linux-kernel - Re: [PATCH v6 11/14] kernel: events: Export perf_report_aux_output

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Date:   Thu, 24 Nov 2022 11:04:20 +0000
From:   Suzuki Kuruppassery 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,
        Peter Zijlstra <peterz@...radead.org>
Cc:     mathieu.poirier@...aro.org, mingo@...hat.com, acme@...nel.org,
        linux-perf-users@...r.kernel.org, leo.yan@...aro.org,
        quic_jinlmao@...cinc.com
Subject: Re: [PATCH v6 11/14] kernel: events: Export
 perf_report_aux_output_id()

Peter


On 23/11/2022 19:50, 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>
> Acked-by: Suzuki K Poulose <suzuki.poulose@....com>
> ---
>   kernel/events/core.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/kernel/events/core.c b/kernel/events/core.c
> index 4ec3717003d5..ad388552f1d5 100644
> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -9231,6 +9231,7 @@ 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);
>   

Are you happy with me picking up this change through the coresight  tree ?

Suzuki

>   static int
>   __perf_event_account_interrupt(struct perf_event *event, int throttle)