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

[Alexei Starovoitov]

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.

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