[PATCH 1/2] powerpc/powernv: include asm/smp.h to handle UP config

[Anshuman Khandual]

On 06/05/2014 08:51 PM, Shreyas B. Prabhu wrote:
> Build throws following errors when CONFIG_SMP=n
> arch/powerpc/platforms/powernv/setup.c: In function ‘pnv_kexec_wait_secondaries_down’:
> arch/powerpc/platforms/powernv/setup.c:179:4: error: implicit declaration of function ‘get_hard_smp_processor_id’
>     rc = opal_query_cpu_status(get_hard_smp_processor_id(i),
> 
> The usage of get_hard_smp_processor_id() needs the declaration from
> <asm/smp.h>. The file setup.c includes <linux/sched.h>, which in-turn
> includes <linux/smp.h>. However, <linux/smp.h> includes <asm/smp.h>
> only on SMP configs and hence UP builds fail.
> 
> Fix this by directly including <asm/smp.h> in setup.c unconditionally.

Can you please clean up the description in the commit message ? and also
the first line in the commit message should mention that the patch is
trying to fix a UP specific build failure.