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From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFCv4 1/7] drivers/perf: arm_pmu: add common attr group fields
Date: Fri, 9 Sep 2016 12:05:58 +0100	[thread overview]
Message-ID: <20160909110558.GC10562@leverpostej> (raw)
In-Reply-To: <20160909102554.GF20192@arm.com>

On Fri, Sep 09, 2016 at 11:25:54AM +0100, Will Deacon wrote:
> On Thu, Sep 08, 2016 at 11:21:46AM +0100, Mark Rutland wrote:
> > +enum armpmu_attr_groups {
> > +	ARMPMU_ATTR_GROUP_EVENTS,
> > +	ARMPMU_ATTR_GROUP_FORMATS,
> > +	ARMPMU_NR_ATTR_GROUPS
> > +};
> > +
> >  struct arm_pmu {
> >  	struct pmu	pmu;
> >  	cpumask_t	active_irqs;
> > @@ -111,6 +117,7 @@ struct arm_pmu {
> >  	struct pmu_hw_events	__percpu *hw_events;
> >  	struct list_head	entry;
> >  	struct notifier_block	cpu_pm_nb;
> > +	const struct attribute_group *attr_groups[ARMPMU_NR_ATTR_GROUPS + 1];
> 
> Is the '+ 1' because the array has to be NULL terminated?

Yes.

> Probably worth a comment to disuade people from sending "obvious"
> fixes.

Sure. I had meant to do this already, but forgot. :/

Thanks,
Mark.

WARNING: multiple messages have this Message-ID (diff)
From: Mark Rutland <mark.rutland@arm.com>
To: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, acme@kernel.org,
	alexander.shishkin@linux.intel.com, jolsa@kernel.org,
	mingo@redhat.com, peterz@infradead.org
Subject: Re: [RFCv4 1/7] drivers/perf: arm_pmu: add common attr group fields
Date: Fri, 9 Sep 2016 12:05:58 +0100	[thread overview]
Message-ID: <20160909110558.GC10562@leverpostej> (raw)
In-Reply-To: <20160909102554.GF20192@arm.com>

On Fri, Sep 09, 2016 at 11:25:54AM +0100, Will Deacon wrote:
> On Thu, Sep 08, 2016 at 11:21:46AM +0100, Mark Rutland wrote:
> > +enum armpmu_attr_groups {
> > +	ARMPMU_ATTR_GROUP_EVENTS,
> > +	ARMPMU_ATTR_GROUP_FORMATS,
> > +	ARMPMU_NR_ATTR_GROUPS
> > +};
> > +
> >  struct arm_pmu {
> >  	struct pmu	pmu;
> >  	cpumask_t	active_irqs;
> > @@ -111,6 +117,7 @@ struct arm_pmu {
> >  	struct pmu_hw_events	__percpu *hw_events;
> >  	struct list_head	entry;
> >  	struct notifier_block	cpu_pm_nb;
> > +	const struct attribute_group *attr_groups[ARMPMU_NR_ATTR_GROUPS + 1];
> 
> Is the '+ 1' because the array has to be NULL terminated?

Yes.

> Probably worth a comment to disuade people from sending "obvious"
> fixes.

Sure. I had meant to do this already, but forgot. :/

Thanks,
Mark.

  reply	other threads:[~2016-09-09 11:05 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-08 10:21 [RFCv4 0/7] arm_pmu/perf tools: play nicely with CPU PMU cpumasks Mark Rutland
2016-09-08 10:21 ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 1/7] drivers/perf: arm_pmu: add common attr group fields Mark Rutland
2016-09-08 10:21   ` Mark Rutland
2016-09-09 10:25   ` Will Deacon
2016-09-09 10:25     ` Will Deacon
2016-09-09 11:05     ` Mark Rutland [this message]
2016-09-09 11:05       ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 2/7] arm64: perf: move to common attr_group fields Mark Rutland
2016-09-08 10:21   ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 3/7] arm: " Mark Rutland
2016-09-08 10:21   ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 4/7] drivers/perf: arm_pmu: only use common attr_groups Mark Rutland
2016-09-08 10:21   ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 5/7] drivers/perf: arm_pmu: expose a cpumask in sysfs Mark Rutland
2016-09-08 10:21   ` Mark Rutland
2016-09-09 10:24   ` Will Deacon
2016-09-09 10:24     ` Will Deacon
2016-09-09 11:04     ` Mark Rutland
2016-09-09 11:04       ` Mark Rutland
2016-09-08 10:21 ` [RFCv4 6/7] perf: util: only open events on CPUs an evsel permits Mark Rutland
2016-09-08 10:21   ` Mark Rutland
2016-09-09  5:53   ` [tip:perf/core] perf evlist: Only " tip-bot for Mark Rutland
2016-09-08 10:21 ` [RFCv4 7/7] perf: util: support alternative sysfs cpumask Mark Rutland
2016-09-08 10:21   ` Mark Rutland
2016-09-09  5:54   ` [tip:perf/core] perf pmu: Support " tip-bot for Mark Rutland
2016-09-08 10:38 ` [RFCv4 0/7] arm_pmu/perf tools: play nicely with CPU PMU cpumasks Will Deacon
2016-09-08 10:38   ` Will Deacon
2016-09-08 11:29   ` Mark Rutland
2016-09-08 11:29     ` Mark Rutland
2016-09-08 16:25 ` Arnaldo Carvalho de Melo
2016-09-08 16:25   ` Arnaldo Carvalho de Melo
2016-09-08 18:16   ` Peter Zijlstra
2016-09-08 18:16     ` Peter Zijlstra
2016-09-09  9:31     ` Will Deacon
2016-09-09  9:31       ` Will Deacon

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