On Fri, 15 Aug 2025 15:02:06 +1000 alistair23@xxxxxxxxx wrote:
> As part of supporting KeyUpdate we are going to pass errors up to the
> callers of TLS to indaicate a KeyUpdate. Those layers will need to handle
> the KeyUpdate and as part of that clear the error.
> +static inline void tls_clear_err(struct sock *sk)
> +{
> + WRITE_ONCE(sk->sk_err, 0);
> + /* Paired with smp_rmb() in tcp_poll() */
> + smp_wmb();
Please explain how the key error ends up recorded on the socket.
