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[93.34.89.13]) by smtp.googlemail.com with ESMTPSA id k15-20020a7bc40f000000b004013797efb6sm10147400wmi.9.2023.10.03.11.36.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Oct 2023 11:36:42 -0700 (PDT) From: Christian Marangi To: Jason Gunthorpe , Leon Romanovsky , Wolfgang Grandegger , Marc Kleine-Budde , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Chris Snook , Raju Rangoju , Jeroen de Borst , Praveen Kaligineedi , Shailend Chand , Douglas Miller , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Nick Child , Haren Myneni , Rick Lindsley , Dany Madden , Thomas Falcon , Tariq Toukan , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Krzysztof Halasa , Kalle Valo , Jeff Johnson , Gregory Greenman , Chandrashekar Devegowda , Intel Corporation , Chiranjeevi Rapolu , Liu Haijun , M Chetan Kumar , Ricardo Martinez , Loic Poulain , Sergey Ryazanov , Johannes Berg , Christian Marangi , Yuanjun Gong , Simon Horman , Rob Herring , Ziwei Xiao , Rushil Gupta , Coco Li , Thomas Gleixner , Junfeng Guo , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Wei Fang , Krzysztof Kozlowski , Yuri Karpov , Zhengchao Shao , Andrew Lunn , Zheng Zengkai , Lee Jones , Maximilian Luz , "Rafael J. Wysocki" , Dawei Li , Anjaneyulu , Benjamin Berg , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, linux-can@vger.kernel.org, netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, ath10k@lists.infradead.org, linux-wireless@vger.kernel.org Subject: [net-next PATCH v2 3/4] netdev: replace napi_reschedule with napi_schedule Date: Tue, 3 Oct 2023 16:51:49 +0200 Message-Id: <20231003145150.2498-3-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231003145150.2498-1-ansuelsmth@gmail.com> References: <20231003145150.2498-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Wed, 04 Oct 2023 09:50:30 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Now that napi_schedule return a bool, we can drop napi_reschedule that does the same exact function. The function comes from a very old commit bfe13f54f502 ("ibm_emac: Convert to use napi_struct independent of struct net_device") and the purpose is actually deprecated in favour of different logic. Convert every user of napi_reschedule to napi_schedule. Signed-off-by: Christian Marangi Acked-by: Jeff Johnson # ath10k Acked-by: Nick Child # ibm Acked-by: Marc Kleine-Budde # for can/dev/rx-offload.c --- Changes v2: - Add ack tag --- drivers/infiniband/ulp/ipoib/ipoib_ib.c | 4 ++-- drivers/net/can/dev/rx-offload.c | 2 +- drivers/net/ethernet/chelsio/cxgb4/sge.c | 2 +- drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 2 +- drivers/net/ethernet/ezchip/nps_enet.c | 2 +- drivers/net/ethernet/google/gve/gve_main.c | 2 +- drivers/net/ethernet/ibm/ehea/ehea_main.c | 2 +- drivers/net/ethernet/ibm/emac/mal.c | 2 +- drivers/net/ethernet/ibm/ibmveth.c | 2 +- drivers/net/ethernet/ibm/ibmvnic.c | 2 +- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 2 +- drivers/net/ethernet/ni/nixge.c | 2 +- drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c | 2 +- drivers/net/ethernet/xscale/ixp4xx_eth.c | 4 ++-- drivers/net/fjes/fjes_main.c | 2 +- drivers/net/wan/ixp4xx_hss.c | 4 ++-- drivers/net/wireless/ath/ath10k/pci.c | 2 +- drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c | 2 +- include/linux/netdevice.h | 10 ---------- 19 files changed, 21 insertions(+), 31 deletions(-) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index ed25061fac62..7f84d9866cef 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -488,7 +488,7 @@ int ipoib_rx_poll(struct napi_struct *napi, int budget) if (unlikely(ib_req_notify_cq(priv->recv_cq, IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS)) && - napi_reschedule(napi)) + napi_schedule(napi)) goto poll_more; } @@ -518,7 +518,7 @@ int ipoib_tx_poll(struct napi_struct *napi, int budget) napi_complete(napi); if (unlikely(ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS)) && - napi_reschedule(napi)) + napi_schedule(napi)) goto poll_more; } return n < 0 ? 