From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f170.google.com (mail-ob0-f170.google.com [209.85.214.170]) by dpdk.org (Postfix) with ESMTP id D3241595A for ; Mon, 2 Nov 2015 18:06:20 +0100 (CET) Received: by obctp1 with SMTP id tp1so99065341obc.2 for ; Mon, 02 Nov 2015 09:06:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind_com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=OZFKUQduMk6gscDHnL7MQ1hAUfW+HkAK3SoSRc53xRM=; b=xaB1hjMBI+SLOQRvhbwKmH33hVmI9oQO3JaO7kjzSr44CpRg/vPNmsPSqSIetmTYUK amlKpVHBwg5C5bCEHJZS0MPMoZsPGZBu83p0Gnl/fpGmuhW6cPnzHIUAJfNDNJaY8PIc 6wdbinJme5Q/eS1VejTH5rMEBsV0M/5eqgMJD0Q6uG/1Bfpp0Aoun7/H+d6OwjtsJa03 DCpaFw7edtmyabHitQPPFmoERbrAEImltdh4jmA4FDq6LiNMDIvwZwq+yfMf7clmyhm6 5OleU3+UZYCUzvg+YQdYXWIWnlO0s0CyUsoidGrC5z5a6G5kJcHZ9GCSwLd/noMOdllk wxGg== 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=OZFKUQduMk6gscDHnL7MQ1hAUfW+HkAK3SoSRc53xRM=; b=FSpVrHnjNdweJvaJTRHP7RzqJX21Ga+PRDBNDSR9cqd0EP1+gC10/gQScaYCKeR5Nz 8y/VYC9Emv8B7Z9T3shf4U/JfR2nA6HWv81HH0Bxv2Jis4XVdeoEj5BPJdB6y+CwntAY Atbd3yfoXES74s36EWX6BdFaLTjZWHamfa9HEvcDnJ0My+mBnAN5q2CBewEPZXHKuc9/ Q22ftesZ18Xmzad5W8/MBC/7F+yRQWH6MvaV81iGB4BcHm2Y5GixGLLROIEDCtJ8kI36 qqWB/MeYIWhEJQA1fcAU7Z4A74KdfdJQiyOvM2tnYzS1YNKi0hjlLXbKTPY9VZmcf0+i 4IAw== X-Gm-Message-State: ALoCoQnwUwaAzjWoeg7owirxkyGtQv4L2Ua8wzIQyu96jkcsgB/WfKndtmhCZx22JbZonVy7V2Lz MIME-Version: 1.0 X-Received: by 10.182.130.234 with SMTP id oh10mr15692164obb.58.1446483980241; Mon, 02 Nov 2015 09:06:20 -0800 (PST) Received: by 10.76.131.166 with HTTP; Mon, 2 Nov 2015 09:06:20 -0800 (PST) In-Reply-To: <2601191342CEEE43887BDE71AB97725836AB8655@irsmsx105.ger.corp.intel.com> References: <1443072831-19065-1-git-send-email-cunming.liang@intel.com> <1443072831-19065-7-git-send-email-cunming.liang@intel.com> <2601191342CEEE43887BDE71AB97725836AB85D6@irsmsx105.ger.corp.intel.com> <2601191342CEEE43887BDE71AB97725836AB862D@irsmsx105.ger.corp.intel.com> <2601191342CEEE43887BDE71AB97725836AB8655@irsmsx105.ger.corp.intel.com> Date: Mon, 2 Nov 2015 18:06:20 +0100 Message-ID: From: David Marchand To: "Ananyev, Konstantin" 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 v1 06/11] ixgbe: fix rx intr compatible issue with PF mbox 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: Mon, 02 Nov 2015 17:06:21 -0000 On Mon, Nov 2, 2015 at 5:41 PM, Ananyev, Konstantin < konstantin.ananyev@intel.com> wrote: > > If you don't want rx/tx, don't poll the port. > > Well, the question is why to add an extra restriction here? > Well, until I start a port, I would expect it to do nothing. Probably user deliberately doesn't want to call dev_start() for PF device - > as he doesn't plan to use it for RX/TX. > Or might be dev_stop() was called just to do some re-configuration > (allow to TX scattered packets on the PF queues or so). > Or dev_start() for PF has not yet been called. > Why VF should stop working properly because of that? > Why not. -- David Marchand