linux-kernel - Re: [PATCH v10 1/8] perf: Export perf_event_update

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Date:   Thu, 9 Nov 2017 10:07:06 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Suzuki K Poulose <suzuki.poulose@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        marc.zyngier@....com, mark.rutland@....com, will.deacon@....com,
        catalin.marinas@....com, robh@...nel.org, sudeep.holla@....com,
        mathieu.poirier@...aro.org, leo.yan@...aro.org,
        frowand.list@...il.com, Jonathan.Cameron@...wei.com,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v10 1/8] perf: Export perf_event_update_userpage

On Fri, Nov 03, 2017 at 05:50:58PM +0000, Suzuki K Poulose wrote:
> Export perf_event_update_userpage() so that PMU driver using them,
> can be built as modules.
> 
> Cc: Peter Zilstra <peterz@...radead.org>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

> ---
>  kernel/events/core.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/kernel/events/core.c b/kernel/events/core.c
> index 9d93db81fa36..550015829db8 100644
> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -4982,6 +4982,7 @@ void perf_event_update_userpage(struct perf_event *event)
>  unlock:
>  	rcu_read_unlock();
>  }
> +EXPORT_SYMBOL_GPL(perf_event_update_userpage);
>  
>  static int perf_mmap_fault(struct vm_fault *vmf)
>  {
> -- 
> 2.13.6
>