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Re: [Xen-devel] [PATCH] arm: define domain_pirq_to_irq



On Thu, 9 Feb 2012, Ian Campbell wrote:
> # HG changeset patch
> # User Ian Campbell <ian.campbell@xxxxxxxxxx>
> # Date 1328798112 0
> # Node ID abd72cc240fa3d643541d435f3cb72b75c8a5977
> # Parent  18b9ea53c8ac0e2d6aee68dd50a50c0b08a01a1e
> arm: define domain_pirq_to_irq
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> diff -r 18b9ea53c8ac -r abd72cc240fa xen/include/asm-arm/irq.h
> --- a/xen/include/asm-arm/irq.h       Thu Feb 09 11:33:30 2012 +0000
> +++ b/xen/include/asm-arm/irq.h       Thu Feb 09 14:35:12 2012 +0000
> @@ -11,6 +11,7 @@ typedef struct {
>  
>  struct arch_pirq
>  {
> +    int irq;
>  };
>  
>  struct irq_cfg {
> @@ -19,6 +20,8 @@ struct irq_cfg {
>  
>  void do_IRQ(struct cpu_user_regs *regs, unsigned int irq, int is_fiq);
>  
> +#define domain_pirq_to_irq(d, pirq) pirq_field(d, pirq, arch.irq)
> +
>  #endif /* _ASM_HW_IRQ_H */
>  /*
>   * Local variables:
> 

At the moment we don't have a reason for having pirq != irq so we could
just return irq, like ia64 does.
Otherwise I expect that we would need code to set arch.irq = pirq that
at the moment we don't have.

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