From: Hannes Frederic Sowa <hannes@stressinduktion•org>
To: Eric Dumazet <eric.dumazet@gmail•com>,
Dave Jones <davej@codemonkey•org.uk>
Cc: netdev@vger•kernel.org
Subject: Re: [PATCH net] ipv6: fix a lockdep splat
Date: Wed, 3 Feb 2016 09:39:17 +0100 [thread overview]
Message-ID: <56B1BCB5.6040601@stressinduktion.org> (raw)
In-Reply-To: <1454464501.7627.210.camel@edumazet-glaptop2.roam.corp.google.com>
On 03.02.2016 02:55, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@google•com>
>
> Silence lockdep false positive about rcu_dereference() being
> used in the wrong context.
>
> First one should use rcu_dereference_protected() as we own the spinlock.
>
> Second one should be a normal assignation, as no barrier is needed.
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion•org>
next prev parent reply other threads:[~2016-02-03 8:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-02 19:59 net/ipv6/ip6_flowlabel.c:543 suspicious rcu_dereference_check() usage! Dave Jones
2016-02-03 1:55 ` [PATCH net] ipv6: fix a lockdep splat Eric Dumazet
2016-02-03 8:39 ` Hannes Frederic Sowa [this message]
2016-02-08 15:46 ` David Miller
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