[PATCH net] net: fealnx: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
From: Yang Wei <hidden>
Date: 2019-02-12 16:18:00
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Yang Wei <redacted> dev_consume_skb_irq() should be called in intr_handler() when skb xmit done. It makes drop profiles(dropwatch, perf) more friendly. Signed-off-by: Yang Wei <redacted> --- drivers/net/ethernet/fealnx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/fealnx.c b/drivers/net/ethernet/fealnx.c
index ae55da6..c24fd56 100644
--- a/drivers/net/ethernet/fealnx.c
+++ b/drivers/net/ethernet/fealnx.c@@ -1531,7 +1531,7 @@ static irqreturn_t intr_handler(int irq, void *dev_instance) /* Free the original skb. */ pci_unmap_single(np->pci_dev, np->cur_tx->buffer, np->cur_tx->skbuff->len, PCI_DMA_TODEVICE); - dev_kfree_skb_irq(np->cur_tx->skbuff); + dev_consume_skb_irq(np->cur_tx->skbuff); np->cur_tx->skbuff = NULL; --np->really_tx_count; if (np->cur_tx->control & TXLD) {
--
2.7.4