netdev - Re: [PATCH net-next v2] packet: fix warnings in rollover lock contention

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Message-Id: <20150514.174136.1751915445355356147.davem@davemloft.net>
Date:	Thu, 14 May 2015 17:41:36 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	willemb@...gle.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net-next v2] packet: fix warnings in rollover lock
 contention

From: Willem de Bruijn <willemb@...gle.com>
Date: Thu, 14 May 2015 15:25:02 -0400

> From: Willem de Bruijn <willemb@...gle.com>
> 
> Avoid two xchg calls whose return values were unused, causing a
> warning on some architectures.
> 
> The relevant variable is a hint and read without mutual exclusion.
> This fix makes all writers hold the receive_queue lock.
> 
> Suggested-by: David S. Miller <davem@...emloft.net>
> Signed-off-by: Willem de Bruijn <willemb@...gle.com>

Looks great, thanks for dealing with the locking problem.
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