On Wed, May 13, 2020 at 11:02:15AM -0700, Yonghong Song wrote:
> Commit ae24345da54e ("bpf: Implement an interface to register
> bpf_iter targets") and its subsequent commits in the same patch set
> introduced bpf iterator, a way to run bpf program when iterating
> kernel data structures.
>
> This patch set addressed some followup issues. One big change
> is to allow target to pass ctx arg register types to verifier
> for verification purpose. Please see individual patch for details.
>
> Changelogs:
> v1 -> v2:
> . add "const" qualifier to struct bpf_iter_reg for
> bpf_iter_[un]reg_target, and this results in
> additional "const" qualifiers in some other places
> . drop the patch which will issue WARN_ONCE if
> seq_ops->show() returns a positive value.
> If this does happen, code review should spot
> this or author does know what he is doing.
> In the future, we do want to implement a
> mechanism to find out all registered targets
> so we will be aware of new additions.
Applied, Thanks
