Re: [RFC: 2.6 patch] #include <asm/irq.h> in interrupt.h

[Adrian Bunk <bunk@stusta.de>]

On Wed, Aug 24, 2005 at 10:22:50AM +0100, Christoph Hellwig wrote:
> On Wed, Aug 24, 2005 at 10:57:50AM +0200, Adrian Bunk wrote:
> > If #includ'ing interrupt.h should be enough for getting the prototype of 
> > e.g. enable_irq() on all architectures, we need this patch.
> 
> Per defintion you need to include <asm/irq.h> right now.  I'd like to change
> that to <linux/interrupt.h>, but not my including <asm/irq.h> there.
> We should just make the prototypes in <linux/interrupt.h> unconditional
> and get rid of the macro/inline tricks some architectures do, these calls
> aren't exactly fastpathes where that matters.

Looking at 2.6.13-rc6-mm2, the only architectures with own enable_irq() 
implementations are m68knommu and sparc.

On m68knommu, enable_irq() does nothing unless a hook is used that has 
no in-kernel users.

The 32bit sparc arch seems to be the only arch doing funky things.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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