linux-kernel - Re: [PATCH -next] x86: apic_flat

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Message-ID: <4DDAA8F8.90605@gmail.com>
Date:	Mon, 23 May 2011 22:35:36 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>, x86@...nel.org,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: Re: [PATCH -next] x86: apic_flat_64.c needs module.h

On 05/23/2011 10:12 PM, Randy Dunlap wrote:
> On 05/23/11 11:09, Cyrill Gorcunov wrote:
>> On 05/23/2011 09:51 PM, Cyrill Gorcunov wrote:
>>> On 05/23/2011 09:43 PM, Randy Dunlap wrote:
>>>> From: Randy Dunlap <randy.dunlap@...cle.com>
>>>>
>>>> apic_flat_64.c needs to include module.h to fix these warnings:
>>>>
>>>> arch/x86/kernel/apic/apic_flat_64.c:31: warning: data definition has no type or storage class
>>>> arch/x86/kernel/apic/apic_flat_64.c:31: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
>>>> arch/x86/kernel/apic/apic_flat_64.c:31: warning: parameter names (without types) in function declaration
>>>>
>>>> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
>>>> ---
>>>>  arch/x86/kernel/apic/apic_flat_64.c |    1 +
>>>>  1 file changed, 1 insertion(+)
>>>>
>>>> --- linux-next-20110523.orig/arch/x86/kernel/apic/apic_flat_64.c
>>>> +++ linux-next-20110523/arch/x86/kernel/apic/apic_flat_64.c
>>>> @@ -16,6 +16,7 @@
>>>>  #include <linux/ctype.h>
>>>>  #include <linux/init.h>
>>>>  #include <linux/hardirq.h>
>>>> +#include <linux/module.h>
>>>>  #include <asm/smp.h>
>>>>  #include <asm/apic.h>
>>>>  #include <asm/ipi.h>
>>>
>>> Thanks Randy! For some reason I didn't hit this problem while
>>> were compiling the kernel and testing it (I usually do not use
>>> modules though).
>>>
>>> I've CC'ed Ingo and Suresh.
>>>
>>
>> Randy, while adding module.h here is correct I fail to see why I didn't
>> hit this problem before, could you please post your config?
> 
> Certainly, it's attached.  It's a randconfig file.
> I saw this build error on roughly 5 out of 15 randconfig builds.
> 
> CONFIG_SMP is disabled...
> 
> 
> Thanks.
> 
> 

  CONFIG_SMP seems to be the point, unweaving headers deps backward is not
that convenient task, probably there is kinda automation tools exist? I
have a gut feeling I saw something but can't remember where exactly ;)

-- 
    Cyrill
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