0 : n; diff --git a/drivers/net/can/dev/rx-offload.c b/drivers/net/can/dev/rx-offload.c index 77091f7d1fa7..46e7b6db4a1e 100644 --- a/drivers/net/can/dev/rx-offload.c +++ b/drivers/net/can/dev/rx-offload.c @@ -67,7 +67,7 @@ static int can_rx_offload_napi_poll(struct napi_struct *napi, int quota) /* Check if there was another interrupt */ if (!skb_queue_empty(&offload->skb_queue)) - napi_reschedule(&offload->napi); + napi_schedule(&offload->napi); } return work_done; diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 98dd78551d89..b5ff2e1a9975 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -4261,7 +4261,7 @@ static void sge_rx_timer_cb(struct timer_list *t) if (fl_starving(adap, fl)) { rxq = container_of(fl, struct sge_eth_rxq, fl); - if (napi_reschedule(&rxq->rspq.napi)) + if (napi_schedule(&rxq->rspq.napi)) fl->starving++; else set_bit(id, s->starving_fl); diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index 2d0cf76fb3c5..5b1d746e6563 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -2094,7 +2094,7 @@ static void sge_rx_timer_cb(struct timer_list *t) struct sge_eth_rxq *rxq; rxq = container_of(fl, struct sge_eth_rxq, fl); - if (napi_reschedule(&rxq->rspq.napi)) + if (napi_schedule(&rxq->rspq.napi)) fl->starving++; else set_bit(id, s->starving_fl); diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c index edf000e7bab4..4d7184d46824 100644 --- a/drivers/net/ethernet/ezchip/nps_enet.c +++ b/drivers/net/ethernet/ezchip/nps_enet.c @@ -198,7 +198,7 @@ static int nps_enet_poll(struct napi_struct *napi, int budget) */ if (nps_enet_is_tx_pending(priv)) { nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0); - napi_reschedule(napi); + napi_schedule(napi); } } diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c index 83b09dcfafc4..276f996f95dc 100644 --- a/drivers/net/ethernet/google/gve/gve_main.c +++ b/drivers/net/ethernet/google/gve/gve_main.c @@ -281,7 +281,7 @@ static int gve_napi_poll(struct napi_struct *napi, int budget) if (block->rx) reschedule |= gve_rx_work_pending(block->rx); - if (reschedule && napi_reschedule(napi)) + if (reschedule && napi_schedule(napi)) iowrite32be(GVE_IRQ_MASK, irq_doorbell); } return work_done; diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 251dedd55cfb..1e29e5c9a2df 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -900,7 +900,7 @@ static int ehea_poll(struct napi_struct *napi, int budget) if (!cqe && !cqe_skb) return rx; - if (!napi_reschedule(napi)) + if (!napi_schedule(napi)) return rx; cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES); diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c index 462646d1b817..2439f7e96e05 100644 --- a/drivers/net/ethernet/ibm/emac/mal.c +++ b/drivers/net/ethernet/ibm/emac/mal.c @@ -442,7 +442,7 @@ static int mal_poll(struct napi_struct *napi, int budget) if (unlikely(mc->ops->peek_rx(mc->dev) || test_bit(MAL_COMMAC_RX_STOPPED, &mc->flags))) { MAL_DBG2(mal, "rotting packet" NL); - if (!napi_reschedule(napi)) + if (!napi_schedule(napi)) goto more_work; spin_lock_irqsave(&mal->lock, flags); diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 832a2ae01950..9490272c0421 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1433,7 +1433,7 @@ static int ibmveth_poll(struct napi_struct *napi, int budget) BUG_ON(lpar_rc != H_SUCCESS); if (ibmveth_rxq_pending_buffer(adapter) && - napi_reschedule(napi)) { + napi_schedule(napi)) { lpar_rc = h_vio_signal(adapter->vdev->unit_address, VIO_IRQ_DISABLE); } diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index cdf5251e5679..2094f413cbe4 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -3519,7 +3519,7 @@ static int ibmvnic_poll(struct napi_struct *napi, int budget) if (napi_complete_done(napi, frames_processed)) { enable_scrq_irq(adapter, rx_scrq); if (pending_scrq(adapter, rx_scrq)) { - if (napi_reschedule(napi)) { + if (napi_schedule(napi)) { disable_scrq_irq(adapter, rx_scrq); goto restart_poll; } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 332472fe4990..a09b6e05337d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -400,7 +400,7 @@ void mlx4_en_recover_from_oom(struct mlx4_en_priv *priv) for (ring = 0; ring < priv->rx_ring_num; ring++) { if (mlx4_en_is_ring_empty(priv->rx_ring[ring])) { local_bh_disable(); - napi_reschedule(&priv->rx_cq[ring]->napi); + napi_schedule(&priv->rx_cq[ring]->napi); local_bh_enable(); } } diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c index f71a4f8bbb89..fa1f78b03cb2 100644 --- a/drivers/net/ethernet/ni/nixge.c +++ b/drivers/net/ethernet/ni/nixge.c @@ -683,7 +683,7 @@ static int nixge_poll(struct napi_struct *napi, int budget) if (status & (XAXIDMA_IRQ_IOC_MASK | XAXIDMA_IRQ_DELAY_MASK)) { /* If there's more, reschedule, but clear */ nixge_dma_write_reg(priv, XAXIDMA_RX_SR_OFFSET, status); - napi_reschedule(napi); + napi_schedule(napi); } else { /* if not, turn on RX IRQs again ... */ cr = nixge_dma_read_reg(priv, XAXIDMA_RX_CR_OFFSET); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c index f9e43fc32ee8..3ca1c2a816ff 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c @@ -802,7 +802,7 @@ static int stmmac_test_flowctrl(struct stmmac_priv *priv) stmmac_start_rx(priv, priv->ioaddr, i); local_bh_disable(); - napi_reschedule(&ch->rx_napi); + napi_schedule(&ch->rx_napi); local_bh_enable(); } diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index b242aa61d8ab..64dea4ad2ad3 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -714,9 +714,9 @@ static int eth_poll(struct napi_struct *napi, int budget) napi_complete(napi); qmgr_enable_irq(rxq); if (!qmgr_stat_below_low_watermark(rxq) && - napi_reschedule(napi)) { /* not empty again */ + napi_schedule(napi)) { /* not empty again */ #if DEBUG_RX - netdev_debug(dev, "eth_poll napi_reschedule succeeded\n"); + netdev_debug(dev, "eth_poll napi_schedule succeeded\n"); #endif qmgr_disable_irq(rxq); continue; diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 2513be6d4e11..cd8cf08477ec 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1030,7 +1030,7 @@ static int fjes_poll(struct napi_struct *napi, int budget) } if (((long)jiffies - (long)adapter->rx_last_jiffies) < 3) { - napi_reschedule(napi); + napi_schedule(napi); } else { spin_lock(&hw->rx_status_lock); for (epidx = 0; epidx < hw->max_epid; epidx++) { diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c index e46b7f5ee49e..b09f4c235142 100644 --- a/drivers/net/wan/ixp4xx_hss.c +++ b/drivers/net/wan/ixp4xx_hss.c @@ -687,10 +687,10 @@ static int hss_hdlc_poll(struct napi_struct *napi, int budget) napi_complete(napi); qmgr_enable_irq(rxq); if (!qmgr_stat_empty(rxq) && - napi_reschedule(napi)) { + napi_schedule(napi)) { #if DEBUG_RX printk(KERN_DEBUG "%s: hss_hdlc_poll" - " napi_reschedule succeeded\n", + " napi_schedule succeeded\n", dev->name); #endif qmgr_disable_irq(rxq); diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 23f366221939..2f8c785277af 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -3148,7 +3148,7 @@ static int ath10k_pci_napi_poll(struct napi_struct *ctx, int budget) * immediate servicing. */ if (ath10k_ce_interrupt_summary(ar)) { - napi_reschedule(ctx); + napi_schedule(ctx); goto out; } ath10k_pci_enable_legacy_irq(ar); diff --git a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c index f4ff2198b5ef..210d84c67ef9 100644 --- a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c +++ b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c @@ -852,7 +852,7 @@ int t7xx_dpmaif_napi_rx_poll(struct napi_struct *napi, const int budget) if (!ret) { napi_complete_done(napi, work_done); rxq->sleep_lock_pending = true; - napi_reschedule(napi); + napi_schedule(napi); return work_done; } diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 2bead8e2a14d..bbf9038f2afd 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -516,16 +516,6 @@ static inline void napi_schedule_irqoff(struct napi_struct *n) __napi_schedule_irqoff(n); } -/* Try to reschedule poll. Called by dev->poll() after napi_complete(). */ -static inline bool napi_reschedule(struct napi_struct *napi) -{ - if (napi_schedule_prep(napi)) { - __napi_schedule(napi); - return true; - } - return false; -} - /** * napi_complete_done - NAPI processing complete * @n: NAPI context -- 2.40.1