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Date: Wed, 11 Sep 2013 18:03:02 +0200
From: Vladimir Murzin <murzin.v@gmail.com>
To: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Subject: Re: [PATCH 1/3] powerpc: export cpu_to_chip_id
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On Wed, Sep 11, 2013 at 12:07:45PM +0530, Vasant Hegde wrote:
> On 09/10/2013 10:08 PM, Vladimir Murzin wrote:
> > While cross-building for PPC64 I've got
> >
> Vladimir,
> 
> Below commit ID fixes this issue.

Great! For whatever reason I thought _GPL is default policy for exported
symbols... but, never mind ;)

Sorry for the noise
Vladimir

> 
> commit 256588fda10f2a712631f8a4e72641a66adebdb8
> Author: Guenter Roeck <linux@roeck-us.net>
> Date:   Mon Sep 9 18:37:56 2013 -0700
> 
>      powerpc: Export cpu_to_chip_id() to fix build error
> 
> -Vasant
> 
> > ERROR: ".cpu_to_chip_id" [drivers/block/mtip32xx/mtip32xx.ko] undefined!
> >
> > mtip32xx refer to topology_physical_package_id, which stands for
> > cpu_to_chip-id.
> >
> > Make cpu_to_chip-id (and topology_physical_package_id) available for
> > external users.
> >
> > Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
> > ---
> >   arch/powerpc/kernel/smp.c |    1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
> > index 442d8e2..1d9c1c2 100644
> > --- a/arch/powerpc/kernel/smp.c
> > +++ b/arch/powerpc/kernel/smp.c
> > @@ -611,6 +611,7 @@ int cpu_to_chip_id(int cpu)
> >   	of_node_put(np);
> >   	return of_get_ibm_chip_id(np);
> >   }
> > +EXPORT_SYMBOL_GPL(cpu_to_chip_id);
> >
> >   /* Helper routines for cpu to core mapping */
> >   int cpu_core_index_of_thread(int cpu)
> >
>