[PATCH] ppc32: fix perf_irq extern on e500

[Andrew Morton]

Matt Porter <mporter at kernel.crashing.org> wrote:
>
> Add an extern reference to perf_irq on e500.
> 
> Signed-off-by: Matt Porter <mporter at kernel.crashing.org>
> 
> diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
> index 16adde6..ff1bdc2 100644
> --- a/arch/ppc/kernel/traps.c
> +++ b/arch/ppc/kernel/traps.c
> @@ -888,6 +888,8 @@ void altivec_assist_exception(struct pt_
>  #endif /* CONFIG_ALTIVEC */
>  
>  #ifdef CONFIG_E500
> +extern perf_irq_t perf_irq;
> +
>  void performance_monitor_exception(struct pt_regs *regs)
>  {
>  	perf_irq(regs);

extern decls are placed in header files, please.