From patchwork Sun Oct 10 07:01:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 12548273 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3FFFC433FE for ; Sun, 10 Oct 2021 07:01:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B962A60F9D for ; Sun, 10 Oct 2021 07:01:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230412AbhJJHDm (ORCPT ); Sun, 10 Oct 2021 03:03:42 -0400 Received: from smtp08.smtpout.orange.fr ([80.12.242.130]:19579 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229916AbhJJHDg (ORCPT ); Sun, 10 Oct 2021 03:03:36 -0400 Received: from pop-os.home ([90.126.248.220]) by mwinf5d27 with ME id 471Z2600n4m3Hzu0371aVc; Sun, 10 Oct 2021 09:01:36 +0200 X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sun, 10 Oct 2021 09:01:36 +0200 X-ME-IP: 90.126.248.220 From: Christophe JAILLET To: thomas.lendacky@amd.com, davem@davemloft.net, kuba@kernel.org, rmody@marvell.com, skalluru@marvell.com, GR-Linux-NIC-Dev@marvell.com, dchickles@marvell.com, sburla@marvell.com, fmanlunas@marvell.com, ajit.khaparde@broadcom.com, sriharsha.basavapatna@broadcom.com, somnath.kotur@broadcom.com, sgoutham@marvell.com, lcherian@marvell.com, gakula@marvell.com, jerinj@marvell.com, hkelam@marvell.com, sbhatta@marvell.com, tariqt@nvidia.com, saeedm@nvidia.com, leon@kernel.org, aelior@marvell.com, GR-everest-linux-l2@marvell.com Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH] ethernet: Remove redundant 'flush_workqueue()' calls Date: Sun, 10 Oct 2021 09:01:32 +0200 Message-Id: <3dadac919f6f4a991953965ddbb975f2586e6ecf.1633848953.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org 'destroy_workqueue()' already drains the queue before destroying it, so there is no need to flush it explicitly. Remove the redundant 'flush_workqueue()' calls. This was generated with coccinelle: @@ expression E; @@ - flush_workqueue(E); destroy_workqueue(E); Signed-off-by: Christophe JAILLET Reviewed-by: Leon Romanovsky #mlx* --- drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 2 -- drivers/net/ethernet/brocade/bna/bnad.c | 1 - drivers/net/ethernet/cavium/liquidio/lio_core.c | 1 - drivers/net/ethernet/emulex/benet/be_main.c | 1 - drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 1 - drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 2 -- drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c | 1 - drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c | 1 - drivers/net/ethernet/mellanox/mlx4/cmd.c | 2 -- drivers/net/ethernet/mellanox/mlx4/en_main.c | 1 - drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c | 1 - drivers/net/ethernet/qlogic/qed/qed_sriov.c | 1 - 12 files changed, 15 deletions(-) diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index b5bf5af8db5f..30d24d19f40d 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1912,10 +1912,8 @@ static int xgbe_close(struct net_device *netdev) clk_disable_unprepare(pdata->ptpclk); clk_disable_unprepare(pdata->sysclk); - flush_workqueue(pdata->an_workqueue); destroy_workqueue(pdata->an_workqueue); - flush_workqueue(pdata->dev_workqueue); destroy_workqueue(pdata->dev_workqueue); set_bit(XGBE_DOWN, &pdata->dev_state); diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index b1947fd9a07c..bbdc829c3524 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -3515,7 +3515,6 @@ static void bnad_uninit(struct bnad *bnad) { if (bnad->work_q) { - flush_workqueue(bnad->work_q); destroy_workqueue(bnad->work_q); bnad->work_q = NULL; } diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c index ec7928b54e4a..73cb03266549 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_core.