[PATCH net-next V2 03/16] net: fec: pass txq to fec_enet_tx_queue instead of queue_id

Troy Kisky troy.kisky at boundarydevices.com
Tue Mar 1 14:43:01 PST 2016


On 3/1/2016 3:26 PM, Zhi Li wrote:
> On Tue, Mar 1, 2016 at 3:51 PM, Troy Kisky
> <troy.kisky at boundarydevices.com> 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
> 

Ok, I'll revert that part.



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