target/linux/mediatek/patches-4.9/0094-net-affinity.patch

   1 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
   2 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
   3 @@ -2459,15 +2459,23 @@ static int mtk_probe(struct platform_dev
   4                         goto err_deinit_hw;
   5         }
   6
   7 +       for (i = 0; i < 3; i++) {
   8 +               int cpu = i % num_online_cpus();
   9 +
  10 +               cpumask_set_cpu(cpu, &eth->affinity_mask[i]);
  11 +       }
  12 +
  13         err = devm_request_irq(eth->dev, eth->irq[1], mtk_handle_irq_tx, 0,
  14                                dev_name(eth->dev), eth);
  15         if (err)
  16                 goto err_free_dev;
  17 +       irq_set_affinity_hint(eth->irq[1], &eth->affinity_mask[1]);
  18
  19         err = devm_request_irq(eth->dev, eth->irq[2], mtk_handle_irq_rx, 0,
  20                                dev_name(eth->dev), eth);
  21         if (err)
  22                 goto err_free_dev;
  23 +       irq_set_affinity_hint(eth->irq[2], &eth->affinity_mask[2]);
  24
  25         err = mtk_mdio_init(eth);
  26         if (err)
  27 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
  28 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
  29 @@ -539,6 +539,7 @@ struct mtk_eth {
  30         struct net_device               *netdev[MTK_MAX_DEVS];
  31         struct mtk_mac                  *mac[MTK_MAX_DEVS];
  32         int                             irq[3];
  33 +       cpumask_t                       affinity_mask[3];
  34         u32                             msg_enable;
  35         unsigned long                   sysclk;
  36         struct regmap                   *ethsys;