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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <201304191412.54601.arnd@arndb.de>
Date:	Fri, 19 Apr 2013 14:12:54 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Tony Lindgren <tony@...mide.com>,
	"olof@...om.net" <olof@...om.net>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Suggestion] ARM64: kernel: compiling issue, need implement cmpxchg64 with assembler language.

On Friday 19 April 2013, Chen Gang wrote:
> 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.

cmpxchg64 is the same as cmpxchg on 64-bit platforms, can't the
driver be changed to use the latter?

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/