Re: [patch 23/30] net/mlx5: Use effective interrupt affinity
From: Saeed Mahameed
Date: Mon Dec 14 2020 - 16:02:04 EST
On Thu, 2020-12-10 at 20:25 +0100, Thomas Gleixner wrote:
> Using the interrupt affinity mask for checking locality is not really
> working well on architectures which support effective affinity masks.
>
> The affinity mask is either the system wide default or set by user
> space,
> but the architecture can or even must reduce the mask to the
> effective set,
> which means that checking the affinity mask itself does not really
> tell
> about the actual target CPUs.
>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Saeed Mahameed <saeedm@xxxxxxxxxx>
> Cc: Leon Romanovsky <leon@xxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Jakub Kicinski <kuba@xxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> Cc: linux-rdma@xxxxxxxxxxxxxxx
>
Acked-by: Saeed Mahameed <saeedm@xxxxxxxxxx>