On Sat, Aug 21, 2021 at 05:31:08PM -0300, Rafael David Tinoco wrote:
> commit a23740ec43ba022dbfd139d0fe3eff193216272b upstream.
>
> Maps that are read-only both from BPF program side and user space side
> have their contents constant, so verifier can track referenced values
> precisely and use that knowledge for dead code elimination, branch
> pruning, etc. This patch teaches BPF verifier how to do this.
>
> [Backport]
> Already includes further build fix made at commit 2dedd7d21655 ("bpf:
> Fix cast to pointer from integer of different size warning").
Do not do that, let us queue up the original commits instead please.
thanks,
greg k-h
