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

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Message-ID: <20210824042419.fssp7zrnnz6ffgyt@riteshh-domain>
Date:   Tue, 24 Aug 2021 09:54:19 +0530
From:   Ritesh Harjani <riteshh@...ux.ibm.com>
To:     Dennis Zhou <dennis@...nel.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.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

On 21/08/23 10:06PM, Dennis Zhou wrote:
> 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.

Got it. Based on the comments from 2nd patch, if in case this will be required
I can open code this. (I initially had this open coded, but then I found this).

-ritesh

>
> Thanks,
> Dennis
>