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 <[email protected]> wrote:
> On Tue, Oct 30, 2007 at 05:50:56PM +0900, Simon Horman wrote:
> > On Tue, Oct 30, 2007 at 12:36:22AM -0700, David Miller wrote:
> > > From: Simon Horman <[email protected]>
> > > Date: Tue, 30 Oct 2007 16:15:13 +0900
> > >
> > > > Though curiuously with my config nothing uses per_cpu_offset()
> > > > (I added a bogus call to produce an error.) Is it actually
> > > > used on ia64?
> > >
> > > It is unused, and in that regard should probably be deleted.
> > >
> > > include/asm-generic/percpu.h defines a seemingly similarly
> > > unused per_cpu_offset() macro define as well
> >
> > It looks like they were both added by "[PATCH] lockdep: add per_cpu_offset()"
> > (a875a69f8b00a38b4f40d9632a4fc71a159f0e0d)
> >
> > Perhaps they were used at that time?
>
> I looked into this a little further:
>
> I'm pretty much convinced that the asm-ia64 version of per_cpu_offset()
> is unused as ia64 doesn't have lockdep. I will send a patch to get rid
> of it. The generic version might be used on mips, sh or arm with
> CONFIG_SMP, as these architectures have lockdep. I did managed to
> produce a compiler error on mips by removing the asm-generic version of
> per_cpu_offset().
>
> --
> Horms
> H: http://www.vergenet.net/~horms/
> W: http://www.valinux.co.jp/en/
>
>
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