Re: [PATCH] ipv6: fix possible seqlock deadlock inip6_finish_output2

[Eric Dumazet]

On Fri, 2013-11-29 at 06:39 +0100, Hannes Frederic Sowa wrote:
> IPv6 stats are 64 bits and thus are protected with a seqlock. By not
> disabling bottom-half we could deadlock here if we don't disable bh and
> a softirq reentrantly updates the same mib.
> 
> Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> Signed-off-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
> ---

Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>

(Note that the seqlock is only for 32bit arches)


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