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c @@ -490,7 +490,6 @@ void cleanup_rx_oom_poll_fn(struct net_device *netdev) wq = &lio->rxq_status_wq[q_no]; if (wq->wq) { cancel_delayed_work_sync(&wq->wk.work); - flush_workqueue(wq->wq); destroy_workqueue(wq->wq); wq->wq = NULL; } diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index ef60e2da05a4..736a6ea86eb1 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -4621,7 +4621,6 @@ static void be_destroy_err_recovery_workq(void) if (!be_err_recovery_workq) return; - flush_workqueue(be_err_recovery_workq); destroy_workqueue(be_err_recovery_workq); be_err_recovery_workq = NULL; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index d379a35c4618..186d00a9ab35 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -1519,7 +1519,6 @@ static int cgx_lmac_exit(struct cgx *cgx) int i; if (cgx->cgx_cmd_workq) { - flush_workqueue(cgx->cgx_cmd_workq); destroy_workqueue(cgx->cgx_cmd_workq); cgx->cgx_cmd_workq = NULL; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 4cb24e91e648..0a1e9f6e216a 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -2399,7 +2399,6 @@ static void rvu_mbox_destroy(struct mbox_wq_info *mw) int devid; if (mw->mbox_wq) { - flush_workqueue(mw->mbox_wq); destroy_workqueue(mw->mbox_wq); mw->mbox_wq = NULL; } @@ -2944,7 +2943,6 @@ static int rvu_register_interrupts(struct rvu *rvu) static void rvu_flr_wq_destroy(struct rvu *rvu) { if (rvu->flr_wq) { - flush_workqueue(rvu->flr_wq); destroy_workqueue(rvu->flr_wq); rvu->flr_wq = NULL; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c index c3842e454657..2ca182a4ce82 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c @@ -324,7 +324,6 @@ static int cgx_lmac_event_handler_init(struct rvu *rvu) static void rvu_cgx_wq_destroy(struct rvu *rvu) { if (rvu->cgx_evh_wq) { - flush_workqueue(rvu->cgx_evh_wq); destroy_workqueue(rvu->cgx_evh_wq); rvu->cgx_evh_wq = NULL; } diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c index 980219a7e6fe..e6cb8cd0787d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c @@ -279,7 +279,6 @@ static void otx2vf_vfaf_mbox_destroy(struct otx2_nic *vf) struct mbox *mbox = &vf->mbox; if (vf->mbox_wq) { - flush_workqueue(vf->mbox_wq); destroy_workqueue(vf->mbox_wq); vf->mbox_wq = NULL; } diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 94ead263081f..e10b7b04b894 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -2480,7 +2480,6 @@ int mlx4_multi_func_init(struct mlx4_dev *dev) return 0; err_thread: - flush_workqueue(priv->mfunc.master.comm_wq); destroy_workqueue(priv->mfunc.master.comm_wq); err_slaves: while (i--) { @@ -2587,7 +2586,6 @@ void mlx4_multi_func_cleanup(struct mlx4_dev *dev) int i, port; if (mlx4_is_master(dev)) { - flush_workqueue(priv->mfunc.master.comm_wq); destroy_workqueue(priv->mfunc.master.comm_wq); for (i = 0; i < dev->num_slaves; i++) { for (port = 1; port <= MLX4_MAX_PORTS; port++) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c index 109472d6b61f..f1259bdb1a29 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c @@ -237,7 +237,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr) if (mdev->pndev[i]) mlx4_en_destroy_netdev(mdev->pndev[i]); - flush_workqueue(mdev->workqueue); destroy_workqueue(mdev->workqueue); (void) mlx4_mr_free(dev, &mdev->mr); iounmap(mdev->uar_map); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c index f9cf9fb31547..da1bec04efff 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -1069,7 +1069,6 @@ void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer) mlx5_fw_tracer_clean_saved_traces_array(tracer); mlx5_fw_tracer_free_strings_db(tracer); mlx5_fw_tracer_destroy_log_buf(tracer); - flush_workqueue(tracer->work_queue); destroy_workqueue(tracer->work_queue); kvfree(tracer); } diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index f88f58ec2a20..8ac38828ba45 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -5224,7 +5224,6 @@ void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first) cancel_delayed_work_sync(&cdev->hwfns[i].iov_task); } - flush_workqueue(cdev->hwfns[i].iov_wq); destroy_workqueue(cdev->hwfns[i].iov_wq); } }