From nobody Thu Oct 2 10:55:48 2025 Received: from mail-wr1-f41.google.com (mail-wr1-f41.google.com [209.85.221.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C2CC30C103 for ; Thu, 18 Sep 2025 14:25:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758205530; cv=none; b=tTZMBpyXpTBmviye4SU4+CTYUbXxTAljr0f7ZhGUVJj51MjAG2j2cJKzomPI7RnOa1YXu5HTy7FuhNhnjGdSkDwsz8uuprUZunG2IAO2U1jbH80x60sachPBi5Dg8ITKwl/VjHn6dhIqgZTVwM8wsq/j3I9ISr0obHp09XIqslc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758205530; c=relaxed/simple; bh=FaiR8l9oCkqAi/uiFDiMmtemQQbDpIBNg6p2BtVk3lM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=FcQ9K8Wwal5DE+FuyLbk3yEEWMAQTOoo14OycwSWDxj0sitYKZzABLaMhDRNQOvXkeF2yD0Fpfgq7a9yG6sZ533BjDqUKqQOSe+b909FafbQjUMiT3KYSa9cIiJ1l0EMIwUgO3g06HMXQ3ErYViaTWUQE9URstCWHYCREWvUMVQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=FQ37bTKB; arc=none smtp.client-ip=209.85.221.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="FQ37bTKB" Received: by mail-wr1-f41.google.com with SMTP id ffacd0b85a97d-3ece0e4c5faso1193654f8f.1 for ; Thu, 18 Sep 2025 07:25:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1758205525; x=1758810325; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=7lBmPeK3AuNqBeSCK2HZQ76ad+uq7LonC1zVi1Y8g0c=; b=FQ37bTKBCgx7pF83utzEu5/eEpnhR95B+sFqS2Klq/rCGj8CSgLyh1LDFoqR7jpzQ1 DOrFvdEOQICJB/hJ7+GrQjyrHgPctW0mlU+ZjvjEQBNdL2DzRjDLOBwjYYiORwaRs+18 uuuSvdq0z9d+QKmPNBwI8Cf9DOKpwtBHOzh/asxq2DTRThnRcUGugck+bvf51J+aj6Je LYq7MSV9rdn1sGzoUREa6SwQd+KateEvqxEUWD7VBvKz/Ge7O5FYMZeURizL+I+IgtiK CshgVxpH92FAipoZzlDpA2a/NOgEL+TqhKE4enJ9tc+TRkVTzCyopRjnthv2FQtrUMRD Synw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758205525; x=1758810325; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7lBmPeK3AuNqBeSCK2HZQ76ad+uq7LonC1zVi1Y8g0c=; b=fpm6sYse/OXADkkhzKip29qtudnBv8JR46ipyz3vy/O3mr3DiRKX4pX7zrQMHezbze sgA2ctCfXOl6RPe00KPQkQomEVhXmCpigdQN8KPi4wiiQ35niZx6CPH1/EvdNO51C4qs Q/Hsj4lW5xNV6IARmzn9eAWYRVwYNCj38YRWvThn0NBlppzTUCNSFgcy108lBMpUGyoV Xus26/qhZYslGOcRNf2DCL7ucoNzdMMstxRToOUDwW80OI60PN61piCVFqy92/hYrSk/ fvktV3yYyTgPlKNIiv+dYuBVm0q/XliT5/sPOHYc8eJZH4OzbYfzffciYu2/NPEQSpxh 6FcA== X-Gm-Message-State: AOJu0Yz9tT6ONNeCkBn58Ko+tDGT8AbvrH1b4cpE6vJvCVZtni8/1cIF DB70lQTgZ8XYfQUwSxxwPsH24EHylrqaE9WltPvYIpCxjvE4Dq4FKW85YOvvP2on658V9DPZFrS tmgfc X-Gm-Gg: ASbGnct5xQPy7LftYjMRg13ZkysFarxv1pdfVTrLx2dOU5GxLhsnowZpvvt3XZK6/oT hbXz8/8yi0SkU3j8FHfiNTWLFL7mVDoBh/jSRgM2kstIy0HU96cczwBZlIALtSZhyd17gvsxcKo odUErjl7LyURrYuGkeiNajfU5gmKrkiZpsXCkVyvnAgxVDEhMo7ZUYOzgQrvB9dejkn5XLPcqJg /1VSrDrxHm28EQ4X9s++dGENt76nQKZe6jZ6NVEcioYsEHDCK6xR2eIsu7q90Dt3LO+pbX5UT6V zjouWcaTLbcgwAEPUcQCrj1zfX0rp9tkj9eKuRXOQMkPuZOFdNFENdiJM5K5ZoHT/e7J/c3hY2B Ocjk1g+GFKCj81JBeFRjqT5J4ctUmABW16ZB0kigYKiVbVQxyDmM6FMXbAEOxNO+o X-Google-Smtp-Source: AGHT+IFtq6r+1eGQt9fvdSrxPI4HC4RAZC4i6QCLHQh8bm9vebEfPQolxHaAnvao8EY0zqdiziG8tg== X-Received: by 2002:a5d:5f91:0:b0:3d3:1ad0:e8b7 with SMTP id ffacd0b85a97d-3ecdf9afcabmr5817016f8f.12.1758205524931; Thu, 18 Sep 2025 07:25:24 -0700 (PDT) Received: from localhost.localdomain ([2a00:6d43:105:c401:e307:1a37:2e76:ce91]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45f32085823sm63270675e9.0.2025.09.18.07.25.