linux-kernel - Re: [PATCH 2/2] powerpc/perf: Export Power8 generic and cache events to sysfs

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Date:	Fri, 15 Jan 2016 11:44:00 -0800
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
Cc:	Michael Ellerman <mpe@...erman.id.au>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Jiri Olsa <jolsa@...hat.com>, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] powerpc/perf: Export Power8 generic and cache events
 to sysfs

Madhavan Srinivasan [maddy@...ux.vnet.ibm.com] wrote:
> > +enum {
> > +#include "power8-events-list.h"
> > +};
> >  
> 
> IIUC we dont use this enum as a index to
> some array, so can we do something like this?

Possibly, but its already a macro soup and we would add another
layer of indirection? I agree though that the #define and #undefs
are not intuitive. Since it is only a few entries for Power8, was
keeping it consistent with Power7.

Sukadev