netdev - Re: [PATCH net] sock: sock_dequeue_err

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Message-Id: <20150220.155322.301911552130546662.davem@davemloft.net>
Date:	Fri, 20 Feb 2015 15:53:22 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, willemb@...gle.com
Subject: Re: [PATCH net] sock: sock_dequeue_err_skb() needs hard irq safety

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 18 Feb 2015 05:47:55 -0800

> From: Eric Dumazet <edumazet@...gle.com>
> 
> Non NAPI drivers can call skb_tstamp_tx() and then sock_queue_err_skb()
> from hard IRQ context.
> 
> Therefore, sock_dequeue_err_skb() needs to block hard irq or
> corruptions or hangs can happen.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Fixes: 364a9e93243d1 ("sock: deduplicate errqueue dequeue")
> Fixes: cb820f8e4b7f7 ("net: Provide a generic socket error queue delivery method for Tx time stamps.")

Applied and queued up for -stable, thanks Eric.
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