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Sep 2025 07:25:24 -0700 (PDT) From: Marco Crivellari To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Cc: Tejun Heo , Lai Jiangshan , Frederic Weisbecker , Sebastian Andrzej Siewior , Marco Crivellari , Michal Hocko , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: [PATCH net-next v2 3/3] net: WQ_PERCPU added to alloc_workqueue users Date: Thu, 18 Sep 2025 16:24:27 +0200 Message-ID: <20250918142427.309519-4-marco.crivellari@suse.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250918142427.309519-1-marco.crivellari@suse.com> References: <20250918142427.309519-1-marco.crivellari@suse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Currently if a user enqueue a work item using schedule_delayed_work() the used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to schedule_work() that is using system_wq and queue_work(), that makes use again of WORK_CPU_UNBOUND. This lack of consistentcy cannot be addressed without refactoring the API. alloc_workqueue() treats all queues as per-CPU by default, while unbound workqueues must opt-in via WQ_UNBOUND. This default is suboptimal: most workloads benefit from unbound queues, allowing the scheduler to place worker threads where they=E2=80=99re needed= and reducing noise when CPUs are isolated. This change adds a new WQ_PERCPU flag at the network subsystem, to explicit= ly request the use of the per-CPU behavior. Both flags coexist for one release cycle to allow callers to transition their calls. Once migration is complete, WQ_UNBOUND can be removed and unbound will become the implicit default. With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND), any alloc_workqueue() caller that doesn=E2=80=99t explicitly specify WQ_UNB= OUND must now use WQ_PERCPU. All existing users have been updated accordingly. Suggested-by: Tejun Heo Signed-off-by: Marco Crivellari --- drivers/net/can/spi/hi311x.c | 3 ++- drivers/net/can/spi/mcp251x.c | 3 ++- drivers/net/ethernet/cavium/liquidio/lio_core.c | 2 +- drivers/net/ethernet/cavium/liquidio/lio_main.c | 8 +++++--- drivers/net/ethernet/cavium/liquidio/lio_vf_main.c | 3 ++- drivers/net/ethernet/cavium/liquidio/request_manager.c | 2 +- drivers/net/ethernet/cavium/liquidio/response_manager.c | 3 ++- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 3 ++- drivers/net/ethernet/intel/fm10k/fm10k_main.c | 2 +- drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +- drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 2 +- drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c | 2 +- drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c | 2 +- drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c | 2 +- drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c | 3 ++- drivers/net/ethernet/marvell/prestera/prestera_main.c | 2 +- drivers/net/ethernet/marvell/prestera/prestera_pci.c | 2 +- drivers/net/ethernet/mellanox/mlxsw/core.c | 4 ++-- drivers/net/ethernet/netronome/nfp/nfp_main.c | 2 +- drivers/net/ethernet/qlogic/qed/qed_main.c | 3 ++- drivers/net/ethernet/wiznet/w5100.c | 2 +- drivers/net/fjes/fjes_main.c | 5 +++-- drivers/net/wireguard/device.c | 6 ++++-- drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c | 3 ++- drivers/net/wwan/wwan_hwsim.c | 2 +- net/ceph/messenger.c | 3 ++- net/core/sock_diag.c | 2 +- net/rds/ib_rdma.c | 3 ++- net/rxrpc/rxperf.c | 2 +- net/smc/af_smc.c | 6 +++--- net/smc/smc_core.c | 2 +- net/tls/tls_device.c | 2 +- net/vmw_vsock/virtio_transport.c | 2 +- net/vmw_vsock/vsock_loopback.c | 2 +- 35 files changed, 57 insertions(+), 42 deletions(-) diff --git a/drivers/net/can/spi/hi311x.c