Re: [RFC: 2.6 patch] include/linux/irq.h: #include <linux/smp.h>

[Adrian Bunk]

On Wed, Dec 21, 2005 at 09:48:06PM +0000, Russell King wrote:
> On Wed, Dec 21, 2005 at 10:33:21PM +0100, Adrian Bunk wrote:
> > On Wed, Dec 21, 2005 at 11:04:22AM +0000, Russell King wrote:
> > > On Wed, Dec 21, 2005 at 02:41:33AM -0800, Andrew Morton wrote:
> > > > Yes, it's basically always wrong to include asm/foo.h when linux/foo.h
> > > > exists. 
> > > 
> > > There's always an exception to every rule.  linux/irq.h is that
> > > exception for the above rule.
> > 
> > Why?
> 
> /*
>  * Please do not include this file in generic code.  There is currently
>  * no requirement for any architecture to implement anything held
>  * within this file.
>  *
>  * Thanks. --rmk
>  */
> 
> Using linux/irq.h instead of asm/irq.h _breaks_ architectures
> which do not use the generic irq code.
> 
> Basically, linux/irq.h should have been called asm-generic/irq.h.

I'm not getting your point.

The patch we are discussing is:

--- linux-2.6.15-rc6/include/linux/irq.h.old	2005-12-20 21:45:57.000000000 +0100
+++ linux-2.6.15-rc6/include/linux/irq.h	2005-12-20 21:46:08.000000000 +0100
@@ -10,7 +10,7 @@
  */
 
 #include <linux/config.h>
-#include <asm/smp.h>		/* cpu_online_map */
+#include <linux/smp.h>
 


> Russell King

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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