Re: [PATCH net-next 2/3] bpf: introduce bpf_perf_event_output() helper

[Wangnan (F)]

On 2015/10/24 1:25, Alexei Starovoitov wrote:
> On 10/23/15 9:42 AM, Peter Zijlstra wrote:
> > On Fri, Oct 23, 2015 at 08:02:00AM -0700, Alexei Starovoitov wrote:
> > > On 10/23/15 7:39 AM, Peter Zijlstra wrote:
> > > > On Tue, Oct 20, 2015 at 08:02:34PM -0700, Alexei Starovoitov wrote:
> > > > > > +static const struct bpf_func_proto bpf_perf_event_output_proto = {
> > > > > > +    .func        = bpf_perf_event_output,
> > > > > > +    .gpl_only    = false,
> > > > Oh ?
> > >
> > > no particular reason. key helper bpf_probe_read() is gpl, so all
> > > bpf for tracing progs have to be gpl.
> > > If you feel strongly about it, I can change it.
> >
> > All the perf symbols are export GPL, so I suppose this should be true.
>
> ok. will send a patch.

Can we (or have we already) setup some rules for licensing? Which part
should be GPL? Who has the response to decide it?

Thank you.


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