b/drivers/net/can/spi/hi311x.c index 09ae218315d7..96f23311b4ee 100644 --- a/drivers/net/can/spi/hi311x.c +++ b/drivers/net/can/spi/hi311x.c @@ -770,7 +770,8 @@ static int hi3110_open(struct net_device *net) goto out_close; } =20 - priv->wq =3D alloc_workqueue("hi3110_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM, + priv->wq =3D alloc_workqueue("hi3110_wq", + WQ_FREEZABLE | WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (!priv->wq) { ret =3D -ENOMEM; diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 313e1d241f01..b797e08499d7 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -1378,7 +1378,8 @@ static int mcp251x_can_probe(struct spi_device *spi) if (ret) goto out_clk; =20 - priv->wq =3D alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM, + priv->wq =3D alloc_workqueue("mcp251x_wq", + WQ_FREEZABLE | WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (!priv->wq) { ret =3D -ENOMEM; diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/= ethernet/cavium/liquidio/lio_core.c index 674c54831875..215dac201b4a 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_core.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c @@ -472,7 +472,7 @@ int setup_rx_oom_poll_fn(struct net_device *netdev) q_no =3D lio->linfo.rxpciq[q].s.q_no; wq =3D &lio->rxq_status_wq[q_no]; wq->wq =3D alloc_workqueue("rxq-oom-status", - WQ_MEM_RECLAIM, 0); + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (!wq->wq) { dev_err(&oct->pci_dev->dev, "unable to create cavium rxq oom status wq\= n"); return -ENOMEM; diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/= ethernet/cavium/liquidio/lio_main.c index 1d79f6eaa41f..8e2fcec26ea1 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -526,7 +526,8 @@ static inline int setup_link_status_change_wq(struct ne= t_device *netdev) struct octeon_device *oct =3D lio->oct_dev; =20 lio->link_status_wq.wq =3D alloc_workqueue("link-status", - WQ_MEM_RECLAIM, 0); + WQ_MEM_RECLAIM | WQ_PERCPU, + 0); if (!lio->link_status_wq.wq) { dev_err(&oct->pci_dev->dev, "unable to create cavium link status wq\n"); return -1; @@ -659,7 +660,8 @@ static inline int setup_sync_octeon_time_wq(struct net_= device *netdev) struct octeon_device *oct =3D lio->oct_dev; =20 lio->sync_octeon_time_wq.wq =3D - alloc_workqueue("update-octeon-time", WQ_MEM_RECLAIM, 0); + alloc_workqueue("update-octeon-time", + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (!lio->sync_octeon_time_wq.wq) { dev_err(&oct->pci_dev->dev, "Unable to create wq to update octeon time\n= "); return -1; @@ -1734,7 +1736,7 @@ static inline int setup_tx_poll_fn(struct net_device = *netdev) struct octeon_device *oct =3D lio->oct_dev; =20 lio->txq_status_wq.wq =3D alloc_workqueue("txq-status", - WQ_MEM_RECLAIM, 0); + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (!lio->txq_status_wq.wq) { dev_err(&oct->pci_dev->dev, "unable to create cavium txq status wq\n"); return -1; diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/n= et/ethernet/cavium/liquidio/lio_vf_main.c index 62c2eadc33e3..3230dff5ba05 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -304,7 +304,8 @@ static int setup_link_status_change_wq(struct net_devic= e *netdev) struct octeon_device *oct =3D lio->oct_dev; =20 lio->link_status_wq.wq =3D alloc_workqueue("link-status", - WQ_MEM_RECLAIM, 0); + WQ_MEM_RECLAIM | WQ_PERCPU, + 0); if (!lio->link_status_wq.wq) { dev_err(&oct->pci_dev->dev, "unable