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Date: Wed, 11 Sep 2013 13:30:30 +0530
From: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
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To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH] powerpc: Export cpu_to_chip_id() to fix build error
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Cc: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>,
 linuxppc-dev@lists.ozlabs.org, Paul Mackerras <paulus@samba.org>,
 linux-kernel@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>
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On 09/11/2013 03:33 AM, Benjamin Herrenschmidt wrote:
> On Mon, 2013-09-09 at 18:37 -0700, Guenter Roeck wrote:
>> powerpc allmodconfig build fails with:
>>
>> ERROR: ".cpu_to_chip_id" [drivers/block/mtip32xx/mtip32xx.ko] undefined!
>>
>> The problem was introduced with commit 15863ff3b (powerpc: Make chip-id
>> information available to userspace).
>
> Thanks, I'll send that to Linus asap.
>

Verified on today's Linus tree. This issue is fixed.

Thanks a lot.

-Vasant

> Ben.
>
>> Export the missing symbol.
>>
>> Cc: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
>> Cc: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
>> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
>> ---
>>   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..8e59abc 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(cpu_to_chip_id);
>>
>>   /* Helper routines for cpu to core mapping */
>>   int cpu_core_index_of_thread(int cpu)
>
>
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