Re: [PATCH net-next V6 2/2] net/mlx4_en: Use affinity hint

[Eric Dumazet]

On Sun, 2014-05-25 at 17:47 +0300, Amir Vadai wrote:
> From: Yuval Atias <yuvala@xxxxxxxxxxxx>
> 
> The âaffinity hintâ mechanism is used by the user space
> daemon, irqbalancer, to indicate a preferred CPU mask for irqs.
> Irqbalancer can use this hint to balance the irqs between the
> cpus indicated by the mask.
> 
> We wish the HCA to preferentially map the IRQs it uses to numa cores
> close to it.  To accomplish this, we use cpumask_set_cpu_local_first(), that
> sets the affinity hint according the following policy:
> First it maps IRQs to âcloseâ numa cores.  If these are exhausted, the
> remaining IRQs are mapped to âfarâ numa cores.
> 
> Signed-off-by: Yuval Atias <yuvala@xxxxxxxxxxxx>
> Signed-off-by: Amir Vadai <amirv@xxxxxxxxxxxx>
> ---

  CC [M]  drivers/net/ethernet/mellanox/mlx4/en_netdev.o
drivers/net/ethernet/mellanox/mlx4/en_netdev.c: In function âmlx4_en_init_affinity_hintâ:
drivers/net/ethernet/mellanox/mlx4/en_netdev.c:1546:23: error: incompatible types when assigning to type âcpumask_var_tâ from type âvoid *â
drivers/net/ethernet/mellanox/mlx4/en_netdev.c: In function âmlx4_en_free_affinity_hintâ:
drivers/net/ethernet/mellanox/mlx4/en_netdev.c:1553:41: error: incompatible types when assigning to type âcpumask_var_tâ from type âvoid *â


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