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Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific configuration

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On Wed, 10 Aug 2016, Mathieu Poirier wrote:
> 
> After a little bit of digging around I understand that manpages have
> to be written _after_ the new ioctl call has been added - at least
> that's what I deduce when looking at what Vince Weaver did for the BPF
> support:

The manpage patch doesn't get applied until a feature hits a release 
kernel (because sometimes features are backed out at the last minute).

It is good to have a manpage update ready at the time of your initial 
patch submission though for a variety of reasons

1. It helps the patch reviewers see what ABI change is being proposed
2. It is better to catch mistakes in the ABI early rather than trying
	to fix them after it's hit a released kernel and it's too late
3. By the time the kernel is released, you might have forgotten details
	about the change, or moved on to other things, and then it's up
	to me to try to figure out the purpose of the change and
	unfortunately this isn't always obvious from the git commit logs.

Vince

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[PATCH V3 0/6] perf: Driver specific configuration for PMU Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-28 23:50 +0200
  [PATCH V3 1/6] perf/core: Adding PMU driver specific configuration Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-28 23:50 +0200
    Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific  configuration Peter Zijlstra <peterz@infradead.org> - 2016-08-04 19:00 +0200
      Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific configuration Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-05 17:40 +0200
        Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific  configuration Peter Zijlstra <peterz@infradead.org> - 2016-08-05 18:00 +0200
          Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific configuration Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-11 01:10 +0200
            Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific  configuration Vince Weaver <vince@deater.net> - 2016-08-11 05:30 +0200
    Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific  configuration Peter Zijlstra <peterz@infradead.org> - 2016-08-04 19:10 +0200
      Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific configuration Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-05 17:50 +0200
        Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific  configuration Peter Zijlstra <peterz@infradead.org> - 2016-08-05 18:00 +0200
  [PATCH V3 2/6] perf: Passing struct perf_event to function setup_aux() Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-28 23:50 +0200
    Re: [PATCH V3 2/6] perf: Passing struct perf_event to function  setup_aux() Peter Zijlstra <peterz@infradead.org> - 2016-08-04 19:20 +0200
      Re: [PATCH V3 2/6] perf: Passing struct perf_event to function setup_aux() Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-08-08 13:00 +0200
        Re: [PATCH V3 2/6] perf: Passing struct perf_event to function setup_aux() Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-08 16:50 +0200
  [PATCH V3 6/6] coresight: etm-perf: incorporating sink definition from cmd line Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-28 23:50 +0200
  [PATCH V3 5/6] coresight: adding sink parameter to function coresight_build_path() Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-28 23:50 +0200
  [PATCH V3 4/6] perf tools: pushing driver configuration down to the kernel Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-28 23:50 +0200
    Re: [PATCH V3 4/6] perf tools: pushing driver configuration down to  the kernel Jiri Olsa <jolsa@redhat.com> - 2016-07-31 14:10 +0200
      Re: [PATCH V3 4/6] perf tools: pushing driver configuration down to  the kernel Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-04 00:00 +0200
  [PATCH V3 3/6] perf tools: add infrastructure for PMU specific configuration Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-28 23:50 +0200
    Re: [PATCH V3 3/6] perf tools: add infrastructure for PMU specific  configuration Jiri Olsa <jolsa@redhat.com> - 2016-07-31 14:20 +0200

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