From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 24444A0552; Wed, 1 Jun 2022 04:01:41 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5F88F4113F; Wed, 1 Jun 2022 04:01:38 +0200 (CEST) Received: from mail-io1-f42.google.com (mail-io1-f42.google.com [209.85.166.42]) by mails.dpdk.org (Postfix) with ESMTP id 8BF4240150 for ; Wed, 1 Jun 2022 04:01:36 +0200 (CEST) Received: by mail-io1-f42.google.com with SMTP id q203so356653iod.0 for ; Tue, 31 May 2022 19:01:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9LNcWqovryKk/iRJQk2cCGOm6QFG03S0RN3frF2H+w0=; b=FVKwjJzDvhbZfqmJaTPS4Y0EzvI/mHYqC6HWr0lCKOiJU6/QBRI4XNoR5lmC1x5nyl HgRqrZxKY3oqkas1Mr3gf048JYDrlTbH9pjfwnCVMzR2ry6+gUtvJeSGTMw6ehLwFYxc DT49CzctQ2U3ZeWklGKPPDaHwqgy476wjGimA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9LNcWqovryKk/iRJQk2cCGOm6QFG03S0RN3frF2H+w0=; b=7JbPkrY/9/RT/I+CY7A0glZBb7vv93F6iLM8LXSFkdX26DJFlKzCRe1H7bjhQ7GUpo sYYcEGDFyyWBDrxwzdrmVP2btbBR5tI+Jzbd1TR1Cn83d6lrNHn5k8rK6+/k0juFHc1U zuhjN7GvR587nmJs5updg5DM3OOkbryygblFFUVZAcWZfo1sgSZnzmp5WukvDKjfY0vr FPftSOm//5kc/lI300SDTnemY2BlmMJ9niqHOn0Duel/CJk52EyNMWE2TmF7nkqwSbhI 1wV8BicknZrFPZCPhPFnXVumJfSpAymWzNHCGbrjkelbfm92G419VCX3PnoPXJJkO97r pz3Q== X-Gm-Message-State: AOAM533YLsViOILf/7c4TvF14Be9wM4foFOimRTlZDeEhMYFsHa1FtZf LFRcoj8VNUCMkLF89KFpAWDJ+gF9Sj/+gLyOdPO3YnBrpM4= X-Google-Smtp-Source: ABdhPJxTMtC2Rh3OtigRK4r1jY06NNYEBIami/2BB+w+YuIlRVWr6pqPGAdlDtBebjzK7VxPI17Qagqu32193166BTw= X-Received: by 2002:a05:6638:16cf:b0:330:c52d:7be8 with SMTP id g15-20020a05663816cf00b00330c52d7be8mr15876002jat.163.1654048885488; Tue, 31 May 2022 19:01:25 -0700 (PDT) MIME-Version: 1.0 References: <20220527023553.48177-1-humin29@huawei.com> <20220601013057.31782-1-humin29@huawei.com> In-Reply-To: <20220601013057.31782-1-humin29@huawei.com> From: Ajit Khaparde Date: Tue, 31 May 2022 19:01:09 -0700 Message-ID: Subject: Re: [PATCH v2] ethdev: fix dev close in secondary process To: "Min Hu (Connor)" Cc: dpdk-dev Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000e5721305e0594400" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --000000000000e5721305e0594400 Content-Type: text/plain; charset="UTF-8" On Tue, May 31, 2022 at 6:32 PM Min Hu (Connor) wrote: > > From: Min Hu > > Secondary process need to close dev to release process private resources. > But secondary process should not be obliged to wait for device stop before > closing ethdev. > > This patch fixed it. > > Fixes: febc855b358e ("ethdev: forbid closing started device") > Cc: stable@dpdk.org > > Signed-off-by: Min Hu > --- > v2: > * fixed comment. > --- > lib/ethdev/rte_ethdev.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c > index 09abee6345..f34c6580a4 100644 > --- a/lib/ethdev/rte_ethdev.c > +++ b/lib/ethdev/rte_ethdev.c > @@ -1574,7 +1574,8 @@ rte_eth_dev_close(uint16_t port_id) > RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); > dev = &rte_eth_devices[port_id]; > > - if (dev->data->dev_started) { It will be good to add the comment as a part of the code as well. That way someone in future won't have to look at the commit log to understand the behavior. > + if (rte_eal_process_type() == RTE_PROC_PRIMARY && > + dev->data->dev_started) { > RTE_ETHDEV_LOG(ERR, "Cannot close started device (port %u)\n", > port_id); > return -EINVAL; > -- > 2.33.0 > --000000000000e5721305e0594400 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQdgYJKoZIhvcNAQcCoIIQZzCCEGMCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3NMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA 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