Re: PATCH [0/4] perf: clean-up of power events API

Peter Zijlstra
2010-10-19T11:47:21Z

On Tue, 2010-10-19 at 13:45 +0200, Ingo Molnar wrote:
>
> * Thomas Renninger <trenn@suse.de> wrote:
>
> > > Most definitely. It's no accident that it took such a long time for this issue
> > > to be raised in the first place. It's a rare occurance -
> >
> > Do you agree that this occurance happened now and these events should get cleaned
> > up before ARM and other archs make use of the broken interface?
> >
> > If not, discussing this further, is a big waste of time... and Jean would have to
> > try to adapt his ARM code on the broken ABI...
>
> The discussion seems to have died down somewhat. Please re-send to lkml the latest
> patches you have to remind everyone of the latest state of things - the merge window
> is getting near.
>
> My only compatibility/ABI point is basically that it shouldnt break _existing_
> tracepoints (and users thereof). If your latest bits meet that then it ought to be a
> good first step. You are free to (and encouraged to) introduce more complete sets of
> events.

Can we deprecate and eventually remove the old ones, or will we be
forever obliged to carry the old ones too?