linux-kernel - Re: (drop : wrong email thread) [PATCH] Immediate Values - Architecture Independent Code

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Date:	Sat, 14 Jul 2007 18:57:58 -0400
From:	Mathieu Desnoyers <compudj@...stal.dyndns.org>
To:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Cc:	Christoph Hellwig <hch@...radead.org>
Subject: Re: (drop : wrong email thread) [PATCH] Immediate Values - Architecture Independent Code - Fixes following HCH comments

Sorry, this email is sent in the wrong thread. Please drop, I will
resend in the right thread.

* Mathieu Desnoyers (mathieu.desnoyers@...ymtl.ca) wrote:
> Immediate Values - Architecture Independent Code - Fixes following HCH comments
> 
> Various coding style fixes following Christoph's comments
> Put asm-generic/immediate.h content into linux/immediate.h.
> Remove ifdef __KERNEL__ in .h never exported to user space.
> Make immediate_mutex static.
> 
> It applies after "Immediate Values - Architecture Independent Code".
> 
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
> CC: Christoph Hellwig <hch@...radead.org>
> ---
>  include/linux/immediate.h |   18 ++++++++++++++----
>  kernel/immediate.c        |   15 +++++++--------
>  2 files changed, 21 insertions(+), 12 deletions(-)
> 
> Index: linux-2.6-lttng/include/linux/immediate.h
> ===================================================================
> --- linux-2.6-lttng.orig/include/linux/immediate.h	2007-07-14 18:13:58.000000000 -0400
> +++ linux-2.6-lttng/include/linux/immediate.h	2007-07-14 18:16:26.000000000 -0400
> @@ -10,12 +10,23 @@
>   * See the file COPYING for more details.
>   */
>  
> -#ifdef __KERNEL__
> -
>  #ifdef CONFIG_IMMEDIATE
>  #include <asm/immediate.h>
>  #else
> -#include <asm-generic/immediate.h>
> +/*
> + * Generic immediate values: a simple, standard, memory load.
> + */
> +
> +struct module;
> +
> +#define immediate_read(var)		_immediate_read(var)
> +#define immediate_set(var, i)		((var)->value = (i))
> +#define _immediate_set(var, i)		immediate_set(var, i)
> +#define immediate_set_early(var, i)	immediate_set(var, i)
> +#define immediate_if(var)		if (immediate_read(var))
> +
> +static inline void module_immediate_setup(struct module *mod) { }
> +static inline void immediate_update_early(void) { }
>  #endif
>  
>  /*
> @@ -49,5 +60,4 @@ DEFINE_IMMEDIATE_TYPE(void*, immediate_v
>   */
>  #define _immediate_if(var)		if (_immediate_read(var))
>  
> -#endif /* __KERNEL__ */
>  #endif
> Index: linux-2.6-lttng/kernel/immediate.c
> ===================================================================
> --- linux-2.6-lttng.orig/kernel/immediate.c	2007-07-14 18:13:58.000000000 -0400
> +++ linux-2.6-lttng/kernel/immediate.c	2007-07-14 18:27:03.000000000 -0400
> @@ -27,13 +27,13 @@ extern const struct __immediate __stop__
>   * modules_mutex nests inside immediate_mutex. immediate_mutex protects builtin
>   * immediates and module immediates.
>   */
> -DEFINE_MUTEX(immediate_mutex);
> +static DEFINE_MUTEX(immediate_mutex);
>  
>  /*
>   * Sets a range of immediates to a enabled state : set the enable bit.
>   */
> -static void _immediate_update_range(
> -	const struct __immediate *begin, const struct __immediate *end)
> +static inline void _immediate_update_range(const struct __immediate *begin,
> +		const struct __immediate *end)
>  {
>  	const struct __immediate *iter;
>  	int ret;
> @@ -63,11 +63,10 @@ static void _immediate_update_range(
>   */
>  void module_immediate_setup(struct module *mod)
>  {
> -	_immediate_update_range(mod->immediate, mod->immediate+mod->num_immediate);
> +	_immediate_update_range(mod->immediate,
> +				mod->immediate+mod->num_immediate);
>  }
> -#endif
>  
> -#ifdef CONFIG_MODULES
>  /*
>   * immediate mutex nests inside the modules mutex.
>   */
> @@ -103,8 +102,8 @@ EXPORT_SYMBOL_GPL(immediate_update);
>   * Update the immediate values to the state of the variables they refer to. It
>   * is done before SMP is active, at the very beginning of start_kernel().
>   */
> -void __init immediate_update_early_range(
> -	const struct __immediate *begin, const struct __immediate *end)
> +void __init immediate_update_early_range(const struct __immediate *begin,
> +		const struct __immediate *end)
>  {
>  	const struct __immediate *iter;
>  
> 
> -- 
> Mathieu Desnoyers
> Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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