linux-kernel - Re: [PATCH 01/11] Export __smp_call_function

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Date:	Fri, 25 Oct 2013 11:44:35 +0100
From:	Jens Axboe <axboe@...nel.dk>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, hch@...radead.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 01/11] Export __smp_call_function_single()

On Fri, Oct 25 2013, Ingo Molnar wrote:
> 
> * Jens Axboe <axboe@...nel.dk> wrote:
> 
> > The blk-mq core and the blk-mq null driver uses it.
> > 
> > Cc: Ingo Molnar <mingo@...nel.org>
> > Signed-off-by: Jens Axboe <axboe@...nel.dk>
> > ---
> >  kernel/smp.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/kernel/smp.c b/kernel/smp.c
> > index 0564571..9de461e 100644
> > --- a/kernel/smp.c
> > +++ b/kernel/smp.c
> > @@ -340,6 +340,7 @@ void __smp_call_function_single(int cpu, struct call_single_data *csd,
> >  	}
> >  	put_cpu();
> >  }
> > +EXPORT_SYMBOL(__smp_call_function_single);
> 
> I agree with exporting it to in-kernel users, but I'd prefer a _GPL 
> export for newly exported symbols that are for in-kernel use.

Agree, it should be _GPL. I will update the patch. Can I add your
acked-by?

-- 
Jens Axboe

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