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

[Peter Zijlstra]

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.
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