On Tue, 2018-03-06 at 08:50 -0800, Eric Dumazet wrote:
> But... what is this synchronize_rcu() doing exactly ?
> This was added in 8571ab479a6e1ef46ead5ebee567e128a422767c
> ("ip6mr: Make mroute_sk rcu-based")
> Typically on a delete, the synchronize_rcu() would be needed before
> freeing the deleted object.
> But nowadays we have better way : SOCK_RCU_FREE

To be clear, your patch is fine Kirill,

I am only sad seeing one can add a synchronize_rcu() in hot path
without anyone complaining during code review.

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

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