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Date: Mon, 22 Feb 2016 13:00:35 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
cc: LKML <linux-kernel@vger.kernel.org>, x86@kernel.org,
        Borislav Petkov <bp@alien8.de>, Stephane Eranian <eranian@google.com>,
        Harish Chegondi <harish.chegondi@intel.com>,
        Kan Liang <kan.liang@intel.com>, Andi Kleen <andi.kleen@intel.com>,
        Jacob Pan <jacob.jun.pan@linux.intel.com>
Subject: Re: [patch V2 10/28] x86/perf/intel_uncore: Store box in
 event->pmu_private
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References: <20160222110337.198341739@linutronix.de> <20160222110441.020475338@linutronix.de> <20160222115227.GB6357@twins.programming.kicks-ass.net>
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On Mon, 22 Feb 2016, Peter Zijlstra wrote:
> On Mon, Feb 22, 2016 at 11:06:50AM -0000, Thomas Gleixner wrote:
> > +	event->pmu_private = box;
> 
> > +static inline struct intel_uncore_box *uncore_event_to_box(struct perf_event *event)
> > +{
> > +	return event->pmu_private;
> > +}
> 
> Do you really need this? That is, what is wrong with:
> 
> static inline struct intel_uncore_box *uncore_event_to_box(struct perf_event *event)
> {
> 	return uncore_pmu_to_box(event->pmu, event->cpu);
> }
> 
> Which, after patch 12, should be fairly trivial, right?
 
Yes.