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Date: Tue, 23 Jul 2013 23:44:31 +1000
From: Michael Ellerman <michael@ellerman.id.au>
To: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Subject: Re: [PATCH v2] powerpc: kernel: remove useless code which related
 with 'max_cpus'
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Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
 Chen Gang <gang.chen@asianux.com>, "paulus@samba.org" <paulus@samba.org>,
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On Mon, Jul 22, 2013 at 12:21:16PM +0530, Srivatsa S. Bhat wrote:
> On 07/22/2013 12:10 PM, Chen Gang wrote:
> > Since not need 'max_cpus' after the related commit, the related code
> > are useless too, need be removed.
> > 
> > The related commit:
> > 
> >   c1aa687 powerpc: Clean up obsolete code relating to decrementer and timebase
> > 
> > The related warning:
> > 
> >   arch/powerpc/kernel/smp.c:323:43: warning: parameter ‘max_cpus’ set but not used [-Wunused-but-set-parameter]
> > 
> > Signed-off-by: Chen Gang <gang.chen@asianux.com>
> 
> This version looks good.

Agreed.

A good follow up patch, or actually series of patches, would be to
change the prototype of smp_ops->probe() to return void, and fix all the
implementations to no longer return anything.

cheers