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

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Message-ID: <478F9F4C.2090302@free-electrons.com>
Date:	Thu, 17 Jan 2008 19:32:44 +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

On 01/17/2008 06:13 PM, Matt Mackall wrote:
> On Thu, 2008-01-17 at 18:05 +0100, Michael Opdenacker wrote:
>   
>> 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.
>>     
>
> Probably not. However, the above code won't build pcspeaker.o if
> CONFIG_INPUT_PCSPKR = m. In other words, it'll break.
>
>   
Oops, I got it. I will post a fix soon. Thanks!

:-)

Michael.

-- 
Michael Opdenacker, Free Electrons
Free Embedded Linux Training Materials
on http://free-electrons.com/training
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