linux-kernel - [Suggestion] ARM64: kernel: compiling issue, need implement cmpxchg64 with assembler language.

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Date:	Fri, 19 Apr 2013 19:45:34 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Tony Lindgren <tony@...mide.com>,
	"olof@...om.net" <olof@...om.net>,
	Santosh Shilimkar <santosh.shilimkar@...com>
CC:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [Suggestion] ARM64: kernel: compiling issue, need implement cmpxchg64
 with assembler language.


in arch/arm64/include/asm, not define the function cmpxchg64

  when compiling with allmodconfig,
    drivers/block/blockconsole.c will need this function.

  I am not quite familiar with ARM64 (neither ARM64 assembler)

  can any member helps to send related patch ?
    if no one have time to send related patch, I should try.
    and I am glad to try, but need additional time resources,
    if I try, I should finish it within this month (2013-4-30).

  welcome any suggestions or completions.

  thanks.


gchen.
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