2900100001)(5001960100002)(110136002)(101416001)(122556002)(5004730100002)(40100003)(5008740100001)(50986999)(105586002)(5003600100002)(77096005)(54356999)(5890100001)(11100500001)(76576001)(102836002)(74316001)(81156007)(97736004)(107886002)(33656002)(87936001)(10400500002)(2501003)(5007970100001)(106356001)(2351001)(66066001)(86362001)(586003)(5002640100001)(189998001)(92566002)(450100001)(229853001); DIR:OUT; SFP:1101; SCL:1; SRVR:AM2PR02MB260; H:AM2PR02MB260.eurprd02.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en; received-spf: None (protection.outlook.com: toganetworks.com does not designate permitted sender hosts) spamdiagnosticoutput: 1:23 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: toganetworks.com X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Nov 2015 11:09:03.4088 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 73f7e7df-ca98-4f08-bf85-f137b447da96 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM2PR02MB260 Subject: [dpdk-users] ivshmem mmap to specific address X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Nov 2015 11:09:05 -0000 Hello, In librte_eal, in eal_ivshmem.c, in function map_all_segments, there is map= ping of segments from the metadata to the same virtual address as written i= n the metadata. Is there a method to guarantee that this mapping won't fail, even for diffe= rent processes, that might have large code or constructors running even bef= ore main? Thanks, Eli ---------------------------------------------------------------------------= ---------------------------------------------------------------------- This email and any files transmitted and/or attachments with it are confide= ntial and proprietary information of Toga Networks Ltd., and intended solely for the use of the individual or en= tity to whom they are addressed. If you have received this email in error please notify the system manager. = This message contains confidential information of Toga Networks Ltd., and is intended only for the individual = named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Pleas= e notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mai= l from your system. If you are not the intended recipient you are notified that disclosing, copying, distribut= ing or taking any action in reliance on the contents of this information is strictly prohibited. ---------------------------------------------------------------------------= ---------------------------------------------------------------------