On Mon, Jul 30, 2018 at 03:23:06PM -0700, Eric Dumazet wrote:

On 07/30/2018 12:45 AM, Christoph Hellwig wrote:

quoted

We never use RCU protection for it, just a lot of cargo-cult
rcu_deference_protects calls.

Note that we do keep the kfree_rcu call for it, as the references through
struct sock are RCU protected and thus might require a grace period before
freeing.

Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Eric Dumazet <edumazet@google.com>

Acked-by: Paul E. McKenney <redacted>