linux-kernel - Re: [PATCH 1/2] ARM: remove memmove from boot/compressed/string.c

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Message-ID: <20120216150933.GD19779@game.jcrosoft.org>
Date:	Thu, 16 Feb 2012 16:09:33 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Michael Opdenacker <michael.opdenacker@...e-electrons.com>
Cc:	linux@....linux.org.uk, nicolas.pitre@...aro.org, tony@...mide.com,
	s.hauer@...gutronix.de, magnus.damm@...il.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: remove memmove from boot/compressed/string.c

On 15:54 Thu 16 Feb     , Michael Opdenacker wrote:
> This patch removes the memmove function from boot/compressed/string.c
> - This definition conflicts with the one in lib/decompress_unxz.c
>   This change is required to support xz compression on ARM.
> - memmove is not used in any of the other decompressors
>   in lib/decompress_*.c
> 
> Signed-off-by: Michael Opdenacker <michael.opdenacker@...e-electrons.com>
> ---
>  arch/arm/boot/compressed/string.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/compressed/string.c b/arch/arm/boot/compressed/string.c
> index 36e53ef..369443a 100644
> --- a/arch/arm/boot/compressed/string.c
> +++ b/arch/arm/boot/compressed/string.c
> @@ -40,6 +40,7 @@ void *memcpy(void *__dest, __const void *__src, size_t __n)
>  	return __dest;
>  }
>  
> +/*
>  void *memmove(void *__dest, __const void *__src, size_t count)
>  {
>  	unsigned char *d = __dest;
> @@ -55,6 +56,7 @@ void *memmove(void *__dest, __const void *__src, size_t count)
>  		d[count] = s[count];
>  	return __dest;
>  }
> +*/
so why not drop it cleanly

Best Regards,
J.
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