[Intel-wired-lan] [PATCH bpf-next 2/4] xsk: allow AF_XDP sockets to receive packets directly from a queue

[Björn Töpel]

On Tue, 8 Oct 2019 at 10:47, Björn Töpel <bjorn.topel at gmail.com> wrote:
>
[...]
>
> The dependent-read-barrier in READ_ONCE? Another branch -- leave that
> to the branch-predictor already! ;-) No, you're right, performance
> impact here is interesting. I guess the same static_branch could be
> used here as well...
>

...and I think the READ_ONCE can be omitted.