From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2D352A0514 for ; Wed, 15 Jan 2020 14:11:16 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id F1AC91C123; Wed, 15 Jan 2020 14:11:15 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 1E1F71C0D5; Wed, 15 Jan 2020 14:11:11 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Jan 2020 05:11:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,322,1574150400"; d="scan'208";a="219274429" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.35]) ([10.237.221.35]) by fmsmga007.fm.intel.com with ESMTP; 15 Jan 2020 05:11:07 -0800 To: Kevin Traynor , Rasesh Mody , Jerin Jacob , dpdk stable Cc: dpdk-dev , Jerin Jacob Kollanukkaran , GR-Everest-DPDK-Dev , Luca Boccassi References: <20191221014146.29795-1-rmody@marvell.com> <907f9f62-f492-3fbf-22cb-d1fc654037b7@redhat.com> From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-stable] [EXT] Re: [dpdk-dev] [PATCH] net/bnx2x: add support for secondary process X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On 1/15/2020 12:57 PM, Kevin Traynor wrote: > On 15/01/2020 12:47, Ferruh Yigit wrote: >> On 1/15/2020 10:58 AM, Kevin Traynor wrote: >>> On 14/01/2020 19:51, Rasesh Mody wrote: >>>> Hi Kevin, >>>> >>>>> From: Kevin Traynor >>>>> Sent: Tuesday, January 14, 2020 10:52 AM >>>>> >>>>> On 14/01/2020 04:51, Jerin Jacob wrote: >>>>>> On Sat, Dec 21, 2019 at 7:12 AM Rasesh Mody >>>>> wrote: >>>>>>> >>>>>>> Skip the device re-initialization for secondary process. >>>>>>> >>>>>>> Cc: stable@dpdk.com >>>>>> >>>>>> Correct Cc: to stable@dpdk.org >>>>>> >>>>> >>>>> Is it a fix, or secondary process was not intended to be supported previously? >>>>> If it is a fix, please provide the Fixed commit (will save Ferruh searching for it). >>>> >>>> Secondary process was not intended to be supported previously. So it is ok to not backport the change to all ongoing stable releases. >>> >>> Thanks for confirming. >>> >>>> However, the change has been tested with DPDK 19.11, I am wondering if it can be pulled in that stable tree. >>> >>> Cc Luca >>> >>>> Please see below the fixline tag. >>>> >>>> Fixes: 540a211084a7 ("bnx2x: driver core") >>>> >>> >>> Fixes tag won't be needed now as you've confirmed the code was doing >>> what it was intending to do. >> >> Since there is a request to backport this into 19.11, I was planning to add the >> fixes tag (stable tag is already there) but will it confuse the 18.11 because >> the commit in fixes line is older than 18.11? >> > > I think it should not have a Fixes tag. In this case there is nothing > being fixed, just a new feature being added/supported. It will be picked > up as a candidate for stable branches through the cc: stable, from there > it can be discussed. OK, I am not changing anything. But when fixes tag is missing I am not clear how you decide if the fix should go into any specific LTS or not, it should be hard to figure it out without reference point. > >>> >>>> Thanks! >>>> -Rasesh >>>>> >>>>>> Applied to dpdk-next-net-mrvl/master. Thanks >>>>>> >>>>>> >>>>>>> Signed-off-by: Rasesh Mody >>>>>> >>>>>>> --- >>>>>>> drivers/net/bnx2x/bnx2x_ethdev.c | 5 +++++ >>>>>>> 1 file changed, 5 insertions(+) >>>>>>> >>>>>>> diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c >>>>>>> b/drivers/net/bnx2x/bnx2x_ethdev.c >>>>>>> index 20b045ff87..7864b5b80a 100644 >>>>>>> --- a/drivers/net/bnx2x/bnx2x_ethdev.c >>>>>>> +++ b/drivers/net/bnx2x/bnx2x_ethdev.c >>>>>>> @@ -598,6 +598,11 @@ bnx2x_common_dev_init(struct rte_eth_dev >>>>>>> *eth_dev, int is_vf) >>>>>>> >>>>>>> eth_dev->dev_ops = is_vf ? &bnx2xvf_eth_dev_ops : >>>>>>> &bnx2x_eth_dev_ops; >>>>>>> >>>>>>> + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { >>>>>>> + PMD_DRV_LOG(ERR, sc, "Skipping device init from secondary >>>>> process"); >>>>>>> + return 0; >>>>>>> + } >>>>>>> + >>>>>>> rte_eth_copy_pci_info(eth_dev, pci_dev); >>>>>>> >>>>>>> sc->pcie_bus = pci_dev->addr.bus; >>>>>>> -- >>>>>>> 2.18.0 >>>>>>> >>>>>> >>>> >>>> >>> >> >