From patchwork Tue Jul 20 08:34:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yufeng Mo X-Patchwork-Id: 482028 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83F56C07E95 for ; Tue, 20 Jul 2021 08:38:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62866611F2 for ; Tue, 20 Jul 2021 08:38:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234899AbhGTH6D (ORCPT ); Tue, 20 Jul 2021 03:58:03 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:15042 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229675AbhGTH54 (ORCPT ); Tue, 20 Jul 2021 03:57:56 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4GTX8Z3625zZqp7; Tue, 20 Jul 2021 16:35:10 +0800 (CST) Received: from dggpeml500024.china.huawei.com (7.185.36.10) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Tue, 20 Jul 2021 16:38:32 +0800 Received: from localhost.localdomain (10.67.165.24) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Tue, 20 Jul 2021 16:38:32 +0800 From: Yufeng Mo To: , CC: , , , , , , , , , , , Subject: [PATCH RFC] net: hns3: add a module parameter wq_unbound Date: Tue, 20 Jul 2021 16:34:57 +0800 Message-ID: <1626770097-56989-1-git-send-email-moyufeng@huawei.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml500024.china.huawei.com (7.185.36.10) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org To meet the requirements of different scenarios, the WQ_UNBOUND flag of the workqueue is transferred as a module parameter. Users can flexibly configure the usage mode as required. Signed-off-by: Yufeng Mo --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 10 +++++++++- drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 10 +++++++++- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index dd3354a..9816592 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -76,6 +76,10 @@ static struct hnae3_ae_algo ae_algo; static struct workqueue_struct *hclge_wq; +static unsigned int wq_unbound; +module_param(wq_unbound, uint, 0400); +MODULE_PARM_DESC(wq_unbound, "Specifies WQ_UNBOUND flag for the workqueue, non-zero value takes effect"); + static const struct pci_device_id ae_algo_pci_tbl[] = { {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_GE), 0}, {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE), 0}, @@ -12936,7 +12940,11 @@ static int hclge_init(void) { pr_info("%s is initializing\n", HCLGE_NAME); - hclge_wq = alloc_workqueue("%s", 0, 0, HCLGE_NAME); + if (wq_unbound) + hclge_wq = alloc_workqueue("%s", WQ_UNBOUND, 0, HCLGE_NAME); + else + hclge_wq = alloc_workqueue("%s", 0, 0, HCLGE_NAME); + if (!hclge_wq) { pr_err("%s: failed to create workqueue\n", HCLGE_NAME); return -ENOMEM; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 52eaf82..85f6772 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -21,6 +21,10 @@ static struct hnae3_ae_algo ae_algovf; static struct workqueue_struct *hclgevf_wq; +static unsigned int wq_unbound; +module_param(wq_unbound, uint, 0400); +MODULE_PARM_DESC(wq_unbound, "Specifies WQ_UNBOUND flag for the workqueue, non-zero value takes effect"); + static const struct pci_device_id ae_algovf_pci_tbl[] = { {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_VF), 0}, {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_RDMA_DCB_PFC_VF), @@ -3855,7 +3859,11 @@ static int hclgevf_init(void) { pr_info("%s is initializing\n", HCLGEVF_NAME); - hclgevf_wq = alloc_workqueue("%s", 0, 0, HCLGEVF_NAME); + if (wq_unbound) + hclgevf_wq = alloc_workqueue("%s", WQ_UNBOUND, 0, HCLGEVF_NAME); + else + hclgevf_wq = alloc_workqueue("%s", 0, 0, HCLGEVF_NAME); + if (!hclgevf_wq) { pr_err("%s: failed to create workqueue\n", HCLGEVF_NAME); return -ENOMEM;