netdev - [PATCH net] net: sis: replace dev_kfree_skb_irq by dev_consume_skb

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Message-Id: <1549987144-5333-1-git-send-email-albin_yang@163.com>
Date:   Tue, 12 Feb 2019 23:59:04 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     romieu@...zoreil.com, davem@...emloft.net, venza@...wnhat.org,
        yang.wei9@....com.cn, albin_yang@....com
Subject: [PATCH net] net: sis: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

From: Yang Wei <yang.wei9@....com.cn>

dev_consume_skb_irq() should be called when skb xmit done. It makes
drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@....com.cn>
---
 drivers/net/ethernet/sis/sis190.c | 2 +-
 drivers/net/ethernet/sis/sis900.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/sis/sis190.c b/drivers/net/ethernet/sis/sis190.c
index 808cf98..5b351be 100644
--- a/drivers/net/ethernet/sis/sis190.c
+++ b/drivers/net/ethernet/sis/sis190.c
@@ -714,7 +714,7 @@ static void sis190_tx_interrupt(struct net_device *dev,
 
 		sis190_unmap_tx_skb(tp->pci_dev, skb, txd);
 		tp->Tx_skbuff[entry] = NULL;
-		dev_kfree_skb_irq(skb);
+		dev_consume_skb_irq(skb);
 	}
 
 	if (tp->dirty_tx != dirty_tx) {
diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c
index 4bb89f7..6073387 100644
--- a/drivers/net/ethernet/sis/sis900.c
+++ b/drivers/net/ethernet/sis/sis900.c
@@ -1927,7 +1927,7 @@ static void sis900_finish_xmit (struct net_device *net_dev)
 		pci_unmap_single(sis_priv->pci_dev,
 			sis_priv->tx_ring[entry].bufptr, skb->len,
 			PCI_DMA_TODEVICE);
-		dev_kfree_skb_irq(skb);
+		dev_consume_skb_irq(skb);
 		sis_priv->tx_skbuff[entry] = NULL;
 		sis_priv->tx_ring[entry].bufptr = 0;
 		sis_priv->tx_ring[entry].cmdsts = 0;
-- 
2.7.4