linux-kernel - Re: [PATCH] x86: fix unconditional arch/x86/kernel/pcspeaker.c compiling

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Message-ID: <478F8AEC.1080209@free-electrons.com>
Date:	Thu, 17 Jan 2008 18:05:48 +0100
From:	Michael Opdenacker <michael-lists@...e-electrons.com>
To:	Matt Mackall <mpm@...enic.com>
CC:	linux-kernel@...r.kernel.org, Linux-tiny@...enic.com,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] x86: fix unconditional arch/x86/kernel/pcspeaker.c	compiling

Hi Matt,

Thanks for your feedback!

On 01/17/2008 05:36 PM, Matt Mackall wrote:
> On Thu, 2008-01-17 at 16:43 +0100, Michael Opdenacker wrote:
>   
>> diff -Naur linux-2.6.24-rc8-git1/arch/x86/kernel/Makefile_32 linux-2.6.24-rc8-git1-nopcspeaker/arch/x86/kernel/Makefile_32
>> --- linux-2.6.24-rc8-git1/arch/x86/kernel/Makefile_32	2008-01-17 09:48:58.000000000 +0100
>> +++ linux-2.6.24-rc8-git1-nopcspeaker/arch/x86/kernel/Makefile_32	2008-01-17 10:06:56.000000000 +0100
>> @@ -45,10 +45,13 @@
>>  
>>  obj-$(CONFIG_VMI)		+= vmi_32.o vmiclock_32.o
>>  obj-$(CONFIG_PARAVIRT)		+= paravirt_32.o
>> -obj-y				+= pcspeaker.o
>> -
>>  obj-$(CONFIG_SCx200)		+= scx200_32.o
>>  
>> +ifeq ($(CONFIG_INPUT_PCSPKR),y)
>> +	obj-y			+= pcspeaker.o
>> +endif
>>     
>
> I'm not sure this does what you want. What if CONFIG_INPUT_PCSPKR = m?
>   
Does it make sense to compile arch/x86/kernel/pcspeaker.c as a module?
It defines no init and exit functions, and it defines an initcall, which
only makes sense at boot time.

That's why I didn't use
obj-$(CONFIG_INPUT_PCSPKR)+=pcspeaker.o

Michael.

-- 
Michael Opdenacker, Free Electrons
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