to create cavium link status wq\n"); return -1; diff --git a/drivers/net/ethernet/cavium/liquidio/request_manager.c b/drive= rs/net/ethernet/cavium/liquidio/request_manager.c index de8a6ce86ad7..8b8e9953c4ee 100644 --- a/drivers/net/ethernet/cavium/liquidio/request_manager.c +++ b/drivers/net/ethernet/cavium/liquidio/request_manager.c @@ -132,7 +132,7 @@ int octeon_init_instr_queue(struct octeon_device *oct, oct->fn_list.setup_iq_regs(oct, iq_no); =20 oct->check_db_wq[iq_no].wq =3D alloc_workqueue("check_iq_db", - WQ_MEM_RECLAIM, + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (!oct->check_db_wq[iq_no].wq) { vfree(iq->request_list); diff --git a/drivers/net/ethernet/cavium/liquidio/response_manager.c b/driv= ers/net/ethernet/cavium/liquidio/response_manager.c index 861050966e18..de1a8335b545 100644 --- a/drivers/net/ethernet/cavium/liquidio/response_manager.c +++ b/drivers/net/ethernet/cavium/liquidio/response_manager.c @@ -39,7 +39,8 @@ int octeon_setup_response_list(struct octeon_device *oct) } spin_lock_init(&oct->cmd_resp_wqlock); =20 - oct->dma_comp_wq.wq =3D alloc_workqueue("dma-comp", WQ_MEM_RECLAIM, 0); + oct->dma_comp_wq.wq =3D alloc_workqueue("dma-comp", + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (!oct->dma_comp_wq.wq) { dev_err(&oct->pci_dev->dev, "failed to create wq thread\n"); return -ENOMEM; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net= /ethernet/freescale/dpaa2/dpaa2-eth.c index 0f4efd505332..c96d1d6ba8fe 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -4884,7 +4884,7 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni= _dev) priv->tx_tstamp_type =3D HWTSTAMP_TX_OFF; priv->rx_tstamp =3D false; =20 - priv->dpaa2_ptp_wq =3D alloc_workqueue("dpaa2_ptp_wq", 0, 0); + priv->dpaa2_ptp_wq =3D alloc_workqueue("dpaa2_ptp_wq", WQ_PERCPU, 0); if (!priv->dpaa2_ptp_wq) { err =3D -ENOMEM; goto err_wq_alloc; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/driv= ers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index f5457ae0b64f..9d34d28ff168 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -12912,7 +12912,8 @@ static int __init hclge_init(void) { pr_debug("%s is initializing\n", HCLGE_NAME); =20 - hclge_wq =3D alloc_workqueue("%s", WQ_UNBOUND, 0, HCLGE_NAME); + hclge_wq =3D alloc_workqueue("%s", WQ_UNBOUND, 0, + HCLGE_NAME); if (!hclge_wq) { pr_err("%s: failed to create workqueue\n", HCLGE_NAME); return -ENOMEM; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/et= hernet/intel/fm10k/fm10k_main.c index 142f07ca8bc0..b8c15b837fda 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -37,7 +37,7 @@ static int __init fm10k_init_module(void) pr_info("%s\n", fm10k_copyright); =20 /* create driver workqueue */ - fm10k_workqueue =3D alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, + fm10k_workqueue =3D alloc_workqueue("%s", WQ_MEM_RECLAIM | WQ_PERCPU, 0, fm10k_driver_name); if (!fm10k_workqueue) return -ENOMEM; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethe= rnet/intel/i40e/i40e_main.c index b14019d44b58..02fccdbbc288 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -16617,7 +16617,7 @@ static int __init i40e_init_module(void) * since we need to be able to guarantee forward progress even under * memory pressure. */ - i40e_wq =3D alloc_workqueue("%s", 0, 0, i40e_driver_name); + i40e_wq =3D alloc_workqueue("%s", WQ_PERCPU, 0, i40e_driver_name); if (!i40e_wq) { pr_err("%s: Failed to