linux-kernel - Re: [PATCHv2 1/2] kernel/workqueue: Make schedule_on_each_cpu as EXPORT_SYMBOL

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Date:   Mon, 23 Aug 2021 22:06:47 -0400
From:   Dennis Zhou <dennis@...nel.org>
To:     Ritesh Harjani <riteshh@...ux.ibm.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Dennis Zhou <dennis@...nel.org>, Tejun Heo <tj@...nel.org>,
        Christoph Lameter <cl@...ux.com>
Subject: Re: [PATCHv2 1/2] kernel/workqueue: Make schedule_on_each_cpu as
 EXPORT_SYMBOL_GPL

Hello,

On Tue, Aug 24, 2021 at 02:12:29AM +0530, Ritesh Harjani wrote:
> Make schedule_on_each_cpu as EXPORT_SYMBOL_GPL
> 
> Signed-off-by: Ritesh Harjani <riteshh@...ux.ibm.com>
> ---
> [v1 -> v2]: Use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL
> 
>  kernel/workqueue.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/kernel/workqueue.c b/kernel/workqueue.c
> index f148eacda55a..993f8983186d 100644
> --- a/kernel/workqueue.c
> +++ b/kernel/workqueue.c
> @@ -3309,6 +3309,7 @@ int schedule_on_each_cpu(work_func_t func)
>  	free_percpu(works);
>  	return 0;
>  }
> +EXPORT_SYMBOL_GPL(schedule_on_each_cpu);
> 
>  /**
>   * execute_in_process_context - reliably execute the routine with user context
> --
> 2.31.1
> 

I think you missed the point of Christoph's comment. I agree with him
and don't think a test justifies exporting of this particular function.

Thanks,
Dennis