Re: [PATCH v3 bpf-next 2/4] libbpf: Add helpers to extract perf fd from bpf_link

[Daniel Xu]

On Mon, Aug 19, 2019, at 10:45 AM, Andrii Nakryiko wrote:
> On Fri, Aug 16, 2019 at 3:32 PM Daniel Xu <dxu@xxxxxxxxx> wrote:
> >
> > It is sometimes necessary to perform ioctl's on the underlying perf fd.
> > There is not currently a way to extract the fd given a bpf_link, so add a
> > a pair of casting and getting helpers.
> >
> > The casting and getting helpers are nice because they let us define
> > broad categories of links that makes it clear to users what they can
> > expect to extract from what type of link.
> >
> > Acked-by: Song Liu <songliubraving@xxxxxx>
> > Signed-off-by: Daniel Xu <dxu@xxxxxxxxx>
> > ---
> 
> This looks great, thanks a lot!
> 
> I think you might have a conflict with dadb81d0afe7 ("libbpf: make
> libbpf.map source of truth for libbpf version") in libbpf.map, so you
> might need to pull, rebase and re-post rebased version. But in any
> case:
> 

The patchset is already rebased on top :). Thanks for the tip.

Daniel