Messages in this thread | | | Date | Sat, 30 Nov 2013 12:49:05 -0500 (EST) | Subject | Re: [PATCH] ipv6: fix possible seqlock deadlock in ip6_finish_output2 | From | David Miller <> |
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From: Eric Dumazet <eric.dumazet@gmail.com> Date: Sat, 30 Nov 2013 08:45:55 -0800
> 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@gmail.com> >> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> >> --- > > Acked-by: Eric Dumazet <edumazet@google.com> > > (Note that the seqlock is only for 32bit arches)
Applied and queued up for -stable, thanks.
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