From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0CBE5A04C3; Fri, 22 Nov 2019 16:24:24 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E6AB754AE; Fri, 22 Nov 2019 16:24:22 +0100 (CET) Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by dpdk.org (Postfix) with ESMTP id A78692C36; Fri, 22 Nov 2019 16:24:20 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 4C3232386C; Fri, 22 Nov 2019 10:24:19 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Fri, 22 Nov 2019 10:24:19 -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=fRfLdazalmM4+c2gKPF7QcACV44ibRFOA/AAd3DI+fw=; b=deGWL5Gq1rxU gCtJLSRVsax8JibHuyxOgEsjsqMXNtlywHW+DhlLdUabY3R17fQer6lEEWqujnpt MjvVQqZOQ+n9SgVtnVfdg4rR3uYO0p1QzCAoTwatZwjSTjnNbWafWg808RAffQ3i TXGLOSkjJO+NvXFQp9OlJ0UZelqeATU= 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=fRfLdazalmM4+c2gKPF7QcACV44ibRFOA/AAd3DI+ fw=; b=UqTxo9GyIrM9e6oSqoTncbfUKPDKqSY8Da4jiF40ULxxKyFfWJx8gra8D +nfxMvoRTfXsOQWrfALLwNQhqFT7xKOfcJhkPun8CY39p9fDEPPkvCwC8PaiAAnS +/p4G06ENfz+H30bg6VpScCHFrpmCPaoBGZg01zJLFL8esJu5wGIDkP5kdHpUgac oVZKY2+tLMM/UIWmkpP9164Uv3Np5JhXee2HndE8h5gIwTjh+vu4TtB3t3E4EChE ik2AyKUJ8ZkVns6W5QkAQ36HYvlBLWEWFukRkS7YkwAWsLjb2R7ZBtZFu/8o/D/k g07BDXxuSsjvg02ma+1Gr1yiEnVPA== X-ME-Sender: <xms:ov3XXWtWqaR30rRcKFaAXLCpSYPnDilowtEdDINy4s1DCXF-aq2Ktw> X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedufedrudehgedgjeehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkfgjfhgggfgtsehtufertddttddvnecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecukf hppeejjedrudefgedrvddtfedrudekgeenucfrrghrrghmpehmrghilhhfrhhomhepthhh ohhmrghssehmohhnjhgrlhhonhdrnhgvthenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: <xmx:ov3XXWFG3wSLXru1AlULMjKG-LOPxFEosapzboxPtmUe6CaXiz3Iwg> <xmx:ov3XXV0IHXUi-kcJVyn_QiW6lXTaTRfkbRRJxbGDA0HCXW07aqRJKQ> <xmx:ov3XXWeiEkMVZlpYSzR4BBM6ig0C1eXrznzzGe6Swh1jKhFQG23VZA> <xmx:o_3XXdrWONKJmkMCJ6fiV3mrsp5z0ojLLBCyVcDF_0rJBHE0vWcrrg> Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 0523480069; Fri, 22 Nov 2019 10:24:17 -0500 (EST) From: Thomas Monjalon <thomas@monjalon.net> To: Kevin Traynor <ktraynor@redhat.com> Cc: David Marchand <david.marchand@redhat.com>, dev <dev@dpdk.org>, Luca Boccassi <bluca@debian.org>, dpdk stable <stable@dpdk.org> Date: Fri, 22 Nov 2019 16:24:16 +0100 Message-ID: <4111590.xNL0bnPyNO@xps> In-Reply-To: <b4a28d70-2fed-3678-d15e-2fbb78b7f51a@redhat.com> References: <CAJFAV8ziep_Q1aEzP8EAuV_bdHGvpWenEv5X0Ndj3F=9d3atrA@mail.gmail.com> <2832122.p5jCZFCg2j@xps> <b4a28d70-2fed-3678-d15e-2fbb78b7f51a@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] Backporting rte_intr_ack X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> 22/11/2019 16:12, Kevin Traynor: > On 19/11/2019 10:40, Thomas Monjalon wrote: > > 14/10/2019 17:55, David Marchand: > >> The api rte_intr_ack that has been introduced to fix a race condition > >> observed with (at least) qede drivers/hw. > >> This is an experimental api in master but it still fixes a problem, so > >> I'd like to see this in stable branches. > > > > This is more a driver interface than an API. > > > >> Opinions? > > > > If it comes with a fix in a driver, I think it is worth backporting. > > > > > > I think fine to backport as it solves an observed problem for qede. > However, a bit reluctant to update all the drivers to use it without > acks from their maintainers. > > Discussed with David offline and idea to backport and only update qede > now. Other drivers can be updated if there is a request from > maintainers. How does it sound? It's better than nothing. But it makes tracking of backports more difficult. Is it a common practice to backport half of fixes?