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 02DFAA0487 for ; Tue, 2 Jul 2019 19:39:00 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D44401B9AB; Tue, 2 Jul 2019 19:38:59 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id BDEB01B998; Tue, 2 Jul 2019 19:38:57 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Jul 2019 10:38:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,444,1557212400"; d="scan'208";a="157711354" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.30]) ([10.237.221.30]) by orsmga008.jf.intel.com with ESMTP; 02 Jul 2019 10:38:55 -0700 To: Andrew Rybchenko , David Marchand Cc: dev , dpdk stable , Thomas Monjalon References: <1561110041-1795-1-git-send-email-arybchenko@solarflare.com> <4e335594-04ee-100c-c5ee-d07ceeca56ae@solarflare.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <4e335594-04ee-100c-c5ee-d07ceeca56ae@solarflare.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH 1/3] ethdev: avoid error on PCI unplug of already closed ethdev 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 6/21/2019 11:15 AM, Andrew Rybchenko wrote: > On 6/21/19 12:52 PM, David Marchand wrote: >> On Fri, Jun 21, 2019 at 11:41 AM Andrew Rybchenko >> wrote: >>> If PCI Ethernet device driver removes it on close >>> (RTE_ETH_DEV_CLOSE_REMOVE) and later PCI device itself is unplugged, >>> it should not fail because of Ethernet device is already removed. >>> >>> Fixes: 23ea57a2a0ce ("ethdev: complete closing of port") >>> Cc: stable@dpdk.org >>> >>> Signed-off-by: Andrew Rybchenko >>> Reviewed-by: Ivan Malov >>> --- >>> Cc: Thomas Monjalon >>> Cc: Ferruh Yigit >>> >>> lib/librte_ethdev/rte_ethdev_pci.h | 2 +- >>> 1 file changed, 1 insertion(+), 1 deletion(-) >>> >>> diff --git a/lib/librte_ethdev/rte_ethdev_pci.h >>> b/lib/librte_ethdev/rte_ethdev_pci.h >>> index 23257e986..ccdbb46ec 100644 >>> --- a/lib/librte_ethdev/rte_ethdev_pci.h >>> +++ b/lib/librte_ethdev/rte_ethdev_pci.h >>> @@ -184,7 +184,7 @@ rte_eth_dev_pci_generic_remove(struct rte_pci_device >>> *pci_dev, >>> >>> eth_dev = rte_eth_dev_allocated(pci_dev->device.name); >>> if (!eth_dev) >>> - return -ENODEV; >>> + return 0; >>> >>> if (dev_uninit) { >>> ret = dev_uninit(eth_dev); >>> -- >>> 2.17.1 >>> >> We are changing the behavior for all drivers, while I understand this >> should apply to the ones that have the RTE_ETH_DEV_CLOSE_REMOVE flag. >> Btw, I had reported this earlier [1], care to add a little Reported-by for >> me ? :-) > > Yes, I agree. Unfortunately there is no ethdev here to check > RTE_ETH_DEV_CLOSE_REMOVE. It could be PCI driver flag for the > feature, but I'm not sure if it makes sense to add one more > flag for transition. > >> 1: http://mails.dpdk.org/archives/dev/2019-June/134150.html Reported-by: David Marchand > Acked-by: Ferruh Yigit