linux-kernel - Re: linux-next: build warning after merge of the Linus' tree

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Date:	Sun, 26 Dec 2010 19:49:13 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
CC:	Linus <torvalds@...ux-foundation.org>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, Wu Zhangjin <wuzhangjin@...il.com>,
	Zhang Le <r0bertz@...too.org>, Chen Jie <chenj@...ote.com>
Subject: Re: linux-next: build warning after merge of the Linus' tree

On 12/26/2010 05:58 PM, Stephen Rothwell wrote:
> Hi all,
>
> After merging the Linus' tree, today's linux-next build (x86_64 allmodconfig)
> produced these warnings:
>
> drivers/ata/pata_cs5536.c:47:1: warning: "rdmsr" redefined
> In file included from arch/x86/include/asm/irqflags.h:60,
>                   from include/linux/irqflags.h:15,
>                   from arch/x86/include/asm/system.h:11,
>                   from arch/x86/include/asm/processor.h:17,
>                   from include/linux/prefetch.h:14,
>                   from include/linux/list.h:7,
>                   from include/linux/module.h:9,
>                   from drivers/ata/pata_cs5536.c:33:
> arch/x86/include/asm/paravirt.h:146:1: warning: this is the location of the previous definition
> drivers/ata/pata_cs5536.c:48:1: warning: "wrmsr" redefined
> arch/x86/include/asm/paravirt.h:154:1: warning: this is the location of the previous definition
>
> Caused by commit 9272dcc232b84ccb027d6861077934055d42764d ("pata_cs5536:
> Add support for non-X86_32 platforms").

Just sent a fix upstream.

The fix is a bit ugly ("#undef rdmsr" etc.), but that driver does not 
need anything more extensive.

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