From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by dpdk.org (Postfix) with ESMTP id E9B991B611 for ; Sun, 25 Nov 2018 11:42:05 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 82CF120BA4; Sun, 25 Nov 2018 05:42:05 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Sun, 25 Nov 2018 05:42:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=4XXLizTuC1ltEhrXuwfC6IXKvSWR/hvCno7DAdvzmzA=; b=GWJZUT5m/F7L VbMHqmhr65hssEsXTTNky+/bFagM6uTZJ1BD9LPscCv8rV0q/VceoVv6HW3Xy+z4 Xk7MIgIaeoLwUetOFEHbSpy6ycO3eWFbTHwAOXjDbOq8h5p0JS4pVGcFqPpoWDDu Sqo395tZ9T9eiFdnnSCDGU8+VrLtyuo= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=4XXLizTuC1ltEhrXuwfC6IXKvSWR/hvCno7DAdvzm zA=; b=ef3KQ7RwwflIAcsyNN7hLZYge77EnnYBFnRz9LzF2N2IDSSonHPFJWWHi aV7OGR5hU75FYOloqsQp9qlo/5GZ4DFoJNPp0HZo7fYQ7tmKqflXz2IX5eWIqHwC hEnKDqASZTwMsLDKmCSQuwxnsBJTJQSc1G/sVzgGqgOnKjMb64GgbgOmxUBgjw6K u8+sVzT5l26H63WILnWAKmdY7GxsTsMmnyOrjwVJkIvexGAOeD0DVnXzl+JwK56J eU0oySD5umc9aoOtqo4ZGG4HpxD63fHENrATKNnCBZdHf0A4d3p1x7+UbEhkCuFA RkTaoJBElIPNPe5+gSntwk1L3njBw== X-ME-Sender: X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 60CAA102DD; Sun, 25 Nov 2018 05:42:03 -0500 (EST) From: Thomas Monjalon To: Ilya Maximets , Kevin Traynor Cc: dev@dpdk.org, Maxime Coquelin , David Marchand , Tiwei Bie , Zhihong Wang , Ferruh Yigit , Ian Stokes , Bruce Richardson Date: Sun, 25 Nov 2018 11:42:02 +0100 Message-ID: <5128156.OEWx9KzbiF@xps> In-Reply-To: <2699010.cjLPUA7OeM@xps> References: <20181123143620.10480-1-i.maximets@samsung.com> <2f95ce88-8f61-10c0-9131-49e2a5d10048@redhat.com> <2699010.cjLPUA7OeM@xps> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v3 0/2] IOPL related fixes 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: , X-List-Received-Date: Sun, 25 Nov 2018 10:42:06 -0000 23/11/2018 23:29, Thomas Monjalon: > 23/11/2018 21:07, Kevin Traynor: > > On 11/23/2018 04:25 PM, Maxime Coquelin wrote: > > > On 11/23/18 4:53 PM, Ilya Maximets wrote: > > >> On 23.11.2018 18:41, Maxime Coquelin wrote: > > >>> On 11/23/18 4:39 PM, Ilya Maximets wrote: > > >>>> Patches primary targeted to fix OVS unit test failures with > > >>>> DPDK 18.11 due to following error: > > >>>> 'IOPL call failed - cannot use virtio PMD'. > > >>> > > >>> You mention v18.11, do you mean this is a regression? > > >> > > >> Kind of. But not really a bug. It's just a message that shows up > > >> every time you starting the app as a non-root user. > > >> > > >> The message itself was introduced long time ago, but it wasn't > > >> printed for unclear reasons. It's probably some change in logging > > >> subsystem uncovered it. > > >> > > >> I just checked and found that message appears starting from v18.02. > > >> But OVS stuck with 17.11 LTS where this message exists, but not > > >> printed for some reason. That's why this wasn't an issue previously. > > > > > > Thanks for the clarification. > > > In that case, we may want it in v18.11 LTS, but I think it can wait or > > > v18.11.1. > > > > It would be better if it can be in 18.11. Upstream OVS will point at a > > release tarball, and at present an 18.11.1 release is not due until > > mid-January. If it's too late for 18.11, alternatively we could do an > > earlier 18.11.1 release. > > I won't take any risk at this stage. > The memory of the headaches we had in the past with iopl is too much strong. > The real change of this patch is to register the PMD even without successful iopl. > I would like to be sure it won't cause any regression. After more thinking, I decide to take the risk. Take it as a gift to OVS :-) Series applied