Re: [net-next PATCH v2 1/8] net: Busy polling should ignore sender CPUs

From: Eric Dumazet
Date: Thu Mar 23 2017 - 18:06:06 EST


On Thu, 2017-03-23 at 14:36 -0700, Alexander Duyck wrote:
> From: Alexander Duyck <alexander.h.duyck@xxxxxxxxx>
>
> This patch is a cleanup/fix for NAPI IDs following the changes that made it
> so that sender_cpu and napi_id were doing a better job of sharing the same
> location in the sk_buff.
>
> One issue I found is that we weren't validating the napi_id as being valid
> before we started trying to setup the busy polling. This change corrects
> that by using the MIN_NAPI_ID value that is now used in both allocating the
> NAPI IDs, as well as validating them.
>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@xxxxxxxxx>
> ---

Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>