linux-kernel - Re: [PATCH] Make LIST

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Message-ID: <48327880.70104@qumranet.com>
Date:	Tue, 20 May 2008 10:06:40 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	Ingo Molnar <mingo@...e.hu>, Andrew Morton <akpm@...l.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Make LIST_POISON less deadly

Sam Ravnborg wrote:
>> Any idea how to override a value in Kconfig?  We can do it for bool 
>> values but not strings.
>>
>> e.g.
>>
>> lib/Kconfig:
>>  config ILLEGAL_POINTER_VALUE
>>      hex
>>      default 0
>>
>> arch/x86/Kconfig:
>>  config X86
>>    select ILLEGAL_POINTER_VALUE=0x80000000000000000000000000 if X86_64
>>
>> ?
>>
>> I could do it with a boolean signifying existence and a hex for the 
>> value, but I'd rather not.
>>     
>
> Sorry - no help here. I have not tried to work that much with int in
> Kconfig.
>
>   

I found some workaround (define the variable only on archs that want it, 
use #ifdef to check).

> That said I really think stuff like this belongs in a header file.
> I do not agree to hide this as part of the configuration.
>   

While I agree with you, I defer to Ingo on this.

-- 
error compiling committee.c: too many arguments to function

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