linux-kernel - Re: [PATCH] include/linux/posix_acl.h: need 'return NULL' when BUG(), if neither CONFIG_BUG nor HAVE_ARCH

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Date:	Tue, 21 May 2013 09:51:57 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
CC:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"kgene.kim@...sung.com" <kgene.kim@...sung.com>,
	Ben Dooks <ben@...ff.org>
Subject: Re: [PATCH] include/linux/posix_acl.h: need 'return NULL' when BUG(),
 if neither CONFIG_BUG nor HAVE_ARCH_BUG is defined.

On 05/21/2013 12:31 AM, Russell King - ARM Linux wrote:
> On Mon, May 20, 2013 at 07:40:24AM -0700, Eric W. Biederman wrote:
>> Seriously?  The correct fix it would seem is to give a useful default BUG
>> definition.  Say *NULL.
> 
> Absolutely.
> 
> The real question is... how is this happening.  I've seen it occasionally
> in the randconfig builds - though I don't have any logs to hand which
> show that in the build system at the moment.  So, looking at the files:
> 

Maybe it is my fault for the incorrect configuration.

My operation:
  make EXTRA_CFLAGS=-W ARCH=arm randconfig
  make EXTRA_CFLAGS=-W ARCH=arm menuconfig
    set 'arm-linux-gnu-' as cross compiler prefix.
    select "MMU-based Paged Memory" in "System Type".
    select "Samsung S5PV210/S5PC110" in "ARM System type"
  make EXTRA_CFLAGS=-W ARCH=arm
  ...

In menuconfig, I do not touch the "S5PV210 Machines" or "S5PC110
Machines" in "System Type", and no machines will be chosen as default.

I think, it may be my fault, or need provide a default machine for S5P*
with randconfig (also better to select MMU automatically).


Thanks.
-- 
Chen Gang

Asianux Corporation
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