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Re: [PATCH net-next 1/2] perf, bpf: add support for HW_CACHE and RAW events

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On Mon, May 22, 2017 at 03:48:39PM -0700, Alexei Starovoitov wrote:
> From: Teng Qin <qinteng@fb.com>
> 
> This commit adds support for attach BPF program to RAW and HW_CACHE type
> events, and support for read HW_CACHE type event counters in BPF
> program. Existing code logic already supports them, so this commit is
> just update Enum value checks.

So what I'm missing is why they were not supported previously, and what
changed to allow it now.

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[PATCH net-next 0/2] perf, bpf: add support for HW_CACHE and RAW events Alexei Starovoitov <ast@fb.com> - 2017-05-23 00:50 +0200
  [PATCH net-next 1/2] perf, bpf: add support for HW_CACHE and RAW events Alexei Starovoitov <ast@fb.com> - 2017-05-23 00:50 +0200
    Re: [PATCH net-next 1/2] perf, bpf: add support for HW_CACHE and RAW  events Peter Zijlstra <peterz@infradead.org> - 2017-05-23 09:50 +0200
      Re: [PATCH net-next 1/2] perf, bpf: add support for HW_CACHE and RAW  events Peter Zijlstra <peterz@infradead.org> - 2017-05-23 18:40 +0200
  [PATCH net-next 2/2] samples/bpf: add samples for HW_CACHE / RAW events Alexei Starovoitov <ast@fb.com> - 2017-05-23 00:50 +0200
    Re: [PATCH net-next 2/2] samples/bpf: add samples for HW_CACHE /  RAW events David Miller <davem@davemloft.net> - 2017-05-23 01:30 +0200
      Re: [PATCH net-next 2/2] samples/bpf: add samples for HW_CACHE /  RAW events David Miller <davem@davemloft.net> - 2017-05-23 01:50 +0200

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