Re: [PATCH bpf-next 1/8] flow_dissector: Don't grab update-side lock on prog detach from pre_exit

[sdf@xxxxxxxxxx]

On 05/27, Jakub Sitnicki wrote:
> When there are no references to struct net left, that is check_net(net) is
> false, we don't need to synchronize updates to flow_dissector prog with  
> BPF
> prog attach/detach callbacks. That allows us to pull locking up from the
> shared detach routine and into the bpf prog detach callback.

> Signed-off-by: Jakub Sitnicki <jakub@xxxxxxxxxxxxxx>
Reviewed-by: Stanislav Fomichev <sdf@xxxxxxxxxx>