From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44BC0C432C3 for ; Thu, 14 Nov 2019 09:44:57 +0000 (UTC) Received: from dpdk.org (dpdk.org [92.243.14.124]) by mail.kernel.org (Postfix) with ESMTP id 0104920709 for ; Thu, 14 Nov 2019 09:44:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0104920709 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=dev-bounces@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9D7382B86; Thu, 14 Nov 2019 10:44:55 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 0C3819E4; Thu, 14 Nov 2019 10:44:53 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Nov 2019 01:44:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,304,1569308400"; d="scan'208";a="203018991" Received: from aburakov-mobl1.ger.corp.intel.com (HELO [10.252.7.220]) ([10.252.7.220]) by fmsmga008.fm.intel.com with ESMTP; 14 Nov 2019 01:44:50 -0800 To: Venumadhav Josyula Cc: Bruce Richardson , users@dpdk.org, dev@dpdk.org, Venumadhav Josyula References: <20191113091927.GA1501@bricha3-MOBL.ger.corp.intel.com> <70f4e9f0-70f7-aa4a-6c5d-c24308d196c2@intel.com> From: "Burakov, Anatoly" Message-ID: <3c014e01-3635-df19-a11c-2db09b03d423@intel.com> Date: Thu, 14 Nov 2019 09:44:50 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] time taken for allocation of mempool. 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" On 13-Nov-19 9:01 PM, Venumadhav Josyula wrote: > Hi Anatoly, > > By default w/o specifying --iova-mode option is iova-mode=pa by default ? > > Thanks > Venu > In 18.11, there is a very specific set of circumstances that will default to IOVA as VA mode. Future releases have become more aggressive, to the point of IOVA as VA mode being the default unless asked otherwise. So yes, it is highly likely that in your case, IOVA as PA is picked as the default. -- Thanks, Anatoly