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

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Date:	Thu, 16 Feb 2012 16:24:36 +0100
From:	Michael Opdenacker <michael.opdenacker@...e-electrons.com>
To:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.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

Hi Jean-Christophe,

On 02/16/2012 04:09 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> 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
Oooops. Well spotted. You no longer see the obviously stupid stuff in
your own code.

I'll send an update soon.

Thanks!

Michael.

-- 
Michael Opdenacker, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
+33 484 253 396

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