Re: [PATCH RFC 1/3] vsock: support sockmap

[Cong Wang]

On Wed, Jan 18, 2023 at 12:27:39PM -0800, Bobby Eshleman wrote:
> +static int vsock_read_skb(struct sock *sk, skb_read_actor_t read_actor)
> +{
> +	struct vsock_sock *vsk = vsock_sk(sk);
> +
> +	if (!vsk->transport)
> +		return -ENODEV;
> +
> +	if (!vsk->transport->read_skb)
> +		return -EOPNOTSUPP;

Can we move these two checks to sockmap update path? It would make
vsock_read_skb() faster.

> +
> +	return vsk->transport->read_skb(vsk, read_actor);
> +}

Essentially can be just this one line.

Thanks.