create workqueue\n", i40e_driver_name); return -ENOMEM; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/= ethernet/marvell/octeontx2/af/cgx.c index 0c46ba8a5adc..ca1343f43379 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -2005,7 +2005,7 @@ static int cgx_probe(struct pci_dev *pdev, const stru= ct pci_device_id *id) =20 /* init wq for processing linkup requests */ INIT_WORK(&cgx->cgx_cmd_work, cgx_lmac_linkup_work); - cgx->cgx_cmd_workq =3D alloc_workqueue("cgx_cmd_workq", 0, 0); + cgx->cgx_cmd_workq =3D alloc_workqueue("cgx_cmd_workq", WQ_PERCPU, 0); if (!cgx->cgx_cmd_workq) { dev_err(dev, "alloc workqueue failed for cgx cmd"); err =3D -ENOMEM; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c b/drive= rs/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c index d7030dfa5dad..a80c8e7c94f2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c @@ -913,7 +913,7 @@ int rvu_mcs_init(struct rvu *rvu) /* Initialize the wq for handling mcs interrupts */ INIT_LIST_HEAD(&rvu->mcs_intrq_head); INIT_WORK(&rvu->mcs_intr_work, mcs_intr_handler_task); - rvu->mcs_intr_wq =3D alloc_workqueue("mcs_intr_wq", 0, 0); + rvu->mcs_intr_wq =3D alloc_workqueue("mcs_intr_wq", WQ_PERCPU, 0); if (!rvu->mcs_intr_wq) { dev_err(rvu->dev, "mcs alloc workqueue failed\n"); return -ENOMEM; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/= net/ethernet/marvell/octeontx2/af/rvu_cgx.c index 3303c475414a..3abd750a4bd7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c @@ -315,7 +315,7 @@ static int cgx_lmac_event_handler_init(struct rvu *rvu) spin_lock_init(&rvu->cgx_evq_lock); INIT_LIST_HEAD(&rvu->cgx_evq_head); INIT_WORK(&rvu->cgx_evh_work, cgx_evhandler_task); - rvu->cgx_evh_wq =3D alloc_workqueue("rvu_evh_wq", 0, 0); + rvu->cgx_evh_wq =3D alloc_workqueue("rvu_evh_wq", WQ_PERCPU, 0); if (!rvu->cgx_evh_wq) { dev_err(rvu->dev, "alloc workqueue failed"); return -ENOMEM; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c b/drivers/= net/ethernet/marvell/octeontx2/af/rvu_rep.c index 03099bc570bd..4415d0ce9aef 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c @@ -376,7 +376,7 @@ int rvu_rep_install_mcam_rules(struct rvu *rvu) spin_lock_init(&rvu->rep_evtq_lock); INIT_LIST_HEAD(&rvu->rep_evtq_head); INIT_WORK(&rvu->rep_evt_work, rvu_rep_wq_handler); - rvu->rep_evt_wq =3D alloc_workqueue("rep_evt_wq", 0, 0); + rvu->rep_evt_wq =3D alloc_workqueue("rep_evt_wq", WQ_PERCPU, 0); if (!rvu->rep_evt_wq) { dev_err(rvu->dev, "REP workqueue allocation failed\n"); return -ENOMEM; diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c b/dri= vers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c index c691f0722154..77543d472345 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c @@ -798,7 +798,8 @@ int cn10k_ipsec_init(struct net_device *netdev) pf->ipsec.sa_size =3D sa_size; =20 INIT_WORK(&pf->ipsec.sa_work, cn10k_ipsec_sa_wq_handler); - pf->ipsec.sa_workq =3D alloc_workqueue("cn10k_ipsec_sa_workq", 0, 0); + pf->ipsec.sa_workq =3D alloc_workqueue("cn10k_ipsec_sa_workq", + WQ_PERCPU, 0); if (!pf->ipsec.sa_workq) { netdev_err(pf->netdev, "SA alloc workqueue failed\n"); return -ENOMEM; diff --git a/drivers/net/ethernet/marvell/prestera/prestera_main.c b/driver= s/net/ethernet/marvell/prestera/prestera_main.c index 71ffb55d1fc4..65e7ef033bde 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_main.