Re: [patch] ia64: remove per_cpu_offset()

["Luming Yu" <luming.yu@gmail.com>]

NAK for now.

I'm trying to add lockdep , so please don't delete it until it could
be proved really useless...
Please don't hurry...

On 11/7/07, Simon Horman <horms@verge.net.au> wrote:
> per_cpu_offset() was added as part of a lockdep patch,
> "[PATCH] lockdep: add per_cpu_offset()"
> (a875a69f8b00a38b4f40d9632a4fc71a159f0e0d),
> but ia64 doesn't have lockdep, nor does it use per_cpu_offset()
> anywhere else.
>
> This came up because Yu Lumming noticed that the ia64 version
> of per_cpu_offset() actually has a syntax error. Amusing as it seems
> to have been in the tree for months.
>
> > -#define per_cpu_offset(x) (__per_cpu_offset(x))
> > +#define per_cpu_offset(x) (__per_cpu_offset[x])
>
> Dave Miller suggested that rather than fixing the unused code it would be
> better to just remove it all together.
>
> Signed-off-by: Simon Horman <horms@verge.net.au>
>
> diff --git a/include/asm-ia64/percpu.h b/include/asm-ia64/percpu.h
> index c4f1e32..2870f8d 100644
> --- a/include/asm-ia64/percpu.h
> +++ b/include/asm-ia64/percpu.h
> @@ -46,7 +46,6 @@
>  #ifdef CONFIG_SMP
>
>  extern unsigned long __per_cpu_offset[NR_CPUS];
> -#define per_cpu_offset(x) (__per_cpu_offset[x])
>
>  /* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
>  DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
> -
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