On Monday 12 October 2015 22:07:45 Michael Ellerman wrote:
> Yeah, this builds and boots at least on pseries KVM.
>
> diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
> index e8e3a0a04eb0..35fba282b7f9 100644
> --- a/arch/powerpc/include/asm/irq.h
> +++ b/arch/powerpc/include/asm/irq.h
> @@ -23,11 +23,8 @@ extern atomic_t ppc_n_lost_interrupts;
> /* This number is used when no interrupt has been assigned */
> #define NO_IRQ (0)
>
> -/* Total number of virq in the platform */
> -#define NR_IRQS CONFIG_NR_IRQS
> -
> -/* Same thing, used by the generic IRQ code */
> #define NR_IRQS_LEGACY NUM_ISA_INTERRUPTS
> +#define NR_IRQS NR_IRQS_LEGACY
>
> extern irq_hw_number_t virq_to_hw(unsigned int virq);
>
This looks like the way it's intended. I've also checked that no powerpc
platform defines a static IRQ larger than NUM_ISA_INTERRUPTS, and only
two files do it at all (arch/powerpc/platforms/chrp/pegasos_eth.c and
arch/powerpc/sysdev/rtc_cmos_setup.c).
Arnd
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