netdev - socket poll related cleanups v2

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Message-Id: <20180730074507.17037-1-hch@lst.de>
Date:   Mon, 30 Jul 2018 09:45:06 +0200
From:   Christoph Hellwig <hch@....de>
To:     Eric Dumazet <edumazet@...gle.com>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: socket poll related cleanups v2

Eric, Paul,

can you please look over the patch below?  The RCU annotations here don't
make any sense as we never RCU access through the annotated pointer (
we do access the underlying object through RCU and thus need to RCU free,
but that is a different story).  Dave doesn't seem to be convinced,
though.