linux-kernel - Re: m68knommu: rework definition of HZ

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Date:	Fri, 9 May 2008 14:48:28 +0300
From:	Niko Tyni <ntyni@...ian.org>
To:	linux-kernel@...r.kernel.org
Cc:	480130@...s.debian.org
Subject: Re: m68knommu: rework definition of HZ

On Thu, May 01, 2008 at 02:21:45AM +0000, Greg Ungerer wrote:
> Rework the HZ definition to be more consistent with other architectures.
> Non-kernel includers will see a constant HZ setting of 100.

Something like this is needed for <asm-alpha/param.h> as well. 
Perl and possibly python too fail to build with the 2.6.25 header 
on alpha due to "'CONFIG_HZ' undeclared".

Some details can be found in http://bugs.debian.org/480130 .

> diff -Naurp linux-2.6.25/include/asm-m68knommu/param.h linux-2.6.25-uc0/include/asm-m68knommu/param.h
> --- linux-2.6.25/include/asm-m68knommu/param.h	2008-04-17 12:49:44.000000000 +1000
> +++ linux-2.6.25-uc0/include/asm-m68knommu/param.h	2008-04-28 17:00:21.000000000 +1000
> @@ -1,13 +1,16 @@
>  #ifndef _M68KNOMMU_PARAM_H
>  #define _M68KNOMMU_PARAM_H
>  
> -#define HZ CONFIG_HZ
> -
>  #ifdef __KERNEL__
> +#define HZ CONFIG_HZ
>  #define	USER_HZ		HZ
>  #define	CLOCKS_PER_SEC	(USER_HZ)
>  #endif
>  
> +#ifndef HZ
> +#define HZ	100
> +#endif
> +
>  #define EXEC_PAGESIZE	4096
>  
>  #ifndef NOGROUP

-- 
Niko Tyni   ntyni@...ian.org
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