linux-kernel - Re: [PATCH] ipv6: Annotate change of locking mechanism for np->opt

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Message-Id: <20160218.152742.1155043167293398507.davem@davemloft.net>
Date:	Thu, 18 Feb 2016 15:27:42 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	bpoirier@...e.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	eric.dumazet@...il.com, paulmck@...ux.vnet.ibm.com
Subject: Re: [PATCH] ipv6: Annotate change of locking mechanism for np->opt

From: Benjamin Poirier <bpoirier@...e.com>
Date: Wed, 17 Feb 2016 16:20:33 -0800

> follows up commit 45f6fad84cc3 ("ipv6: add complete rcu protection around
> np->opt") which added mixed rcu/refcount protection to np->opt.
> 
> Given the current implementation of rcu_pointer_handoff(), this has no
> effect at runtime.
> 
> Signed-off-by: Benjamin Poirier <bpoirier@...e.com>

Since it has no effect on run-time, applied to net-next, thanks.