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_main.c @@ -1500,7 +1500,7 @@ EXPORT_SYMBOL(prestera_device_unregister); =20 static int __init prestera_module_init(void) { - prestera_wq =3D alloc_workqueue("prestera", 0, 0); + prestera_wq =3D alloc_workqueue("prestera", WQ_PERCPU, 0); if (!prestera_wq) return -ENOMEM; =20 diff --git a/drivers/net/ethernet/marvell/prestera/prestera_pci.c b/drivers= /net/ethernet/marvell/prestera/prestera_pci.c index c45d108b2f6d..3e13322470da 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_pci.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_pci.c @@ -898,7 +898,7 @@ static int prestera_pci_probe(struct pci_dev *pdev, =20 dev_info(fw->dev.dev, "Prestera FW is ready\n"); =20 - fw->wq =3D alloc_workqueue("prestera_fw_wq", WQ_HIGHPRI, 1); + fw->wq =3D alloc_workqueue("prestera_fw_wq", WQ_HIGHPRI | WQ_PERCPU, 1); if (!fw->wq) { err =3D -ENOMEM; goto err_wq_alloc; diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ether= net/mellanox/mlxsw/core.c index 980f3223f124..83c7cf3bbea3 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -886,7 +886,7 @@ static int mlxsw_emad_init(struct mlxsw_core *mlxsw_cor= e) if (!(mlxsw_core->bus->features & MLXSW_BUS_F_TXRX)) return 0; =20 - emad_wq =3D alloc_workqueue("mlxsw_core_emad", 0, 0); + emad_wq =3D alloc_workqueue("mlxsw_core_emad", WQ_PERCPU, 0); if (!emad_wq) return -ENOMEM; mlxsw_core->emad_wq =3D emad_wq; @@ -3381,7 +3381,7 @@ static int __init mlxsw_core_module_init(void) if (err) return err; =20 - mlxsw_wq =3D alloc_workqueue(mlxsw_core_driver_name, 0, 0); + mlxsw_wq =3D alloc_workqueue(mlxsw_core_driver_name, WQ_PERCPU, 0); if (!mlxsw_wq) { err =3D -ENOMEM; goto err_alloc_workqueue; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/et= hernet/netronome/nfp/nfp_main.c index 71301dbd8fb5..48390b2fd44d 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c @@ -797,7 +797,7 @@ static int nfp_pci_probe(struct pci_dev *pdev, pf->pdev =3D pdev; pf->dev_info =3D dev_info; =20 - pf->wq =3D alloc_workqueue("nfp-%s", 0, 2, pci_name(pdev)); + pf->wq =3D alloc_workqueue("nfp-%s", WQ_PERCPU, 2, pci_name(pdev)); if (!pf->wq) { err =3D -ENOMEM; goto err_pci_priv_unset; diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ether= net/qlogic/qed/qed_main.c index 886061d7351a..d4685ad4b169 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -1214,7 +1214,8 @@ static int qed_slowpath_wq_start(struct qed_dev *cdev) hwfn =3D &cdev->hwfns[i]; =20 hwfn->slowpath_wq =3D alloc_workqueue("slowpath-%02x:%02x.%02x", - 0, 0, cdev->pdev->bus->number, + WQ_PERCPU, 0, + cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id); =20 diff --git a/drivers/net/ethernet/wiznet/w5100.c b/drivers/net/ethernet/wiz= net/w5100.c index b77f096eaf99..c5424d882135 100644 --- a/drivers/net/ethernet/wiznet/w5100.c +++ b/drivers/net/ethernet/wiznet/w5100.c @@ -1142,7 +1142,7 @@ int w5100_probe(struct device *dev, const struct w510= 0_ops *ops, if (err < 0) goto err_register; =20 - priv->xfer_wq =3D alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, + priv->xfer_wq =3D alloc_workqueue("%s", WQ_MEM_RECLAIM | WQ_PERCPU, 0, netdev_name(ndev)); if (!priv->xfer_wq) { err =3D -ENOMEM; diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 4a4ed2ccf72f..b63965d9a1ba 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1364,14 +1364,15 @@ static int fjes_probe(struct platform_device *plat_= dev) adapter->force_reset =3D false; adapter->open_guard =3D false; =20 - adapter->txrx_wq =3D alloc_workqueue(DRV_NAME "/txrx", WQ_MEM_RECLAIM, 0); + adapter->txrx_wq =3D alloc_workqueue(DRV_NAME "/txrx", + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (unlikely(!adapter->txrx_wq)) { err =3D -ENOMEM; goto err_free_netdev; } =20 adapter->control_wq =3D alloc_workqueue(DRV_NAME "/control", - WQ_MEM_RECLAIM, 0); + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (unlikely(!adapter->control_wq)) { err =3D -ENOMEM; goto err_free_txrx_wq; diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c index 813bd10d3dc7..46a71ec36af8 100644 --- a/drivers/net/wireguard/device.c +++ b/drivers/net/wireguard/device.c @@ -333,7 +333,8 @@ static int wg_newlink(struct net_device *dev, goto err_free_peer_hashtable; =20 wg->handshake_receive_wq =3D alloc_workqueue("wg-kex-%s", - WQ_CPU_INTENSIVE | WQ_FREEZABLE, 0, dev->name); + WQ_CPU_INTENSIVE | WQ_FREEZABLE | WQ_PERCPU, 0, + dev->name); if (!wg->handshake_receive_wq) goto err_free_index_hashtable; =20 @@ -343,7 +344,8 @@ static int wg_newlink(struct net_device *dev, goto err_destroy_handshake_receive; =20 wg->packet_crypt_wq =3D alloc_workqueue("wg-crypt-%s", - WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM, 0, dev->name); + WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_PERCPU, 0, + dev->name); if (!wg->packet_crypt_wq) goto err_destroy_handshake_send; =20 diff --git a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c b/drivers/net/wwan/= t7xx/t7xx_hif_dpmaif_rx.c index 6a7a26085fc7..2310493203d3 100644 --- a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c +++ b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c @@ -1085,7 +1085,8 @@ static void t7xx_dpmaif_bat_release_work(struct work_= struct *work) int t7xx_dpmaif_bat_rel_wq_alloc(struct dpmaif_ctrl *dpmaif_ctrl) { dpmaif_ctrl->bat_release_wq =3D alloc_workqueue("dpmaif_bat_release_work_= queue", - WQ_MEM_RECLAIM, 1); + WQ_MEM_RECLAIM | WQ_PERCPU, + 1); if (!dpmaif_ctrl->bat_release_wq) return -ENOMEM; =20 diff --git a/drivers/net/wwan/wwan_hwsim.c b/drivers/net/wwan/wwan_hwsim.c index b02befd1b6fb..733688cd4607 100644 --- a/drivers/net/wwan/wwan_hwsim.c +++ b/drivers/net/wwan/wwan_hwsim.c @@ -509,7 +509,7 @@ static int __init wwan_hwsim_init(void) if (wwan_hwsim_devsnum < 0 || wwan_hwsim_devsnum > 128) return -EINVAL; =20 - wwan_wq =3D alloc_workqueue("wwan_wq", 0, 0); + wwan_wq =3D alloc_workqueue("wwan_wq", WQ_PERCPU, 0); if (!wwan_wq) return -ENOMEM; =20 diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index d1b5705dc0c6..183c1e0b405a 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -252,7 +252,8 @@ int __init ceph_msgr_init(void) * The number of active work items is limited by the number of * connections, so leave @max_active at default. */ - ceph_msgr_wq =3D alloc_workqueue("ceph-msgr", WQ_MEM_RECLAIM, 0); + ceph_msgr_wq =3D alloc_workqueue("ceph-msgr", + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (ceph_msgr_wq) return 0; =20 diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c index b23594c767f2..026ce9bd9e5e 100644 --- a/net/core/sock_diag.c +++ b/net/core/sock_diag.c @@ -348,7 +348,7 @@ static struct pernet_operations diag_net_ops =3D { =20 static int __init sock_diag_init(void) { - broadcast_wq =3D alloc_workqueue("sock_diag_events", 0, 0); + broadcast_wq =3D alloc_workqueue("sock_diag_events", WQ_PERCPU, 0); BUG_ON(!broadcast_wq); return