linux-kernel - Re: [PATCH v2] arch: tile: include: asm: add cmpxchg64() definition

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Date:	Thu, 18 Jul 2013 08:02:04 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Chris Metcalf <cmetcalf@...era.com>
CC:	Ralf Baechle <ralf@...ux-mips.org>,
	Jörn Engel <joern@...fs.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: Re: [PATCH v2] arch: tile: include: asm: add cmpxchg64() definition

On 07/18/2013 12:46 AM, Chris Metcalf wrote:
> On 6/30/2013 10:21 PM, Chen Gang wrote:
>> Need add cmpxchg64(), or will cause compiling issue.
>>
>> Need define it as cmpxchg() only for 64-bit operation, since cmpxchg()
>> can support 8 bytes.
>>
>> The related error (with allmodconfig):
>>
>>   drivers/block/blockconsole.c: In function ‘bcon_advance_console_bytes’:
>>   drivers/block/blockconsole.c:164:2: error: implicit declaration of function ‘cmpxchg64’ [-Werror=implicit-function-declaration]
>>
>> Signed-off-by: Chen Gang <gang.chen@...anux.com>
> 
> Thanks, taken into the tile tree.
> 

Thank you too.

:-)

-- 
Chen Gang
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