linux-kernel - Re: [PATCH 6/9] perf: Generic pci uncore device support

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Date:	Thu, 03 May 2012 23:39:52 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	"Yan, Zheng" <zheng.z.yan@...el.com>
Cc:	mingo@...e.hu, andi@...stfloor.org, eranian@...gle.com,
	jolsa@...hat.com, ming.m.lin@...el.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/9] perf: Generic pci uncore device support

On Wed, 2012-05-02 at 10:07 +0800, Yan, Zheng wrote:
> +       uncores = msr_uncores;
> +       while (1) {
> +               for (i = 0; uncores[i]; i++) {
> +                       type = uncores[i];
> +                       for (j = 0; j < type->num_boxes; j++) {
> +                               pmu = &type->pmus[j];
> +                               box = uncore_pmu_find_box(pmu, phyid);
> +                               WARN_ON_ONCE(box->cpu != -1);
> +                               box->cpu = cpu;
> +                       }
>                 }
> +               if (uncores != msr_uncores)
> +                       break;
> +               uncores = pci_uncores;
>         } 

Wouldn't it be better to pull the body out into a separate function and
do something like:

 __uncore_init_types(msr_uncores, cpu);
 __uncore_init_types(pci_uncores, cpu);

same for the other such construct..


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