register_pernet_subsys(&diag_net_ops); } diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index d1cfceeff133..6585164c7059 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -672,7 +672,8 @@ struct rds_ib_mr_pool *rds_ib_create_mr_pool(struct rds= _ib_device *rds_ibdev, =20 int rds_ib_mr_init(void) { - rds_ib_mr_wq =3D alloc_workqueue("rds_mr_flushd", WQ_MEM_RECLAIM, 0); + rds_ib_mr_wq =3D alloc_workqueue("rds_mr_flushd", + WQ_MEM_RECLAIM | WQ_PERCPU, 0); if (!rds_ib_mr_wq) return -ENOMEM; return 0; diff --git a/net/rxrpc/rxperf.c b/net/rxrpc/rxperf.c index 0377301156b0..2ea71e3831f7 100644 --- a/net/rxrpc/rxperf.c +++ b/net/rxrpc/rxperf.c @@ -630,7 +630,7 @@ static int __init rxperf_init(void) =20 pr_info("Server registering\n"); =20 - rxperf_workqueue =3D alloc_workqueue("rxperf", 0, 0); + rxperf_workqueue =3D alloc_workqueue("rxperf", WQ_PERCPU, 0); if (!rxperf_workqueue) goto error_workqueue; =20 diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index a7187e5873ec..9097e4f24d2b 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -3535,15 +3535,15 @@ static int __init smc_init(void) =20 rc =3D -ENOMEM; =20 - smc_tcp_ls_wq =3D alloc_workqueue("smc_tcp_ls_wq", 0, 0); + smc_tcp_ls_wq =3D alloc_workqueue("smc_tcp_ls_wq", WQ_PERCPU, 0); if (!smc_tcp_ls_wq) goto out_pnet; =20 - smc_hs_wq =3D alloc_workqueue("smc_hs_wq", 0, 0); + smc_hs_wq =3D alloc_workqueue("smc_hs_wq", WQ_PERCPU, 0); if (!smc_hs_wq) goto out_alloc_tcp_ls_wq; =20 - smc_close_wq =3D alloc_workqueue("smc_close_wq", 0, 0); + smc_close_wq =3D alloc_workqueue("smc_close_wq", WQ_PERCPU, 0); if (!smc_close_wq) goto out_alloc_hs_wq; =20 diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index e216d237865b..a9e80f44307d 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -896,7 +896,7 @@ static int smc_lgr_create(struct smc_sock *smc, struct = smc_init_info *ini) rc =3D SMC_CLC_DECL_MEM; goto ism_put_vlan; } - lgr->tx_wq =3D alloc_workqueue("smc_tx_wq-%*phN", 0, 0, + lgr->tx_wq =3D alloc_workqueue("smc_tx_wq-%*phN", WQ_PERCPU, 0, SMC_LGR_ID_SIZE, &lgr->id); if (!lgr->tx_wq) { rc =3D -ENOMEM; diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index a82fdcf19969..a64ae15b1a60 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -1412,7 +1412,7 @@ int __init tls_device_init(void) if (!dummy_page) return -ENOMEM; =20 - destruct_wq =3D alloc_workqueue("ktls_device_destruct", 0, 0); + destruct_wq =3D alloc_workqueue("ktls_device_destruct", WQ_PERCPU, 0); if (!destruct_wq) { err =3D -ENOMEM; goto err_free_dummy; diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transp= ort.c index b6569b0ca2bb..8c867023a2e5 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -926,7 +926,7 @@ static int __init virtio_vsock_init(void) { int ret; =20 - virtio_vsock_workqueue =3D alloc_workqueue("virtio_vsock", 0, 0); + virtio_vsock_workqueue =3D alloc_workqueue("virtio_vsock", WQ_PERCPU, 0); if (!virtio_vsock_workqueue) return -ENOMEM; =20 diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c index 6e78927a598e..bc2ff918b315 100644 --- a/net/vmw_vsock/vsock_loopback.c +++ b/net/vmw_vsock/vsock_loopback.c @@ -139,7 +139,7 @@ static int __init vsock_loopback_init(void) struct vsock_loopback *vsock =3D &the_vsock_loopback; int ret; =20 - vsock->workqueue =3D alloc_workqueue("vsock-loopback", 0, 0); + vsock->workqueue =3D alloc_workqueue("vsock-loopback", WQ_PERCPU, 0); if (!vsock->workqueue) return -ENOMEM; =20 --=20 2.51.0