Re: [BKPATCH] Read-Copy Update 2.5

David S. Miller (davem@redhat.com)
Mon, 26 Aug 2002 23:11:57 -0700 (PDT)


From: Dipankar Sarma <dipankar@in.ibm.com>
Date: Tue, 27 Aug 2002 11:41:52 +0530

On Tue, Aug 27, 2002 at 10:24:30AM +1000, Rusty Russell wrote:
> > +#ifdef CONFIG_PREEMPT
> > +/* Fake initialization to work around compiler breakage */
> > +DEFINE_PER_CPU(atomic_t[2], rcu_preempt_cntr) =
> > + {ATOMIC_INIT(0), ATOMIC_INIT(0)};
> > +DEFINE_PER_CPU(atomic_t, *curr_preempt_cntr) = NULL;
> > +DEFINE_PER_CPU(atomic_t, *next_preempt_cntr) = NULL;
>
> Also static I assume?

So, only statics are broken by gcc 2.95, right ?

I think it gets both static and non-static wrong.

Why don't we just specify that DEFINE_PER_CPU()'s must
have explicit initializers then we never need to think
about this ever again.
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