From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yk0-f180.google.com (mail-yk0-f180.google.com [209.85.160.180]) by dpdk.org (Postfix) with ESMTP id 6EBD95905 for ; Thu, 28 Aug 2014 00:08:35 +0200 (CEST) Received: by mail-yk0-f180.google.com with SMTP id 9so42522ykp.25 for ; Wed, 27 Aug 2014 15:12:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=3c+7sZtaGBJNDpXB4DPGRTVMX0VtMtED1PcbYkTtyHw=; b=RS1e2nQkr/mUFT/yCD1aAP7PfIqdAZSgiXkIuzNOzrAdXuB6N56dISqohhMsME8kf+ ZEGSbHQgZGZjJqtWJ7NFRoxUYQJZDARJ9KbeQjP0iGhqj44jS1jmkLYhbcvwFornn44m TKON809uy61ch5Cw2JEqKz39PXCirLhfRmxTpX8gVa4UZAOIBFBU8OKMLutLNncTbCAZ oeZb4eUs8nFntSbGtzCtWU4vzMXSNRN4DKjLmktmMJLQ+jcx++YNvWFof6HysIvb3xEU h57kdVKrGhDoFMUdx3cOr1RgEROVEsN07IpESpNUDRbV8lQAfqWFlFYFfEmJ0YYGXzXU Pczg== X-Gm-Message-State: ALoCoQneaKn8jrk+o/AwyDitzco9FNNELVe6YHBQGy4g+dYKEIrS19YBBz/iLNakCueHCJf4r3UT MIME-Version: 1.0 X-Received: by 10.220.97.138 with SMTP id l10mr20604747vcn.25.1409177560720; Wed, 27 Aug 2014 15:12:40 -0700 (PDT) Received: by 10.220.197.70 with HTTP; Wed, 27 Aug 2014 15:12:40 -0700 (PDT) Received: by 10.220.197.70 with HTTP; Wed, 27 Aug 2014 15:12:40 -0700 (PDT) In-Reply-To: References: <1409062300-17004-1-git-send-email-david.marchand@6wind.com> Date: Wed, 27 Aug 2014 15:12:40 -0700 Message-ID: From: Stephen Hemminger To: "Patel, Rashmin N" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] [PATCH RFC 0/3] only call iopl when necessary X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Aug 2014 22:08:35 -0000 Yes. Iopl is to allow out from user space. I played with ioperm instead but that is per thread and was a nuisance.