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

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Date:   Thu, 23 Mar 2017 15:05:52 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Alexander Duyck <alexander.duyck@...il.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        sridhar.samudrala@...el.com, edumazet@...gle.com,
        davem@...emloft.net, linux-api@...r.kernel.org
Subject: Re: [net-next PATCH v2 1/8] net: Busy polling should ignore sender
 CPUs

On Thu, 2017-03-23 at 14:36 -0700, Alexander Duyck wrote:
> From: Alexander Duyck <alexander.h.duyck@...el.com>
> 
> 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@...el.com>
> ---

Acked-by: Eric Dumazet <edumazet@...gle.com>