Re: [PATCH bpf-next] bpf: no longer acquire map_idr_lock in bpf_map_inc_not_zero()

[Stanislav Fomichev <stfomichev@xxxxxxxxx>]

On 03/01, Eric Dumazet wrote:
> bpf_sk_storage_clone() is the only caller of bpf_map_inc_not_zero()
> and is holding rcu_read_lock().
> 
> map_idr_lock does not add any protection, just remove the cost
> for passive TCP flows.
> 
> Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Acked-by: Stanislav Fomichev <sdf@xxxxxxxxxxx>