linux-kernel - Re: [PATCH v2 10/13] kernel: events: Export perf_report_aux_output

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Message-ID: <b7f42920-9ca7-ae4e-9c71-34846508cfb1@arm.com>
Date:   Tue, 19 Jul 2022 22:50:43 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     Mike Leach <mike.leach@...aro.org>, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     mathieu.poirier@...aro.org, peterz@...radead.org, mingo@...hat.com,
        acme@...nel.org, linux-perf-users@...r.kernel.org,
        leo.yan@...aro.org, quic_jinlmao@...cinc.com
Subject: Re: [PATCH v2 10/13] kernel: events: Export
 perf_report_aux_output_id()

On 04/07/2022 09:11, Mike Leach wrote:
> CoreSight trace being updated to use the perf_report_aux_output_id()
> in a similar way to intel-pt.
> 
> This function in needs export visibility to allow it to be called from
> kernel loadable modules, which CoreSight may configured to be built as.
> 
> Signed-off-by: Mike Leach <mike.leach@...aro.org>
> ---
>   kernel/events/core.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/kernel/events/core.c b/kernel/events/core.c
> index 80782cddb1da..f5835e5833cd 100644
> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -9117,6 +9117,7 @@ void perf_report_aux_output_id(struct perf_event *event, u64 hw_id)
>   
>   	perf_output_end(&handle);
>   }
> +EXPORT_SYMBOL_GPL(perf_report_aux_output_id);
>   
>   static int
>   __perf_event_account_interrupt(struct perf_event *event, int throttle)

Acked-by: Suzuki K Poulose <suzuki.poulose@....com>