linux-kernel - Re: [PATCH v3] bitops kernel-doc: inline instead of macro

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Date:	Thu, 25 Oct 2007 23:27:34 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Randy Dunlap <rdunlap@...otime.net>
cc:	Andrew Morton <akpm@...ux-foundation.org>, nickpiggin@...oo.com.au,
	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, Andy Whitcroft <apw@...dowen.org>
Subject: Re: [PATCH v3] bitops kernel-doc: inline instead of macro

Randy,

On Thu, 25 Oct 2007, Randy Dunlap wrote:
> > We might as well clean stuff up as we're churning the code.
> > 
> > 
> > Andy, I thought we were going to whine about __inline__ and __inline, too?
> 
> Thomas, can you replace the previous patch with this one?

Sure. Darn, I did not run yours through the usual procedure :)

      tglx

> Usage of __inline__ is fixed in the next patch (after this one).
> 
 ---
> 
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> Use duplicated inline functions for test_and_set_bit_lock() on x86
> instead of #define macros, thus avoiding a bad example.  This allows
> kernel-doc to run cleanly instead of terminating with an error:
> 
> Error(linux-2.6.24-rc1//include/asm-x86/bitops_32.h:188): cannot understand prototype: 'test_and_set_bit_lock test_and_set_bit '
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> ---
>  include/asm-x86/bitops_32.h |    7 +++++--
>  include/asm-x86/bitops_64.h |    7 +++++--
>  2 files changed, 10 insertions(+), 4 deletions(-)
> 
> --- linux-2.6.24-rc1.orig/include/asm-x86/bitops_32.h
> +++ linux-2.6.24-rc1/include/asm-x86/bitops_32.h
> @@ -183,9 +183,12 @@ static inline int test_and_set_bit(int n
>   * @nr: Bit to set
>   * @addr: Address to count from
>   *
> - * This is the same as test_and_set_bit on x86
> + * This is the same as test_and_set_bit on x86.
>   */
> -#define test_and_set_bit_lock test_and_set_bit
> +static inline int test_and_set_bit_lock(int nr, volatile unsigned long *addr)
> +{
> +	return test_and_set_bit(nr, addr);
> +}
>  
>  /**
>   * __test_and_set_bit - Set a bit and return its old value
> --- linux-2.6.24-rc1.orig/include/asm-x86/bitops_64.h
> +++ linux-2.6.24-rc1/include/asm-x86/bitops_64.h
> @@ -173,9 +173,12 @@ static __inline__ int test_and_set_bit(i
>   * @nr: Bit to set
>   * @addr: Address to count from
>   *
> - * This is the same as test_and_set_bit on x86
> + * This is the same as test_and_set_bit on x86.
>   */
> -#define test_and_set_bit_lock test_and_set_bit
> +static __inline__ int test_and_set_bit_lock(int nr, volatile void *addr)
> +{
> +	return test_and_set_bit(nr, addr);
> +}
>  
>  /**
>   * __test_and_set_bit - Set a bit and return its old value
> 
-
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