Re: [PATCH net-next V2 03/16] net: fec: pass txq to fec_enet_tx_queue instead of queue_id
From: Zhi Li <hidden>
Date: 2016-03-01 22:26:15
Also in:
linux-arm-kernel
On Tue, Mar 1, 2016 at 3:51 PM, Troy Kisky [off-list ref] wrote:
True, but fec_txq/fec_rxq is called in a loop.
netdev_priv(ndev) is that pointer move. dev + ALIGN(sizeof(struct net_device), NETDEV_ALIGN) Modem compiler can handle it greatly. You can't get any valuable performance gain by that. The main time of CPU is call dma_map_xxx. best regards Frank Li