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