[PATCH] powerpc: Fix potential compile error irqs_disabled_flags

[Kumar Gala]

On Oct 22, 2009, at 12:58 AM, Michael Neuling wrote:

> irqs_disabled_flags is #defined in linux/irqflags.h when
> CONFIG_TRACE_IRQFLAGS_SUPPORT is enabled.
>
> This fixes the case when someone needs to include both linux/ 
> irqflags.h
> and asm/hw_irq.h.
>
> Signed-off-by: Michael Neuling <mikey at neuling.org>
> ---
> I'm not sure if this is the right fix.  We could just remove
> irqs_disabled_flags but I think that has the possibility of breaking
> 32bit.
>
> arch/powerpc/include/asm/hw_irq.h |    2 ++
> 1 file changed, 2 insertions(+)
>
> Index: linux-2.6-ozlabs/arch/powerpc/include/asm/hw_irq.h
> ===================================================================
> --- linux-2.6-ozlabs.orig/arch/powerpc/include/asm/hw_irq.h
> +++ linux-2.6-ozlabs/arch/powerpc/include/asm/hw_irq.h
> @@ -64,10 +64,12 @@ extern void iseries_handle_interrupts(vo
> 		get_paca()->hard_enabled = 0;	\
> 	} while(0)
>
> +#ifndef CONFIG_TRACE_IRQFLAGS_SUPPORT
> static inline int irqs_disabled_flags(unsigned long flags)
> {
> 	return flags == 0;
> }
> +#endif

I think you can just remove irqs_disabled_flags as we always have  
CONFIG_TRACE_IRQFLAGS_SUPPORT (for both 32 and 64).

- k