Re: [RFC/PATCH] perf: Expand definition of sysfs format attribute

[Michael Ellerman]

On Mon, Apr 08, 2013 at 05:24:22PM +1000, Michael Ellerman wrote:
> On Mon, Mar 04, 2013 at 03:21:05PM +1100, Michael Ellerman wrote:
> > Make it explicit that the format attributes may define overlapping bit
> > ranges. Unfortunately this was left unspecified originally, and all the
> > examples show non-overlapping ranges. I don't believe this is an ABI
> > change, as we are defining something that was previously undefined, but
> > others may disagree.
> > 
> > The POWER8 PMU would like to define overlapping ranges, as bit ranges in
> > the event code have different meanings for certain events. It will also
> > allow us to define an overarching "event" field, that encompasses all
> > others.
> > 
> > As far as I can see perf is comfortable with this change, however I am
> > not sure if there are any other users of the interface.
> 
> Any comments on this one?

Hi Arnaldo,

I think the consensus from Peter and Jiri was that this was OK, are you
happy to merge it?

cheers
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