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Date: Mon, 22 Feb 2016 12:52:27 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Thomas Gleixner <tglx@linutronix.de>
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
Message-ID: <20160222115227.GB6357@twins.programming.kicks-ass.net>
References: <20160222110337.198341739@linutronix.de>
 <20160222110441.020475338@linutronix.de>
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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?